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chromium / external / github.com / git / git / refs/tags/v2.24.2 / . / commit.h
blob: f5295ca7f3efe9b7665d1c6728814bfe2901d059 [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"
Pierre Habouzit674d1722007-09-10 10:35:06[diff] [blame]6#include "strbuf.h"
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]7#include "decorate.h"
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]8#include "gpg-interface.h"
Jeff Kinga9080472013-07-03 07:08:22[diff] [blame]9#include "string-list.h"
Olga Telezhnayacf394712017-12-12 08:55:35[diff] [blame]10#include "pretty.h"
Derrick Stolee5284fc52018-11-01 13:46:21[diff] [blame]11#include "commit-slab.h"
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]12
Derrick Stolee177722b2018-04-10 12:56:05[diff] [blame]13#define COMMIT_NOT_FROM_GRAPH 0xFFFFFFFF
Derrick Stolee83073cc2018-04-25 14:37:55[diff] [blame]14#define GENERATION_NUMBER_INFINITY 0xFFFFFFFF
15#define GENERATION_NUMBER_MAX 0x3FFFFFFF
16#define GENERATION_NUMBER_ZERO 0
Derrick Stolee177722b2018-04-10 12:56:05[diff] [blame]17
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]18struct commit_list {
19 struct commit *item;
20 struct commit_list *next;
21};
22
Nguyễn Thái Ngọc Duy9d2c9702018-05-19 05:28:31[diff] [blame]23/*
24 * The size of this struct matters in full repo walk operations like
25 * 'git clone' or 'git gc'. Consider using commit-slab to attach data
26 * to a commit instead of adding new fields here.
27 */
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]28struct commit {
29 struct object object;
Johannes Schindelindddbad72017-04-26 19:29:31[diff] [blame]30 timestamp_t date;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]31 struct commit_list *parents;
Derrick Stolee7b8a21d2018-04-06 19:09:46[diff] [blame]32
33 /*
34 * If the commit is loaded from the commit-graph file, then this
Nguyễn Thái Ngọc Duy301b8c72019-04-16 09:33:19[diff] [blame]35 * member may be NULL. Only access it through repo_get_commit_tree()
Derrick Stolee7b8a21d2018-04-06 19:09:46[diff] [blame]36 * or get_commit_tree_oid().
37 */
Derrick Stolee891435d2018-04-06 19:09:32[diff] [blame]38 struct tree *maybe_tree;
Derrick Stolee177722b2018-04-10 12:56:05[diff] [blame]39 uint32_t graph_pos;
Derrick Stolee83073cc2018-04-25 14:37:55[diff] [blame]40 uint32_t generation;
Nguyễn Thái Ngọc Duy25f859f2018-05-11 17:20:54[diff] [blame]41 unsigned int index;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]42};
43
Linus Torvalds60ab26d2005-09-15 21:43:17[diff] [blame]44extern int save_commit_buffer;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]45extern const char *commit_type;
46
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]47/* While we can decorate any object with a name, it's only used for commits.. */
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]48struct name_decoration {
49 struct name_decoration *next;
Nazri Ramliyeb3005e2010-06-19 01:37:33[diff] [blame]50 int type;
Jeff King2e3dfb22014-08-26 10:24:20[diff] [blame]51 char name[FLEX_ARRAY];
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]52};
53
Jeff King662174d2014-08-26 10:23:36[diff] [blame]54enum decoration_type {
55 DECORATION_NONE = 0,
56 DECORATION_REF_LOCAL,
57 DECORATION_REF_REMOTE,
58 DECORATION_REF_TAG,
59 DECORATION_REF_STASH,
60 DECORATION_REF_HEAD,
61 DECORATION_GRAFTED,
62};
63
64void add_name_decoration(enum decoration_type type, const char *name, struct object *obj);
Jeff King2608c242014-08-26 10:23:54[diff] [blame]65const struct name_decoration *get_name_decoration(const struct object *obj);
Jeff King662174d2014-08-26 10:23:36[diff] [blame]66
Stefan Bellerbacf1682018-06-29 01:22:10[diff] [blame]67struct commit *lookup_commit(struct repository *r, const struct object_id *oid);
Stefan Beller1f6c72f2018-06-29 01:22:22[diff] [blame]68struct commit *lookup_commit_reference(struct repository *r,
69 const struct object_id *oid);
Stefan Bellerd9a05e72018-06-29 01:22:21[diff] [blame]70struct commit *lookup_commit_reference_gently(struct repository *r,
Stefan Beller21e1ee82018-06-29 01:21:57[diff] [blame]71 const struct object_id *oid,
Junio C Hamanof76412e2005-08-21 09:51:10[diff] [blame]72 int quiet);
Pat Notza6fa5992010-11-02 19:59:07[diff] [blame]73struct commit *lookup_commit_reference_by_name(const char *name);
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]74
Nguyễn Thái Ngọc Duybaf18fc2011-09-17 11:57:45[diff] [blame]75/*
brian m. carlsonbc832662017-05-06 22:10:10[diff] [blame]76 * Look up object named by "oid", dereference tag as necessary,
77 * get a commit and return it. If "oid" does not dereference to
Nguyễn Thái Ngọc Duybaf18fc2011-09-17 11:57:45[diff] [blame]78 * a commit, use ref_name to report an error and die.
79 */
brian m. carlsonbc832662017-05-06 22:10:10[diff] [blame]80struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name);
Nguyễn Thái Ngọc Duybaf18fc2011-09-17 11:57:45[diff] [blame]81
Stefan Bellerfd8030c2018-06-29 01:22:13[diff] [blame]82int parse_commit_buffer(struct repository *r, struct commit *item, const void *buffer, unsigned long size, int check_graph);
Stefan Beller9e5252a2018-11-14 00:12:50[diff] [blame]83int repo_parse_commit_internal(struct repository *r, struct commit *item,
84 int quiet_on_missing, int use_commit_graph);
85int repo_parse_commit_gently(struct repository *r,
86 struct commit *item,
87 int quiet_on_missing);
88static inline int repo_parse_commit(struct repository *r, struct commit *item)
Jeff King9cc2b072015-06-01 09:56:26[diff] [blame]89{
Stefan Beller9e5252a2018-11-14 00:12:50[diff] [blame]90 return repo_parse_commit_gently(r, item, 0);
Jeff King9cc2b072015-06-01 09:56:26[diff] [blame]91}
Ævar Arnfjörð Bjarmason43d35612019-03-25 12:08:33[diff] [blame]92
93static inline int parse_commit_no_graph(struct commit *commit)
94{
95 return repo_parse_commit_internal(the_repository, commit, 0, 0);
96}
97
Stefan Beller9e5252a2018-11-14 00:12:50[diff] [blame]98#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
99#define parse_commit_internal(item, quiet, use) repo_parse_commit_internal(the_repository, item, quiet, use)
100#define parse_commit_gently(item, quiet) repo_parse_commit_gently(the_repository, item, quiet)
101#define parse_commit(item) repo_parse_commit(the_repository, item)
102#endif
103
Jeff King7059dcc2013-10-24 08:52:36[diff] [blame]104void parse_commit_or_die(struct commit *item);
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]105
Stefan Beller65ea9d42018-06-29 01:22:15[diff] [blame]106struct buffer_slab;
107struct buffer_slab *allocate_commit_buffer_slab(void);
108void free_commit_buffer_slab(struct buffer_slab *bs);
109
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]110/*
Jeff King66c28272014-06-10 21:40:14[diff] [blame]111 * Associate an object buffer with the commit. The ownership of the
112 * memory is handed over to the commit, and must be free()-able.
113 */
Stefan Beller1a40fc42018-06-29 01:22:16[diff] [blame]114void set_commit_buffer(struct repository *r, struct commit *, void *buffer, unsigned long size);
Jeff King66c28272014-06-10 21:40:14[diff] [blame]115
116/*
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]117 * Get any cached object buffer associated with the commit. Returns NULL
118 * if none. The resulting memory should not be freed.
119 */
Stefan Beller4ff7e5c2018-06-29 01:22:17[diff] [blame]120const void *get_cached_commit_buffer(struct repository *, const struct commit *, unsigned long *size);
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]121
122/*
123 * Get the commit's object contents, either from cache or by reading the object
124 * from disk. The resulting memory should not be modified, and must be given
125 * to unuse_commit_buffer when the caller is done.
126 */
Stefan Beller07de3fd2018-11-14 00:12:57[diff] [blame]127const void *repo_get_commit_buffer(struct repository *r,
128 const struct commit *,
129 unsigned long *size);
130#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
131#define get_commit_buffer(c, s) repo_get_commit_buffer(the_repository, c, s)
132#endif
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]133
134/*
135 * Tell the commit subsytem that we are done with a particular commit buffer.
136 * The commit and buffer should be the input and return value, respectively,
137 * from an earlier call to get_commit_buffer. The buffer may or may not be
138 * freed by this call; callers should not access the memory afterwards.
139 */
Stefan Beller70315372018-11-14 00:12:58[diff] [blame]140void repo_unuse_commit_buffer(struct repository *r,
141 const struct commit *,
142 const void *buffer);
143#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
144#define unuse_commit_buffer(c, b) repo_unuse_commit_buffer(the_repository, c, b)
145#endif
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]146
147/*
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]148 * Free any cached object buffer associated with the commit.
149 */
Stefan Beller6a7895f2018-12-15 00:09:40[diff] [blame]150void free_commit_buffer(struct parsed_object_pool *pool, struct commit *);
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]151
Nguyễn Thái Ngọc Duy301b8c72019-04-16 09:33:19[diff] [blame]152struct tree *repo_get_commit_tree(struct repository *, const struct commit *);
153#define get_commit_tree(c) repo_get_commit_tree(the_repository, c)
Derrick Stolee5bb03de2018-04-06 19:09:34[diff] [blame]154struct object_id *get_commit_tree_oid(const struct commit *);
155
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]156/*
Stefan Beller14ba97f2018-05-15 21:48:42[diff] [blame]157 * Release memory related to a commit, including the parent list and
158 * any cached object buffer.
159 */
Stefan Beller6a7895f2018-12-15 00:09:40[diff] [blame]160void release_commit_memory(struct parsed_object_pool *pool, struct commit *c);
Stefan Beller14ba97f2018-05-15 21:48:42[diff] [blame]161
162/*
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]163 * Disassociate any cached object buffer from the commit, but do not free it.
164 * The buffer (or NULL, if none) is returned.
165 */
Jeff King8597ea32014-06-10 21:44:13[diff] [blame]166const void *detach_commit_buffer(struct commit *, unsigned long *sizep);
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]167
Christian Couder11af2aa2010-07-22 13:18:30[diff] [blame]168/* Find beginning and length of commit subject. */
169int find_commit_subject(const char *commit_buffer, const char **subject);
170
Thiago Farina47e44ed2010-11-27 01:58:14[diff] [blame]171struct commit_list *commit_list_insert(struct commit *item,
172 struct commit_list **list);
René Scharfe89b5f1d2012-04-25 20:35:27[diff] [blame]173struct commit_list **commit_list_append(struct commit *commit,
174 struct commit_list **next);
Miklos Vajna65319472008-06-27 16:21:55[diff] [blame]175unsigned commit_list_count(const struct commit_list *l);
Thiago Farina47e44ed2010-11-27 01:58:14[diff] [blame]176struct commit_list *commit_list_insert_by_date(struct commit *item,
177 struct commit_list **list);
178void commit_list_sort_by_date(struct commit_list **list);
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]179
Thomas Rast53d00b32013-07-31 20:13:20[diff] [blame]180/* Shallow copy of the input list */
181struct commit_list *copy_commit_list(struct commit_list *list);
182
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]183void free_commit_list(struct commit_list *list);
184
René Scharfe6d167fd2017-03-01 11:37:07[diff] [blame]185struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
186
Denton Liu55454422019-04-29 08:28:14[diff] [blame]187int has_non_ascii(const char *text);
188const char *logmsg_reencode(const struct commit *commit,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]189 char **commit_encoding,
190 const char *output_encoding);
Stefan Beller424510e2018-11-14 00:12:59[diff] [blame]191const char *repo_logmsg_reencode(struct repository *r,
192 const struct commit *commit,
193 char **commit_encoding,
194 const char *output_encoding);
195#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
196#define logmsg_reencode(c, enc, out) repo_logmsg_reencode(the_repository, c, enc, out)
197#endif
198
Denton Liu55454422019-04-29 08:28:14[diff] [blame]199const char *skip_blank_lines(const char *msg);
Linus Torvaldse3bc7a32005-06-01 15:34:23[diff] [blame]200
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]201/** Removes the first commit from a list sorted by date, and adds all
202 * of its parents.
203 **/
Junio C Hamanoa6080a02007-06-07 07:04:01[diff] [blame]204struct commit *pop_most_recent_commit(struct commit_list **list,
Daniel Barkalow58e28af2005-04-24 03:29:22[diff] [blame]205 unsigned int mark);
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]206
jon@blackcubes.dyndns.orga3437b82005-06-06 15:39:40[diff] [blame]207struct commit *pop_commit(struct commit_list **stack);
208
Junio C Hamanof8f9c732006-01-08 02:52:42[diff] [blame]209void clear_commit_marks(struct commit *commit, unsigned int mark);
Junio C Hamanoe895cb52013-03-05 19:42:20[diff] [blame]210void clear_commit_marks_many(int nr, struct commit **commit, unsigned int mark);
Junio C Hamanof8f9c732006-01-08 02:52:42[diff] [blame]211
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]212
213enum rev_sort_order {
214 REV_SORT_IN_GRAPH_ORDER = 0,
Junio C Hamano81c6b382013-06-07 17:35:54[diff] [blame]215 REV_SORT_BY_COMMIT_DATE,
216 REV_SORT_BY_AUTHOR_DATE
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]217};
218
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]219/*
220 * Performs an in-place topological sort of list supplied.
221 *
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]222 * invariant of resulting list is:
223 * a reachable from b => ord(b) < ord(a)
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]224 * sort_order further specifies:
225 * REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent
226 * chain together.
227 * REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order.
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]228 */
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]229void sort_in_topological_order(struct commit_list **, enum rev_sort_order);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]230
231struct commit_graft {
brian m. carlson7683e2e2015-03-13 23:39:34[diff] [blame]232 struct object_id oid;
Johannes Schindelined09aef2006-10-30 19:09:06[diff] [blame]233 int nr_parent; /* < 0 if shallow commit */
brian m. carlson7683e2e2015-03-13 23:39:34[diff] [blame]234 struct object_id parent[FLEX_ARRAY]; /* more */
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]235};
Nguyễn Thái Ngọc Duy09d46642011-08-18 12:29:35[diff] [blame]236typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]237
Patryk Obara9a934032017-08-18 18:33:12[diff] [blame]238struct commit_graft *read_graft_line(struct strbuf *line);
Brandon Williamsa3b78e82018-05-17 22:51:48[diff] [blame]239int register_commit_graft(struct repository *r, struct commit_graft *, int);
Derrick Stolee20fd6d52018-08-20 18:24:30[diff] [blame]240void prepare_commit_graft(struct repository *r);
Stefan Bellerb9dbddf2018-05-17 22:51:54[diff] [blame]241struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]242
Pratik Karki103148a2018-09-04 22:00:08[diff] [blame]243struct commit *get_fork_point(const char *refname, struct commit *commit);
244
Stefano Lattarini41ccfdd2013-04-11 22:36:10[diff] [blame]245/* largest positive number a signed 32-bit integer can contain */
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 09:05:46[diff] [blame]246#define INFINITE_DEPTH 0x7fffffff
247
brian m. carlson910650d2017-03-31 01:40:00[diff] [blame]248struct oid_array;
Nguyễn Thái Ngọc Duy58babff2013-12-05 13:02:35[diff] [blame]249struct ref;
Denton Liu55454422019-04-29 08:28:14[diff] [blame]250int register_shallow(struct repository *r, const struct object_id *oid);
251int unregister_shallow(const struct object_id *oid);
252int for_each_commit_graft(each_commit_graft_fn, void *);
253int is_repository_shallow(struct repository *r);
254struct commit_list *get_shallow_commits(struct object_array *heads,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]255 int depth, int shallow_flag, int not_shallow_flag);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]256struct commit_list *get_shallow_commits_by_rev_list(
Nguyễn Thái Ngọc Duy3d9ff4d2016-06-12 10:53:57[diff] [blame]257 int ac, const char **av, int shallow_flag, int not_shallow_flag);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]258void set_alternate_shallow_file(struct repository *r, const char *path, int override);
259int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]260 const struct oid_array *extra);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]261void setup_alternate_shallow(struct lock_file *shallow_lock,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]262 const char **alternate_shallow_file,
263 const struct oid_array *extra);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]264const char *setup_temporary_shallow(const struct oid_array *extra);
265void advertise_shallow_grafts(int);
Johannes Schindelined09aef2006-10-30 19:09:06[diff] [blame]266
Jonathan Tan1e7d4402019-03-26 19:31:20[diff] [blame]267/*
268 * Initialize with prepare_shallow_info() or zero-initialize (equivalent to
269 * prepare_shallow_info with a NULL oid_array).
270 */
Nguyễn Thái Ngọc Duy58babff2013-12-05 13:02:35[diff] [blame]271struct shallow_info {
brian m. carlson910650d2017-03-31 01:40:00[diff] [blame]272 struct oid_array *shallow;
Nguyễn Thái Ngọc Duy58babff2013-12-05 13:02:35[diff] [blame]273 int *ours, nr_ours;
274 int *theirs, nr_theirs;
brian m. carlson910650d2017-03-31 01:40:00[diff] [blame]275 struct oid_array *ref;
Nguyễn Thái Ngọc Duy0a1bc122013-12-05 13:02:47[diff] [blame]276
277 /* for receive-pack */
278 uint32_t **used_shallow;
279 int *need_reachability_test;
280 int *reachable;
281 int *shallow_ref;
282 struct commit **commits;
283 int nr_commits;
Nguyễn Thái Ngọc Duy58babff2013-12-05 13:02:35[diff] [blame]284};
285
Denton Liu55454422019-04-29 08:28:14[diff] [blame]286void prepare_shallow_info(struct shallow_info *, struct oid_array *);
287void clear_shallow_info(struct shallow_info *);
288void remove_nonexistent_theirs_shallow(struct shallow_info *);
289void assign_shallow_commits_to_refs(struct shallow_info *info,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]290 uint32_t **used,
291 int *ref_status);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]292int delayed_reachability_test(struct shallow_info *si, int c);
Johannes Schindelin2588f6e2018-10-24 15:56:12[diff] [blame]293#define PRUNE_SHOW_ONLY 1
294#define PRUNE_QUICK 2
Denton Liu55454422019-04-29 08:28:14[diff] [blame]295void prune_shallow(unsigned options);
Karsten Blees6aa30852014-07-12 00:00:06[diff] [blame]296extern struct trace_key trace_shallow;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]297
Denton Liu55454422019-04-29 08:28:14[diff] [blame]298int interactive_add(int argc, const char **argv, const char *prefix, int patch);
299int run_add_interactive(const char *revision, const char *patch_mode,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]300 const struct pathspec *pathspec);
Kristian Høgsberg58680162007-09-18 00:06:44[diff] [blame]301
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]302struct commit_extra_header {
303 struct commit_extra_header *next;
304 char *key;
305 char *value;
306 size_t len;
307};
308
Denton Liu55454422019-04-29 08:28:14[diff] [blame]309void append_merge_tag_headers(struct commit_list *parents,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]310 struct commit_extra_header ***tail);
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]311
Denton Liu55454422019-04-29 08:28:14[diff] [blame]312int commit_tree(const char *msg, size_t msg_len,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]313 const struct object_id *tree,
314 struct commit_list *parents, struct object_id *ret,
315 const char *author, const char *sign_commit);
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]316
Denton Liu55454422019-04-29 08:28:14[diff] [blame]317int commit_tree_extended(const char *msg, size_t msg_len,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]318 const struct object_id *tree,
319 struct commit_list *parents,
320 struct object_id *ret, const char *author,
321 const char *sign_commit,
322 struct commit_extra_header *);
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]323
Denton Liu55454422019-04-29 08:28:14[diff] [blame]324struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
Junio C Hamanoed7a42a2011-11-08 23:38:07[diff] [blame]325
Denton Liu55454422019-04-29 08:28:14[diff] [blame]326void free_commit_extra_headers(struct commit_extra_header *extra);
Jeff King40d52ff2010-04-02 00:05:23[diff] [blame]327
Jeff Kingfe6eb7f2014-08-27 07:56:01[diff] [blame]328/*
329 * Search the commit object contents given by "msg" for the header "key".
330 * Returns a pointer to the start of the header contents, or NULL. The length
331 * of the header, up to the first newline, is returned via out_len.
332 *
333 * Note that some headers (like mergetag) may be multi-line. It is the caller's
334 * responsibility to parse further in this case!
335 */
Denton Liu55454422019-04-29 08:28:14[diff] [blame]336const char *find_commit_header(const char *msg, const char *key,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]337 size_t *out_len);
Jeff Kingfe6eb7f2014-08-27 07:56:01[diff] [blame]338
Christian Couder8c384582014-11-09 09:23:41[diff] [blame]339/* Find the end of the log message, the right place for a new trailer. */
Denton Liu55454422019-04-29 08:28:14[diff] [blame]340size_t ignore_non_trailer(const char *buf, size_t len);
Christian Couder8c384582014-11-09 09:23:41[diff] [blame]341
Johannes Schindelinfef461e2018-04-25 09:54:04[diff] [blame]342typedef int (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]343 void *cb_data);
Christian Couder063da622014-07-07 06:35:37[diff] [blame]344
Denton Liu55454422019-04-29 08:28:14[diff] [blame]345int for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data);
Christian Couder063da622014-07-07 06:35:37[diff] [blame]346
Junio C Hamanoae8e4c92011-11-07 21:26:22[diff] [blame]347struct merge_remote_desc {
348 struct object *obj; /* the named object, could be a tag */
René Scharfe5447a762016-08-13 12:21:27[diff] [blame]349 char name[FLEX_ARRAY];
Junio C Hamanoae8e4c92011-11-07 21:26:22[diff] [blame]350};
Denton Liu55454422019-04-29 08:28:14[diff] [blame]351struct merge_remote_desc *merge_remote_util(struct commit *);
352void set_merge_remote_desc(struct commit *commit,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]353 const char *name, struct object *obj);
Junio C Hamanoae8e4c92011-11-07 21:26:22[diff] [blame]354
355/*
356 * Given "name" from the command line to merge, find the commit object
357 * and return it, while storing merge_remote_desc in its ->util field,
358 * to allow callers to tell if we are told to merge a tag.
359 */
360struct commit *get_merge_parent(const char *name);
361
Denton Liu55454422019-04-29 08:28:14[diff] [blame]362int parse_signed_commit(const struct commit *commit,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]363 struct strbuf *message, struct strbuf *signature);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]364int remove_signature(struct strbuf *buf);
Christian Couder0b05ab62014-07-19 15:01:12[diff] [blame]365
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]366/*
Sebastian Götteeb307ae2013-03-31 16:02:46[diff] [blame]367 * Check the signature of the given commit. The result of the check is stored
368 * in sig->check_result, 'G' for a good signature, 'U' for a good signature
369 * from an untrusted signer, 'B' for a bad signature and 'N' for no signature
370 * at all. This may allocate memory for sig->gpg_output, sig->gpg_status,
371 * sig->signer and sig->key.
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]372 */
Denton Liu55454422019-04-29 08:28:14[diff] [blame]373int check_commit_signature(const struct commit *commit, struct signature_check *sigc);
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]374
Derrick Stolee5284fc52018-11-01 13:46:21[diff] [blame]375/* record author-date for each commit object */
376struct author_date_slab;
377void record_author_date(struct author_date_slab *author_date,
378 struct commit *commit);
379
380int compare_commits_by_author_date(const void *a_, const void *b_, void *unused);
Junio C Hamano6d2035e2018-11-18 09:23:54[diff] [blame]381
Jeff Kingedc4d472018-11-06 07:50:17[diff] [blame]382/*
383 * Verify a single commit with check_commit_signature() and die() if it is not
384 * a good signature. This isn't really suitable for general use, but is a
385 * helper to implement consistent logic for pull/merge --verify-signatures.
386 */
387void verify_merge_signature(struct commit *commit, int verbose);
388
Jeff King727377f2013-07-02 06:21:48[diff] [blame]389int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused);
Derrick Stolee3afc6792018-05-01 12:47:11[diff] [blame]390int compare_commits_by_gen_then_commit_date(const void *a_, const void *b_, void *unused);
Jeff King727377f2013-07-02 06:21:48[diff] [blame]391
Benoit Pierre15048f82014-03-18 10:00:53[diff] [blame]392LAST_ARG_MUST_BE_NULL
Denton Liub199d712019-04-29 08:28:20[diff] [blame]393int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...);
Benoit Pierre15048f82014-03-18 10:00:53[diff] [blame]394
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]395#endif /* COMMIT_H */