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9b73ce74e6
* ab/require-perl-5.8: perl: use "use warnings" instead of -w perl: bump the required Perl version to 5.8 from 5.6.[21]
1080 lines
28 KiB
Perl
Executable File
1080 lines
28 KiB
Perl
Executable File
#!/usr/bin/perl
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# This tool is copyright (c) 2005, Matthias Urlichs.
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# It is released under the Gnu Public License, version 2.
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#
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# The basic idea is to aggregate CVS check-ins into related changes.
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# Fortunately, "cvsps" does that for us; all we have to do is to parse
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# its output.
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#
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# Checking out the files is done by a single long-running CVS connection
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# / server process.
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#
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# The head revision is on branch "origin" by default.
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# You can change that with the '-o' option.
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use 5.008;
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use strict;
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use warnings;
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use Getopt::Long;
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use File::Spec;
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use File::Temp qw(tempfile tmpnam);
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use File::Path qw(mkpath);
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use File::Basename qw(basename dirname);
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use Time::Local;
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use IO::Socket;
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use IO::Pipe;
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use POSIX qw(strftime dup2 ENOENT);
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use IPC::Open2;
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$SIG{'PIPE'}="IGNORE";
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$ENV{'TZ'}="UTC";
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our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,@opt_M,$opt_A,$opt_S,$opt_L, $opt_a, $opt_r, $opt_R);
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my (%conv_author_name, %conv_author_email);
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sub usage(;$) {
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my $msg = shift;
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print(STDERR "Error: $msg\n") if $msg;
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print STDERR <<END;
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Usage: git cvsimport # fetch/update GIT from CVS
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[-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
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[-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
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[-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
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[-r remote] [-R] [CVS_module]
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END
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exit(1);
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}
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sub read_author_info($) {
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my ($file) = @_;
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my $user;
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open my $f, '<', "$file" or die("Failed to open $file: $!\n");
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while (<$f>) {
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# Expected format is this:
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# exon=Andreas Ericsson <ae@op5.se>
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if (m/^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/) {
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$user = $1;
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$conv_author_name{$user} = $2;
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$conv_author_email{$user} = $3;
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}
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# However, we also read from CVSROOT/users format
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# to ease migration.
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elsif (/^(\w+):(['"]?)(.+?)\2\s*$/) {
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my $mapped;
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($user, $mapped) = ($1, $3);
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if ($mapped =~ /^\s*(.*?)\s*<(.*)>\s*$/) {
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$conv_author_name{$user} = $1;
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$conv_author_email{$user} = $2;
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}
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elsif ($mapped =~ /^<?(.*)>?$/) {
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$conv_author_name{$user} = $user;
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$conv_author_email{$user} = $1;
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}
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}
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# NEEDSWORK: Maybe warn on unrecognized lines?
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}
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close ($f);
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}
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sub write_author_info($) {
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my ($file) = @_;
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open my $f, '>', $file or
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die("Failed to open $file for writing: $!");
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foreach (keys %conv_author_name) {
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print $f "$_=$conv_author_name{$_} <$conv_author_email{$_}>\n";
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}
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close ($f);
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}
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# convert getopts specs for use by git config
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sub read_repo_config {
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# Split the string between characters, unless there is a ':'
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# So "abc:de" becomes ["a", "b", "c:", "d", "e"]
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my @opts = split(/ *(?!:)/, shift);
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foreach my $o (@opts) {
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my $key = $o;
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$key =~ s/://g;
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my $arg = 'git config';
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$arg .= ' --bool' if ($o !~ /:$/);
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chomp(my $tmp = `$arg --get cvsimport.$key`);
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if ($tmp && !($arg =~ /--bool/ && $tmp eq 'false')) {
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no strict 'refs';
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my $opt_name = "opt_" . $key;
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if (!$$opt_name) {
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$$opt_name = $tmp;
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}
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}
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}
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}
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my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:R";
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read_repo_config($opts);
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Getopt::Long::Configure( 'no_ignore_case', 'bundling' );
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# turn the Getopt::Std specification in a Getopt::Long one,
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# with support for multiple -M options
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GetOptions( map { s/:/=s/; /M/ ? "$_\@" : $_ } split( /(?!:)/, $opts ) )
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or usage();
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usage if $opt_h;
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if (@ARGV == 0) {
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chomp(my $module = `git config --get cvsimport.module`);
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push(@ARGV, $module) if $? == 0;
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}
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@ARGV <= 1 or usage("You can't specify more than one CVS module");
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if ($opt_d) {
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$ENV{"CVSROOT"} = $opt_d;
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} elsif (-f 'CVS/Root') {
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open my $f, '<', 'CVS/Root' or die 'Failed to open CVS/Root';
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$opt_d = <$f>;
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chomp $opt_d;
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close $f;
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$ENV{"CVSROOT"} = $opt_d;
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} elsif ($ENV{"CVSROOT"}) {
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$opt_d = $ENV{"CVSROOT"};
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} else {
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usage("CVSROOT needs to be set");
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}
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$opt_s ||= "-";
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$opt_a ||= 0;
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my $git_tree = $opt_C;
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$git_tree ||= ".";
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my $remote;
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if (defined $opt_r) {
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$remote = 'refs/remotes/' . $opt_r;
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$opt_o ||= "master";
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} else {
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$opt_o ||= "origin";
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$remote = 'refs/heads';
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}
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my $cvs_tree;
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if ($#ARGV == 0) {
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$cvs_tree = $ARGV[0];
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} elsif (-f 'CVS/Repository') {
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open my $f, '<', 'CVS/Repository' or
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die 'Failed to open CVS/Repository';
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$cvs_tree = <$f>;
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chomp $cvs_tree;
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close $f;
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} else {
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usage("CVS module has to be specified");
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}
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our @mergerx = ();
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if ($opt_m) {
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@mergerx = ( qr/\b(?:from|of|merge|merging|merged) ([-\w]+)/i );
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}
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if (@opt_M) {
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push (@mergerx, map { qr/$_/ } @opt_M);
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}
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# Remember UTC of our starting time
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# we'll want to avoid importing commits
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# that are too recent
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our $starttime = time();
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select(STDERR); $|=1; select(STDOUT);
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package CVSconn;
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# Basic CVS dialog.
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# We're only interested in connecting and downloading, so ...
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use File::Spec;
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use File::Temp qw(tempfile);
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use POSIX qw(strftime dup2);
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sub new {
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my ($what,$repo,$subdir) = @_;
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$what=ref($what) if ref($what);
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my $self = {};
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$self->{'buffer'} = "";
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bless($self,$what);
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$repo =~ s#/+$##;
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$self->{'fullrep'} = $repo;
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$self->conn();
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$self->{'subdir'} = $subdir;
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$self->{'lines'} = undef;
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return $self;
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}
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sub conn {
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my $self = shift;
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my $repo = $self->{'fullrep'};
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if ($repo =~ s/^:pserver(?:([^:]*)):(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?//) {
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my ($param,$user,$pass,$serv,$port) = ($1,$2,$3,$4,$5);
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my ($proxyhost,$proxyport);
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if ($param && ($param =~ m/proxy=([^;]+)/)) {
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$proxyhost = $1;
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# Default proxyport, if not specified, is 8080.
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$proxyport = 8080;
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if ($ENV{"CVS_PROXY_PORT"}) {
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$proxyport = $ENV{"CVS_PROXY_PORT"};
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}
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if ($param =~ m/proxyport=([^;]+)/) {
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$proxyport = $1;
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}
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}
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$repo ||= '/';
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# if username is not explicit in CVSROOT, then use current user, as cvs would
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$user=(getlogin() || $ENV{'LOGNAME'} || $ENV{'USER'} || "anonymous") unless $user;
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my $rr2 = "-";
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unless ($port) {
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$rr2 = ":pserver:$user\@$serv:$repo";
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$port=2401;
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}
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my $rr = ":pserver:$user\@$serv:$port$repo";
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if ($pass) {
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$pass = $self->_scramble($pass);
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} else {
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open(H,$ENV{'HOME'}."/.cvspass") and do {
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# :pserver:cvs@mea.tmt.tele.fi:/cvsroot/zmailer Ah<Z
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while (<H>) {
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chomp;
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s/^\/\d+\s+//;
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my ($w,$p) = split(/\s/,$_,2);
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if ($w eq $rr or $w eq $rr2) {
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$pass = $p;
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last;
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}
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}
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};
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$pass = "A" unless $pass;
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}
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my ($s, $rep);
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if ($proxyhost) {
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# Use a HTTP Proxy. Only works for HTTP proxies that
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# don't require user authentication
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#
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# See: http://www.ietf.org/rfc/rfc2817.txt
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$s = IO::Socket::INET->new(PeerHost => $proxyhost, PeerPort => $proxyport);
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die "Socket to $proxyhost: $!\n" unless defined $s;
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$s->write("CONNECT $serv:$port HTTP/1.1\r\nHost: $serv:$port\r\n\r\n")
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or die "Write to $proxyhost: $!\n";
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$s->flush();
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$rep = <$s>;
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# The answer should look like 'HTTP/1.x 2yy ....'
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if (!($rep =~ m#^HTTP/1\.. 2[0-9][0-9]#)) {
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die "Proxy connect: $rep\n";
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}
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# Skip up to the empty line of the proxy server output
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# including the response headers.
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while ($rep = <$s>) {
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last if (!defined $rep ||
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$rep eq "\n" ||
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$rep eq "\r\n");
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}
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} else {
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$s = IO::Socket::INET->new(PeerHost => $serv, PeerPort => $port);
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die "Socket to $serv: $!\n" unless defined $s;
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}
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$s->write("BEGIN AUTH REQUEST\n$repo\n$user\n$pass\nEND AUTH REQUEST\n")
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or die "Write to $serv: $!\n";
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$s->flush();
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$rep = <$s>;
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if ($rep ne "I LOVE YOU\n") {
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$rep="<unknown>" unless $rep;
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die "AuthReply: $rep\n";
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}
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$self->{'socketo'} = $s;
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$self->{'socketi'} = $s;
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} else { # local or ext: Fork off our own cvs server.
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my $pr = IO::Pipe->new();
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my $pw = IO::Pipe->new();
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my $pid = fork();
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die "Fork: $!\n" unless defined $pid;
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my $cvs = 'cvs';
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$cvs = $ENV{CVS_SERVER} if exists $ENV{CVS_SERVER};
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my $rsh = 'rsh';
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$rsh = $ENV{CVS_RSH} if exists $ENV{CVS_RSH};
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my @cvs = ($cvs, 'server');
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my ($local, $user, $host);
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$local = $repo =~ s/:local://;
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if (!$local) {
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$repo =~ s/:ext://;
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$local = !($repo =~ s/^(?:([^\@:]+)\@)?([^:]+)://);
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($user, $host) = ($1, $2);
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}
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if (!$local) {
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if ($user) {
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unshift @cvs, $rsh, '-l', $user, $host;
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} else {
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unshift @cvs, $rsh, $host;
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}
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}
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unless ($pid) {
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$pr->writer();
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$pw->reader();
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dup2($pw->fileno(),0);
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dup2($pr->fileno(),1);
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$pr->close();
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$pw->close();
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exec(@cvs);
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}
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$pw->writer();
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$pr->reader();
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$self->{'socketo'} = $pw;
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$self->{'socketi'} = $pr;
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}
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$self->{'socketo'}->write("Root $repo\n");
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# Trial and error says that this probably is the minimum set
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$self->{'socketo'}->write("Valid-responses ok error Valid-requests Mode M Mbinary E Checked-in Created Updated Merged Removed\n");
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$self->{'socketo'}->write("valid-requests\n");
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$self->{'socketo'}->flush();
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chomp(my $rep=$self->readline());
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if ($rep !~ s/^Valid-requests\s*//) {
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$rep="<unknown>" unless $rep;
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die "Expected Valid-requests from server, but got: $rep\n";
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}
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chomp(my $res=$self->readline());
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die "validReply: $res\n" if $res ne "ok";
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$self->{'socketo'}->write("UseUnchanged\n") if $rep =~ /\bUseUnchanged\b/;
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$self->{'repo'} = $repo;
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}
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sub readline {
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my ($self) = @_;
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return $self->{'socketi'}->getline();
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}
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sub _file {
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# Request a file with a given revision.
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# Trial and error says this is a good way to do it. :-/
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my ($self,$fn,$rev) = @_;
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$self->{'socketo'}->write("Argument -N\n") or return undef;
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$self->{'socketo'}->write("Argument -P\n") or return undef;
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# -kk: Linus' version doesn't use it - defaults to off
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if ($opt_k) {
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$self->{'socketo'}->write("Argument -kk\n") or return undef;
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}
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$self->{'socketo'}->write("Argument -r\n") or return undef;
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$self->{'socketo'}->write("Argument $rev\n") or return undef;
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$self->{'socketo'}->write("Argument --\n") or return undef;
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$self->{'socketo'}->write("Argument $self->{'subdir'}/$fn\n") or return undef;
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$self->{'socketo'}->write("Directory .\n") or return undef;
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$self->{'socketo'}->write("$self->{'repo'}\n") or return undef;
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# $self->{'socketo'}->write("Sticky T1.0\n") or return undef;
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$self->{'socketo'}->write("co\n") or return undef;
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$self->{'socketo'}->flush() or return undef;
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$self->{'lines'} = 0;
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return 1;
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}
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sub _line {
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# Read a line from the server.
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# ... except that 'line' may be an entire file. ;-)
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my ($self, $fh) = @_;
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die "Not in lines" unless defined $self->{'lines'};
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my $line;
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my $res=0;
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while (defined($line = $self->readline())) {
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# M U gnupg-cvs-rep/AUTHORS
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# Updated gnupg-cvs-rep/
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# /daten/src/rsync/gnupg-cvs-rep/AUTHORS
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# /AUTHORS/1.1///T1.1
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# u=rw,g=rw,o=rw
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# 0
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# ok
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if ($line =~ s/^(?:Created|Updated) //) {
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$line = $self->readline(); # path
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$line = $self->readline(); # Entries line
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my $mode = $self->readline(); chomp $mode;
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$self->{'mode'} = $mode;
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defined (my $cnt = $self->readline())
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or die "EOF from server after 'Changed'\n";
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chomp $cnt;
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die "Duh: Filesize $cnt" if $cnt !~ /^\d+$/;
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$line="";
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$res = $self->_fetchfile($fh, $cnt);
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} elsif ($line =~ s/^ //) {
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print $fh $line;
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$res += length($line);
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} elsif ($line =~ /^M\b/) {
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# output, do nothing
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} elsif ($line =~ /^Mbinary\b/) {
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my $cnt;
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die "EOF from server after 'Mbinary'" unless defined ($cnt = $self->readline());
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chomp $cnt;
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die "Duh: Mbinary $cnt" if $cnt !~ /^\d+$/ or $cnt<1;
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$line="";
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$res += $self->_fetchfile($fh, $cnt);
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} else {
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chomp $line;
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if ($line eq "ok") {
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# print STDERR "S: ok (".length($res).")\n";
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return $res;
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} elsif ($line =~ s/^E //) {
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# print STDERR "S: $line\n";
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} elsif ($line =~ /^(Remove-entry|Removed) /i) {
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$line = $self->readline(); # filename
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$line = $self->readline(); # OK
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chomp $line;
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die "Unknown: $line" if $line ne "ok";
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return -1;
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} else {
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die "Unknown: $line\n";
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}
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}
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}
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return undef;
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}
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sub file {
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my ($self,$fn,$rev) = @_;
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my $res;
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my ($fh, $name) = tempfile('gitcvs.XXXXXX',
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DIR => File::Spec->tmpdir(), UNLINK => 1);
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$self->_file($fn,$rev) and $res = $self->_line($fh);
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if (!defined $res) {
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print STDERR "Server has gone away while fetching $fn $rev, retrying...\n";
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truncate $fh, 0;
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$self->conn();
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$self->_file($fn,$rev) or die "No file command send";
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$res = $self->_line($fh);
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die "Retry failed" unless defined $res;
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}
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close ($fh);
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return ($name, $res);
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}
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sub _fetchfile {
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my ($self, $fh, $cnt) = @_;
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my $res = 0;
|
|
my $bufsize = 1024 * 1024;
|
|
while ($cnt) {
|
|
if ($bufsize > $cnt) {
|
|
$bufsize = $cnt;
|
|
}
|
|
my $buf;
|
|
my $num = $self->{'socketi'}->read($buf,$bufsize);
|
|
die "Server: Filesize $cnt: $num: $!\n" if not defined $num or $num<=0;
|
|
print $fh $buf;
|
|
$res += $num;
|
|
$cnt -= $num;
|
|
}
|
|
return $res;
|
|
}
|
|
|
|
sub _scramble {
|
|
my ($self, $pass) = @_;
|
|
my $scrambled = "A";
|
|
|
|
return $scrambled unless $pass;
|
|
|
|
my $pass_len = length($pass);
|
|
my @pass_arr = split("", $pass);
|
|
my $i;
|
|
|
|
# from cvs/src/scramble.c
|
|
my @shifts = (
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
114,120, 53, 79, 96,109, 72,108, 70, 64, 76, 67,116, 74, 68, 87,
|
|
111, 52, 75,119, 49, 34, 82, 81, 95, 65,112, 86,118,110,122,105,
|
|
41, 57, 83, 43, 46,102, 40, 89, 38,103, 45, 50, 42,123, 91, 35,
|
|
125, 55, 54, 66,124,126, 59, 47, 92, 71,115, 78, 88,107,106, 56,
|
|
36,121,117,104,101,100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
|
|
58,113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85,223,
|
|
225,216,187,166,229,189,222,188,141,249,148,200,184,136,248,190,
|
|
199,170,181,204,138,232,218,183,255,234,220,247,213,203,226,193,
|
|
174,172,228,252,217,201,131,230,197,211,145,238,161,179,160,212,
|
|
207,221,254,173,202,146,224,151,140,196,205,130,135,133,143,246,
|
|
192,159,244,239,185,168,215,144,139,165,180,157,147,186,214,176,
|
|
227,231,219,169,175,156,206,198,129,164,150,210,154,177,134,127,
|
|
182,128,158,208,162,132,167,209,149,241,153,251,237,236,171,195,
|
|
243,233,253,240,194,250,191,155,142,137,245,235,163,242,178,152
|
|
);
|
|
|
|
for ($i = 0; $i < $pass_len; $i++) {
|
|
$scrambled .= pack("C", $shifts[ord($pass_arr[$i])]);
|
|
}
|
|
|
|
return $scrambled;
|
|
}
|
|
|
|
package main;
|
|
|
|
my $cvs = CVSconn->new($opt_d, $cvs_tree);
|
|
|
|
|
|
sub pdate($) {
|
|
my ($d) = @_;
|
|
m#(\d{2,4})/(\d\d)/(\d\d)\s(\d\d):(\d\d)(?::(\d\d))?#
|
|
or die "Unparseable date: $d\n";
|
|
my $y=$1; $y-=1900 if $y>1900;
|
|
return timegm($6||0,$5,$4,$3,$2-1,$y);
|
|
}
|
|
|
|
sub pmode($) {
|
|
my ($mode) = @_;
|
|
my $m = 0;
|
|
my $mm = 0;
|
|
my $um = 0;
|
|
for my $x(split(//,$mode)) {
|
|
if ($x eq ",") {
|
|
$m |= $mm&$um;
|
|
$mm = 0;
|
|
$um = 0;
|
|
} elsif ($x eq "u") { $um |= 0700;
|
|
} elsif ($x eq "g") { $um |= 0070;
|
|
} elsif ($x eq "o") { $um |= 0007;
|
|
} elsif ($x eq "r") { $mm |= 0444;
|
|
} elsif ($x eq "w") { $mm |= 0222;
|
|
} elsif ($x eq "x") { $mm |= 0111;
|
|
} elsif ($x eq "=") { # do nothing
|
|
} else { die "Unknown mode: $mode\n";
|
|
}
|
|
}
|
|
$m |= $mm&$um;
|
|
return $m;
|
|
}
|
|
|
|
sub getwd() {
|
|
my $pwd = `pwd`;
|
|
chomp $pwd;
|
|
return $pwd;
|
|
}
|
|
|
|
sub is_sha1 {
|
|
my $s = shift;
|
|
return $s =~ /^[a-f0-9]{40}$/;
|
|
}
|
|
|
|
sub get_headref ($) {
|
|
my $name = shift;
|
|
my $r = `git rev-parse --verify '$name' 2>/dev/null`;
|
|
return undef unless $? == 0;
|
|
chomp $r;
|
|
return $r;
|
|
}
|
|
|
|
my $user_filename_prepend = '';
|
|
sub munge_user_filename {
|
|
my $name = shift;
|
|
return File::Spec->file_name_is_absolute($name) ?
|
|
$name :
|
|
$user_filename_prepend . $name;
|
|
}
|
|
|
|
-d $git_tree
|
|
or mkdir($git_tree,0777)
|
|
or die "Could not create $git_tree: $!";
|
|
if ($git_tree ne '.') {
|
|
$user_filename_prepend = getwd() . '/';
|
|
chdir($git_tree);
|
|
}
|
|
|
|
my $last_branch = "";
|
|
my $orig_branch = "";
|
|
my %branch_date;
|
|
my $tip_at_start = undef;
|
|
|
|
my $git_dir = $ENV{"GIT_DIR"} || ".git";
|
|
$git_dir = getwd()."/".$git_dir unless $git_dir =~ m#^/#;
|
|
$ENV{"GIT_DIR"} = $git_dir;
|
|
my $orig_git_index;
|
|
$orig_git_index = $ENV{GIT_INDEX_FILE} if exists $ENV{GIT_INDEX_FILE};
|
|
|
|
my %index; # holds filenames of one index per branch
|
|
|
|
unless (-d $git_dir) {
|
|
system(qw(git init));
|
|
die "Cannot init the GIT db at $git_tree: $?\n" if $?;
|
|
system(qw(git read-tree --empty));
|
|
die "Cannot init an empty tree: $?\n" if $?;
|
|
|
|
$last_branch = $opt_o;
|
|
$orig_branch = "";
|
|
} else {
|
|
open(F, "-|", qw(git symbolic-ref HEAD)) or
|
|
die "Cannot run git symbolic-ref: $!\n";
|
|
chomp ($last_branch = <F>);
|
|
$last_branch = basename($last_branch);
|
|
close(F);
|
|
unless ($last_branch) {
|
|
warn "Cannot read the last branch name: $! -- assuming 'master'\n";
|
|
$last_branch = "master";
|
|
}
|
|
$orig_branch = $last_branch;
|
|
$tip_at_start = `git rev-parse --verify HEAD`;
|
|
|
|
# Get the last import timestamps
|
|
my $fmt = '($ref, $author) = (%(refname), %(author));';
|
|
my @cmd = ('git', 'for-each-ref', '--perl', "--format=$fmt", $remote);
|
|
open(H, "-|", @cmd) or die "Cannot run git for-each-ref: $!\n";
|
|
while (defined(my $entry = <H>)) {
|
|
my ($ref, $author);
|
|
eval($entry) || die "cannot eval refs list: $@";
|
|
my ($head) = ($ref =~ m|^$remote/(.*)|);
|
|
$author =~ /^.*\s(\d+)\s[-+]\d{4}$/;
|
|
$branch_date{$head} = $1;
|
|
}
|
|
close(H);
|
|
if (!exists $branch_date{$opt_o}) {
|
|
die "Branch '$opt_o' does not exist.\n".
|
|
"Either use the correct '-o branch' option,\n".
|
|
"or import to a new repository.\n";
|
|
}
|
|
}
|
|
|
|
-d $git_dir
|
|
or die "Could not create git subdir ($git_dir).\n";
|
|
|
|
# now we read (and possibly save) author-info as well
|
|
-f "$git_dir/cvs-authors" and
|
|
read_author_info("$git_dir/cvs-authors");
|
|
if ($opt_A) {
|
|
read_author_info(munge_user_filename($opt_A));
|
|
write_author_info("$git_dir/cvs-authors");
|
|
}
|
|
|
|
# open .git/cvs-revisions, if requested
|
|
open my $revision_map, '>>', "$git_dir/cvs-revisions"
|
|
or die "Can't open $git_dir/cvs-revisions for appending: $!\n"
|
|
if defined $opt_R;
|
|
|
|
|
|
#
|
|
# run cvsps into a file unless we are getting
|
|
# it passed as a file via $opt_P
|
|
#
|
|
my $cvspsfile;
|
|
unless ($opt_P) {
|
|
print "Running cvsps...\n" if $opt_v;
|
|
my $pid = open(CVSPS,"-|");
|
|
my $cvspsfh;
|
|
die "Cannot fork: $!\n" unless defined $pid;
|
|
unless ($pid) {
|
|
my @opt;
|
|
@opt = split(/,/,$opt_p) if defined $opt_p;
|
|
unshift @opt, '-z', $opt_z if defined $opt_z;
|
|
unshift @opt, '-q' unless defined $opt_v;
|
|
unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
|
|
push @opt, '--cvs-direct';
|
|
}
|
|
exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
|
|
die "Could not start cvsps: $!\n";
|
|
}
|
|
($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
|
|
DIR => File::Spec->tmpdir());
|
|
while (<CVSPS>) {
|
|
print $cvspsfh $_;
|
|
}
|
|
close CVSPS;
|
|
$? == 0 or die "git cvsimport: fatal: cvsps reported error\n";
|
|
close $cvspsfh;
|
|
} else {
|
|
$cvspsfile = munge_user_filename($opt_P);
|
|
}
|
|
|
|
open(CVS, "<$cvspsfile") or die $!;
|
|
|
|
## cvsps output:
|
|
#---------------------
|
|
#PatchSet 314
|
|
#Date: 1999/09/18 13:03:59
|
|
#Author: wkoch
|
|
#Branch: STABLE-BRANCH-1-0
|
|
#Ancestor branch: HEAD
|
|
#Tag: (none)
|
|
#Log:
|
|
# See ChangeLog: Sat Sep 18 13:03:28 CEST 1999 Werner Koch
|
|
#Members:
|
|
# README:1.57->1.57.2.1
|
|
# VERSION:1.96->1.96.2.1
|
|
#
|
|
#---------------------
|
|
|
|
my $state = 0;
|
|
|
|
sub update_index (\@\@) {
|
|
my $old = shift;
|
|
my $new = shift;
|
|
open(my $fh, '|-', qw(git update-index -z --index-info))
|
|
or die "unable to open git update-index: $!";
|
|
print $fh
|
|
(map { "0 0000000000000000000000000000000000000000\t$_\0" }
|
|
@$old),
|
|
(map { '100' . sprintf('%o', $_->[0]) . " $_->[1]\t$_->[2]\0" }
|
|
@$new)
|
|
or die "unable to write to git update-index: $!";
|
|
close $fh
|
|
or die "unable to write to git update-index: $!";
|
|
$? and die "git update-index reported error: $?";
|
|
}
|
|
|
|
sub write_tree () {
|
|
open(my $fh, '-|', qw(git write-tree))
|
|
or die "unable to open git write-tree: $!";
|
|
chomp(my $tree = <$fh>);
|
|
is_sha1($tree)
|
|
or die "Cannot get tree id ($tree): $!";
|
|
close($fh)
|
|
or die "Error running git write-tree: $?\n";
|
|
print "Tree ID $tree\n" if $opt_v;
|
|
return $tree;
|
|
}
|
|
|
|
my ($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
|
|
my (@old,@new,@skipped,%ignorebranch,@commit_revisions);
|
|
|
|
# commits that cvsps cannot place anywhere...
|
|
$ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
|
|
|
|
sub commit {
|
|
if ($branch eq $opt_o && !$index{branch} &&
|
|
!get_headref("$remote/$branch")) {
|
|
# looks like an initial commit
|
|
# use the index primed by git init
|
|
$ENV{GIT_INDEX_FILE} = "$git_dir/index";
|
|
$index{$branch} = "$git_dir/index";
|
|
} else {
|
|
# use an index per branch to speed up
|
|
# imports of projects with many branches
|
|
unless ($index{$branch}) {
|
|
$index{$branch} = tmpnam();
|
|
$ENV{GIT_INDEX_FILE} = $index{$branch};
|
|
if ($ancestor) {
|
|
system("git", "read-tree", "$remote/$ancestor");
|
|
} else {
|
|
system("git", "read-tree", "$remote/$branch");
|
|
}
|
|
die "read-tree failed: $?\n" if $?;
|
|
}
|
|
}
|
|
$ENV{GIT_INDEX_FILE} = $index{$branch};
|
|
|
|
update_index(@old, @new);
|
|
@old = @new = ();
|
|
my $tree = write_tree();
|
|
my $parent = get_headref("$remote/$last_branch");
|
|
print "Parent ID " . ($parent ? $parent : "(empty)") . "\n" if $opt_v;
|
|
|
|
my @commit_args;
|
|
push @commit_args, ("-p", $parent) if $parent;
|
|
|
|
# loose detection of merges
|
|
# based on the commit msg
|
|
foreach my $rx (@mergerx) {
|
|
next unless $logmsg =~ $rx && $1;
|
|
my $mparent = $1 eq 'HEAD' ? $opt_o : $1;
|
|
if (my $sha1 = get_headref("$remote/$mparent")) {
|
|
push @commit_args, '-p', "$remote/$mparent";
|
|
print "Merge parent branch: $mparent\n" if $opt_v;
|
|
}
|
|
}
|
|
|
|
my $commit_date = strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date));
|
|
$ENV{GIT_AUTHOR_NAME} = $author_name;
|
|
$ENV{GIT_AUTHOR_EMAIL} = $author_email;
|
|
$ENV{GIT_AUTHOR_DATE} = $commit_date;
|
|
$ENV{GIT_COMMITTER_NAME} = $author_name;
|
|
$ENV{GIT_COMMITTER_EMAIL} = $author_email;
|
|
$ENV{GIT_COMMITTER_DATE} = $commit_date;
|
|
my $pid = open2(my $commit_read, my $commit_write,
|
|
'git', 'commit-tree', $tree, @commit_args);
|
|
|
|
# compatibility with git2cvs
|
|
substr($logmsg,32767) = "" if length($logmsg) > 32767;
|
|
$logmsg =~ s/[\s\n]+\z//;
|
|
|
|
if (@skipped) {
|
|
$logmsg .= "\n\n\nSKIPPED:\n\t";
|
|
$logmsg .= join("\n\t", @skipped) . "\n";
|
|
@skipped = ();
|
|
}
|
|
|
|
print($commit_write "$logmsg\n") && close($commit_write)
|
|
or die "Error writing to git commit-tree: $!\n";
|
|
|
|
print "Committed patch $patchset ($branch $commit_date)\n" if $opt_v;
|
|
chomp(my $cid = <$commit_read>);
|
|
is_sha1($cid) or die "Cannot get commit id ($cid): $!\n";
|
|
print "Commit ID $cid\n" if $opt_v;
|
|
close($commit_read);
|
|
|
|
waitpid($pid,0);
|
|
die "Error running git commit-tree: $?\n" if $?;
|
|
|
|
system('git' , 'update-ref', "$remote/$branch", $cid) == 0
|
|
or die "Cannot write branch $branch for update: $!\n";
|
|
|
|
if ($revision_map) {
|
|
print $revision_map "@$_ $cid\n" for @commit_revisions;
|
|
}
|
|
@commit_revisions = ();
|
|
|
|
if ($tag) {
|
|
my ($xtag) = $tag;
|
|
$xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY **
|
|
$xtag =~ tr/_/\./ if ( $opt_u );
|
|
$xtag =~ s/[\/]/$opt_s/g;
|
|
$xtag =~ s/\[//g;
|
|
|
|
system('git' , 'tag', '-f', $xtag, $cid) == 0
|
|
or die "Cannot create tag $xtag: $!\n";
|
|
|
|
print "Created tag '$xtag' on '$branch'\n" if $opt_v;
|
|
}
|
|
};
|
|
|
|
my $commitcount = 1;
|
|
while (<CVS>) {
|
|
chomp;
|
|
if ($state == 0 and /^-+$/) {
|
|
$state = 1;
|
|
} elsif ($state == 0) {
|
|
$state = 1;
|
|
redo;
|
|
} elsif (($state==0 or $state==1) and s/^PatchSet\s+//) {
|
|
$patchset = 0+$_;
|
|
$state=2;
|
|
} elsif ($state == 2 and s/^Date:\s+//) {
|
|
$date = pdate($_);
|
|
unless ($date) {
|
|
print STDERR "Could not parse date: $_\n";
|
|
$state=0;
|
|
next;
|
|
}
|
|
$state=3;
|
|
} elsif ($state == 3 and s/^Author:\s+//) {
|
|
s/\s+$//;
|
|
if (/^(.*?)\s+<(.*)>/) {
|
|
($author_name, $author_email) = ($1, $2);
|
|
} elsif ($conv_author_name{$_}) {
|
|
$author_name = $conv_author_name{$_};
|
|
$author_email = $conv_author_email{$_};
|
|
} else {
|
|
$author_name = $author_email = $_;
|
|
}
|
|
$state = 4;
|
|
} elsif ($state == 4 and s/^Branch:\s+//) {
|
|
s/\s+$//;
|
|
tr/_/\./ if ( $opt_u );
|
|
s/[\/]/$opt_s/g;
|
|
$branch = $_;
|
|
$state = 5;
|
|
} elsif ($state == 5 and s/^Ancestor branch:\s+//) {
|
|
s/\s+$//;
|
|
$ancestor = $_;
|
|
$ancestor = $opt_o if $ancestor eq "HEAD";
|
|
$state = 6;
|
|
} elsif ($state == 5) {
|
|
$ancestor = undef;
|
|
$state = 6;
|
|
redo;
|
|
} elsif ($state == 6 and s/^Tag:\s+//) {
|
|
s/\s+$//;
|
|
if ($_ eq "(none)") {
|
|
$tag = undef;
|
|
} else {
|
|
$tag = $_;
|
|
}
|
|
$state = 7;
|
|
} elsif ($state == 7 and /^Log:/) {
|
|
$logmsg = "";
|
|
$state = 8;
|
|
} elsif ($state == 8 and /^Members:/) {
|
|
$branch = $opt_o if $branch eq "HEAD";
|
|
if (defined $branch_date{$branch} and $branch_date{$branch} >= $date) {
|
|
# skip
|
|
print "skip patchset $patchset: $date before $branch_date{$branch}\n" if $opt_v;
|
|
$state = 11;
|
|
next;
|
|
}
|
|
if (!$opt_a && $starttime - 300 - (defined $opt_z ? $opt_z : 300) <= $date) {
|
|
# skip if the commit is too recent
|
|
# given that the cvsps default fuzz is 300s, we give ourselves another
|
|
# 300s just in case -- this also prevents skipping commits
|
|
# due to server clock drift
|
|
print "skip patchset $patchset: $date too recent\n" if $opt_v;
|
|
$state = 11;
|
|
next;
|
|
}
|
|
if (exists $ignorebranch{$branch}) {
|
|
print STDERR "Skipping $branch\n";
|
|
$state = 11;
|
|
next;
|
|
}
|
|
if ($ancestor) {
|
|
if ($ancestor eq $branch) {
|
|
print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
|
|
$ancestor = $opt_o;
|
|
}
|
|
if (defined get_headref("$remote/$branch")) {
|
|
print STDERR "Branch $branch already exists!\n";
|
|
$state=11;
|
|
next;
|
|
}
|
|
my $id = get_headref("$remote/$ancestor");
|
|
if (!$id) {
|
|
print STDERR "Branch $ancestor does not exist!\n";
|
|
$ignorebranch{$branch} = 1;
|
|
$state=11;
|
|
next;
|
|
}
|
|
|
|
system(qw(git update-ref -m cvsimport),
|
|
"$remote/$branch", $id);
|
|
if($? != 0) {
|
|
print STDERR "Could not create branch $branch\n";
|
|
$ignorebranch{$branch} = 1;
|
|
$state=11;
|
|
next;
|
|
}
|
|
}
|
|
$last_branch = $branch if $branch ne $last_branch;
|
|
$state = 9;
|
|
} elsif ($state == 8) {
|
|
$logmsg .= "$_\n";
|
|
} elsif ($state == 9 and /^\s+(.+?):(INITIAL|\d+(?:\.\d+)+)->(\d+(?:\.\d+)+)\s*$/) {
|
|
# VERSION:1.96->1.96.2.1
|
|
my $init = ($2 eq "INITIAL");
|
|
my $fn = $1;
|
|
my $rev = $3;
|
|
$fn =~ s#^/+##;
|
|
if ($opt_S && $fn =~ m/$opt_S/) {
|
|
print "SKIPPING $fn v $rev\n";
|
|
push(@skipped, $fn);
|
|
next;
|
|
}
|
|
push @commit_revisions, [$fn, $rev];
|
|
print "Fetching $fn v $rev\n" if $opt_v;
|
|
my ($tmpname, $size) = $cvs->file($fn,$rev);
|
|
if ($size == -1) {
|
|
push(@old,$fn);
|
|
print "Drop $fn\n" if $opt_v;
|
|
} else {
|
|
print "".($init ? "New" : "Update")." $fn: $size bytes\n" if $opt_v;
|
|
my $pid = open(my $F, '-|');
|
|
die $! unless defined $pid;
|
|
if (!$pid) {
|
|
exec("git", "hash-object", "-w", $tmpname)
|
|
or die "Cannot create object: $!\n";
|
|
}
|
|
my $sha = <$F>;
|
|
chomp $sha;
|
|
close $F;
|
|
my $mode = pmode($cvs->{'mode'});
|
|
push(@new,[$mode, $sha, $fn]); # may be resurrected!
|
|
}
|
|
unlink($tmpname);
|
|
} elsif ($state == 9 and /^\s+(.+?):\d+(?:\.\d+)+->(\d+(?:\.\d+)+)\(DEAD\)\s*$/) {
|
|
my $fn = $1;
|
|
my $rev = $2;
|
|
$fn =~ s#^/+##;
|
|
push @commit_revisions, [$fn, $rev];
|
|
push(@old,$fn);
|
|
print "Delete $fn\n" if $opt_v;
|
|
} elsif ($state == 9 and /^\s*$/) {
|
|
$state = 10;
|
|
} elsif (($state == 9 or $state == 10) and /^-+$/) {
|
|
$commitcount++;
|
|
if ($opt_L && $commitcount > $opt_L) {
|
|
last;
|
|
}
|
|
commit();
|
|
if (($commitcount & 1023) == 0) {
|
|
system(qw(git repack -a -d));
|
|
}
|
|
$state = 1;
|
|
} elsif ($state == 11 and /^-+$/) {
|
|
$state = 1;
|
|
} elsif (/^-+$/) { # end of unknown-line processing
|
|
$state = 1;
|
|
} elsif ($state != 11) { # ignore stuff when skipping
|
|
print STDERR "* UNKNOWN LINE * $_\n";
|
|
}
|
|
}
|
|
commit() if $branch and $state != 11;
|
|
|
|
unless ($opt_P) {
|
|
unlink($cvspsfile);
|
|
}
|
|
|
|
# The heuristic of repacking every 1024 commits can leave a
|
|
# lot of unpacked data. If there is more than 1MB worth of
|
|
# not-packed objects, repack once more.
|
|
my $line = `git count-objects`;
|
|
if ($line =~ /^(\d+) objects, (\d+) kilobytes$/) {
|
|
my ($n_objects, $kb) = ($1, $2);
|
|
1024 < $kb
|
|
and system(qw(git repack -a -d));
|
|
}
|
|
|
|
foreach my $git_index (values %index) {
|
|
if ($git_index ne "$git_dir/index") {
|
|
unlink($git_index);
|
|
}
|
|
}
|
|
|
|
if (defined $orig_git_index) {
|
|
$ENV{GIT_INDEX_FILE} = $orig_git_index;
|
|
} else {
|
|
delete $ENV{GIT_INDEX_FILE};
|
|
}
|
|
|
|
# Now switch back to the branch we were in before all of this happened
|
|
if ($orig_branch) {
|
|
print "DONE.\n" if $opt_v;
|
|
if ($opt_i) {
|
|
exit 0;
|
|
}
|
|
my $tip_at_end = `git rev-parse --verify HEAD`;
|
|
if ($tip_at_start ne $tip_at_end) {
|
|
for ($tip_at_start, $tip_at_end) { chomp; }
|
|
print "Fetched into the current branch.\n" if $opt_v;
|
|
system(qw(git read-tree -u -m),
|
|
$tip_at_start, $tip_at_end);
|
|
die "Fast-forward update failed: $?\n" if $?;
|
|
}
|
|
else {
|
|
system(qw(git merge cvsimport HEAD), "$remote/$opt_o");
|
|
die "Could not merge $opt_o into the current branch.\n" if $?;
|
|
}
|
|
} else {
|
|
$orig_branch = "master";
|
|
print "DONE; creating $orig_branch branch\n" if $opt_v;
|
|
system("git", "update-ref", "refs/heads/master", "$remote/$opt_o")
|
|
unless defined get_headref('refs/heads/master');
|
|
system("git", "symbolic-ref", "$remote/HEAD", "$remote/$opt_o")
|
|
if ($opt_r && $opt_o ne 'HEAD');
|
|
system('git', 'update-ref', 'HEAD', "$orig_branch");
|
|
unless ($opt_i) {
|
|
system(qw(git checkout -f));
|
|
die "checkout failed: $?\n" if $?;
|
|
}
|
|
}
|