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 CHILD_SHOWN     (1u<<6)
  11#define ADDED           (1u<<7) /* Parents already parsed and added? */
  12#define SYMMETRIC_LEFT  (1u<<8)
  13
  14struct rev_info;
  15struct log_info;
  16
  17typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  18
  19struct rev_info {
  20        /* Starting list */
  21        struct commit_list *commits;
  22        struct object_array pending;
  23
  24        /* Parents of shown commits */
  25        struct object_array boundary_commits;
  26
  27        /* Basic information */
  28        const char *prefix;
  29        void *prune_data;
  30        prune_fn_t *prune_fn;
  31
  32        /* Traversal flags */
  33        unsigned int    dense:1,
  34                        no_merges:1,
  35                        no_walk:1,
  36                        remove_empty_trees:1,
  37                        simplify_history:1,
  38                        lifo:1,
  39                        topo_order:1,
  40                        tag_objects:1,
  41                        tree_objects:1,
  42                        blob_objects:1,
  43                        edge_hint:1,
  44                        limited:1,
  45                        unpacked:1, /* see also ignore_packed below */
  46                        boundary:2,
  47                        left_right:1,
  48                        parents:1,
  49                        reverse:1,
  50                        first_parent_only:1;
  51
  52        /* Diff flags */
  53        unsigned int    diff:1,
  54                        full_diff:1,
  55                        show_root_diff:1,
  56                        no_commit_id:1,
  57                        verbose_header:1,
  58                        ignore_merges:1,
  59                        combine_merges:1,
  60                        dense_combined_merges:1,
  61                        always_show_header:1;
  62
  63        /* Format info */
  64        unsigned int    shown_one:1,
  65                        abbrev_commit:1,
  66                        relative_date:1;
  67
  68        const char **ignore_packed; /* pretend objects in these are unpacked */
  69        int num_ignore_packed;
  70
  71        unsigned int    abbrev;
  72        enum cmit_fmt   commit_format;
  73        struct log_info *loginfo;
  74        int             nr, total;
  75        const char      *mime_boundary;
  76        const char      *message_id;
  77        const char      *ref_message_id;
  78        const char      *add_signoff;
  79        const char      *extra_headers;
  80        const char      *log_reencode;
  81        const char      *subject_prefix;
  82        int             no_inline;
  83
  84        /* Filter by commit log message */
  85        struct grep_opt *grep_filter;
  86
  87        /* special limits */
  88        int skip_count;
  89        int max_count;
  90        unsigned long max_age;
  91        unsigned long min_age;
  92
  93        /* diff info for patches and for paths limiting */
  94        struct diff_options diffopt;
  95        struct diff_options pruning;
  96
  97        topo_sort_set_fn_t topo_setter;
  98        topo_sort_get_fn_t topo_getter;
  99
 100        struct reflog_walk_info *reflog_info;
 101};
 102
 103#define REV_TREE_SAME           0
 104#define REV_TREE_NEW            1
 105#define REV_TREE_DIFFERENT      2
 106
 107/* revision.c */
 108extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
 109extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
 110
 111extern void init_revisions(struct rev_info *revs, const char *prefix);
 112extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 113extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 114
 115extern void prepare_revision_walk(struct rev_info *revs);
 116extern struct commit *get_revision(struct rev_info *revs);
 117
 118extern void mark_parents_uninteresting(struct commit *commit);
 119extern void mark_tree_uninteresting(struct tree *tree);
 120
 121struct name_path {
 122        struct name_path *up;
 123        int elem_len;
 124        const char *elem;
 125};
 126
 127extern void add_object(struct object *obj,
 128                       struct object_array *p,
 129                       struct name_path *path,
 130                       const char *name);
 131
 132extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 133
 134#endif