1#ifndef REVISION_H
2#define REVISION_H
3
4#include "parse-options.h"
5#include "grep.h"
6#include "notes.h"
7#include "commit.h"
8
9#define SEEN (1u<<0)
10#define UNINTERESTING (1u<<1)
11#define TREESAME (1u<<2)
12#define SHOWN (1u<<3)
13#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
14#define BOUNDARY (1u<<5)
15#define CHILD_SHOWN (1u<<6)
16#define ADDED (1u<<7) /* Parents already parsed and added? */
17#define SYMMETRIC_LEFT (1u<<8)
18#define PATCHSAME (1u<<9)
19#define BOTTOM (1u<<10)
20#define ALL_REV_FLAGS ((1u<<11)-1)
21
22#define DECORATE_SHORT_REFS 1
23#define DECORATE_FULL_REFS 2
24
25struct rev_info;
26struct log_info;
27struct string_list;
28
29struct rev_cmdline_info {
30 unsigned int nr;
31 unsigned int alloc;
32 struct rev_cmdline_entry {
33 struct object *item;
34 const char *name;
35 enum {
36 REV_CMD_REF,
37 REV_CMD_PARENTS_ONLY,
38 REV_CMD_LEFT,
39 REV_CMD_RIGHT,
40 REV_CMD_MERGE_BASE,
41 REV_CMD_REV
42 } whence;
43 unsigned flags;
44 } *rev;
45};
46
47#define REVISION_WALK_WALK 0
48#define REVISION_WALK_NO_WALK_SORTED 1
49#define REVISION_WALK_NO_WALK_UNSORTED 2
50
51struct rev_info {
52 /* Starting list */
53 struct commit_list *commits;
54 struct object_array pending;
55
56 /* Parents of shown commits */
57 struct object_array boundary_commits;
58
59 /* The end-points specified by the end user */
60 struct rev_cmdline_info cmdline;
61
62 /* excluding from --branches, --refs, etc. expansion */
63 struct string_list *ref_excludes;
64
65 /* Basic information */
66 const char *prefix;
67 const char *def;
68 struct pathspec prune_data;
69
70 /* topo-sort */
71 enum rev_sort_order sort_order;
72
73 unsigned int early_output:1,
74 ignore_missing:1;
75
76 /* Traversal flags */
77 unsigned int dense:1,
78 prune:1,
79 no_walk:2,
80 show_all:1,
81 remove_empty_trees:1,
82 simplify_history:1,
83 topo_order:1,
84 simplify_merges:1,
85 simplify_by_decoration:1,
86 tag_objects:1,
87 tree_objects:1,
88 blob_objects:1,
89 verify_objects:1,
90 edge_hint:1,
91 limited:1,
92 unpacked:1,
93 boundary:2,
94 count:1,
95 left_right:1,
96 left_only:1,
97 right_only:1,
98 rewrite_parents:1,
99 print_parents:1,
100 show_source:1,
101 show_decorations:1,
102 reverse:1,
103 reverse_output_stage:1,
104 cherry_pick:1,
105 cherry_mark:1,
106 bisect:1,
107 ancestry_path:1,
108 first_parent_only:1,
109 line_level_traverse:1;
110
111 /* Diff flags */
112 unsigned int diff:1,
113 full_diff:1,
114 show_root_diff:1,
115 no_commit_id:1,
116 verbose_header:1,
117 ignore_merges:1,
118 combine_merges:1,
119 dense_combined_merges:1,
120 always_show_header:1;
121
122 /* Format info */
123 unsigned int shown_one:1,
124 shown_dashes:1,
125 show_merge:1,
126 show_notes:1,
127 show_notes_given:1,
128 show_signature:1,
129 pretty_given:1,
130 abbrev_commit:1,
131 abbrev_commit_given:1,
132 use_terminator:1,
133 missing_newline:1,
134 date_mode_explicit:1,
135 preserve_subject:1;
136 unsigned int disable_stdin:1;
137 unsigned int leak_pending:1;
138
139 enum date_mode date_mode;
140
141 unsigned int abbrev;
142 enum cmit_fmt commit_format;
143 struct log_info *loginfo;
144 int nr, total;
145 const char *mime_boundary;
146 const char *patch_suffix;
147 int numbered_files;
148 int reroll_count;
149 char *message_id;
150 struct ident_split from_ident;
151 struct string_list *ref_message_ids;
152 int add_signoff;
153 const char *extra_headers;
154 const char *log_reencode;
155 const char *subject_prefix;
156 int no_inline;
157 int show_log_size;
158 struct string_list *mailmap;
159
160 /* Filter by commit log message */
161 struct grep_opt grep_filter;
162
163 /* Display history graph */
164 struct git_graph *graph;
165
166 /* special limits */
167 int skip_count;
168 int max_count;
169 unsigned long max_age;
170 unsigned long min_age;
171 int min_parents;
172 int max_parents;
173
174 /* diff info for patches and for paths limiting */
175 struct diff_options diffopt;
176 struct diff_options pruning;
177
178 struct reflog_walk_info *reflog_info;
179 struct decoration children;
180 struct decoration merge_simplification;
181 struct decoration treesame;
182
183 /* notes-specific options: which refs to show */
184 struct display_notes_opt notes_opt;
185
186 /* commit counts */
187 int count_left;
188 int count_right;
189 int count_same;
190
191 /* line level range that we are chasing */
192 struct decoration line_log_data;
193};
194
195extern int ref_excluded(struct string_list *, const char *path);
196void clear_ref_exclusion(struct string_list **);
197void add_ref_exclusion(struct string_list **, const char *exclude);
198
199
200#define REV_TREE_SAME 0
201#define REV_TREE_NEW 1 /* Only new files */
202#define REV_TREE_OLD 2 /* Only files removed */
203#define REV_TREE_DIFFERENT 3 /* Mixed changes */
204
205/* revision.c */
206typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
207extern volatile show_early_output_fn_t show_early_output;
208
209struct setup_revision_opt {
210 const char *def;
211 void (*tweak)(struct rev_info *, struct setup_revision_opt *);
212 const char *submodule;
213 int assume_dashdash;
214 unsigned revarg_opt;
215};
216
217extern void init_revisions(struct rev_info *revs, const char *prefix);
218extern int setup_revisions(int argc, const char **argv, struct rev_info *revs,
219 struct setup_revision_opt *);
220extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
221 const struct option *options,
222 const char * const usagestr[]);
223#define REVARG_CANNOT_BE_FILENAME 01
224#define REVARG_COMMITTISH 02
225extern int handle_revision_arg(const char *arg, struct rev_info *revs,
226 int flags, unsigned revarg_opt);
227
228extern void reset_revision_walk(void);
229extern int prepare_revision_walk(struct rev_info *revs);
230extern struct commit *get_revision(struct rev_info *revs);
231extern char *get_revision_mark(const struct rev_info *revs,
232 const struct commit *commit);
233extern void put_revision_mark(const struct rev_info *revs,
234 const struct commit *commit);
235
236extern void mark_parents_uninteresting(struct commit *commit);
237extern void mark_tree_uninteresting(struct tree *tree);
238
239struct name_path {
240 struct name_path *up;
241 int elem_len;
242 const char *elem;
243};
244
245char *path_name(const struct name_path *path, const char *name);
246
247extern void show_object_with_name(FILE *, struct object *,
248 const struct name_path *, const char *);
249
250extern void add_object(struct object *obj,
251 struct object_array *p,
252 struct name_path *path,
253 const char *name);
254
255extern void add_pending_object(struct rev_info *revs,
256 struct object *obj, const char *name);
257extern void add_pending_sha1(struct rev_info *revs,
258 const char *name, const unsigned char *sha1,
259 unsigned int flags);
260
261extern void add_head_to_pending(struct rev_info *);
262
263enum commit_action {
264 commit_ignore,
265 commit_show,
266 commit_error
267};
268
269extern enum commit_action get_commit_action(struct rev_info *revs,
270 struct commit *commit);
271extern enum commit_action simplify_commit(struct rev_info *revs,
272 struct commit *commit);
273
274enum rewrite_result {
275 rewrite_one_ok,
276 rewrite_one_noparents,
277 rewrite_one_error
278};
279
280typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp);
281
282extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
283 rewrite_parent_fn_t rewrite_parent);
284#endif