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
{
85 const char *after_subject
;
87 enum date_mode date_mode
;
88 unsigned date_mode_explicit
:1;
91 struct reflog_walk_info
*reflog_info
;
92 const char *output_encoding
;
93 struct string_list
*mailmap
;
97 struct userformat_want
{
101 extern int has_non_ascii(const char *text
);
102 struct rev_info
; /* in revision.h, it circularly uses enum cmit_fmt */
103 extern char *logmsg_reencode(const struct commit
*commit
,
104 char **commit_encoding
,
105 const char *output_encoding
);
106 extern void logmsg_free(char *msg
, const struct commit
*commit
);
107 extern void get_commit_format(const char *arg
, struct rev_info
*);
108 extern const char *format_subject(struct strbuf
*sb
, const char *msg
,
109 const char *line_separator
);
110 extern void userformat_find_requirements(const char *fmt
, struct userformat_want
*w
);
111 extern void format_commit_message(const struct commit
*commit
,
112 const char *format
, struct strbuf
*sb
,
113 const struct pretty_print_context
*context
);
114 extern void pretty_print_commit(const struct pretty_print_context
*pp
,
115 const struct commit
*commit
,
117 extern void pp_commit_easy(enum cmit_fmt fmt
, const struct commit
*commit
,
119 void pp_user_info(const struct pretty_print_context
*pp
,
120 const char *what
, struct strbuf
*sb
,
121 const char *line
, const char *encoding
);
122 void pp_title_line(const struct pretty_print_context
*pp
,
125 const char *encoding
,
127 void pp_remainder(const struct pretty_print_context
*pp
,
133 /** Removes the first commit from a list sorted by date, and adds all
136 struct commit
*pop_most_recent_commit(struct commit_list
**list
,
139 struct commit
*pop_commit(struct commit_list
**stack
);
141 void clear_commit_marks(struct commit
*commit
, unsigned int mark
);
142 void clear_commit_marks_many(int nr
, struct commit
**commit
, unsigned int mark
);
143 void clear_commit_marks_for_object_array(struct object_array
*a
, unsigned mark
);
146 enum rev_sort_order
{
147 REV_SORT_IN_GRAPH_ORDER
= 0,
148 REV_SORT_BY_COMMIT_DATE
,
149 REV_SORT_BY_AUTHOR_DATE
153 * Performs an in-place topological sort of list supplied.
155 * invariant of resulting list is:
156 * a reachable from b => ord(b) < ord(a)
157 * sort_order further specifies:
158 * REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent
160 * REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order.
162 void sort_in_topological_order(struct commit_list
**, enum rev_sort_order
);
164 struct commit_graft
{
165 unsigned char sha1
[20];
166 int nr_parent
; /* < 0 if shallow commit */
167 unsigned char parent
[FLEX_ARRAY
][20]; /* more */
169 typedef int (*each_commit_graft_fn
)(const struct commit_graft
*, void *);
171 struct commit_graft
*read_graft_line(char *buf
, int len
);
172 int register_commit_graft(struct commit_graft
*, int);
173 struct commit_graft
*lookup_commit_graft(const unsigned char *sha1
);
175 extern struct commit_list
*get_merge_bases(struct commit
*rev1
, struct commit
*rev2
, int cleanup
);
176 extern struct commit_list
*get_merge_bases_many(struct commit
*one
, int n
, struct commit
**twos
, int cleanup
);
177 extern struct commit_list
*get_octopus_merge_bases(struct commit_list
*in
);
179 /* largest positive number a signed 32-bit integer can contain */
180 #define INFINITE_DEPTH 0x7fffffff
182 extern int register_shallow(const unsigned char *sha1
);
183 extern int unregister_shallow(const unsigned char *sha1
);
184 extern int for_each_commit_graft(each_commit_graft_fn
, void *);
185 extern int is_repository_shallow(void);
186 extern struct commit_list
*get_shallow_commits(struct object_array
*heads
,
187 int depth
, int shallow_flag
, int not_shallow_flag
);
188 extern void check_shallow_file_for_update(void);
189 extern void set_alternate_shallow_file(const char *path
);
191 int is_descendant_of(struct commit
*, struct commit_list
*);
192 int in_merge_bases(struct commit
*, struct commit
*);
193 int in_merge_bases_many(struct commit
*, int, struct commit
**);
195 extern int interactive_add(int argc
, const char **argv
, const char *prefix
, int patch
);
196 extern int run_add_interactive(const char *revision
, const char *patch_mode
,
197 const struct pathspec
*pathspec
);
199 static inline int single_parent(struct commit
*commit
)
201 return commit
->parents
&& !commit
->parents
->next
;
204 struct commit_list
*reduce_heads(struct commit_list
*heads
);
206 struct commit_extra_header
{
207 struct commit_extra_header
*next
;
213 extern void append_merge_tag_headers(struct commit_list
*parents
,
214 struct commit_extra_header
***tail
);
216 extern int commit_tree(const struct strbuf
*msg
, unsigned char *tree
,
217 struct commit_list
*parents
, unsigned char *ret
,
218 const char *author
, const char *sign_commit
);
220 extern int commit_tree_extended(const struct strbuf
*msg
, unsigned char *tree
,
221 struct commit_list
*parents
, unsigned char *ret
,
222 const char *author
, const char *sign_commit
,
223 struct commit_extra_header
*);
225 extern struct commit_extra_header
*read_commit_extra_headers(struct commit
*, const char **);
227 extern void free_commit_extra_headers(struct commit_extra_header
*extra
);
229 struct merge_remote_desc
{
230 struct object
*obj
; /* the named object, could be a tag */
233 #define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
236 * Given "name" from the command line to merge, find the commit object
237 * and return it, while storing merge_remote_desc in its ->util field,
238 * to allow callers to tell if we are told to merge a tag.
240 struct commit
*get_merge_parent(const char *name
);
242 extern int parse_signed_commit(const unsigned char *sha1
,
243 struct strbuf
*message
, struct strbuf
*signature
);
244 extern void print_commit_list(struct commit_list
*list
,
245 const char *format_cur
,
246 const char *format_last
);
249 * Check the signature of the given commit. The result of the check is stored
250 * in sig->check_result, 'G' for a good signature, 'U' for a good signature
251 * from an untrusted signer, 'B' for a bad signature and 'N' for no signature
252 * at all. This may allocate memory for sig->gpg_output, sig->gpg_status,
253 * sig->signer and sig->key.
255 extern void check_commit_signature(const struct commit
* commit
, struct signature_check
*sigc
);
257 #endif /* COMMIT_H */