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