worktree: introduce "add" command

diff --git a/commit.h b/commit.h
index aa8c3ca50af42375caf954e309d76731b4a9295e..bc68ccbe691a28ed9b22fa935c78d2e9640347ea 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -26,13 +26,25 @@ extern int save_commit_buffer;
 extern const char *commit_type;
 
 /* While we can decorate any object with a name, it's only used for commits.. */
-extern struct decoration name_decoration;
 struct name_decoration {
        struct name_decoration *next;
        int type;
-       char name[1];
+       char name[FLEX_ARRAY];
 };
 
+enum decoration_type {
+       DECORATION_NONE = 0,
+       DECORATION_REF_LOCAL,
+       DECORATION_REF_REMOTE,
+       DECORATION_REF_TAG,
+       DECORATION_REF_STASH,
+       DECORATION_REF_HEAD,
+       DECORATION_GRAFTED,
+};
+
+void add_name_decoration(enum decoration_type type, const char *name, struct object *obj);
+const struct name_decoration *get_name_decoration(const struct object *obj);
+
 struct commit *lookup_commit(const unsigned char *sha1);
 struct commit *lookup_commit_reference(const unsigned char *sha1);
 struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
@@ -314,6 +326,17 @@ extern struct commit_extra_header *read_commit_extra_headers(struct commit *, co
 
 extern void free_commit_extra_headers(struct commit_extra_header *extra);
 
+/*
+ * Search the commit object contents given by "msg" for the header "key".
+ * Returns a pointer to the start of the header contents, or NULL. The length
+ * of the header, up to the first newline, is returned via out_len.
+ *
+ * Note that some headers (like mergetag) may be multi-line. It is the caller's
+ * responsibility to parse further in this case!
+ */
+extern const char *find_commit_header(const char *msg, const char *key,
+                                     size_t *out_len);
+
 typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
                                 void *cb_data);
 
@@ -347,7 +370,7 @@ extern void print_commit_list(struct commit_list *list,
  * at all.  This may allocate memory for sig->gpg_output, sig->gpg_status,
  * sig->signer and sig->key.
  */
-extern void check_commit_signature(const struct commit* commit, struct signature_check *sigc);
+extern void check_commit_signature(const struct commit *commit, struct signature_check *sigc);
 
 int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused);