git-mergetool.sh: avoid "test <cond> -a/-o <cond>"

diff --git a/git.c b/git.c
index 9efd1a3ec1f2af63fe575f9c755dff685d9b1e51..778057294892d68b3dee58869cf22265223cab83 100644 (file)
--- a/git.c
+++ b/git.c
@@ -290,7 +290,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
        if (!help) {
                if (p->option & RUN_SETUP)
                        prefix = setup_git_directory();
-               if (p->option & RUN_SETUP_GENTLY) {
+               else if (p->option & RUN_SETUP_GENTLY) {
                        int nongit_ok;
                        prefix = setup_git_directory_gently(&nongit_ok);
                }