revision.h

   1 #ifndef REVISION_H
   2 #define REVISION_H
   3
   4 #include "parse-options.h"
   5 #include "grep.h"
   6 #include "notes.h"
   7
   8 #define SEEN            (1u<<0)
   9 #define UNINTERESTING   (1u<<1)
  10 #define TREESAME        (1u<<2)
  11 #define SHOWN           (1u<<3)
  12 #define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
  13 #define BOUNDARY        (1u<<5)
  14 #define CHILD_SHOWN     (1u<<6)
  15 #define ADDED           (1u<<7) /* Parents already parsed and added? */
  16 #define SYMMETRIC_LEFT  (1u<<8)
  17 #define PATCHSAME       (1u<<9)
  18 #define ALL_REV_FLAGS   ((1u<<10)-1)
  19
  20 #define DECORATE_SHORT_REFS     1
  21 #define DECORATE_FULL_REFS      2
  22
  23 struct rev_info;
  24 struct log_info;
  25 struct string_list;
  26
  27 struct rev_cmdline_info {
  28         unsigned int nr;
  29         unsigned int alloc;
  30         struct rev_cmdline_entry {
  31                 struct object *item;
  32                 const char *name;
  33                 enum {
  34                         REV_CMD_REF,
  35                         REV_CMD_PARENTS_ONLY,
  36                         REV_CMD_LEFT,
  37                         REV_CMD_RIGHT,
  38                         REV_CMD_REV
  39                 } whence;
  40                 unsigned flags;
  41         } *rev;
  42 };
  43
  44 struct rev_info {
  45         /* Starting list */
  46         struct commit_list *commits;
  47         struct object_array pending;
  48
  49         /* Parents of shown commits */
  50         struct object_array boundary_commits;
  51
  52         /* The end-points specified by the end user */
  53         struct rev_cmdline_info cmdline;
  54
  55         /* Basic information */
  56         const char *prefix;
  57         const char *def;
  58         struct pathspec prune_data;
  59         unsigned int    early_output:1,
  60                         ignore_missing:1;
  61
  62         /* Traversal flags */
  63         unsigned int    dense:1,
  64                         prune:1,
  65                         no_walk:1,
  66                         show_all:1,
  67                         remove_empty_trees:1,
  68                         simplify_history:1,
  69                         lifo:1,
  70                         topo_order:1,
  71                         simplify_merges:1,
  72                         simplify_by_decoration:1,
  73                         tag_objects:1,
  74                         tree_objects:1,
  75                         blob_objects:1,
  76                         edge_hint:1,
  77                         limited:1,
  78                         unpacked:1,
  79                         boundary:2,
  80                         count:1,
  81                         left_right:1,
  82                         left_only:1,
  83                         right_only:1,
  84                         rewrite_parents:1,
  85                         print_parents:1,
  86                         show_source:1,
  87                         show_decorations:1,
  88                         reverse:1,
  89                         reverse_output_stage:1,
  90                         cherry_pick:1,
  91                         cherry_mark:1,
  92                         bisect:1,
  93                         ancestry_path:1,
  94                         first_parent_only:1;
  95
  96         /* Diff flags */
  97         unsigned int    diff:1,
  98                         full_diff:1,
  99                         show_root_diff:1,
 100                         no_commit_id:1,
 101                         verbose_header:1,
 102                         ignore_merges:1,
 103                         combine_merges:1,
 104                         dense_combined_merges:1,
 105                         always_show_header:1;
 106
 107         /* Format info */
 108         unsigned int    shown_one:1,
 109                         show_merge:1,
 110                         show_notes:1,
 111                         show_notes_given:1,
 112                         pretty_given:1,
 113                         abbrev_commit:1,
 114                         abbrev_commit_given:1,
 115                         use_terminator:1,
 116                         missing_newline:1,
 117                         date_mode_explicit:1,
 118                         preserve_subject:1;
 119         unsigned int    disable_stdin:1;
 120
 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         int min_parents;
 151         int max_parents;
 152
 153         /* diff info for patches and for paths limiting */
 154         struct diff_options diffopt;
 155         struct diff_options pruning;
 156
 157         struct reflog_walk_info *reflog_info;
 158         struct decoration children;
 159         struct decoration merge_simplification;
 160
 161         /* notes-specific options: which refs to show */
 162         struct display_notes_opt notes_opt;
 163
 164         /* commit counts */
 165         int count_left;
 166         int count_right;
 167         int count_same;
 168 };
 169
 170 #define REV_TREE_SAME           0
 171 #define REV_TREE_NEW            1       /* Only new files */
 172 #define REV_TREE_OLD            2       /* Only files removed */
 173 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
 174
 175 /* revision.c */
 176 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 177 extern volatile show_early_output_fn_t show_early_output;
 178
 179 struct setup_revision_opt {
 180         const char *def;
 181         void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 182         const char *submodule;
 183 };
 184
 185 extern void init_revisions(struct rev_info *revs, const char *prefix);
 186 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 187 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 188                                  const struct option *options,
 189                                  const char * const usagestr[]);
 190 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 191
 192 extern int prepare_revision_walk(struct rev_info *revs);
 193 extern struct commit *get_revision(struct rev_info *revs);
 194 extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
 195 extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
 196
 197 extern void mark_parents_uninteresting(struct commit *commit);
 198 extern void mark_tree_uninteresting(struct tree *tree);
 199
 200 struct name_path {
 201         struct name_path *up;
 202         int elem_len;
 203         const char *elem;
 204 };
 205
 206 char *path_name(const struct name_path *path, const char *name);
 207
 208 extern void add_object(struct object *obj,
 209                        struct object_array *p,
 210                        struct name_path *path,
 211                        const char *name);
 212
 213 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 214
 215 extern void add_head_to_pending(struct rev_info *);
 216
 217 enum commit_action {
 218         commit_ignore,
 219         commit_show,
 220         commit_error
 221 };
 222
 223 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 224 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 225
 226 #endif