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#define CHILD_SHOWN     (1u<<9)
  14
  15struct rev_info;
  16struct log_info;
  17
  18typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  19
  20struct rev_info {
  21        /* Starting list */
  22        struct commit_list *commits;
  23        struct object_array pending;
  24
  25        /* Parents of shown commits */
  26        struct object_array boundary_commits;
  27
  28        /* Basic information */
  29        const char *prefix;
  30        void *prune_data;
  31        prune_fn_t *prune_fn;
  32
  33        /* Traversal flags */
  34        unsigned int    dense:1,
  35                        no_merges:1,
  36                        no_walk:1,
  37                        remove_empty_trees:1,
  38                        simplify_history:1,
  39                        lifo:1,
  40                        topo_order:1,
  41                        tag_objects:1,
  42                        tree_objects:1,
  43                        blob_objects:1,
  44                        edge_hint:1,
  45                        limited:1,
  46                        unpacked:1, /* see also ignore_packed below */
  47                        boundary:2,
  48                        left_right:1,
  49                        parents:1,
  50                        reverse: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
  82        /* Filter by commit log message */
  83        struct grep_opt *grep_filter;
  84
  85        /* special limits */
  86        int skip_count;
  87        int max_count;
  88        unsigned long max_age;
  89        unsigned long min_age;
  90
  91        /* diff info for patches and for paths limiting */
  92        struct diff_options diffopt;
  93        struct diff_options pruning;
  94
  95        topo_sort_set_fn_t topo_setter;
  96        topo_sort_get_fn_t topo_getter;
  97
  98        struct reflog_walk_info *reflog_info;
  99};
 100
 101#define REV_TREE_SAME           0
 102#define REV_TREE_NEW            1
 103#define REV_TREE_DIFFERENT      2
 104
 105/* revision.c */
 106extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
 107extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
 108
 109extern void init_revisions(struct rev_info *revs, const char *prefix);
 110extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 111extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 112
 113extern void prepare_revision_walk(struct rev_info *revs);
 114extern struct commit *get_revision(struct rev_info *revs);
 115
 116extern void mark_parents_uninteresting(struct commit *commit);
 117extern void mark_tree_uninteresting(struct tree *tree);
 118
 119struct name_path {
 120        struct name_path *up;
 121        int elem_len;
 122        const char *elem;
 123};
 124
 125extern void add_object(struct object *obj,
 126                       struct object_array *p,
 127                       struct name_path *path,
 128                       const char *name);
 129
 130extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 131
 132#endif