Andrew's git - gitweb.git/blob

   1#ifndef REVISION_H
   2#define REVISION_H
   3
   4#define SEEN            (1u<<0)
   5#define UNINTERESTING   (1u<<1)
   6#define TREECHANGE      (1u<<2)
   7#define SHOWN           (1u<<3)
   8#define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
   9#define BOUNDARY        (1u<<5)
  10
  11struct rev_info;
  12
  13typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  14
  15struct rev_info {
  16        /* Starting list */
  17        struct commit_list *commits;
  18        struct object_list *pending_objects;
  19
  20        /* Basic information */
  21        const char *prefix;
  22        void *prune_data;
  23        prune_fn_t *prune_fn;
  24
  25        /* Traversal flags */
  26        unsigned int    dense:1,
  27                        no_merges:1,
  28                        remove_empty_trees:1,
  29                        lifo:1,
  30                        topo_order:1,
  31                        tag_objects:1,
  32                        tree_objects:1,
  33                        blob_objects:1,
  34                        edge_hint:1,
  35                        limited:1,
  36                        unpacked:1,
  37                        boundary:1;
  38
  39        /* special limits */
  40        int max_count;
  41        unsigned long max_age;
  42        unsigned long min_age;
  43
  44        topo_sort_set_fn_t topo_setter;
  45        topo_sort_get_fn_t topo_getter;
  46};
  47
  48#define REV_TREE_SAME           0
  49#define REV_TREE_NEW            1
  50#define REV_TREE_DIFFERENT      2
  51
  52/* revision.c */
  53extern int rev_same_tree_as_empty(struct tree *t1);
  54extern int rev_compare_tree(struct tree *t1, struct tree *t2);
  55
  56extern void init_revisions(struct rev_info *revs);
  57extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
  58extern void prepare_revision_walk(struct rev_info *revs);
  59extern struct commit *get_revision(struct rev_info *revs);
  60
  61extern void mark_parents_uninteresting(struct commit *commit);
  62extern void mark_tree_uninteresting(struct tree *tree);
  63
  64struct name_path {
  65        struct name_path *up;
  66        int elem_len;
  67        const char *elem;
  68};
  69
  70extern struct object_list **add_object(struct object *obj,
  71                                       struct object_list **p,
  72                                       struct name_path *path,
  73                                       const char *name);
  74
  75#endif