revision.h

   1 #ifndef REVISION_H
   2 #define REVISION_H
   3
   4 #include "parse-options.h"
   5 #include "grep.h"
   6
   7 #define SEEN            (1u<<0)
   8 #define UNINTERESTING   (1u<<1)
   9 #define TREESAME        (1u<<2)
  10 #define SHOWN           (1u<<3)
  11 #define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
  12 #define BOUNDARY        (1u<<5)
  13 #define CHILD_SHOWN     (1u<<6)
  14 #define ADDED           (1u<<7) /* Parents already parsed and added? */
  15 #define SYMMETRIC_LEFT  (1u<<8)
  16 #define FACE_VALUE      (1u<<9)
  17 #define ALL_REV_FLAGS   ((1u<<10)-1)
  18
  19 #define DECORATE_SHORT_REFS     1
  20 #define DECORATE_FULL_REFS      2
  21
  22 struct rev_info;
  23 struct log_info;
  24
  25 struct rev_cache_slice_map {
  26         unsigned char *map;
  27         int size;
  28         int last_index;
  29
  30         char *names;
  31         int name_size;
  32 };
  33
  34 struct rev_cache_info {
  35         /* generation flags */
  36         unsigned objects : 1,
  37                 legs : 1,
  38                 make_index : 1,
  39                 fuse_me : 1;
  40
  41         /* index inclusion */
  42         unsigned overwrite_all : 1;
  43
  44         /* traversal flags */
  45         unsigned add_to_pending : 1,
  46                 add_names : 1;
  47
  48         /* fuse options */
  49         unsigned int ignore_size;
  50
  51         /* reserved */
  52         struct rev_cache_slice_map *maps,
  53                 *last_map;
  54 };
  55
  56 struct rev_info {
  57         /* Starting list */
  58         struct commit_list *commits;
  59         struct object_array pending;
  60
  61         /* Parents of shown commits */
  62         struct object_array boundary_commits;
  63
  64         /* Basic information */
  65         const char *prefix;
  66         const char *def;
  67         void *prune_data;
  68         unsigned int early_output;
  69
  70         /* Traversal flags */
  71         unsigned int    dense:1,
  72                         prune:1,
  73                         no_merges:1,
  74                         merges_only:1,
  75                         no_walk:1,
  76                         show_all:1,
  77                         remove_empty_trees:1,
  78                         simplify_history:1,
  79                         lifo:1,
  80                         topo_order:1,
  81                         simplify_merges:1,
  82                         simplify_by_decoration:1,
  83                         tag_objects:1,
  84                         tree_objects:1,
  85                         blob_objects:1,
  86                         edge_hint:1,
  87                         limited:1,
  88                         unpacked:1,
  89                         boundary:2,
  90                         left_right:1,
  91                         rewrite_parents:1,
  92                         print_parents:1,
  93                         show_source:1,
  94                         show_decorations:1,
  95                         reverse:1,
  96                         reverse_output_stage:1,
  97                         cherry_pick:1,
  98                         first_parent_only:1;
  99
 100         /* Diff flags */
 101         unsigned int    diff:1,
 102                         full_diff:1,
 103                         show_root_diff:1,
 104                         no_commit_id:1,
 105                         verbose_header:1,
 106                         ignore_merges:1,
 107                         combine_merges:1,
 108                         dense_combined_merges:1,
 109                         always_show_header:1;
 110
 111         /* rev-cache flags */
 112         unsigned int for_pack:1,
 113                 dont_cache_me:1;
 114
 115         /* Format info */
 116         unsigned int    shown_one:1,
 117                         show_merge:1,
 118                         abbrev_commit:1,
 119                         use_terminator:1,
 120                         missing_newline:1;
 121         enum date_mode date_mode;
 122
 123         unsigned int    abbrev;
 124         enum cmit_fmt   commit_format;
 125         struct log_info *loginfo;
 126         int             nr, total;
 127         const char      *mime_boundary;
 128         const char      *patch_suffix;
 129         int             numbered_files;
 130         char            *message_id;
 131         struct string_list *ref_message_ids;
 132         const char      *add_signoff;
 133         const char      *extra_headers;
 134         const char      *log_reencode;
 135         const char      *subject_prefix;
 136         int             no_inline;
 137         int             show_log_size;
 138
 139         /* Filter by commit log message */
 140         struct grep_opt grep_filter;
 141
 142         /* Display history graph */
 143         struct git_graph *graph;
 144
 145         /* special limits */
 146         int skip_count;
 147         int max_count;
 148         unsigned long max_age;
 149         unsigned long min_age;
 150
 151         /* diff info for patches and for paths limiting */
 152         struct diff_options diffopt;
 153         struct diff_options pruning;
 154
 155         struct reflog_walk_info *reflog_info;
 156         struct decoration children;
 157         struct decoration merge_simplification;
 158
 159         /* caching info, used ONLY by traverse_cache_slice */
 160         struct rev_cache_info rev_cache_info;
 161 };
 162
 163 #define REV_TREE_SAME           0
 164 #define REV_TREE_NEW            1       /* Only new files */
 165 #define REV_TREE_OLD            2       /* Only files removed */
 166 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
 167
 168 /* revision.c */
 169 void read_revisions_from_stdin(struct rev_info *revs);
 170
 171 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 172 extern volatile show_early_output_fn_t show_early_output;
 173
 174 extern void init_revisions(struct rev_info *revs, const char *prefix);
 175 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 176 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 177                                  const struct option *options,
 178                                  const char * const usagestr[]);
 179 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 180
 181 extern int prepare_revision_walk(struct rev_info *revs);
 182 extern struct commit *get_revision(struct rev_info *revs);
 183
 184 extern void mark_parents_uninteresting(struct commit *commit);
 185 extern void mark_tree_uninteresting(struct tree *tree);
 186
 187 struct name_path {
 188         struct name_path *up;
 189         int elem_len;
 190         const char *elem;
 191 };
 192
 193 char *path_name(const struct name_path *path, const char *name);
 194
 195 extern void add_object(struct object *obj,
 196                        struct object_array *p,
 197                        struct name_path *path,
 198                        const char *name);
 199
 200 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 201
 202 extern void add_head_to_pending(struct rev_info *);
 203
 204 enum commit_action {
 205         commit_ignore,
 206         commit_show,
 207         commit_error
 208 };
 209
 210 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 211 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 212
 213 extern void insert_by_date_cached(struct commit *p, struct commit_list **head,
 214                     struct commit_list *cached_base, struct commit_list **cache);
 215
 216 #endif