Sync with 2.30.3

[thirdparty/git.git] / symlinks.c

diff --git a/symlinks.c b/symlinks.c
index 69d458a24d531be606bb43d360a9020d530557c8..7dbb6b23d9cf35428e6ace715452ea424c69759e 100644 (file)
--- a/symlinks.c
+++ b/symlinks.c
@@ -267,6 +267,13 @@ int has_dirs_only_path(const char *name, int len, int prefix_len)
  */
 static int threaded_has_dirs_only_path(struct cache_def *cache, const char *name, int len, int prefix_len)
 {
+       /*
+        * Note: this function is used by the checkout machinery, which also
+        * takes care to properly reset the cache when it performs an operation
+        * that would leave the cache outdated. If this function starts caching
+        * anything else besides FL_DIR, remember to also invalidate the cache
+        * when creating or deleting paths that might be in the cache.
+        */
        return lstat_cache(cache, name, len,
                           FL_DIR|FL_FULLPATH, prefix_len) &
                FL_DIR;
@@ -321,3 +328,20 @@ void remove_scheduled_dirs(void)
 {
        do_remove_scheduled_dirs(0);
 }
+
+void invalidate_lstat_cache(void)
+{
+       reset_lstat_cache(&default_cache);
+}
+
+#undef rmdir
+int lstat_cache_aware_rmdir(const char *path)
+{
+       /* Any change in this function must be made also in `mingw_rmdir()` */
+       int ret = rmdir(path);
+
+       if (!ret)
+               invalidate_lstat_cache();
+
+       return ret;
+}