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