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chromium / external / github.com / git / git / refs/tags/v1.4.4 / . / commit.h
blob: fc13de9780f98c3bd9f330ef6177fd47a4da3d80 [file] [log] [blame]
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]1#ifndef COMMIT_H
2#define COMMIT_H
3
4#include "object.h"
5#include "tree.h"
6
7struct commit_list {
8 struct commit *item;
9 struct commit_list *next;
10};
11
12struct commit {
13 struct object object;
Linus Torvaldsd3ff6f52006-06-18 01:26:18[diff] [blame]14 void *util;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]15 unsigned long date;
16 struct commit_list *parents;
17 struct tree *tree;
Linus Torvaldsbd1e17e2005-05-26 02:26:28[diff] [blame]18 char *buffer;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]19};
20
Linus Torvalds60ab26d2005-09-15 21:43:17[diff] [blame]21extern int save_commit_buffer;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]22extern const char *commit_type;
23
Jason McMullan5d6ccf52005-06-03 15:05:39[diff] [blame]24struct commit *lookup_commit(const unsigned char *sha1);
25struct commit *lookup_commit_reference(const unsigned char *sha1);
Junio C Hamanof76412e2005-08-21 09:51:10[diff] [blame]26struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
27 int quiet);
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]28
Nicolas Pitrebd2c39f2005-05-06 17:48:34[diff] [blame]29int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
30
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]31int parse_commit(struct commit *item);
32
Linus Torvaldsac5155e2005-05-31 01:44:02[diff] [blame]33struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
Linus Torvaldsf7554942005-07-06 16:31:17[diff] [blame]34struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]35
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]36void free_commit_list(struct commit_list *list);
37
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]38void sort_by_date(struct commit_list **list);
39
Linus Torvalds000182e2005-06-05 16:02:03[diff] [blame]40/* Commit formats */
41enum cmit_fmt {
42 CMIT_FMT_RAW,
43 CMIT_FMT_MEDIUM,
44 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
Linus Torvalds9b66ec02005-06-27 00:50:46[diff] [blame]45 CMIT_FMT_SHORT,
46 CMIT_FMT_FULL,
Junio C Hamanoff56fe12005-11-10 06:15:27[diff] [blame]47 CMIT_FMT_FULLER,
Junio C Hamanod87449c2005-08-09 05:15:40[diff] [blame]48 CMIT_FMT_ONELINE,
Junio C Hamano3eefc182006-04-18 23:45:27[diff] [blame]49 CMIT_FMT_EMAIL,
Junio C Hamano6b9c58f2006-04-16 06:46:36[diff] [blame]50
51 CMIT_FMT_UNSPECIFIED,
Linus Torvalds000182e2005-06-05 16:02:03[diff] [blame]52};
53
Linus Torvalds9b66ec02005-06-27 00:50:46[diff] [blame]54extern enum cmit_fmt get_commit_format(const char *arg);
Jonas Fonseca3dfb9272006-08-28 13:52:13[diff] [blame]55extern 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, int relative_date);
Linus Torvaldse3bc7a32005-06-01 15:34:23[diff] [blame]56
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]57/** Removes the first commit from a list sorted by date, and adds all
58 * of its parents.
59 **/
Daniel Barkalow58e28af2005-04-24 03:29:22[diff] [blame]60struct commit *pop_most_recent_commit(struct commit_list **list,
61 unsigned int mark);
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]62
jon@blackcubes.dyndns.orga3437b82005-06-06 15:39:40[diff] [blame]63struct commit *pop_commit(struct commit_list **stack);
64
Junio C Hamanof8f9c732006-01-08 02:52:42[diff] [blame]65void clear_commit_marks(struct commit *commit, unsigned int mark);
66
jon@blackcubes.dyndns.orga3437b82005-06-06 15:39:40[diff] [blame]67int count_parents(struct commit * commit);
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]68
69/*
70 * Performs an in-place topological sort of list supplied.
71 *
Fredrik Kuivinen6b6dcfc2006-03-10 09:21:37[diff] [blame]72 * Pre-conditions for sort_in_topological_order:
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]73 * all commits in input list and all parents of those
74 * commits must have object.util == NULL
Fredrik Kuivinen6b6dcfc2006-03-10 09:21:37[diff] [blame]75 *
76 * Pre-conditions for sort_in_topological_order_fn:
77 * all commits in input list and all parents of those
78 * commits must have getter(commit) == NULL
79 *
80 * Post-conditions:
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]81 * invariant of resulting list is:
82 * a reachable from b => ord(b) < ord(a)
Junio C Hamano4c8725f2006-02-16 06:05:33[diff] [blame]83 * in addition, when lifo == 0, commits on parallel tracks are
84 * sorted in the dates order.
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]85 */
Fredrik Kuivinen6b6dcfc2006-03-10 09:21:37[diff] [blame]86
87typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
88typedef void* (*topo_sort_get_fn_t)(struct commit*);
89
90void topo_sort_default_setter(struct commit *c, void *data);
91void *topo_sort_default_getter(struct commit *c);
92
Junio C Hamano4c8725f2006-02-16 06:05:33[diff] [blame]93void sort_in_topological_order(struct commit_list ** list, int lifo);
Fredrik Kuivinen6b6dcfc2006-03-10 09:21:37[diff] [blame]94void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
95 topo_sort_set_fn_t setter,
96 topo_sort_get_fn_t getter);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]97
98struct commit_graft {
99 unsigned char sha1[20];
100 int nr_parent;
101 unsigned char parent[FLEX_ARRAY][20]; /* more */
102};
103
104struct commit_graft *read_graft_line(char *buf, int len);
105int register_commit_graft(struct commit_graft *, int);
106int read_graft_file(const char *graft_file);
107
Rene Scharfec0fa8252006-07-02 09:49:38[diff] [blame]108extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
Johannes Schindelin7c6f8aa2006-06-29 13:17:32[diff] [blame]109
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]110#endif /* COMMIT_H */