X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=git-debrebase;h=a2a14ca654eaaef818a7081f773d4eac5ba10ed1;hp=907ebfeb755e0c3b00613f502266f7e8d154bda2;hb=32302c566f46426687ae9dcccec2f16ddeb56e4b;hpb=fe63aca9ed9d55d546a8cb5cd83053bbaaafe309

diff --git a/git-debrebase b/git-debrebase
index 907ebfeb..a2a14ca6 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -595,6 +595,7 @@ sub keycommits ($;$$$$) {
     my ($anchor, $breakwater);
     my $clogonly;
     my $cl;
+    my $found_pm;
     $fatal //= sub { fail $_[1]; };
     my $x = sub {
 	my ($cb, $tagsfx, $mainwhy, $xwhy) = @_;
@@ -634,12 +635,20 @@ sub keycommits ($;$$$$) {
 	    $breakwater = undef;
 	} elsif ($ty eq 'Pseudomerge' or
 		 $ty eq 'AddPatches') {
+	    my $found_pm = 1;
 	    $x->($furniture, (lc $ty),
 		 "found interchange bureaucracy commit ($ty)"," ($head)");
 	} elsif ($ty eq 'DgitImportUnpatched') {
-	    $x->($trouble, 'dgitimport',
-		 "found dgit dsc import ($head)");
-	    return (undef,undef);
+	    if ($found_pm) {
+		$x->($trouble, 'dgitimport',
+		     "found dgit dsc import"," ($head)");
+		return (undef,undef);
+	    } else {
+		$x->($fatal, 'unprocessable',
+		     "found bare dgit dsc import with no prior history",
+		     " ($head)");
+		return (undef,undef);
+	    }
 	} else {
 	    $x->($fatal, 'unprocessable',
 		 "found unprocessable commit, cannot cope: $cl->{Why}",
@@ -814,13 +823,12 @@ sub walk ($;$$) {
 		next;
 	    } else {
 		# Everything is from this import.  This kind of import
-		# is already in valid breakwater format, with the
-		# patches as commits.
-		printf $report " NoPM" if $report;
-		# last thing we processed will have been the first patch,
-		# if there is one; which is fine, so no need to rewrite
-		# on account of this import
-		$build_start->("ImportOrigin", $cur);
+		# is already nearly in valid breakwater format, with the
+		# patches as commits.  Unfortunately it contains
+		# debian/patches/.
+		printdebug "*** WALK BOMB bare dgit import\n";
+		$cl->{Why} = "bare dgit dsc import";
+		return $bomb->();
 	    }
 	    die "$ty ?";
         } else {
@@ -1184,21 +1192,23 @@ sub do_stitch ($;$) {
     stitch($dangling_head, $ffq_prev, $gdrlast, $ffq_prev_commitish, $prose);
 }
 
-sub resolve_upstream_version ($$) {
-    my ($new_upstream, $version) = @_;
+sub upstream_commitish_search ($$) {
+    my ($upstream_version, $tried) = @_;
+    # todo: at some point maybe use git-deborig to do this
+    foreach my $tagpfx ('', 'v', 'upstream/') {
+	my $tag = $tagpfx.(dep14_version_mangle $upstream_version);
+	my $new_upstream = git_get_ref "refs/tags/$tag";
+	push @$tried, $tag;
+	return $new_upstream if length $new_upstream;
+    }
+}
 
-    my $new_upstream_version = "$version";
-    $new_upstream_version =~ s/-.*?$//;;
+sub resolve_upstream_version ($$) {
+    my ($new_upstream, $upstream_version) = @_;
 
     if (!defined $new_upstream) {
 	my @tried;
-	# todo: at some point maybe use git-deborig to do this
-	foreach my $tagpfx ('', 'v', 'upstream/') {
-	    my $tag = $tagpfx.(dep14_version_mangle $new_upstream_version);
-	    $new_upstream = git_get_ref "refs/tags/$tag";
-	    last if length $new_upstream;
-	    push @tried, $tag;
-	}
+	$new_upstream = upstream_commitish_search $upstream_version, \@tried;
 	if (!length $new_upstream) {
 	    fail "Could not determine appropriate upstream commitish.\n".
 		" (Tried these tags: @tried)\n".
@@ -1207,7 +1217,7 @@ sub resolve_upstream_version ($$) {
     }
     $new_upstream = git_rev_parse $new_upstream;
 
-    return ($new_upstream, $new_upstream_version);
+    return $new_upstream;
 }
 
 sub cmd_new_upstream () {
@@ -1227,9 +1237,9 @@ sub cmd_new_upstream () {
     }
 
     my $new_upstream = shift @ARGV;
-    my $new_upstream_version;
-    ($new_upstream, $new_upstream_version) =
-	resolve_upstream_version $new_upstream, $new_version;
+    my $new_upstream_version = upstreamversion  $new_version;
+    $new_upstream =
+	resolve_upstream_version $new_upstream, $new_upstream_version;
 
     record_ffq_auto();
 
@@ -1636,8 +1646,9 @@ sub cmd_convert_from_gbp () {
 
     my ($upstream_spec) = @ARGV;
 
-    my ($upstream, $upstream_version) =
-	resolve_upstream_version($upstream_spec, $version);
+    my $upstream_version = upstreamversion $version;
+    my $upstream =
+	resolve_upstream_version($upstream_spec, $upstream_version);
 
     my $old_head = get_head();