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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; | |
14 | unsigned long date; | |
15 | struct commit_list *parents; | |
16 | struct tree *tree; | |
bd1e17e2 | 17 | char *buffer; |
6eb8ae00 DB |
18 | }; |
19 | ||
60ab26de | 20 | extern int save_commit_buffer; |
6eb8ae00 DB |
21 | extern const char *commit_type; |
22 | ||
5d6ccf5c JM |
23 | struct commit *lookup_commit(const unsigned char *sha1); |
24 | struct commit *lookup_commit_reference(const unsigned char *sha1); | |
f76412ed JH |
25 | struct commit *lookup_commit_reference_gently(const unsigned char *sha1, |
26 | int quiet); | |
6eb8ae00 | 27 | |
bd2c39f5 NP |
28 | int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size); |
29 | ||
6eb8ae00 DB |
30 | int parse_commit(struct commit *item); |
31 | ||
ac5155ef | 32 | struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p); |
f755494c | 33 | struct commit_list * insert_by_date(struct commit *item, struct commit_list **list); |
dd97f850 | 34 | |
6eb8ae00 DB |
35 | void free_commit_list(struct commit_list *list); |
36 | ||
dd97f850 DB |
37 | void sort_by_date(struct commit_list **list); |
38 | ||
000182ea LT |
39 | /* Commit formats */ |
40 | enum cmit_fmt { | |
41 | CMIT_FMT_RAW, | |
42 | CMIT_FMT_MEDIUM, | |
43 | CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, | |
9b66ec04 LT |
44 | CMIT_FMT_SHORT, |
45 | CMIT_FMT_FULL, | |
ff56fe1c | 46 | CMIT_FMT_FULLER, |
d87449c5 | 47 | CMIT_FMT_ONELINE, |
6b9c58f4 JH |
48 | |
49 | CMIT_FMT_UNSPECIFIED, | |
000182ea LT |
50 | }; |
51 | ||
9b66ec04 | 52 | extern enum cmit_fmt get_commit_format(const char *arg); |
3815f423 | 53 | extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev); |
e3bc7a3b | 54 | |
dd97f850 DB |
55 | /** Removes the first commit from a list sorted by date, and adds all |
56 | * of its parents. | |
57 | **/ | |
58e28af6 DB |
58 | struct commit *pop_most_recent_commit(struct commit_list **list, |
59 | unsigned int mark); | |
dd97f850 | 60 | |
a3437b8c JS |
61 | struct commit *pop_commit(struct commit_list **stack); |
62 | ||
f8f9c73c JH |
63 | void clear_commit_marks(struct commit *commit, unsigned int mark); |
64 | ||
a3437b8c | 65 | int count_parents(struct commit * commit); |
ab580ace JS |
66 | |
67 | /* | |
68 | * Performs an in-place topological sort of list supplied. | |
69 | * | |
6b6dcfc2 | 70 | * Pre-conditions for sort_in_topological_order: |
ab580ace JS |
71 | * all commits in input list and all parents of those |
72 | * commits must have object.util == NULL | |
6b6dcfc2 FK |
73 | * |
74 | * Pre-conditions for sort_in_topological_order_fn: | |
75 | * all commits in input list and all parents of those | |
76 | * commits must have getter(commit) == NULL | |
77 | * | |
78 | * Post-conditions: | |
ab580ace JS |
79 | * invariant of resulting list is: |
80 | * a reachable from b => ord(b) < ord(a) | |
4c8725f1 JH |
81 | * in addition, when lifo == 0, commits on parallel tracks are |
82 | * sorted in the dates order. | |
ab580ace | 83 | */ |
6b6dcfc2 FK |
84 | |
85 | typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); | |
86 | typedef void* (*topo_sort_get_fn_t)(struct commit*); | |
87 | ||
88 | void topo_sort_default_setter(struct commit *c, void *data); | |
89 | void *topo_sort_default_getter(struct commit *c); | |
90 | ||
4c8725f1 | 91 | void sort_in_topological_order(struct commit_list ** list, int lifo); |
6b6dcfc2 FK |
92 | void sort_in_topological_order_fn(struct commit_list ** list, int lifo, |
93 | topo_sort_set_fn_t setter, | |
94 | topo_sort_get_fn_t getter); | |
5040f17e JH |
95 | |
96 | struct commit_graft { | |
97 | unsigned char sha1[20]; | |
98 | int nr_parent; | |
99 | unsigned char parent[FLEX_ARRAY][20]; /* more */ | |
100 | }; | |
101 | ||
102 | struct commit_graft *read_graft_line(char *buf, int len); | |
103 | int register_commit_graft(struct commit_graft *, int); | |
104 | int read_graft_file(const char *graft_file); | |
105 | ||
6eb8ae00 | 106 | #endif /* COMMIT_H */ |