t7607: use test-lib functions and check MERGE_HEAD

diff --git a/git-svn.perl b/git-svn.perl
index 9b046b693fe82c992b3844bf6e8f79214dfa7a59..18cfb2466d11aa28a795e3dabac70e236061fbe9 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -1513,7 +1513,8 @@ sub cmt_sha2rev_batch {
 
 sub working_head_info {
        my ($head, $refs) = @_;
-       my @args = ('log', '--no-color', '--first-parent', '--pretty=medium');
+       my @args = qw/log --no-color --no-decorate --first-parent
+                     --pretty=medium/;
        my ($fh, $ctx) = command_output_pipe(@args, $head);
        my $hash;
        my %max;
@@ -3118,9 +3119,10 @@ sub _rev_list {
 sub check_cherry_pick {
        my $base = shift;
        my $tip = shift;
+       my $parents = shift;
        my @ranges = @_;
        my %commits = map { $_ => 1 }
-               _rev_list("--no-merges", $tip, "--not", $base);
+               _rev_list("--no-merges", $tip, "--not", $base, @$parents);
        for my $range ( @ranges ) {
                delete @commits{_rev_list($range)};
        }
@@ -3296,6 +3298,7 @@ sub find_extra_svn_parents {
                # double check that there are no missing non-merge commits
                my (@incomplete) = check_cherry_pick(
                        $merge_base, $merge_tip,
+                       $parents,
                        @$ranges,
                       );