clone: let the user know when check_everything_connected is run
[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"
ffb6d7d5 8#include "gpg-interface.h"
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9
10struct commit_list {
11 struct commit *item;
12 struct commit_list *next;
13};
14
15struct commit {
16 struct object object;
d3ff6f55 17 void *util;
23c17d4a 18 unsigned int indegree;
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19 unsigned long date;
20 struct commit_list *parents;
21 struct tree *tree;
bd1e17e2 22 char *buffer;
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23};
24
60ab26de 25extern int save_commit_buffer;
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26extern const char *commit_type;
27
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28/* While we can decorate any object with a name, it's only used for commits.. */
29extern struct decoration name_decoration;
30struct name_decoration {
31 struct name_decoration *next;
eb3005e2 32 int type;
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33 char name[1];
34};
35
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36struct commit *lookup_commit(const unsigned char *sha1);
37struct commit *lookup_commit_reference(const unsigned char *sha1);
f76412ed
JH
38struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
39 int quiet);
a6fa5992 40struct commit *lookup_commit_reference_by_name(const char *name);
6eb8ae00 41
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42/*
43 * Look up object named by "sha1", dereference tag as necessary,
44 * get a commit and return it. If "sha1" does not dereference to
45 * a commit, use ref_name to report an error and die.
46 */
47struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name);
48
cf7b1cad 49int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size);
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50int parse_commit(struct commit *item);
51
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52/* Find beginning and length of commit subject. */
53int find_commit_subject(const char *commit_buffer, const char **subject);
54
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TF
55struct commit_list *commit_list_insert(struct commit *item,
56 struct commit_list **list);
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57struct commit_list **commit_list_append(struct commit *commit,
58 struct commit_list **next);
65319475 59unsigned commit_list_count(const struct commit_list *l);
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TF
60struct commit_list *commit_list_insert_by_date(struct commit *item,
61 struct commit_list **list);
62void commit_list_sort_by_date(struct commit_list **list);
dd97f850 63
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64void free_commit_list(struct commit_list *list);
65
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66/* Commit formats */
67enum cmit_fmt {
68 CMIT_FMT_RAW,
69 CMIT_FMT_MEDIUM,
70 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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71 CMIT_FMT_SHORT,
72 CMIT_FMT_FULL,
ff56fe1c 73 CMIT_FMT_FULLER,
d87449c5 74 CMIT_FMT_ONELINE,
3eefc189 75 CMIT_FMT_EMAIL,
e52a5de4 76 CMIT_FMT_USERFORMAT,
6b9c58f4 77
4b05548f 78 CMIT_FMT_UNSPECIFIED
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79};
80
9cba13ca 81struct pretty_print_context {
6bf13944 82 enum cmit_fmt fmt;
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83 int abbrev;
84 const char *subject;
85 const char *after_subject;
9553d2b2 86 int preserve_subject;
dd2e794a 87 enum date_mode date_mode;
f026c756 88 unsigned date_mode_explicit:1;
dd2e794a 89 int need_8bit_cte;
ddf333f6 90 char *notes_message;
8f8f5476 91 struct reflog_walk_info *reflog_info;
177b29dc 92 const char *output_encoding;
0e2913b0 93 struct string_list *mailmap;
30825178 94 int color;
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95};
96
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97struct userformat_want {
98 unsigned notes:1;
99};
100
28e9cf65 101extern int has_non_ascii(const char *text);
4da45bef 102struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
177b29dc 103extern char *logmsg_reencode(const struct commit *commit,
5a10d236 104 char **commit_encoding,
177b29dc 105 const char *output_encoding);
dd0d388c 106extern void logmsg_free(char *msg, const struct commit *commit);
4da45bef 107extern void get_commit_format(const char *arg, struct rev_info *);
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108extern const char *format_subject(struct strbuf *sb, const char *msg,
109 const char *line_separator);
5b163603 110extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
674d1727 111extern void format_commit_message(const struct commit *commit,
7f98ebc8 112 const char *format, struct strbuf *sb,
dd2e794a 113 const struct pretty_print_context *context);
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114extern void pretty_print_commit(const struct pretty_print_context *pp,
115 const struct commit *commit,
116 struct strbuf *sb);
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117extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
118 struct strbuf *sb);
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119void pp_user_info(const struct pretty_print_context *pp,
120 const char *what, struct strbuf *sb,
121 const char *line, const char *encoding);
122void pp_title_line(const struct pretty_print_context *pp,
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123 const char **msg_p,
124 struct strbuf *sb,
b02bd65f 125 const char *encoding,
267123b4 126 int need_8bit_cte);
6bf13944 127void pp_remainder(const struct pretty_print_context *pp,
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128 const char **msg_p,
129 struct strbuf *sb,
130 int indent);
131
e3bc7a3b 132
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133/** Removes the first commit from a list sorted by date, and adds all
134 * of its parents.
135 **/
a6080a0a 136struct commit *pop_most_recent_commit(struct commit_list **list,
58e28af6 137 unsigned int mark);
dd97f850 138
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139struct commit *pop_commit(struct commit_list **stack);
140
f8f9c73c 141void clear_commit_marks(struct commit *commit, unsigned int mark);
e895cb51 142void clear_commit_marks_many(int nr, struct commit **commit, unsigned int mark);
86a0a408 143void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark);
f8f9c73c 144
ab580ace
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145/*
146 * Performs an in-place topological sort of list supplied.
147 *
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148 * invariant of resulting list is:
149 * a reachable from b => ord(b) < ord(a)
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150 * in addition, when lifo == 0, commits on parallel tracks are
151 * sorted in the dates order.
ab580ace 152 */
4c8725f1 153void sort_in_topological_order(struct commit_list ** list, int lifo);
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154
155struct commit_graft {
156 unsigned char sha1[20];
ed09aef0 157 int nr_parent; /* < 0 if shallow commit */
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158 unsigned char parent[FLEX_ARRAY][20]; /* more */
159};
09d46644 160typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
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161
162struct commit_graft *read_graft_line(char *buf, int len);
163int register_commit_graft(struct commit_graft *, int);
45163382 164struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
5040f17e 165
c0fa8255 166extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
53eda89b 167extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup);
5240c9d7 168extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
7c6f8aaf 169
41ccfdd9 170/* largest positive number a signed 32-bit integer can contain */
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171#define INFINITE_DEPTH 0x7fffffff
172
ed09aef0 173extern int register_shallow(const unsigned char *sha1);
f53514bc 174extern int unregister_shallow(const unsigned char *sha1);
09d46644 175extern int for_each_commit_graft(each_commit_graft_fn, void *);
f43117a6 176extern int is_repository_shallow(void);
ed09aef0 177extern struct commit_list *get_shallow_commits(struct object_array *heads,
f53514bc 178 int depth, int shallow_flag, int not_shallow_flag);
ed09aef0 179
7fcdb36e 180int is_descendant_of(struct commit *, struct commit_list *);
a20efee9 181int in_merge_bases(struct commit *, struct commit *);
4c4b27e8 182int in_merge_bases_many(struct commit *, int, struct commit **);
58680165 183
b4bd4668 184extern int interactive_add(int argc, const char **argv, const char *prefix, int patch);
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185extern int run_add_interactive(const char *revision, const char *patch_mode,
186 const char **pathspec);
58680165 187
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188static inline int single_parent(struct commit *commit)
189{
190 return commit->parents && !commit->parents->next;
191}
192
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193struct commit_list *reduce_heads(struct commit_list *heads);
194
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195struct commit_extra_header {
196 struct commit_extra_header *next;
197 char *key;
198 char *value;
199 size_t len;
200};
201
202extern void append_merge_tag_headers(struct commit_list *parents,
203 struct commit_extra_header ***tail);
204
13f8b72d 205extern int commit_tree(const struct strbuf *msg, unsigned char *tree,
5231c633 206 struct commit_list *parents, unsigned char *ret,
ba3c69a9 207 const char *author, const char *sign_commit);
5231c633 208
f35ccd9b 209extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
5231c633 210 struct commit_list *parents, unsigned char *ret,
ba3c69a9 211 const char *author, const char *sign_commit,
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212 struct commit_extra_header *);
213
c871a1d1 214extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
ed7a42a0 215
5231c633 216extern void free_commit_extra_headers(struct commit_extra_header *extra);
40d52ff7 217
ae8e4c9c
JH
218struct merge_remote_desc {
219 struct object *obj; /* the named object, could be a tag */
220 const char *name;
221};
222#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
223
224/*
225 * Given "name" from the command line to merge, find the commit object
226 * and return it, while storing merge_remote_desc in its ->util field,
227 * to allow callers to tell if we are told to merge a tag.
228 */
229struct commit *get_merge_parent(const char *name);
230
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JH
231extern int parse_signed_commit(const unsigned char *sha1,
232 struct strbuf *message, struct strbuf *signature);
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233extern void print_commit_list(struct commit_list *list,
234 const char *format_cur,
235 const char *format_last);
236
ffb6d7d5 237/*
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238 * Check the signature of the given commit. The result of the check is stored
239 * in sig->check_result, 'G' for a good signature, 'U' for a good signature
240 * from an untrusted signer, 'B' for a bad signature and 'N' for no signature
241 * at all. This may allocate memory for sig->gpg_output, sig->gpg_status,
242 * sig->signer and sig->key.
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SG
243 */
244extern void check_commit_signature(const struct commit* commit, struct signature_check *sigc);
245
6eb8ae00 246#endif /* COMMIT_H */