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_info {
  28         /* Starting list */
  29         struct commit_list *commits;
  30         struct object_array pending;
  31
  32         /* Parents of shown commits */
  33         struct object_array boundary_commits;
  34
  35         /* Basic information */
  36         const char *prefix;
  37         const char *def;
  38         struct pathspec prune_data;
  39         unsigned int    early_output:1,
  40                         ignore_missing:1;
  41
  42         /* Traversal flags */
  43         unsigned int    dense:1,
  44                         prune:1,
  45                         no_walk:1,
  46                         show_all:1,
  47                         remove_empty_trees:1,
  48                         simplify_history:1,
  49                         lifo:1,
  50                         topo_order:1,
  51                         simplify_merges:1,
  52                         simplify_by_decoration:1,
  53                         tag_objects:1,
  54                         tree_objects:1,
  55                         blob_objects:1,
  56                         edge_hint:1,
  57                         limited:1,
  58                         unpacked:1,
  59                         boundary:2,
  60                         count:1,
  61                         left_right:1,
  62                         left_only:1,
  63                         right_only:1,
  64                         rewrite_parents:1,
  65                         print_parents:1,
  66                         show_source:1,
  67                         show_decorations:1,
  68                         reverse:1,
  69                         reverse_output_stage:1,
  70                         cherry_pick:1,
  71                         cherry_mark:1,
  72                         bisect:1,
  73                         ancestry_path:1,
  74                         first_parent_only:1;
  75
  76         /* Diff flags */
  77         unsigned int    diff:1,
  78                         full_diff:1,
  79                         show_root_diff:1,
  80                         no_commit_id:1,
  81                         verbose_header:1,
  82                         ignore_merges:1,
  83                         combine_merges:1,
  84                         dense_combined_merges:1,
  85                         always_show_header:1;
  86
  87         /* Format info */
  88         unsigned int    shown_one:1,
  89                         show_merge:1,
  90                         show_notes:1,
  91                         show_notes_given:1,
  92                         pretty_given:1,
  93                         abbrev_commit:1,
  94                         abbrev_commit_given:1,
  95                         use_terminator:1,
  96                         missing_newline:1,
  97                         date_mode_explicit:1,
  98                         preserve_subject:1;
  99         unsigned int    disable_stdin:1;
 100
 101         enum date_mode date_mode;
 102
 103         unsigned int    abbrev;
 104         enum cmit_fmt   commit_format;
 105         struct log_info *loginfo;
 106         int             nr, total;
 107         const char      *mime_boundary;
 108         const char      *patch_suffix;
 109         int             numbered_files;
 110         char            *message_id;
 111         struct string_list *ref_message_ids;
 112         const char      *add_signoff;
 113         const char      *extra_headers;
 114         const char      *log_reencode;
 115         const char      *subject_prefix;
 116         int             no_inline;
 117         int             show_log_size;
 118
 119         /* Filter by commit log message */
 120         struct grep_opt grep_filter;
 121
 122         /* Display history graph */
 123         struct git_graph *graph;
 124
 125         /* special limits */
 126         int skip_count;
 127         int max_count;
 128         unsigned long max_age;
 129         unsigned long min_age;
 130         int min_parents;
 131         int max_parents;
 132
 133         /* diff info for patches and for paths limiting */
 134         struct diff_options diffopt;
 135         struct diff_options pruning;
 136
 137         struct reflog_walk_info *reflog_info;
 138         struct decoration children;
 139         struct decoration merge_simplification;
 140
 141         /* notes-specific options: which refs to show */
 142         struct display_notes_opt notes_opt;
 143
 144         /* commit counts */
 145         int count_left;
 146         int count_right;
 147         int count_same;
 148 };
 149
 150 #define REV_TREE_SAME           0
 151 #define REV_TREE_NEW            1       /* Only new files */
 152 #define REV_TREE_OLD            2       /* Only files removed */
 153 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
 154
 155 /* revision.c */
 156 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 157 extern volatile show_early_output_fn_t show_early_output;
 158
 159 struct setup_revision_opt {
 160         const char *def;
 161         void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 162         const char *submodule;
 163 };
 164
 165 extern void init_revisions(struct rev_info *revs, const char *prefix);
 166 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 167 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 168                                  const struct option *options,
 169                                  const char * const usagestr[]);
 170 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 171
 172 extern int prepare_revision_walk(struct rev_info *revs);
 173 extern struct commit *get_revision(struct rev_info *revs);
 174 extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
 175 extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
 176
 177 extern void mark_parents_uninteresting(struct commit *commit);
 178 extern void mark_tree_uninteresting(struct tree *tree);
 179
 180 struct name_path {
 181         struct name_path *up;
 182         int elem_len;
 183         const char *elem;
 184 };
 185
 186 char *path_name(const struct name_path *path, const char *name);
 187
 188 extern void add_object(struct object *obj,
 189                        struct object_array *p,
 190                        struct name_path *path,
 191                        const char *name);
 192
 193 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 194
 195 extern void add_head_to_pending(struct rev_info *);
 196
 197 enum commit_action {
 198         commit_ignore,
 199         commit_show,
 200         commit_error
 201 };
 202
 203 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 204 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 205
 206 #endif