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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" | |
6 | ||
7 | struct commit_list { | |
8 | struct commit *item; | |
9 | struct commit_list *next; | |
10 | }; | |
11 | ||
12 | struct commit { | |
13 | struct object object; | |
d3ff6f55 | 14 | void *util; |
6eb8ae00 DB |
15 | unsigned long date; |
16 | struct commit_list *parents; | |
17 | struct tree *tree; | |
bd1e17e2 | 18 | char *buffer; |
6eb8ae00 DB |
19 | }; |
20 | ||
60ab26de | 21 | extern int save_commit_buffer; |
6eb8ae00 DB |
22 | extern const char *commit_type; |
23 | ||
5d6ccf5c JM |
24 | struct commit *lookup_commit(const unsigned char *sha1); |
25 | struct commit *lookup_commit_reference(const unsigned char *sha1); | |
f76412ed JH |
26 | struct commit *lookup_commit_reference_gently(const unsigned char *sha1, |
27 | int quiet); | |
6eb8ae00 | 28 | |
bd2c39f5 NP |
29 | int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size); |
30 | ||
6eb8ae00 DB |
31 | int parse_commit(struct commit *item); |
32 | ||
ac5155ef | 33 | struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p); |
f755494c | 34 | struct commit_list * insert_by_date(struct commit *item, struct commit_list **list); |
dd97f850 | 35 | |
6eb8ae00 DB |
36 | void free_commit_list(struct commit_list *list); |
37 | ||
dd97f850 DB |
38 | void sort_by_date(struct commit_list **list); |
39 | ||
000182ea LT |
40 | /* Commit formats */ |
41 | enum cmit_fmt { | |
42 | CMIT_FMT_RAW, | |
43 | CMIT_FMT_MEDIUM, | |
44 | CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, | |
9b66ec04 LT |
45 | CMIT_FMT_SHORT, |
46 | CMIT_FMT_FULL, | |
ff56fe1c | 47 | CMIT_FMT_FULLER, |
d87449c5 | 48 | CMIT_FMT_ONELINE, |
3eefc189 | 49 | CMIT_FMT_EMAIL, |
6b9c58f4 JH |
50 | |
51 | CMIT_FMT_UNSPECIFIED, | |
000182ea LT |
52 | }; |
53 | ||
9b66ec04 | 54 | extern enum cmit_fmt get_commit_format(const char *arg); |
3dfb9278 | 55 | extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date); |
e3bc7a3b | 56 | |
dd97f850 DB |
57 | /** Removes the first commit from a list sorted by date, and adds all |
58 | * of its parents. | |
59 | **/ | |
58e28af6 DB |
60 | struct commit *pop_most_recent_commit(struct commit_list **list, |
61 | unsigned int mark); | |
dd97f850 | 62 | |
a3437b8c JS |
63 | struct commit *pop_commit(struct commit_list **stack); |
64 | ||
f8f9c73c JH |
65 | void clear_commit_marks(struct commit *commit, unsigned int mark); |
66 | ||
a3437b8c | 67 | int count_parents(struct commit * commit); |
ab580ace JS |
68 | |
69 | /* | |
70 | * Performs an in-place topological sort of list supplied. | |
71 | * | |
6b6dcfc2 | 72 | * Pre-conditions for sort_in_topological_order: |
ab580ace JS |
73 | * all commits in input list and all parents of those |
74 | * commits must have object.util == NULL | |
6b6dcfc2 FK |
75 | * |
76 | * Pre-conditions for sort_in_topological_order_fn: | |
77 | * all commits in input list and all parents of those | |
78 | * commits must have getter(commit) == NULL | |
79 | * | |
80 | * Post-conditions: | |
ab580ace JS |
81 | * invariant of resulting list is: |
82 | * a reachable from b => ord(b) < ord(a) | |
4c8725f1 JH |
83 | * in addition, when lifo == 0, commits on parallel tracks are |
84 | * sorted in the dates order. | |
ab580ace | 85 | */ |
6b6dcfc2 FK |
86 | |
87 | typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); | |
88 | typedef void* (*topo_sort_get_fn_t)(struct commit*); | |
89 | ||
90 | void topo_sort_default_setter(struct commit *c, void *data); | |
91 | void *topo_sort_default_getter(struct commit *c); | |
92 | ||
4c8725f1 | 93 | void sort_in_topological_order(struct commit_list ** list, int lifo); |
6b6dcfc2 FK |
94 | void sort_in_topological_order_fn(struct commit_list ** list, int lifo, |
95 | topo_sort_set_fn_t setter, | |
96 | topo_sort_get_fn_t getter); | |
5040f17e JH |
97 | |
98 | struct commit_graft { | |
99 | unsigned char sha1[20]; | |
ed09aef0 | 100 | int nr_parent; /* < 0 if shallow commit */ |
5040f17e JH |
101 | unsigned char parent[FLEX_ARRAY][20]; /* more */ |
102 | }; | |
103 | ||
104 | struct commit_graft *read_graft_line(char *buf, int len); | |
105 | int register_commit_graft(struct commit_graft *, int); | |
106 | int read_graft_file(const char *graft_file); | |
107 | ||
c0fa8255 | 108 | extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup); |
7c6f8aaf | 109 | |
ed09aef0 | 110 | extern int register_shallow(const unsigned char *sha1); |
f53514bc | 111 | extern int unregister_shallow(const unsigned char *sha1); |
ed09aef0 | 112 | extern int write_shallow_commits(int fd, int use_pack_protocol); |
f43117a6 | 113 | extern int is_repository_shallow(void); |
ed09aef0 | 114 | extern struct commit_list *get_shallow_commits(struct object_array *heads, |
f53514bc | 115 | int depth, int shallow_flag, int not_shallow_flag); |
ed09aef0 | 116 | |
2ecd2bbc | 117 | int in_merge_bases(struct commit *rev1, struct commit *rev2); |
6eb8ae00 | 118 | #endif /* COMMIT_H */ |