config: only read .git/config from configured repos

diff --git a/diff-no-index.c b/diff-no-index.c
index 8e0fd270b5be4d9ab8616ab57202862dd2fc6eda..59237a626727864c786aca078564b632da08f294 100644 (file)
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -237,12 +237,12 @@ static void fixup_paths(const char **path, struct strbuf *replacement)
 }
 
 void diff_no_index(struct rev_info *revs,
-                  int argc, const char **argv,
-                  const char *prefix)
+                  int argc, const char **argv)
 {
        int i, prefixlen;
        const char *paths[2];
        struct strbuf replacement = STRBUF_INIT;
+       const char *prefix = revs->prefix;
 
        diff_setup(&revs->diffopt);
        for (i = 1; i < argc - 2; ) {
@@ -252,7 +252,8 @@ void diff_no_index(struct rev_info *revs,
                else if (!strcmp(argv[i], "--"))
                        i++;
                else {
-                       j = diff_opt_parse(&revs->diffopt, argv + i, argc - i);
+                       j = diff_opt_parse(&revs->diffopt, argv + i, argc - i,
+                                          revs->prefix);
                        if (j <= 0)
                                die("invalid diff option/value: %s", argv[i]);
                        i += j;
@@ -281,6 +282,9 @@ void diff_no_index(struct rev_info *revs,
 
        DIFF_OPT_SET(&revs->diffopt, NO_INDEX);
 
+       DIFF_OPT_SET(&revs->diffopt, RELATIVE_NAME);
+       revs->diffopt.prefix = prefix;
+
        revs->max_count = -2;
        diff_setup_done(&revs->diffopt);