real_path_internal(): add comment explaining use of cwd

diff --git a/revision.c b/revision.c
index dc3fecf903aa0ce4927b9ebe5b95f99cc9c1018d..ae12e11fb74dcc51bfddd2acf94601b2bfba7811 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -1598,6 +1598,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
        } else if ((argcount = parse_long_opt("grep", argv, &optarg))) {
                add_message_grep(revs, optarg);
                return argcount;
+       } else if (!strcmp(arg, "--grep-debug")) {
+               revs->grep_filter.debug = 1;
        } else if (!strcmp(arg, "--extended-regexp") || !strcmp(arg, "-E")) {
                revs->grep_filter.regflags |= REG_EXTENDED;
        } else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {