ee834cf0c7
If the tag was moved in CVS or SVN history, it will be moved in the imported history as well. Tag history is not tracked. Signed-off-by: Junio C Hamano <gitster@pobox.com>
1014 lines
26 KiB
Perl
Executable File
1014 lines
26 KiB
Perl
Executable File
#!/usr/bin/perl -w
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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 strict;
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use warnings;
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use Getopt::Std;
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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, $opt_r);
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my (%conv_author_name, %conv_author_email);
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sub usage(;$) {
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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: ${\basename $0} # fetch/update GIT from CVS
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[-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
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[-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
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[-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
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[-r remote] [CVS_module]
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END
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exit(1);
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}
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sub read_author_info($) {
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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-repo-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 $arg = 'git-repo-config';
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$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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if (@ARGV == 0) {
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chomp(my $module = `git-repo-config --get cvsimport.module`);
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push(@ARGV, $module);
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}
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}
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my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:";
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read_repo_config($opts);
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getopts($opts) or usage();
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usage if $opt_h;
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@ARGV <= 1 or usage("You can't specify more than one CVS module");
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if ($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/\W(?:from|of|merge|merging|merged) (\w+)/i );
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}
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if ($opt_M) {
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push (@mergerx, qr/$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 = $1;
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}
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}
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$user="anonymous" unless defined $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$repo";
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unless ($pass) {
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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 = $p;
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last;
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}
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}
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};
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}
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$pass="A" unless $pass;
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my ($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;
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my $bufsize = 1024 * 1024;
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while ($cnt) {
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if ($bufsize > $cnt) {
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$bufsize = $cnt;
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}
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my $buf;
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my $num = $self->{'socketi'}->read($buf,$bufsize);
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die "Server: Filesize $cnt: $num: $!\n" if not defined $num or $num<=0;
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print $fh $buf;
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$res += $num;
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$cnt -= $num;
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}
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return $res;
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}
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package main;
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|
|
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 $git_dir = shift;
|
|
|
|
my $f = "$git_dir/$remote/$name";
|
|
if (open(my $fh, $f)) {
|
|
chomp(my $r = <$fh>);
|
|
is_sha1($r) or die "Cannot get head id for $name ($r): $!";
|
|
return $r;
|
|
}
|
|
die "unable to open $f: $!" unless $! == POSIX::ENOENT;
|
|
return undef;
|
|
}
|
|
|
|
-d $git_tree
|
|
or mkdir($git_tree,0777)
|
|
or die "Could not create $git_tree: $!";
|
|
chdir($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("git-init");
|
|
die "Cannot init the GIT db at $git_tree: $?\n" if $?;
|
|
system("git-read-tree");
|
|
die "Cannot init an empty tree: $?\n" if $?;
|
|
|
|
$last_branch = $opt_o;
|
|
$orig_branch = "";
|
|
} else {
|
|
open(F, "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, $author) = (%(refname), %(author));';
|
|
open(H, "git-for-each-ref --perl --format='$fmt' $remote |") 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 ($opt_A) {
|
|
read_author_info($opt_A);
|
|
write_author_info("$git_dir/cvs-authors");
|
|
}
|
|
|
|
|
|
#
|
|
# 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;
|
|
close $cvspsfh;
|
|
} else {
|
|
$cvspsfile = $opt_P;
|
|
}
|
|
|
|
open(CVS, "<$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);
|
|
|
|
# commits that cvsps cannot place anywhere...
|
|
$ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
|
|
|
|
sub commit {
|
|
if ($branch eq $opt_o && !$index{branch} && !get_headref($branch, $git_dir)) {
|
|
# 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 $parent = get_headref($last_branch, $git_dir);
|
|
print "Parent ID " . ($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 $sha1 = get_headref($mparent, $git_dir)) {
|
|
push @commit_args, '-p', $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: $!\n";
|
|
|
|
if ($tag) {
|
|
my ($xtag) = $tag;
|
|
$xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY **
|
|
$xtag =~ tr/_/\./ if ( $opt_u );
|
|
$xtag =~ s/[\/]/$opt_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+$//;
|
|
s/[\/]/$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
|
|
# 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 = $opt_o;
|
|
}
|
|
if (-f "$git_dir/$remote/$branch") {
|
|
print STDERR "Branch $branch already exists!\n";
|
|
$state=11;
|
|
next;
|
|
}
|
|
unless (open(H,"$git_dir/$remote/$ancestor")) {
|
|
print STDERR "Branch $ancestor does not exist!\n";
|
|
$ignorebranch{$branch} = 1;
|
|
$state=11;
|
|
next;
|
|
}
|
|
chomp(my $id = <H>);
|
|
close(H);
|
|
unless (open(H,"> $git_dir/$remote/$branch")) {
|
|
print STDERR "Could not create branch $branch: $!\n";
|
|
$ignorebranch{$branch} = 1;
|
|
$state=11;
|
|
next;
|
|
}
|
|
print H "$id\n"
|
|
or die "Could not write branch $branch: $!";
|
|
close(H)
|
|
or die "Could not write branch $branch: $!";
|
|
}
|
|
$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;
|
|
}
|
|
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;
|
|
$fn =~ s#^/+##;
|
|
push(@old,$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("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 "* 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("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/$opt_o")
|
|
unless -f "$git_dir/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('git checkout -f');
|
|
die "checkout failed: $?\n" if $?;
|
|
}
|
|
}
|