Migrate git-repack.sh to use git-rev-parse --parseopt
[alt-git.git] / commit.h
blob13b537293df97ae503b993aeba15edc2dac09e2a
1 #ifndef COMMIT_H
2 #define COMMIT_H
4 #include "object.h"
5 #include "tree.h"
6 #include "strbuf.h"
7 #include "decorate.h"
9 struct commit_list {
10 struct commit *item;
11 struct commit_list *next;
14 struct commit {
15 struct object object;
16 void *util;
17 unsigned long date;
18 struct commit_list *parents;
19 struct tree *tree;
20 char *buffer;
23 extern int save_commit_buffer;
24 extern const char *commit_type;
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];
33 struct commit *lookup_commit(const unsigned char *sha1);
34 struct commit *lookup_commit_reference(const unsigned char *sha1);
35 struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
36 int quiet);
38 int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
40 int parse_commit(struct commit *item);
42 struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
43 struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
45 void free_commit_list(struct commit_list *list);
47 void sort_by_date(struct commit_list **list);
49 /* Commit formats */
50 enum cmit_fmt {
51 CMIT_FMT_RAW,
52 CMIT_FMT_MEDIUM,
53 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
54 CMIT_FMT_SHORT,
55 CMIT_FMT_FULL,
56 CMIT_FMT_FULLER,
57 CMIT_FMT_ONELINE,
58 CMIT_FMT_EMAIL,
59 CMIT_FMT_USERFORMAT,
61 CMIT_FMT_UNSPECIFIED,
64 extern int non_ascii(int);
65 extern enum cmit_fmt get_commit_format(const char *arg);
66 extern void format_commit_message(const struct commit *commit,
67 const void *format, struct strbuf *sb);
68 extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit*,
69 struct strbuf *,
70 int abbrev, const char *subject,
71 const char *after_subject, enum date_mode,
72 int non_ascii_present);
74 /** Removes the first commit from a list sorted by date, and adds all
75 * of its parents.
76 **/
77 struct commit *pop_most_recent_commit(struct commit_list **list,
78 unsigned int mark);
80 struct commit *pop_commit(struct commit_list **stack);
82 void clear_commit_marks(struct commit *commit, unsigned int mark);
85 * Performs an in-place topological sort of list supplied.
87 * Pre-conditions for sort_in_topological_order:
88 * all commits in input list and all parents of those
89 * commits must have object.util == NULL
91 * Pre-conditions for sort_in_topological_order_fn:
92 * all commits in input list and all parents of those
93 * commits must have getter(commit) == NULL
95 * Post-conditions:
96 * invariant of resulting list is:
97 * a reachable from b => ord(b) < ord(a)
98 * in addition, when lifo == 0, commits on parallel tracks are
99 * sorted in the dates order.
102 typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
103 typedef void* (*topo_sort_get_fn_t)(struct commit*);
105 void topo_sort_default_setter(struct commit *c, void *data);
106 void *topo_sort_default_getter(struct commit *c);
108 void sort_in_topological_order(struct commit_list ** list, int lifo);
109 void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
110 topo_sort_set_fn_t setter,
111 topo_sort_get_fn_t getter);
113 struct commit_graft {
114 unsigned char sha1[20];
115 int nr_parent; /* < 0 if shallow commit */
116 unsigned char parent[FLEX_ARRAY][20]; /* more */
119 struct commit_graft *read_graft_line(char *buf, int len);
120 int register_commit_graft(struct commit_graft *, int);
121 int read_graft_file(const char *graft_file);
123 extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
125 extern int register_shallow(const unsigned char *sha1);
126 extern int unregister_shallow(const unsigned char *sha1);
127 extern int write_shallow_commits(int fd, int use_pack_protocol);
128 extern int is_repository_shallow(void);
129 extern struct commit_list *get_shallow_commits(struct object_array *heads,
130 int depth, int shallow_flag, int not_shallow_flag);
132 int in_merge_bases(struct commit *, struct commit **, int);
134 extern int interactive_add(void);
135 extern void add_files_to_cache(int verbose, const char *prefix, const char **files);
136 extern int rerere(void);
138 #endif /* COMMIT_H */