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adc3a81ce2
Gives a better DWIM behaviour for --pretty=format:%gd, "stash list", and "log -g", depending on how the starting point ("master" vs "master@{0}" vs "master@{now}") and date formatting options (e.g. "--date=iso") are given on the command line. By Jeff King (4) and Junio C Hamano (1) * jk/maint-reflog-walk-count-vs-time: reflog-walk: tell explicit --date=default from not having --date at all reflog-walk: always make HEAD@{0} show indexed selectors reflog-walk: clean up "flag" field of commit_reflog struct log: respect date_mode_explicit with --format:%gd t1411: add more selector index/date tests
227 lines
7.4 KiB
C
227 lines
7.4 KiB
C
#ifndef COMMIT_H
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#define COMMIT_H
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#include "object.h"
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#include "tree.h"
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#include "strbuf.h"
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#include "decorate.h"
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struct commit_list {
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struct commit *item;
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struct commit_list *next;
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};
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struct commit {
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struct object object;
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void *util;
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unsigned int indegree;
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unsigned long date;
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struct commit_list *parents;
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struct tree *tree;
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char *buffer;
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};
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extern int save_commit_buffer;
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extern const char *commit_type;
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/* While we can decorate any object with a name, it's only used for commits.. */
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extern struct decoration name_decoration;
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struct name_decoration {
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struct name_decoration *next;
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int type;
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char name[1];
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};
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struct commit *lookup_commit(const unsigned char *sha1);
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struct commit *lookup_commit_reference(const unsigned char *sha1);
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struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
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int quiet);
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struct commit *lookup_commit_reference_by_name(const char *name);
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/*
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* Look up object named by "sha1", dereference tag as necessary,
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* get a commit and return it. If "sha1" does not dereference to
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* a commit, use ref_name to report an error and die.
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*/
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struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name);
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int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size);
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int parse_commit(struct commit *item);
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/* Find beginning and length of commit subject. */
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int find_commit_subject(const char *commit_buffer, const char **subject);
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struct commit_list *commit_list_insert(struct commit *item,
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struct commit_list **list);
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struct commit_list **commit_list_append(struct commit *commit,
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struct commit_list **next);
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unsigned commit_list_count(const struct commit_list *l);
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struct commit_list *commit_list_insert_by_date(struct commit *item,
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struct commit_list **list);
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void commit_list_sort_by_date(struct commit_list **list);
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void free_commit_list(struct commit_list *list);
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/* Commit formats */
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enum cmit_fmt {
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CMIT_FMT_RAW,
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CMIT_FMT_MEDIUM,
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CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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CMIT_FMT_SHORT,
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CMIT_FMT_FULL,
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CMIT_FMT_FULLER,
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CMIT_FMT_ONELINE,
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CMIT_FMT_EMAIL,
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CMIT_FMT_USERFORMAT,
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CMIT_FMT_UNSPECIFIED
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};
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struct pretty_print_context {
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enum cmit_fmt fmt;
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int abbrev;
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const char *subject;
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const char *after_subject;
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int preserve_subject;
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enum date_mode date_mode;
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unsigned date_mode_explicit:1;
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int need_8bit_cte;
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int show_notes;
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struct reflog_walk_info *reflog_info;
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const char *output_encoding;
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};
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struct userformat_want {
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unsigned notes:1;
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};
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extern int has_non_ascii(const char *text);
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struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
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extern char *logmsg_reencode(const struct commit *commit,
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const char *output_encoding);
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extern char *reencode_commit_message(const struct commit *commit,
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const char **encoding_p);
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extern void get_commit_format(const char *arg, struct rev_info *);
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extern const char *format_subject(struct strbuf *sb, const char *msg,
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const char *line_separator);
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extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
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extern void format_commit_message(const struct commit *commit,
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const char *format, struct strbuf *sb,
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const struct pretty_print_context *context);
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extern void pretty_print_commit(const struct pretty_print_context *pp,
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const struct commit *commit,
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struct strbuf *sb);
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extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
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struct strbuf *sb);
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void pp_user_info(const struct pretty_print_context *pp,
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const char *what, struct strbuf *sb,
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const char *line, const char *encoding);
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void pp_title_line(const struct pretty_print_context *pp,
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const char **msg_p,
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struct strbuf *sb,
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const char *encoding,
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int need_8bit_cte);
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void pp_remainder(const struct pretty_print_context *pp,
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const char **msg_p,
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struct strbuf *sb,
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int indent);
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/** Removes the first commit from a list sorted by date, and adds all
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* of its parents.
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**/
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struct commit *pop_most_recent_commit(struct commit_list **list,
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unsigned int mark);
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struct commit *pop_commit(struct commit_list **stack);
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void clear_commit_marks(struct commit *commit, unsigned int mark);
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void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark);
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/*
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* Performs an in-place topological sort of list supplied.
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*
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* invariant of resulting list is:
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* a reachable from b => ord(b) < ord(a)
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* in addition, when lifo == 0, commits on parallel tracks are
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* sorted in the dates order.
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*/
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void sort_in_topological_order(struct commit_list ** list, int lifo);
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struct commit_graft {
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unsigned char sha1[20];
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int nr_parent; /* < 0 if shallow commit */
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unsigned char parent[FLEX_ARRAY][20]; /* more */
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};
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typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
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struct commit_graft *read_graft_line(char *buf, int len);
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int register_commit_graft(struct commit_graft *, int);
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struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
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extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
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extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup);
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extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
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extern int register_shallow(const unsigned char *sha1);
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extern int unregister_shallow(const unsigned char *sha1);
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extern int for_each_commit_graft(each_commit_graft_fn, void *);
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extern int is_repository_shallow(void);
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extern struct commit_list *get_shallow_commits(struct object_array *heads,
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int depth, int shallow_flag, int not_shallow_flag);
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int is_descendant_of(struct commit *, struct commit_list *);
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int in_merge_bases(struct commit *, struct commit **, int);
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extern int interactive_add(int argc, const char **argv, const char *prefix, int patch);
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extern int run_add_interactive(const char *revision, const char *patch_mode,
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const char **pathspec);
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static inline int single_parent(struct commit *commit)
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{
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return commit->parents && !commit->parents->next;
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}
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struct commit_list *reduce_heads(struct commit_list *heads);
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struct commit_extra_header {
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struct commit_extra_header *next;
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char *key;
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char *value;
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size_t len;
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};
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extern void append_merge_tag_headers(struct commit_list *parents,
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struct commit_extra_header ***tail);
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extern int commit_tree(const struct strbuf *msg, unsigned char *tree,
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struct commit_list *parents, unsigned char *ret,
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const char *author, const char *sign_commit);
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extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
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struct commit_list *parents, unsigned char *ret,
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const char *author, const char *sign_commit,
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struct commit_extra_header *);
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extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
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extern struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
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extern void free_commit_extra_headers(struct commit_extra_header *extra);
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struct merge_remote_desc {
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struct object *obj; /* the named object, could be a tag */
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const char *name;
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};
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#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
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/*
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* Given "name" from the command line to merge, find the commit object
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* and return it, while storing merge_remote_desc in its ->util field,
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* to allow callers to tell if we are told to merge a tag.
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*/
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struct commit *get_merge_parent(const char *name);
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extern int parse_signed_commit(const unsigned char *sha1,
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struct strbuf *message, struct strbuf *signature);
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#endif /* COMMIT_H */
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