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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; |
6eb8ae00 DB |
17 | unsigned long date; |
18 | struct commit_list *parents; | |
19 | struct tree *tree; | |
bd1e17e2 | 20 | char *buffer; |
6eb8ae00 DB |
21 | }; |
22 | ||
60ab26de | 23 | extern int save_commit_buffer; |
6eb8ae00 DB |
24 | extern const char *commit_type; |
25 | ||
ca135e7a LT |
26 | /* While we can decorate any object with a name, it's only used for commits.. */ |
27 | extern struct decoration name_decoration; | |
28 | struct name_decoration { | |
29 | struct name_decoration *next; | |
30 | char name[1]; | |
31 | }; | |
32 | ||
5d6ccf5c JM |
33 | struct commit *lookup_commit(const unsigned char *sha1); |
34 | struct commit *lookup_commit_reference(const unsigned char *sha1); | |
f76412ed JH |
35 | struct commit *lookup_commit_reference_gently(const unsigned char *sha1, |
36 | int quiet); | |
6eb8ae00 | 37 | |
bd2c39f5 NP |
38 | int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size); |
39 | ||
6eb8ae00 DB |
40 | int parse_commit(struct commit *item); |
41 | ||
ac5155ef | 42 | struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p); |
f755494c | 43 | struct commit_list * insert_by_date(struct commit *item, struct commit_list **list); |
dd97f850 | 44 | |
6eb8ae00 DB |
45 | void free_commit_list(struct commit_list *list); |
46 | ||
dd97f850 DB |
47 | void sort_by_date(struct commit_list **list); |
48 | ||
000182ea LT |
49 | /* Commit formats */ |
50 | enum cmit_fmt { | |
51 | CMIT_FMT_RAW, | |
52 | CMIT_FMT_MEDIUM, | |
53 | CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, | |
9b66ec04 LT |
54 | CMIT_FMT_SHORT, |
55 | CMIT_FMT_FULL, | |
ff56fe1c | 56 | CMIT_FMT_FULLER, |
d87449c5 | 57 | CMIT_FMT_ONELINE, |
3eefc189 | 58 | CMIT_FMT_EMAIL, |
e52a5de4 | 59 | CMIT_FMT_USERFORMAT, |
6b9c58f4 JH |
60 | |
61 | CMIT_FMT_UNSPECIFIED, | |
000182ea LT |
62 | }; |
63 | ||
9b66ec04 | 64 | extern enum cmit_fmt get_commit_format(const char *arg); |
674d1727 PH |
65 | extern void format_commit_message(const struct commit *commit, |
66 | const void *format, struct strbuf *sb); | |
67 | extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit*, | |
68 | struct strbuf *, | |
69 | int abbrev, const char *subject, | |
70 | const char *after_subject, enum date_mode); | |
e3bc7a3b | 71 | |
dd97f850 DB |
72 | /** Removes the first commit from a list sorted by date, and adds all |
73 | * of its parents. | |
74 | **/ | |
a6080a0a | 75 | struct commit *pop_most_recent_commit(struct commit_list **list, |
58e28af6 | 76 | unsigned int mark); |
dd97f850 | 77 | |
a3437b8c JS |
78 | struct commit *pop_commit(struct commit_list **stack); |
79 | ||
f8f9c73c JH |
80 | void clear_commit_marks(struct commit *commit, unsigned int mark); |
81 | ||
ab580ace JS |
82 | /* |
83 | * Performs an in-place topological sort of list supplied. | |
84 | * | |
6b6dcfc2 | 85 | * Pre-conditions for sort_in_topological_order: |
ab580ace JS |
86 | * all commits in input list and all parents of those |
87 | * commits must have object.util == NULL | |
6b6dcfc2 FK |
88 | * |
89 | * Pre-conditions for sort_in_topological_order_fn: | |
90 | * all commits in input list and all parents of those | |
91 | * commits must have getter(commit) == NULL | |
92 | * | |
93 | * Post-conditions: | |
ab580ace JS |
94 | * invariant of resulting list is: |
95 | * a reachable from b => ord(b) < ord(a) | |
4c8725f1 JH |
96 | * in addition, when lifo == 0, commits on parallel tracks are |
97 | * sorted in the dates order. | |
ab580ace | 98 | */ |
6b6dcfc2 FK |
99 | |
100 | typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); | |
101 | typedef void* (*topo_sort_get_fn_t)(struct commit*); | |
102 | ||
103 | void topo_sort_default_setter(struct commit *c, void *data); | |
104 | void *topo_sort_default_getter(struct commit *c); | |
105 | ||
4c8725f1 | 106 | void sort_in_topological_order(struct commit_list ** list, int lifo); |
6b6dcfc2 FK |
107 | void sort_in_topological_order_fn(struct commit_list ** list, int lifo, |
108 | topo_sort_set_fn_t setter, | |
109 | topo_sort_get_fn_t getter); | |
5040f17e JH |
110 | |
111 | struct commit_graft { | |
112 | unsigned char sha1[20]; | |
ed09aef0 | 113 | int nr_parent; /* < 0 if shallow commit */ |
5040f17e JH |
114 | unsigned char parent[FLEX_ARRAY][20]; /* more */ |
115 | }; | |
116 | ||
117 | struct commit_graft *read_graft_line(char *buf, int len); | |
118 | int register_commit_graft(struct commit_graft *, int); | |
119 | int read_graft_file(const char *graft_file); | |
120 | ||
c0fa8255 | 121 | extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup); |
7c6f8aaf | 122 | |
ed09aef0 | 123 | extern int register_shallow(const unsigned char *sha1); |
f53514bc | 124 | extern int unregister_shallow(const unsigned char *sha1); |
ed09aef0 | 125 | extern int write_shallow_commits(int fd, int use_pack_protocol); |
f43117a6 | 126 | extern int is_repository_shallow(void); |
ed09aef0 | 127 | extern struct commit_list *get_shallow_commits(struct object_array *heads, |
f53514bc | 128 | int depth, int shallow_flag, int not_shallow_flag); |
ed09aef0 | 129 | |
03840fc3 | 130 | int in_merge_bases(struct commit *, struct commit **, int); |
6eb8ae00 | 131 | #endif /* COMMIT_H */ |