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-rwxr-xr-xgit-difftool.perl6
1 files changed, 6 insertions, 0 deletions
diff --git a/git-difftool.perl b/git-difftool.perl
index bd828c2..ba5e60a 100755
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -82,5 +82,11 @@ sub generate_command
}
setup_environment();
+
+# ActiveState Perl for Win32 does not implement POSIX semantics of
+# exec* system call. It just spawns the given executable and finishes
+# the starting program, exiting with code 0.
+# system will at least catch the errors returned by git diff,
+# allowing the caller of git difftool better handling of failures.
my $rc = system(generate_command());
exit($rc | ($rc >> 8));