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git-svn: "git worktree" awareness

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git-svn internals were previously not aware of repository
layout differences for users of the "git worktree" command.
Introduce this awareness by using "git rev-parse --git-path"
instead of relying on outdated uses of GIT_DIR and friends.

Thanks-to: Duy Nguyen <pclouds@gmail.com>
Reported-by: Mathieu Arnold <mat@freebsd.org>
Signed-off-by: Eric Wong <e@80x24.org>
This commit is contained in:
Eric Wong 2016-10-14 00:27:54 +00:00
parent b26098fc2f
commit 112423eb90
3 changed files with 42 additions and 28 deletions
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9
git-svn.perl
View File

@ -1700,7 +1700,7 @@ sub cmd_gc {
"files will not be compressed.\n";
}
File::Find::find({ wanted => \&gc_directory, no_chdir => 1},
"$ENV{GIT_DIR}/svn");
Git::SVN::svn_dir());
}
########################### utility functions #########################
@ -1734,7 +1734,7 @@ sub post_fetch_checkout {
return unless verify_ref('HEAD^0');
return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#;
my $index = $ENV{GIT_INDEX_FILE} || "$ENV{GIT_DIR}/index";
my $index = command_oneline(qw(rev-parse --git-path index));
return if -f $index;
return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false';
@ -1836,8 +1836,9 @@ sub get_tree_from_treeish {
sub get_commit_entry {
my ($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";
my @git_path = qw(rev-parse --git-path);
my $commit_editmsg = command_oneline(@git_path, 'COMMIT_EDITMSG');
my $commit_msg = command_oneline(@git_path, 'COMMIT_MSG');
open my $log_fh, '>', $commit_editmsg or croak $!;
my $type = command_oneline(qw/cat-file -t/, $treeish);

24
perl/Git/SVN.pm
View File

@ -807,10 +807,15 @@ sub get_fetch_range {
(++$min, $max);
}
sub svn_dir {
command_oneline(qw(rev-parse --git-path svn));
}
sub tmp_config {
my (@args) = @_;
my $old_def_config = "$ENV{GIT_DIR}/svn/config";
my $config = "$ENV{GIT_DIR}/svn/.metadata";
my $svn_dir = svn_dir();
my $old_def_config = "$svn_dir/config";
my $config = "$svn_dir/.metadata";
if (! -f $config && -f $old_def_config) {
rename $old_def_config, $config or
die "Failed rename $old_def_config => $config: $!\n";
@ -1671,7 +1676,7 @@ sub tie_for_persistent_memoization {
return if $memoized;
$memoized = 1;
my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
my $cache_path = svn_dir() . '/.caches/';
mkpath([$cache_path]) unless -d $cache_path;
my %lookup_svn_merge_cache;
@ -1712,7 +1717,7 @@ sub tie_for_persistent_memoization {
sub clear_memoized_mergeinfo_caches {
die "Only call this method in non-memoized context" if ($memoized);
my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
my $cache_path = svn_dir() . '/.caches/';
return unless -d $cache_path;
for my $cache_file (("$cache_path/lookup_svn_merge",
@ -2446,12 +2451,13 @@ sub _new {
"refs/remotes/$prefix$default_ref_id";
}
$_[1] = $repo_id;
my $dir = "$ENV{GIT_DIR}/svn/$ref_id";
my $svn_dir = svn_dir();
my $dir = "$svn_dir/$ref_id";
# Older repos imported by us used $GIT_DIR/svn/foo instead of
# $GIT_DIR/svn/refs/remotes/foo when tracking refs/remotes/foo
# Older repos imported by us used $svn_dir/foo instead of
# $svn_dir/refs/remotes/foo when tracking refs/remotes/foo
if ($ref_id =~ m{^refs/remotes/(.+)}) {
my $old_dir = "$ENV{GIT_DIR}/svn/$1";
my $old_dir = "$svn_dir/$1";
if (-d $old_dir && ! -d $dir) {
$dir = $old_dir;
}
@ -2461,7 +2467,7 @@ sub _new {
mkpath([$dir]);
my $obj = bless {
ref_id => $ref_id, dir => $dir, index => "$dir/index",
config => "$ENV{GIT_DIR}/svn/config",
config => "$svn_dir/config",
map_root => "$dir/.rev_map", repo_id => $repo_id }, $class;
# Ensure it gets canonicalized

37
perl/Git/SVN/Migration.pm
View File

@ -44,7 +44,9 @@ use Git qw(
command_noisy
command_output_pipe
command_close_pipe
command_oneline
);
use Git::SVN;
sub migrate_from_v0 {
my $git_dir = $ENV{GIT_DIR};
@ -55,7 +57,9 @@ sub migrate_from_v0 {
chomp;
my ($id, $orig_ref) = ($_, $_);
next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#;
next unless -f "$git_dir/$id/info/url";
my $info_url = command_oneline(qw(rev-parse --git-path),
"$id/info/url");
next unless -f $info_url;
my $new_ref = "refs/remotes/$id";
if (::verify_ref("$new_ref^0")) {
print STDERR "W: $orig_ref is probably an old ",
@ -82,7 +86,7 @@ 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";
my $svn_dir = Git::SVN::svn_dir();
# just in case somebody used 'svn' as their $id at some point...
return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url";
@ -97,27 +101,28 @@ sub migrate_from_v1 {
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") };
my $info_url = command_oneline(qw(rev-parse --git-path),
"$x/info/url");
next unless -f $info_url;
my $u = eval { ::file_to_s($info_url) };
next unless $u;
my $dn = dirname("$git_dir/svn/$x");
my $dn = dirname("$svn_dir/$x");
mkpath([$dn]) unless -d $dn;
if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID:
mkpath(["$git_dir/svn/svn"]);
mkpath(["$svn_dir/svn"]);
print STDERR " - $git_dir/$x/info => ",
"$git_dir/svn/$x/info\n";
rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or
"$svn_dir/$x/info\n";
rename "$git_dir/$x/info", "$svn_dir/$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/$f";
rename "$git_dir/$x/$f", "$svn_dir/$x/$f";
}
} else {
print STDERR " - $git_dir/$x => $git_dir/svn/$x\n";
rename "$git_dir/$x", "$git_dir/svn/$x" or
croak "$!: $x";
print STDERR " - $git_dir/$x => $svn_dir/$x\n";
rename "$git_dir/$x", "$svn_dir/$x" or croak "$!: $x";
}
$migrated++;
}
@ -139,9 +144,10 @@ sub read_old_urls {
push @dir, $_;
}
}
my $svn_dir = Git::SVN::svn_dir();
foreach (@dir) {
my $x = $_;
$x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o;
$x =~ s!^\Q$svn_dir\E/!!o;
read_old_urls($l_map, $x, $_);
}
}
@ -150,7 +156,7 @@ sub migrate_from_v2 {
my @cfg = command(qw/config -l/);
return if grep /^svn-remote\..+\.url=/, @cfg;
my %l_map;
read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn");
read_old_urls(\%l_map, '', Git::SVN::svn_dir());
my $migrated = 0;
require Git::SVN;
@ -239,7 +245,8 @@ sub minimize_connections {
}
}
if (@emptied) {
my $file = $ENV{GIT_CONFIG} || "$ENV{GIT_DIR}/config";
my $file = $ENV{GIT_CONFIG} ||
command_oneline(qw(rev-parse --git-path config));
print STDERR <<EOF;
The following [svn-remote] sections in your config file ($file) are empty
and can be safely removed: