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 ALL_REV_FLAGS   ((1u<<9)-1)
  18
  19 #define DECORATE_SHORT_REFS     1
  20 #define DECORATE_FULL_REFS      2
  21
  22 struct rev_info;
  23 struct log_info;
  24 struct string_list;
  25
  26 struct rev_info {
  27         /* Starting list */
  28         struct commit_list *commits;
  29         struct object_array pending;
  30
  31         /* Parents of shown commits */
  32         struct object_array boundary_commits;
  33
  34         /* Basic information */
  35         const char *prefix;
  36         const char *def;
  37         void *prune_data;
  38         unsigned int early_output;
  39
  40         /* Traversal flags */
  41         unsigned int    dense:1,
  42                         prune:1,
  43                         no_merges:1,
  44                         merges_only: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                         rewrite_parents:1,
  63                         print_parents:1,
  64                         show_source:1,
  65                         show_decorations:1,
  66                         reverse:1,
  67                         reverse_output_stage:1,
  68                         cherry_pick:1,
  69                         bisect:1,
  70                         ancestry_path:1,
  71                         first_parent_only:1;
  72
  73         /* Diff flags */
  74         unsigned int    diff:1,
  75                         full_diff:1,
  76                         show_root_diff:1,
  77                         no_commit_id:1,
  78                         verbose_header:1,
  79                         ignore_merges:1,
  80                         combine_merges:1,
  81                         dense_combined_merges:1,
  82                         always_show_header:1;
  83
  84         /* Format info */
  85         unsigned int    shown_one:1,
  86                         show_merge:1,
  87                         show_notes:1,
  88                         show_notes_given:1,
  89                         pretty_given:1,
  90                         abbrev_commit:1,
  91                         use_terminator:1,
  92                         missing_newline:1,
  93                         date_mode_explicit:1;
  94         unsigned int    disable_stdin:1;
  95
  96         enum date_mode date_mode;
  97
  98         unsigned int    abbrev;
  99         enum cmit_fmt   commit_format;
 100         struct log_info *loginfo;
 101         int             nr, total;
 102         const char      *mime_boundary;
 103         const char      *patch_suffix;
 104         int             numbered_files;
 105         char            *message_id;
 106         struct string_list *ref_message_ids;
 107         const char      *add_signoff;
 108         const char      *extra_headers;
 109         const char      *log_reencode;
 110         const char      *subject_prefix;
 111         int             no_inline;
 112         int             show_log_size;
 113
 114         /* Filter by commit log message */
 115         struct grep_opt grep_filter;
 116
 117         /* Display history graph */
 118         struct git_graph *graph;
 119
 120         /* special limits */
 121         int skip_count;
 122         int max_count;
 123         unsigned long max_age;
 124         unsigned long min_age;
 125
 126         /* diff info for patches and for paths limiting */
 127         struct diff_options diffopt;
 128         struct diff_options pruning;
 129
 130         struct reflog_walk_info *reflog_info;
 131         struct decoration children;
 132         struct decoration merge_simplification;
 133
 134         /* notes-specific options: which refs to show */
 135         struct display_notes_opt notes_opt;
 136
 137         /* commit counts */
 138         int count_left;
 139         int count_right;
 140 };
 141
 142 #define REV_TREE_SAME           0
 143 #define REV_TREE_NEW            1       /* Only new files */
 144 #define REV_TREE_OLD            2       /* Only files removed */
 145 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
 146
 147 /* revision.c */
 148 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 149 extern volatile show_early_output_fn_t show_early_output;
 150
 151 struct setup_revision_opt {
 152         const char *def;
 153         void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 154         const char *submodule;
 155 };
 156
 157 extern void init_revisions(struct rev_info *revs, const char *prefix);
 158 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 159 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 160                                  const struct option *options,
 161                                  const char * const usagestr[]);
 162 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 163
 164 extern int prepare_revision_walk(struct rev_info *revs);
 165 extern struct commit *get_revision(struct rev_info *revs);
 166
 167 extern void mark_parents_uninteresting(struct commit *commit);
 168 extern void mark_tree_uninteresting(struct tree *tree);
 169
 170 struct name_path {
 171         struct name_path *up;
 172         int elem_len;
 173         const char *elem;
 174 };
 175
 176 char *path_name(const struct name_path *path, const char *name);
 177
 178 extern void add_object(struct object *obj,
 179                        struct object_array *p,
 180                        struct name_path *path,
 181                        const char *name);
 182
 183 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 184
 185 extern void add_head_to_pending(struct rev_info *);
 186
 187 enum commit_action {
 188         commit_ignore,
 189         commit_show,
 190         commit_error
 191 };
 192
 193 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 194 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 195
 196 #endif