Move print_commit_list to libgit.a
[git/git.git] / builtin / rev-list.c
CommitLineData
64745109
LT
1#include "cache.h"
2#include "commit.h"
c4e05b1a 3#include "diff.h"
ae563542 4#include "revision.h"
c64ed70d 5#include "list-objects.h"
5fb61b8d 6#include "builtin.h"
50e62a8e 7#include "log-tree.h"
7fefda5c 8#include "graph.h"
a2ad79ce 9#include "bisect.h"
8906300f 10
a6f68d47 11static const char rev_list_usage[] =
1b1dd23f 12"git rev-list [OPTION] <commit-id>... [ -- paths... ]\n"
69e0c256 13" limiting output:\n"
62b4698e
ŠN
14" --max-count=<n>\n"
15" --max-age=<epoch>\n"
16" --min-age=<epoch>\n"
69e0c256
JH
17" --sparse\n"
18" --no-merges\n"
ad5aeede
MG
19" --min-parents=<n>\n"
20" --no-min-parents\n"
21" --max-parents=<n>\n"
22" --no-max-parents\n"
93b74bca 23" --remove-empty\n"
69e0c256 24" --all\n"
a5aa930d
UKK
25" --branches\n"
26" --tags\n"
27" --remotes\n"
42cabc34 28" --stdin\n"
27350891 29" --quiet\n"
69e0c256 30" ordering output:\n"
69e0c256 31" --topo-order\n"
4c8725f1 32" --date-order\n"
7ccd3667 33" --reverse\n"
69e0c256
JH
34" formatting output:\n"
35" --parents\n"
72276a3e 36" --children\n"
c6496575 37" --objects | --objects-edge\n"
69e0c256
JH
38" --unpacked\n"
39" --header | --pretty\n"
62b4698e 40" --abbrev=<n> | --no-abbrev\n"
5c51c985 41" --abbrev-commit\n"
b24bace5 42" --left-right\n"
69e0c256 43" special purpose:\n"
457f08a0 44" --bisect\n"
50e62a8e
CC
45" --bisect-vars\n"
46" --bisect-all"
69e0c256 47;
a6f68d47 48
11c211fa
CC
49static void finish_commit(struct commit *commit, void *data);
50static void show_commit(struct commit *commit, void *data)
81f2bb1f 51{
d797257e
CC
52 struct rev_list_info *info = data;
53 struct rev_info *revs = info->revs;
11c211fa 54
98993722
NTND
55 if (info->flags & REV_LIST_QUIET) {
56 finish_commit(commit, data);
57 return;
58 }
59
11c211fa 60 graph_show_commit(revs->graph);
7fefda5c 61
f69c5018 62 if (revs->count) {
b388e14b
MG
63 if (commit->object.flags & PATCHSAME)
64 revs->count_same++;
65 else if (commit->object.flags & SYMMETRIC_LEFT)
f69c5018
TR
66 revs->count_left++;
67 else
68 revs->count_right++;
69 finish_commit(commit, data);
70 return;
71 }
72
d797257e 73 if (info->show_timestamp)
dc68c4ff 74 printf("%lu ", commit->date);
d797257e
CC
75 if (info->header_prefix)
76 fputs(info->header_prefix, stdout);
7528f27d 77
1df2d656
MG
78 if (!revs->graph)
79 fputs(get_revision_mark(revs, commit), stdout);
11c211fa
CC
80 if (revs->abbrev_commit && revs->abbrev)
81 fputs(find_unique_abbrev(commit->object.sha1, revs->abbrev),
7594c4b2 82 stdout);
5c51c985
JH
83 else
84 fputs(sha1_to_hex(commit->object.sha1), stdout);
11c211fa 85 if (revs->print_parents) {
81f2bb1f
LT
86 struct commit_list *parents = commit->parents;
87 while (parents) {
1ed84157 88 printf(" %s", sha1_to_hex(parents->item->object.sha1));
81f2bb1f
LT
89 parents = parents->next;
90 }
91 }
11c211fa 92 if (revs->children.name) {
72276a3e
JH
93 struct commit_list *children;
94
11c211fa 95 children = lookup_decoration(&revs->children, &commit->object);
72276a3e
JH
96 while (children) {
97 printf(" %s", sha1_to_hex(children->item->object.sha1));
98 children = children->next;
99 }
100 }
11c211fa
CC
101 show_decorations(revs, commit);
102 if (revs->commit_format == CMIT_FMT_ONELINE)
d87449c5
JH
103 putchar(' ');
104 else
105 putchar('\n');
106
11c211fa 107 if (revs->verbose_header && commit->buffer) {
f285a2d7 108 struct strbuf buf = STRBUF_INIT;
dd2e794a
TR
109 struct pretty_print_context ctx = {0};
110 ctx.abbrev = revs->abbrev;
111 ctx.date_mode = revs->date_mode;
f026c756 112 ctx.date_mode_explicit = revs->date_mode_explicit;
6bf13944
JK
113 ctx.fmt = revs->commit_format;
114 pretty_print_commit(&ctx, commit, &buf);
11c211fa 115 if (revs->graph) {
7fefda5c 116 if (buf.len) {
11c211fa
CC
117 if (revs->commit_format != CMIT_FMT_ONELINE)
118 graph_show_oneline(revs->graph);
7fefda5c 119
11c211fa 120 graph_show_commit_msg(revs->graph, &buf);
7fefda5c
AS
121
122 /*
123 * Add a newline after the commit message.
124 *
125 * Usually, this newline produces a blank
126 * padding line between entries, in which case
127 * we need to add graph padding on this line.
128 *
129 * However, the commit message may not end in a
130 * newline. In this case the newline simply
131 * ends the last line of the commit message,
132 * and we don't need any graph output. (This
133 * always happens with CMIT_FMT_ONELINE, and it
134 * happens with CMIT_FMT_USERFORMAT when the
135 * format doesn't explicitly end in a newline.)
136 */
137 if (buf.len && buf.buf[buf.len - 1] == '\n')
11c211fa 138 graph_show_padding(revs->graph);
7fefda5c
AS
139 putchar('\n');
140 } else {
141 /*
142 * If the message buffer is empty, just show
143 * the rest of the graph output for this
144 * commit.
145 */
11c211fa 146 if (graph_show_remainder(revs->graph))
7fefda5c 147 putchar('\n');
1fb5fdd2
EFL
148 if (revs->commit_format == CMIT_FMT_ONELINE)
149 putchar('\n');
7fefda5c
AS
150 }
151 } else {
1fb5fdd2 152 if (revs->commit_format != CMIT_FMT_USERFORMAT ||
9130ac9f
JK
153 buf.len) {
154 fwrite(buf.buf, 1, buf.len, stdout);
155 putchar(info->hdr_termination);
156 }
7fefda5c 157 }
674d1727 158 strbuf_release(&buf);
7fefda5c 159 } else {
11c211fa 160 if (graph_show_remainder(revs->graph))
7fefda5c 161 putchar('\n');
7620d39f 162 }
06f59e9f 163 maybe_flush_or_die(stdout, "stdout");
11c211fa 164 finish_commit(commit, data);
27350891
SP
165}
166
11c211fa 167static void finish_commit(struct commit *commit, void *data)
27350891 168{
cb115748
LT
169 if (commit->parents) {
170 free_commit_list(commit->parents);
171 commit->parents = NULL;
172 }
4cac42b1
JH
173 free(commit->buffer);
174 commit->buffer = NULL;
a3437b8c
JS
175}
176
49473672
JH
177static void finish_object(struct object *obj,
178 const struct name_path *path, const char *name,
179 void *cb_data)
27350891 180{
98993722 181 struct rev_list_info *info = cb_data;
8d2dfc49
LT
182 if (obj->type == OBJ_BLOB && !has_sha1_file(obj->sha1))
183 die("missing blob object '%s'", sha1_to_hex(obj->sha1));
98993722
NTND
184 if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
185 parse_object(obj->sha1);
27350891
SP
186}
187
49473672
JH
188static void show_object(struct object *obj,
189 const struct name_path *path, const char *component,
190 void *cb_data)
9de48752 191{
cb8da705 192 struct rev_list_info *info = cb_data;
49473672 193 finish_object(obj, path, component, cb_data);
98993722
NTND
194 if (info->flags & REV_LIST_QUIET)
195 return;
91f17516 196 show_object_with_name(stdout, obj, path, component);
9de48752
LT
197}
198
8d1d8f83
JH
199static void show_edge(struct commit *commit)
200{
201 printf("-%s\n", sha1_to_hex(commit->object.sha1));
202}
203
38ef7507 204static void print_var_str(const char *var, const char *val)
280e65cb 205{
38ef7507 206 printf("%s='%s'\n", var, val);
280e65cb
CC
207}
208
38ef7507 209static void print_var_int(const char *var, int val)
280e65cb 210{
38ef7507 211 printf("%s=%d\n", var, val);
280e65cb
CC
212}
213
f1c92c63 214static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
9996983c 215{
98993722 216 int cnt, flags = info->flags;
280e65cb 217 char hex[41] = "";
95188648 218 struct commit_list *tried;
d797257e 219 struct rev_info *revs = info->revs;
9996983c 220
8ba8fe04 221 if (!revs->commits)
9996983c
CC
222 return 1;
223
9af3589e
CC
224 revs->commits = filter_skipped(revs->commits, &tried,
225 flags & BISECT_SHOW_ALL,
226 NULL, NULL);
95188648 227
9996983c 228 /*
7428d754 229 * revs->commits can reach "reaches" commits among
9996983c
CC
230 * "all" commits. If it is good, then there are
231 * (all-reaches) commits left to be bisected.
232 * On the other hand, if it is bad, then the set
233 * to bisect is "reaches".
234 * A bisect set of size N has (N-1) commits further
235 * to test, as we already know one bad one.
236 */
237 cnt = all - reaches;
238 if (cnt < reaches)
239 cnt = reaches;
6a17fad7 240
95188648
CC
241 if (revs->commits)
242 strcpy(hex, sha1_to_hex(revs->commits->item->object.sha1));
9996983c 243
37c4c38d 244 if (flags & BISECT_SHOW_ALL) {
d797257e 245 traverse_commit_list(revs, show_commit, show_object, info);
9996983c
CC
246 printf("------\n");
247 }
248
38ef7507
CC
249 print_var_str("bisect_rev", hex);
250 print_var_int("bisect_nr", cnt - 1);
251 print_var_int("bisect_good", all - reaches - 1);
252 print_var_int("bisect_bad", reaches - 1);
253 print_var_int("bisect_all", all);
254 print_var_int("bisect_steps", estimate_bisect_steps(all));
9996983c
CC
255
256 return 0;
257}
258
a633fca0 259int cmd_rev_list(int argc, const char **argv, const char *prefix)
64745109 260{
11c211fa 261 struct rev_info revs;
d797257e 262 struct rev_list_info info;
d9a83684 263 int i;
ff62d732 264 int bisect_list = 0;
457f08a0 265 int bisect_show_vars = 0;
50e62a8e 266 int bisect_find_all = 0;
64745109 267
ef90d6d4 268 git_config(git_default_config, NULL);
a633fca0 269 init_revisions(&revs, prefix);
7337b138 270 revs.abbrev = DEFAULT_ABBREV;
7594c4b2 271 revs.commit_format = CMIT_FMT_UNSPECIFIED;
a4a88b2b 272 argc = setup_revisions(argc, argv, &revs, NULL);
ae563542 273
d797257e
CC
274 memset(&info, 0, sizeof(info));
275 info.revs = &revs;
ad3f9a71
LT
276 if (revs.bisect)
277 bisect_list = 1;
d797257e 278
98993722
NTND
279 if (DIFF_OPT_TST(&revs.diffopt, QUICK))
280 info.flags |= REV_LIST_QUIET;
fcfda02b 281 for (i = 1 ; i < argc; i++) {
cf484544 282 const char *arg = argv[i];
fcfda02b 283
a6f68d47 284 if (!strcmp(arg, "--header")) {
7594c4b2 285 revs.verbose_header = 1;
9d97aa64
LT
286 continue;
287 }
dc68c4ff 288 if (!strcmp(arg, "--timestamp")) {
d797257e 289 info.show_timestamp = 1;
dc68c4ff
JH
290 continue;
291 }
8b3a1e05
LT
292 if (!strcmp(arg, "--bisect")) {
293 bisect_list = 1;
294 continue;
295 }
50e62a8e
CC
296 if (!strcmp(arg, "--bisect-all")) {
297 bisect_list = 1;
298 bisect_find_all = 1;
98993722 299 info.flags |= BISECT_SHOW_ALL;
6e46cc0d 300 revs.show_decorations = 1;
50e62a8e
CC
301 continue;
302 }
457f08a0
JH
303 if (!strcmp(arg, "--bisect-vars")) {
304 bisect_list = 1;
305 bisect_show_vars = 1;
306 continue;
307 }
ae563542 308 usage(rev_list_usage);
a6f68d47 309
fcfda02b 310 }
7594c4b2
JH
311 if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
312 /* The command line has a --pretty */
d797257e 313 info.hdr_termination = '\n';
7594c4b2 314 if (revs.commit_format == CMIT_FMT_ONELINE)
d797257e 315 info.header_prefix = "";
7594c4b2 316 else
d797257e 317 info.header_prefix = "commit ";
7594c4b2 318 }
db89665f
JH
319 else if (revs.verbose_header)
320 /* Only --header was specified */
321 revs.commit_format = CMIT_FMT_RAW;
fcfda02b 322
d797257e 323 if ((!revs.commits &&
8c1f0b44 324 (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
1f1e895f 325 !revs.pending.nr)) ||
8c1f0b44 326 revs.diff)
7b34c2fa
LT
327 usage(rev_list_usage);
328
80235ba7
JH
329 save_commit_buffer = (revs.verbose_header ||
330 revs.grep_filter.pattern_list ||
331 revs.grep_filter.header_list);
4e1dc640
JH
332 if (bisect_list)
333 revs.limited = 1;
9181ca2c 334
3d51e1b5
MK
335 if (prepare_revision_walk(&revs))
336 die("revision walk setup failed");
a4a88b2b 337 if (revs.tree_objects)
8d1d8f83 338 mark_edges_uninteresting(revs.commits, &revs, show_edge);
a4a88b2b 339
457f08a0
JH
340 if (bisect_list) {
341 int reaches = reaches, all = all;
342
50e62a8e
CC
343 revs.commits = find_bisection(revs.commits, &reaches, &all,
344 bisect_find_all);
95188648 345
9996983c 346 if (bisect_show_vars)
13858e57 347 return show_bisect_vars(&info, reaches, all);
457f08a0 348 }
7b34c2fa 349
98993722 350 traverse_commit_list(&revs, show_commit, show_object, &info);
8906300f 351
f69c5018 352 if (revs.count) {
b388e14b
MG
353 if (revs.left_right && revs.cherry_mark)
354 printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
355 else if (revs.left_right)
f69c5018 356 printf("%d\t%d\n", revs.count_left, revs.count_right);
b388e14b
MG
357 else if (revs.cherry_mark)
358 printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
f69c5018
TR
359 else
360 printf("%d\n", revs.count_left + revs.count_right);
361 }
362
64745109
LT
363 return 0;
364}