aboutsummaryrefslogtreecommitdiff
path: root/commit.h
blob: 13b537293df97ae503b993aeba15edc2dac09e2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
#ifndef COMMIT_H
#define COMMIT_H

#include "object.h"
#include "tree.h"
#include "strbuf.h"
#include "decorate.h"

struct commit_list {
	struct commit *item;
	struct commit_list *next;
};

struct commit {
	struct object object;
	void *util;
	unsigned long date;
	struct commit_list *parents;
	struct tree *tree;
	char *buffer;
};

extern int save_commit_buffer;
extern const char *commit_type;

/* While we can decorate any object with a name, it's only used for commits.. */
extern struct decoration name_decoration;
struct name_decoration {
	struct name_decoration *next;
	char name[1];
};

struct commit *lookup_commit(const unsigned char *sha1);
struct commit *lookup_commit_reference(const unsigned char *sha1);
struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
					      int quiet);

int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);

int parse_commit(struct commit *item);

struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);

void free_commit_list(struct commit_list *list);

void sort_by_date(struct commit_list **list);

/* Commit formats */
enum cmit_fmt {
	CMIT_FMT_RAW,
	CMIT_FMT_MEDIUM,
	CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
	CMIT_FMT_SHORT,
	CMIT_FMT_FULL,
	CMIT_FMT_FULLER,
	CMIT_FMT_ONELINE,
	CMIT_FMT_EMAIL,
	CMIT_FMT_USERFORMAT,

	CMIT_FMT_UNSPECIFIED,
};

extern int non_ascii(int);
extern enum cmit_fmt get_commit_format(const char *arg);
extern void format_commit_message(const struct commit *commit,
                                  const void *format, struct strbuf *sb);
extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit*,
                                struct strbuf *,
                                int abbrev, const char *subject,
                                const char *after_subject, enum date_mode,
				int non_ascii_present);

/** Removes the first commit from a list sorted by date, and adds all
 * of its parents.
 **/
struct commit *pop_most_recent_commit(struct commit_list **list,
				      unsigned int mark);

struct commit *pop_commit(struct commit_list **stack);

void clear_commit_marks(struct commit *commit, unsigned int mark);

/*
 * Performs an in-place topological sort of list supplied.
 *
 * Pre-conditions for sort_in_topological_order:
 *   all commits in input list and all parents of those
 *   commits must have object.util == NULL
 *
 * Pre-conditions for sort_in_topological_order_fn:
 *   all commits in input list and all parents of those
 *   commits must have getter(commit) == NULL
 *
 * Post-conditions:
 *   invariant of resulting list is:
 *      a reachable from b => ord(b) < ord(a)
 *   in addition, when lifo == 0, commits on parallel tracks are
 *   sorted in the dates order.
 */

typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
typedef void* (*topo_sort_get_fn_t)(struct commit*);

void topo_sort_default_setter(struct commit *c, void *data);
void *topo_sort_default_getter(struct commit *c);

void sort_in_topological_order(struct commit_list ** list, int lifo);
void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
				  topo_sort_set_fn_t setter,
				  topo_sort_get_fn_t getter);

struct commit_graft {
	unsigned char sha1[20];
	int nr_parent; /* < 0 if shallow commit */
	unsigned char parent[FLEX_ARRAY][20]; /* more */
};

struct commit_graft *read_graft_line(char *buf, int len);
int register_commit_graft(struct commit_graft *, int);
int read_graft_file(const char *graft_file);

extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);

extern int register_shallow(const unsigned char *sha1);
extern int unregister_shallow(const unsigned char *sha1);
extern int write_shallow_commits(int fd, int use_pack_protocol);
extern int is_repository_shallow(void);
extern struct commit_list *get_shallow_commits(struct object_array *heads,
		int depth, int shallow_flag, int not_shallow_flag);

int in_merge_bases(struct commit *, struct commit **, int);

extern int interactive_add(void);
extern void add_files_to_cache(int verbose, const char *prefix, const char **files);
extern int rerere(void);

#endif /* COMMIT_H */