Change name of rewrite map ref (needs an extra / for git)

[dgit.git] / dgit

diff --git a/dgit b/dgit
index 7996227a9d4895216eb722111b4aaee699206afc..555e1c00905f30f0da4c18f54ac40c39b8d59ae8 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -96,6 +96,7 @@ our $orig_f_tail_re = "$orig_f_comp_re\\.tar(?:\\.\\w+)?(?:$orig_f_sig_re)?";
 
 our $git_authline_re = '^([^<>]+) \<(\S+)\> (\d+ [-+]\d+)$';
 our $splitbraincache = 'dgit-intern/quilt-cache';
+our $rewritemap = 'dgit-rewrite/map';
 
 our (@git) = qw(git);
 our (@dget) = qw(dget);
@@ -2367,6 +2368,8 @@ END
        my $path = $ENV{PATH} or die;
 
        foreach my $use_absurd (qw(0 1)) {
+           runcmd @git, qw(checkout -q unpa);
+           runcmd @git, qw(update-ref -d refs/heads/patch-queue/unpa);
            local $ENV{PATH} = $path;
            if ($use_absurd) {
                chomp $@;
@@ -2383,11 +2386,12 @@ END
                die "only absurd git-apply!\n" if !$use_absurd
                    && forceing [qw(import-gitapply-absurd)];
 
-               local $ENV{PATH} = $path if $use_absurd;
+               local $ENV{DGIT_ABSURD_DEBUG} = $debuglevel if $use_absurd;
+               local $ENV{PATH} = $path                    if $use_absurd;
 
                my @showcmd = (gbp_pq, qw(import));
                my @realcmd = shell_cmd
-                   'exec >/dev/null 2>../../gbp-pq-output', @showcmd;
+                   'exec >/dev/null 2>>../../gbp-pq-output', @showcmd;
                debugcmd "+",@realcmd;
                if (system @realcmd) {
                    die +(shellquote @showcmd).
@@ -2510,6 +2514,7 @@ sub git_fetch_us () {
            \&debiantag_new, \&debiantag_maintview)
         : debiantags('*',access_nomdistro));
     push @specs, server_branch($csuite);
+    push @specs, $rewritemap;
     push @specs, qw(heads/*) if deliberately_not_fast_forward;
 
     # This is rather miserable:
@@ -2721,6 +2726,18 @@ sub fetch_from_archive () {
        progress "no version available from the archive";
     }
 
+    my $rewritemapdata = git_cat_file lrfetchrefs."/".$rewritemap.':map';
+    if (defined $rewritemapdata
+       && $rewritemapdata =~ m/^$dsc_hash(?:[ \t](\w+))/m) {
+       progress "server's git history rewrite map contains a relevant entry!";
+       $dsc_hash = $1;
+       if (defined $dsc_hash) {
+           progress "using rewritten git hash in place of .dsc value";
+       } else {
+           progress "server data says .dsc hash is to be disregarded";
+       }
+    }
+
     # If the archive's .dsc has a Dgit field, there are three
     # relevant git commitids we need to choose between and/or merge
     # together:
@@ -3271,7 +3288,7 @@ sub clone_finish ($) {
     runcmd qw(bash -ec), <<'END';
         set -o pipefail
         git ls-tree -r --name-only -z HEAD | \
-        xargs -0r touch -r . --
+        xargs -0r touch -h -r . --
 END
     printdone "ready for work in $dstdir";
 }
@@ -3535,7 +3552,7 @@ tree $tree
 parent $dgitview
 parent $archive_hash
 author $authline
-commiter $authline
+committer $authline
 
 $msg_msg
 
@@ -4459,7 +4476,7 @@ END
        local $ENV{'EDITOR'} = cmdoutput qw(realpath --), $0;
        local $ENV{'VISUAL'} = $ENV{'EDITOR'};
        local $ENV{$fakeeditorenv} = cmdoutput qw(realpath --), $descfn;
-       runcmd @dpkgsource, qw(--commit .), $patchname;
+       runcmd @dpkgsource, qw(--commit --include-removal .), $patchname;
     }
 }
 
@@ -4494,17 +4511,21 @@ sub quiltify_trees_differ ($$;$$$) {
 
        if ($unrepres) {
            eval {
-               die "deleted\n" unless $newmode =~ m/[^0]/;
-               die "not a plain file\n" unless $newmode =~ m/^10\d{4}$/;
-               if ($oldmode =~ m/[^0]/) {
+               die "not a plain file\n"
+                   unless $newmode =~ m/^10\d{4}$/ ||
+                          $oldmode =~ m/^10\d{4}$/;
+               if ($oldmode =~ m/[^0]/ &&
+                   $newmode =~ m/[^0]/) {
                    die "mode changed\n" if $oldmode ne $newmode;
                } else {
-                   die "non-default mode\n" unless $newmode =~ m/^100644$/;
+                   die "non-default mode\n"
+                       unless $newmode =~ m/^100644$/ ||
+                              $oldmode =~ m/^100644$/;
                }
            };
            if ($@) {
                local $/="\n"; chomp $@;
-               push @$unrepres, [ $f, $@ ];
+               push @$unrepres, [ $f, "$@ ($oldmode->$newmode)" ];
            }
        }
 
@@ -5937,10 +5958,14 @@ END
            progress "Import, merging.";
            my $tree = cmdoutput @git, qw(rev-parse), "$newhash:";
            my $version = getfield $dsc, 'Version';
+           my $clogp = commit_getclogp $newhash;
+           my $authline = clogp_authline $clogp;
            $newhash = make_commit_text <<END;
 tree $tree
 parent $newhash
 parent $oldhash
+author $authline
+committer $authline
 
 Merge $package ($version) import into $dstbranch
 END