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#define ADDED           (1u<<6) /* Parents already parsed and added? */
  11
  12struct rev_info;
  13
  14typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  15
  16struct rev_info {
  17        /* Starting list */
  18        struct commit_list *commits;
  19        struct object_list *pending_objects;
  20
  21        /* Basic information */
  22        const char *prefix;
  23        void *prune_data;
  24        prune_fn_t *prune_fn;
  25
  26        /* Traversal flags */
  27        unsigned int    dense:1,
  28                        no_merges:1,
  29                        no_walk:1,
  30                        remove_empty_trees:1,
  31                        lifo:1,
  32                        topo_order:1,
  33                        tag_objects:1,
  34                        tree_objects:1,
  35                        blob_objects:1,
  36                        edge_hint:1,
  37                        limited:1,
  38                        unpacked:1,
  39                        boundary:1,
  40                        parents:1;
  41
  42        /* Diff flags */
  43        unsigned int    diff:1,
  44                        full_diff:1,
  45                        show_root_diff:1,
  46                        no_commit_id:1,
  47                        verbose_header:1,
  48                        ignore_merges:1,
  49                        combine_merges:1,
  50                        dense_combined_merges:1,
  51                        always_show_header:1;
  52
  53        /* Format info */
  54        unsigned int    abbrev_commit:1;
  55        unsigned int    abbrev;
  56        enum cmit_fmt   commit_format;
  57        const char      *header_prefix;
  58        const char      *header;
  59        const char      *use_precomputed_header;
  60
  61        /* special limits */
  62        int max_count;
  63        unsigned long max_age;
  64        unsigned long min_age;
  65
  66        /* diff info for patches and for paths limiting */
  67        struct diff_options diffopt;
  68        struct diff_options pruning;
  69
  70        topo_sort_set_fn_t topo_setter;
  71        topo_sort_get_fn_t topo_getter;
  72};
  73
  74#define REV_TREE_SAME           0
  75#define REV_TREE_NEW            1
  76#define REV_TREE_DIFFERENT      2
  77
  78/* revision.c */
  79extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
  80extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
  81
  82extern void init_revisions(struct rev_info *revs);
  83extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
  84extern void prepare_revision_walk(struct rev_info *revs);
  85extern struct commit *get_revision(struct rev_info *revs);
  86
  87extern void mark_parents_uninteresting(struct commit *commit);
  88extern void mark_tree_uninteresting(struct tree *tree);
  89
  90struct name_path {
  91        struct name_path *up;
  92        int elem_len;
  93        const char *elem;
  94};
  95
  96extern struct object_list **add_object(struct object *obj,
  97                                       struct object_list **p,
  98                                       struct name_path *path,
  99                                       const char *name);
 100
 101#endif