diff options
Diffstat (limited to 'commit.h')
| -rw-r--r-- | commit.h | 115 |
1 files changed, 97 insertions, 18 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, @@ -48,9 +59,51 @@ struct commit *lookup_commit_reference_by_name(const char *name); struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name); int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size); -int parse_commit(struct commit *item); +int parse_commit_gently(struct commit *item, int quiet_on_missing); +static inline int parse_commit(struct commit *item) +{ + return parse_commit_gently(item, 0); +} 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); @@ -92,7 +145,7 @@ struct pretty_print_context { const char *subject; const char *after_subject; int preserve_subject; - enum date_mode date_mode; + struct date_mode date_mode; unsigned date_mode_explicit:1; int need_8bit_cte; char *notes_message; @@ -115,14 +168,14 @@ 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); @@ -177,9 +230,9 @@ enum rev_sort_order { void sort_in_topological_order(struct commit_list **, enum rev_sort_order); struct commit_graft { - unsigned char sha1[20]; + struct object_id oid; int nr_parent; /* < 0 if shallow commit */ - unsigned char parent[FLEX_ARRAY][20]; /* more */ + struct object_id parent[FLEX_ARRAY]; /* more */ }; typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *); @@ -187,10 +240,13 @@ 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 @@ -202,7 +258,6 @@ extern int for_each_commit_graft(each_commit_graft_fn, void *); 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, int override); extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol, const struct sha1_array *extra); @@ -235,6 +290,7 @@ extern void assign_shallow_commits_to_refs(struct shallow_info *info, 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 *); @@ -261,11 +317,13 @@ 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, const 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, const 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 *); @@ -274,6 +332,25 @@ 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; @@ -287,8 +364,10 @@ 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); @@ -300,7 +379,7 @@ 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 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); |