t8001/t8002: blame: add tests of -L line numbers less than 1
[git.git] / revision.h
blob95859ba119033ba17346c701493df1474eec5df2
1 #ifndef REVISION_H
2 #define REVISION_H
4 #include "parse-options.h"
5 #include "grep.h"
6 #include "notes.h"
7 #include "commit.h"
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)
22 #define DECORATE_SHORT_REFS 1
23 #define DECORATE_FULL_REFS 2
25 struct rev_info;
26 struct log_info;
27 struct string_list;
29 struct 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;
47 #define REVISION_WALK_WALK 0
48 #define REVISION_WALK_NO_WALK_SORTED 1
49 #define REVISION_WALK_NO_WALK_UNSORTED 2
51 struct rev_info {
52 /* Starting list */
53 struct commit_list *commits;
54 struct object_array pending;
56 /* Parents of shown commits */
57 struct object_array boundary_commits;
59 /* The end-points specified by the end user */
60 struct rev_cmdline_info cmdline;
62 /* Basic information */
63 const char *prefix;
64 const char *def;
65 struct pathspec prune_data;
67 /* topo-sort */
68 enum rev_sort_order sort_order;
70 unsigned int early_output:1,
71 ignore_missing:1;
73 /* Traversal flags */
74 unsigned int dense:1,
75 prune:1,
76 no_walk:2,
77 show_all:1,
78 remove_empty_trees:1,
79 simplify_history:1,
80 topo_order:1,
81 simplify_merges:1,
82 simplify_by_decoration:1,
83 tag_objects:1,
84 tree_objects:1,
85 blob_objects:1,
86 verify_objects:1,
87 edge_hint:1,
88 limited:1,
89 unpacked:1,
90 boundary:2,
91 count:1,
92 left_right:1,
93 left_only:1,
94 right_only:1,
95 rewrite_parents:1,
96 print_parents:1,
97 show_source:1,
98 show_decorations:1,
99 reverse:1,
100 reverse_output_stage:1,
101 cherry_pick:1,
102 cherry_mark:1,
103 bisect:1,
104 ancestry_path:1,
105 first_parent_only:1,
106 line_level_traverse:1;
108 /* Diff flags */
109 unsigned int diff:1,
110 full_diff:1,
111 show_root_diff:1,
112 no_commit_id:1,
113 verbose_header:1,
114 ignore_merges:1,
115 combine_merges:1,
116 dense_combined_merges:1,
117 always_show_header:1;
119 /* Format info */
120 unsigned int shown_one:1,
121 shown_dashes:1,
122 show_merge:1,
123 show_notes:1,
124 show_notes_given:1,
125 show_signature:1,
126 pretty_given:1,
127 abbrev_commit:1,
128 abbrev_commit_given:1,
129 use_terminator:1,
130 missing_newline:1,
131 date_mode_explicit:1,
132 preserve_subject:1;
133 unsigned int disable_stdin:1;
134 unsigned int leak_pending:1;
136 enum date_mode date_mode;
138 unsigned int abbrev;
139 enum cmit_fmt commit_format;
140 struct log_info *loginfo;
141 int nr, total;
142 const char *mime_boundary;
143 const char *patch_suffix;
144 int numbered_files;
145 int reroll_count;
146 char *message_id;
147 struct ident_split from_ident;
148 struct string_list *ref_message_ids;
149 int add_signoff;
150 const char *extra_headers;
151 const char *log_reencode;
152 const char *subject_prefix;
153 int no_inline;
154 int show_log_size;
155 struct string_list *mailmap;
157 /* Filter by commit log message */
158 struct grep_opt grep_filter;
160 /* Display history graph */
161 struct git_graph *graph;
163 /* special limits */
164 int skip_count;
165 int max_count;
166 unsigned long max_age;
167 unsigned long min_age;
168 int min_parents;
169 int max_parents;
171 /* diff info for patches and for paths limiting */
172 struct diff_options diffopt;
173 struct diff_options pruning;
175 struct reflog_walk_info *reflog_info;
176 struct decoration children;
177 struct decoration merge_simplification;
178 struct decoration treesame;
180 /* notes-specific options: which refs to show */
181 struct display_notes_opt notes_opt;
183 /* commit counts */
184 int count_left;
185 int count_right;
186 int count_same;
188 /* line level range that we are chasing */
189 struct decoration line_log_data;
192 #define REV_TREE_SAME 0
193 #define REV_TREE_NEW 1 /* Only new files */
194 #define REV_TREE_OLD 2 /* Only files removed */
195 #define REV_TREE_DIFFERENT 3 /* Mixed changes */
197 /* revision.c */
198 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
199 extern volatile show_early_output_fn_t show_early_output;
201 struct setup_revision_opt {
202 const char *def;
203 void (*tweak)(struct rev_info *, struct setup_revision_opt *);
204 const char *submodule;
205 int assume_dashdash;
206 unsigned revarg_opt;
209 extern void init_revisions(struct rev_info *revs, const char *prefix);
210 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs,
211 struct setup_revision_opt *);
212 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
213 const struct option *options,
214 const char * const usagestr[]);
215 #define REVARG_CANNOT_BE_FILENAME 01
216 #define REVARG_COMMITTISH 02
217 extern int handle_revision_arg(const char *arg, struct rev_info *revs,
218 int flags, unsigned revarg_opt);
220 extern void reset_revision_walk(void);
221 extern int prepare_revision_walk(struct rev_info *revs);
222 extern struct commit *get_revision(struct rev_info *revs);
223 extern char *get_revision_mark(const struct rev_info *revs,
224 const struct commit *commit);
225 extern void put_revision_mark(const struct rev_info *revs,
226 const struct commit *commit);
228 extern void mark_parents_uninteresting(struct commit *commit);
229 extern void mark_tree_uninteresting(struct tree *tree);
231 struct name_path {
232 struct name_path *up;
233 int elem_len;
234 const char *elem;
237 char *path_name(const struct name_path *path, const char *name);
239 extern void show_object_with_name(FILE *, struct object *,
240 const struct name_path *, const char *);
242 extern void add_object(struct object *obj,
243 struct object_array *p,
244 struct name_path *path,
245 const char *name);
247 extern void add_pending_object(struct rev_info *revs,
248 struct object *obj, const char *name);
249 extern void add_pending_sha1(struct rev_info *revs,
250 const char *name, const unsigned char *sha1,
251 unsigned int flags);
253 extern void add_head_to_pending(struct rev_info *);
255 enum commit_action {
256 commit_ignore,
257 commit_show,
258 commit_error
261 extern enum commit_action get_commit_action(struct rev_info *revs,
262 struct commit *commit);
263 extern enum commit_action simplify_commit(struct rev_info *revs,
264 struct commit *commit);
266 enum rewrite_result {
267 rewrite_one_ok,
268 rewrite_one_noparents,
269 rewrite_one_error
272 typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp);
274 extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
275 rewrite_parent_fn_t rewrite_parent);
276 #endif