Changelog handling: Provide commit_getclogp (nfc)

[dgit.git] / dgit

diff --git a/dgit b/dgit
index 90b1fde67a5cb9887e42dec2e3be18c2c2183347..8bf4794ffa4148a3a7ca4fbde1a4287873b19efa 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -879,6 +879,19 @@ sub parsechangelog {
     return $c;
 }
 
+sub commit_getclogp ($) {
+    # Returns the parsed changelog hashref for a particular commit
+    my ($objid) = @_;
+    our %commit_getclogp_memo;
+    my $memo = $commit_getclogp_memo{$objid};
+    return $memo if $memo;
+    mkpath '.git/dgit';
+    my $mclog = ".git/dgit/clog-$objid";
+    runcmd shell_cmd "exec >$mclog", @git, qw(cat-file blob),
+       "$objid:debian/changelog";
+    $commit_getclogp_memo{$objid} = parsechangelog("-l$mclog");
+}
+
 sub must_getcwd () {
     my $d = getcwd();
     defined $d or fail "getcwd failed: $!";
@@ -1787,14 +1800,9 @@ END
 }
 
 sub mergeinfo_getclogp ($) {
-    my ($mi) = @_;
     # Ensures thit $mi->{Clogp} exists and returns it
-    return $mi->{Clogp} if $mi->{Clogp};
-    my $mclog = ".git/dgit/clog-$mi->{Commit}";
-    mkpath '.git/dgit';
-    runcmd shell_cmd "exec >$mclog", @git, qw(cat-file blob),
-       "$mi->{Commit}:debian/changelog";
-    $mi->{Clogp} = parsechangelog("-l$mclog");
+    my ($mi) = @_;
+    $mi->{Clogp} = commit_getclogp($mi->{Commit});
 }
 
 sub mergeinfo_version ($) {
@@ -1924,10 +1932,10 @@ sub fetch_from_archive () {
     my $del_lrfetchrefs = sub {
        changedir $cwd;
        my $gur;
-       printdebug "del_lrfetchrefs\n";
+       printdebug "del_lrfetchrefs...\n";
        foreach my $fullrefname (sort keys %lrfetchrefs_d) {
            my $objid = $lrfetchrefs_d{$fullrefname};
-           printdebug "del_lrfetchrefs: $fullrefname=$objid.\n";
+           printdebug "del_lrfetchrefs: $objid $fullrefname\n";
            if (!$gur) {
                $gur ||= new IO::Handle;
                open $gur, "|-", qw(git update-ref --stdin) or die $!;
@@ -2576,7 +2584,7 @@ END
 
     my $forceflag = '';
     if ($archive_hash) {
-       if (is_fast_fwd($archive_hash, 'HEAD')) {
+       if (is_fast_fwd($archive_hash, $dgithead)) {
            # ok
        } elsif (deliberately_not_fast_forward) {
            $forceflag = '+';