disable t4016-diff-quote.sh on some filesystems

diff --git a/builtin-blame.c b/builtin-blame.c
index 7a5665f093d7861fdab8a57f9f98c371210525b3..530b97f97d2661d53a39d2101eeadd86be2e6b00 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -2097,17 +2097,17 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                        output_option |= OUTPUT_LONG_OBJECT_NAME;
                else if (!strcmp("-S", arg) && ++i < argc)
                        revs_file = argv[i];
-               else if (!strncmp("-M", arg, 2)) {
+               else if (!prefixcmp(arg, "-M")) {
                        opt |= PICKAXE_BLAME_MOVE;
                        blame_move_score = parse_score(arg+2);
                }
-               else if (!strncmp("-C", arg, 2)) {
+               else if (!prefixcmp(arg, "-C")) {
                        if (opt & PICKAXE_BLAME_COPY)
                                opt |= PICKAXE_BLAME_COPY_HARDER;
                        opt |= PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE;
                        blame_copy_score = parse_score(arg+2);
                }
-               else if (!strncmp("-L", arg, 2)) {
+               else if (!prefixcmp(arg, "-L")) {
                        if (!arg[2]) {
                                if (++i >= argc)
                                        usage(blame_usage);
@@ -2203,6 +2203,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                        if (!strcmp(argv[j], "--"))
                                seen_dashdash = j;
                if (seen_dashdash) {
+                       /* (2) */
                        if (seen_dashdash + 1 != argc - 1)
                                usage(blame_usage);
                        path = add_prefix(prefix, argv[seen_dashdash + 1]);
@@ -2211,6 +2212,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                }
                else {
                        /* (3) */
+                       if (argc <= i)
+                               usage(blame_usage);
                        path = add_prefix(prefix, argv[i]);
                        if (i + 1 == argc - 1) {
                                final_commit_name = argv[i + 1];