Silence a warning given when running git difftool --dir-diff and
there are no changes.
This is because command_oneline returns undef when the command has no
output, not ''.
Signed-off-by: Ross Lagerwall <rosslagerw...@gmail.com>
---
git-difftool.perl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/git-difftool.perl b/git-difftool.perl
index ae1e052..1cfcbb3 100755
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -117,7 +117,7 @@ sub setup_dir_diff
# by Git->repository->command*.
my $diffrepo = Git->repository(Repository => $repo_path, WorkingCopy =>
$workdir);
my $diffrtn = $diffrepo->command_oneline('diff', '--raw',
'--no-abbrev', '-z', @ARGV);
- exit(0) if (length($diffrtn) == 0);
+ exit(0) unless defined($diffrtn);
# Setup temp directories
my $tmpdir = tempdir('git-diffall.XXXXX', CLEANUP => 1, TMPDIR => 1);
--
1.7.11.4
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