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-rwxr-xr-xgit-difftool.perl11
1 files changed, 10 insertions, 1 deletions
diff --git a/git-difftool.perl b/git-difftool.perl
index 30574801be..92f4907bbc 100755
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -370,7 +370,16 @@ sub dir_diff
# external tool did not replace the original link with a file.
for my $file (@worktree) {
next if $symlinks && -l "$b/$file";
- if (-f "$b/$file" && compare("$b/$file", "$workdir/$file")) {
+ next if ! -f "$b/$file";
+
+ my $diff = compare("$b/$file", "$workdir/$file");
+ if ($diff == 0) {
+ next;
+ } elsif ($diff == -1) {
+ my $errmsg = "warning: Could not compare ";
+ $errmsg += "'$b/$file' with '$workdir/$file'\n";
+ warn $errmsg;
+ } elsif ($diff == 1) {
copy("$b/$file", "$workdir/$file") or die $!;
my $mode = stat("$b/$file")->mode;
chmod($mode, "$workdir/$file") or die $!;