revision.h

   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
  14 struct rev_info;
  15 struct log_info;
  16
  17 typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  18
  19 struct 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
  51         /* Diff flags */
  52         unsigned int    diff:1,
  53                         full_diff:1,
  54                         show_root_diff:1,
  55                         no_commit_id:1,
  56                         verbose_header:1,
  57                         ignore_merges:1,
  58                         combine_merges:1,
  59                         dense_combined_merges:1,
  60                         always_show_header:1;
  61
  62         /* Format info */
  63         unsigned int    shown_one:1,
  64                         abbrev_commit:1,
  65                         relative_date:1;
  66
  67         const char **ignore_packed; /* pretend objects in these are unpacked */
  68         int num_ignore_packed;
  69
  70         unsigned int    abbrev;
  71         enum cmit_fmt   commit_format;
  72         struct log_info *loginfo;
  73         int             nr, total;
  74         const char      *mime_boundary;
  75         const char      *message_id;
  76         const char      *ref_message_id;
  77         const char      *add_signoff;
  78         const char      *extra_headers;
  79         const char      *log_reencode;
  80
  81         /* Filter by commit log message */
  82         struct grep_opt *grep_filter;
  83
  84         /* special limits */
  85         int skip_count;
  86         int max_count;
  87         unsigned long max_age;
  88         unsigned long min_age;
  89
  90         /* diff info for patches and for paths limiting */
  91         struct diff_options diffopt;
  92         struct diff_options pruning;
  93
  94         topo_sort_set_fn_t topo_setter;
  95         topo_sort_get_fn_t topo_getter;
  96
  97         struct reflog_walk_info *reflog_info;
  98 };
  99
 100 #define REV_TREE_SAME           0
 101 #define REV_TREE_NEW            1
 102 #define REV_TREE_DIFFERENT      2
 103
 104 /* revision.c */
 105 extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
 106 extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
 107
 108 extern void init_revisions(struct rev_info *revs, const char *prefix);
 109 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 110 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 111
 112 extern void prepare_revision_walk(struct rev_info *revs);
 113 extern struct commit *get_revision(struct rev_info *revs);
 114
 115 extern void mark_parents_uninteresting(struct commit *commit);
 116 extern void mark_tree_uninteresting(struct tree *tree);
 117
 118 struct name_path {
 119         struct name_path *up;
 120         int elem_len;
 121         const char *elem;
 122 };
 123
 124 extern void add_object(struct object *obj,
 125                        struct object_array *p,
 126                        struct name_path *path,
 127                        const char *name);
 128
 129 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 130
 131 #endif