diff options
Diffstat (limited to 'commit.h')
| -rw-r--r-- | commit.h | 79 |
1 files changed, 57 insertions, 22 deletions
@@ -9,18 +9,35 @@ #include "string-list.h" #include "pretty.h" +#define COMMIT_NOT_FROM_GRAPH 0xFFFFFFFF +#define GENERATION_NUMBER_INFINITY 0xFFFFFFFF +#define GENERATION_NUMBER_MAX 0x3FFFFFFF +#define GENERATION_NUMBER_ZERO 0 + struct commit_list { struct commit *item; struct commit_list *next; }; +/* + * The size of this struct matters in full repo walk operations like + * 'git clone' or 'git gc'. Consider using commit-slab to attach data + * to a commit instead of adding new fields here. + */ struct commit { struct object object; - void *util; - unsigned int index; timestamp_t date; struct commit_list *parents; - struct tree *tree; + + /* + * If the commit is loaded from the commit-graph file, then this + * member may be NULL. Only access it through get_commit_tree() + * or get_commit_tree_oid(). + */ + struct tree *maybe_tree; + uint32_t graph_pos; + uint32_t generation; + unsigned int index; }; extern int save_commit_buffer; @@ -46,9 +63,11 @@ enum decoration_type { 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 struct object_id *oid); -struct commit *lookup_commit_reference(const struct object_id *oid); -struct commit *lookup_commit_reference_gently(const struct object_id *oid, +struct commit *lookup_commit(struct repository *r, const struct object_id *oid); +struct commit *lookup_commit_reference(struct repository *r, + const struct object_id *oid); +struct commit *lookup_commit_reference_gently(struct repository *r, + const struct object_id *oid, int quiet); struct commit *lookup_commit_reference_by_name(const char *name); @@ -59,7 +78,8 @@ struct commit *lookup_commit_reference_by_name(const char *name); */ struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name); -int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size); +int parse_commit_buffer(struct repository *r, struct commit *item, const void *buffer, unsigned long size, int check_graph); +int parse_commit_internal(struct commit *item, int quiet_on_missing, int use_commit_graph); int parse_commit_gently(struct commit *item, int quiet_on_missing); static inline int parse_commit(struct commit *item) { @@ -67,17 +87,21 @@ static inline int parse_commit(struct commit *item) } void parse_commit_or_die(struct commit *item); +struct buffer_slab; +struct buffer_slab *allocate_commit_buffer_slab(void); +void free_commit_buffer_slab(struct buffer_slab *bs); + /* * Associate an object buffer with the commit. The ownership of the * memory is handed over to the commit, and must be free()-able. */ -void set_commit_buffer(struct commit *, void *buffer, unsigned long size); +void set_commit_buffer(struct repository *r, struct commit *, void *buffer, unsigned long size); /* * Get any cached object buffer associated with the commit. Returns NULL * if none. The resulting memory should not be freed. */ -const void *get_cached_commit_buffer(const struct commit *, unsigned long *size); +const void *get_cached_commit_buffer(struct repository *, const struct commit *, unsigned long *size); /* * Get the commit's object contents, either from cache or by reading the object @@ -99,6 +123,15 @@ void unuse_commit_buffer(const struct commit *, const void *buffer); */ void free_commit_buffer(struct commit *); +struct tree *get_commit_tree(const struct commit *); +struct object_id *get_commit_tree_oid(const struct commit *); + +/* + * Release memory related to a commit, including the parent list and + * any cached object buffer. + */ +void release_commit_memory(struct commit *c); + /* * Disassociate any cached object buffer from the commit, but do not free it. * The buffer (or NULL, if none) is returned. @@ -168,8 +201,8 @@ struct commit_graft { typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *); struct commit_graft *read_graft_line(struct strbuf *line); -int register_commit_graft(struct commit_graft *, int); -struct commit_graft *lookup_commit_graft(const struct object_id *oid); +int register_commit_graft(struct repository *r, struct commit_graft *, int); +struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid); extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2); extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos); @@ -183,15 +216,15 @@ extern struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct oid_array; struct ref; -extern int register_shallow(const struct object_id *oid); +extern int register_shallow(struct repository *r, const struct object_id *oid); extern int unregister_shallow(const struct object_id *oid); extern int for_each_commit_graft(each_commit_graft_fn, void *); -extern int is_repository_shallow(void); +extern int is_repository_shallow(struct repository *r); extern struct commit_list *get_shallow_commits(struct object_array *heads, int depth, int shallow_flag, int not_shallow_flag); extern struct commit_list *get_shallow_commits_by_rev_list( int ac, const char **av, int shallow_flag, int not_shallow_flag); -extern void set_alternate_shallow_file(const char *path, int override); +extern void set_alternate_shallow_file(struct repository *r, const char *path, int override); extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol, const struct oid_array *extra); extern void setup_alternate_shallow(struct lock_file *shallow_lock, @@ -262,14 +295,15 @@ extern void append_merge_tag_headers(struct commit_list *parents, struct commit_extra_header ***tail); extern int commit_tree(const char *msg, size_t msg_len, - const unsigned char *tree, - struct commit_list *parents, unsigned char *ret, + const struct object_id *tree, + struct commit_list *parents, struct object_id *ret, const char *author, const char *sign_commit); extern int commit_tree_extended(const char *msg, size_t msg_len, - const unsigned char *tree, - struct commit_list *parents, unsigned char *ret, - const char *author, const char *sign_commit, + const struct object_id *tree, + struct commit_list *parents, + struct object_id *ret, const char *author, + const char *sign_commit, struct commit_extra_header *); extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **); @@ -290,16 +324,16 @@ extern const char *find_commit_header(const char *msg, const char *key, /* Find the end of the log message, the right place for a new trailer. */ extern int ignore_non_trailer(const char *buf, size_t len); -typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra, +typedef int (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra, void *cb_data); -extern void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data); +extern int for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data); struct merge_remote_desc { struct object *obj; /* the named object, could be a tag */ char name[FLEX_ARRAY]; }; -#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util)) +extern struct merge_remote_desc *merge_remote_util(struct commit *); extern void set_merge_remote_desc(struct commit *commit, const char *name, struct object *obj); @@ -324,6 +358,7 @@ extern int remove_signature(struct strbuf *buf); extern int 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); +int compare_commits_by_gen_then_commit_date(const void *a_, const void *b_, void *unused); LAST_ARG_MUST_BE_NULL extern int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...); |