tree-diff: rework diff_tree interface to be sha1 based

diff --git a/remote.h b/remote.h
index 131130a611b55c9f79649037e6dde916b621f578..fb7647fab92aef651fbf2eb4118232a550450a55 100644 (file)
--- a/remote.h
+++ b/remote.h
@@ -109,6 +109,7 @@ struct ref {
                REF_STATUS_REJECT_FETCH_FIRST,
                REF_STATUS_REJECT_NEEDS_FORCE,
                REF_STATUS_REJECT_STALE,
+               REF_STATUS_REJECT_SHALLOW,
                REF_STATUS_UPTODATE,
                REF_STATUS_REMOTE_REJECT,
                REF_STATUS_EXPECTING_REPORT
@@ -128,6 +129,7 @@ struct ref *alloc_ref(const char *name);
 struct ref *copy_ref(const struct ref *ref);
 struct ref *copy_ref_list(const struct ref *ref);
 void sort_ref_list(struct ref **, int (*cmp)(const void *, const void *));
+extern int count_refspec_match(const char *, struct ref *refs, struct ref **matched_ref);
 int ref_compare_name(const void *, const void *);
 
 int check_ref_type(const struct ref *ref, int flags);
@@ -137,27 +139,30 @@ int check_ref_type(const struct ref *ref, int flags);
  */
 void free_refs(struct ref *ref);
 
-struct extra_have_objects {
-       int nr, alloc;
-       unsigned char (*array)[20];
-};
+struct sha1_array;
 extern struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                                     struct ref **list, unsigned int flags,
-                                    struct extra_have_objects *);
+                                    struct sha1_array *extra_have,
+                                    struct sha1_array *shallow);
 
 int resolve_remote_symref(struct ref *ref, struct ref *list);
 int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1);
 
 /*
- * Removes and frees any duplicate refs in the map.
+ * Remove and free all but the first of any entries in the input list
+ * that map the same remote reference to the same local reference.  If
+ * there are two entries that map different remote references to the
+ * same local reference, emit an error message and die.  Return a
+ * pointer to the head of the resulting list.
  */
-void ref_remove_duplicates(struct ref *ref_map);
+struct ref *ref_remove_duplicates(struct ref *ref_map);
 
 int valid_fetch_refspec(const char *refspec);
 struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec);
 
 void free_refspec(int nr_refspec, struct refspec *refspec);
 
+extern int query_refspecs(struct refspec *specs, int nr, struct refspec *query);
 char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
                     const char *name);