X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=commit.h;h=c9de1677e903ead414e5133424b722bea907b4d9;hb=4839c0b5fa14a09c5559317afe5d16e5c81dd176;hp=4afd27b1095cf9f9203c96db2b9f2b0bba5063d8;hpb=6eb8ae00d4bceaf660a07d8bc5ab8d6ddccbe1af;p=git.git diff --git a/commit.h b/commit.h index 4afd27b1..c9de1677 100644 --- a/commit.h +++ b/commit.h @@ -14,14 +14,94 @@ struct commit { unsigned long date; struct commit_list *parents; struct tree *tree; + char *buffer; }; +extern int save_commit_buffer; extern const char *commit_type; -struct commit *lookup_commit(unsigned char *sha1); +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, + int quiet); + +int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size); int parse_commit(struct commit *item); +struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p); +struct commit_list * insert_by_date(struct commit *item, struct commit_list **list); + void free_commit_list(struct commit_list *list); +void sort_by_date(struct commit_list **list); + +/* Commit formats */ +enum cmit_fmt { + CMIT_FMT_RAW, + CMIT_FMT_MEDIUM, + CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, + CMIT_FMT_SHORT, + CMIT_FMT_FULL, + CMIT_FMT_FULLER, + CMIT_FMT_ONELINE, + CMIT_FMT_EMAIL, + + CMIT_FMT_UNSPECIFIED, +}; + +extern enum cmit_fmt get_commit_format(const char *arg); +extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject); + +/** Removes the first commit from a list sorted by date, and adds all + * of its parents. + **/ +struct commit *pop_most_recent_commit(struct commit_list **list, + unsigned int mark); + +struct commit *pop_commit(struct commit_list **stack); + +void clear_commit_marks(struct commit *commit, unsigned int mark); + +int count_parents(struct commit * commit); + +/* + * Performs an in-place topological sort of list supplied. + * + * Pre-conditions for sort_in_topological_order: + * all commits in input list and all parents of those + * commits must have object.util == NULL + * + * Pre-conditions for sort_in_topological_order_fn: + * all commits in input list and all parents of those + * commits must have getter(commit) == NULL + * + * Post-conditions: + * 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. + */ + +typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); +typedef void* (*topo_sort_get_fn_t)(struct commit*); + +void topo_sort_default_setter(struct commit *c, void *data); +void *topo_sort_default_getter(struct commit *c); + +void sort_in_topological_order(struct commit_list ** list, int lifo); +void sort_in_topological_order_fn(struct commit_list ** list, int lifo, + topo_sort_set_fn_t setter, + topo_sort_get_fn_t getter); + +struct commit_graft { + unsigned char sha1[20]; + int nr_parent; + unsigned char parent[FLEX_ARRAY][20]; /* more */ +}; + +struct commit_graft *read_graft_line(char *buf, int len); +int register_commit_graft(struct commit_graft *, int); +int read_graft_file(const char *graft_file); + #endif /* COMMIT_H */