X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=git-debrebase;h=c999dd62c89390f5ffdee37b2d502245515ab6bd;hb=4297c0a55a779c5fbc5032b962d1bd766b33b581;hp=c4fabe3e2302a75c59faea289e7353e72136cf3c;hpb=5c0d9155bf5f2e9e945ba2a117074d31e9c4ae80;p=dgit.git

diff --git a/git-debrebase b/git-debrebase
index c4fabe3e..c999dd62 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -110,7 +110,7 @@ use POSIX;
 use Data::Dumper;
 use Getopt::Long qw(:config posix_default gnu_compat bundling);
 
-use Debian::Dgit qw(:DEFAULT $wa);
+use Debian::Dgit qw(:DEFAULT :playground);
 
 sub badusage ($) {
     my ($m) = @_;
@@ -131,9 +131,8 @@ memoize('cfg');
 
 sub get_commit ($) {
     my ($objid) = @_;
-    my ($type,$data) = git_cat_file $objid;
-    die unless $type eq 'commit';
-    $data =~ m/(?<=\n)\n/;
+    my $data = git_cat_file $objid, 'commit';
+    $data =~ m/(?<=\n)\n/ or die "$objid ($data) ?";
     return ($`,$');
 }
 
@@ -142,10 +141,27 @@ sub D_UPS ()     { return 0x2; } # upstream files
 sub D_PAT_ADD () { return 0x4; } # debian/patches/ extra patches at end
 sub D_PAT_OTH () { return 0x8; } # debian/patches other changes
 
-our $rd = ".git/git-debrebase";
-our $ud = "$rd/work";
+
+our $playprefix = 'debrebase';
+our $rd;
+
 our @git = qw(git);
 
+sub in_workarea ($) {
+    my ($sub) = @_;
+    changedir "$playground/work";
+    my $r = eval { $sub->(); };
+    changedir $maindir;
+}
+
+sub fresh_workarea () {
+    do {
+	local $playground;
+	fresh_playground "$playprefix/work";
+    };
+    in_workarea sub { playtree_setup };
+}
+
 sub get_differs ($$) {
     my ($x,$y) = @_;
     # This resembles quiltify_trees_differ, in dgit, a bit.
@@ -359,7 +375,7 @@ sub classify ($) {
 			   Contributor => $bytime[1]);
     }
     foreach my $p (@p) {
-	my ($p_h, $p_m) = get_commit $p;
+	my ($p_h, $p_m) = get_commit $p->{CommitId};
 	$p->{IsOrigin} = $p_h !~ m/^parent \w+$/m;
 	($p->{IsDgitImport},) = $p_m =~ m/^\[dgit import ([0-9a-z]+) .*\]$/m;
     }
@@ -376,6 +392,8 @@ sub classify ($) {
     my ($stype, $series) = git_cat_file "$t:debian/patches/series";
     my $haspatches = $stype ne 'missing' && $series =~ m/^\s*[^#\n\t ]/m;
 
+@p = reverse @p; #xxx
+
     # How to decide about l/r ordering of breakwater merges ?  git
     # --topo-order prefers to expand 2nd parent first.  There's
     # already an easy rune to look for debian/ history anyway (git log
@@ -569,13 +587,13 @@ sub walk ($;$$) {
 
     # Now we build it back up again
 
-    workarea_fresh();
+    fresh_workarea();
 
     my $rewriting = 0;
 
     my $rm_tree_cached = sub {
 	my ($subdir) = @_;
-	runcmd @git, qw(rm --quiet -rf --cached), $subdir;
+	runcmd @git, qw(rm --quiet -rf --cached --ignore-unmatch), $subdir;
     };
     my $read_tree_debian = sub {
 	my ($treeish) = @_;
@@ -660,7 +678,7 @@ sub update_head ($$$) {
 }
 
 sub cmd_launder () {
-    badusage "no arguments to launder allowed";
+    badusage "no arguments to launder allowed" if @ARGV;
     my $old = get_head();
     my ($tip,$breakwater) = walk $old;
     update_head $old, $tip, 'launder';
@@ -689,6 +707,9 @@ enabledebug if $debuglevel;
 my $toplevel = cmdoutput @git, qw(rev-parse --show-toplevel);
 chdir $toplevel or die "chdir $toplevel: $!";
 
+fresh_playground $playprefix;
+$rd = ensure_a_playground "playprefix/misc";
+
 my $cmd = shift @ARGV;
 my $cmdfn = $cmd;
 $cmdfn =~ y/-/_/;