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1 | #ifndef REVISION_H | |
2 | #define REVISION_H | |
3 | ||
4 | #include "commit.h" | |
5 | #include "parse-options.h" | |
6 | #include "grep.h" | |
7 | #include "notes.h" | |
8 | #include "pretty.h" | |
9 | #include "diff.h" | |
10 | #include "commit-slab-decl.h" | |
11 | ||
12 | /* Remember to update object flag allocation in object.h */ | |
13 | #define SEEN (1u<<0) | |
14 | #define UNINTERESTING (1u<<1) | |
15 | #define TREESAME (1u<<2) | |
16 | #define SHOWN (1u<<3) | |
17 | #define TMP_MARK (1u<<4) /* for isolated cases; clean after use */ | |
18 | #define BOUNDARY (1u<<5) | |
19 | #define CHILD_SHOWN (1u<<6) | |
20 | #define ADDED (1u<<7) /* Parents already parsed and added? */ | |
21 | #define SYMMETRIC_LEFT (1u<<8) | |
22 | #define PATCHSAME (1u<<9) | |
23 | #define BOTTOM (1u<<10) | |
24 | /* | |
25 | * Indicates object was reached by traversal. i.e. not given by user on | |
26 | * command-line or stdin. | |
27 | * NEEDSWORK: NOT_USER_GIVEN doesn't apply to commits because we only support | |
28 | * filtering trees and blobs, but it may be useful to support filtering commits | |
29 | * in the future. | |
30 | */ | |
31 | #define NOT_USER_GIVEN (1u<<25) | |
32 | #define TRACK_LINEAR (1u<<26) | |
33 | #define ALL_REV_FLAGS (((1u<<11)-1) | NOT_USER_GIVEN | TRACK_LINEAR) | |
34 | ||
35 | #define TOPO_WALK_EXPLORED (1u<<27) | |
36 | #define TOPO_WALK_INDEGREE (1u<<28) | |
37 | ||
38 | #define DECORATE_SHORT_REFS 1 | |
39 | #define DECORATE_FULL_REFS 2 | |
40 | ||
41 | struct log_info; | |
42 | struct repository; | |
43 | struct rev_info; | |
44 | struct string_list; | |
45 | struct saved_parents; | |
46 | define_shared_commit_slab(revision_sources, char *); | |
47 | ||
48 | struct rev_cmdline_info { | |
49 | unsigned int nr; | |
50 | unsigned int alloc; | |
51 | struct rev_cmdline_entry { | |
52 | struct object *item; | |
53 | const char *name; | |
54 | enum { | |
55 | REV_CMD_REF, | |
56 | REV_CMD_PARENTS_ONLY, | |
57 | REV_CMD_LEFT, | |
58 | REV_CMD_RIGHT, | |
59 | REV_CMD_MERGE_BASE, | |
60 | REV_CMD_REV | |
61 | } whence; | |
62 | unsigned flags; | |
63 | } *rev; | |
64 | }; | |
65 | ||
66 | #define REVISION_WALK_WALK 0 | |
67 | #define REVISION_WALK_NO_WALK_SORTED 1 | |
68 | #define REVISION_WALK_NO_WALK_UNSORTED 2 | |
69 | ||
70 | struct oidset; | |
71 | struct topo_walk_info; | |
72 | ||
73 | struct rev_info { | |
74 | /* Starting list */ | |
75 | struct commit_list *commits; | |
76 | struct object_array pending; | |
77 | struct repository *repo; | |
78 | ||
79 | /* Parents of shown commits */ | |
80 | struct object_array boundary_commits; | |
81 | ||
82 | /* The end-points specified by the end user */ | |
83 | struct rev_cmdline_info cmdline; | |
84 | ||
85 | /* excluding from --branches, --refs, etc. expansion */ | |
86 | struct string_list *ref_excludes; | |
87 | ||
88 | /* Basic information */ | |
89 | const char *prefix; | |
90 | const char *def; | |
91 | struct pathspec prune_data; | |
92 | ||
93 | /* | |
94 | * Whether the arguments parsed by setup_revisions() included any | |
95 | * "input" revisions that might still have yielded an empty pending | |
96 | * list (e.g., patterns like "--all" or "--glob"). | |
97 | */ | |
98 | int rev_input_given; | |
99 | ||
100 | /* | |
101 | * Whether we read from stdin due to the --stdin option. | |
102 | */ | |
103 | int read_from_stdin; | |
104 | ||
105 | /* topo-sort */ | |
106 | enum rev_sort_order sort_order; | |
107 | ||
108 | unsigned int early_output; | |
109 | ||
110 | unsigned int ignore_missing:1, | |
111 | ignore_missing_links:1; | |
112 | ||
113 | /* Traversal flags */ | |
114 | unsigned int dense:1, | |
115 | prune:1, | |
116 | no_walk:2, | |
117 | remove_empty_trees:1, | |
118 | simplify_history:1, | |
119 | topo_order:1, | |
120 | simplify_merges:1, | |
121 | simplify_by_decoration:1, | |
122 | single_worktree:1, | |
123 | tag_objects:1, | |
124 | tree_objects:1, | |
125 | blob_objects:1, | |
126 | verify_objects:1, | |
127 | edge_hint:1, | |
128 | edge_hint_aggressive:1, | |
129 | limited:1, | |
130 | unpacked:1, | |
131 | boundary:2, | |
132 | count:1, | |
133 | left_right:1, | |
134 | left_only:1, | |
135 | right_only:1, | |
136 | rewrite_parents:1, | |
137 | print_parents:1, | |
138 | show_decorations:1, | |
139 | reverse:1, | |
140 | reverse_output_stage:1, | |
141 | cherry_pick:1, | |
142 | cherry_mark:1, | |
143 | bisect:1, | |
144 | ancestry_path:1, | |
145 | first_parent_only:1, | |
146 | line_level_traverse:1, | |
147 | tree_blobs_in_commit_order:1, | |
148 | ||
149 | /* | |
150 | * Blobs are shown without regard for their existence. | |
151 | * But not so for trees: unless exclude_promisor_objects | |
152 | * is set and the tree in question is a promisor object; | |
153 | * OR ignore_missing_links is set, the revision walker | |
154 | * dies with a "bad tree object HASH" message when | |
155 | * encountering a missing tree. For callers that can | |
156 | * handle missing trees and want them to be filterable | |
157 | * and showable, set this to true. The revision walker | |
158 | * will filter and show such a missing tree as usual, | |
159 | * but will not attempt to recurse into this tree | |
160 | * object. | |
161 | */ | |
162 | do_not_die_on_missing_tree:1, | |
163 | ||
164 | /* for internal use only */ | |
165 | exclude_promisor_objects:1; | |
166 | ||
167 | /* Diff flags */ | |
168 | unsigned int diff:1, | |
169 | full_diff:1, | |
170 | show_root_diff:1, | |
171 | no_commit_id:1, | |
172 | verbose_header:1, | |
173 | ignore_merges:1, | |
174 | combine_merges:1, | |
175 | combined_all_paths:1, | |
176 | dense_combined_merges:1, | |
177 | always_show_header:1; | |
178 | ||
179 | /* Format info */ | |
180 | unsigned int shown_one:1, | |
181 | shown_dashes:1, | |
182 | show_merge:1, | |
183 | show_notes:1, | |
184 | show_notes_given:1, | |
185 | show_signature:1, | |
186 | pretty_given:1, | |
187 | abbrev_commit:1, | |
188 | abbrev_commit_given:1, | |
189 | zero_commit:1, | |
190 | use_terminator:1, | |
191 | missing_newline:1, | |
192 | date_mode_explicit:1, | |
193 | preserve_subject:1; | |
194 | unsigned int disable_stdin:1; | |
195 | /* --show-linear-break */ | |
196 | unsigned int track_linear:1, | |
197 | track_first_time:1, | |
198 | linear:1; | |
199 | ||
200 | struct date_mode date_mode; | |
201 | int expand_tabs_in_log; /* unset if negative */ | |
202 | int expand_tabs_in_log_default; | |
203 | ||
204 | unsigned int abbrev; | |
205 | enum cmit_fmt commit_format; | |
206 | struct log_info *loginfo; | |
207 | int nr, total; | |
208 | const char *mime_boundary; | |
209 | const char *patch_suffix; | |
210 | int numbered_files; | |
211 | int reroll_count; | |
212 | char *message_id; | |
213 | struct ident_split from_ident; | |
214 | struct string_list *ref_message_ids; | |
215 | int add_signoff; | |
216 | const char *extra_headers; | |
217 | const char *log_reencode; | |
218 | const char *subject_prefix; | |
219 | int no_inline; | |
220 | int show_log_size; | |
221 | struct string_list *mailmap; | |
222 | ||
223 | /* Filter by commit log message */ | |
224 | struct grep_opt grep_filter; | |
225 | /* Negate the match of grep_filter */ | |
226 | int invert_grep; | |
227 | ||
228 | /* Display history graph */ | |
229 | struct git_graph *graph; | |
230 | ||
231 | /* special limits */ | |
232 | int skip_count; | |
233 | int max_count; | |
234 | timestamp_t max_age; | |
235 | timestamp_t min_age; | |
236 | int min_parents; | |
237 | int max_parents; | |
238 | int (*include_check)(struct commit *, void *); | |
239 | void *include_check_data; | |
240 | ||
241 | /* diff info for patches and for paths limiting */ | |
242 | struct diff_options diffopt; | |
243 | struct diff_options pruning; | |
244 | ||
245 | struct reflog_walk_info *reflog_info; | |
246 | struct decoration children; | |
247 | struct decoration merge_simplification; | |
248 | struct decoration treesame; | |
249 | ||
250 | /* notes-specific options: which refs to show */ | |
251 | struct display_notes_opt notes_opt; | |
252 | ||
253 | /* interdiff */ | |
254 | const struct object_id *idiff_oid1; | |
255 | const struct object_id *idiff_oid2; | |
256 | const char *idiff_title; | |
257 | ||
258 | /* range-diff */ | |
259 | const char *rdiff1; | |
260 | const char *rdiff2; | |
261 | int creation_factor; | |
262 | const char *rdiff_title; | |
263 | ||
264 | /* commit counts */ | |
265 | int count_left; | |
266 | int count_right; | |
267 | int count_same; | |
268 | ||
269 | /* line level range that we are chasing */ | |
270 | struct decoration line_log_data; | |
271 | ||
272 | /* copies of the parent lists, for --full-diff display */ | |
273 | struct saved_parents *saved_parents_slab; | |
274 | ||
275 | struct commit_list *previous_parents; | |
276 | const char *break_bar; | |
277 | ||
278 | struct revision_sources *sources; | |
279 | ||
280 | struct topo_walk_info *topo_walk_info; | |
281 | }; | |
282 | ||
283 | int ref_excluded(struct string_list *, const char *path); | |
284 | void clear_ref_exclusion(struct string_list **); | |
285 | void add_ref_exclusion(struct string_list **, const char *exclude); | |
286 | ||
287 | ||
288 | #define REV_TREE_SAME 0 | |
289 | #define REV_TREE_NEW 1 /* Only new files */ | |
290 | #define REV_TREE_OLD 2 /* Only files removed */ | |
291 | #define REV_TREE_DIFFERENT 3 /* Mixed changes */ | |
292 | ||
293 | /* revision.c */ | |
294 | typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *); | |
295 | extern volatile show_early_output_fn_t show_early_output; | |
296 | ||
297 | struct setup_revision_opt { | |
298 | const char *def; | |
299 | void (*tweak)(struct rev_info *, struct setup_revision_opt *); | |
300 | const char *submodule; /* TODO: drop this and use rev_info->repo */ | |
301 | unsigned int assume_dashdash:1, | |
302 | allow_exclude_promisor_objects:1; | |
303 | unsigned revarg_opt; | |
304 | }; | |
305 | ||
306 | #ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS | |
307 | #define init_revisions(revs, prefix) repo_init_revisions(the_repository, revs, prefix) | |
308 | #endif | |
309 | void repo_init_revisions(struct repository *r, | |
310 | struct rev_info *revs, | |
311 | const char *prefix); | |
312 | int setup_revisions(int argc, const char **argv, struct rev_info *revs, | |
313 | struct setup_revision_opt *); | |
314 | void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx, | |
315 | const struct option *options, | |
316 | const char * const usagestr[]); | |
317 | #define REVARG_CANNOT_BE_FILENAME 01 | |
318 | #define REVARG_COMMITTISH 02 | |
319 | int handle_revision_arg(const char *arg, struct rev_info *revs, | |
320 | int flags, unsigned revarg_opt); | |
321 | ||
322 | void reset_revision_walk(void); | |
323 | int prepare_revision_walk(struct rev_info *revs); | |
324 | struct commit *get_revision(struct rev_info *revs); | |
325 | char *get_revision_mark(const struct rev_info *revs, | |
326 | const struct commit *commit); | |
327 | void put_revision_mark(const struct rev_info *revs, | |
328 | const struct commit *commit); | |
329 | ||
330 | void mark_parents_uninteresting(struct commit *commit); | |
331 | void mark_tree_uninteresting(struct repository *r, struct tree *tree); | |
332 | void mark_trees_uninteresting_sparse(struct repository *r, struct oidset *trees); | |
333 | ||
334 | void show_object_with_name(FILE *, struct object *, const char *); | |
335 | ||
336 | void add_pending_object(struct rev_info *revs, | |
337 | struct object *obj, const char *name); | |
338 | void add_pending_oid(struct rev_info *revs, | |
339 | const char *name, const struct object_id *oid, | |
340 | unsigned int flags); | |
341 | ||
342 | void add_head_to_pending(struct rev_info *); | |
343 | void add_reflogs_to_pending(struct rev_info *, unsigned int flags); | |
344 | void add_index_objects_to_pending(struct rev_info *, unsigned int flags); | |
345 | ||
346 | enum commit_action { | |
347 | commit_ignore, | |
348 | commit_show, | |
349 | commit_error | |
350 | }; | |
351 | ||
352 | enum commit_action get_commit_action(struct rev_info *revs, | |
353 | struct commit *commit); | |
354 | enum commit_action simplify_commit(struct rev_info *revs, | |
355 | struct commit *commit); | |
356 | ||
357 | enum rewrite_result { | |
358 | rewrite_one_ok, | |
359 | rewrite_one_noparents, | |
360 | rewrite_one_error | |
361 | }; | |
362 | ||
363 | typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp); | |
364 | ||
365 | int rewrite_parents(struct rev_info *revs, | |
366 | struct commit *commit, | |
367 | rewrite_parent_fn_t rewrite_parent); | |
368 | ||
369 | /* | |
370 | * The log machinery saves the original parent list so that | |
371 | * get_saved_parents() can later tell what the real parents of the | |
372 | * commits are, when commit->parents has been modified by history | |
373 | * simpification. | |
374 | * | |
375 | * get_saved_parents() will transparently return commit->parents if | |
376 | * history simplification is off. | |
377 | */ | |
378 | struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit); | |
379 | ||
380 | #endif |