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        const char *def;
  29        void *prune_data;
  30        unsigned int early_output;
  31
  32        /* Traversal flags */
  33        unsigned int    dense:1,
  34                        prune:1,
  35                        no_merges:1,
  36                        no_walk:1,
  37                        show_all:1,
  38                        remove_empty_trees:1,
  39                        simplify_history:1,
  40                        lifo:1,
  41                        topo_order:1,
  42                        tag_objects:1,
  43                        tree_objects:1,
  44                        blob_objects:1,
  45                        edge_hint:1,
  46                        limited:1,
  47                        unpacked:1, /* see also ignore_packed below */
  48                        boundary:2,
  49                        left_right:1,
  50                        rewrite_parents:1,
  51                        print_parents:1,
  52                        reverse:1,
  53                        cherry_pick:1,
  54                        first_parent_only:1;
  55
  56        /* Diff flags */
  57        unsigned int    diff:1,
  58                        full_diff:1,
  59                        show_root_diff:1,
  60                        no_commit_id:1,
  61                        verbose_header:1,
  62                        ignore_merges:1,
  63                        combine_merges:1,
  64                        dense_combined_merges:1,
  65                        always_show_header:1;
  66
  67        /* Format info */
  68        unsigned int    shown_one:1,
  69                        show_merge:1,
  70                        abbrev_commit:1,
  71                        use_terminator:1,
  72                        missing_newline:1;
  73        enum date_mode date_mode;
  74
  75        const char **ignore_packed; /* pretend objects in these are unpacked */
  76        int num_ignore_packed;
  77
  78        unsigned int    abbrev;
  79        enum cmit_fmt   commit_format;
  80        struct log_info *loginfo;
  81        int             nr, total;
  82        const char      *mime_boundary;
  83        char            *message_id;
  84        const char      *ref_message_id;
  85        const char      *add_signoff;
  86        const char      *extra_headers;
  87        const char      *log_reencode;
  88        const char      *subject_prefix;
  89        int             no_inline;
  90        int             show_log_size;
  91
  92        /* Filter by commit log message */
  93        struct grep_opt *grep_filter;
  94
  95        /* Display history graph */
  96        struct git_graph *graph;
  97
  98        /* special limits */
  99        int skip_count;
 100        int max_count;
 101        unsigned long max_age;
 102        unsigned long min_age;
 103
 104        /* diff info for patches and for paths limiting */
 105        struct diff_options diffopt;
 106        struct diff_options pruning;
 107
 108        struct reflog_walk_info *reflog_info;
 109        struct decoration children;
 110};
 111
 112#define REV_TREE_SAME           0
 113#define REV_TREE_NEW            1
 114#define REV_TREE_DIFFERENT      2
 115
 116/* revision.c */
 117typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 118volatile show_early_output_fn_t show_early_output;
 119
 120extern void init_revisions(struct rev_info *revs, const char *prefix);
 121extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 122extern int handle_revision_opt(struct rev_info *revs, int argc, const char **argv,
 123                               int *unkc, const char **unkv);
 124extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 125
 126extern int prepare_revision_walk(struct rev_info *revs);
 127extern struct commit *get_revision(struct rev_info *revs);
 128
 129extern void mark_parents_uninteresting(struct commit *commit);
 130extern void mark_tree_uninteresting(struct tree *tree);
 131
 132struct name_path {
 133        struct name_path *up;
 134        int elem_len;
 135        const char *elem;
 136};
 137
 138extern void add_object(struct object *obj,
 139                       struct object_array *p,
 140                       struct name_path *path,
 141                       const char *name);
 142
 143extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 144
 145extern void add_head_to_pending(struct rev_info *);
 146
 147enum commit_action {
 148        commit_ignore,
 149        commit_show,
 150        commit_error
 151};
 152
 153extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 154
 155#endif