t6006: clean up whitespace
[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;
eb3005e2 31 int type;
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32 char name[1];
33};
34
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35struct commit *lookup_commit(const unsigned char *sha1);
36struct commit *lookup_commit_reference(const unsigned char *sha1);
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37struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
38 int quiet);
a6fa5992 39struct commit *lookup_commit_reference_by_name(const char *name);
6eb8ae00 40
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41/*
42 * Look up object named by "sha1", dereference tag as necessary,
43 * get a commit and return it. If "sha1" does not dereference to
44 * a commit, use ref_name to report an error and die.
45 */
46struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name);
47
cf7b1cad 48int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size);
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49int parse_commit(struct commit *item);
50
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51/* Find beginning and length of commit subject. */
52int find_commit_subject(const char *commit_buffer, const char **subject);
53
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TF
54struct commit_list *commit_list_insert(struct commit *item,
55 struct commit_list **list);
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56struct commit_list **commit_list_append(struct commit *commit,
57 struct commit_list **next);
65319475 58unsigned commit_list_count(const struct commit_list *l);
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59struct commit_list *commit_list_insert_by_date(struct commit *item,
60 struct commit_list **list);
61void commit_list_sort_by_date(struct commit_list **list);
dd97f850 62
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63void free_commit_list(struct commit_list *list);
64
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65/* Commit formats */
66enum cmit_fmt {
67 CMIT_FMT_RAW,
68 CMIT_FMT_MEDIUM,
69 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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70 CMIT_FMT_SHORT,
71 CMIT_FMT_FULL,
ff56fe1c 72 CMIT_FMT_FULLER,
d87449c5 73 CMIT_FMT_ONELINE,
3eefc189 74 CMIT_FMT_EMAIL,
e52a5de4 75 CMIT_FMT_USERFORMAT,
6b9c58f4 76
4b05548f 77 CMIT_FMT_UNSPECIFIED
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78};
79
9cba13ca 80struct pretty_print_context {
6bf13944 81 enum cmit_fmt fmt;
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82 int abbrev;
83 const char *subject;
84 const char *after_subject;
9553d2b2 85 int preserve_subject;
dd2e794a 86 enum date_mode date_mode;
f026c756 87 unsigned date_mode_explicit:1;
dd2e794a 88 int need_8bit_cte;
66b2ed09 89 int show_notes;
8f8f5476 90 struct reflog_walk_info *reflog_info;
177b29dc 91 const char *output_encoding;
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92};
93
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94struct userformat_want {
95 unsigned notes:1;
96};
97
28e9cf65 98extern int has_non_ascii(const char *text);
4da45bef 99struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
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100extern char *logmsg_reencode(const struct commit *commit,
101 const char *output_encoding);
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102extern char *reencode_commit_message(const struct commit *commit,
103 const char **encoding_p);
4da45bef 104extern void get_commit_format(const char *arg, struct rev_info *);
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105extern const char *format_subject(struct strbuf *sb, const char *msg,
106 const char *line_separator);
5b163603 107extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
674d1727 108extern void format_commit_message(const struct commit *commit,
7f98ebc8 109 const char *format, struct strbuf *sb,
dd2e794a 110 const struct pretty_print_context *context);
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111extern void pretty_print_commit(const struct pretty_print_context *pp,
112 const struct commit *commit,
113 struct strbuf *sb);
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114extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
115 struct strbuf *sb);
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116void pp_user_info(const struct pretty_print_context *pp,
117 const char *what, struct strbuf *sb,
118 const char *line, const char *encoding);
119void pp_title_line(const struct pretty_print_context *pp,
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120 const char **msg_p,
121 struct strbuf *sb,
b02bd65f 122 const char *encoding,
267123b4 123 int need_8bit_cte);
6bf13944 124void pp_remainder(const struct pretty_print_context *pp,
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125 const char **msg_p,
126 struct strbuf *sb,
127 int indent);
128
e3bc7a3b 129
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130/** Removes the first commit from a list sorted by date, and adds all
131 * of its parents.
132 **/
a6080a0a 133struct commit *pop_most_recent_commit(struct commit_list **list,
58e28af6 134 unsigned int mark);
dd97f850 135
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136struct commit *pop_commit(struct commit_list **stack);
137
f8f9c73c 138void clear_commit_marks(struct commit *commit, unsigned int mark);
86a0a408 139void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark);
f8f9c73c 140
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141/*
142 * Performs an in-place topological sort of list supplied.
143 *
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144 * invariant of resulting list is:
145 * a reachable from b => ord(b) < ord(a)
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146 * in addition, when lifo == 0, commits on parallel tracks are
147 * sorted in the dates order.
ab580ace 148 */
4c8725f1 149void sort_in_topological_order(struct commit_list ** list, int lifo);
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150
151struct commit_graft {
152 unsigned char sha1[20];
ed09aef0 153 int nr_parent; /* < 0 if shallow commit */
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154 unsigned char parent[FLEX_ARRAY][20]; /* more */
155};
09d46644 156typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
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157
158struct commit_graft *read_graft_line(char *buf, int len);
159int register_commit_graft(struct commit_graft *, int);
45163382 160struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
5040f17e 161
c0fa8255 162extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
53eda89b 163extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup);
5240c9d7 164extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
7c6f8aaf 165
ed09aef0 166extern int register_shallow(const unsigned char *sha1);
f53514bc 167extern int unregister_shallow(const unsigned char *sha1);
09d46644 168extern int for_each_commit_graft(each_commit_graft_fn, void *);
f43117a6 169extern int is_repository_shallow(void);
ed09aef0 170extern struct commit_list *get_shallow_commits(struct object_array *heads,
f53514bc 171 int depth, int shallow_flag, int not_shallow_flag);
ed09aef0 172
7fcdb36e 173int is_descendant_of(struct commit *, struct commit_list *);
a20efee9 174int in_merge_bases(struct commit *, struct commit *);
58680165 175
b4bd4668 176extern int interactive_add(int argc, const char **argv, const char *prefix, int patch);
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177extern int run_add_interactive(const char *revision, const char *patch_mode,
178 const char **pathspec);
58680165 179
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180static inline int single_parent(struct commit *commit)
181{
182 return commit->parents && !commit->parents->next;
183}
184
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185struct commit_list *reduce_heads(struct commit_list *heads);
186
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187struct commit_extra_header {
188 struct commit_extra_header *next;
189 char *key;
190 char *value;
191 size_t len;
192};
193
194extern void append_merge_tag_headers(struct commit_list *parents,
195 struct commit_extra_header ***tail);
196
13f8b72d 197extern int commit_tree(const struct strbuf *msg, unsigned char *tree,
5231c633 198 struct commit_list *parents, unsigned char *ret,
ba3c69a9 199 const char *author, const char *sign_commit);
5231c633 200
f35ccd9b 201extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
5231c633 202 struct commit_list *parents, unsigned char *ret,
ba3c69a9 203 const char *author, const char *sign_commit,
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204 struct commit_extra_header *);
205
c871a1d1 206extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
ed7a42a0 207
5231c633 208extern void free_commit_extra_headers(struct commit_extra_header *extra);
40d52ff7 209
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210struct merge_remote_desc {
211 struct object *obj; /* the named object, could be a tag */
212 const char *name;
213};
214#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
215
216/*
217 * Given "name" from the command line to merge, find the commit object
218 * and return it, while storing merge_remote_desc in its ->util field,
219 * to allow callers to tell if we are told to merge a tag.
220 */
221struct commit *get_merge_parent(const char *name);
222
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223extern int parse_signed_commit(const unsigned char *sha1,
224 struct strbuf *message, struct strbuf *signature);
6eb8ae00 225#endif /* COMMIT_H */