untracked cache: guard and disable on system changes

diff --git a/cache.h b/cache.h
index 4d02efc905456e61ce841ec1db2cc19491346257..1392be1030ebb9b5e83221e0fac821646d02d75d 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -289,8 +289,11 @@ static inline unsigned int canon_mode(unsigned int mode)
 #define RESOLVE_UNDO_CHANGED   (1 << 4)
 #define CACHE_TREE_CHANGED     (1 << 5)
 #define SPLIT_INDEX_ORDERED    (1 << 6)
+#define UNTRACKED_CHANGED      (1 << 7)
 
 struct split_index;
+struct untracked_cache;
+
 struct index_state {
        struct cache_entry **cache;
        unsigned int version;
@@ -304,6 +307,7 @@ struct index_state {
        struct hashmap name_hash;
        struct hashmap dir_hash;
        unsigned char sha1[20];
+       struct untracked_cache *untracked;
 };
 
 extern struct index_state the_index;
@@ -552,6 +556,8 @@ extern void fill_stat_data(struct stat_data *sd, struct stat *st);
  * INODE_CHANGED, and DATA_CHANGED.
  */
 extern int match_stat_data(const struct stat_data *sd, struct stat *st);
+extern int match_stat_data_racy(const struct index_state *istate,
+                               const struct stat_data *sd, struct stat *st);
 
 extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
 
@@ -568,7 +574,7 @@ extern void update_index_if_able(struct index_state *, struct lock_file *);
 extern int hold_locked_index(struct lock_file *, int);
 extern void set_alternate_index_output(const char *);
 
-extern int delete_ref(const char *, const unsigned char *sha1, int delopt);
+extern int delete_ref(const char *, const unsigned char *sha1, unsigned int flags);
 
 /* Environment bits from configuration mechanism */
 extern int trust_executable_bit;