| #ifndef COMMIT_H |
| #define COMMIT_H |
| |
| #include "object.h" |
| #include "tree.h" |
| #include "strbuf.h" |
| #include "decorate.h" |
| #include "gpg-interface.h" |
| #include "string-list.h" |
| |
| struct commit_list { |
| struct commit *item; |
| struct commit_list *next; |
| }; |
| |
| struct commit { |
| struct object object; |
| void *util; |
| unsigned int index; |
| 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; |
| int type; |
| 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); |
| struct commit *lookup_commit_reference_by_name(const char *name); |
| |
| /* |
| * Look up object named by "sha1", dereference tag as necessary, |
| * get a commit and return it. If "sha1" does not dereference to |
| * a commit, use ref_name to report an error and die. |
| */ |
| struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name); |
| |
| int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size); |
| int parse_commit(struct commit *item); |
| |
| /* Find beginning and length of commit subject. */ |
| int find_commit_subject(const char *commit_buffer, const char **subject); |
| |
| struct commit_list *commit_list_insert(struct commit *item, |
| struct commit_list **list); |
| struct commit_list **commit_list_append(struct commit *commit, |
| struct commit_list **next); |
| unsigned commit_list_count(const struct commit_list *l); |
| struct commit_list *commit_list_insert_by_date(struct commit *item, |
| struct commit_list **list); |
| void commit_list_sort_by_date(struct commit_list **list); |
| |
| /* Shallow copy of the input list */ |
| struct commit_list *copy_commit_list(struct commit_list *list); |
| |
| void free_commit_list(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 |
| }; |
| |
| struct pretty_print_context { |
| /* |
| * Callers should tweak these to change the behavior of pp_* functions. |
| */ |
| enum cmit_fmt fmt; |
| int abbrev; |
| const char *subject; |
| const char *after_subject; |
| int preserve_subject; |
| enum date_mode date_mode; |
| unsigned date_mode_explicit:1; |
| int need_8bit_cte; |
| char *notes_message; |
| struct reflog_walk_info *reflog_info; |
| const char *output_encoding; |
| struct string_list *mailmap; |
| int color; |
| struct ident_split *from_ident; |
| |
| /* |
| * Fields below here are manipulated internally by pp_* functions and |
| * should not be counted on by callers. |
| */ |
| struct string_list in_body_headers; |
| }; |
| |
| struct userformat_want { |
| unsigned notes:1; |
| }; |
| |
| extern int has_non_ascii(const char *text); |
| struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */ |
| extern char *logmsg_reencode(const struct commit *commit, |
| char **commit_encoding, |
| const char *output_encoding); |
| extern void logmsg_free(char *msg, const struct commit *commit); |
| extern void get_commit_format(const char *arg, struct rev_info *); |
| extern const char *format_subject(struct strbuf *sb, const char *msg, |
| const char *line_separator); |
| extern void userformat_find_requirements(const char *fmt, struct userformat_want *w); |
| extern void format_commit_message(const struct commit *commit, |
| const char *format, struct strbuf *sb, |
| const struct pretty_print_context *context); |
| extern void pretty_print_commit(struct pretty_print_context *pp, |
| const struct commit *commit, |
| struct strbuf *sb); |
| extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit, |
| struct strbuf *sb); |
| void pp_user_info(struct pretty_print_context *pp, |
| const char *what, struct strbuf *sb, |
| const char *line, const char *encoding); |
| void pp_title_line(struct pretty_print_context *pp, |
| const char **msg_p, |
| struct strbuf *sb, |
| const char *encoding, |
| int need_8bit_cte); |
| void pp_remainder(struct pretty_print_context *pp, |
| const char **msg_p, |
| struct strbuf *sb, |
| int indent); |
| |
| |
| /** 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); |
| void clear_commit_marks_many(int nr, struct commit **commit, unsigned int mark); |
| void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark); |
| |
| |
| enum rev_sort_order { |
| REV_SORT_IN_GRAPH_ORDER = 0, |
| REV_SORT_BY_COMMIT_DATE, |
| REV_SORT_BY_AUTHOR_DATE |
| }; |
| |
| /* |
| * Performs an in-place topological sort of list supplied. |
| * |
| * invariant of resulting list is: |
| * a reachable from b => ord(b) < ord(a) |
| * sort_order further specifies: |
| * REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent |
| * chain together. |
| * REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order. |
| */ |
| void sort_in_topological_order(struct commit_list **, enum rev_sort_order); |
| |
| struct commit_graft { |
| unsigned char sha1[20]; |
| int nr_parent; /* < 0 if shallow commit */ |
| unsigned char parent[FLEX_ARRAY][20]; /* more */ |
| }; |
| typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *); |
| |
| struct commit_graft *read_graft_line(char *buf, int len); |
| int register_commit_graft(struct commit_graft *, int); |
| struct commit_graft *lookup_commit_graft(const unsigned char *sha1); |
| |
| extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup); |
| extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup); |
| extern struct commit_list *get_octopus_merge_bases(struct commit_list *in); |
| |
| /* largest positive number a signed 32-bit integer can contain */ |
| #define INFINITE_DEPTH 0x7fffffff |
| |
| extern int register_shallow(const unsigned char *sha1); |
| extern int unregister_shallow(const unsigned char *sha1); |
| extern int for_each_commit_graft(each_commit_graft_fn, void *); |
| 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); |
| extern void check_shallow_file_for_update(void); |
| extern void set_alternate_shallow_file(const char *path); |
| extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol); |
| extern void setup_alternate_shallow(struct lock_file *shallow_lock, |
| const char **alternate_shallow_file); |
| extern char *setup_temporary_shallow(void); |
| |
| int is_descendant_of(struct commit *, struct commit_list *); |
| int in_merge_bases(struct commit *, struct commit *); |
| int in_merge_bases_many(struct commit *, int, struct commit **); |
| |
| extern int interactive_add(int argc, const char **argv, const char *prefix, int patch); |
| extern int run_add_interactive(const char *revision, const char *patch_mode, |
| const char **pathspec); |
| |
| static inline int single_parent(struct commit *commit) |
| { |
| return commit->parents && !commit->parents->next; |
| } |
| |
| struct commit_list *reduce_heads(struct commit_list *heads); |
| |
| struct commit_extra_header { |
| struct commit_extra_header *next; |
| char *key; |
| char *value; |
| size_t len; |
| }; |
| |
| extern void append_merge_tag_headers(struct commit_list *parents, |
| struct commit_extra_header ***tail); |
| |
| extern int commit_tree(const struct strbuf *msg, unsigned char *tree, |
| struct commit_list *parents, unsigned char *ret, |
| const char *author, const char *sign_commit); |
| |
| extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree, |
| struct commit_list *parents, unsigned char *ret, |
| const char *author, const char *sign_commit, |
| struct commit_extra_header *); |
| |
| extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **); |
| |
| extern void free_commit_extra_headers(struct commit_extra_header *extra); |
| |
| struct merge_remote_desc { |
| struct object *obj; /* the named object, could be a tag */ |
| const char *name; |
| }; |
| #define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util)) |
| |
| /* |
| * Given "name" from the command line to merge, find the commit object |
| * and return it, while storing merge_remote_desc in its ->util field, |
| * to allow callers to tell if we are told to merge a tag. |
| */ |
| struct commit *get_merge_parent(const char *name); |
| |
| extern int parse_signed_commit(const unsigned char *sha1, |
| struct strbuf *message, struct strbuf *signature); |
| extern void print_commit_list(struct commit_list *list, |
| const char *format_cur, |
| const char *format_last); |
| |
| /* |
| * Check the signature of the given commit. The result of the check is stored |
| * in sig->check_result, 'G' for a good signature, 'U' for a good signature |
| * from an untrusted signer, 'B' for a bad signature and 'N' for no signature |
| * at all. This may allocate memory for sig->gpg_output, sig->gpg_status, |
| * sig->signer and sig->key. |
| */ |
| extern void check_commit_signature(const struct commit* commit, struct signature_check *sigc); |
| |
| int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused); |
| |
| #endif /* COMMIT_H */ |