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-rwxr-xr-xgit-cvsimport.perl45
1 files changed, 19 insertions, 26 deletions
diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index e4bc2b5..d29b547 100755
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -526,18 +526,12 @@ sub is_sha1 {
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 $! == POSIX::ENOENT;
- return undef;
+sub get_headref ($) {
+ my $name = shift;
+ my $r = `git rev-parse --verify '$name' 2>/dev/null`;
+ return undef unless $? == 0;
+ chomp $r;
+ return $r;
}
-d $git_tree
@@ -697,7 +691,8 @@ my (@old,@new,@skipped,%ignorebranch);
$ignorebranch{'#CVSPS_NO_BRANCH'} = 1;
sub commit {
- if ($branch eq $opt_o && !$index{branch} && !get_headref($branch, $git_dir)) {
+ if ($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";
@@ -721,7 +716,7 @@ sub commit {
update_index(@old, @new);
@old = @new = ();
my $tree = write_tree();
- my $parent = get_headref($last_branch, $git_dir);
+ my $parent = get_headref("$remote/$last_branch");
print "Parent ID " . ($parent ? $parent : "(empty)") . "\n" if $opt_v;
my @commit_args;
@@ -732,7 +727,7 @@ sub commit {
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)) {
+ if (my $sha1 = get_headref("$remote/$mparent")) {
push @commit_args, '-p', $mparent;
print "Merge parent branch: $mparent\n" if $opt_v;
}
@@ -869,29 +864,27 @@ while (<CVS>) {
print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
$ancestor = $opt_o;
}
- if (-f "$git_dir/$remote/$branch") {
+ if (defined get_headref("$remote/$branch")) {
print STDERR "Branch $branch already exists!\n";
$state=11;
next;
}
- unless (open(H,"$git_dir/$remote/$ancestor")) {
+ my $id = get_headref("$remote/$ancestor");
+ if (!$id) {
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: $!\n";
+
+ system(qw(git update-ref -m cvsimport),
+ "$remote/$branch", $id);
+ if($? != 0) {
+ print STDERR "Could not create branch $branch\n";
$ignorebranch{$branch} = 1;
$state=11;
next;
}
- print H "$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;
$state = 9;
@@ -1003,7 +996,7 @@ if ($orig_branch) {
$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";
+ 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");