include/refs.h

   1 /* Copyright (c) 2006-2013 Jonas Fonseca <fonseca@diku.dk>
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License as
   5  * published by the Free Software Foundation; either version 2 of
   6  * the License, or (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef TIG_REFS_H
  15 #define TIG_REFS_H
  16
  17 #include "tig.h"
  18
  19 struct ref {
  20         char id[SIZEOF_REV];    /* Commit SHA1 ID */
  21         unsigned int head:1;    /* Is it the current HEAD? */
  22         unsigned int tag:1;     /* Is it a tag? */
  23         unsigned int ltag:1;    /* If so, is the tag local? */
  24         unsigned int remote:1;  /* Is it a remote ref? */
  25         unsigned int replace:1; /* Is it a replace ref? */
  26         unsigned int tracked:1; /* Is it the remote for the current HEAD? */
  27         unsigned int valid:1;   /* Is the ref still valid? */
  28         char name[1];           /* Ref name; tag or head names are shortened. */
  29 };
  30
  31 struct ref_list {
  32         char id[SIZEOF_REV];    /* Commit SHA1 ID */
  33         size_t size;            /* Number of refs. */
  34         struct ref **refs;      /* References for this ID. */
  35 };
  36
  37 #define is_initial_commit()     (!get_ref_head())
  38 #define is_head_commit(rev)     (!strcmp((rev), "HEAD") || (get_ref_head() && !strncmp(rev, get_ref_head()->id, SIZEOF_REV - 1)))
  39
  40 struct ref *get_ref_head();
  41 struct ref_list *get_ref_list(const char *id);
  42 void foreach_ref(bool (*visitor)(void *data, const struct ref *ref), void *data);
  43 int load_refs(bool force);
  44 int add_ref(const char *id, char *name, const char *remote_name, const char *head);
  45
  46 #endif
  47
  48 /* vim: set ts=8 sw=8 noexpandtab: */