X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=git-debrebase;h=5d3c7426da687046ae3dccabc134cab99f484458;hp=7b2e4f311dfbdf64813d14cb2bac92184837a6ff;hb=8b650aeb481a3a4cb71325b6b7255194589c7612;hpb=9cda023c0c49449a1d5862483df8d785e062765b

diff --git a/git-debrebase b/git-debrebase
index 7b2e4f31..5d3c7426 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -573,7 +573,7 @@ sub keycommits ($;$$$$) {
     my ($anchor, $breakwater);
     my $clogonly;
     my $cl;
-    $fatal //= sub { fail $_[2]; };
+    $fatal //= sub { fail $_[1]; };
     my $x = sub {
 	my ($cb, $tagsfx, $mainwhy, $xwhy) = @_;
 	my $why = $mainwhy.$xwhy;
@@ -679,10 +679,11 @@ sub walk ($;$$) {
 	if ($nogenerate) {
 	    return (undef,undef);
 	}
-	die "commit $cur: Cannot cope with this commit (d.".
+	fail "found unprocessable commit, cannot cope:".
+	    (defined $cl->{Why} ? "; $cl->{Why}": '').
+	    " (commit $cur) (d.".
 	    (join ' ', map { sprintf "%#x", $_->{Differs} }
 	     @{ $cl->{Parents} }).
-	    (defined $cl->{Why} ? "; $cl->{Why}": '').
 		 ")";
     };
 
@@ -970,7 +971,8 @@ sub defaultcmd_rebase () {
 }
 
 sub cmd_analyse () {
-    die if ($ARGV[0]//'') =~ m/^-/;
+    badusage "analyse does not support any options"
+	if @ARGV and $ARGV[0] =~ m/^-/;
     badusage "too many arguments to analyse" if @ARGV>1;
     my ($old) = @ARGV;
     if (defined $old) {
@@ -1160,23 +1162,12 @@ sub do_stitch ($;$) {
     stitch($dangling_head, $ffq_prev, $gdrlast, $ffq_prev_commitish, $prose);
 }
 
-sub cmd_new_upstream () {
-    # automatically and unconditionally launders before rebasing
-    # if rebase --abort is used, laundering has still been done
-
-    my %pieces;
+sub resolve_upstream_version ($$) {
+    my ($new_upstream, $version) = @_;
 
-    badusage "need NEW-VERSION [UPS-COMMITTISH]" unless @ARGV >= 1;
+    my $new_upstream_version = "$version";
+    $new_upstream_version =~ s/-.*?$//;;
 
-    # parse args - low commitment
-    my $spec_version = shift @ARGV;
-    my $new_version = (new Dpkg::Version $spec_version, check => 1);
-    if ($new_version->is_native()) {
-	$new_version = (new Dpkg::Version "$spec_version-1", check => 1);
-    }
-    my $new_upstream_version = $new_version->version();
-
-    my $new_upstream = shift @ARGV;
     if (!defined $new_upstream) {
 	my @tried;
 	# todo: at some point maybe use git-deborig to do this
@@ -1194,6 +1185,30 @@ sub cmd_new_upstream () {
     }
     $new_upstream = git_rev_parse $new_upstream;
 
+    return ($new_upstream, $new_upstream_version);
+}
+
+sub cmd_new_upstream () {
+    # automatically and unconditionally launders before rebasing
+    # if rebase --abort is used, laundering has still been done
+
+    my %pieces;
+
+    badusage "need NEW-VERSION [UPS-COMMITTISH]" unless @ARGV >= 1;
+
+    # parse args - low commitment
+    my $spec_version = shift @ARGV;
+    my $new_version = (new Dpkg::Version $spec_version, check => 1);
+    fail "bad version number \`$spec_version'" unless defined $new_version;
+    if ($new_version->is_native()) {
+	$new_version = (new Dpkg::Version "$spec_version-1", check => 1);
+    }
+
+    my $new_upstream = shift @ARGV;
+    my $new_upstream_version;
+    ($new_upstream, $new_upstream_version) =
+	resolve_upstream_version $new_upstream, $new_version;
+
     record_ffq_auto();
 
     my $piece = sub {
@@ -1658,7 +1673,7 @@ sub cmd_convert_from_gbp () {
 	print STDERR "cannot stitch in dgit view: $@\n";
     }
 
-    snags_maybe_bail();
+    snags_maybe_bail_early();
 
     my $work;
 
@@ -1696,6 +1711,8 @@ sub cmd_convert_from_gbp () {
 	}
     };
 
+    ffq_check $work;
+    snags_maybe_bail();
     update_head_checkout $old_head, $work, 'convert-from-gbp';
 }