enums: omit trailing comma for portability
[git/git.git] / commit.h
1 #ifndef COMMIT_H
2 #define COMMIT_H
3
4 #include "object.h"
5 #include "tree.h"
6 #include "strbuf.h"
7 #include "decorate.h"
8
9 struct commit_list {
10 struct commit *item;
11 struct commit_list *next;
12 };
13
14 struct commit {
15 struct object object;
16 void *util;
17 unsigned int indegree;
18 unsigned long date;
19 struct commit_list *parents;
20 struct tree *tree;
21 char *buffer;
22 };
23
24 extern int save_commit_buffer;
25 extern const char *commit_type;
26
27 /* While we can decorate any object with a name, it's only used for commits.. */
28 extern struct decoration name_decoration;
29 struct name_decoration {
30 struct name_decoration *next;
31 char name[1];
32 };
33
34 struct commit *lookup_commit(const unsigned char *sha1);
35 struct commit *lookup_commit_reference(const unsigned char *sha1);
36 struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
37 int quiet);
38
39 int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
40
41 int parse_commit(struct commit *item);
42
43 struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
44 unsigned commit_list_count(const struct commit_list *l);
45 struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
46
47 void free_commit_list(struct commit_list *list);
48
49 void sort_by_date(struct commit_list **list);
50
51 /* Commit formats */
52 enum cmit_fmt {
53 CMIT_FMT_RAW,
54 CMIT_FMT_MEDIUM,
55 CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
56 CMIT_FMT_SHORT,
57 CMIT_FMT_FULL,
58 CMIT_FMT_FULLER,
59 CMIT_FMT_ONELINE,
60 CMIT_FMT_EMAIL,
61 CMIT_FMT_USERFORMAT,
62
63 CMIT_FMT_UNSPECIFIED
64 };
65
66 struct pretty_print_context
67 {
68 int abbrev;
69 const char *subject;
70 const char *after_subject;
71 enum date_mode date_mode;
72 int need_8bit_cte;
73 int show_notes;
74 struct reflog_walk_info *reflog_info;
75 };
76
77 struct userformat_want {
78 unsigned notes:1;
79 };
80
81 extern int has_non_ascii(const char *text);
82 struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
83 extern char *reencode_commit_message(const struct commit *commit,
84 const char **encoding_p);
85 extern void get_commit_format(const char *arg, struct rev_info *);
86 extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
87 extern void format_commit_message(const struct commit *commit,
88 const char *format, struct strbuf *sb,
89 const struct pretty_print_context *context);
90 extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
91 struct strbuf *sb,
92 const struct pretty_print_context *context);
93 void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
94 const char *line, enum date_mode dmode,
95 const char *encoding);
96 void pp_title_line(enum cmit_fmt fmt,
97 const char **msg_p,
98 struct strbuf *sb,
99 const char *subject,
100 const char *after_subject,
101 const char *encoding,
102 int need_8bit_cte);
103 void pp_remainder(enum cmit_fmt fmt,
104 const char **msg_p,
105 struct strbuf *sb,
106 int indent);
107
108
109 /** Removes the first commit from a list sorted by date, and adds all
110 * of its parents.
111 **/
112 struct commit *pop_most_recent_commit(struct commit_list **list,
113 unsigned int mark);
114
115 struct commit *pop_commit(struct commit_list **stack);
116
117 void clear_commit_marks(struct commit *commit, unsigned int mark);
118
119 /*
120 * Performs an in-place topological sort of list supplied.
121 *
122 * invariant of resulting list is:
123 * a reachable from b => ord(b) < ord(a)
124 * in addition, when lifo == 0, commits on parallel tracks are
125 * sorted in the dates order.
126 */
127 void sort_in_topological_order(struct commit_list ** list, int lifo);
128
129 struct commit_graft {
130 unsigned char sha1[20];
131 int nr_parent; /* < 0 if shallow commit */
132 unsigned char parent[FLEX_ARRAY][20]; /* more */
133 };
134
135 struct commit_graft *read_graft_line(char *buf, int len);
136 int register_commit_graft(struct commit_graft *, int);
137 struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
138
139 const unsigned char *lookup_replace_object(const unsigned char *sha1);
140
141 extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
142 extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup);
143 extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
144
145 extern int register_shallow(const unsigned char *sha1);
146 extern int unregister_shallow(const unsigned char *sha1);
147 extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol);
148 extern int is_repository_shallow(void);
149 extern struct commit_list *get_shallow_commits(struct object_array *heads,
150 int depth, int shallow_flag, int not_shallow_flag);
151
152 int is_descendant_of(struct commit *, struct commit_list *);
153 int in_merge_bases(struct commit *, struct commit **, int);
154
155 extern int interactive_add(int argc, const char **argv, const char *prefix);
156 extern int run_add_interactive(const char *revision, const char *patch_mode,
157 const char **pathspec);
158
159 static inline int single_parent(struct commit *commit)
160 {
161 return commit->parents && !commit->parents->next;
162 }
163
164 struct commit_list *reduce_heads(struct commit_list *heads);
165
166 #endif /* COMMIT_H */