Makefile: -lpthread may still be necessary when libc has only pthread stubs
[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"
674d1727 6#include "strbuf.h"
ca135e7a 7#include "decorate.h"
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8
9struct commit_list {
10 struct commit *item;
11 struct commit_list *next;
12};
13
14struct commit {
15 struct object object;
d3ff6f55 16 void *util;
23c17d4a 17 unsigned int indegree;
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18 unsigned long date;
19 struct commit_list *parents;
20 struct tree *tree;
bd1e17e2 21 char *buffer;
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22};
23
60ab26de 24extern int save_commit_buffer;
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25extern const char *commit_type;
26
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27/* While we can decorate any object with a name, it's only used for commits.. */
28extern struct decoration name_decoration;
29struct name_decoration {
30 struct name_decoration *next;
31 char name[1];
32};
33
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34struct commit *lookup_commit(const unsigned char *sha1);
35struct commit *lookup_commit_reference(const unsigned char *sha1);
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36struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
37 int quiet);
6eb8ae00 38
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39int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
40
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41int parse_commit(struct commit *item);
42
ac5155ef 43struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
65319475 44unsigned commit_list_count(const struct commit_list *l);
f755494c 45struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
dd97f850 46
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47void free_commit_list(struct commit_list *list);
48
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49void sort_by_date(struct commit_list **list);
50
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51/* Commit formats */
52enum cmit_fmt {
53 CMIT_FMT_RAW,
54 CMIT_FMT_MEDIUM,
55 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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56 CMIT_FMT_SHORT,
57 CMIT_FMT_FULL,
ff56fe1c 58 CMIT_FMT_FULLER,
d87449c5 59 CMIT_FMT_ONELINE,
3eefc189 60 CMIT_FMT_EMAIL,
e52a5de4 61 CMIT_FMT_USERFORMAT,
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62
63 CMIT_FMT_UNSPECIFIED,
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64};
65
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66struct pretty_print_context
67{
68 int abbrev;
69 const char *subject;
70 const char *after_subject;
71 enum date_mode date_mode;
72 int need_8bit_cte;
66b2ed09 73 int show_notes;
8f8f5476 74 struct reflog_walk_info *reflog_info;
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75};
76
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77struct userformat_want {
78 unsigned notes:1;
79};
80
28e9cf65 81extern int has_non_ascii(const char *text);
4da45bef 82struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
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83extern char *reencode_commit_message(const struct commit *commit,
84 const char **encoding_p);
4da45bef 85extern void get_commit_format(const char *arg, struct rev_info *);
5b163603 86extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
674d1727 87extern void format_commit_message(const struct commit *commit,
7f98ebc8 88 const char *format, struct strbuf *sb,
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89 const struct pretty_print_context *context);
90extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
91 struct strbuf *sb,
92 const struct pretty_print_context *context);
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93void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
94 const char *line, enum date_mode dmode,
95 const char *encoding);
96void pp_title_line(enum cmit_fmt fmt,
97 const char **msg_p,
98 struct strbuf *sb,
99 const char *subject,
100 const char *after_subject,
101 const char *encoding,
267123b4 102 int need_8bit_cte);
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103void pp_remainder(enum cmit_fmt fmt,
104 const char **msg_p,
105 struct strbuf *sb,
106 int indent);
107
e3bc7a3b 108
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109/** Removes the first commit from a list sorted by date, and adds all
110 * of its parents.
111 **/
a6080a0a 112struct commit *pop_most_recent_commit(struct commit_list **list,
58e28af6 113 unsigned int mark);
dd97f850 114
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115struct commit *pop_commit(struct commit_list **stack);
116
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117void clear_commit_marks(struct commit *commit, unsigned int mark);
118
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119/*
120 * Performs an in-place topological sort of list supplied.
121 *
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122 * invariant of resulting list is:
123 * a reachable from b => ord(b) < ord(a)
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124 * in addition, when lifo == 0, commits on parallel tracks are
125 * sorted in the dates order.
ab580ace 126 */
4c8725f1 127void sort_in_topological_order(struct commit_list ** list, int lifo);
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128
129struct commit_graft {
130 unsigned char sha1[20];
ed09aef0 131 int nr_parent; /* < 0 if shallow commit */
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132 unsigned char parent[FLEX_ARRAY][20]; /* more */
133};
134
135struct commit_graft *read_graft_line(char *buf, int len);
136int register_commit_graft(struct commit_graft *, int);
45163382 137struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
5040f17e 138
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139const unsigned char *lookup_replace_object(const unsigned char *sha1);
140
c0fa8255 141extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
53eda89b 142extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup);
5240c9d7 143extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
7c6f8aaf 144
ed09aef0 145extern int register_shallow(const unsigned char *sha1);
f53514bc 146extern int unregister_shallow(const unsigned char *sha1);
edace6f0 147extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol);
f43117a6 148extern int is_repository_shallow(void);
ed09aef0 149extern struct commit_list *get_shallow_commits(struct object_array *heads,
f53514bc 150 int depth, int shallow_flag, int not_shallow_flag);
ed09aef0 151
7fcdb36e 152int is_descendant_of(struct commit *, struct commit_list *);
03840fc3 153int in_merge_bases(struct commit *, struct commit **, int);
58680165 154
3f061887 155extern int interactive_add(int argc, const char **argv, const char *prefix);
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156extern int run_add_interactive(const char *revision, const char *patch_mode,
157 const char **pathspec);
58680165 158
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159static inline int single_parent(struct commit *commit)
160{
161 return commit->parents && !commit->parents->next;
162}
163
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164struct commit_list *reduce_heads(struct commit_list *heads);
165
6eb8ae00 166#endif /* COMMIT_H */