8 #include "gpg-interface.h"
12 struct commit_list
*next
;
20 struct commit_list
*parents
;
25 extern int save_commit_buffer
;
26 extern const char *commit_type
;
28 /* While we can decorate any object with a name, it's only used for commits.. */
29 extern struct decoration name_decoration
;
30 struct name_decoration
{
31 struct name_decoration
*next
;
36 struct commit
*lookup_commit(const unsigned char *sha1
);
37 struct commit
*lookup_commit_reference(const unsigned char *sha1
);
38 struct commit
*lookup_commit_reference_gently(const unsigned char *sha1
,
40 struct commit
*lookup_commit_reference_by_name(const char *name
);
43 * Look up object named by "sha1", dereference tag as necessary,
44 * get a commit and return it. If "sha1" does not dereference to
45 * a commit, use ref_name to report an error and die.
47 struct commit
*lookup_commit_or_die(const unsigned char *sha1
, const char *ref_name
);
49 int parse_commit_buffer(struct commit
*item
, const void *buffer
, unsigned long size
);
50 int parse_commit(struct commit
*item
);
52 /* Find beginning and length of commit subject. */
53 int find_commit_subject(const char *commit_buffer
, const char **subject
);
55 struct commit_list
*commit_list_insert(struct commit
*item
,
56 struct commit_list
**list
);
57 struct commit_list
**commit_list_append(struct commit
*commit
,
58 struct commit_list
**next
);
59 unsigned commit_list_count(const struct commit_list
*l
);
60 struct commit_list
*commit_list_insert_by_date(struct commit
*item
,
61 struct commit_list
**list
);
62 void commit_list_sort_by_date(struct commit_list
**list
);
64 void free_commit_list(struct commit_list
*list
);
70 CMIT_FMT_DEFAULT
= CMIT_FMT_MEDIUM
,
81 struct pretty_print_context
{
83 * Callers should tweak these to change the behavior of pp_* functions.
88 const char *after_subject
;
90 enum date_mode date_mode
;
91 unsigned date_mode_explicit
:1;
94 struct reflog_walk_info
*reflog_info
;
95 const char *output_encoding
;
96 struct string_list
*mailmap
;
100 * Fields below here are manipulated internally by pp_* functions and
101 * should not be counted on by callers.
105 struct userformat_want
{
109 extern int has_non_ascii(const char *text
);
110 struct rev_info
; /* in revision.h, it circularly uses enum cmit_fmt */
111 extern char *logmsg_reencode(const struct commit
*commit
,
112 char **commit_encoding
,
113 const char *output_encoding
);
114 extern void logmsg_free(char *msg
, const struct commit
*commit
);
115 extern void get_commit_format(const char *arg
, struct rev_info
*);
116 extern const char *format_subject(struct strbuf
*sb
, const char *msg
,
117 const char *line_separator
);
118 extern void userformat_find_requirements(const char *fmt
, struct userformat_want
*w
);
119 extern void format_commit_message(const struct commit
*commit
,
120 const char *format
, struct strbuf
*sb
,
121 const struct pretty_print_context
*context
);
122 extern void pretty_print_commit(struct pretty_print_context
*pp
,
123 const struct commit
*commit
,
125 extern void pp_commit_easy(enum cmit_fmt fmt
, const struct commit
*commit
,
127 void pp_user_info(struct pretty_print_context
*pp
,
128 const char *what
, struct strbuf
*sb
,
129 const char *line
, const char *encoding
);
130 void pp_title_line(struct pretty_print_context
*pp
,
133 const char *encoding
,
135 void pp_remainder(struct pretty_print_context
*pp
,
141 /** Removes the first commit from a list sorted by date, and adds all
144 struct commit
*pop_most_recent_commit(struct commit_list
**list
,
147 struct commit
*pop_commit(struct commit_list
**stack
);
149 void clear_commit_marks(struct commit
*commit
, unsigned int mark
);
150 void clear_commit_marks_many(int nr
, struct commit
**commit
, unsigned int mark
);
151 void clear_commit_marks_for_object_array(struct object_array
*a
, unsigned mark
);
154 enum rev_sort_order
{
155 REV_SORT_IN_GRAPH_ORDER
= 0,
156 REV_SORT_BY_COMMIT_DATE
,
157 REV_SORT_BY_AUTHOR_DATE
161 * Performs an in-place topological sort of list supplied.
163 * invariant of resulting list is:
164 * a reachable from b => ord(b) < ord(a)
165 * sort_order further specifies:
166 * REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent
168 * REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order.
170 void sort_in_topological_order(struct commit_list
**, enum rev_sort_order
);
172 struct commit_graft
{
173 unsigned char sha1
[20];
174 int nr_parent
; /* < 0 if shallow commit */
175 unsigned char parent
[FLEX_ARRAY
][20]; /* more */
177 typedef int (*each_commit_graft_fn
)(const struct commit_graft
*, void *);
179 struct commit_graft
*read_graft_line(char *buf
, int len
);
180 int register_commit_graft(struct commit_graft
*, int);
181 struct commit_graft
*lookup_commit_graft(const unsigned char *sha1
);
183 extern struct commit_list
*get_merge_bases(struct commit
*rev1
, struct commit
*rev2
, int cleanup
);
184 extern struct commit_list
*get_merge_bases_many(struct commit
*one
, int n
, struct commit
**twos
, int cleanup
);
185 extern struct commit_list
*get_octopus_merge_bases(struct commit_list
*in
);
187 /* largest positive number a signed 32-bit integer can contain */
188 #define INFINITE_DEPTH 0x7fffffff
190 extern int register_shallow(const unsigned char *sha1
);
191 extern int unregister_shallow(const unsigned char *sha1
);
192 extern int for_each_commit_graft(each_commit_graft_fn
, void *);
193 extern int is_repository_shallow(void);
194 extern struct commit_list
*get_shallow_commits(struct object_array
*heads
,
195 int depth
, int shallow_flag
, int not_shallow_flag
);
196 extern void check_shallow_file_for_update(void);
197 extern void set_alternate_shallow_file(const char *path
);
199 int is_descendant_of(struct commit
*, struct commit_list
*);
200 int in_merge_bases(struct commit
*, struct commit
*);
201 int in_merge_bases_many(struct commit
*, int, struct commit
**);
203 extern int interactive_add(int argc
, const char **argv
, const char *prefix
, int patch
);
204 extern int run_add_interactive(const char *revision
, const char *patch_mode
,
205 const char **pathspec
);
207 static inline int single_parent(struct commit
*commit
)
209 return commit
->parents
&& !commit
->parents
->next
;
212 struct commit_list
*reduce_heads(struct commit_list
*heads
);
214 struct commit_extra_header
{
215 struct commit_extra_header
*next
;
221 extern void append_merge_tag_headers(struct commit_list
*parents
,
222 struct commit_extra_header
***tail
);
224 extern int commit_tree(const struct strbuf
*msg
, unsigned char *tree
,
225 struct commit_list
*parents
, unsigned char *ret
,
226 const char *author
, const char *sign_commit
);
228 extern int commit_tree_extended(const struct strbuf
*msg
, unsigned char *tree
,
229 struct commit_list
*parents
, unsigned char *ret
,
230 const char *author
, const char *sign_commit
,
231 struct commit_extra_header
*);
233 extern struct commit_extra_header
*read_commit_extra_headers(struct commit
*, const char **);
235 extern void free_commit_extra_headers(struct commit_extra_header
*extra
);
237 struct merge_remote_desc
{
238 struct object
*obj
; /* the named object, could be a tag */
241 #define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
244 * Given "name" from the command line to merge, find the commit object
245 * and return it, while storing merge_remote_desc in its ->util field,
246 * to allow callers to tell if we are told to merge a tag.
248 struct commit
*get_merge_parent(const char *name
);
250 extern int parse_signed_commit(const unsigned char *sha1
,
251 struct strbuf
*message
, struct strbuf
*signature
);
252 extern void print_commit_list(struct commit_list
*list
,
253 const char *format_cur
,
254 const char *format_last
);
257 * Check the signature of the given commit. The result of the check is stored
258 * in sig->check_result, 'G' for a good signature, 'U' for a good signature
259 * from an untrusted signer, 'B' for a bad signature and 'N' for no signature
260 * at all. This may allocate memory for sig->gpg_output, sig->gpg_status,
261 * sig->signer and sig->key.
263 extern void check_commit_signature(const struct commit
* commit
, struct signature_check
*sigc
);
265 #endif /* COMMIT_H */