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Commit | Line | Data |
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6eb8ae00 DB |
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" |
6eb8ae00 DB |
8 | |
9 | struct commit_list { | |
10 | struct commit *item; | |
11 | struct commit_list *next; | |
12 | }; | |
13 | ||
14 | struct commit { | |
15 | struct object object; | |
d3ff6f55 | 16 | void *util; |
23c17d4a | 17 | unsigned int indegree; |
6eb8ae00 DB |
18 | unsigned long date; |
19 | struct commit_list *parents; | |
20 | struct tree *tree; | |
bd1e17e2 | 21 | char *buffer; |
6eb8ae00 DB |
22 | }; |
23 | ||
60ab26de | 24 | extern int save_commit_buffer; |
6eb8ae00 DB |
25 | extern const char *commit_type; |
26 | ||
ca135e7a LT |
27 | /* While we can decorate any object with a name, it's only used for commits.. */ |
28 | extern struct decoration name_decoration; | |
29 | struct name_decoration { | |
30 | struct name_decoration *next; | |
eb3005e2 | 31 | int type; |
ca135e7a LT |
32 | char name[1]; |
33 | }; | |
34 | ||
5d6ccf5c JM |
35 | struct commit *lookup_commit(const unsigned char *sha1); |
36 | struct commit *lookup_commit_reference(const unsigned char *sha1); | |
f76412ed JH |
37 | struct commit *lookup_commit_reference_gently(const unsigned char *sha1, |
38 | int quiet); | |
a6fa5992 | 39 | struct commit *lookup_commit_reference_by_name(const char *name); |
6eb8ae00 | 40 | |
baf18fc2 NTND |
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 | */ | |
46 | struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name); | |
47 | ||
cf7b1cad | 48 | int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size); |
6eb8ae00 DB |
49 | int parse_commit(struct commit *item); |
50 | ||
11af2aae CC |
51 | /* Find beginning and length of commit subject. */ |
52 | int find_commit_subject(const char *commit_buffer, const char **subject); | |
53 | ||
47e44ed1 TF |
54 | struct commit_list *commit_list_insert(struct commit *item, |
55 | struct commit_list **list); | |
65319475 | 56 | unsigned commit_list_count(const struct commit_list *l); |
47e44ed1 TF |
57 | struct commit_list *commit_list_insert_by_date(struct commit *item, |
58 | struct commit_list **list); | |
59 | void commit_list_sort_by_date(struct commit_list **list); | |
dd97f850 | 60 | |
6eb8ae00 DB |
61 | void free_commit_list(struct commit_list *list); |
62 | ||
000182ea LT |
63 | /* Commit formats */ |
64 | enum cmit_fmt { | |
65 | CMIT_FMT_RAW, | |
66 | CMIT_FMT_MEDIUM, | |
67 | CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, | |
9b66ec04 LT |
68 | CMIT_FMT_SHORT, |
69 | CMIT_FMT_FULL, | |
ff56fe1c | 70 | CMIT_FMT_FULLER, |
d87449c5 | 71 | CMIT_FMT_ONELINE, |
3eefc189 | 72 | CMIT_FMT_EMAIL, |
e52a5de4 | 73 | CMIT_FMT_USERFORMAT, |
6b9c58f4 | 74 | |
4b05548f | 75 | CMIT_FMT_UNSPECIFIED |
000182ea LT |
76 | }; |
77 | ||
9cba13ca | 78 | struct pretty_print_context { |
6bf13944 | 79 | enum cmit_fmt fmt; |
dd2e794a TR |
80 | int abbrev; |
81 | const char *subject; | |
82 | const char *after_subject; | |
9553d2b2 | 83 | int preserve_subject; |
dd2e794a TR |
84 | enum date_mode date_mode; |
85 | int need_8bit_cte; | |
66b2ed09 | 86 | int show_notes; |
8f8f5476 | 87 | struct reflog_walk_info *reflog_info; |
177b29dc | 88 | const char *output_encoding; |
dd2e794a TR |
89 | }; |
90 | ||
5b163603 JG |
91 | struct userformat_want { |
92 | unsigned notes:1; | |
93 | }; | |
94 | ||
28e9cf65 | 95 | extern int has_non_ascii(const char *text); |
4da45bef | 96 | struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */ |
177b29dc PN |
97 | extern char *logmsg_reencode(const struct commit *commit, |
98 | const char *output_encoding); | |
69cd8f63 AG |
99 | extern char *reencode_commit_message(const struct commit *commit, |
100 | const char **encoding_p); | |
4da45bef | 101 | extern void get_commit_format(const char *arg, struct rev_info *); |
c8f1444d RJ |
102 | extern const char *format_subject(struct strbuf *sb, const char *msg, |
103 | const char *line_separator); | |
5b163603 | 104 | extern void userformat_find_requirements(const char *fmt, struct userformat_want *w); |
674d1727 | 105 | extern void format_commit_message(const struct commit *commit, |
7f98ebc8 | 106 | const char *format, struct strbuf *sb, |
dd2e794a | 107 | const struct pretty_print_context *context); |
6bf13944 JK |
108 | extern void pretty_print_commit(const struct pretty_print_context *pp, |
109 | const struct commit *commit, | |
110 | struct strbuf *sb); | |
8b8a5374 JK |
111 | extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, |
112 | struct strbuf *sb); | |
6bf13944 JK |
113 | void pp_user_info(const struct pretty_print_context *pp, |
114 | const char *what, struct strbuf *sb, | |
115 | const char *line, const char *encoding); | |
116 | void pp_title_line(const struct pretty_print_context *pp, | |
b02bd65f DB |
117 | const char **msg_p, |
118 | struct strbuf *sb, | |
b02bd65f | 119 | const char *encoding, |
267123b4 | 120 | int need_8bit_cte); |
6bf13944 | 121 | void pp_remainder(const struct pretty_print_context *pp, |
b02bd65f DB |
122 | const char **msg_p, |
123 | struct strbuf *sb, | |
124 | int indent); | |
125 | ||
e3bc7a3b | 126 | |
dd97f850 DB |
127 | /** Removes the first commit from a list sorted by date, and adds all |
128 | * of its parents. | |
129 | **/ | |
a6080a0a | 130 | struct commit *pop_most_recent_commit(struct commit_list **list, |
58e28af6 | 131 | unsigned int mark); |
dd97f850 | 132 | |
a3437b8c JS |
133 | struct commit *pop_commit(struct commit_list **stack); |
134 | ||
f8f9c73c | 135 | void clear_commit_marks(struct commit *commit, unsigned int mark); |
86a0a408 | 136 | void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark); |
f8f9c73c | 137 | |
ab580ace JS |
138 | /* |
139 | * Performs an in-place topological sort of list supplied. | |
140 | * | |
ab580ace JS |
141 | * invariant of resulting list is: |
142 | * a reachable from b => ord(b) < ord(a) | |
4c8725f1 JH |
143 | * in addition, when lifo == 0, commits on parallel tracks are |
144 | * sorted in the dates order. | |
ab580ace | 145 | */ |
4c8725f1 | 146 | void sort_in_topological_order(struct commit_list ** list, int lifo); |
5040f17e JH |
147 | |
148 | struct commit_graft { | |
149 | unsigned char sha1[20]; | |
ed09aef0 | 150 | int nr_parent; /* < 0 if shallow commit */ |
5040f17e JH |
151 | unsigned char parent[FLEX_ARRAY][20]; /* more */ |
152 | }; | |
09d46644 | 153 | typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *); |
5040f17e JH |
154 | |
155 | struct commit_graft *read_graft_line(char *buf, int len); | |
156 | int register_commit_graft(struct commit_graft *, int); | |
45163382 | 157 | struct commit_graft *lookup_commit_graft(const unsigned char *sha1); |
5040f17e | 158 | |
c0fa8255 | 159 | extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup); |
53eda89b | 160 | extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup); |
5240c9d7 | 161 | extern struct commit_list *get_octopus_merge_bases(struct commit_list *in); |
7c6f8aaf | 162 | |
ed09aef0 | 163 | extern int register_shallow(const unsigned char *sha1); |
f53514bc | 164 | extern int unregister_shallow(const unsigned char *sha1); |
09d46644 | 165 | extern int for_each_commit_graft(each_commit_graft_fn, void *); |
f43117a6 | 166 | extern int is_repository_shallow(void); |
ed09aef0 | 167 | extern struct commit_list *get_shallow_commits(struct object_array *heads, |
f53514bc | 168 | int depth, int shallow_flag, int not_shallow_flag); |
ed09aef0 | 169 | |
7fcdb36e | 170 | int is_descendant_of(struct commit *, struct commit_list *); |
03840fc3 | 171 | int in_merge_bases(struct commit *, struct commit **, int); |
58680165 | 172 | |
b4bd4668 | 173 | extern int interactive_add(int argc, const char **argv, const char *prefix, int patch); |
46b5139c TR |
174 | extern int run_add_interactive(const char *revision, const char *patch_mode, |
175 | const char **pathspec); | |
58680165 | 176 | |
53b2c823 LT |
177 | static inline int single_parent(struct commit *commit) |
178 | { | |
179 | return commit->parents && !commit->parents->next; | |
180 | } | |
181 | ||
98cf9c3b JH |
182 | struct commit_list *reduce_heads(struct commit_list *heads); |
183 | ||
5231c633 JH |
184 | struct commit_extra_header { |
185 | struct commit_extra_header *next; | |
186 | char *key; | |
187 | char *value; | |
188 | size_t len; | |
189 | }; | |
190 | ||
191 | extern void append_merge_tag_headers(struct commit_list *parents, | |
192 | struct commit_extra_header ***tail); | |
193 | ||
13f8b72d | 194 | extern int commit_tree(const struct strbuf *msg, unsigned char *tree, |
5231c633 | 195 | struct commit_list *parents, unsigned char *ret, |
ba3c69a9 | 196 | const char *author, const char *sign_commit); |
5231c633 | 197 | |
f35ccd9b | 198 | extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree, |
5231c633 | 199 | struct commit_list *parents, unsigned char *ret, |
ba3c69a9 | 200 | const char *author, const char *sign_commit, |
5231c633 JH |
201 | struct commit_extra_header *); |
202 | ||
c871a1d1 JH |
203 | extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **); |
204 | extern struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **); | |
ed7a42a0 | 205 | |
5231c633 | 206 | extern void free_commit_extra_headers(struct commit_extra_header *extra); |
40d52ff7 | 207 | |
ae8e4c9c JH |
208 | struct merge_remote_desc { |
209 | struct object *obj; /* the named object, could be a tag */ | |
210 | const char *name; | |
211 | }; | |
212 | #define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util)) | |
213 | ||
214 | /* | |
215 | * Given "name" from the command line to merge, find the commit object | |
216 | * and return it, while storing merge_remote_desc in its ->util field, | |
217 | * to allow callers to tell if we are told to merge a tag. | |
218 | */ | |
219 | struct commit *get_merge_parent(const char *name); | |
220 | ||
0c37f1fc JH |
221 | extern int parse_signed_commit(const unsigned char *sha1, |
222 | struct strbuf *message, struct strbuf *signature); | |
6eb8ae00 | 223 | #endif /* COMMIT_H */ |