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