X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=dgit;h=77f8819ef8858307c636aafbfdd9e956053d1d94;hb=7fd3c5ea27a4713cbd9673fd63970e2e0123d332;hp=2069298b906741e9d6f2a93f5afe793ccf5146c4;hpb=a9fe4afebac6f0450fa7ed5ff73b8d6d7792fe32;p=dgit.git

diff --git a/dgit b/dgit
index 2069298b..77f8819e 100755
--- a/dgit
+++ b/dgit
@@ -2532,8 +2532,8 @@ sub quiltify_tree_sentinelfiles ($) {
     return $r;
 }
 
-sub quiltify ($$) {
-    my ($clogp,$target) = @_;
+sub quiltify ($$$) {
+    my ($clogp,$target,$unapplied) = @_;
 
     # Quilt patchification algorithm
     #
@@ -2560,8 +2560,6 @@ sub quiltify ($$) {
     # should be contained within debian/patches.
 
     changedir '../fake';
-    remove_stray_gits();
-    mktree_in_ud_here();
     rmtree '.pc';
     runcmd @git, qw(add -Af .);
     my $oldtiptree=git_write_tree();
@@ -2884,6 +2882,18 @@ sub quilt_fixup_multipatch ($$$) {
     #     5. If we had a .pc in-tree, delete it, and git-commit
     #     6. Back in the main tree, fast forward to the new HEAD
 
+    # Another situation we may have to cope with is gbp-style
+    # patches-unapplied trees.  We want to detect these, so we know
+    # to escape into quilt_fixup_gbp.
+    #
+    # A gbp-style tree is one which is not a clean patches-applied
+    # tree, but _is_ a clean patches-unapplied tree.
+    #
+    # To help detect this, when we are extracting the fake dsc, we
+    # first extract it with --skip-patches, and then apply the patches
+    # afterwards with dpkg-source --before-build.  That lets us save a
+    # tree object corresponding to .origs.
+
     my $fakeversion="$upstreamversion-~~DGITFAKE";
 
     my $fakedsc=new IO::File 'fake.dsc', '>' or die $!;
@@ -2909,7 +2919,8 @@ END
 
     quilt_fixup_linkorigs($upstreamversion, $dscaddfile);
 
-    my @files=qw(debian/source/format debian/rules);
+    my @files=qw(debian/source/format debian/rules
+                 debian/control debian/changelog);
     foreach my $maybe (qw(debian/patches debian/source/options)) {
         next unless stat_exists "../../../$maybe";
         push @files, $maybe;
@@ -2921,11 +2932,30 @@ END
     $dscaddfile->($debtar);
     close $fakedsc or die $!;
 
-    runcmd qw(sh -ec), 'exec dpkg-source --no-check -x fake.dsc >/dev/null';
+    runcmd qw(sh -ec),
+        'exec dpkg-source --no-check --skip-patches -x fake.dsc >/dev/null';
 
     my $fakexdir= $package.'-'.(stripepoch $upstreamversion);
     rename $fakexdir, "fake" or die "$fakexdir $!";
 
+    changedir 'fake';
+
+    remove_stray_gits();
+    mktree_in_ud_here();
+
+    rmtree '.pc';
+
+    runcmd @git, qw(add -Af .);
+    my $unapplied=git_write_tree();
+    printdebug "fake orig tree object $unapplied\n";
+
+    ensuredir '.pc';
+
+    runcmd qw(sh -ec),
+        'exec dpkg-source --before-build . >/dev/null';
+
+    changedir '..';
+
     quilt_fixup_mkwork($headref);
 
     my $mustdeletepc=0;
@@ -2937,7 +2967,7 @@ END
         rename '../fake/.pc','.pc' or die $!;
     }
 
-    quiltify($clogp,$headref);
+    quiltify($clogp,$headref,$unapplied);
 
     if (!open P, '>>', ".pc/applied-patches") {
 	$!==&ENOENT or die $!;