git-check-attr: Handle each error separately

diff --git a/git-svn.perl b/git-svn.perl
index 7849cfc141d384bc28479c2f37fd128c77fe0fbe..89f83fd27abe315804173a809b3c7ef00ead6527 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -3124,8 +3124,12 @@ sub lookup_svn_merge {
                        next;
                }
 
-               push @merged_commit_ranges,
-                       "$bottom_commit^..$top_commit";
+               if (scalar(command('rev-parse', "$bottom_commit^@"))) {
+                       push @merged_commit_ranges,
+                            "$bottom_commit^..$top_commit";
+               } else {
+                       push @merged_commit_ranges, "$top_commit";
+               }
 
                if ( !defined $tip or $top > $tip ) {
                        $tip = $top;
@@ -3154,9 +3158,9 @@ sub check_cherry_pick {
        my $parents = shift;
        my @ranges = @_;
        my %commits = map { $_ => 1 }
-               _rev_list("--no-merges", $tip, "--not", $base, @$parents);
+               _rev_list("--no-merges", $tip, "--not", $base, @$parents, "--");
        for my $range ( @ranges ) {
-               delete @commits{_rev_list($range)};
+               delete @commits{_rev_list($range, "--")};
        }
        for my $commit (keys %commits) {
                if (has_no_changes($commit)) {