merge_trees(): ensure that the callers release output buffer

diff --git a/cache.h b/cache.h
index 2bf97cc55f1170d25549b76144993acea1a807b5..3855ddfbe659569a2156b8783d53f7838b6a940f 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -632,6 +632,7 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
 #define REFRESH_IGNORE_SUBMODULES      0x0010  /* ignore submodules */
 #define REFRESH_IN_PORCELAIN   0x0020  /* user friendly output, not "needs update" */
 extern int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg);
+extern struct cache_entry *refresh_cache_entry(struct cache_entry *, unsigned int);
 
 extern void update_index_if_able(struct index_state *, struct lock_file *);
 
@@ -1003,6 +1004,11 @@ int adjust_shared_perm(const char *path);
  * directory while we were working.  To be robust against this kind of
  * race, callers might want to try invoking the function again when it
  * returns SCLD_VANISHED.
+ *
+ * safe_create_leading_directories() temporarily changes path while it
+ * is working but restores it before returning.
+ * safe_create_leading_directories_const() doesn't modify path, even
+ * temporarily.
  */
 enum scld_error {
        SCLD_OK = 0,