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  1. #ifndef REVISION_H
  2. #define REVISION_H
  3. #include "commit.h"
  4. #include "parse-options.h"
  5. #include "grep.h"
  6. #include "notes.h"
  7. #include "pretty.h"
  8. #include "diff.h"
  9. #include "commit-slab-decl.h"
  10. /* Remember to update object flag allocation in object.h */
  11. #define SEEN (1u<<0)
  12. #define UNINTERESTING (1u<<1)
  13. #define TREESAME (1u<<2)
  14. #define SHOWN (1u<<3)
  15. #define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
  16. #define BOUNDARY (1u<<5)
  17. #define CHILD_SHOWN (1u<<6)
  18. #define ADDED (1u<<7) /* Parents already parsed and added? */
  19. #define SYMMETRIC_LEFT (1u<<8)
  20. #define PATCHSAME (1u<<9)
  21. #define BOTTOM (1u<<10)
  22. /*
  23. * Indicates object was reached by traversal. i.e. not given by user on
  24. * command-line or stdin.
  25. * NEEDSWORK: NOT_USER_GIVEN doesn't apply to commits because we only support
  26. * filtering trees and blobs, but it may be useful to support filtering commits
  27. * in the future.
  28. */
  29. #define NOT_USER_GIVEN (1u<<25)
  30. #define TRACK_LINEAR (1u<<26)
  31. #define ALL_REV_FLAGS (((1u<<11)-1) | NOT_USER_GIVEN | TRACK_LINEAR)
  32. #define TOPO_WALK_EXPLORED (1u<<27)
  33. #define TOPO_WALK_INDEGREE (1u<<28)
  34. #define DECORATE_SHORT_REFS 1
  35. #define DECORATE_FULL_REFS 2
  36. struct log_info;
  37. struct repository;
  38. struct rev_info;
  39. struct string_list;
  40. struct saved_parents;
  41. define_shared_commit_slab(revision_sources, char *);
  42. struct rev_cmdline_info {
  43. unsigned int nr;
  44. unsigned int alloc;
  45. struct rev_cmdline_entry {
  46. struct object *item;
  47. const char *name;
  48. enum {
  49. REV_CMD_REF,
  50. REV_CMD_PARENTS_ONLY,
  51. REV_CMD_LEFT,
  52. REV_CMD_RIGHT,
  53. REV_CMD_MERGE_BASE,
  54. REV_CMD_REV
  55. } whence;
  56. unsigned flags;
  57. } *rev;
  58. };
  59. #define REVISION_WALK_WALK 0
  60. #define REVISION_WALK_NO_WALK_SORTED 1
  61. #define REVISION_WALK_NO_WALK_UNSORTED 2
  62. struct oidset;
  63. struct topo_walk_info;
  64. struct rev_info {
  65. /* Starting list */
  66. struct commit_list *commits;
  67. struct object_array pending;
  68. struct repository *repo;
  69. /* Parents of shown commits */
  70. struct object_array boundary_commits;
  71. /* The end-points specified by the end user */
  72. struct rev_cmdline_info cmdline;
  73. /* excluding from --branches, --refs, etc. expansion */
  74. struct string_list *ref_excludes;
  75. /* Basic information */
  76. const char *prefix;
  77. const char *def;
  78. struct pathspec prune_data;
  79. /*
  80. * Whether the arguments parsed by setup_revisions() included any
  81. * "input" revisions that might still have yielded an empty pending
  82. * list (e.g., patterns like "--all" or "--glob").
  83. */
  84. int rev_input_given;
  85. /*
  86. * Whether we read from stdin due to the --stdin option.
  87. */
  88. int read_from_stdin;
  89. /* topo-sort */
  90. enum rev_sort_order sort_order;
  91. unsigned int early_output;
  92. unsigned int ignore_missing:1,
  93. ignore_missing_links:1;
  94. /* Traversal flags */
  95. unsigned int dense:1,
  96. prune:1,
  97. no_walk:2,
  98. remove_empty_trees:1,
  99. simplify_history:1,
  100. topo_order:1,
  101. simplify_merges:1,
  102. simplify_by_decoration:1,
  103. single_worktree:1,
  104. tag_objects:1,
  105. tree_objects:1,
  106. blob_objects:1,
  107. verify_objects:1,
  108. edge_hint:1,
  109. edge_hint_aggressive:1,
  110. limited:1,
  111. unpacked:1,
  112. boundary:2,
  113. count:1,
  114. left_right:1,
  115. left_only:1,
  116. right_only:1,
  117. rewrite_parents:1,
  118. print_parents:1,
  119. show_decorations:1,
  120. reverse:1,
  121. reverse_output_stage:1,
  122. cherry_pick:1,
  123. cherry_mark:1,
  124. bisect:1,
  125. ancestry_path:1,
  126. first_parent_only:1,
  127. line_level_traverse:1,
  128. tree_blobs_in_commit_order:1,
  129. /*
  130. * Blobs are shown without regard for their existence.
  131. * But not so for trees: unless exclude_promisor_objects
  132. * is set and the tree in question is a promisor object;
  133. * OR ignore_missing_links is set, the revision walker
  134. * dies with a "bad tree object HASH" message when
  135. * encountering a missing tree. For callers that can
  136. * handle missing trees and want them to be filterable
  137. * and showable, set this to true. The revision walker
  138. * will filter and show such a missing tree as usual,
  139. * but will not attempt to recurse into this tree
  140. * object.
  141. */
  142. do_not_die_on_missing_tree:1,
  143. /* for internal use only */
  144. exclude_promisor_objects:1;
  145. /* Diff flags */
  146. unsigned int diff:1,
  147. full_diff:1,
  148. show_root_diff:1,
  149. no_commit_id:1,
  150. verbose_header:1,
  151. ignore_merges:1,
  152. combine_merges:1,
  153. combined_all_paths:1,
  154. dense_combined_merges:1,
  155. always_show_header:1;
  156. /* Format info */
  157. unsigned int shown_one:1,
  158. shown_dashes:1,
  159. show_merge:1,
  160. show_notes:1,
  161. show_notes_given:1,
  162. show_signature:1,
  163. pretty_given:1,
  164. abbrev_commit:1,
  165. abbrev_commit_given:1,
  166. zero_commit:1,
  167. use_terminator:1,
  168. missing_newline:1,
  169. date_mode_explicit:1,
  170. preserve_subject:1;
  171. unsigned int disable_stdin:1;
  172. /* --show-linear-break */
  173. unsigned int track_linear:1,
  174. track_first_time:1,
  175. linear:1;
  176. struct date_mode date_mode;
  177. int expand_tabs_in_log; /* unset if negative */
  178. int expand_tabs_in_log_default;
  179. unsigned int abbrev;
  180. enum cmit_fmt commit_format;
  181. struct log_info *loginfo;
  182. int nr, total;
  183. const char *mime_boundary;
  184. const char *patch_suffix;
  185. int numbered_files;
  186. int reroll_count;
  187. char *message_id;
  188. struct ident_split from_ident;
  189. struct string_list *ref_message_ids;
  190. int add_signoff;
  191. const char *extra_headers;
  192. const char *log_reencode;
  193. const char *subject_prefix;
  194. int no_inline;
  195. int show_log_size;
  196. struct string_list *mailmap;
  197. /* Filter by commit log message */
  198. struct grep_opt grep_filter;
  199. /* Negate the match of grep_filter */
  200. int invert_grep;
  201. /* Display history graph */
  202. struct git_graph *graph;
  203. /* special limits */
  204. int skip_count;
  205. int max_count;
  206. timestamp_t max_age;
  207. timestamp_t min_age;
  208. int min_parents;
  209. int max_parents;
  210. int (*include_check)(struct commit *, void *);
  211. void *include_check_data;
  212. /* diff info for patches and for paths limiting */
  213. struct diff_options diffopt;
  214. struct diff_options pruning;
  215. struct reflog_walk_info *reflog_info;
  216. struct decoration children;
  217. struct decoration merge_simplification;
  218. struct decoration treesame;
  219. /* notes-specific options: which refs to show */
  220. struct display_notes_opt notes_opt;
  221. /* interdiff */
  222. const struct object_id *idiff_oid1;
  223. const struct object_id *idiff_oid2;
  224. const char *idiff_title;
  225. /* range-diff */
  226. const char *rdiff1;
  227. const char *rdiff2;
  228. int creation_factor;
  229. const char *rdiff_title;
  230. /* commit counts */
  231. int count_left;
  232. int count_right;
  233. int count_same;
  234. /* line level range that we are chasing */
  235. struct decoration line_log_data;
  236. /* copies of the parent lists, for --full-diff display */
  237. struct saved_parents *saved_parents_slab;
  238. struct commit_list *previous_parents;
  239. const char *break_bar;
  240. struct revision_sources *sources;
  241. struct topo_walk_info *topo_walk_info;
  242. };
  243. int ref_excluded(struct string_list *, const char *path);
  244. void clear_ref_exclusion(struct string_list **);
  245. void add_ref_exclusion(struct string_list **, const char *exclude);
  246. #define REV_TREE_SAME 0
  247. #define REV_TREE_NEW 1 /* Only new files */
  248. #define REV_TREE_OLD 2 /* Only files removed */
  249. #define REV_TREE_DIFFERENT 3 /* Mixed changes */
  250. /* revision.c */
  251. typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
  252. extern volatile show_early_output_fn_t show_early_output;
  253. struct setup_revision_opt {
  254. const char *def;
  255. void (*tweak)(struct rev_info *, struct setup_revision_opt *);
  256. const char *submodule; /* TODO: drop this and use rev_info->repo */
  257. unsigned int assume_dashdash:1,
  258. allow_exclude_promisor_objects:1;
  259. unsigned revarg_opt;
  260. };
  261. #ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
  262. #define init_revisions(revs, prefix) repo_init_revisions(the_repository, revs, prefix)
  263. #endif
  264. void repo_init_revisions(struct repository *r,
  265. struct rev_info *revs,
  266. const char *prefix);
  267. int setup_revisions(int argc, const char **argv, struct rev_info *revs,
  268. struct setup_revision_opt *);
  269. void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
  270. const struct option *options,
  271. const char * const usagestr[]);
  272. #define REVARG_CANNOT_BE_FILENAME 01
  273. #define REVARG_COMMITTISH 02
  274. int handle_revision_arg(const char *arg, struct rev_info *revs,
  275. int flags, unsigned revarg_opt);
  276. void reset_revision_walk(void);
  277. int prepare_revision_walk(struct rev_info *revs);
  278. struct commit *get_revision(struct rev_info *revs);
  279. char *get_revision_mark(const struct rev_info *revs,
  280. const struct commit *commit);
  281. void put_revision_mark(const struct rev_info *revs,
  282. const struct commit *commit);
  283. void mark_parents_uninteresting(struct commit *commit);
  284. void mark_tree_uninteresting(struct repository *r, struct tree *tree);
  285. void mark_trees_uninteresting_sparse(struct repository *r, struct oidset *trees);
  286. void show_object_with_name(FILE *, struct object *, const char *);
  287. void add_pending_object(struct rev_info *revs,
  288. struct object *obj, const char *name);
  289. void add_pending_oid(struct rev_info *revs,
  290. const char *name, const struct object_id *oid,
  291. unsigned int flags);
  292. void add_head_to_pending(struct rev_info *);
  293. void add_reflogs_to_pending(struct rev_info *, unsigned int flags);
  294. void add_index_objects_to_pending(struct rev_info *, unsigned int flags);
  295. enum commit_action {
  296. commit_ignore,
  297. commit_show,
  298. commit_error
  299. };
  300. enum commit_action get_commit_action(struct rev_info *revs,
  301. struct commit *commit);
  302. enum commit_action simplify_commit(struct rev_info *revs,
  303. struct commit *commit);
  304. enum rewrite_result {
  305. rewrite_one_ok,
  306. rewrite_one_noparents,
  307. rewrite_one_error
  308. };
  309. typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp);
  310. int rewrite_parents(struct rev_info *revs,
  311. struct commit *commit,
  312. rewrite_parent_fn_t rewrite_parent);
  313. /*
  314. * The log machinery saves the original parent list so that
  315. * get_saved_parents() can later tell what the real parents of the
  316. * commits are, when commit->parents has been modified by history
  317. * simpification.
  318. *
  319. * get_saved_parents() will transparently return commit->parents if
  320. * history simplification is off.
  321. */
  322. struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit);
  323. #endif