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| author | Ross Lagerwall <rosslagerwall@gmail.com> | 2012-08-21 12:21:40 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2012-08-21 15:27:15 -0700 |
| commit | ed36e5bd41f7192e42e9b4c573875a343a9daf48 (patch) | |
| tree | b2f2acd049dd5e43d1a5754ba41de65196eb9953 /git-difftool.perl | |
| parent | 755e8b3f35e3991a735a6be740eda4567d45a741 (diff) | |
| download | git-ed36e5bd41f7192e42e9b4c573875a343a9daf48.tar.gz git-ed36e5bd41f7192e42e9b4c573875a343a9daf48.tar.xz | |
difftool: silence warning
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@gmail.com>
Acked-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'git-difftool.perl')
| -rwxr-xr-x | git-difftool.perl | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/git-difftool.perl b/git-difftool.perl index 17d4de661..edd0493a0 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'; |