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_cmdline_info {
  27         unsigned int nr;
  28         unsigned int alloc;
  29         struct rev_cmdline_entry {
  30                 struct object *item;
  31                 const char *name;
  32                 enum {
  33                         REV_CMD_REF,
  34                         REV_CMD_PARENTS_ONLY,
  35                         REV_CMD_LEFT,
  36                         REV_CMD_RIGHT,
  37                         REV_CMD_REV
  38                 } whence;
  39                 unsigned flags;
  40         } *rev;
  41 };
  42
  43 struct rev_info {
  44         /* Starting list */
  45         struct commit_list *commits;
  46         struct object_array pending;
  47
  48         /* Parents of shown commits */
  49         struct object_array boundary_commits;
  50
  51         /* The end-points specified by the end user */
  52         struct rev_cmdline_info cmdline;
  53
  54         /* Basic information */
  55         const char *prefix;
  56         const char *def;
  57         void *prune_data;
  58         unsigned int early_output;
  59
  60         /* Traversal flags */
  61         unsigned int    dense:1,
  62                         prune:1,
  63                         no_merges:1,
  64                         merges_only: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                         left_right:1,
  81                         rewrite_parents:1,
  82                         print_parents:1,
  83                         show_source:1,
  84                         show_decorations:1,
  85                         reverse:1,
  86                         reverse_output_stage:1,
  87                         cherry_pick:1,
  88                         bisect:1,
  89                         ancestry_path:1,
  90                         first_parent_only:1;
  91
  92         /* Diff flags */
  93         unsigned int    diff:1,
  94                         full_diff:1,
  95                         show_root_diff:1,
  96                         no_commit_id:1,
  97                         verbose_header:1,
  98                         ignore_merges:1,
  99                         combine_merges:1,
 100                         dense_combined_merges:1,
 101                         always_show_header:1;
 102
 103         /* Format info */
 104         unsigned int    shown_one:1,
 105                         show_merge:1,
 106                         show_notes:1,
 107                         show_notes_given:1,
 108                         pretty_given:1,
 109                         abbrev_commit:1,
 110                         use_terminator:1,
 111                         missing_newline:1,
 112                         date_mode_explicit:1;
 113         unsigned int    disable_stdin:1;
 114
 115         enum date_mode date_mode;
 116
 117         unsigned int    abbrev;
 118         enum cmit_fmt   commit_format;
 119         struct log_info *loginfo;
 120         int             nr, total;
 121         const char      *mime_boundary;
 122         const char      *patch_suffix;
 123         int             numbered_files;
 124         char            *message_id;
 125         struct string_list *ref_message_ids;
 126         const char      *add_signoff;
 127         const char      *extra_headers;
 128         const char      *log_reencode;
 129         const char      *subject_prefix;
 130         int             no_inline;
 131         int             show_log_size;
 132
 133         /* Filter by commit log message */
 134         struct grep_opt grep_filter;
 135
 136         /* Display history graph */
 137         struct git_graph *graph;
 138
 139         /* special limits */
 140         int skip_count;
 141         int max_count;
 142         unsigned long max_age;
 143         unsigned long min_age;
 144
 145         /* diff info for patches and for paths limiting */
 146         struct diff_options diffopt;
 147         struct diff_options pruning;
 148
 149         struct reflog_walk_info *reflog_info;
 150         struct decoration children;
 151         struct decoration merge_simplification;
 152
 153         /* notes-specific options: which refs to show */
 154         struct display_notes_opt notes_opt;
 155 };
 156
 157 #define REV_TREE_SAME           0
 158 #define REV_TREE_NEW            1       /* Only new files */
 159 #define REV_TREE_OLD            2       /* Only files removed */
 160 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
 161
 162 /* revision.c */
 163 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 164 extern volatile show_early_output_fn_t show_early_output;
 165
 166 struct setup_revision_opt {
 167         const char *def;
 168         void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 169 };
 170
 171 extern void init_revisions(struct rev_info *revs, const char *prefix);
 172 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 173 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 174                                  const struct option *options,
 175                                  const char * const usagestr[]);
 176 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 177
 178 extern int prepare_revision_walk(struct rev_info *revs);
 179 extern struct commit *get_revision(struct rev_info *revs);
 180
 181 extern void mark_parents_uninteresting(struct commit *commit);
 182 extern void mark_tree_uninteresting(struct tree *tree);
 183
 184 struct name_path {
 185         struct name_path *up;
 186         int elem_len;
 187         const char *elem;
 188 };
 189
 190 char *path_name(const struct name_path *path, const char *name);
 191
 192 extern void add_object(struct object *obj,
 193                        struct object_array *p,
 194                        struct name_path *path,
 195                        const char *name);
 196
 197 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 198
 199 extern void add_head_to_pending(struct rev_info *);
 200
 201 enum commit_action {
 202         commit_ignore,
 203         commit_show,
 204         commit_error
 205 };
 206
 207 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 208 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 209
 210 #endif