git-merge-cache -o does all the automerges in a single shot

[git.git] / merge-cache.c

diff --git a/merge-cache.c b/merge-cache.c
index b2977cf..4841233 100644 (file)
--- a/merge-cache.c
+++ b/merge-cache.c
@@ -5,6 +5,7 @@
 
 static const char *pgm = NULL;
 static const char *arguments[8];
+static int one_shot;
 static int err;
 
 static void run_program(void)
@@ -25,8 +26,12 @@ static void run_program(void)
                            NULL);
                die("unable to execute '%s'", pgm);
        }
-       if (waitpid(pid, &status, 0) < 0 || !WIFEXITED(status) || WEXITSTATUS(status))
-               err++;
+       if (waitpid(pid, &status, 0) < 0 || !WIFEXITED(status) || WEXITSTATUS(status)) {
+               if (one_shot)
+                       err++;
+               else
+                       die("merge program failed");
+       }
 }
 
 static int merge_entry(int pos, const char *path)
@@ -92,12 +97,17 @@ int main(int argc, char **argv)
        int i, force_file = 0;
 
        if (argc < 3)
-               usage("merge-cache <merge-program> (-a | <filename>*)");
+               usage("merge-cache [-o] <merge-program> (-a | <filename>*)");
 
        read_cache();
 
-       pgm = argv[1];
-       for (i = 2; i < argc; i++) {
+       i = 1;
+       if (!strcmp(argv[1], "-o")) {
+               one_shot = 1;
+               i++;
+       }
+       pgm = argv[i++];
+       for (; i < argc; i++) {
                char *arg = argv[i];
                if (!force_file && *arg == '-') {
                        if (!strcmp(arg, "--")) {