mirror of
https://github.com/git/git.git
synced 2024-11-28 12:34:08 +08:00
e6434f8760
This allows connections to be used more efficiently and not require users to run 'git-svn migrate --minimize' for new repositories. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2860 lines
78 KiB
Perl
Executable File
2860 lines
78 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
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# License: GPL v2 or later
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use warnings;
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use strict;
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use vars qw/ $AUTHOR $VERSION
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$SVN_URL
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$GIT_SVN_INDEX $GIT_SVN
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$GIT_DIR $GIT_SVN_DIR $REVDB
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$_follow_parent $sha1 $sha1_short $_revision
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$_cp_remote $_upgrade $_rmdir $_q $_cp_similarity
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$_find_copies_harder $_l $_authors %users/;
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$AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
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$VERSION = '@@GIT_VERSION@@';
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$ENV{GIT_DIR} ||= '.git';
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$Git::SVN::default_repo_id = 'git-svn';
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$Git::SVN::default_ref_id = $ENV{GIT_SVN_ID} || 'git-svn';
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my $LC_ALL = $ENV{LC_ALL};
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$Git::SVN::Log::TZ = $ENV{TZ};
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# make sure the svn binary gives consistent output between locales and TZs:
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$ENV{TZ} = 'UTC';
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$ENV{LC_ALL} = 'C';
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$| = 1; # unbuffer STDOUT
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sub fatal (@) { print STDERR @_; exit 1 }
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require SVN::Core; # use()-ing this causes segfaults for me... *shrug*
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require SVN::Ra;
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require SVN::Delta;
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if ($SVN::Core::VERSION lt '1.1.0') {
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fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)\n";
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}
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push @Git::SVN::Ra::ISA, 'SVN::Ra';
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push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor';
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push @SVN::Git::Fetcher::ISA, 'SVN::Delta::Editor';
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use Carp qw/croak/;
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use IO::File qw//;
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use File::Basename qw/dirname basename/;
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use File::Path qw/mkpath/;
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use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev pass_through/;
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use IPC::Open3;
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use Git;
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BEGIN {
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my $s;
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foreach (qw/command command_oneline command_noisy command_output_pipe
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command_input_pipe command_close_pipe/) {
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$s .= "*SVN::Git::Editor::$_ = *SVN::Git::Fetcher::$_ = ".
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"*Git::SVN::Migration::$_ = ".
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"*Git::SVN::Log::$_ = *Git::SVN::$_ = *$_ = *Git::$_; ";
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}
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eval $s;
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}
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my ($SVN);
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my $_optimize_commits = 1 unless $ENV{GIT_SVN_NO_OPTIMIZE_COMMITS};
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$sha1 = qr/[a-f\d]{40}/;
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$sha1_short = qr/[a-f\d]{4,40}/;
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my ($_stdin, $_help, $_edit,
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$_repack, $_repack_nr, $_repack_flags,
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$_message, $_file, $_no_metadata,
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$_template, $_shared,
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$_version, $_upgrade,
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$_merge, $_strategy, $_dry_run,
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$_prefix);
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my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
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'config-dir=s' => \$Git::SVN::Ra::config_dir,
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'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache );
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my %fc_opts = ( 'follow-parent|follow' => \$_follow_parent,
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'authors-file|A=s' => \$_authors,
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'repack:i' => \$_repack,
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'no-metadata' => \$_no_metadata,
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'quiet|q' => \$_q,
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'repack-flags|repack-args|repack-opts=s' => \$_repack_flags,
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%remote_opts );
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my ($_trunk, $_tags, $_branches);
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my %multi_opts = ( 'trunk|T=s' => \$_trunk,
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'tags|t=s' => \$_tags,
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'branches|b=s' => \$_branches );
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my %init_opts = ( 'template=s' => \$_template, 'shared' => \$_shared );
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my %cmt_opts = ( 'edit|e' => \$_edit,
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'rmdir' => \$_rmdir,
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'find-copies-harder' => \$_find_copies_harder,
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'l=i' => \$_l,
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'copy-similarity|C=i'=> \$_cp_similarity
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);
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my %cmd = (
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fetch => [ \&cmd_fetch, "Download new revisions from SVN",
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{ 'revision|r=s' => \$_revision, %fc_opts } ],
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init => [ \&cmd_init, "Initialize a repo for tracking" .
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" (requires URL argument)",
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\%init_opts ],
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dcommit => [ \&cmd_dcommit,
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'Commit several diffs to merge with upstream',
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{ 'merge|m|M' => \$_merge,
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'strategy|s=s' => \$_strategy,
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'dry-run|n' => \$_dry_run,
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%cmt_opts, %fc_opts } ],
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'set-tree' => [ \&cmd_set_tree,
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"Set an SVN repository to a git tree-ish",
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{ 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ],
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'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings",
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{ 'revision|r=i' => \$_revision } ],
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rebuild => [ \&cmd_rebuild, "Rebuild git-svn metadata (after git clone)",
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{ 'copy-remote|remote=s' => \$_cp_remote,
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'upgrade' => \$_upgrade } ],
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'multi-init' => [ \&cmd_multi_init,
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'Initialize multiple trees (like git-svnimport)',
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{ %multi_opts, %init_opts, %remote_opts,
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'revision|r=i' => \$_revision,
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'prefix=s' => \$_prefix,
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} ],
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'multi-fetch' => [ \&cmd_multi_fetch,
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'Fetch multiple trees (like git-svnimport)',
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\%fc_opts ],
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'migrate' => [ sub { },
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# no-op, we automatically run this anyways,
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'Migrate configuration/metadata/layout from
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previous versions of git-svn',
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\%remote_opts ],
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'log' => [ \&Git::SVN::Log::cmd_show_log, 'Show commit logs',
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{ 'limit=i' => \$Git::SVN::Log::limit,
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'revision|r=s' => \$_revision,
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'verbose|v' => \$Git::SVN::Log::verbose,
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'incremental' => \$Git::SVN::Log::incremental,
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'oneline' => \$Git::SVN::Log::oneline,
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'show-commit' => \$Git::SVN::Log::show_commit,
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'non-recursive' => \$Git::SVN::Log::non_recursive,
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'authors-file|A=s' => \$_authors,
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'color' => \$Git::SVN::Log::color,
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'pager=s' => \$Git::SVN::Log::pager,
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} ],
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'commit-diff' => [ \&cmd_commit_diff,
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'Commit a diff between two trees',
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{ 'message|m=s' => \$_message,
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'file|F=s' => \$_file,
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'revision|r=s' => \$_revision,
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%cmt_opts } ],
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);
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my $cmd;
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for (my $i = 0; $i < @ARGV; $i++) {
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if (defined $cmd{$ARGV[$i]}) {
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$cmd = $ARGV[$i];
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splice @ARGV, $i, 1;
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last;
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}
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};
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my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
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read_repo_config(\%opts);
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my $rv = GetOptions(%opts, 'help|H|h' => \$_help,
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'version|V' => \$_version,
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'minimize-connections' =>
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\$Git::SVN::Migration::_minimize,
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'id|i=s' => \$Git::SVN::default_ref_id);
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exit 1 if (!$rv && $cmd ne 'log');
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usage(0) if $_help;
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version() if $_version;
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usage(1) unless defined $cmd;
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load_authors() if $_authors;
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unless ($cmd =~ /^(?:init|rebuild|multi-init|commit-diff)$/) {
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Git::SVN::Migration::migration_check();
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}
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eval {
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Git::SVN::verify_remotes_sanity();
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$cmd{$cmd}->[0]->(@ARGV);
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};
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fatal $@ if $@;
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exit 0;
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####################### primary functions ######################
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sub usage {
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my $exit = shift || 0;
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my $fd = $exit ? \*STDERR : \*STDOUT;
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print $fd <<"";
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git-svn - bidirectional operations between a single Subversion tree and git
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Usage: $0 <command> [options] [arguments]\n
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print $fd "Available commands:\n" unless $cmd;
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foreach (sort keys %cmd) {
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next if $cmd && $cmd ne $_;
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print $fd ' ',pack('A17',$_),$cmd{$_}->[1],"\n";
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foreach (keys %{$cmd{$_}->[2]}) {
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# prints out arguments as they should be passed:
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my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : '';
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print $fd ' ' x 21, join(', ', map { length $_ > 1 ?
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"--$_" : "-$_" }
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split /\|/,$_)," $x\n";
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}
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}
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print $fd <<"";
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\nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
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arbitrary identifier if you're tracking multiple SVN branches/repositories in
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one git repository and want to keep them separate. See git-svn(1) for more
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information.
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exit $exit;
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}
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sub version {
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print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n";
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exit 0;
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}
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sub cmd_rebuild {
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my $url = shift;
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my $gs = $url ? Git::SVN->init($url)
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: eval { Git::SVN->new };
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$gs ||= Git::SVN->_new;
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if (!verify_ref($gs->refname.'^0')) {
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$gs->copy_remote_ref;
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}
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my ($rev_list, $ctx) = command_output_pipe("rev-list", $gs->refname);
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my $latest;
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my $svn_uuid;
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while (<$rev_list>) {
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chomp;
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my $c = $_;
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fatal "Non-SHA1: $c\n" unless $c =~ /^$sha1$/o;
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my ($url, $rev, $uuid) = cmt_metadata($c);
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# ignore merges (from set-tree)
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next if (!defined $rev || !$uuid);
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# if we merged or otherwise started elsewhere, this is
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# how we break out of it
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if ((defined $svn_uuid && ($uuid ne $svn_uuid)) ||
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($gs->{url} && $url && ($url ne $gs->{url}))) {
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next;
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}
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unless (defined $latest) {
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if (!$gs->{url} && !$url) {
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fatal "SVN repository location required\n";
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}
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$gs = Git::SVN->init($url);
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$latest = $rev;
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}
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$gs->rev_db_set($rev, $c);
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print "r$rev = $c\n";
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}
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command_close_pipe($rev_list, $ctx);
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}
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sub do_git_init_db {
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unless (-d $ENV{GIT_DIR}) {
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my @init_db = ('init');
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push @init_db, "--template=$_template" if defined $_template;
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push @init_db, "--shared" if defined $_shared;
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command_noisy(@init_db);
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}
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}
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sub cmd_init {
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my $url = shift or die "SVN repository location required " .
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"as a command-line argument\n";
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if (my $repo_path = shift) {
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unless (-d $repo_path) {
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mkpath([$repo_path]);
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}
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chdir $repo_path or croak $!;
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$ENV{GIT_DIR} = $repo_path . "/.git";
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}
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do_git_init_db();
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Git::SVN->init($url);
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}
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sub cmd_fetch {
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if (@_) {
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die "Additional fetch arguments are no longer supported.\n",
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"Use --follow-parent if you have moved/copied directories
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instead.\n";
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}
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my $gs = Git::SVN->new;
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$gs->fetch;
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if ($gs->{last_commit} && !verify_ref('refs/heads/master^0')) {
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command_noisy(qw(update-ref refs/heads/master),
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$gs->{last_commit});
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}
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}
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sub cmd_set_tree {
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my (@commits) = @_;
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if ($_stdin || !@commits) {
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print "Reading from stdin...\n";
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@commits = ();
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while (<STDIN>) {
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if (/\b($sha1_short)\b/o) {
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unshift @commits, $1;
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}
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}
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}
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my @revs;
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foreach my $c (@commits) {
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my @tmp = command('rev-parse',$c);
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if (scalar @tmp == 1) {
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push @revs, $tmp[0];
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} elsif (scalar @tmp > 1) {
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push @revs, reverse(command('rev-list',@tmp));
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} else {
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fatal "Failed to rev-parse $c\n";
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}
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}
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my $gs = Git::SVN->new;
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my ($r_last, $cmt_last) = $gs->last_rev_commit;
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$gs->fetch;
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if ($r_last != $gs->{last_rev}) {
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fatal "There are new revisions that were fetched ",
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"and need to be merged (or acknowledged) ",
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"before committing.\nlast rev: $r_last\n",
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" current: $gs->{last_rev}\n";
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}
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$gs->set_tree($_) foreach @revs;
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print "Done committing ",scalar @revs," revisions to SVN\n";
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}
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sub cmd_dcommit {
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my $head = shift;
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my $gs = Git::SVN->new;
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$head ||= 'HEAD';
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my @refs = command(qw/rev-list --no-merges/, $gs->refname."..$head");
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my $last_rev;
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foreach my $d (reverse @refs) {
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if (!verify_ref("$d~1")) {
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fatal "Commit $d\n",
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"has no parent commit, and therefore ",
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"nothing to diff against.\n",
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"You should be working from a repository ",
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"originally created by git-svn\n";
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}
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unless (defined $last_rev) {
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(undef, $last_rev, undef) = cmt_metadata("$d~1");
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unless (defined $last_rev) {
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fatal "Unable to extract revision information ",
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"from commit $d~1\n";
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}
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}
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if ($_dry_run) {
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print "diff-tree $d~1 $d\n";
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} else {
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my $log = get_commit_entry($d)->{log};
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my $ra = $gs->ra;
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my $pool = SVN::Pool->new;
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my %ed_opts = ( r => $last_rev,
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ra => $ra->dup,
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svn_path => $ra->{svn_path} );
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my $ed = SVN::Git::Editor->new(\%ed_opts,
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$ra->get_commit_editor($log,
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sub { print "Committed r$_[0]\n";
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$last_rev = $_[0]; }),
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$pool);
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my $mods = $ed->apply_diff("$d~1", $d);
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if (@$mods == 0) {
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print "No changes\n$d~1 == $d\n";
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}
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}
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}
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return if $_dry_run;
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$gs->fetch;
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# we always want to rebase against the current HEAD, not any
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# head that was passed to us
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my @diff = command('diff-tree', 'HEAD', $gs->refname, '--');
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my @finish;
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if (@diff) {
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@finish = qw/rebase/;
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push @finish, qw/--merge/ if $_merge;
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push @finish, "--strategy=$_strategy" if $_strategy;
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print STDERR "W: HEAD and ", $gs->refname, " differ, ",
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"using @finish:\n", "@diff";
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} else {
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print "No changes between current HEAD and ",
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$gs->refname, "\nResetting to the latest ",
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$gs->refname, "\n";
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@finish = qw/reset --mixed/;
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}
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command_noisy(@finish, $gs->refname);
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}
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sub cmd_show_ignore {
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my $gs = Git::SVN->new;
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my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
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$gs->traverse_ignore(\*STDOUT, '', $r);
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}
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sub cmd_multi_init {
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my $url = shift;
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unless (defined $_trunk || defined $_branches || defined $_tags) {
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usage(1);
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}
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do_git_init_db();
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$_prefix = '' unless defined $_prefix;
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$url =~ s#/+$## if defined $url;
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if (defined $_trunk) {
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my $trunk_ref = $_prefix . 'trunk';
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# try both old-style and new-style lookups:
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my $gs_trunk = eval { Git::SVN->new($trunk_ref) };
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unless ($gs_trunk) {
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my ($trunk_url, $trunk_path) =
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complete_svn_url($url, $_trunk);
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$gs_trunk = Git::SVN->init($trunk_url, $trunk_path,
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undef, $trunk_ref);
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}
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}
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return unless defined $_branches || defined $_tags;
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my $ra = $url ? Git::SVN::Ra->new($url) : undef;
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complete_url_ls_init($ra, $_branches, '--branches/-b', $_prefix);
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complete_url_ls_init($ra, $_tags, '--tags/-t', $_prefix . 'tags/');
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}
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sub cmd_multi_fetch {
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my @gs;
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foreach (command(qw/config -l/)) {
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next unless m!^svn-remote\.(.+)\.fetch=
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\s*(.*)\s*:\s*refs/remotes/(.+)\s*$!x;
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my ($repo_id, $path, $ref_id) = ($1, $2, $3);
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push @gs, Git::SVN->new($ref_id, $repo_id, $path);
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}
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foreach (@gs) {
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$_->fetch;
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}
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}
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# this command is special because it requires no metadata
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sub cmd_commit_diff {
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my ($ta, $tb, $url) = @_;
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my $usage = "Usage: $0 commit-diff -r<revision> ".
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"<tree-ish> <tree-ish> [<URL>]\n";
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fatal($usage) if (!defined $ta || !defined $tb);
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if (!defined $url) {
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my $gs = eval { Git::SVN->new };
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if (!$gs) {
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fatal("Needed URL or usable git-svn --id in ",
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"the command-line\n", $usage);
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}
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$url = $gs->{url};
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}
|
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unless (defined $_revision) {
|
|
fatal("-r|--revision is a required argument\n", $usage);
|
|
}
|
|
if (defined $_message && defined $_file) {
|
|
fatal("Both --message/-m and --file/-F specified ",
|
|
"for the commit message.\n",
|
|
"I have no idea what you mean\n");
|
|
}
|
|
if (defined $_file) {
|
|
$_message = file_to_s($_file);
|
|
} else {
|
|
$_message ||= get_commit_entry($tb)->{log};
|
|
}
|
|
my $ra ||= Git::SVN::Ra->new($url);
|
|
my $r = $_revision;
|
|
if ($r eq 'HEAD') {
|
|
$r = $ra->get_latest_revnum;
|
|
} elsif ($r !~ /^\d+$/) {
|
|
die "revision argument: $r not understood by git-svn\n";
|
|
}
|
|
my $pool = SVN::Pool->new;
|
|
my %ed_opts = ( r => $r,
|
|
ra => $ra->dup,
|
|
svn_path => $ra->{svn_path} );
|
|
my $ed = SVN::Git::Editor->new(\%ed_opts,
|
|
$ra->get_commit_editor($_message,
|
|
sub { print "Committed r$_[0]\n" }),
|
|
$pool);
|
|
my $mods = $ed->apply_diff($ta, $tb);
|
|
if (@$mods == 0) {
|
|
print "No changes\n$ta == $tb\n";
|
|
}
|
|
$pool->clear;
|
|
}
|
|
|
|
########################### utility functions #########################
|
|
|
|
sub complete_svn_url {
|
|
my ($url, $path) = @_;
|
|
$path =~ s#/+$##;
|
|
if ($path !~ m#^[a-z\+]+://#) {
|
|
if (!defined $url || $url !~ m#^[a-z\+]+://#) {
|
|
fatal("E: '$path' is not a complete URL ",
|
|
"and a separate URL is not specified\n");
|
|
}
|
|
return ($url, $path);
|
|
}
|
|
return ($path, '');
|
|
}
|
|
|
|
sub complete_url_ls_init {
|
|
my ($ra, $repo_path, $switch, $pfx) = @_;
|
|
unless ($repo_path) {
|
|
print STDERR "W: $switch not specified\n";
|
|
return;
|
|
}
|
|
$repo_path =~ s#/+$##;
|
|
if ($repo_path =~ m#^[a-z\+]+://#) {
|
|
$ra = Git::SVN::Ra->new($repo_path);
|
|
$repo_path = '';
|
|
} else {
|
|
$repo_path =~ s#^/+##;
|
|
unless ($ra) {
|
|
fatal("E: '$repo_path' is not a complete URL ",
|
|
"and a separate URL is not specified\n");
|
|
}
|
|
}
|
|
my $r = defined $_revision ? $_revision : $ra->get_latest_revnum;
|
|
my ($dirent, undef, undef) = $ra->get_dir($repo_path, $r);
|
|
my $url = $ra->{url};
|
|
foreach my $d (sort keys %$dirent) {
|
|
next if ($dirent->{$d}->kind != $SVN::Node::dir);
|
|
my $path = "$repo_path/$d";
|
|
my $ref = "$pfx$d";
|
|
my $gs = eval { Git::SVN->new($ref) };
|
|
# don't try to init already existing refs
|
|
unless ($gs) {
|
|
print "init $url/$path => $ref\n";
|
|
Git::SVN->init($url, $path, undef, $ref);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub verify_ref {
|
|
my ($ref) = @_;
|
|
eval { command_oneline([ 'rev-parse', '--verify', $ref ],
|
|
{ STDERR => 0 }); };
|
|
}
|
|
|
|
sub get_tree_from_treeish {
|
|
my ($treeish) = @_;
|
|
# $treeish can be a symbolic ref, too:
|
|
my $type = command_oneline(qw/cat-file -t/, $treeish);
|
|
my $expected;
|
|
while ($type eq 'tag') {
|
|
($treeish, $type) = command(qw/cat-file tag/, $treeish);
|
|
}
|
|
if ($type eq 'commit') {
|
|
$expected = (grep /^tree /, command(qw/cat-file commit/,
|
|
$treeish))[0];
|
|
($expected) = ($expected =~ /^tree ($sha1)$/o);
|
|
die "Unable to get tree from $treeish\n" unless $expected;
|
|
} elsif ($type eq 'tree') {
|
|
$expected = $treeish;
|
|
} else {
|
|
die "$treeish is a $type, expected tree, tag or commit\n";
|
|
}
|
|
return $expected;
|
|
}
|
|
|
|
sub get_commit_entry {
|
|
my ($treeish) = shift;
|
|
my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) );
|
|
my $commit_editmsg = "$ENV{GIT_DIR}/COMMIT_EDITMSG";
|
|
my $commit_msg = "$ENV{GIT_DIR}/COMMIT_MSG";
|
|
open my $log_fh, '>', $commit_editmsg or croak $!;
|
|
|
|
my $type = command_oneline(qw/cat-file -t/, $treeish);
|
|
if ($type eq 'commit' || $type eq 'tag') {
|
|
my ($msg_fh, $ctx) = command_output_pipe('cat-file',
|
|
$type, $treeish);
|
|
my $in_msg = 0;
|
|
while (<$msg_fh>) {
|
|
if (!$in_msg) {
|
|
$in_msg = 1 if (/^\s*$/);
|
|
} elsif (/^git-svn-id: /) {
|
|
# skip this for now, we regenerate the
|
|
# correct one on re-fetch anyways
|
|
# TODO: set *:merge properties or like...
|
|
} else {
|
|
print $log_fh $_ or croak $!;
|
|
}
|
|
}
|
|
command_close_pipe($msg_fh, $ctx);
|
|
}
|
|
close $log_fh or croak $!;
|
|
|
|
if ($_edit || ($type eq 'tree')) {
|
|
my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi';
|
|
# TODO: strip out spaces, comments, like git-commit.sh
|
|
system($editor, $commit_editmsg);
|
|
}
|
|
rename $commit_editmsg, $commit_msg or croak $!;
|
|
open $log_fh, '<', $commit_msg or croak $!;
|
|
{ local $/; chomp($log_entry{log} = <$log_fh>); }
|
|
close $log_fh or croak $!;
|
|
unlink $commit_msg;
|
|
\%log_entry;
|
|
}
|
|
|
|
sub s_to_file {
|
|
my ($str, $file, $mode) = @_;
|
|
open my $fd,'>',$file or croak $!;
|
|
print $fd $str,"\n" or croak $!;
|
|
close $fd or croak $!;
|
|
chmod ($mode &~ umask, $file) if (defined $mode);
|
|
}
|
|
|
|
sub file_to_s {
|
|
my $file = shift;
|
|
open my $fd,'<',$file or croak "$!: file: $file\n";
|
|
local $/;
|
|
my $ret = <$fd>;
|
|
close $fd or croak $!;
|
|
$ret =~ s/\s*$//s;
|
|
return $ret;
|
|
}
|
|
|
|
# '<svn username> = real-name <email address>' mapping based on git-svnimport:
|
|
sub load_authors {
|
|
open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
|
|
my $log = $cmd eq 'log';
|
|
while (<$authors>) {
|
|
chomp;
|
|
next unless /^(\S+?|\(no author\))\s*=\s*(.+?)\s*<(.+)>\s*$/;
|
|
my ($user, $name, $email) = ($1, $2, $3);
|
|
if ($log) {
|
|
$Git::SVN::Log::rusers{"$name <$email>"} = $user;
|
|
} else {
|
|
$users{$user} = [$name, $email];
|
|
}
|
|
}
|
|
close $authors or croak $!;
|
|
}
|
|
|
|
# convert GetOpt::Long specs for use by git-config
|
|
sub read_repo_config {
|
|
return unless -d $ENV{GIT_DIR};
|
|
my $opts = shift;
|
|
foreach my $o (keys %$opts) {
|
|
my $v = $opts->{$o};
|
|
my ($key) = ($o =~ /^([a-z\-]+)/);
|
|
$key =~ s/-//g;
|
|
my $arg = 'git-config';
|
|
$arg .= ' --int' if ($o =~ /[:=]i$/);
|
|
$arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
|
|
if (ref $v eq 'ARRAY') {
|
|
chomp(my @tmp = `$arg --get-all svn.$key`);
|
|
@$v = @tmp if @tmp;
|
|
} else {
|
|
chomp(my $tmp = `$arg --get svn.$key`);
|
|
if ($tmp && !($arg =~ / --bool/ && $tmp eq 'false')) {
|
|
$$v = $tmp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub extract_metadata {
|
|
my $id = shift or return (undef, undef, undef);
|
|
my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+)
|
|
\s([a-f\d\-]+)$/x);
|
|
if (!defined $rev || !$uuid || !$url) {
|
|
# some of the original repositories I made had
|
|
# identifiers like this:
|
|
($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)\@([a-f\d\-]+)/);
|
|
}
|
|
return ($url, $rev, $uuid);
|
|
}
|
|
|
|
sub cmt_metadata {
|
|
return extract_metadata((grep(/^git-svn-id: /,
|
|
command(qw/cat-file commit/, shift)))[-1]);
|
|
}
|
|
|
|
sub get_commit_time {
|
|
my $cmt = shift;
|
|
my $fh = command_output_pipe(qw/rev-list --pretty=raw -n1/, $cmt);
|
|
while (<$fh>) {
|
|
/^committer\s(?:.+) (\d+) ([\-\+]?\d+)$/ or next;
|
|
my ($s, $tz) = ($1, $2);
|
|
if ($tz =~ s/^\+//) {
|
|
$s += tz_to_s_offset($tz);
|
|
} elsif ($tz =~ s/^\-//) {
|
|
$s -= tz_to_s_offset($tz);
|
|
}
|
|
close $fh;
|
|
return $s;
|
|
}
|
|
die "Can't get commit time for commit: $cmt\n";
|
|
}
|
|
|
|
sub tz_to_s_offset {
|
|
my ($tz) = @_;
|
|
$tz =~ s/(\d\d)$//;
|
|
return ($1 * 60) + ($tz * 3600);
|
|
}
|
|
|
|
package Git::SVN;
|
|
use strict;
|
|
use warnings;
|
|
use vars qw/$default_repo_id $default_ref_id/;
|
|
use Carp qw/croak/;
|
|
use File::Path qw/mkpath/;
|
|
use IPC::Open3;
|
|
|
|
# properties that we do not log:
|
|
my %SKIP_PROP;
|
|
BEGIN {
|
|
%SKIP_PROP = map { $_ => 1 } qw/svn:wc:ra_dav:version-url
|
|
svn:special svn:executable
|
|
svn:entry:committed-rev
|
|
svn:entry:last-author
|
|
svn:entry:uuid
|
|
svn:entry:committed-date/;
|
|
}
|
|
|
|
sub read_all_remotes {
|
|
my $r = {};
|
|
foreach (grep { s/^svn-remote\.// } command(qw/config -l/)) {
|
|
if (m!^(.+)\.fetch=\s*(.*)\s*:\s*refs/remotes/(.+)\s*$!) {
|
|
$r->{$1}->{fetch}->{$2} = $3;
|
|
} elsif (m!^(.+)\.url=\s*(.*)\s*$!) {
|
|
$r->{$1}->{url} = $2;
|
|
}
|
|
}
|
|
$r;
|
|
}
|
|
|
|
sub verify_remotes_sanity {
|
|
return unless -d $ENV{GIT_DIR};
|
|
my %seen;
|
|
foreach (command(qw/config -l/)) {
|
|
if (m!^svn-remote\.(?:.+)\.fetch=.*:refs/remotes/(\S+)\s*$!) {
|
|
if ($seen{$1}) {
|
|
die "Remote ref refs/remote/$1 is tracked by",
|
|
"\n \"$_\"\nand\n \"$seen{$1}\"\n",
|
|
"Please resolve this ambiguity in ",
|
|
"your git configuration file before ",
|
|
"continuing\n";
|
|
}
|
|
$seen{$1} = $_;
|
|
}
|
|
}
|
|
}
|
|
|
|
# we allow more chars than remotes2config.sh...
|
|
sub sanitize_remote_name {
|
|
my ($name) = @_;
|
|
$name =~ tr{A-Za-z0-9:,/+-}{.}c;
|
|
$name;
|
|
}
|
|
|
|
sub find_existing_remote {
|
|
my ($url, $remotes) = @_;
|
|
my $existing;
|
|
foreach my $repo_id (keys %$remotes) {
|
|
my $u = $remotes->{$repo_id}->{url} or next;
|
|
next if $u ne $url;
|
|
$existing = $repo_id;
|
|
last;
|
|
}
|
|
$existing;
|
|
}
|
|
|
|
sub init_remote_config {
|
|
my ($self, $url) = @_;
|
|
$url =~ s!/+$!!; # strip trailing slash
|
|
my $r = read_all_remotes();
|
|
my $existing = find_existing_remote($url, $r);
|
|
if ($existing) {
|
|
print STDERR "Using existing ",
|
|
"[svn-remote \"$existing\"]\n";
|
|
$self->{repo_id} = $existing;
|
|
} else {
|
|
my $min_url = Git::SVN::Ra->new($url)->minimize_url;
|
|
$existing = find_existing_remote($min_url, $r);
|
|
if ($existing) {
|
|
print STDERR "Using existing ",
|
|
"[svn-remote \"$existing\"]\n";
|
|
$self->{repo_id} = $existing;
|
|
}
|
|
if ($min_url ne $url) {
|
|
print STDERR "Using higher level of URL: ",
|
|
"$url => $min_url\n";
|
|
my $old_path = $self->{path};
|
|
$self->{path} = $url;
|
|
$self->{path} =~ s!^\Q$min_url\E/*!!;
|
|
if (length $old_path) {
|
|
$self->{path} .= "/$old_path";
|
|
}
|
|
$url = $min_url;
|
|
}
|
|
}
|
|
my $orig_url;
|
|
if (!$existing) {
|
|
# verify that we aren't overwriting anything:
|
|
$orig_url = eval {
|
|
command_oneline('config', '--get',
|
|
"svn-remote.$self->{repo_id}.url")
|
|
};
|
|
if ($orig_url && ($orig_url ne $url)) {
|
|
die "svn-remote.$self->{repo_id}.url already set: ",
|
|
"$orig_url\nwanted to set to: $url\n";
|
|
}
|
|
}
|
|
my ($xrepo_id, $xpath) = find_ref($self->refname);
|
|
if (defined $xpath) {
|
|
die "svn-remote.$xrepo_id.fetch already set to track ",
|
|
"$xpath:refs/remotes/", $self->refname, "\n";
|
|
}
|
|
command_noisy('config',
|
|
"svn-remote.$self->{repo_id}.url", $url);
|
|
command_noisy('config', '--add',
|
|
"svn-remote.$self->{repo_id}.fetch",
|
|
"$self->{path}:".$self->refname);
|
|
$self->{url} = $url;
|
|
}
|
|
|
|
sub init {
|
|
my ($class, $url, $path, $repo_id, $ref_id) = @_;
|
|
my $self = _new($class, $repo_id, $ref_id, $path);
|
|
if (defined $url) {
|
|
$self->init_remote_config($url);
|
|
}
|
|
$self;
|
|
}
|
|
|
|
sub find_ref {
|
|
my ($ref_id) = @_;
|
|
foreach (command(qw/config -l/)) {
|
|
next unless m!^svn-remote\.(.+)\.fetch=
|
|
\s*(.*)\s*:\s*refs/remotes/(.+)\s*$!x;
|
|
my ($repo_id, $path, $ref) = ($1, $2, $3);
|
|
if ($ref eq $ref_id) {
|
|
$path = '' if ($path =~ m#^\./?#);
|
|
return ($repo_id, $path);
|
|
}
|
|
}
|
|
(undef, undef, undef);
|
|
}
|
|
|
|
sub new {
|
|
my ($class, $ref_id, $repo_id, $path) = @_;
|
|
if (defined $ref_id && !defined $repo_id && !defined $path) {
|
|
($repo_id, $path) = find_ref($ref_id);
|
|
if (!defined $repo_id) {
|
|
die "Could not find a \"svn-remote.*.fetch\" key ",
|
|
"in the repository configuration matching: ",
|
|
"refs/remotes/$ref_id\n";
|
|
}
|
|
}
|
|
my $self = _new($class, $repo_id, $ref_id, $path);
|
|
if (!defined $self->{path} || !length $self->{path}) {
|
|
my $fetch = command_oneline('config', '--get',
|
|
"svn-remote.$repo_id.fetch",
|
|
":refs/remotes/$ref_id\$") or
|
|
die "Failed to read \"svn-remote.$repo_id.fetch\" ",
|
|
"\":refs/remotes/$ref_id\$\" in config\n";
|
|
($self->{path}, undef) = split(/\s*:\s*/, $fetch);
|
|
}
|
|
$self->{url} = command_oneline('config', '--get',
|
|
"svn-remote.$repo_id.url") or
|
|
die "Failed to read \"svn-remote.$repo_id.url\" in config\n";
|
|
$self;
|
|
}
|
|
|
|
sub refname { "refs/remotes/$_[0]->{ref_id}" }
|
|
|
|
sub ra {
|
|
my ($self) = shift;
|
|
$self->{ra} ||= Git::SVN::Ra->new($self->{url});
|
|
}
|
|
|
|
sub rel_path {
|
|
my ($self) = @_;
|
|
my $repos_root = $self->ra->{repos_root};
|
|
return $self->{path} if ($self->{url} eq $repos_root);
|
|
my $url = $self->{url} .
|
|
(length $self->{path} ? "/$self->{path}" : $self->{path});
|
|
$url =~ s!^\Q$repos_root\E/*!!g;
|
|
$url;
|
|
}
|
|
|
|
sub copy_remote_ref {
|
|
my ($self) = @_;
|
|
my $origin = $::_cp_remote ? $::_cp_remote : 'origin';
|
|
my $ref = $self->refname;
|
|
if (command('ls-remote', $origin, $ref)) {
|
|
command_noisy('fetch', $origin, "$ref:$ref");
|
|
} elsif ($::_cp_remote && !$::_upgrade) {
|
|
die "Unable to find remote reference: $ref on $origin\n";
|
|
}
|
|
}
|
|
|
|
sub traverse_ignore {
|
|
my ($self, $fh, $path, $r) = @_;
|
|
$path =~ s#^/+##g;
|
|
my ($dirent, undef, $props) = $self->ra->get_dir($path, $r);
|
|
my $p = $path;
|
|
$p =~ s#^\Q$self->{ra}->{svn_path}\E/##;
|
|
print $fh length $p ? "\n# $p\n" : "\n# /\n";
|
|
if (my $s = $props->{'svn:ignore'}) {
|
|
$s =~ s/[\r\n]+/\n/g;
|
|
chomp $s;
|
|
if (length $p == 0) {
|
|
$s =~ s#\n#\n/$p#g;
|
|
print $fh "/$s\n";
|
|
} else {
|
|
$s =~ s#\n#\n/$p/#g;
|
|
print $fh "/$p/$s\n";
|
|
}
|
|
}
|
|
foreach (sort keys %$dirent) {
|
|
next if $dirent->{$_}->kind != $SVN::Node::dir;
|
|
$self->traverse_ignore($fh, "$path/$_", $r);
|
|
}
|
|
}
|
|
|
|
# returns the newest SVN revision number and newest commit SHA1
|
|
sub last_rev_commit {
|
|
my ($self) = @_;
|
|
if (defined $self->{last_rev} && defined $self->{last_commit}) {
|
|
return ($self->{last_rev}, $self->{last_commit});
|
|
}
|
|
my $c = ::verify_ref($self->refname.'^0');
|
|
if ($c) {
|
|
my $rev = (::cmt_metadata($c))[1];
|
|
if (defined $rev) {
|
|
($self->{last_rev}, $self->{last_commit}) = ($rev, $c);
|
|
return ($rev, $c);
|
|
}
|
|
}
|
|
my $offset = -41; # from tail
|
|
my $rl;
|
|
open my $fh, '<', $self->{db_path} or
|
|
croak "$self->{db_path} not readable: $!\n";
|
|
seek $fh, $offset, 2;
|
|
$rl = readline $fh;
|
|
defined $rl or return (undef, undef);
|
|
chomp $rl;
|
|
while ($c ne $rl && tell $fh != 0) {
|
|
$offset -= 41;
|
|
seek $fh, $offset, 2;
|
|
$rl = readline $fh;
|
|
defined $rl or return (undef, undef);
|
|
chomp $rl;
|
|
}
|
|
my $rev = tell $fh;
|
|
croak $! if ($rev < 0);
|
|
$rev = ($rev - 41) / 41;
|
|
close $fh or croak $!;
|
|
($self->{last_rev}, $self->{last_commit}) = ($rev, $c);
|
|
return ($rev, $c);
|
|
}
|
|
|
|
sub parse_revision {
|
|
my ($self, $base) = @_;
|
|
my $head = $self->ra->get_latest_revnum;
|
|
if (!defined $::_revision || $::_revision eq 'BASE:HEAD') {
|
|
return ($base + 1, $head) if (defined $base);
|
|
return (0, $head);
|
|
}
|
|
return ($1, $2) if ($::_revision =~ /^(\d+):(\d+)$/);
|
|
return ($::_revision, $::_revision) if ($::_revision =~ /^\d+$/);
|
|
if ($::_revision =~ /^BASE:(\d+)$/) {
|
|
return ($base + 1, $1) if (defined $base);
|
|
return (0, $head);
|
|
}
|
|
return ($1, $head) if ($::_revision =~ /^(\d+):HEAD$/);
|
|
die "revision argument: $::_revision not understood by git-svn\n",
|
|
"Try using the command-line svn client instead\n";
|
|
}
|
|
|
|
sub tmp_index_do {
|
|
my ($self, $sub) = @_;
|
|
my $old_index = $ENV{GIT_INDEX_FILE};
|
|
$ENV{GIT_INDEX_FILE} = $self->{index};
|
|
my @ret = &$sub;
|
|
if ($old_index) {
|
|
$ENV{GIT_INDEX_FILE} = $old_index;
|
|
} else {
|
|
delete $ENV{GIT_INDEX_FILE};
|
|
}
|
|
wantarray ? @ret : $ret[0];
|
|
}
|
|
|
|
sub assert_index_clean {
|
|
my ($self, $treeish) = @_;
|
|
|
|
$self->tmp_index_do(sub {
|
|
command_noisy('read-tree', $treeish) unless -e $self->{index};
|
|
my $x = command_oneline('write-tree');
|
|
my ($y) = (command(qw/cat-file commit/, $treeish) =~
|
|
/^tree ($::sha1)/mo);
|
|
if ($y ne $x) {
|
|
unlink $self->{index} or croak $!;
|
|
command_noisy('read-tree', $treeish);
|
|
}
|
|
$x = command_oneline('write-tree');
|
|
if ($y ne $x) {
|
|
::fatal "trees ($treeish) $y != $x\n",
|
|
"Something is seriously wrong...\n";
|
|
}
|
|
});
|
|
}
|
|
|
|
sub get_commit_parents {
|
|
my ($self, $log_entry, @parents) = @_;
|
|
my (%seen, @ret, @tmp);
|
|
# commit parents can be conditionally bound to a particular
|
|
# svn revision via: "svn_revno=commit_sha1", filter them out here:
|
|
foreach my $p (@parents) {
|
|
next unless defined $p;
|
|
if ($p =~ /^(\d+)=($::sha1_short)$/o) {
|
|
push @tmp, $2 if $1 == $log_entry->{revision};
|
|
} else {
|
|
push @tmp, $p if $p =~ /^$::sha1_short$/o;
|
|
}
|
|
}
|
|
if (my $cur = ::verify_ref($self->refname.'^0')) {
|
|
push @tmp, $cur;
|
|
}
|
|
push @tmp, $_ foreach (@{$log_entry->{parents}}, @tmp);
|
|
while (my $p = shift @tmp) {
|
|
next if $seen{$p};
|
|
$seen{$p} = 1;
|
|
push @ret, $p;
|
|
# MAXPARENT is defined to 16 in commit-tree.c:
|
|
last if @ret >= 16;
|
|
}
|
|
if (@tmp) {
|
|
die "r$log_entry->{revision}: No room for parents:\n\t",
|
|
join("\n\t", @tmp), "\n";
|
|
}
|
|
@ret;
|
|
}
|
|
|
|
sub full_url {
|
|
my ($self) = @_;
|
|
$self->ra->{url} . (length $self->{path} ? '/' . $self->{path} : '');
|
|
}
|
|
|
|
sub do_git_commit {
|
|
my ($self, $log_entry, @parents) = @_;
|
|
if (my $c = $self->rev_db_get($log_entry->{revision})) {
|
|
croak "$log_entry->{revision} = $c already exists! ",
|
|
"Why are we refetching it?\n";
|
|
}
|
|
my $author = $log_entry->{author};
|
|
my ($name, $email) = (defined $::users{$author} ? @{$::users{$author}}
|
|
: ($author, "$author\@".$self->ra->uuid));
|
|
$ENV{GIT_AUTHOR_NAME} = $ENV{GIT_COMMITTER_NAME} = $name;
|
|
$ENV{GIT_AUTHOR_EMAIL} = $ENV{GIT_COMMITTER_EMAIL} = $email;
|
|
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date};
|
|
|
|
my $tree = $log_entry->{tree};
|
|
if (!defined $tree) {
|
|
$tree = $self->tmp_index_do(sub {
|
|
command_oneline('write-tree') });
|
|
}
|
|
die "Tree is not a valid sha1: $tree\n" if $tree !~ /^$::sha1$/o;
|
|
|
|
my @exec = ('git-commit-tree', $tree);
|
|
foreach ($self->get_commit_parents($log_entry, @parents)) {
|
|
push @exec, '-p', $_;
|
|
}
|
|
defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec))
|
|
or croak $!;
|
|
print $msg_fh $log_entry->{log} or croak $!;
|
|
print $msg_fh "\ngit-svn-id: ", $self->full_url, '@',
|
|
$log_entry->{revision}, ' ',
|
|
$self->ra->uuid, "\n" or croak $!;
|
|
$msg_fh->flush == 0 or croak $!;
|
|
close $msg_fh or croak $!;
|
|
chomp(my $commit = do { local $/; <$out_fh> });
|
|
close $out_fh or croak $!;
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
if ($commit !~ /^$::sha1$/o) {
|
|
die "Failed to commit, invalid sha1: $commit\n";
|
|
}
|
|
|
|
command_noisy('update-ref',$self->refname, $commit);
|
|
$self->rev_db_set($log_entry->{revision}, $commit);
|
|
|
|
$self->{last_rev} = $log_entry->{revision};
|
|
$self->{last_commit} = $commit;
|
|
print "r$log_entry->{revision} = $commit\n";
|
|
return $commit;
|
|
}
|
|
|
|
sub revisions_eq {
|
|
my ($self, $r0, $r1) = @_;
|
|
return 1 if $r0 == $r1;
|
|
my $nr = 0;
|
|
$self->ra->get_log([$self->{path}], $r0, $r1,
|
|
0, 0, 1, sub { $nr++ });
|
|
return 0 if ($nr > 1);
|
|
return 1;
|
|
}
|
|
|
|
sub find_parent_branch {
|
|
my ($self, $paths, $rev) = @_;
|
|
return undef unless $::_follow_parent;
|
|
|
|
# look for a parent from another branch:
|
|
my $abs_path = '/'.$self->rel_path;
|
|
my $i = $paths->{$abs_path} or goto not_found;
|
|
my $branch_from = $i->copyfrom_path or goto not_found;
|
|
my $r = $i->copyfrom_rev;
|
|
my $repos_root = $self->ra->{repos_root};
|
|
my $url = $self->ra->{url};
|
|
my $new_url = $repos_root . $branch_from;
|
|
print STDERR "Found possible branch point: ",
|
|
"$new_url => ", $self->full_url, ", $r\n";
|
|
$branch_from =~ s#^/##;
|
|
my $remotes = read_all_remotes();
|
|
my $gs;
|
|
foreach my $repo_id (keys %$remotes) {
|
|
my $u = $remotes->{$repo_id}->{url} or next;
|
|
next if $url ne $u;
|
|
my $fetch = $remotes->{$repo_id}->{fetch};
|
|
foreach my $f (keys %$fetch) {
|
|
next if $f ne $branch_from;
|
|
$gs = Git::SVN->new($fetch->{$f}, $repo_id, $f);
|
|
last;
|
|
}
|
|
last if $gs;
|
|
}
|
|
unless ($gs) {
|
|
my $ref_id = $branch_from;
|
|
$ref_id .= "\@$r" if find_ref($ref_id);
|
|
# just grow a tail if we're not unique enough :x
|
|
$ref_id .= '-' while find_ref($ref_id);
|
|
$gs = Git::SVN->init($new_url, '', $ref_id, $ref_id);
|
|
}
|
|
my ($r0, $parent) = $gs->find_rev_before($r, 1);
|
|
if ($::_follow_parent && (!defined $r0 || !defined $parent)) {
|
|
foreach (0 .. $r) {
|
|
my $log_entry = eval { $gs->do_fetch(undef, $_) };
|
|
$gs->do_git_commit($log_entry) if $log_entry;
|
|
}
|
|
($r0, $parent) = $gs->last_rev_commit;
|
|
}
|
|
if (defined $r0 && defined $parent && $gs->revisions_eq($r0, $r)) {
|
|
print STDERR "Found branch parent: ($self->{ref_id}) $parent\n";
|
|
$self->assert_index_clean($parent);
|
|
my $ed;
|
|
if ($self->ra->can_do_switch) {
|
|
print STDERR "Following parent with do_switch\n";
|
|
# do_switch works with svn/trunk >= r22312, but that
|
|
# is not included with SVN 1.4.2 (the latest version
|
|
# at the moment), so we can't rely on it
|
|
$self->{last_commit} = $parent;
|
|
$ed = SVN::Git::Fetcher->new($self);
|
|
$gs->ra->gs_do_switch($r0, $rev, $gs->{path}, 1,
|
|
$self->full_url, $ed)
|
|
or die "SVN connection failed somewhere...\n";
|
|
} else {
|
|
print STDERR "Following parent with do_update\n";
|
|
$ed = SVN::Git::Fetcher->new($self);
|
|
$self->ra->gs_do_update($rev, $rev, $self->{path},
|
|
1, $ed)
|
|
or die "SVN connection failed somewhere...\n";
|
|
}
|
|
return $self->make_log_entry($rev, [$parent], $ed);
|
|
}
|
|
not_found:
|
|
print STDERR "Branch parent for path: '$abs_path' not found\n";
|
|
return undef unless $paths;
|
|
foreach my $p (sort keys %$paths) {
|
|
print STDERR ' ', $p->action, ' ', $p;
|
|
if (my $cp_from = $p->copyfrom_path) {
|
|
print STDERR "(from $cp_from:", $p->copyfrom_rev, ')';
|
|
}
|
|
print STDERR "\n";
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
sub do_fetch {
|
|
my ($self, $paths, $rev) = @_;
|
|
my $ed;
|
|
my ($last_rev, @parents);
|
|
if ($self->{last_commit}) {
|
|
$ed = SVN::Git::Fetcher->new($self);
|
|
$last_rev = $self->{last_rev};
|
|
$ed->{c} = $self->{last_commit};
|
|
@parents = ($self->{last_commit});
|
|
} else {
|
|
$last_rev = $rev;
|
|
if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
|
|
return $log_entry;
|
|
}
|
|
$ed = SVN::Git::Fetcher->new($self);
|
|
}
|
|
unless ($self->ra->gs_do_update($last_rev, $rev,
|
|
$self->{path}, 1, $ed)) {
|
|
die "SVN connection failed somewhere...\n";
|
|
}
|
|
$self->make_log_entry($rev, \@parents, $ed);
|
|
}
|
|
|
|
sub write_untracked {
|
|
my ($self, $rev, $fh, $untracked) = @_;
|
|
my $h;
|
|
print $fh "r$rev\n" or croak $!;
|
|
$h = $untracked->{empty};
|
|
foreach (sort keys %$h) {
|
|
my $act = $h->{$_} ? '+empty_dir' : '-empty_dir';
|
|
print $fh " $act: ", uri_encode($_), "\n" or croak $!;
|
|
warn "W: $act: $_\n";
|
|
}
|
|
foreach my $t (qw/dir_prop file_prop/) {
|
|
$h = $untracked->{$t} or next;
|
|
foreach my $path (sort keys %$h) {
|
|
my $ppath = $path eq '' ? '.' : $path;
|
|
foreach my $prop (sort keys %{$h->{$path}}) {
|
|
next if $SKIP_PROP{$prop};
|
|
my $v = $h->{$path}->{$prop};
|
|
if (defined $v) {
|
|
print $fh " +$t: ",
|
|
uri_encode($ppath), ' ',
|
|
uri_encode($prop), ' ',
|
|
uri_encode($v), "\n"
|
|
or croak $!;
|
|
} else {
|
|
print $fh " -$t: ",
|
|
uri_encode($ppath), ' ',
|
|
uri_encode($prop), "\n"
|
|
or croak $!;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
foreach my $t (qw/absent_file absent_directory/) {
|
|
$h = $untracked->{$t} or next;
|
|
foreach my $parent (sort keys %$h) {
|
|
foreach my $path (sort @{$h->{$parent}}) {
|
|
print $fh " $t: ",
|
|
uri_encode("$parent/$path"), "\n"
|
|
or croak $!;
|
|
warn "W: $t: $parent/$path ",
|
|
"Insufficient permissions?\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub parse_svn_date {
|
|
my $date = shift || return '+0000 1970-01-01 00:00:00';
|
|
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T
|
|
(\d\d)\:(\d\d)\:(\d\d).\d+Z$/x) or
|
|
croak "Unable to parse date: $date\n";
|
|
"+0000 $Y-$m-$d $H:$M:$S";
|
|
}
|
|
|
|
sub check_author {
|
|
my ($author) = @_;
|
|
if (!defined $author || length $author == 0) {
|
|
$author = '(no author)';
|
|
}
|
|
if (defined $::_authors && ! defined $::users{$author}) {
|
|
die "Author: $author not defined in $::_authors file\n";
|
|
}
|
|
$author;
|
|
}
|
|
|
|
sub make_log_entry {
|
|
my ($self, $rev, $parents, $untracked) = @_;
|
|
my $rp = $self->ra->rev_proplist($rev);
|
|
my %log_entry = ( parents => $parents || [], revision => $rev,
|
|
revprops => $rp, log => '');
|
|
open my $un, '>>', "$self->{dir}/unhandled.log" or croak $!;
|
|
$self->write_untracked($rev, $un, $untracked);
|
|
foreach (sort keys %$rp) {
|
|
my $v = $rp->{$_};
|
|
if (/^svn:(author|date|log)$/) {
|
|
$log_entry{$1} = $v;
|
|
} else {
|
|
print $un " rev_prop: ", uri_encode($_), ' ',
|
|
uri_encode($v), "\n";
|
|
}
|
|
}
|
|
close $un or croak $!;
|
|
$log_entry{date} = parse_svn_date($log_entry{date});
|
|
$log_entry{author} = check_author($log_entry{author});
|
|
$log_entry{log} .= "\n";
|
|
\%log_entry;
|
|
}
|
|
|
|
sub fetch {
|
|
my ($self, @parents) = @_;
|
|
my ($last_rev, $last_commit) = $self->last_rev_commit;
|
|
my ($base, $head) = $self->parse_revision($last_rev);
|
|
return if ($base > $head);
|
|
if (defined $last_commit) {
|
|
$self->assert_index_clean($last_commit);
|
|
}
|
|
my $inc = 1000;
|
|
my ($min, $max) = ($base, $head < $base + $inc ? $head : $base + $inc);
|
|
my $err_handler = $SVN::Error::handler;
|
|
$SVN::Error::handler = \&skip_unknown_revs;
|
|
while (1) {
|
|
my @revs;
|
|
$self->ra->get_log([$self->{path}], $min, $max, 0, 1, 1, sub {
|
|
my ($paths, $rev, $author, $date, $log) = @_;
|
|
push @revs, [ $paths, $rev ] });
|
|
foreach (@revs) {
|
|
my $log_entry = $self->do_fetch(@$_);
|
|
$self->do_git_commit($log_entry, @parents);
|
|
}
|
|
last if $max >= $head;
|
|
$min = $max + 1;
|
|
$max += $inc;
|
|
$max = $head if ($max > $head);
|
|
}
|
|
$SVN::Error::handler = $err_handler;
|
|
}
|
|
|
|
sub set_tree_cb {
|
|
my ($self, $log_entry, $tree, $rev, $date, $author) = @_;
|
|
# TODO: enable and test optimized commits:
|
|
if (0 && $rev == ($self->{last_rev} + 1)) {
|
|
$log_entry->{revision} = $rev;
|
|
$log_entry->{author} = $author;
|
|
$self->do_git_commit($log_entry, "$rev=$tree");
|
|
} else {
|
|
$self->fetch("$rev=$tree");
|
|
}
|
|
}
|
|
|
|
sub set_tree {
|
|
my ($self, $tree) = (shift, shift);
|
|
my $log_entry = ::get_commit_entry($tree);
|
|
unless ($self->{last_rev}) {
|
|
fatal("Must have an existing revision to commit\n");
|
|
}
|
|
my $pool = SVN::Pool->new;
|
|
my $ed = SVN::Git::Editor->new({ r => $self->{last_rev},
|
|
ra => $self->ra->dup,
|
|
svn_path => $self->ra->{svn_path}
|
|
},
|
|
$self->ra->get_commit_editor(
|
|
$log_entry->{log}, sub {
|
|
$self->set_tree_cb($log_entry,
|
|
$tree, @_);
|
|
}),
|
|
$pool);
|
|
my $mods = $ed->apply_diff($self->{last_commit}, $tree);
|
|
if (@$mods == 0) {
|
|
print "No changes\nr$self->{last_rev} = $tree\n";
|
|
}
|
|
$pool->clear;
|
|
}
|
|
|
|
sub skip_unknown_revs {
|
|
my ($err) = @_;
|
|
my $errno = $err->apr_err();
|
|
# Maybe the branch we're tracking didn't
|
|
# exist when the repo started, so it's
|
|
# not an error if it doesn't, just continue
|
|
#
|
|
# Wonderfully consistent library, eh?
|
|
# 160013 - svn:// and file://
|
|
# 175002 - http(s)://
|
|
# 175007 - http(s):// (this repo required authorization, too...)
|
|
# More codes may be discovered later...
|
|
if ($errno == 175007 || $errno == 175002 || $errno == 160013) {
|
|
return;
|
|
}
|
|
croak "Error from SVN, ($errno): ", $err->expanded_message,"\n";
|
|
}
|
|
|
|
# rev_db:
|
|
# Tie::File seems to be prone to offset errors if revisions get sparse,
|
|
# it's not that fast, either. Tie::File is also not in Perl 5.6. So
|
|
# one of my favorite modules is out :< Next up would be one of the DBM
|
|
# modules, but I'm not sure which is most portable... So I'll just
|
|
# go with something that's plain-text, but still capable of
|
|
# being randomly accessed. So here's my ultra-simple fixed-width
|
|
# database. All records are 40 characters + "\n", so it's easy to seek
|
|
# to a revision: (41 * rev) is the byte offset.
|
|
# A record of 40 0s denotes an empty revision.
|
|
# And yes, it's still pretty fast (faster than Tie::File).
|
|
|
|
sub rev_db_set {
|
|
my ($self, $rev, $commit) = @_;
|
|
length $commit == 40 or croak "arg3 must be a full SHA1 hexsum\n";
|
|
open my $fh, '+<', $self->{db_path} or croak $!;
|
|
my $offset = $rev * 41;
|
|
# assume that append is the common case:
|
|
seek $fh, 0, 2 or croak $!;
|
|
my $pos = tell $fh;
|
|
if ($pos < $offset) {
|
|
print $fh (('0' x 40),"\n") x (($offset - $pos) / 41)
|
|
or croak $!;
|
|
}
|
|
seek $fh, $offset, 0 or croak $!;
|
|
print $fh $commit,"\n" or croak $!;
|
|
close $fh or croak $!;
|
|
}
|
|
|
|
sub rev_db_get {
|
|
my ($self, $rev) = @_;
|
|
my $ret;
|
|
my $offset = $rev * 41;
|
|
open my $fh, '<', $self->{db_path} or croak $!;
|
|
if (seek $fh, $offset, 0) {
|
|
$ret = readline $fh;
|
|
if (defined $ret) {
|
|
chomp $ret;
|
|
$ret = undef if ($ret =~ /^0{40}$/);
|
|
}
|
|
}
|
|
close $fh or croak $!;
|
|
$ret;
|
|
}
|
|
|
|
sub find_rev_before {
|
|
my ($self, $rev, $eq_ok) = @_;
|
|
--$rev unless $eq_ok;
|
|
while ($rev > 0) {
|
|
if (my $c = $self->rev_db_get($rev)) {
|
|
return ($rev, $c);
|
|
}
|
|
--$rev;
|
|
}
|
|
return (undef, undef);
|
|
}
|
|
|
|
sub _new {
|
|
my ($class, $repo_id, $ref_id, $path) = @_;
|
|
unless (defined $repo_id && length $repo_id) {
|
|
$repo_id = $Git::SVN::default_repo_id;
|
|
}
|
|
unless (defined $ref_id && length $ref_id) {
|
|
$_[2] = $ref_id = $Git::SVN::default_ref_id;
|
|
}
|
|
$_[1] = $repo_id = sanitize_remote_name($repo_id);
|
|
my $dir = "$ENV{GIT_DIR}/svn/$ref_id";
|
|
$_[3] = $path = '' unless (defined $path);
|
|
mkpath([$dir]);
|
|
unless (-f "$dir/.rev_db") {
|
|
open my $fh, '>>', "$dir/.rev_db" or croak $!;
|
|
close $fh or croak $!;
|
|
}
|
|
bless { ref_id => $ref_id, dir => $dir, index => "$dir/index",
|
|
path => $path,
|
|
db_path => "$dir/.rev_db", repo_id => $repo_id }, $class;
|
|
}
|
|
|
|
sub uri_encode {
|
|
my ($f) = @_;
|
|
$f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#uc sprintf("%%%02x",ord($1))#eg;
|
|
$f
|
|
}
|
|
|
|
package Git::SVN::Prompt;
|
|
use strict;
|
|
use warnings;
|
|
require SVN::Core;
|
|
use vars qw/$_no_auth_cache $_username/;
|
|
|
|
sub simple {
|
|
my ($cred, $realm, $default_username, $may_save, $pool) = @_;
|
|
$may_save = undef if $_no_auth_cache;
|
|
$default_username = $_username if defined $_username;
|
|
if (defined $default_username && length $default_username) {
|
|
if (defined $realm && length $realm) {
|
|
print STDERR "Authentication realm: $realm\n";
|
|
STDERR->flush;
|
|
}
|
|
$cred->username($default_username);
|
|
} else {
|
|
username($cred, $realm, $may_save, $pool);
|
|
}
|
|
$cred->password(_read_password("Password for '" .
|
|
$cred->username . "': ", $realm));
|
|
$cred->may_save($may_save);
|
|
$SVN::_Core::SVN_NO_ERROR;
|
|
}
|
|
|
|
sub ssl_server_trust {
|
|
my ($cred, $realm, $failures, $cert_info, $may_save, $pool) = @_;
|
|
$may_save = undef if $_no_auth_cache;
|
|
print STDERR "Error validating server certificate for '$realm':\n";
|
|
if ($failures & $SVN::Auth::SSL::UNKNOWNCA) {
|
|
print STDERR " - The certificate is not issued by a trusted ",
|
|
"authority. Use the\n",
|
|
" fingerprint to validate the certificate manually!\n";
|
|
}
|
|
if ($failures & $SVN::Auth::SSL::CNMISMATCH) {
|
|
print STDERR " - The certificate hostname does not match.\n";
|
|
}
|
|
if ($failures & $SVN::Auth::SSL::NOTYETVALID) {
|
|
print STDERR " - The certificate is not yet valid.\n";
|
|
}
|
|
if ($failures & $SVN::Auth::SSL::EXPIRED) {
|
|
print STDERR " - The certificate has expired.\n";
|
|
}
|
|
if ($failures & $SVN::Auth::SSL::OTHER) {
|
|
print STDERR " - The certificate has an unknown error.\n";
|
|
}
|
|
printf STDERR
|
|
"Certificate information:\n".
|
|
" - Hostname: %s\n".
|
|
" - Valid: from %s until %s\n".
|
|
" - Issuer: %s\n".
|
|
" - Fingerprint: %s\n",
|
|
map $cert_info->$_, qw(hostname valid_from valid_until
|
|
issuer_dname fingerprint);
|
|
my $choice;
|
|
prompt:
|
|
print STDERR $may_save ?
|
|
"(R)eject, accept (t)emporarily or accept (p)ermanently? " :
|
|
"(R)eject or accept (t)emporarily? ";
|
|
STDERR->flush;
|
|
$choice = lc(substr(<STDIN> || 'R', 0, 1));
|
|
if ($choice =~ /^t$/i) {
|
|
$cred->may_save(undef);
|
|
} elsif ($choice =~ /^r$/i) {
|
|
return -1;
|
|
} elsif ($may_save && $choice =~ /^p$/i) {
|
|
$cred->may_save($may_save);
|
|
} else {
|
|
goto prompt;
|
|
}
|
|
$cred->accepted_failures($failures);
|
|
$SVN::_Core::SVN_NO_ERROR;
|
|
}
|
|
|
|
sub ssl_client_cert {
|
|
my ($cred, $realm, $may_save, $pool) = @_;
|
|
$may_save = undef if $_no_auth_cache;
|
|
print STDERR "Client certificate filename: ";
|
|
STDERR->flush;
|
|
chomp(my $filename = <STDIN>);
|
|
$cred->cert_file($filename);
|
|
$cred->may_save($may_save);
|
|
$SVN::_Core::SVN_NO_ERROR;
|
|
}
|
|
|
|
sub ssl_client_cert_pw {
|
|
my ($cred, $realm, $may_save, $pool) = @_;
|
|
$may_save = undef if $_no_auth_cache;
|
|
$cred->password(_read_password("Password: ", $realm));
|
|
$cred->may_save($may_save);
|
|
$SVN::_Core::SVN_NO_ERROR;
|
|
}
|
|
|
|
sub username {
|
|
my ($cred, $realm, $may_save, $pool) = @_;
|
|
$may_save = undef if $_no_auth_cache;
|
|
if (defined $realm && length $realm) {
|
|
print STDERR "Authentication realm: $realm\n";
|
|
}
|
|
my $username;
|
|
if (defined $_username) {
|
|
$username = $_username;
|
|
} else {
|
|
print STDERR "Username: ";
|
|
STDERR->flush;
|
|
chomp($username = <STDIN>);
|
|
}
|
|
$cred->username($username);
|
|
$cred->may_save($may_save);
|
|
$SVN::_Core::SVN_NO_ERROR;
|
|
}
|
|
|
|
sub _read_password {
|
|
my ($prompt, $realm) = @_;
|
|
print STDERR $prompt;
|
|
STDERR->flush;
|
|
require Term::ReadKey;
|
|
Term::ReadKey::ReadMode('noecho');
|
|
my $password = '';
|
|
while (defined(my $key = Term::ReadKey::ReadKey(0))) {
|
|
last if $key =~ /[\012\015]/; # \n\r
|
|
$password .= $key;
|
|
}
|
|
Term::ReadKey::ReadMode('restore');
|
|
print STDERR "\n";
|
|
STDERR->flush;
|
|
$password;
|
|
}
|
|
|
|
package main;
|
|
|
|
sub uri_encode {
|
|
my ($f) = @_;
|
|
$f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#uc sprintf("%%%02x",ord($1))#eg;
|
|
$f
|
|
}
|
|
|
|
sub uri_decode {
|
|
my ($f) = @_;
|
|
$f =~ tr/+/ /;
|
|
$f =~ s/%([A-F0-9]{2})/chr hex($1)/ge;
|
|
$f
|
|
}
|
|
|
|
{
|
|
my $kill_stupid_warnings = $SVN::Node::none.$SVN::Node::file.
|
|
$SVN::Node::dir.$SVN::Node::unknown.
|
|
$SVN::Node::none.$SVN::Node::file.
|
|
$SVN::Node::dir.$SVN::Node::unknown.
|
|
$SVN::Auth::SSL::CNMISMATCH.
|
|
$SVN::Auth::SSL::NOTYETVALID.
|
|
$SVN::Auth::SSL::EXPIRED.
|
|
$SVN::Auth::SSL::UNKNOWNCA.
|
|
$SVN::Auth::SSL::OTHER;
|
|
}
|
|
|
|
package SVN::Git::Fetcher;
|
|
use vars qw/@ISA/;
|
|
use strict;
|
|
use warnings;
|
|
use Carp qw/croak/;
|
|
use IO::File qw//;
|
|
|
|
# file baton members: path, mode_a, mode_b, pool, fh, blob, base
|
|
sub new {
|
|
my ($class, $git_svn) = @_;
|
|
my $self = SVN::Delta::Editor->new;
|
|
bless $self, $class;
|
|
$self->{c} = $git_svn->{last_commit} if exists $git_svn->{last_commit};
|
|
$self->{empty} = {};
|
|
$self->{dir_prop} = {};
|
|
$self->{file_prop} = {};
|
|
$self->{absent_dir} = {};
|
|
$self->{absent_file} = {};
|
|
($self->{gui}, $self->{ctx}) = $git_svn->tmp_index_do(
|
|
sub { command_input_pipe(qw/update-index -z --index-info/) } );
|
|
require Digest::MD5;
|
|
$self;
|
|
}
|
|
|
|
sub set_path_strip {
|
|
my ($self, $path) = @_;
|
|
$self->{path_strip} = qr/^\Q$path\E\/?/;
|
|
}
|
|
|
|
sub open_root {
|
|
{ path => '' };
|
|
}
|
|
|
|
sub open_directory {
|
|
my ($self, $path, $pb, $rev) = @_;
|
|
{ path => $path };
|
|
}
|
|
|
|
sub git_path {
|
|
my ($self, $path) = @_;
|
|
$path =~ s!$self->{path_strip}!! if $self->{path_strip};
|
|
$path;
|
|
}
|
|
|
|
sub delete_entry {
|
|
my ($self, $path, $rev, $pb) = @_;
|
|
my $gui = $self->{gui};
|
|
|
|
my $gpath = $self->git_path($path);
|
|
# remove entire directories.
|
|
if (command('ls-tree', $self->{c}, '--', $gpath) =~ /^040000 tree/) {
|
|
my ($ls, $ctx) = command_output_pipe(qw/ls-tree
|
|
-r --name-only -z/,
|
|
$self->{c}, '--', $gpath);
|
|
local $/ = "\0";
|
|
while (<$ls>) {
|
|
print $gui '0 ',0 x 40,"\t",$_ or croak $!;
|
|
print "\tD\t$_\n" unless $self->{q};
|
|
}
|
|
print "\tD\t$gpath/\n" unless $self->{q};
|
|
command_close_pipe($ls, $ctx);
|
|
$self->{empty}->{$path} = 0
|
|
} else {
|
|
print $gui '0 ',0 x 40,"\t",$gpath,"\0" or croak $!;
|
|
print "\tD\t$gpath\n" unless $self->{q};
|
|
}
|
|
undef;
|
|
}
|
|
|
|
sub open_file {
|
|
my ($self, $path, $pb, $rev) = @_;
|
|
my $gpath = $self->git_path($path);
|
|
my ($mode, $blob) = (command('ls-tree', $self->{c}, '--', $gpath)
|
|
=~ /^(\d{6}) blob ([a-f\d]{40})\t/);
|
|
unless (defined $mode && defined $blob) {
|
|
die "$path was not found in commit $self->{c} (r$rev)\n";
|
|
}
|
|
{ path => $path, mode_a => $mode, mode_b => $mode, blob => $blob,
|
|
pool => SVN::Pool->new, action => 'M' };
|
|
}
|
|
|
|
sub add_file {
|
|
my ($self, $path, $pb, $cp_path, $cp_rev) = @_;
|
|
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
|
|
delete $self->{empty}->{$dir};
|
|
{ path => $path, mode_a => 100644, mode_b => 100644,
|
|
pool => SVN::Pool->new, action => 'A' };
|
|
}
|
|
|
|
sub add_directory {
|
|
my ($self, $path, $cp_path, $cp_rev) = @_;
|
|
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
|
|
delete $self->{empty}->{$dir};
|
|
$self->{empty}->{$path} = 1;
|
|
{ path => $path };
|
|
}
|
|
|
|
sub change_dir_prop {
|
|
my ($self, $db, $prop, $value) = @_;
|
|
$self->{dir_prop}->{$db->{path}} ||= {};
|
|
$self->{dir_prop}->{$db->{path}}->{$prop} = $value;
|
|
undef;
|
|
}
|
|
|
|
sub absent_directory {
|
|
my ($self, $path, $pb) = @_;
|
|
$self->{absent_dir}->{$pb->{path}} ||= [];
|
|
push @{$self->{absent_dir}->{$pb->{path}}}, $path;
|
|
undef;
|
|
}
|
|
|
|
sub absent_file {
|
|
my ($self, $path, $pb) = @_;
|
|
$self->{absent_file}->{$pb->{path}} ||= [];
|
|
push @{$self->{absent_file}->{$pb->{path}}}, $path;
|
|
undef;
|
|
}
|
|
|
|
sub change_file_prop {
|
|
my ($self, $fb, $prop, $value) = @_;
|
|
if ($prop eq 'svn:executable') {
|
|
if ($fb->{mode_b} != 120000) {
|
|
$fb->{mode_b} = defined $value ? 100755 : 100644;
|
|
}
|
|
} elsif ($prop eq 'svn:special') {
|
|
$fb->{mode_b} = defined $value ? 120000 : 100644;
|
|
} else {
|
|
$self->{file_prop}->{$fb->{path}} ||= {};
|
|
$self->{file_prop}->{$fb->{path}}->{$prop} = $value;
|
|
}
|
|
undef;
|
|
}
|
|
|
|
sub apply_textdelta {
|
|
my ($self, $fb, $exp) = @_;
|
|
my $fh = IO::File->new_tmpfile;
|
|
$fh->autoflush(1);
|
|
# $fh gets auto-closed() by SVN::TxDelta::apply(),
|
|
# (but $base does not,) so dup() it for reading in close_file
|
|
open my $dup, '<&', $fh or croak $!;
|
|
my $base = IO::File->new_tmpfile;
|
|
$base->autoflush(1);
|
|
if ($fb->{blob}) {
|
|
defined (my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
open STDOUT, '>&', $base or croak $!;
|
|
print STDOUT 'link ' if ($fb->{mode_a} == 120000);
|
|
exec qw/git-cat-file blob/, $fb->{blob} or croak $!;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
|
|
if (defined $exp) {
|
|
seek $base, 0, 0 or croak $!;
|
|
my $md5 = Digest::MD5->new;
|
|
$md5->addfile($base);
|
|
my $got = $md5->hexdigest;
|
|
die "Checksum mismatch: $fb->{path} $fb->{blob}\n",
|
|
"expected: $exp\n",
|
|
" got: $got\n" if ($got ne $exp);
|
|
}
|
|
}
|
|
seek $base, 0, 0 or croak $!;
|
|
$fb->{fh} = $dup;
|
|
$fb->{base} = $base;
|
|
[ SVN::TxDelta::apply($base, $fh, undef, $fb->{path}, $fb->{pool}) ];
|
|
}
|
|
|
|
sub close_file {
|
|
my ($self, $fb, $exp) = @_;
|
|
my $hash;
|
|
my $path = $self->git_path($fb->{path});
|
|
if (my $fh = $fb->{fh}) {
|
|
seek($fh, 0, 0) or croak $!;
|
|
my $md5 = Digest::MD5->new;
|
|
$md5->addfile($fh);
|
|
my $got = $md5->hexdigest;
|
|
die "Checksum mismatch: $path\n",
|
|
"expected: $exp\n got: $got\n" if ($got ne $exp);
|
|
seek($fh, 0, 0) or croak $!;
|
|
if ($fb->{mode_b} == 120000) {
|
|
read($fh, my $buf, 5) == 5 or croak $!;
|
|
$buf eq 'link ' or die "$path has mode 120000",
|
|
"but is not a link\n";
|
|
}
|
|
defined(my $pid = open my $out,'-|') or die "Can't fork: $!\n";
|
|
if (!$pid) {
|
|
open STDIN, '<&', $fh or croak $!;
|
|
exec qw/git-hash-object -w --stdin/ or croak $!;
|
|
}
|
|
chomp($hash = do { local $/; <$out> });
|
|
close $out or croak $!;
|
|
close $fh or croak $!;
|
|
$hash =~ /^[a-f\d]{40}$/ or die "not a sha1: $hash\n";
|
|
close $fb->{base} or croak $!;
|
|
} else {
|
|
$hash = $fb->{blob} or die "no blob information\n";
|
|
}
|
|
$fb->{pool}->clear;
|
|
my $gui = $self->{gui};
|
|
print $gui "$fb->{mode_b} $hash\t$path\0" or croak $!;
|
|
print "\t$fb->{action}\t$path\n" if $fb->{action} && ! $self->{q};
|
|
undef;
|
|
}
|
|
|
|
sub abort_edit {
|
|
my $self = shift;
|
|
eval { command_close_pipe($self->{gui}, $self->{ctx}) };
|
|
$self->SUPER::abort_edit(@_);
|
|
}
|
|
|
|
sub close_edit {
|
|
my $self = shift;
|
|
command_close_pipe($self->{gui}, $self->{ctx});
|
|
$self->{git_commit_ok} = 1;
|
|
$self->SUPER::close_edit(@_);
|
|
}
|
|
|
|
package SVN::Git::Editor;
|
|
use vars qw/@ISA/;
|
|
use strict;
|
|
use warnings;
|
|
use Carp qw/croak/;
|
|
use IO::File;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $git_svn = shift;
|
|
my $self = SVN::Delta::Editor->new(@_);
|
|
bless $self, $class;
|
|
foreach (qw/svn_path r ra/) {
|
|
die "$_ required!\n" unless (defined $git_svn->{$_});
|
|
$self->{$_} = $git_svn->{$_};
|
|
}
|
|
$self->{pool} = SVN::Pool->new;
|
|
$self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) };
|
|
$self->{rm} = { };
|
|
require Digest::MD5;
|
|
return $self;
|
|
}
|
|
|
|
sub split_path {
|
|
return ($_[0] =~ m#^(.*?)/?([^/]+)$#);
|
|
}
|
|
|
|
sub repo_path {
|
|
(defined $_[1] && length $_[1]) ? $_[1] : ''
|
|
}
|
|
|
|
sub url_path {
|
|
my ($self, $path) = @_;
|
|
$self->{ra}->{url} . '/' . $self->repo_path($path);
|
|
}
|
|
|
|
sub rmdirs {
|
|
my ($self, $tree_b) = @_;
|
|
my $rm = $self->{rm};
|
|
delete $rm->{''}; # we never delete the url we're tracking
|
|
return unless %$rm;
|
|
|
|
foreach (keys %$rm) {
|
|
my @d = split m#/#, $_;
|
|
my $c = shift @d;
|
|
$rm->{$c} = 1;
|
|
while (@d) {
|
|
$c .= '/' . shift @d;
|
|
$rm->{$c} = 1;
|
|
}
|
|
}
|
|
delete $rm->{$self->{svn_path}};
|
|
delete $rm->{''}; # we never delete the url we're tracking
|
|
return unless %$rm;
|
|
|
|
my ($fh, $ctx) = command_output_pipe(
|
|
qw/ls-tree --name-only -r -z/, $tree_b);
|
|
local $/ = "\0";
|
|
while (<$fh>) {
|
|
chomp;
|
|
my @dn = split m#/#, $_;
|
|
while (pop @dn) {
|
|
delete $rm->{join '/', @dn};
|
|
}
|
|
unless (%$rm) {
|
|
close $fh;
|
|
return;
|
|
}
|
|
}
|
|
command_close_pipe($fh, $ctx);
|
|
|
|
my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat});
|
|
foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) {
|
|
$self->close_directory($bat->{$d}, $p);
|
|
my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#);
|
|
print "\tD+\t$d/\n" unless $::_q;
|
|
$self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p);
|
|
delete $bat->{$d};
|
|
}
|
|
}
|
|
|
|
sub open_or_add_dir {
|
|
my ($self, $full_path, $baton) = @_;
|
|
my $t = $self->{ra}->check_path($full_path, $self->{r});
|
|
if ($t == $SVN::Node::none) {
|
|
return $self->add_directory($full_path, $baton,
|
|
undef, -1, $self->{pool});
|
|
} elsif ($t == $SVN::Node::dir) {
|
|
return $self->open_directory($full_path, $baton,
|
|
$self->{r}, $self->{pool});
|
|
}
|
|
print STDERR "$full_path already exists in repository at ",
|
|
"r$self->{r} and it is not a directory (",
|
|
($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n";
|
|
exit 1;
|
|
}
|
|
|
|
sub ensure_path {
|
|
my ($self, $path) = @_;
|
|
my $bat = $self->{bat};
|
|
$path = $self->repo_path($path);
|
|
return $bat->{''} unless (length $path);
|
|
my @p = split m#/+#, $path;
|
|
my $c = shift @p;
|
|
$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''});
|
|
while (@p) {
|
|
my $c0 = $c;
|
|
$c .= '/' . shift @p;
|
|
$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0});
|
|
}
|
|
return $bat->{$c};
|
|
}
|
|
|
|
sub A {
|
|
my ($self, $m) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
|
undef, -1);
|
|
print "\tA\t$m->{file_b}\n" unless $::_q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
}
|
|
|
|
sub C {
|
|
my ($self, $m) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
|
$self->url_path($m->{file_a}), $self->{r});
|
|
print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
}
|
|
|
|
sub delete_entry {
|
|
my ($self, $path, $pbat) = @_;
|
|
my $rpath = $self->repo_path($path);
|
|
my ($dir, $file) = split_path($rpath);
|
|
$self->{rm}->{$dir} = 1;
|
|
$self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool});
|
|
}
|
|
|
|
sub R {
|
|
my ($self, $m) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
|
$self->url_path($m->{file_a}), $self->{r});
|
|
print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $::_q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
|
|
($dir, $file) = split_path($m->{file_a});
|
|
$pbat = $self->ensure_path($dir);
|
|
$self->delete_entry($m->{file_a}, $pbat);
|
|
}
|
|
|
|
sub M {
|
|
my ($self, $m) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->open_file($self->repo_path($m->{file_b}),
|
|
$pbat,$self->{r},$self->{pool});
|
|
print "\t$m->{chg}\t$m->{file_b}\n" unless $::_q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
}
|
|
|
|
sub T { shift->M(@_) }
|
|
|
|
sub change_file_prop {
|
|
my ($self, $fbat, $pname, $pval) = @_;
|
|
$self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool});
|
|
}
|
|
|
|
sub chg_file {
|
|
my ($self, $fbat, $m) = @_;
|
|
if ($m->{mode_b} =~ /755$/ && $m->{mode_a} !~ /755$/) {
|
|
$self->change_file_prop($fbat,'svn:executable','*');
|
|
} elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) {
|
|
$self->change_file_prop($fbat,'svn:executable',undef);
|
|
}
|
|
my $fh = IO::File->new_tmpfile or croak $!;
|
|
if ($m->{mode_b} =~ /^120/) {
|
|
print $fh 'link ' or croak $!;
|
|
$self->change_file_prop($fbat,'svn:special','*');
|
|
} elsif ($m->{mode_a} =~ /^120/ && $m->{mode_b} !~ /^120/) {
|
|
$self->change_file_prop($fbat,'svn:special',undef);
|
|
}
|
|
defined(my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
open STDOUT, '>&', $fh or croak $!;
|
|
exec qw/git-cat-file blob/, $m->{sha1_b} or croak $!;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
$fh->flush == 0 or croak $!;
|
|
seek $fh, 0, 0 or croak $!;
|
|
|
|
my $md5 = Digest::MD5->new;
|
|
$md5->addfile($fh) or croak $!;
|
|
seek $fh, 0, 0 or croak $!;
|
|
|
|
my $exp = $md5->hexdigest;
|
|
my $pool = SVN::Pool->new;
|
|
my $atd = $self->apply_textdelta($fbat, undef, $pool);
|
|
my $got = SVN::TxDelta::send_stream($fh, @$atd, $pool);
|
|
die "Checksum mismatch\nexpected: $exp\ngot: $got\n" if ($got ne $exp);
|
|
$pool->clear;
|
|
|
|
close $fh or croak $!;
|
|
}
|
|
|
|
sub D {
|
|
my ($self, $m) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
print "\tD\t$m->{file_b}\n" unless $::_q;
|
|
$self->delete_entry($m->{file_b}, $pbat);
|
|
}
|
|
|
|
sub close_edit {
|
|
my ($self) = @_;
|
|
my ($p,$bat) = ($self->{pool}, $self->{bat});
|
|
foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) {
|
|
$self->close_directory($bat->{$_}, $p);
|
|
}
|
|
$self->SUPER::close_edit($p);
|
|
$p->clear;
|
|
}
|
|
|
|
sub abort_edit {
|
|
my ($self) = @_;
|
|
$self->SUPER::abort_edit($self->{pool});
|
|
$self->{pool}->clear;
|
|
}
|
|
|
|
# this drives the editor
|
|
sub apply_diff {
|
|
my ($self, $tree_a, $tree_b) = @_;
|
|
my @diff_tree = qw(diff-tree -z -r);
|
|
if ($::_cp_similarity) {
|
|
push @diff_tree, "-C$::_cp_similarity";
|
|
} else {
|
|
push @diff_tree, '-C';
|
|
}
|
|
push @diff_tree, '--find-copies-harder' if $::_find_copies_harder;
|
|
push @diff_tree, "-l$::_l" if defined $::_l;
|
|
push @diff_tree, $tree_a, $tree_b;
|
|
my ($diff_fh, $ctx) = command_output_pipe(@diff_tree);
|
|
my $nl = $/;
|
|
local $/ = "\0";
|
|
my $state = 'meta';
|
|
my @mods;
|
|
while (<$diff_fh>) {
|
|
chomp $_; # this gets rid of the trailing "\0"
|
|
if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s
|
|
$::sha1\s($::sha1)\s
|
|
([MTCRAD])\d*$/xo) {
|
|
push @mods, { mode_a => $1, mode_b => $2,
|
|
sha1_b => $3, chg => $4 };
|
|
if ($4 =~ /^(?:C|R)$/) {
|
|
$state = 'file_a';
|
|
} else {
|
|
$state = 'file_b';
|
|
}
|
|
} elsif ($state eq 'file_a') {
|
|
my $x = $mods[$#mods] or croak "Empty array\n";
|
|
if ($x->{chg} !~ /^(?:C|R)$/) {
|
|
croak "Error parsing $_, $x->{chg}\n";
|
|
}
|
|
$x->{file_a} = $_;
|
|
$state = 'file_b';
|
|
} elsif ($state eq 'file_b') {
|
|
my $x = $mods[$#mods] or croak "Empty array\n";
|
|
if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) {
|
|
croak "Error parsing $_, $x->{chg}\n";
|
|
}
|
|
if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) {
|
|
croak "Error parsing $_, $x->{chg}\n";
|
|
}
|
|
$x->{file_b} = $_;
|
|
$state = 'meta';
|
|
} else {
|
|
croak "Error parsing $_\n";
|
|
}
|
|
}
|
|
command_close_pipe($diff_fh, $ctx);
|
|
$/ = $nl;
|
|
|
|
my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 );
|
|
foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @mods) {
|
|
my $f = $m->{chg};
|
|
if (defined $o{$f}) {
|
|
$self->$f($m);
|
|
} else {
|
|
fatal("Invalid change type: $f\n");
|
|
}
|
|
}
|
|
$self->rmdirs($tree_b) if $::_rmdir;
|
|
if (@mods == 0) {
|
|
$self->abort_edit;
|
|
} else {
|
|
$self->close_edit;
|
|
}
|
|
\@mods;
|
|
}
|
|
|
|
package Git::SVN::Ra;
|
|
use vars qw/@ISA $config_dir/;
|
|
use strict;
|
|
use warnings;
|
|
my ($can_do_switch);
|
|
my %RA;
|
|
|
|
BEGIN {
|
|
# enforce temporary pool usage for some simple functions
|
|
my $e;
|
|
foreach (qw/get_latest_revnum rev_proplist get_file
|
|
check_path get_dir get_uuid get_repos_root/) {
|
|
$e .= "sub $_ {
|
|
my \$self = shift;
|
|
my \$pool = SVN::Pool->new;
|
|
my \@ret = \$self->SUPER::$_(\@_,\$pool);
|
|
\$pool->clear;
|
|
wantarray ? \@ret : \$ret[0]; }\n";
|
|
}
|
|
eval $e;
|
|
}
|
|
|
|
sub new {
|
|
my ($class, $url) = @_;
|
|
$url =~ s!/+$!!;
|
|
return $RA{$url} if $RA{$url};
|
|
|
|
SVN::_Core::svn_config_ensure($config_dir, undef);
|
|
my ($baton, $callbacks) = SVN::Core::auth_open_helper([
|
|
SVN::Client::get_simple_provider(),
|
|
SVN::Client::get_ssl_server_trust_file_provider(),
|
|
SVN::Client::get_simple_prompt_provider(
|
|
\&Git::SVN::Prompt::simple, 2),
|
|
SVN::Client::get_ssl_client_cert_prompt_provider(
|
|
\&Git::SVN::Prompt::ssl_client_cert, 2),
|
|
SVN::Client::get_ssl_client_cert_pw_prompt_provider(
|
|
\&Git::SVN::Prompt::ssl_client_cert_pw, 2),
|
|
SVN::Client::get_username_provider(),
|
|
SVN::Client::get_ssl_server_trust_prompt_provider(
|
|
\&Git::SVN::Prompt::ssl_server_trust),
|
|
SVN::Client::get_username_prompt_provider(
|
|
\&Git::SVN::Prompt::username, 2),
|
|
]);
|
|
my $config = SVN::Core::config_get_config($config_dir);
|
|
my $self = SVN::Ra->new(url => $url, auth => $baton,
|
|
config => $config,
|
|
pool => SVN::Pool->new,
|
|
auth_provider_callbacks => $callbacks);
|
|
$self->{svn_path} = $url;
|
|
$self->{repos_root} = $self->get_repos_root;
|
|
$self->{svn_path} =~ s#^\Q$self->{repos_root}\E/*##;
|
|
$RA{$url} = bless $self, $class;
|
|
}
|
|
|
|
sub DESTROY {
|
|
# do not call the real DESTROY since we store ourselves in %RA
|
|
}
|
|
|
|
sub dup {
|
|
my ($self) = @_;
|
|
my $dup = SVN::Ra->new(pool => SVN::Pool->new,
|
|
map { $_ => $self->{$_} } qw/config url
|
|
auth auth_provider_callbacks repos_root svn_path/);
|
|
bless $dup, ref $self;
|
|
}
|
|
|
|
sub get_log {
|
|
my ($self, @args) = @_;
|
|
my $pool = SVN::Pool->new;
|
|
$args[4]-- if $args[4] && ! $::_follow_parent;
|
|
splice(@args, 3, 1) if ($SVN::Core::VERSION le '1.2.0');
|
|
my $ret = $self->SUPER::get_log(@args, $pool);
|
|
$pool->clear;
|
|
$ret;
|
|
}
|
|
|
|
sub get_commit_editor {
|
|
my ($self, $log, $cb, $pool) = @_;
|
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : ();
|
|
$self->SUPER::get_commit_editor($log, $cb, @lock, $pool);
|
|
}
|
|
|
|
sub uuid {
|
|
my ($self) = @_;
|
|
$self->{uuid} ||= $self->get_uuid;
|
|
}
|
|
|
|
sub gs_do_update {
|
|
my ($self, $rev_a, $rev_b, $path, $recurse, $editor) = @_;
|
|
my $pool = SVN::Pool->new;
|
|
$editor->set_path_strip($path);
|
|
my $reporter = $self->do_update($rev_b, $path, $recurse,
|
|
$editor, $pool);
|
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : ();
|
|
my $new = ($rev_a == $rev_b);
|
|
$reporter->set_path('', $rev_a, $new, @lock, $pool);
|
|
$reporter->finish_report($pool);
|
|
$pool->clear;
|
|
$editor->{git_commit_ok};
|
|
}
|
|
|
|
sub gs_do_switch {
|
|
my ($self, $rev_a, $rev_b, $path, $recurse, $url_b, $editor) = @_;
|
|
my $pool = SVN::Pool->new;
|
|
$editor->set_path_strip($path);
|
|
my $reporter = $self->do_switch($rev_b, $path, $recurse,
|
|
$url_b, $editor, $pool);
|
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : ();
|
|
$reporter->set_path('', $rev_a, 0, @lock, $pool);
|
|
$reporter->finish_report($pool);
|
|
$pool->clear;
|
|
$editor->{git_commit_ok};
|
|
}
|
|
|
|
sub minimize_url {
|
|
my ($self) = @_;
|
|
return $self->{url} if ($self->{url} eq $self->{repos_root});
|
|
my $url = $self->{repos_root};
|
|
my @components = split(m!/!, $self->{svn_path});
|
|
my $c = '';
|
|
do {
|
|
$url .= "/$c" if length $c;
|
|
eval { (ref $self)->new($url)->get_latest_revnum };
|
|
} while ($@ && ($c = shift @components));
|
|
$url;
|
|
}
|
|
|
|
sub can_do_switch {
|
|
my $self = shift;
|
|
unless (defined $can_do_switch) {
|
|
my $pool = SVN::Pool->new;
|
|
my $rep = eval {
|
|
$self->do_switch(1, '', 0, $self->{url},
|
|
SVN::Delta::Editor->new, $pool);
|
|
};
|
|
if ($@) {
|
|
$can_do_switch = 0;
|
|
} else {
|
|
$rep->abort_report($pool);
|
|
$can_do_switch = 1;
|
|
}
|
|
$pool->clear;
|
|
}
|
|
$can_do_switch;
|
|
}
|
|
|
|
package Git::SVN::Log;
|
|
use strict;
|
|
use warnings;
|
|
use POSIX qw/strftime/;
|
|
use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline
|
|
%rusers $show_commit $incremental/;
|
|
my $l_fmt;
|
|
|
|
sub cmt_showable {
|
|
my ($c) = @_;
|
|
return 1 if defined $c->{r};
|
|
if ($c->{l} && $c->{l}->[-1] eq "...\n" &&
|
|
$c->{a_raw} =~ /\@([a-f\d\-]+)>$/) {
|
|
my @log = command(qw/cat-file commit/, $c->{c});
|
|
shift @log while ($log[0] ne "\n");
|
|
shift @log;
|
|
@{$c->{l}} = grep !/^git-svn-id: /, @log;
|
|
|
|
(undef, $c->{r}, undef) = ::extract_metadata(
|
|
(grep(/^git-svn-id: /, @log))[-1]);
|
|
}
|
|
return defined $c->{r};
|
|
}
|
|
|
|
sub log_use_color {
|
|
return 1 if $color;
|
|
my ($dc, $dcvar);
|
|
$dcvar = 'color.diff';
|
|
$dc = `git-config --get $dcvar`;
|
|
if ($dc eq '') {
|
|
# nothing at all; fallback to "diff.color"
|
|
$dcvar = 'diff.color';
|
|
$dc = `git-config --get $dcvar`;
|
|
}
|
|
chomp($dc);
|
|
if ($dc eq 'auto') {
|
|
my $pc;
|
|
$pc = `git-config --get color.pager`;
|
|
if ($pc eq '') {
|
|
# does not have it -- fallback to pager.color
|
|
$pc = `git-config --bool --get pager.color`;
|
|
}
|
|
else {
|
|
$pc = `git-config --bool --get color.pager`;
|
|
if ($?) {
|
|
$pc = 'false';
|
|
}
|
|
}
|
|
chomp($pc);
|
|
if (-t *STDOUT || (defined $pager && $pc eq 'true')) {
|
|
return ($ENV{TERM} && $ENV{TERM} ne 'dumb');
|
|
}
|
|
return 0;
|
|
}
|
|
return 0 if $dc eq 'never';
|
|
return 1 if $dc eq 'always';
|
|
chomp($dc = `git-config --bool --get $dcvar`);
|
|
return ($dc eq 'true');
|
|
}
|
|
|
|
sub git_svn_log_cmd {
|
|
my ($r_min, $r_max) = @_;
|
|
my $gs = Git::SVN->_new;
|
|
my @cmd = (qw/log --abbrev-commit --pretty=raw --default/,
|
|
$gs->refname);
|
|
push @cmd, '-r' unless $non_recursive;
|
|
push @cmd, qw/--raw --name-status/ if $verbose;
|
|
push @cmd, '--color' if log_use_color();
|
|
return @cmd unless defined $r_max;
|
|
if ($r_max == $r_min) {
|
|
push @cmd, '--max-count=1';
|
|
if (my $c = $gs->rev_db_get($r_max)) {
|
|
push @cmd, $c;
|
|
}
|
|
} else {
|
|
my ($c_min, $c_max);
|
|
$c_max = $gs->rev_db_get($r_max);
|
|
$c_min = $gs->rev_db_get($r_min);
|
|
if (defined $c_min && defined $c_max) {
|
|
if ($r_max > $r_max) {
|
|
push @cmd, "$c_min..$c_max";
|
|
} else {
|
|
push @cmd, "$c_max..$c_min";
|
|
}
|
|
} elsif ($r_max > $r_min) {
|
|
push @cmd, $c_max;
|
|
} else {
|
|
push @cmd, $c_min;
|
|
}
|
|
}
|
|
return @cmd;
|
|
}
|
|
|
|
# adapted from pager.c
|
|
sub config_pager {
|
|
$pager ||= $ENV{GIT_PAGER} || $ENV{PAGER};
|
|
if (!defined $pager) {
|
|
$pager = 'less';
|
|
} elsif (length $pager == 0 || $pager eq 'cat') {
|
|
$pager = undef;
|
|
}
|
|
}
|
|
|
|
sub run_pager {
|
|
return unless -t *STDOUT;
|
|
pipe my $rfd, my $wfd or return;
|
|
defined(my $pid = fork) or ::fatal "Can't fork: $!\n";
|
|
if (!$pid) {
|
|
open STDOUT, '>&', $wfd or
|
|
::fatal "Can't redirect to stdout: $!\n";
|
|
return;
|
|
}
|
|
open STDIN, '<&', $rfd or ::fatal "Can't redirect stdin: $!\n";
|
|
$ENV{LESS} ||= 'FRSX';
|
|
exec $pager or ::fatal "Can't run pager: $! ($pager)\n";
|
|
}
|
|
|
|
sub get_author_info {
|
|
my ($dest, $author, $t, $tz) = @_;
|
|
$author =~ s/(?:^\s*|\s*$)//g;
|
|
$dest->{a_raw} = $author;
|
|
my $au;
|
|
if ($::_authors) {
|
|
$au = $rusers{$author} || undef;
|
|
}
|
|
if (!$au) {
|
|
($au) = ($author =~ /<([^>]+)\@[^>]+>$/);
|
|
}
|
|
$dest->{t} = $t;
|
|
$dest->{tz} = $tz;
|
|
$dest->{a} = $au;
|
|
# Date::Parse isn't in the standard Perl distro :(
|
|
if ($tz =~ s/^\+//) {
|
|
$t += ::tz_to_s_offset($tz);
|
|
} elsif ($tz =~ s/^\-//) {
|
|
$t -= ::tz_to_s_offset($tz);
|
|
}
|
|
$dest->{t_utc} = $t;
|
|
}
|
|
|
|
sub process_commit {
|
|
my ($c, $r_min, $r_max, $defer) = @_;
|
|
if (defined $r_min && defined $r_max) {
|
|
if ($r_min == $c->{r} && $r_min == $r_max) {
|
|
show_commit($c);
|
|
return 0;
|
|
}
|
|
return 1 if $r_min == $r_max;
|
|
if ($r_min < $r_max) {
|
|
# we need to reverse the print order
|
|
return 0 if (defined $limit && --$limit < 0);
|
|
push @$defer, $c;
|
|
return 1;
|
|
}
|
|
if ($r_min != $r_max) {
|
|
return 1 if ($r_min < $c->{r});
|
|
return 1 if ($r_max > $c->{r});
|
|
}
|
|
}
|
|
return 0 if (defined $limit && --$limit < 0);
|
|
show_commit($c);
|
|
return 1;
|
|
}
|
|
|
|
sub show_commit {
|
|
my $c = shift;
|
|
if ($oneline) {
|
|
my $x = "\n";
|
|
if (my $l = $c->{l}) {
|
|
while ($l->[0] =~ /^\s*$/) { shift @$l }
|
|
$x = $l->[0];
|
|
}
|
|
$l_fmt ||= 'A' . length($c->{r});
|
|
print 'r',pack($l_fmt, $c->{r}),' | ';
|
|
print "$c->{c} | " if $show_commit;
|
|
print $x;
|
|
} else {
|
|
show_commit_normal($c);
|
|
}
|
|
}
|
|
|
|
sub show_commit_changed_paths {
|
|
my ($c) = @_;
|
|
return unless $c->{changed};
|
|
print "Changed paths:\n", @{$c->{changed}};
|
|
}
|
|
|
|
sub show_commit_normal {
|
|
my ($c) = @_;
|
|
print '-' x72, "\nr$c->{r} | ";
|
|
print "$c->{c} | " if $show_commit;
|
|
print "$c->{a} | ", strftime("%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)",
|
|
localtime($c->{t_utc})), ' | ';
|
|
my $nr_line = 0;
|
|
|
|
if (my $l = $c->{l}) {
|
|
while ($l->[$#$l] eq "\n" && $#$l > 0
|
|
&& $l->[($#$l - 1)] eq "\n") {
|
|
pop @$l;
|
|
}
|
|
$nr_line = scalar @$l;
|
|
if (!$nr_line) {
|
|
print "1 line\n\n\n";
|
|
} else {
|
|
if ($nr_line == 1) {
|
|
$nr_line = '1 line';
|
|
} else {
|
|
$nr_line .= ' lines';
|
|
}
|
|
print $nr_line, "\n";
|
|
show_commit_changed_paths($c);
|
|
print "\n";
|
|
print $_ foreach @$l;
|
|
}
|
|
} else {
|
|
print "1 line\n";
|
|
show_commit_changed_paths($c);
|
|
print "\n";
|
|
|
|
}
|
|
foreach my $x (qw/raw diff/) {
|
|
if ($c->{$x}) {
|
|
print "\n";
|
|
print $_ foreach @{$c->{$x}}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub cmd_show_log {
|
|
my (@args) = @_;
|
|
my ($r_min, $r_max);
|
|
my $r_last = -1; # prevent dupes
|
|
if (defined $TZ) {
|
|
$ENV{TZ} = $TZ;
|
|
} else {
|
|
delete $ENV{TZ};
|
|
}
|
|
if (defined $::_revision) {
|
|
if ($::_revision =~ /^(\d+):(\d+)$/) {
|
|
($r_min, $r_max) = ($1, $2);
|
|
} elsif ($::_revision =~ /^\d+$/) {
|
|
$r_min = $r_max = $::_revision;
|
|
} else {
|
|
::fatal "-r$::_revision is not supported, use ",
|
|
"standard \'git log\' arguments instead\n";
|
|
}
|
|
}
|
|
|
|
config_pager();
|
|
@args = (git_svn_log_cmd($r_min, $r_max), @args);
|
|
my $log = command_output_pipe(@args);
|
|
run_pager();
|
|
my (@k, $c, $d);
|
|
my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
|
|
while (<$log>) {
|
|
if (/^${esc_color}commit ($::sha1_short)/o) {
|
|
my $cmt = $1;
|
|
if ($c && cmt_showable($c) && $c->{r} != $r_last) {
|
|
$r_last = $c->{r};
|
|
process_commit($c, $r_min, $r_max, \@k) or
|
|
goto out;
|
|
}
|
|
$d = undef;
|
|
$c = { c => $cmt };
|
|
} elsif (/^${esc_color}author (.+) (\d+) ([\-\+]?\d+)$/o) {
|
|
get_author_info($c, $1, $2, $3);
|
|
} elsif (/^${esc_color}(?:tree|parent|committer) /o) {
|
|
# ignore
|
|
} elsif (/^${esc_color}:\d{6} \d{6} $::sha1_short/o) {
|
|
push @{$c->{raw}}, $_;
|
|
} elsif (/^${esc_color}[ACRMDT]\t/) {
|
|
# we could add $SVN->{svn_path} here, but that requires
|
|
# remote access at the moment (repo_path_split)...
|
|
s#^(${esc_color})([ACRMDT])\t#$1 $2 #o;
|
|
push @{$c->{changed}}, $_;
|
|
} elsif (/^${esc_color}diff /o) {
|
|
$d = 1;
|
|
push @{$c->{diff}}, $_;
|
|
} elsif ($d) {
|
|
push @{$c->{diff}}, $_;
|
|
} elsif (/^${esc_color} (git-svn-id:.+)$/o) {
|
|
($c->{url}, $c->{r}, undef) = ::extract_metadata($1);
|
|
} elsif (s/^${esc_color} //o) {
|
|
push @{$c->{l}}, $_;
|
|
}
|
|
}
|
|
if ($c && defined $c->{r} && $c->{r} != $r_last) {
|
|
$r_last = $c->{r};
|
|
process_commit($c, $r_min, $r_max, \@k);
|
|
}
|
|
if (@k) {
|
|
my $swap = $r_max;
|
|
$r_max = $r_min;
|
|
$r_min = $swap;
|
|
process_commit($_, $r_min, $r_max) foreach reverse @k;
|
|
}
|
|
out:
|
|
close $log;
|
|
print '-' x72,"\n" unless $incremental || $oneline;
|
|
}
|
|
|
|
package Git::SVN::Migration;
|
|
# these version numbers do NOT correspond to actual version numbers
|
|
# of git nor git-svn. They are just relative.
|
|
#
|
|
# v0 layout: .git/$id/info/url, refs/heads/$id-HEAD
|
|
#
|
|
# v1 layout: .git/$id/info/url, refs/remotes/$id
|
|
#
|
|
# v2 layout: .git/svn/$id/info/url, refs/remotes/$id
|
|
#
|
|
# v3 layout: .git/svn/$id, refs/remotes/$id
|
|
# - info/url may remain for backwards compatibility
|
|
# - this is what we migrate up to this layout automatically,
|
|
# - this will be used by git svn init on single branches
|
|
#
|
|
# v4 layout: .git/svn/$repo_id/$id, refs/remotes/$repo_id/$id
|
|
# - this is only created for newly multi-init-ed
|
|
# repositories. Similar in spirit to the
|
|
# --use-separate-remotes option in git-clone (now default)
|
|
# - we do not automatically migrate to this (following
|
|
# the example set by core git)
|
|
use strict;
|
|
use warnings;
|
|
use Carp qw/croak/;
|
|
use File::Path qw/mkpath/;
|
|
use File::Basename qw/dirname basename/;
|
|
use vars qw/$_minimize/;
|
|
|
|
sub migrate_from_v0 {
|
|
my $git_dir = $ENV{GIT_DIR};
|
|
return undef unless -d $git_dir;
|
|
my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
|
|
my $migrated = 0;
|
|
while (<$fh>) {
|
|
chomp;
|
|
my ($id, $orig_ref) = ($_, $_);
|
|
next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#;
|
|
next unless -f "$git_dir/$id/info/url";
|
|
my $new_ref = "refs/remotes/$id";
|
|
if (::verify_ref("$new_ref^0")) {
|
|
print STDERR "W: $orig_ref is probably an old ",
|
|
"branch used by an ancient version of ",
|
|
"git-svn.\n",
|
|
"However, $new_ref also exists.\n",
|
|
"We will not be able ",
|
|
"to use this branch until this ",
|
|
"ambiguity is resolved.\n";
|
|
next;
|
|
}
|
|
print STDERR "Migrating from v0 layout...\n" if !$migrated;
|
|
print STDERR "Renaming ref: $orig_ref => $new_ref\n";
|
|
command_noisy('update-ref', $new_ref, $orig_ref);
|
|
command_noisy('update-ref', '-d', $orig_ref, $orig_ref);
|
|
$migrated++;
|
|
}
|
|
command_close_pipe($fh, $ctx);
|
|
print STDERR "Done migrating from v0 layout...\n" if $migrated;
|
|
$migrated;
|
|
}
|
|
|
|
sub migrate_from_v1 {
|
|
my $git_dir = $ENV{GIT_DIR};
|
|
my $migrated = 0;
|
|
return $migrated unless -d $git_dir;
|
|
my $svn_dir = "$git_dir/svn";
|
|
|
|
# just in case somebody used 'svn' as their $id at some point...
|
|
return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url";
|
|
|
|
print STDERR "Migrating from a git-svn v1 layout...\n";
|
|
mkpath([$svn_dir]);
|
|
print STDERR "Data from a previous version of git-svn exists, but\n\t",
|
|
"$svn_dir\n\t(required for this version ",
|
|
"($::VERSION) of git-svn) does not. exist\n";
|
|
my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
|
|
while (<$fh>) {
|
|
my $x = $_;
|
|
next unless $x =~ s#^refs/remotes/##;
|
|
chomp $x;
|
|
next unless -f "$git_dir/$x/info/url";
|
|
my $u = eval { ::file_to_s("$git_dir/$x/info/url") };
|
|
next unless $u;
|
|
my $dn = dirname("$git_dir/svn/$x");
|
|
mkpath([$dn]) unless -d $dn;
|
|
if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID:
|
|
mkpath(["$git_dir/svn/svn"]);
|
|
print STDERR " - $git_dir/$x/info => ",
|
|
"$git_dir/svn/$x/info\n";
|
|
rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or
|
|
croak "$!: $x";
|
|
# don't worry too much about these, they probably
|
|
# don't exist with repos this old (save for index,
|
|
# and we can easily regenerate that)
|
|
foreach my $f (qw/unhandled.log index .rev_db/) {
|
|
rename "$git_dir/$x/$f", "$git_dir/svn/$x/$f";
|
|
}
|
|
} else {
|
|
print STDERR " - $git_dir/$x => $git_dir/svn/$x\n";
|
|
rename "$git_dir/$x", "$git_dir/svn/$x" or
|
|
croak "$!: $x";
|
|
}
|
|
$migrated++;
|
|
}
|
|
command_close_pipe($fh, $ctx);
|
|
print STDERR "Done migrating from a git-svn v1 layout\n";
|
|
$migrated;
|
|
}
|
|
|
|
sub read_old_urls {
|
|
my ($l_map, $pfx, $path) = @_;
|
|
my @dir;
|
|
foreach (<$path/*>) {
|
|
if (-r "$_/info/url") {
|
|
$pfx .= '/' if $pfx && $pfx !~ m!/$!;
|
|
my $ref_id = $pfx . basename $_;
|
|
my $url = ::file_to_s("$_/info/url");
|
|
$l_map->{$ref_id} = $url;
|
|
} elsif (-d $_) {
|
|
push @dir, $_;
|
|
}
|
|
}
|
|
foreach (@dir) {
|
|
my $x = $_;
|
|
$x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o;
|
|
read_old_urls($l_map, $x, $_);
|
|
}
|
|
}
|
|
|
|
sub migrate_from_v2 {
|
|
my @cfg = command(qw/config -l/);
|
|
return if grep /^svn-remote\..+\.url=/, @cfg;
|
|
my %l_map;
|
|
read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn");
|
|
my $migrated = 0;
|
|
|
|
foreach my $ref_id (sort keys %l_map) {
|
|
Git::SVN->init($l_map{$ref_id}, '', $ref_id, $ref_id);
|
|
$migrated++;
|
|
}
|
|
$migrated;
|
|
}
|
|
|
|
sub minimize_connections {
|
|
my $r = Git::SVN::read_all_remotes();
|
|
my $new_urls = {};
|
|
my $root_repos = {};
|
|
foreach my $repo_id (keys %$r) {
|
|
my $url = $r->{$repo_id}->{url} or next;
|
|
my $fetch = $r->{$repo_id}->{fetch} or next;
|
|
my $ra = Git::SVN::Ra->new($url);
|
|
|
|
# skip existing cases where we already connect to the root
|
|
if (($ra->{url} eq $ra->{repos_root}) ||
|
|
(Git::SVN::sanitize_remote_name($ra->{repos_root}) eq
|
|
$repo_id)) {
|
|
$root_repos->{$ra->{url}} = $repo_id;
|
|
next;
|
|
}
|
|
|
|
my $root_ra = Git::SVN::Ra->new($ra->{repos_root});
|
|
my $root_path = $ra->{url};
|
|
$root_path =~ s#^\Q$ra->{repos_root}\E/*##;
|
|
foreach my $path (keys %$fetch) {
|
|
my $ref_id = $fetch->{$path};
|
|
my $gs = Git::SVN->new($ref_id, $repo_id, $path);
|
|
|
|
# make sure we can read when connecting to
|
|
# a higher level of a repository
|
|
my ($last_rev, undef) = $gs->last_rev_commit;
|
|
if (!defined $last_rev) {
|
|
$last_rev = eval {
|
|
$root_ra->get_latest_revnum;
|
|
};
|
|
next if $@;
|
|
}
|
|
my $new = $root_path;
|
|
$new .= length $path ? "/$path" : '';
|
|
eval {
|
|
$root_ra->get_log([$new], $last_rev, $last_rev,
|
|
0, 0, 1, sub { });
|
|
};
|
|
next if $@;
|
|
$new_urls->{$ra->{repos_root}}->{$new} =
|
|
{ ref_id => $ref_id,
|
|
old_repo_id => $repo_id,
|
|
old_path => $path };
|
|
}
|
|
}
|
|
|
|
my @emptied;
|
|
foreach my $url (keys %$new_urls) {
|
|
# see if we can re-use an existing [svn-remote "repo_id"]
|
|
# instead of creating a(n ugly) new section:
|
|
my $repo_id = $root_repos->{$url} ||
|
|
Git::SVN::sanitize_remote_name($url);
|
|
|
|
my $fetch = $new_urls->{$url};
|
|
foreach my $path (keys %$fetch) {
|
|
my $x = $fetch->{$path};
|
|
Git::SVN->init($url, $path, $repo_id, $x->{ref_id});
|
|
my $pfx = "svn-remote.$x->{old_repo_id}";
|
|
|
|
my $old_fetch = quotemeta("$x->{old_path}:".
|
|
"refs/remotes/$x->{ref_id}");
|
|
command_noisy(qw/config --unset/,
|
|
"$pfx.fetch", '^'. $old_fetch . '$');
|
|
delete $r->{$x->{old_repo_id}}->
|
|
{fetch}->{$x->{old_path}};
|
|
if (!keys %{$r->{$x->{old_repo_id}}->{fetch}}) {
|
|
command_noisy(qw/config --unset/,
|
|
"$pfx.url");
|
|
push @emptied, $x->{old_repo_id}
|
|
}
|
|
}
|
|
}
|
|
if (@emptied) {
|
|
my $file = $ENV{GIT_CONFIG} || $ENV{GIT_CONFIG_LOCAL} ||
|
|
"$ENV{GIT_DIR}/config";
|
|
print STDERR <<EOF;
|
|
The following [svn-remote] sections in your config file ($file) are empty
|
|
and can be safely removed:
|
|
EOF
|
|
print STDERR "[svn-remote \"$_\"]\n" foreach @emptied;
|
|
}
|
|
}
|
|
|
|
sub migration_check {
|
|
migrate_from_v0();
|
|
migrate_from_v1();
|
|
migrate_from_v2();
|
|
minimize_connections() if $_minimize;
|
|
}
|
|
|
|
__END__
|
|
|
|
Data structures:
|
|
|
|
$log_entry hashref as returned by libsvn_log_entry()
|
|
{
|
|
log => 'whitespace-formatted log entry
|
|
', # trailing newline is preserved
|
|
revision => '8', # integer
|
|
date => '2004-02-24T17:01:44.108345Z', # commit date
|
|
author => 'committer name'
|
|
};
|
|
|
|
@mods = array of diff-index line hashes, each element represents one line
|
|
of diff-index output
|
|
|
|
diff-index line ($m hash)
|
|
{
|
|
mode_a => first column of diff-index output, no leading ':',
|
|
mode_b => second column of diff-index output,
|
|
sha1_b => sha1sum of the final blob,
|
|
chg => change type [MCRADT],
|
|
file_a => original file name of a file (iff chg is 'C' or 'R')
|
|
file_b => new/current file name of a file (any chg)
|
|
}
|
|
;
|
|
|
|
# retval of read_url_paths{,_all}();
|
|
$l_map = {
|
|
# repository root url
|
|
'https://svn.musicpd.org' => {
|
|
# repository path # GIT_SVN_ID
|
|
'mpd/trunk' => 'trunk',
|
|
'mpd/tags/0.11.5' => 'tags/0.11.5',
|
|
},
|
|
}
|
|
|
|
Notes:
|
|
I don't trust the each() function on unless I created %hash myself
|
|
because the internal iterator may not have started at base.
|