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 TREESAME        (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#define TOPOSORT        (1u<<9) /* In the active toposort list.. */
  14
  15struct rev_info;
  16struct log_info;
  17
  18struct rev_info {
  19        /* Starting list */
  20        struct commit_list *commits;
  21        struct object_array pending;
  22
  23        /* Parents of shown commits */
  24        struct object_array boundary_commits;
  25
  26        /* Basic information */
  27        const char *prefix;
  28        void *prune_data;
  29        unsigned int early_output;
  30
  31        /* Traversal flags */
  32        unsigned int    dense:1,
  33                        prune: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                        cherry_pick:1,
  51                        first_parent_only:1;
  52
  53        /* Diff flags */
  54        unsigned int    diff:1,
  55                        full_diff:1,
  56                        show_root_diff:1,
  57                        no_commit_id:1,
  58                        verbose_header:1,
  59                        ignore_merges:1,
  60                        combine_merges:1,
  61                        dense_combined_merges:1,
  62                        always_show_header:1;
  63
  64        /* Format info */
  65        unsigned int    shown_one:1,
  66                        abbrev_commit:1;
  67        enum date_mode date_mode;
  68
  69        const char **ignore_packed; /* pretend objects in these are unpacked */
  70        int num_ignore_packed;
  71
  72        unsigned int    abbrev;
  73        enum cmit_fmt   commit_format;
  74        struct log_info *loginfo;
  75        int             nr, total;
  76        const char      *mime_boundary;
  77        const char      *message_id;
  78        const char      *ref_message_id;
  79        const char      *add_signoff;
  80        const char      *extra_headers;
  81        const char      *log_reencode;
  82        const char      *subject_prefix;
  83        int             no_inline;
  84        int             show_log_size;
  85
  86        /* Filter by commit log message */
  87        struct grep_opt *grep_filter;
  88
  89        /* special limits */
  90        int skip_count;
  91        int max_count;
  92        unsigned long max_age;
  93        unsigned long min_age;
  94
  95        /* diff info for patches and for paths limiting */
  96        struct diff_options diffopt;
  97        struct diff_options pruning;
  98
  99        struct reflog_walk_info *reflog_info;
 100};
 101
 102#define REV_TREE_SAME           0
 103#define REV_TREE_NEW            1
 104#define REV_TREE_DIFFERENT      2
 105
 106/* revision.c */
 107typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 108volatile show_early_output_fn_t show_early_output;
 109
 110extern void init_revisions(struct rev_info *revs, const char *prefix);
 111extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 112extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 113
 114extern int prepare_revision_walk(struct rev_info *revs);
 115extern struct commit *get_revision(struct rev_info *revs);
 116
 117extern void mark_parents_uninteresting(struct commit *commit);
 118extern void mark_tree_uninteresting(struct tree *tree);
 119
 120struct name_path {
 121        struct name_path *up;
 122        int elem_len;
 123        const char *elem;
 124};
 125
 126extern void add_object(struct object *obj,
 127                       struct object_array *p,
 128                       struct name_path *path,
 129                       const char *name);
 130
 131extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 132
 133extern void add_head_to_pending(struct rev_info *);
 134
 135enum commit_action {
 136        commit_ignore,
 137        commit_show,
 138        commit_error
 139};
 140
 141extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 142
 143#endif