revision.hon commit Update GIT_TRACE documentation. (2886bdb)
   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 BOUNDARY_SHOW   (1u<<6)
  11#define ADDED           (1u<<7) /* Parents already parsed and added? */
  12
  13struct rev_info;
  14struct log_info;
  15
  16typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  17
  18struct rev_info {
  19        /* Starting list */
  20        struct commit_list *commits;
  21        struct object_array pending;
  22
  23        /* Basic information */
  24        const char *prefix;
  25        void *prune_data;
  26        prune_fn_t *prune_fn;
  27
  28        /* Traversal flags */
  29        unsigned int    dense:1,
  30                        no_merges:1,
  31                        no_walk:1,
  32                        remove_empty_trees:1,
  33                        simplify_history:1,
  34                        lifo:1,
  35                        topo_order:1,
  36                        tag_objects:1,
  37                        tree_objects:1,
  38                        blob_objects:1,
  39                        edge_hint:1,
  40                        limited:1,
  41                        unpacked:1,
  42                        boundary:1,
  43                        parents:1;
  44
  45        /* Diff flags */
  46        unsigned int    diff:1,
  47                        full_diff:1,
  48                        show_root_diff:1,
  49                        no_commit_id:1,
  50                        verbose_header:1,
  51                        ignore_merges:1,
  52                        combine_merges:1,
  53                        dense_combined_merges:1,
  54                        always_show_header:1;
  55
  56        /* Format info */
  57        unsigned int    shown_one:1,
  58                        abbrev_commit:1,
  59                        relative_date:1;
  60        unsigned int    abbrev;
  61        enum cmit_fmt   commit_format;
  62        struct log_info *loginfo;
  63        int             nr, total;
  64        const char      *mime_boundary;
  65        const char      *message_id;
  66        const char      *ref_message_id;
  67        const char      *add_signoff;
  68        const char      *extra_headers;
  69
  70        /* special limits */
  71        int max_count;
  72        unsigned long max_age;
  73        unsigned long min_age;
  74
  75        /* diff info for patches and for paths limiting */
  76        struct diff_options diffopt;
  77        struct diff_options pruning;
  78
  79        topo_sort_set_fn_t topo_setter;
  80        topo_sort_get_fn_t topo_getter;
  81};
  82
  83#define REV_TREE_SAME           0
  84#define REV_TREE_NEW            1
  85#define REV_TREE_DIFFERENT      2
  86
  87/* revision.c */
  88extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
  89extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
  90
  91extern void init_revisions(struct rev_info *revs, const char *prefix);
  92extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
  93extern void prepare_revision_walk(struct rev_info *revs);
  94extern struct commit *get_revision(struct rev_info *revs);
  95
  96extern void mark_parents_uninteresting(struct commit *commit);
  97extern void mark_tree_uninteresting(struct tree *tree);
  98
  99struct name_path {
 100        struct name_path *up;
 101        int elem_len;
 102        const char *elem;
 103};
 104
 105extern void add_object(struct object *obj,
 106                       struct object_array *p,
 107                       struct name_path *path,
 108                       const char *name);
 109
 110extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 111
 112#endif