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chromium / external / github.com / git / git / refs/tags/v2.52.0-rc1 / . / commit.h
blob: 1d6e0c7518b3bb7d1f478b157a509f658515e52d [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"
Leon Michalak2b3ae042025-07-29 07:01:51[diff] [blame]5#include "add-interactive.h"
Elijah Newrend4a4f922023-04-22 20:17:26[diff] [blame]6
7struct signature_check;
8struct strbuf;
9struct tree;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]10
Derrick Stolee177722b2018-04-10 12:56:05[diff] [blame]11#define COMMIT_NOT_FROM_GRAPH 0xFFFFFFFF
Abhishek Kumard7f92782021-01-16 18:11:13[diff] [blame]12#define GENERATION_NUMBER_INFINITY ((1ULL << 63) - 1)
13#define GENERATION_NUMBER_V1_MAX 0x3FFFFFFF
Derrick Stolee83073cc2018-04-25 14:37:55[diff] [blame]14#define GENERATION_NUMBER_ZERO 0
Abhishek Kumare8b63002021-01-16 18:11:15[diff] [blame]15#define GENERATION_NUMBER_V2_OFFSET_MAX ((1ULL << 31) - 1)
Derrick Stolee177722b2018-04-10 12:56:05[diff] [blame]16
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]17struct commit_list {
18 struct commit *item;
19 struct commit_list *next;
20};
21
Nguyễn Thái Ngọc Duy9d2c9702018-05-19 05:28:31[diff] [blame]22/*
23 * The size of this struct matters in full repo walk operations like
24 * 'git clone' or 'git gc'. Consider using commit-slab to attach data
25 * to a commit instead of adding new fields here.
26 */
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]27struct commit {
28 struct object object;
Johannes Schindelindddbad72017-04-26 19:29:31[diff] [blame]29 timestamp_t date;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]30 struct commit_list *parents;
Derrick Stolee7b8a21d2018-04-06 19:09:46[diff] [blame]31
32 /*
33 * If the commit is loaded from the commit-graph file, then this
Nguyễn Thái Ngọc Duy301b8c72019-04-16 09:33:19[diff] [blame]34 * member may be NULL. Only access it through repo_get_commit_tree()
Derrick Stolee7b8a21d2018-04-06 19:09:46[diff] [blame]35 * or get_commit_tree_oid().
36 */
Derrick Stolee891435d2018-04-06 19:09:32[diff] [blame]37 struct tree *maybe_tree;
Nguyễn Thái Ngọc Duy25f859f2018-05-11 17:20:54[diff] [blame]38 unsigned int index;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]39};
40
Linus Torvalds60ab26d2005-09-15 21:43:17[diff] [blame]41extern int save_commit_buffer;
Ævar Arnfjörð Bjarmasonab628582021-08-23 10:44:02[diff] [blame]42extern int no_graft_file_deprecated_advice;
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]43extern const char *commit_type;
44
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]45/* While we can decorate any object with a name, it's only used for commits.. */
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]46struct name_decoration {
47 struct name_decoration *next;
Nazri Ramliyeb3005e2010-06-19 01:37:33[diff] [blame]48 int type;
Jeff King2e3dfb22014-08-26 10:24:20[diff] [blame]49 char name[FLEX_ARRAY];
Linus Torvaldsca135e72007-04-16 23:05:10[diff] [blame]50};
51
Jeff King662174d2014-08-26 10:23:36[diff] [blame]52enum decoration_type {
53 DECORATION_NONE = 0,
54 DECORATION_REF_LOCAL,
55 DECORATION_REF_REMOTE,
56 DECORATION_REF_TAG,
57 DECORATION_REF_STASH,
58 DECORATION_REF_HEAD,
59 DECORATION_GRAFTED,
60};
61
62void add_name_decoration(enum decoration_type type, const char *name, struct object *obj);
Jeff King2608c242014-08-26 10:23:54[diff] [blame]63const struct name_decoration *get_name_decoration(const struct object *obj);
Jeff King662174d2014-08-26 10:23:36[diff] [blame]64
Phillip Woodb8dbfd02022-10-17 13:17:40[diff] [blame]65/*
66 * Look up commit named by "oid" respecting replacement objects.
67 * Returns NULL if "oid" is not a commit or does not exist.
68 */
69struct commit *lookup_commit_object(struct repository *r, const struct object_id *oid);
70
71/*
72 * Look up commit named by "oid" without replacement objects or
73 * checking for object existence. Returns the requested commit if it
74 * is found in the object cache, NULL if "oid" is in the object cache
75 * but is not a commit and a newly allocated unparsed commit object if
76 * "oid" is not in the object cache.
77 */
Stefan Bellerbacf1682018-06-29 01:22:10[diff] [blame]78struct commit *lookup_commit(struct repository *r, const struct object_id *oid);
Stefan Beller1f6c72f2018-06-29 01:22:22[diff] [blame]79struct commit *lookup_commit_reference(struct repository *r,
80 const struct object_id *oid);
Stefan Bellerd9a05e72018-06-29 01:22:21[diff] [blame]81struct commit *lookup_commit_reference_gently(struct repository *r,
Stefan Beller21e1ee82018-06-29 01:21:57[diff] [blame]82 const struct object_id *oid,
Junio C Hamanof76412e2005-08-21 09:51:10[diff] [blame]83 int quiet);
Pat Notza6fa5992010-11-02 19:59:07[diff] [blame]84struct commit *lookup_commit_reference_by_name(const char *name);
Derrick Stolee69020d02024-08-14 10:31:28[diff] [blame]85struct commit *lookup_commit_reference_by_name_gently(const char *name,
86 int quiet);
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]87
Nguyễn Thái Ngọc Duybaf18fc2011-09-17 11:57:45[diff] [blame]88/*
brian m. carlsonbc832662017-05-06 22:10:10[diff] [blame]89 * Look up object named by "oid", dereference tag as necessary,
90 * get a commit and return it. If "oid" does not dereference to
Nguyễn Thái Ngọc Duybaf18fc2011-09-17 11:57:45[diff] [blame]91 * a commit, use ref_name to report an error and die.
92 */
brian m. carlsonbc832662017-05-06 22:10:10[diff] [blame]93struct 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]94
Stefan Bellerfd8030c2018-06-29 01:22:13[diff] [blame]95int 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]96int repo_parse_commit_internal(struct repository *r, struct commit *item,
97 int quiet_on_missing, int use_commit_graph);
98int repo_parse_commit_gently(struct repository *r,
99 struct commit *item,
100 int quiet_on_missing);
101static inline int repo_parse_commit(struct repository *r, struct commit *item)
Jeff King9cc2b072015-06-01 09:56:26[diff] [blame]102{
Stefan Beller9e5252a2018-11-14 00:12:50[diff] [blame]103 return repo_parse_commit_gently(r, item, 0);
Jeff King9cc2b072015-06-01 09:56:26[diff] [blame]104}
Ævar Arnfjörð Bjarmason43d35612019-03-25 12:08:33[diff] [blame]105
Derrick Stoleec4cc0832021-02-01 17:15:03[diff] [blame]106static inline int repo_parse_commit_no_graph(struct repository *r,
107 struct commit *commit)
Ævar Arnfjörð Bjarmason43d35612019-03-25 12:08:33[diff] [blame]108{
Derrick Stoleec4cc0832021-02-01 17:15:03[diff] [blame]109 return repo_parse_commit_internal(r, commit, 0, 0);
Ævar Arnfjörð Bjarmason43d35612019-03-25 12:08:33[diff] [blame]110}
111
Jeff King7059dcc2013-10-24 08:52:36[diff] [blame]112void parse_commit_or_die(struct commit *item);
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]113
Patrick Steinhardt0d1d22f2024-09-05 10:09:12[diff] [blame]114void unparse_commit(struct repository *r, const struct object_id *oid);
115
Stefan Beller65ea9d42018-06-29 01:22:15[diff] [blame]116struct buffer_slab;
117struct buffer_slab *allocate_commit_buffer_slab(void);
118void free_commit_buffer_slab(struct buffer_slab *bs);
119
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]120/*
Jeff King66c28272014-06-10 21:40:14[diff] [blame]121 * Associate an object buffer with the commit. The ownership of the
122 * memory is handed over to the commit, and must be free()-able.
123 */
Stefan Beller1a40fc42018-06-29 01:22:16[diff] [blame]124void set_commit_buffer(struct repository *r, struct commit *, void *buffer, unsigned long size);
Jeff King66c28272014-06-10 21:40:14[diff] [blame]125
126/*
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]127 * Get any cached object buffer associated with the commit. Returns NULL
128 * if none. The resulting memory should not be freed.
129 */
Stefan Beller4ff7e5c2018-06-29 01:22:17[diff] [blame]130const void *get_cached_commit_buffer(struct repository *, const struct commit *, unsigned long *size);
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]131
132/*
133 * Get the commit's object contents, either from cache or by reading the object
134 * from disk. The resulting memory should not be modified, and must be given
Ævar Arnfjörð Bjarmasonc7c33f52023-03-28 13:58:57[diff] [blame]135 * to repo_unuse_commit_buffer when the caller is done.
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]136 */
Stefan Beller07de3fd2018-11-14 00:12:57[diff] [blame]137const void *repo_get_commit_buffer(struct repository *r,
138 const struct commit *,
139 unsigned long *size);
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]140
141/*
Elijah Newren15beaaa2019-11-05 17:07:23[diff] [blame]142 * Tell the commit subsystem that we are done with a particular commit buffer.
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]143 * The commit and buffer should be the input and return value, respectively,
Ævar Arnfjörð Bjarmasonc7c33f52023-03-28 13:58:57[diff] [blame]144 * from an earlier call to repo_get_commit_buffer. The buffer may or may not be
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]145 * freed by this call; callers should not access the memory afterwards.
146 */
Stefan Beller70315372018-11-14 00:12:58[diff] [blame]147void repo_unuse_commit_buffer(struct repository *r,
148 const struct commit *,
149 const void *buffer);
Jeff King152ff1c2014-06-10 21:40:39[diff] [blame]150
151/*
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]152 * Free any cached object buffer associated with the commit.
153 */
Stefan Beller6a7895f2018-12-15 00:09:40[diff] [blame]154void free_commit_buffer(struct parsed_object_pool *pool, struct commit *);
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]155
Nguyễn Thái Ngọc Duy301b8c72019-04-16 09:33:19[diff] [blame]156struct tree *repo_get_commit_tree(struct repository *, const struct commit *);
Derrick Stolee5bb03de2018-04-06 19:09:34[diff] [blame]157struct object_id *get_commit_tree_oid(const struct commit *);
158
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]159/*
Stefan Beller14ba97f2018-05-15 21:48:42[diff] [blame]160 * Release memory related to a commit, including the parent list and
161 * any cached object buffer.
162 */
Stefan Beller6a7895f2018-12-15 00:09:40[diff] [blame]163void release_commit_memory(struct parsed_object_pool *pool, struct commit *c);
Stefan Beller14ba97f2018-05-15 21:48:42[diff] [blame]164
165/*
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]166 * Disassociate any cached object buffer from the commit, but do not free it.
167 * The buffer (or NULL, if none) is returned.
168 */
Jeff King8597ea32014-06-10 21:44:13[diff] [blame]169const void *detach_commit_buffer(struct commit *, unsigned long *sizep);
Jeff King0fb370d2014-06-12 22:05:37[diff] [blame]170
Christian Couder11af2aa2010-07-22 13:18:30[diff] [blame]171/* Find beginning and length of commit subject. */
172int find_commit_subject(const char *commit_buffer, const char **subject);
173
Charvi Mendiratta6e0e2882021-03-15 07:54:31[diff] [blame]174/* Return length of the commit subject from commit log message. */
175size_t commit_subject_length(const char *body);
176
Thiago Farina47e44ed2010-11-27 01:58:14[diff] [blame]177struct commit_list *commit_list_insert(struct commit *item,
178 struct commit_list **list);
Derrick Stolee597b2c32020-12-08 22:04:13[diff] [blame]179int commit_list_contains(struct commit *item,
180 struct commit_list *list);
René Scharfe89b5f1d2012-04-25 20:35:27[diff] [blame]181struct commit_list **commit_list_append(struct commit *commit,
182 struct commit_list **next);
Miklos Vajna65319472008-06-27 16:21:55[diff] [blame]183unsigned commit_list_count(const struct commit_list *l);
Thiago Farina47e44ed2010-11-27 01:58:14[diff] [blame]184struct commit_list *commit_list_insert_by_date(struct commit *item,
185 struct commit_list **list);
186void commit_list_sort_by_date(struct commit_list **list);
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]187
Thomas Rast53d00b32013-07-31 20:13:20[diff] [blame]188/* Shallow copy of the input list */
Patrick Steinhardt44ec7c52024-06-11 09:21:11[diff] [blame]189struct commit_list *copy_commit_list(const struct commit_list *list);
Thomas Rast53d00b32013-07-31 20:13:20[diff] [blame]190
Elijah Newrenb0ca1202020-12-16 22:27:59[diff] [blame]191/* Modify list in-place to reverse it, returning new head; list will be tail */
192struct commit_list *reverse_commit_list(struct commit_list *list);
193
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]194void free_commit_list(struct commit_list *list);
195
René Scharfe6d167fd2017-03-01 11:37:07[diff] [blame]196struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
197
Stefan Beller424510e2018-11-14 00:12:59[diff] [blame]198const char *repo_logmsg_reencode(struct repository *r,
199 const struct commit *commit,
200 char **commit_encoding,
201 const char *output_encoding);
Stefan Beller424510e2018-11-14 00:12:59[diff] [blame]202
Denton Liu55454422019-04-29 08:28:14[diff] [blame]203const char *skip_blank_lines(const char *msg);
Linus Torvaldse3bc7a32005-06-01 15:34:23[diff] [blame]204
René Scharfed6ec0872025-07-18 09:39:06[diff] [blame]205struct prio_queue;
206
207/* Removes the first commit from a prio_queue and adds its parents. */
208struct commit *pop_most_recent_commit(struct prio_queue *queue,
Daniel Barkalow58e28af2005-04-24 03:29:22[diff] [blame]209 unsigned int mark);
Daniel Barkalowdd97f852005-04-24 01:47:23[diff] [blame]210
jon@blackcubes.dyndns.orga3437b82005-06-06 15:39:40[diff] [blame]211struct commit *pop_commit(struct commit_list **stack);
212
Junio C Hamanof8f9c732006-01-08 02:52:42[diff] [blame]213void clear_commit_marks(struct commit *commit, unsigned int mark);
Patrick Steinhardt85ee0682024-12-27 10:46:25[diff] [blame]214void clear_commit_marks_many(size_t nr, struct commit **commit, unsigned int mark);
Junio C Hamanof8f9c732006-01-08 02:52:42[diff] [blame]215
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]216
217enum rev_sort_order {
218 REV_SORT_IN_GRAPH_ORDER = 0,
Junio C Hamano81c6b382013-06-07 17:35:54[diff] [blame]219 REV_SORT_BY_COMMIT_DATE,
220 REV_SORT_BY_AUTHOR_DATE
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]221};
222
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]223/*
224 * Performs an in-place topological sort of list supplied.
225 *
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]226 * invariant of resulting list is:
227 * a reachable from b => ord(b) < ord(a)
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]228 * sort_order further specifies:
229 * REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent
230 * chain together.
231 * REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order.
Jon Seymourab580ac2005-07-06 16:39:34[diff] [blame]232 */
Junio C Hamano08f704f2013-06-06 23:07:14[diff] [blame]233void sort_in_topological_order(struct commit_list **, enum rev_sort_order);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]234
235struct commit_graft {
brian m. carlson7683e2e2015-03-13 23:39:34[diff] [blame]236 struct object_id oid;
Johannes Schindelined09aef2006-10-30 19:09:06[diff] [blame]237 int nr_parent; /* < 0 if shallow commit */
brian m. carlson7683e2e2015-03-13 23:39:34[diff] [blame]238 struct object_id parent[FLEX_ARRAY]; /* more */
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]239};
Nguyễn Thái Ngọc Duy09d46642011-08-18 12:29:35[diff] [blame]240typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]241
Patryk Obara9a934032017-08-18 18:33:12[diff] [blame]242struct commit_graft *read_graft_line(struct strbuf *line);
Taylor Blau183df642020-04-30 21:11:28[diff] [blame]243/* commit_graft_pos returns an index into r->parsed_objects->grafts. */
Jeff King98c431b2021-01-28 06:12:35[diff] [blame]244int commit_graft_pos(struct repository *r, const struct object_id *oid);
Brandon Williamsa3b78e82018-05-17 22:51:48[diff] [blame]245int register_commit_graft(struct repository *r, struct commit_graft *, int);
Derrick Stolee20fd6d52018-08-20 18:24:30[diff] [blame]246void prepare_commit_graft(struct repository *r);
Stefan Bellerb9dbddf2018-05-17 22:51:54[diff] [blame]247struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid);
Junio C Hamano5040f172006-04-07 06:58:51[diff] [blame]248
Pratik Karki103148a2018-09-04 22:00:08[diff] [blame]249struct commit *get_fork_point(const char *refname, struct commit *commit);
250
Stefano Lattarini41ccfdd2013-04-11 22:36:10[diff] [blame]251/* largest positive number a signed 32-bit integer can contain */
Nguyễn Thái Ngọc Duy4dcb1672013-01-11 09:05:46[diff] [blame]252#define INFINITE_DEPTH 0x7fffffff
253
brian m. carlson910650d2017-03-31 01:40:00[diff] [blame]254struct oid_array;
Nguyễn Thái Ngọc Duy58babff2013-12-05 13:02:35[diff] [blame]255struct ref;
Denton Liu55454422019-04-29 08:28:14[diff] [blame]256int for_each_commit_graft(each_commit_graft_fn, void *);
Johannes Schindelined09aef2006-10-30 19:09:06[diff] [blame]257
John Cai83647452024-09-13 21:16:17[diff] [blame]258int interactive_add(struct repository *repo,
259 const char **argv,
260 const char *prefix,
Leon Michalak2b3ae042025-07-29 07:01:51[diff] [blame]261 int patch, struct add_p_opt *add_p_opt);
Kristian Høgsberg58680162007-09-18 00:06:44[diff] [blame]262
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]263struct commit_extra_header {
264 struct commit_extra_header *next;
265 char *key;
266 char *value;
267 size_t len;
268};
269
Patrick Steinhardt63c9bd32024-06-11 09:20:42[diff] [blame]270void append_merge_tag_headers(const struct commit_list *parents,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]271 struct commit_extra_header ***tail);
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]272
Denton Liu55454422019-04-29 08:28:14[diff] [blame]273int commit_tree(const char *msg, size_t msg_len,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]274 const struct object_id *tree,
Patrick Steinhardt63c9bd32024-06-11 09:20:42[diff] [blame]275 const struct commit_list *parents, struct object_id *ret,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]276 const char *author, const char *sign_commit);
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]277
Denton Liu55454422019-04-29 08:28:14[diff] [blame]278int commit_tree_extended(const char *msg, size_t msg_len,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]279 const struct object_id *tree,
Patrick Steinhardt63c9bd32024-06-11 09:20:42[diff] [blame]280 const struct commit_list *parents, struct object_id *ret,
Phillip Woode8cbe212020-08-17 17:40:01[diff] [blame]281 const char *author, const char *committer,
Patrick Steinhardt63c9bd32024-06-11 09:20:42[diff] [blame]282 const char *sign_commit, const struct commit_extra_header *);
Junio C Hamano5231c632011-11-08 00:21:32[diff] [blame]283
Denton Liu55454422019-04-29 08:28:14[diff] [blame]284struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
Junio C Hamanoed7a42a2011-11-08 23:38:07[diff] [blame]285
Denton Liu55454422019-04-29 08:28:14[diff] [blame]286void free_commit_extra_headers(struct commit_extra_header *extra);
Jeff King40d52ff2010-04-02 00:05:23[diff] [blame]287
Jeff Kingfe6eb7f2014-08-27 07:56:01[diff] [blame]288/*
289 * Search the commit object contents given by "msg" for the header "key".
Jeff Kingfe6eb7f2014-08-27 07:56:01[diff] [blame]290 * Returns a pointer to the start of the header contents, or NULL. The length
291 * of the header, up to the first newline, is returned via out_len.
292 *
293 * Note that some headers (like mergetag) may be multi-line. It is the caller's
294 * responsibility to parse further in this case!
295 */
Denton Liu55454422019-04-29 08:28:14[diff] [blame]296const char *find_commit_header(const char *msg, const char *key,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]297 size_t *out_len);
Jeff Kingfe6eb7f2014-08-27 07:56:01[diff] [blame]298
Linus Arver7cb26a12023-10-20 19:01:33[diff] [blame]299/* Find the number of bytes to ignore from the end of a log message. */
300size_t ignored_log_message_bytes(const char *buf, size_t len);
Christian Couder8c384582014-11-09 09:23:41[diff] [blame]301
Johannes Schindelinfef461e2018-04-25 09:54:04[diff] [blame]302typedef int (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]303 void *cb_data);
Christian Couder063da622014-07-07 06:35:37[diff] [blame]304
Denton Liu55454422019-04-29 08:28:14[diff] [blame]305int for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data);
Christian Couder063da622014-07-07 06:35:37[diff] [blame]306
Junio C Hamanoae8e4c92011-11-07 21:26:22[diff] [blame]307struct merge_remote_desc {
308 struct object *obj; /* the named object, could be a tag */
René Scharfe5447a762016-08-13 12:21:27[diff] [blame]309 char name[FLEX_ARRAY];
Junio C Hamanoae8e4c92011-11-07 21:26:22[diff] [blame]310};
Patrick Steinhardt63c9bd32024-06-11 09:20:42[diff] [blame]311struct merge_remote_desc *merge_remote_util(const struct commit *);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]312void set_merge_remote_desc(struct commit *commit,
Denton Liuad6dad02019-04-29 08:28:23[diff] [blame]313 const char *name, struct object *obj);
Junio C Hamanoae8e4c92011-11-07 21:26:22[diff] [blame]314
315/*
316 * Given "name" from the command line to merge, find the commit object
317 * and return it, while storing merge_remote_desc in its ->util field,
318 * to allow callers to tell if we are told to merge a tag.
319 */
320struct commit *get_merge_parent(const char *name);
321
Denton Liu55454422019-04-29 08:28:14[diff] [blame]322int parse_signed_commit(const struct commit *commit,
brian m. carlson1fb5cf02021-01-18 23:49:11[diff] [blame]323 struct strbuf *message, struct strbuf *signature,
324 const struct git_hash_algo *algop);
Denton Liu55454422019-04-29 08:28:14[diff] [blame]325int remove_signature(struct strbuf *buf);
Christian Couder0b05ab62014-07-19 15:01:12[diff] [blame]326
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]327/*
Sebastian Götteeb307ae2013-03-31 16:02:46[diff] [blame]328 * Check the signature of the given commit. The result of the check is stored
329 * in sig->check_result, 'G' for a good signature, 'U' for a good signature
330 * from an untrusted signer, 'B' for a bad signature and 'N' for no signature
331 * at all. This may allocate memory for sig->gpg_output, sig->gpg_status,
332 * sig->signer and sig->key.
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]333 */
Denton Liu55454422019-04-29 08:28:14[diff] [blame]334int check_commit_signature(const struct commit *commit, struct signature_check *sigc);
Sebastian Götteffb6d7d2013-03-31 16:00:14[diff] [blame]335
Derrick Stolee5284fc52018-11-01 13:46:21[diff] [blame]336/* record author-date for each commit object */
337struct author_date_slab;
338void record_author_date(struct author_date_slab *author_date,
339 struct commit *commit);
340
341int compare_commits_by_author_date(const void *a_, const void *b_, void *unused);
Junio C Hamano6d2035e2018-11-18 09:23:54[diff] [blame]342
Jeff Kingedc4d472018-11-06 07:50:17[diff] [blame]343/*
344 * Verify a single commit with check_commit_signature() and die() if it is not
345 * a good signature. This isn't really suitable for general use, but is a
346 * helper to implement consistent logic for pull/merge --verify-signatures.
Hans Jerry Illikainen54887b42019-12-27 13:55:57[diff] [blame]347 *
348 * The check_trust parameter is meant for backward-compatibility. The GPG
349 * interface verifies key trust with a default trust level that is below the
350 * default trust level for merge operations. Its value should be non-zero if
351 * the user hasn't set a minimum trust level explicitly in their configuration.
352 *
353 * If the user has set a minimum trust level, then that value should be obeyed
354 * and check_trust should be zero, even if the configured trust level is below
355 * the default trust level for merges.
Jeff Kingedc4d472018-11-06 07:50:17[diff] [blame]356 */
Hans Jerry Illikainen54887b42019-12-27 13:55:57[diff] [blame]357void verify_merge_signature(struct commit *commit, int verbose,
358 int check_trust);
Jeff Kingedc4d472018-11-06 07:50:17[diff] [blame]359
Jeff King727377f2013-07-02 06:21:48[diff] [blame]360int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused);
Derrick Stolee3afc6792018-05-01 12:47:11[diff] [blame]361int compare_commits_by_gen_then_commit_date(const void *a_, const void *b_, void *unused);
Jeff King727377f2013-07-02 06:21:48[diff] [blame]362
Benoit Pierre15048f82014-03-18 10:00:53[diff] [blame]363LAST_ARG_MUST_BE_NULL
Ævar Arnfjörð Bjarmasona8cc5942022-03-07 12:33:46[diff] [blame]364int run_commit_hook(int editor_is_used, const char *index_file,
365 int *invoked_hook, const char *name, ...);
Benoit Pierre15048f82014-03-18 10:00:53[diff] [blame]366
brian m. carlson937032e2021-02-11 02:08:04[diff] [blame]367/* Sign a commit or tag buffer, storing the result in a header. */
368int sign_with_header(struct strbuf *buf, const char *keyid);
369/* Parse the signature out of a header. */
370int parse_buffer_signed_by_header(const char *buffer,
371 unsigned long size,
372 struct strbuf *payload,
373 struct strbuf *signature,
374 const struct git_hash_algo *algop);
Eric W. Biederman6bcc5fa2023-10-02 02:40:15[diff] [blame]375int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo);
brian m. carlson937032e2021-02-11 02:08:04[diff] [blame]376
Daniel Barkalow6eb8ae02005-04-18 18:39:48[diff] [blame]377#endif /* COMMIT_H */