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 <rosslagerwall@xxxxxxxxx>
---
git-difftool.perl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/git-difftool.perl b/git-difftool.perl
index 17d4de6..edd0493 100755
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -138,7 +138,7 @@ sub setup_dir_diff
my @gitargs = ('diff', '--raw', '--no-abbrev', '-z', @ARGV);
my $diffrtn = $diffrepo->command_oneline(@gitargs);
- exit(0) if (length($diffrtn) == 0);
+ exit(0) unless defined($diffrtn);
# Build index info for left and right sides of the diff
my $submodule_mode = '160000';
--
1.7.11.4
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