$SIG{'PIPE'}="IGNORE";
$ENV{'TZ'}="UTC";
-our ($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);
+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, $opt_r);
my (%conv_author_name, %conv_author_email);
-sub usage() {
+sub usage(;$) {
+ my $msg = shift;
+ print(STDERR "Error: $msg\n") if $msg;
print STDERR <<END;
Usage: ${\basename $0} # fetch/update GIT from CVS
[-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
- [-p opts-for-cvsps] [-C GIT_repository] [-z fuzz] [-i] [-k] [-u]
- [-s subst] [-m] [-M regex] [-S regex] [CVS_module]
+ [-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
+ [-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
+ [-r remote] [CVS_module]
END
exit(1);
}
close ($f);
}
-getopts("hivmkuo:d:p:C:z:s:M:P:A:S:L:") or usage();
+# convert getopts specs for use by git-repo-config
+sub read_repo_config {
+ # Split the string between characters, unless there is a ':'
+ # So "abc:de" becomes ["a", "b", "c:", "d", "e"]
+ my @opts = split(/ *(?!:)/, shift);
+ foreach my $o (@opts) {
+ my $key = $o;
+ $key =~ s/://g;
+ my $arg = 'git-repo-config';
+ $arg .= ' --bool' if ($o !~ /:$/);
+
+ chomp(my $tmp = `$arg --get cvsimport.$key`);
+ if ($tmp && !($arg =~ /--bool/ && $tmp eq 'false')) {
+ no strict 'refs';
+ my $opt_name = "opt_" . $key;
+ if (!$$opt_name) {
+ $$opt_name = $tmp;
+ }
+ }
+ }
+ if (@ARGV == 0) {
+ chomp(my $module = `git-repo-config --get cvsimport.module`);
+ push(@ARGV, $module);
+ }
+}
+
+my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:";
+read_repo_config($opts);
+getopts($opts) or usage();
usage if $opt_h;
-@ARGV <= 1 or usage();
+@ARGV <= 1 or usage("You can't specify more than one CVS module");
if ($opt_d) {
$ENV{"CVSROOT"} = $opt_d;
} elsif ($ENV{"CVSROOT"}) {
$opt_d = $ENV{"CVSROOT"};
} else {
- die "CVSROOT needs to be set";
+ usage("CVSROOT needs to be set");
}
-$opt_o ||= "origin";
$opt_s ||= "-";
+$opt_a ||= 0;
+
my $git_tree = $opt_C;
$git_tree ||= ".";
+my $remote;
+if (defined $opt_r) {
+ $remote = 'refs/remotes/' . $opt_r;
+ $opt_o ||= "master";
+} else {
+ $opt_o ||= "origin";
+ $remote = 'refs/heads';
+}
+
my $cvs_tree;
if ($#ARGV == 0) {
$cvs_tree = $ARGV[0];
} elsif (-f 'CVS/Repository') {
- open my $f, '<', 'CVS/Repository' or
+ open my $f, '<', 'CVS/Repository' or
die 'Failed to open CVS/Repository';
$cvs_tree = <$f>;
chomp $cvs_tree;
close $f;
} else {
- usage();
+ usage("CVS module has to be specified");
}
our @mergerx = ();
push (@mergerx, qr/$opt_M/);
}
+# Remember UTC of our starting time
+# we'll want to avoid importing commits
+# that are too recent
+our $starttime = time();
+
select(STDERR); $|=1; select(STDOUT);
my ($self,$fn,$rev) = @_;
my $res;
- my ($fh, $name) = tempfile('gitcvs.XXXXXX',
+ my ($fh, $name) = tempfile('gitcvs.XXXXXX',
DIR => File::Spec->tmpdir(), UNLINK => 1);
$self->_file($fn,$rev) and $res = $self->_line($fh);
sub get_headref ($$) {
my $name = shift;
- my $git_dir = shift;
-
- my $f = "$git_dir/refs/heads/$name";
+ 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): $!";
my %index; # holds filenames of one index per branch
unless (-d $git_dir) {
- system("git-init-db");
+ 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;
$orig_branch = "";
} else {
- -f "$git_dir/refs/heads/$opt_o"
- or die "Branch '$opt_o' does not exist.\n".
- "Either use the correct '-o branch' option,\n".
- "or import to a new repository.\n";
-
open(F, "git-symbolic-ref HEAD |") or
die "Cannot run git-symbolic-ref: $!\n";
chomp ($last_branch = <F>);
# Get the last import timestamps
my $fmt = '($ref, $author) = (%(refname), %(author));';
- open(H, "git-for-each-ref --perl --format='$fmt' refs/heads |") or
+ 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) = ($ref =~ m|^refs/heads/(.*)|);
+ my ($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
# 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;
exec("cvsps","--norc",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);
die "Could not start cvsps: $!\n";
}
- my ($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
- DIR => File::Spec->tmpdir());
+ ($cvspsfh, $cvspsfile) = tempfile('gitXXXXXX', SUFFIX => '.cvsps',
+ DIR => File::Spec->tmpdir());
while (<CVSPS>) {
print $cvspsfh $_;
}
close CVSPS;
close $cvspsfh;
- $opt_P = $cvspsfile;
+} else {
+ $cvspsfile = $opt_P;
}
-
-open(CVS, "<$opt_P") or die $!;
+open(CVS, "<$cvspsfile") or die $!;
## cvsps output:
#---------------------
sub commit {
if ($branch eq $opt_o && !$index{branch} && !get_headref($branch, $git_dir)) {
# looks like an initial commit
- # use the index primed by git-init-db
- $ENV{GIT_INDEX_FILE} = '.git/index';
- $index{$branch} = '.git/index';
+ # 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
$index{$branch} = tmpnam();
$ENV{GIT_INDEX_FILE} = $index{$branch};
if ($ancestor) {
- system("git-read-tree", $ancestor);
+ system("git-read-tree", "$remote/$ancestor");
} else {
- system("git-read-tree", $branch);
+ system("git-read-tree", "$remote/$branch");
}
die "read-tree failed: $?\n" if $?;
}
waitpid($pid,0);
die "Error running git-commit-tree: $?\n" if $?;
- system("git-update-ref refs/heads/$branch $cid") == 0
+ system("git-update-ref $remote/$branch $cid") == 0
or die "Cannot write branch $branch for update: $!\n";
if ($tag) {
$xtag =~ s/\s+\*\*.*$//; # Remove stuff like ** INVALID ** and ** FUNKY **
$xtag =~ tr/_/\./ if ( $opt_u );
$xtag =~ s/[\/]/$opt_s/g;
-
- my $pid = open2($in, $out, 'git-mktag');
- print $out "object $cid\n".
- "type commit\n".
- "tag $xtag\n".
- "tagger $author_name <$author_email>\n"
- or die "Cannot create tag object $xtag: $!\n";
- close($out)
- or die "Cannot create tag object $xtag: $!\n";
-
- my $tagobj = <$in>;
- chomp $tagobj;
-
- if ( !close($in) or waitpid($pid, 0) != $pid or
- $? != 0 or $tagobj !~ /^[0123456789abcdef]{40}$/ ) {
- die "Cannot create tag object $xtag: $!\n";
- }
-
-
- open(C,">$git_dir/refs/tags/$xtag")
+
+ system('git-tag', $xtag, $cid) == 0
or die "Cannot create tag $xtag: $!\n";
- print C "$tagobj\n"
- or die "Cannot write tag $xtag: $!\n";
- close(C)
- or die "Cannot write tag $xtag: $!\n";
print "Created tag '$xtag' on '$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;
print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
$ancestor = $opt_o;
}
- if (-f "$git_dir/refs/heads/$branch") {
+ if (-f "$git_dir/$remote/$branch") {
print STDERR "Branch $branch already exists!\n";
$state=11;
next;
}
- unless (open(H,"$git_dir/refs/heads/$ancestor")) {
+ unless (open(H,"$git_dir/$remote/$ancestor")) {
print STDERR "Branch $ancestor does not exist!\n";
$ignorebranch{$branch} = 1;
$state=11;
}
chomp(my $id = <H>);
close(H);
- unless (open(H,"> $git_dir/refs/heads/$branch")) {
+ unless (open(H,"> $git_dir/$remote/$branch")) {
print STDERR "Could not create branch $branch: $!\n";
$ignorebranch{$branch} = 1;
$state=11;
}
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.
}
foreach my $git_index (values %index) {
- if ($git_index ne '.git/index') {
+ if ($git_index ne "$git_dir/index") {
unlink($git_index);
}
}
die "Fast-forward update failed: $?\n" if $?;
}
else {
- system(qw(git-merge cvsimport HEAD), "refs/heads/$opt_o");
+ 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 $opt_v;
- system("git-update-ref", "refs/heads/master", "refs/heads/$opt_o")
+ 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');