diff options
Diffstat (limited to 'commit.h')
| -rw-r--r-- | commit.h | 143 |
1 files changed, 126 insertions, 17 deletions
@@ -20,20 +20,31 @@ struct commit { unsigned long date; struct commit_list *parents; struct tree *tree; - char *buffer; }; 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, @@ -49,6 +60,45 @@ struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_n int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size); int parse_commit(struct commit *item); +void parse_commit_or_die(struct commit *item); + +/* + * 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); + +/* + * 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); + +/* + * Get the commit's object contents, either from cache or by reading the object + * from disk. The resulting memory should not be modified, and must be given + * to unuse_commit_buffer when the caller is done. + */ +const void *get_commit_buffer(const struct commit *, unsigned long *size); + +/* + * Tell the commit subsytem that we are done with a particular commit buffer. + * The commit and buffer should be the input and return value, respectively, + * from an earlier call to get_commit_buffer. The buffer may or may not be + * freed by this call; callers should not access the memory afterwards. + */ +void unuse_commit_buffer(const struct commit *, const void *buffer); + +/* + * Free any cached object buffer associated with the commit. + */ +void free_commit_buffer(struct commit *); + +/* + * Disassociate any cached object buffer from the commit, but do not free it. + * The buffer (or NULL, if none) is returned. + */ +const void *detach_commit_buffer(struct commit *, unsigned long *sizep); /* Find beginning and length of commit subject. */ int find_commit_subject(const char *commit_buffer, const char **subject); @@ -114,14 +164,14 @@ struct userformat_want { extern int has_non_ascii(const char *text); struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */ -extern char *logmsg_reencode(const struct commit *commit, - char **commit_encoding, - const char *output_encoding); -extern void logmsg_free(char *msg, const struct commit *commit); +extern const char *logmsg_reencode(const struct commit *commit, + char **commit_encoding, + const char *output_encoding); extern void get_commit_format(const char *arg, struct rev_info *); extern const char *format_subject(struct strbuf *sb, const char *msg, const char *line_separator); extern void userformat_find_requirements(const char *fmt, struct userformat_want *w); +extern int commit_format_is_empty(enum cmit_fmt); extern void format_commit_message(const struct commit *commit, const char *format, struct strbuf *sb, const struct pretty_print_context *context); @@ -186,13 +236,18 @@ struct commit_graft *read_graft_line(char *buf, int len); int register_commit_graft(struct commit_graft *, int); struct commit_graft *lookup_commit_graft(const unsigned char *sha1); -extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup); -extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup); +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); extern struct commit_list *get_octopus_merge_bases(struct commit_list *in); +/* To be used only when object flags after this call no longer matter */ +extern struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct commit **twos); + /* largest positive number a signed 32-bit integer can contain */ #define INFINITE_DEPTH 0x7fffffff +struct sha1_array; +struct ref; extern int register_shallow(const unsigned char *sha1); extern int unregister_shallow(const unsigned char *sha1); extern int for_each_commit_graft(each_commit_graft_fn, void *); @@ -200,11 +255,39 @@ extern int is_repository_shallow(void); extern struct commit_list *get_shallow_commits(struct object_array *heads, int depth, int shallow_flag, int not_shallow_flag); extern void check_shallow_file_for_update(void); -extern void set_alternate_shallow_file(const char *path); -extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol); +extern void set_alternate_shallow_file(const char *path, int override); +extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol, + const struct sha1_array *extra); extern void setup_alternate_shallow(struct lock_file *shallow_lock, - const char **alternate_shallow_file); -extern char *setup_temporary_shallow(void); + const char **alternate_shallow_file, + const struct sha1_array *extra); +extern const char *setup_temporary_shallow(const struct sha1_array *extra); +extern void advertise_shallow_grafts(int); + +struct shallow_info { + struct sha1_array *shallow; + int *ours, nr_ours; + int *theirs, nr_theirs; + struct sha1_array *ref; + + /* for receive-pack */ + uint32_t **used_shallow; + int *need_reachability_test; + int *reachable; + int *shallow_ref; + struct commit **commits; + int nr_commits; +}; + +extern void prepare_shallow_info(struct shallow_info *, struct sha1_array *); +extern void clear_shallow_info(struct shallow_info *); +extern void remove_nonexistent_theirs_shallow(struct shallow_info *); +extern void assign_shallow_commits_to_refs(struct shallow_info *info, + uint32_t **used, + int *ref_status); +extern int delayed_reachability_test(struct shallow_info *si, int c); +extern void prune_shallow(int show_only); +extern struct trace_key trace_shallow; int is_descendant_of(struct commit *, struct commit_list *); int in_merge_bases(struct commit *, struct commit *); @@ -231,11 +314,13 @@ struct commit_extra_header { extern void append_merge_tag_headers(struct commit_list *parents, struct commit_extra_header ***tail); -extern int commit_tree(const struct strbuf *msg, unsigned char *tree, +extern int commit_tree(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); -extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree, +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, struct commit_extra_header *); @@ -244,6 +329,25 @@ 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); + +/* Find the end of the log message, the right place for a new trailer. */ +extern int ignore_non_trailer(struct strbuf *sb); + +typedef void (*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); + struct merge_remote_desc { struct object *obj; /* the named object, could be a tag */ const char *name; @@ -257,8 +361,10 @@ struct merge_remote_desc { */ struct commit *get_merge_parent(const char *name); -extern int parse_signed_commit(const unsigned char *sha1, +extern int parse_signed_commit(const struct commit *commit, struct strbuf *message, struct strbuf *signature); +extern int remove_signature(struct strbuf *buf); + extern void print_commit_list(struct commit_list *list, const char *format_cur, const char *format_last); @@ -270,8 +376,11 @@ 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); +LAST_ARG_MUST_BE_NULL +extern int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...); + #endif /* COMMIT_H */ |