When 'difftool --dir-diff' finds no changes, it results in an
uninitialized variable warning.
Signed-off-by: Tim Henigan <tim.henigan@xxxxxxxxx>
---
git-difftool.perl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/git-difftool.perl b/git-difftool.perl
index 679a56d..c94557d 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) if ((not defined($diffrtn)) or (length($diffrtn) == 0));
# Setup temp directories
my $tmpdir = tempdir('git-diffall.XXXXX', CLEANUP => 1, TMPDIR => 1);
--
1.7.11.1.134.gda62046
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