diff options
Diffstat (limited to 'commit.h')
| -rw-r--r-- | commit.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/commit.h b/commit.h new file mode 100644 index 0000000000..3cf5166581 --- /dev/null +++ b/commit.h @@ -0,0 +1,161 @@ +#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 int indegree; + 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); +unsigned commit_list_count(const struct commit_list *l); +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, +}; + +struct pretty_print_context +{ + int abbrev; + const char *subject; + const char *after_subject; + enum date_mode date_mode; + int need_8bit_cte; + int show_notes; + struct reflog_walk_info *reflog_info; +}; + +extern int has_non_ascii(const char *text); +struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */ +extern char *reencode_commit_message(const struct commit *commit, + const char **encoding_p); +extern void get_commit_format(const char *arg, struct rev_info *); +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(enum cmit_fmt fmt, const struct commit *commit, + struct strbuf *sb, + const struct pretty_print_context *context); +void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb, + const char *line, enum date_mode dmode, + const char *encoding); +void pp_title_line(enum cmit_fmt fmt, + const char **msg_p, + struct strbuf *sb, + const char *subject, + const char *after_subject, + const char *encoding, + int need_8bit_cte); +void pp_remainder(enum cmit_fmt fmt, + 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); + +/* + * Performs an in-place topological sort of list supplied. + * + * 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. + */ +void sort_in_topological_order(struct commit_list ** list, int lifo); + +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); +struct commit_graft *lookup_commit_graft(const unsigned char *sha1); + +const unsigned char *lookup_replace_object(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); + +extern int register_shallow(const unsigned char *sha1); +extern int unregister_shallow(const unsigned char *sha1); +extern int write_shallow_commits(struct strbuf *out, 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 is_descendant_of(struct commit *, struct commit_list *); +int in_merge_bases(struct commit *, struct commit **, int); + +extern int interactive_add(int argc, const char **argv, const char *prefix); +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); + +#endif /* COMMIT_H */ |