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 ALL_REV_FLAGS   ((1u<<9)-1)
  17
  18 #define DECORATE_SHORT_REFS     1
  19 #define DECORATE_FULL_REFS      2
  20
  21 struct rev_info;
  22 struct log_info;
  23
  24 struct rev_info {
  25         /* Starting list */
  26         struct commit_list *commits;
  27         struct object_array pending;
  28
  29         /* Parents of shown commits */
  30         struct object_array boundary_commits;
  31
  32         /* Basic information */
  33         const char *prefix;
  34         const char *def;
  35         void *prune_data;
  36         unsigned int early_output;
  37
  38         /* Traversal flags */
  39         unsigned int    dense:1,
  40                         prune:1,
  41                         no_merges:1,
  42                         merges_only:1,
  43                         no_walk:1,
  44                         show_all:1,
  45                         remove_empty_trees:1,
  46                         simplify_history:1,
  47                         lifo:1,
  48                         topo_order:1,
  49                         simplify_merges:1,
  50                         simplify_by_decoration:1,
  51                         tag_objects:1,
  52                         tree_objects:1,
  53                         blob_objects:1,
  54                         edge_hint:1,
  55                         limited:1,
  56                         unpacked:1,
  57                         boundary:2,
  58                         left_right:1,
  59                         rewrite_parents:1,
  60                         print_parents:1,
  61                         show_source:1,
  62                         show_decorations:1,
  63                         reverse:1,
  64                         reverse_output_stage:1,
  65                         cherry_pick:1,
  66                         first_parent_only:1;
  67
  68         /* Diff flags */
  69         unsigned int    diff:1,
  70                         full_diff:1,
  71                         show_root_diff:1,
  72                         no_commit_id:1,
  73                         verbose_header:1,
  74                         ignore_merges:1,
  75                         combine_merges:1,
  76                         dense_combined_merges:1,
  77                         always_show_header:1;
  78
  79         /* Format info */
  80         unsigned int    shown_one:1,
  81                         show_merge:1,
  82                         abbrev_commit:1,
  83                         use_terminator:1,
  84                         missing_newline:1;
  85         enum date_mode date_mode;
  86
  87         unsigned int    abbrev;
  88         enum cmit_fmt   commit_format;
  89         struct log_info *loginfo;
  90         int             nr, total;
  91         const char      *mime_boundary;
  92         const char      *patch_suffix;
  93         int             numbered_files;
  94         char            *message_id;
  95         struct string_list *ref_message_ids;
  96         const char      *add_signoff;
  97         const char      *extra_headers;
  98         const char      *log_reencode;
  99         const char      *subject_prefix;
 100         int             no_inline;
 101         int             show_log_size;
 102
 103         /* Filter by commit log message */
 104         struct grep_opt grep_filter;
 105
 106         /* Display history graph */
 107         struct git_graph *graph;
 108
 109         /* special limits */
 110         int skip_count;
 111         int max_count;
 112         unsigned long max_age;
 113         unsigned long min_age;
 114
 115         /* diff info for patches and for paths limiting */
 116         struct diff_options diffopt;
 117         struct diff_options pruning;
 118
 119         struct reflog_walk_info *reflog_info;
 120         struct decoration children;
 121         struct decoration merge_simplification;
 122 };
 123
 124 #define REV_TREE_SAME           0
 125 #define REV_TREE_NEW            1       /* Only new files */
 126 #define REV_TREE_OLD            2       /* Only files removed */
 127 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
 128
 129 /* revision.c */
 130 void read_revisions_from_stdin(struct rev_info *revs);
 131
 132 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 133 extern volatile show_early_output_fn_t show_early_output;
 134
 135 extern void init_revisions(struct rev_info *revs, const char *prefix);
 136 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 137 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 138                                  const struct option *options,
 139                                  const char * const usagestr[]);
 140 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 141
 142 extern int prepare_revision_walk(struct rev_info *revs);
 143 extern struct commit *get_revision(struct rev_info *revs);
 144
 145 extern void mark_parents_uninteresting(struct commit *commit);
 146 extern void mark_tree_uninteresting(struct tree *tree);
 147
 148 struct name_path {
 149         struct name_path *up;
 150         int elem_len;
 151         const char *elem;
 152 };
 153
 154 char *path_name(const struct name_path *path, const char *name);
 155
 156 extern void add_object(struct object *obj,
 157                        struct object_array *p,
 158                        struct name_path *path,
 159                        const char *name);
 160
 161 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 162
 163 extern void add_head_to_pending(struct rev_info *);
 164
 165 enum commit_action {
 166         commit_ignore,
 167         commit_show,
 168         commit_error
 169 };
 170
 171 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 172 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 173
 174 #endif