diff options
Diffstat (limited to 'commit.h')
| -rw-r--r-- | commit.h | 145 |
1 files changed, 128 insertions, 17 deletions
@@ -6,6 +6,7 @@ #include "strbuf.h" #include "decorate.h" #include "gpg-interface.h" +#include "string-list.h" struct commit_list { struct commit *item; @@ -15,11 +16,10 @@ struct commit_list { struct commit { struct object object; void *util; - unsigned int indegree; + unsigned int index; unsigned long date; struct commit_list *parents; struct tree *tree; - char *buffer; }; extern int save_commit_buffer; @@ -48,6 +48,45 @@ 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); @@ -61,6 +100,9 @@ struct commit_list *commit_list_insert_by_date(struct commit *item, struct commit_list **list); void commit_list_sort_by_date(struct commit_list **list); +/* Shallow copy of the input list */ +struct commit_list *copy_commit_list(struct commit_list *list); + void free_commit_list(struct commit_list *list); /* Commit formats */ @@ -79,6 +121,9 @@ enum cmit_fmt { }; struct pretty_print_context { + /* + * Callers should tweak these to change the behavior of pp_* functions. + */ enum cmit_fmt fmt; int abbrev; const char *subject; @@ -92,6 +137,13 @@ struct pretty_print_context { const char *output_encoding; struct string_list *mailmap; int color; + struct ident_split *from_ident; + + /* + * Fields below here are manipulated internally by pp_* functions and + * should not be counted on by callers. + */ + struct string_list in_body_headers; }; struct userformat_want { @@ -100,31 +152,31 @@ 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); -extern void pretty_print_commit(const struct pretty_print_context *pp, +extern void pretty_print_commit(struct pretty_print_context *pp, const struct commit *commit, struct strbuf *sb); extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, struct strbuf *sb); -void pp_user_info(const struct pretty_print_context *pp, +void pp_user_info(struct pretty_print_context *pp, const char *what, struct strbuf *sb, const char *line, const char *encoding); -void pp_title_line(const struct pretty_print_context *pp, +void pp_title_line(struct pretty_print_context *pp, const char **msg_p, struct strbuf *sb, const char *encoding, int need_8bit_cte); -void pp_remainder(const struct pretty_print_context *pp, +void pp_remainder(struct pretty_print_context *pp, const char **msg_p, struct strbuf *sb, int indent); @@ -142,15 +194,24 @@ void clear_commit_marks(struct commit *commit, unsigned int mark); void clear_commit_marks_many(int nr, struct commit **commit, unsigned int mark); void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark); + +enum rev_sort_order { + REV_SORT_IN_GRAPH_ORDER = 0, + REV_SORT_BY_COMMIT_DATE, + REV_SORT_BY_AUTHOR_DATE +}; + /* * Performs an in-place topological sort of list supplied. * * invariant of resulting list is: * a reachable from b => ord(b) < ord(a) - * in addition, when lifo == 0, commits on parallel tracks are - * sorted in the dates order. + * sort_order further specifies: + * REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent + * chain together. + * REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order. */ -void sort_in_topological_order(struct commit_list ** list, int lifo); +void sort_in_topological_order(struct commit_list **, enum rev_sort_order); struct commit_graft { unsigned char sha1[20]; @@ -170,12 +231,48 @@ extern struct commit_list *get_octopus_merge_bases(struct commit_list *in); /* 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 *); 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); +extern void setup_alternate_shallow(struct lock_file *shallow_lock, + 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 *); @@ -183,7 +280,7 @@ int in_merge_bases_many(struct commit *, int, struct commit **); extern int interactive_add(int argc, const char **argv, const char *prefix, int patch); extern int run_add_interactive(const char *revision, const char *patch_mode, - const char **pathspec); + const struct pathspec *pathspec); static inline int single_parent(struct commit *commit) { @@ -202,11 +299,13 @@ 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 *); @@ -215,6 +314,11 @@ extern struct commit_extra_header *read_commit_extra_headers(struct commit *, co extern void free_commit_extra_headers(struct commit_extra_header *extra); +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; @@ -228,8 +332,10 @@ 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); @@ -243,4 +349,9 @@ extern void print_commit_list(struct commit_list *list, */ 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 */ |