dgit: quilt fixup: Do not suggest quilt modes if we see gdr

[dgit.git] / dgit

diff --git a/dgit b/dgit
index 6879e541acb4463cd9b52373dc597267a1fa7adc..6377e327091bfd900ddaa0746b78aaf998aa6660 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -5228,29 +5228,7 @@ END
     my $dgitview = git_rev_parse 'HEAD';
 
     changedir $maindir;
-    # When we no longer need to support squeeze, use --create-reflog
-    # instead of this:
-    ensuredir "$maindir_gitcommon/logs/refs/dgit-intern";
-    my $makelogfh = new IO::File "$maindir_gitcommon/logs/refs/$splitbraincache", '>>'
-      or die $!;
-
-    my $oldcache = git_get_ref "refs/$splitbraincache";
-    if ($oldcache eq $dgitview) {
-       my $tree = cmdoutput qw(git rev-parse), "$dgitview:";
-       # git update-ref doesn't always update, in this case.  *sigh*
-       my $dummy = make_commit_text <<END;
-tree $tree
-parent $dgitview
-author Dgit <dgit\@example.com> 1000000000 +0000
-committer Dgit <dgit\@example.com> 1000000000 +0000
-
-Dummy commit - do not use
-END
-       runcmd @git, qw(update-ref -m), "dgit $our_version - dummy",
-           "refs/$splitbraincache", $dummy;
-    }
-    runcmd @git, qw(update-ref -m), $cachekey, "refs/$splitbraincache",
-       $dgitview;
+    reflog_cache_insert "refs/$splitbraincache", $cachekey, $dgitview;
 
     changedir "$playground/work";
 
@@ -5390,13 +5368,20 @@ sub quiltify ($$$$) {
        };
        if ($quilt_mode eq 'linear') {
            print STDERR "\n$us: error: quilt fixup cannot be linear.  Stopped at:\n";
+           my $all_gdr = !!@nots;
            foreach my $notp (@nots) {
                print STDERR "$us:  ", $reportnot->($notp), "\n";
+               $all_gdr &&= $notp->{Child} &&
+                   (git_cat_file $notp->{Child}{Commit}, 'commit')
+                   =~ m{^\[git-debrebase.*\]$}m;
            }
-           print STDERR "$us: $_\n" foreach @$failsuggestion;
+           print STDERR "\n";
+           $failsuggestion =
+               [ grep { $_->[0] ne 'quilt-mode' } @$failsuggestion ]
+               if $all_gdr;
+           print STDERR "$us: $_->[1]\n" foreach @$failsuggestion;
            fail
- "quilt history linearisation failed.  Search \`quilt fixup' in dgit(7).\n".
- "Use dpkg-source --commit by hand; or, --quilt=smash for one ugly patch";
+ "quilt history linearisation failed.  Search \`quilt fixup' in dgit(7).\n";
        } elsif ($quilt_mode eq 'smash') {
        } elsif ($quilt_mode eq 'auto') {
            progress "quilt fixup cannot be linear, smashing...";
@@ -5753,26 +5738,12 @@ sub quilt_check_splitbrain_cache ($$) {
     push @cachekey, $srcshash->hexdigest();
     $splitbrain_cachekey = "@cachekey";
 
-    my @cmd = (@git, qw(log -g), '--pretty=format:%H %gs',
-              $splitbraincache);
     printdebug "splitbrain cachekey $splitbrain_cachekey\n";
-    debugcmd "|(probably)",@cmd;
-    my $child = open GC, "-|";  defined $child or die $!;
-    if (!$child) {
-       chdir $maindir or die $!;
-       if (!stat "$maindir_gitcommon/logs/refs/$splitbraincache") {
-           $! == ENOENT or die $!;
-           printdebug ">(no reflog)\n";
-           finish 0;
-       }
-       exec @cmd; die $!;
-    }
-    while (<GC>) {
-       chomp;
-       printdebug ">| ", $_, "\n" if $debuglevel > 1;
-       next unless m/^(\w+) (\S.*\S)$/ && $2 eq $splitbrain_cachekey;
-           
-       my $cachehit = $1;
+
+    my $cachehit = reflog_cache_lookup
+       "refs/$splitbraincache", $splitbrain_cachekey;
+
+    if ($cachehit) {
        unpack_playtree_mkwork($headref);
        my $saved = maybe_split_brain_save $headref, $cachehit, "cache-hit";
        if ($cachehit ne $headref) {
@@ -5784,8 +5755,6 @@ sub quilt_check_splitbrain_cache ($$) {
        progress "dgit view: found cached, no changes required";
        return ($headref, $splitbrain_cachekey);
     }
-    die $! if GC->error;
-    failedcmd unless close GC;
 
     printdebug "splitbrain cache miss\n";
     return (undef, $splitbrain_cachekey);
@@ -5953,12 +5922,16 @@ END
 
     my @failsuggestion;
     if (!($diffbits->{O2H} & $diffbits->{O2A})) {
-        push @failsuggestion, "This might be a patches-unapplied branch.";
-    }  elsif (!($diffbits->{H2A} & $diffbits->{O2A})) {
-        push @failsuggestion, "This might be a patches-applied branch.";
-    }
-    push @failsuggestion, "Maybe you need to specify one of".
-        " --[quilt=]gbp --[quilt=]dpm --quilt=unapplied ?";
+        push @failsuggestion, [ 'unapplied',
+                              "This might be a patches-unapplied branch." ];
+    } elsif (!($diffbits->{H2A} & $diffbits->{O2A})) {
+        push @failsuggestion, [ 'applied',
+                               "This might be a patches-applied branch." ];
+    }
+    push @failsuggestion, [ 'quilt-mode', "Maybe you need to specify one of".
+        " --[quilt=]gbp --[quilt=]dpm --quilt=unapplied ?" ],
+           [ 'origs',
+ "Maybe orig tarball(s) are not identical to git representation?" ];
 
     if (quiltmode_splitbrain()) {
        quiltify_splitbrain($clogp, $unapplied, $headref, $oldtiptree,