Add shortcut in refresh_cache_ent() for marked entries.

When a cache entry has been marked as CE_VALID, the user has
promised us that any change in the work tree does not matter.
Just mark the entry as up-to-date, and continue.

Signed-off-by: Marius Storm-Olsen <marius@trolltech.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/read-cache.c b/read-cache.c
index ac9a8e7e323bb7b0728b2b199ab4f4a9bc5ce22f..8e5fbb619295fe3e4d950e8926d8034d6f825e41 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -893,6 +893,15 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
        if (ce_uptodate(ce))
                return ce;
 
+       /*
+        * CE_VALID means the user promised us that the change to
+        * the work tree does not matter and told us not to worry.
+        */
+       if (!ignore_valid && (ce->ce_flags & CE_VALID)) {
+               ce_mark_uptodate(ce);
+               return ce;
+       }
+
        if (lstat(ce->name, &st) < 0) {
                if (err)
                        *err = errno;