git-debrebase: merge: Break out $mdebug

NFC.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/git-debrebase b/git-debrebase
index 830cfd5ea978586b68a6e995936bcf68e9dac7f7..62381e1de83c8fc1440e578593f0bf8422cdb632 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -552,8 +552,8 @@ sub merge_series ($$$;@) {
        runcmd @git, qw(commit --allow-empty -q -m M-INDEX);
        runcmd @git, qw(add .);
        runcmd @git, qw(commit --allow-empty -q -m M-WORKTREE);
-       printdebug sprintf "merge_series done debug=%s\n",
-           git_rev_parse 'HEAD';
+       my $mdebug = git_rev_parse 'HEAD';
+       printdebug sprintf "merge_series done debug=%s\n", $mdebug;
     };
     printdebug "merge_series returns $result\n";
     return $result;