X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=git-debrebase;h=1a79a280efd7a258af01864402215a64ae95035a;hb=e019247f462f1580abe05ec3c0e7724781a73096;hp=f4831c3c5b6c4f1a8a23cf58a1ebfeb0c074a7ce;hpb=bc3be36a946aeb6485259be594645c3c3d69550f;p=dgit.git

diff --git a/git-debrebase b/git-debrebase
index f4831c3c..1a79a280 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -255,6 +255,12 @@ sub read_tree_subdir ($$) {
     runcmd @git, qw(read-tree), "--prefix=$subdir/", $new_tree_object;
 }
 
+sub read_tree_debian ($) {
+    my ($treeish) = @_;
+    read_tree_subdir 'debian', "$treeish:debian";
+    rm_subdir_cached 'debian/patches';
+}
+
 sub make_commit ($$) {
     my ($parents, $message_paras) = @_;
     my $tree = cmdoutput @git, qw(write-tree);
@@ -310,6 +316,22 @@ sub any_snags () {
     return $snags_forced || $snags_tripped;
 }
 
+sub gbp_pq_export ($$$) {
+    my ($bname, $base, $tip) = @_;
+    # must be run in a workarea.  $bname and patch-queue/$bname
+    # ought not to exist.  Leaves you on patch-queue/$bname with
+    # the patches staged but not committed.
+    runcmd @git, qw(checkout -q -b), $bname, $base;
+    runcmd @git, qw(checkout -q -b), "patch-queue/$bname", $tip;
+    my @gbp_cmd = (qw(gbp pq export));
+    my $r = system shell_cmd 'exec >../gbp-pq-err 2>&1', @gbp_cmd;
+    if ($r) {
+	{ local ($!,$?); copy('../gbp-pq-err', \*STDERR); }
+	failedcmd @gbp_cmd;
+    }
+    runcmd @git, qw(add -f debian/patches);
+}
+
 # classify returns an info hash like this
 #   CommitId => $objid
 #   Hdr => # commit headers, including 1 final newline
@@ -661,14 +683,15 @@ sub keycommits ($;$$$$) {
     return ($anchor, $breakwater);
 }
 
-sub walk ($;$$);
-sub walk ($;$$) {
+sub walk ($;$$$);
+sub walk ($;$$$) {
     my ($input,
-	$nogenerate,$report) = @_;
+	$nogenerate,$report, $report_lprefix) = @_;
     # => ($tip, $breakwater_tip, $last_anchor)
     # (or nothing, if $nogenerate)
 
     printdebug "*** WALK $input ".($nogenerate//0)." ".($report//'-')."\n";
+    $report_lprefix //= '';
 
     # go through commits backwards
     # we generate two lists of commits to apply:
@@ -700,7 +723,7 @@ sub walk ($;$$) {
 
     my $prline = sub {
 	return unless $report;
-	print $report $prdelim, @_;
+	print $report $prdelim, $report_lprefix, @_;
 	$prdelim = "\n";
     };
 
@@ -850,15 +873,10 @@ sub walk ($;$$) {
 
     my $rewriting = 0;
 
-    my $read_tree_debian = sub {
-	my ($treeish) = @_;
-	read_tree_subdir 'debian', "$treeish:debian";
-        rm_subdir_cached 'debian/patches';
-    };
     my $read_tree_upstream = sub {
 	my ($treeish) = @_;
 	runcmd @git, qw(read-tree), $treeish;
-	$read_tree_debian->($build);
+	read_tree_debian($build);
     };
 
     $#upp_cl = $upp_limit if defined $upp_limit;
@@ -886,7 +904,7 @@ sub walk ($;$$) {
 	    printdebug "WALK BUILD ".($cltree//'undef').
 		" $method (rewriting=$rewriting)\n";
 	    if ($method eq 'Debian') {
-		$read_tree_debian->($cltree);
+		read_tree_debian($cltree);
 	    } elsif ($method eq 'Upstream') {
 		$read_tree_upstream->($cltree);
 	    } elsif ($method eq 'StartRewrite') {
@@ -896,7 +914,7 @@ sub walk ($;$$) {
 		$breakwater = $build;
 		next;
 	    } elsif ($method eq 'DgitImportDebianUpdate') {
-		$read_tree_debian->($cltree);
+		read_tree_debian($cltree);
 	    } elsif ($method eq 'DgitImportUpstreamUpdate') {
  		confess unless $rewriting;
 		my $differs = (get_differs $build, $cltree);
@@ -1593,6 +1611,9 @@ sub cmd_conclude () {
 }
 
 sub cmd_scrap () {
+    if (currently_rebasing()) {
+	runcmd @git, qw(rebase --abort);
+    }
     my ($ffq_prev, $gdrlast, $ffq_prev_commitish) = ffq_prev_info();
     if (!$ffq_prev_commitish) {
 	fail "No ongoing git-debrebase session." unless $opt_noop_ok;
@@ -1614,15 +1635,7 @@ sub make_patches_staged ($) {
     my ($secret_head, $secret_bw, $last_anchor) = walk $head;
     fresh_workarea();
     in_workarea sub {
-	runcmd @git, qw(checkout -q -b bw), $secret_bw;
-	runcmd @git, qw(checkout -q -b patch-queue/bw), $secret_head;
-	my @gbp_cmd = (qw(gbp pq export));
-	my $r = system shell_cmd 'exec >../gbp-pq-err 2>&1', @gbp_cmd;
-	if ($r) {
-	    { local ($!,$?); copy('../gbp-pq-err', \*STDERR); }
-	    failedcmd @gbp_cmd;
-	}
-	runcmd @git, qw(add -f debian/patches);
+	gbp_pq_export 'bw', $secret_bw, $secret_head;
     };
 }