t6019: demonstrate --ancestry-path A...B breakage
[git/git.git] / revision.h
... / ...
CommitLineData
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 PATCHSAME (1u<<9)
18#define ALL_REV_FLAGS ((1u<<10)-1)
19
20#define DECORATE_SHORT_REFS 1
21#define DECORATE_FULL_REFS 2
22
23struct rev_info;
24struct log_info;
25struct string_list;
26
27struct rev_cmdline_info {
28 unsigned int nr;
29 unsigned int alloc;
30 struct rev_cmdline_entry {
31 struct object *item;
32 const char *name;
33 enum {
34 REV_CMD_REF,
35 REV_CMD_PARENTS_ONLY,
36 REV_CMD_LEFT,
37 REV_CMD_RIGHT,
38 REV_CMD_REV
39 } whence;
40 unsigned flags;
41 } *rev;
42};
43
44#define REVISION_WALK_WALK 0
45#define REVISION_WALK_NO_WALK_SORTED 1
46#define REVISION_WALK_NO_WALK_UNSORTED 2
47
48struct rev_info {
49 /* Starting list */
50 struct commit_list *commits;
51 struct object_array pending;
52
53 /* Parents of shown commits */
54 struct object_array boundary_commits;
55
56 /* The end-points specified by the end user */
57 struct rev_cmdline_info cmdline;
58
59 /* Basic information */
60 const char *prefix;
61 const char *def;
62 struct pathspec prune_data;
63 unsigned int early_output:1,
64 ignore_missing:1;
65
66 /* Traversal flags */
67 unsigned int dense:1,
68 prune:1,
69 no_walk:2,
70 show_all:1,
71 remove_empty_trees:1,
72 simplify_history:1,
73 lifo:1,
74 topo_order:1,
75 simplify_merges:1,
76 simplify_by_decoration:1,
77 tag_objects:1,
78 tree_objects:1,
79 blob_objects:1,
80 verify_objects:1,
81 edge_hint:1,
82 limited:1,
83 unpacked:1,
84 boundary:2,
85 count:1,
86 left_right:1,
87 left_only:1,
88 right_only:1,
89 rewrite_parents:1,
90 print_parents:1,
91 show_source:1,
92 show_decorations:1,
93 reverse:1,
94 reverse_output_stage:1,
95 cherry_pick:1,
96 cherry_mark:1,
97 bisect:1,
98 ancestry_path:1,
99 first_parent_only:1;
100
101 /* Diff flags */
102 unsigned int diff:1,
103 full_diff:1,
104 show_root_diff:1,
105 no_commit_id:1,
106 verbose_header:1,
107 ignore_merges:1,
108 combine_merges:1,
109 dense_combined_merges:1,
110 always_show_header:1;
111
112 /* Format info */
113 unsigned int shown_one:1,
114 shown_dashes:1,
115 show_merge:1,
116 show_notes:1,
117 show_notes_given:1,
118 show_signature:1,
119 pretty_given:1,
120 abbrev_commit:1,
121 abbrev_commit_given:1,
122 use_terminator:1,
123 missing_newline:1,
124 date_mode_explicit:1,
125 preserve_subject:1;
126 unsigned int disable_stdin:1;
127 unsigned int leak_pending:1;
128
129 enum date_mode date_mode;
130
131 unsigned int abbrev;
132 enum cmit_fmt commit_format;
133 struct log_info *loginfo;
134 int nr, total;
135 const char *mime_boundary;
136 const char *patch_suffix;
137 int numbered_files;
138 int reroll_count;
139 char *message_id;
140 struct string_list *ref_message_ids;
141 int add_signoff;
142 const char *extra_headers;
143 const char *log_reencode;
144 const char *subject_prefix;
145 int no_inline;
146 int show_log_size;
147 struct string_list *mailmap;
148
149 /* Filter by commit log message */
150 struct grep_opt grep_filter;
151
152 /* Display history graph */
153 struct git_graph *graph;
154
155 /* special limits */
156 int skip_count;
157 int max_count;
158 unsigned long max_age;
159 unsigned long min_age;
160 int min_parents;
161 int max_parents;
162
163 /* diff info for patches and for paths limiting */
164 struct diff_options diffopt;
165 struct diff_options pruning;
166
167 struct reflog_walk_info *reflog_info;
168 struct decoration children;
169 struct decoration merge_simplification;
170
171 /* notes-specific options: which refs to show */
172 struct display_notes_opt notes_opt;
173
174 /* commit counts */
175 int count_left;
176 int count_right;
177 int count_same;
178};
179
180#define REV_TREE_SAME 0
181#define REV_TREE_NEW 1 /* Only new files */
182#define REV_TREE_OLD 2 /* Only files removed */
183#define REV_TREE_DIFFERENT 3 /* Mixed changes */
184
185/* revision.c */
186typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
187extern volatile show_early_output_fn_t show_early_output;
188
189struct setup_revision_opt {
190 const char *def;
191 void (*tweak)(struct rev_info *, struct setup_revision_opt *);
192 const char *submodule;
193 int assume_dashdash;
194 unsigned revarg_opt;
195};
196
197extern void init_revisions(struct rev_info *revs, const char *prefix);
198extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
199extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
200 const struct option *options,
201 const char * const usagestr[]);
202#define REVARG_CANNOT_BE_FILENAME 01
203#define REVARG_COMMITTISH 02
204extern int handle_revision_arg(const char *arg, struct rev_info *revs, int flags, unsigned revarg_opt);
205
206extern void reset_revision_walk(void);
207extern int prepare_revision_walk(struct rev_info *revs);
208extern struct commit *get_revision(struct rev_info *revs);
209extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
210extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
211
212extern void mark_parents_uninteresting(struct commit *commit);
213extern void mark_tree_uninteresting(struct tree *tree);
214
215struct name_path {
216 struct name_path *up;
217 int elem_len;
218 const char *elem;
219};
220
221char *path_name(const struct name_path *path, const char *name);
222
223extern void show_object_with_name(FILE *, struct object *, const struct name_path *, const char *);
224
225extern void add_object(struct object *obj,
226 struct object_array *p,
227 struct name_path *path,
228 const char *name);
229
230extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
231extern void add_pending_sha1(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags);
232
233extern void add_head_to_pending(struct rev_info *);
234
235enum commit_action {
236 commit_ignore,
237 commit_show,
238 commit_error
239};
240
241extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
242extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
243
244#endif