Add --date={local,relative,default}
[git/git.git] / commit.h
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1#ifndef COMMIT_H
2#define COMMIT_H
3
4#include "object.h"
5#include "tree.h"
ca135e7a 6#include "decorate.h"
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7
8struct commit_list {
9 struct commit *item;
10 struct commit_list *next;
11};
12
13struct commit {
14 struct object object;
d3ff6f55 15 void *util;
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16 unsigned long date;
17 struct commit_list *parents;
18 struct tree *tree;
bd1e17e2 19 char *buffer;
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20};
21
60ab26de 22extern int save_commit_buffer;
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23extern const char *commit_type;
24
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25/* While we can decorate any object with a name, it's only used for commits.. */
26extern struct decoration name_decoration;
27struct name_decoration {
28 struct name_decoration *next;
29 char name[1];
30};
31
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32struct commit *lookup_commit(const unsigned char *sha1);
33struct commit *lookup_commit_reference(const unsigned char *sha1);
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34struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
35 int quiet);
6eb8ae00 36
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37int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
38
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39int parse_commit(struct commit *item);
40
ac5155ef 41struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
f755494c 42struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
dd97f850 43
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44void free_commit_list(struct commit_list *list);
45
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46void sort_by_date(struct commit_list **list);
47
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48/* Commit formats */
49enum cmit_fmt {
50 CMIT_FMT_RAW,
51 CMIT_FMT_MEDIUM,
52 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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53 CMIT_FMT_SHORT,
54 CMIT_FMT_FULL,
ff56fe1c 55 CMIT_FMT_FULLER,
d87449c5 56 CMIT_FMT_ONELINE,
3eefc189 57 CMIT_FMT_EMAIL,
e52a5de4 58 CMIT_FMT_USERFORMAT,
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59
60 CMIT_FMT_UNSPECIFIED,
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61};
62
9b66ec04 63extern enum cmit_fmt get_commit_format(const char *arg);
a7b02ccf 64extern 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, enum date_mode dmode);
e3bc7a3b 65
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66/** Removes the first commit from a list sorted by date, and adds all
67 * of its parents.
68 **/
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69struct commit *pop_most_recent_commit(struct commit_list **list,
70 unsigned int mark);
dd97f850 71
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72struct commit *pop_commit(struct commit_list **stack);
73
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74void clear_commit_marks(struct commit *commit, unsigned int mark);
75
a3437b8c 76int count_parents(struct commit * commit);
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77
78/*
79 * Performs an in-place topological sort of list supplied.
80 *
6b6dcfc2 81 * Pre-conditions for sort_in_topological_order:
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82 * all commits in input list and all parents of those
83 * commits must have object.util == NULL
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84 *
85 * Pre-conditions for sort_in_topological_order_fn:
86 * all commits in input list and all parents of those
87 * commits must have getter(commit) == NULL
88 *
89 * Post-conditions:
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90 * invariant of resulting list is:
91 * a reachable from b => ord(b) < ord(a)
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92 * in addition, when lifo == 0, commits on parallel tracks are
93 * sorted in the dates order.
ab580ace 94 */
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95
96typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
97typedef void* (*topo_sort_get_fn_t)(struct commit*);
98
99void topo_sort_default_setter(struct commit *c, void *data);
100void *topo_sort_default_getter(struct commit *c);
101
4c8725f1 102void sort_in_topological_order(struct commit_list ** list, int lifo);
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103void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
104 topo_sort_set_fn_t setter,
105 topo_sort_get_fn_t getter);
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106
107struct commit_graft {
108 unsigned char sha1[20];
ed09aef0 109 int nr_parent; /* < 0 if shallow commit */
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110 unsigned char parent[FLEX_ARRAY][20]; /* more */
111};
112
113struct commit_graft *read_graft_line(char *buf, int len);
114int register_commit_graft(struct commit_graft *, int);
115int read_graft_file(const char *graft_file);
116
c0fa8255 117extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
7c6f8aaf 118
ed09aef0 119extern int register_shallow(const unsigned char *sha1);
f53514bc 120extern int unregister_shallow(const unsigned char *sha1);
ed09aef0 121extern int write_shallow_commits(int fd, int use_pack_protocol);
f43117a6 122extern int is_repository_shallow(void);
ed09aef0 123extern struct commit_list *get_shallow_commits(struct object_array *heads,
f53514bc 124 int depth, int shallow_flag, int not_shallow_flag);
ed09aef0 125
03840fc3 126int in_merge_bases(struct commit *, struct commit **, int);
6eb8ae00 127#endif /* COMMIT_H */