difftool: Use eval to expand '--extcmd' expressions

diff --git a/pack-redundant.c b/pack-redundant.c
index 69a7ab2e27d39ecabca5c0cc25c4e372caafb46c..21c61dbbe9bd5e2f9770109bc4a9daaf2a2f6cc4 100644 (file)
--- a/pack-redundant.c
+++ b/pack-redundant.c
@@ -603,6 +603,9 @@ int main(int argc, char **argv)
 
        git_extract_argv0_path(argv[0]);
 
+       if (argc == 2 && !strcmp(argv[1], "-h"))
+               usage(pack_redundant_usage);
+
        setup_git_directory();
 
        for (i = 1; i < argc; i++) {