git.ozlabs.org Git - ccan/blob - tools/ccanlint/ccanlint.c

   1 /*
   2  * ccanlint: assorted checks and advice for a ccan package
   3  * Copyright (C) 2008 Rusty Russell, Idris Soule
   4  * Copyright (C) 2010 Rusty Russell, Idris Soule
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc., 51
  18  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20 #include "ccanlint.h"
  21 #include "../tools.h"
  22 #include <unistd.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <err.h>
  27 #include <ctype.h>
  28 #include <ccan/btree/btree.h>
  29 #include <ccan/str/str.h>
  30 #include <ccan/str_talloc/str_talloc.h>
  31 #include <ccan/talloc/talloc.h>
  32 #include <ccan/opt/opt.h>
  33 #include <ccan/foreach/foreach.h>
  34 #include <ccan/grab_file/grab_file.h>
  35 #include <ccan/cast/cast.h>
  36
  37 int verbose = 0;
  38 static LIST_HEAD(compulsory_tests);
  39 static LIST_HEAD(normal_tests);
  40 static LIST_HEAD(finished_tests);
  41 bool safe_mode = false;
  42 static struct btree *cmdline_exclude;
  43 static struct btree *info_exclude;
  44 static unsigned int timeout;
  45
  46 /* These are overridden at runtime if we can find config.h */
  47 const char *compiler = NULL;
  48 const char *cflags = NULL;
  49
  50 const char *config_header;
  51
  52 #if 0
  53 static void indent_print(const char *string)
  54 {
  55         while (*string) {
  56                 unsigned int line = strcspn(string, "\n");
  57                 printf("\t%.*s", line, string);
  58                 if (string[line] == '\n') {
  59                         printf("\n");
  60                         line++;
  61                 }
  62                 string += line;
  63         }
  64 }
  65 #endif
  66
  67 bool ask(const char *question)
  68 {
  69         char reply[80];
  70
  71         printf("%s ", question);
  72         fflush(stdout);
  73
  74         return fgets(reply, sizeof(reply), stdin) != NULL
  75                 && toupper(reply[0]) == 'Y';
  76 }
  77
  78 static const char *should_skip(struct manifest *m, struct ccanlint *i)
  79 {
  80         if (btree_lookup(cmdline_exclude, i->key))
  81                 return "excluded on command line";
  82
  83         if (btree_lookup(info_exclude, i->key))
  84                 return "excluded in _info file";
  85
  86         if (i->skip)
  87                 return i->skip;
  88
  89         if (i->skip_fail)
  90                 return "dependency failed";
  91
  92         if (i->can_run)
  93                 return i->can_run(m);
  94         return NULL;
  95 }
  96
  97 static bool run_test(struct ccanlint *i,
  98                      bool quiet,
  99                      unsigned int *running_score,
 100                      unsigned int *running_total,
 101                      struct manifest *m)
 102 {
 103         unsigned int timeleft;
 104         const struct dependent *d;
 105         const char *skip;
 106         struct score *score;
 107
 108         //one less test to run through
 109         list_for_each(&i->dependencies, d, node)
 110                 d->dependent->num_depends--;
 111
 112         score = talloc(m, struct score);
 113         list_head_init(&score->per_file_errors);
 114         score->error = NULL;
 115         score->pass = false;
 116         score->score = 0;
 117         score->total = 1;
 118
 119         skip = should_skip(m, i);
 120
 121         if (skip) {
 122         skip:
 123                 if (verbose && !streq(skip, "not relevant to target"))
 124                         printf("%s: skipped (%s)\n", i->name, skip);
 125
 126                 /* If we're skipping this because a prereq failed, we fail:
 127                  * count it as a score of 1. */
 128                 if (i->skip_fail)
 129                         (*running_total)++;
 130
 131                 list_del(&i->list);
 132                 list_add_tail(&finished_tests, &i->list);
 133                 list_for_each(&i->dependencies, d, node) {
 134                         if (d->dependent->skip)
 135                                 continue;
 136                         d->dependent->skip = "dependency was skipped";
 137                         d->dependent->skip_fail = i->skip_fail;
 138                 }
 139                 return i->skip_fail ? false : true;
 140         }
 141
 142         timeleft = timeout ? timeout : default_timeout_ms;
 143         i->check(m, i->keep_results, &timeleft, score);
 144         if (timeout && timeleft == 0) {
 145                 skip = "timeout";
 146                 goto skip;
 147         }
 148
 149         assert(score->score <= score->total);
 150         if ((!score->pass && !quiet)
 151             || (score->score < score->total && verbose)
 152             || verbose > 1) {
 153                 printf("%s (%s): %s", i->name, i->key, score->pass ? "PASS" : "FAIL");
 154                 if (score->total > 1)
 155                         printf(" (+%u/%u)", score->score, score->total);
 156                 printf("\n");
 157         }
 158
 159         if ((!quiet && !score->pass) || verbose) {
 160                 if (score->error) {
 161                         printf("%s%s", score->error,
 162                                strends(score->error, "\n") ? "" : "\n");
 163                 }
 164         }
 165         if (!quiet && score->score < score->total && i->handle)
 166                 i->handle(m, score);
 167
 168         *running_score += score->score;
 169         *running_total += score->total;
 170
 171         list_del(&i->list);
 172         list_add_tail(&finished_tests, &i->list);
 173
 174         if (!score->pass) {
 175                 /* Skip any tests which depend on this one. */
 176                 list_for_each(&i->dependencies, d, node) {
 177                         if (d->dependent->skip)
 178                                 continue;
 179                         d->dependent->skip = "dependency failed";
 180                         d->dependent->skip_fail = true;
 181                 }
 182         }
 183         return score->pass;
 184 }
 185
 186 static void register_test(struct list_head *h, struct ccanlint *test)
 187 {
 188         list_add(h, &test->list);
 189         test->options = talloc_array(NULL, char *, 1);
 190         test->options[0] = NULL;
 191 }
 192
 193 /**
 194  * get_next_test - retrieves the next test to be processed
 195  **/
 196 static inline struct ccanlint *get_next_test(struct list_head *test)
 197 {
 198         struct ccanlint *i;
 199
 200         if (list_empty(test))
 201                 return NULL;
 202
 203         list_for_each(test, i, list) {
 204                 if (i->num_depends == 0)
 205                         return i;
 206         }
 207         errx(1, "Can't make process; test dependency cycle");
 208 }
 209
 210 static struct ccanlint *find_test(const char *key)
 211 {
 212         struct ccanlint *i;
 213
 214         list_for_each(&compulsory_tests, i, list)
 215                 if (streq(i->key, key))
 216                         return i;
 217
 218         list_for_each(&normal_tests, i, list)
 219                 if (streq(i->key, key))
 220                         return i;
 221
 222         return NULL;
 223 }
 224
 225 #undef REGISTER_TEST
 226 #define REGISTER_TEST(name, ...) extern struct ccanlint name
 227 #include "generated-normal-tests"
 228 #include "generated-compulsory-tests"
 229
 230 static void init_tests(void)
 231 {
 232         struct ccanlint *c;
 233         struct btree *keys, *names;
 234         struct list_head *list;
 235
 236 #undef REGISTER_TEST
 237 #define REGISTER_TEST(name) register_test(&normal_tests, &name)
 238 #include "generated-normal-tests"
 239 #undef REGISTER_TEST
 240 #define REGISTER_TEST(name) register_test(&compulsory_tests, &name)
 241 #include "generated-compulsory-tests"
 242
 243         /* Initialize dependency lists. */
 244         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 245                 list_for_each(list, c, list) {
 246                         list_head_init(&c->dependencies);
 247                 }
 248         }
 249
 250         /* Resolve dependencies. */
 251         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 252                 list_for_each(list, c, list) {
 253                         char **deps = strsplit(NULL, c->needs, " ");
 254                         unsigned int i;
 255
 256                         for (i = 0; deps[i]; i++) {
 257                                 struct ccanlint *dep;
 258                                 struct dependent *dchild;
 259
 260                                 dep = find_test(deps[i]);
 261                                 if (!dep)
 262                                         errx(1, "BUG: unknown dep '%s' for %s",
 263                                              deps[i], c->key);
 264                                 dchild = talloc(NULL, struct dependent);
 265                                 dchild->dependent = c;
 266                                 list_add_tail(&dep->dependencies,
 267                                               &dchild->node);
 268                                 c->num_depends++;
 269                         }
 270                         talloc_free(deps);
 271                 }
 272         }
 273
 274         /* Self-consistency check: make sure no two tests
 275            have the same key or name. */
 276         keys = btree_new(btree_strcmp);
 277         names = btree_new(btree_strcmp);
 278         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 279                 list_for_each(list, c, list) {
 280                         if (!btree_insert(keys, c->key))
 281                                 errx(1, "BUG: Duplicate test key '%s'",
 282                                      c->key);
 283                         if (!btree_insert(names, c->name))
 284                                 errx(1, "BUG: Duplicate test name '%s'",
 285                                      c->name);
 286                 }
 287         }
 288         btree_delete(keys);
 289         btree_delete(names);
 290 }
 291
 292 static void print_test_depends(void)
 293 {
 294         struct list_head *list;
 295
 296         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 297                 struct ccanlint *c;
 298                 printf("\%s Tests\n",
 299                        list == &compulsory_tests ? "Compulsory" : "Normal");
 300
 301                 list_for_each(list, c, list) {
 302                         if (!list_empty(&c->dependencies)) {
 303                                 const struct dependent *d;
 304                                 printf("These depend on %s:\n", c->key);
 305                                 list_for_each(&c->dependencies, d, node)
 306                                         printf("\t%s\n", d->dependent->key);
 307                         }
 308                 }
 309         }
 310 }
 311
 312 static int show_tmpdir(const char *dir)
 313 {
 314         printf("You can find ccanlint working files in '%s'\n", dir);
 315         return 0;
 316 }
 317
 318 static char *keep_test(const char *testname, void *unused)
 319 {
 320         struct ccanlint *i;
 321
 322         if (streq(testname, "all")) {
 323                 struct list_head *list;
 324                 foreach_ptr(list, &compulsory_tests, &normal_tests) {
 325                         list_for_each(list, i, list)
 326                                 i->keep_results = true;
 327                 }
 328         } else {
 329                 i = find_test(testname);
 330                 if (!i)
 331                         errx(1, "No test %s to --keep", testname);
 332                 i->keep_results = true;
 333         }
 334
 335         /* Don't automatically destroy temporary dir. */
 336         talloc_set_destructor(temp_dir(NULL), show_tmpdir);
 337         return NULL;
 338 }
 339
 340 static char *skip_test(const char *testname, void *unused)
 341 {
 342         btree_insert(cmdline_exclude, testname);
 343         return NULL;
 344 }
 345
 346 static void print_tests(struct list_head *tests, const char *type)
 347 {
 348         struct ccanlint *i;
 349
 350         printf("%s tests:\n", type);
 351         /* This makes them print in topological order. */
 352         while ((i = get_next_test(tests)) != NULL) {
 353                 const struct dependent *d;
 354                 printf("   %-25s %s\n", i->key, i->name);
 355                 list_del(&i->list);
 356                 list_for_each(&i->dependencies, d, node)
 357                         d->dependent->num_depends--;
 358         }
 359 }
 360
 361 static char *list_tests(void *arg)
 362 {
 363         print_tests(&compulsory_tests, "Compulsory");
 364         print_tests(&normal_tests, "Normal");
 365         exit(0);
 366 }
 367
 368 static void test_dgraph_vertices(struct list_head *tests, const char *style)
 369 {
 370         const struct ccanlint *i;
 371
 372         list_for_each(tests, i, list) {
 373                 /*
 374                  * todo: escape labels in case ccanlint test keys have
 375                  *       characters interpreted as GraphViz syntax.
 376                  */
 377                 printf("\t\"%p\" [label=\"%s\"%s]\n", i, i->key, style);
 378         }
 379 }
 380
 381 static void test_dgraph_edges(struct list_head *tests)
 382 {
 383         const struct ccanlint *i;
 384         const struct dependent *d;
 385
 386         list_for_each(tests, i, list)
 387                 list_for_each(&i->dependencies, d, node)
 388                         printf("\t\"%p\" -> \"%p\"\n", d->dependent, i);
 389 }
 390
 391 static char *test_dependency_graph(void *arg)
 392 {
 393         puts("digraph G {");
 394
 395         test_dgraph_vertices(&compulsory_tests, ", style=filled, fillcolor=yellow");
 396         test_dgraph_vertices(&normal_tests,     "");
 397
 398         test_dgraph_edges(&compulsory_tests);
 399         test_dgraph_edges(&normal_tests);
 400
 401         puts("}");
 402
 403         exit(0);
 404 }
 405
 406 /* Remove empty lines. */
 407 static char **collapse(char **lines, unsigned int *nump)
 408 {
 409         unsigned int i, j;
 410         for (i = j = 0; lines[i]; i++) {
 411                 if (lines[i][0])
 412                         lines[j++] = lines[i];
 413         }
 414         lines[j] = NULL;
 415         if (nump)
 416                 *nump = j;
 417         return lines;
 418 }
 419
 420
 421 static void add_options(struct ccanlint *test, char **options,
 422                         unsigned int num_options)
 423 {
 424         unsigned int num;
 425
 426         if (!test->options)
 427                 num = 0;
 428         else
 429                 /* -1, because last one is NULL. */
 430                 num = talloc_array_length(test->options) - 1;
 431
 432         test->options = talloc_realloc(NULL, test->options,
 433                                        char *,
 434                                        num + num_options + 1);
 435         memcpy(&test->options[num], options, (num_options + 1)*sizeof(char *));
 436 }
 437
 438 static void add_info_options(struct ccan_file *info, bool mark_fails)
 439 {
 440         struct doc_section *d;
 441         unsigned int i;
 442         struct ccanlint *test;
 443
 444         list_for_each(get_ccan_file_docs(info), d, list) {
 445                 if (!streq(d->type, "ccanlint"))
 446                         continue;
 447
 448                 for (i = 0; i < d->num_lines; i++) {
 449                         unsigned int num_words;
 450                         char **words = collapse(strsplit(d, d->lines[i], " \t"),
 451                                                 &num_words);
 452                         if (num_words == 0)
 453                                 continue;
 454
 455                         if (strncmp(words[0], "//", 2) == 0)
 456                                 continue;
 457
 458                         test = find_test(words[0]);
 459                         if (!test) {
 460                                 warnx("%s: unknown ccanlint test '%s'",
 461                                       info->fullname, words[0]);
 462                                 continue;
 463                         }
 464
 465                         if (!words[1]) {
 466                                 warnx("%s: no argument to test '%s'",
 467                                       info->fullname, words[0]);
 468                                 continue;
 469                         }
 470
 471                         /* Known failure? */
 472                         if (strcasecmp(words[1], "FAIL") == 0) {
 473                                 if (mark_fails)
 474                                         btree_insert(info_exclude, words[0]);
 475                         } else {
 476                                 if (!test->takes_options)
 477                                         warnx("%s: %s doesn't take options",
 478                                               info->fullname, words[0]);
 479                                 add_options(test, words+1, num_words-1);
 480                         }
 481                 }
 482         }
 483 }
 484
 485 /* If options are of form "filename:<option>" they only apply to that file */
 486 char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
 487 {
 488         char **ret;
 489         unsigned int i, j = 0;
 490
 491         /* Fast path. */
 492         if (!test->options[0])
 493                 return test->options;
 494
 495         ret = talloc_array(f, char *, talloc_array_length(test->options));
 496         for (i = 0; test->options[i]; i++) {
 497                 char *optname;
 498
 499                 if (!test->options[i] || !strchr(test->options[i], ':')) {
 500                         optname = test->options[i];
 501                 } else if (strstarts(test->options[i], f->name)
 502                            && test->options[i][strlen(f->name)] == ':') {
 503                         optname = test->options[i] + strlen(f->name) + 1;
 504                 } else
 505                         continue;
 506
 507                 /* FAIL overrides anything else. */
 508                 if (streq(optname, "FAIL")) {
 509                         ret = talloc_array(f, char *, 2);
 510                         ret[0] = (char *)"FAIL";
 511                         ret[1] = NULL;
 512                         return ret;
 513                 }
 514                 ret[j++] = optname;
 515         }
 516         ret[j] = NULL;
 517
 518         /* Shrink it to size so talloc_array_length() works as expected. */
 519         return talloc_realloc(NULL, ret, char *, j + 1);
 520 }
 521
 522 static bool depends_on(struct ccanlint *i, struct ccanlint *target)
 523 {
 524         const struct dependent *d;
 525
 526         if (i == target)
 527                 return true;
 528
 529         list_for_each(&i->dependencies, d, node) {
 530                 if (depends_on(d->dependent, target))
 531                         return true;
 532         }
 533         return false;
 534 }
 535
 536 /* O(N^2), who cares? */
 537 static void skip_unrelated_tests(struct ccanlint *target)
 538 {
 539         struct ccanlint *i;
 540         struct list_head *list;
 541
 542         foreach_ptr(list, &compulsory_tests, &normal_tests)
 543                 list_for_each(list, i, list)
 544                         if (!depends_on(i, target))
 545                                 i->skip = "not relevant to target";
 546 }
 547
 548 static char *demangle_string(char *string)
 549 {
 550         unsigned int i;
 551         const char mapfrom[] = "abfnrtv";
 552         const char mapto[] = "\a\b\f\n\r\t\v";
 553
 554         if (!strchr(string, '"'))
 555                 return NULL;
 556         string = strchr(string, '"') + 1;
 557         if (!strrchr(string, '"'))
 558                 return NULL;
 559         *strrchr(string, '"') = '\0';
 560
 561         for (i = 0; i < strlen(string); i++) {
 562                 if (string[i] == '\\') {
 563                         char repl;
 564                         unsigned len = 0;
 565                         const char *p = strchr(mapfrom, string[i+1]);
 566                         if (p) {
 567                                 repl = mapto[p - mapfrom];
 568                                 len = 1;
 569                         } else if (strlen(string+i+1) >= 3) {
 570                                 if (string[i+1] == 'x') {
 571                                         repl = (string[i+2]-'0')*16
 572                                                 + string[i+3]-'0';
 573                                         len = 3;
 574                                 } else if (cisdigit(string[i+1])) {
 575                                         repl = (string[i+2]-'0')*8*8
 576                                                 + (string[i+3]-'0')*8
 577                                                 + (string[i+4]-'0');
 578                                         len = 3;
 579                                 }
 580                         }
 581                         if (len == 0) {
 582                                 repl = string[i+1];
 583                                 len = 1;
 584                         }
 585
 586                         string[i] = repl;
 587                         memmove(string + i + 1, string + i + len + 1,
 588                                 strlen(string + i + len + 1) + 1);
 589                 }
 590         }
 591
 592         return string;
 593 }
 594
 595
 596 static void read_config_header(void)
 597 {
 598         char *fname = talloc_asprintf(NULL, "%s/config.h", ccan_dir);
 599         char **lines;
 600         unsigned int i;
 601
 602         config_header = grab_file(NULL, fname, NULL);
 603         if (!config_header) {
 604                 talloc_free(fname);
 605                 return;
 606         }
 607
 608         lines = strsplit(config_header, config_header, "\n");
 609         for (i = 0; i < talloc_array_length(lines) - 1; i++) {
 610                 char *sym;
 611                 const char **line = (const char **)&lines[i];
 612
 613                 if (!get_token(line, "#"))
 614                         continue;
 615                 if (!get_token(line, "define"))
 616                         continue;
 617                 sym = get_symbol_token(lines, line);
 618                 if (streq(sym, "CCAN_COMPILER") && !compiler) {
 619                         compiler = demangle_string(lines[i]);
 620                         if (!compiler)
 621                                 errx(1, "%s:%u:could not parse CCAN_COMPILER",
 622                                      fname, i+1);
 623                         if (verbose > 1)
 624                                 printf("%s: compiler set to '%s'\n",
 625                                        fname, compiler);
 626                 } else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
 627                         cflags = demangle_string(lines[i]);
 628                         if (!cflags)
 629                                 errx(1, "%s:%u:could not parse CCAN_CFLAGS",
 630                                      fname, i+1);
 631                         if (verbose > 1)
 632                                 printf("%s: compiler flags set to '%s'\n",
 633                                        fname, cflags);
 634                 }
 635         }
 636         if (!compiler)
 637                 compiler = CCAN_COMPILER;
 638         if (!cflags)
 639                 compiler = CCAN_CFLAGS;
 640 }
 641
 642 static char *opt_set_const_charp(const char *arg, const char **p)
 643 {
 644         return opt_set_charp(arg, cast_const2(char **, p));
 645 }
 646
 647 int main(int argc, char *argv[])
 648 {
 649         bool summary = false, pass = true;
 650         unsigned int score = 0, total_score = 0;
 651         struct manifest *m;
 652         struct ccanlint *i;
 653         const char *prefix = "";
 654         char *dir = talloc_getcwd(NULL), *base_dir = dir, *target = NULL;
 655
 656         init_tests();
 657
 658         cmdline_exclude = btree_new(btree_strcmp);
 659         info_exclude = btree_new(btree_strcmp);
 660
 661         opt_register_arg("--dir|-d", opt_set_charp, opt_show_charp, &dir,
 662                          "use this directory");
 663         opt_register_noarg("-n|--safe-mode", opt_set_bool, &safe_mode,
 664                          "do not compile anything");
 665         opt_register_noarg("-l|--list-tests", list_tests, NULL,
 666                          "list tests ccanlint performs (and exit)");
 667         opt_register_noarg("--test-dep-graph", test_dependency_graph, NULL,
 668                          "print dependency graph of tests in Graphviz .dot format");
 669         opt_register_arg("-k|--keep <testname>", keep_test, NULL, NULL,
 670                          "keep results of <testname>"
 671                          " (can be used multiple times, or 'all')");
 672         opt_register_noarg("--summary|-s", opt_set_bool, &summary,
 673                            "simply give one line summary");
 674         opt_register_noarg("--verbose|-v", opt_inc_intval, &verbose,
 675                            "verbose mode (up to -vvvv)");
 676         opt_register_arg("-x|--exclude <testname>", skip_test, NULL, NULL,
 677                          "exclude <testname> (can be used multiple times)");
 678         opt_register_arg("-t|--timeout <milleseconds>", opt_set_uintval,
 679                          NULL, &timeout,
 680                          "ignore (terminate) tests that are slower than this");
 681         opt_register_arg("--target <testname>", opt_set_charp,
 682                          NULL, &target,
 683                          "only run one test (and its prerequisites)");
 684         opt_register_arg("--compiler <compiler>", opt_set_const_charp,
 685                          NULL, &compiler, "set the compiler");
 686         opt_register_arg("--cflags <flags>", opt_set_const_charp,
 687                          NULL, &cflags, "set the compiler flags");
 688         opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
 689                            "\nA program for checking and guiding development"
 690                            " of CCAN modules.",
 691                            "This usage message");
 692
 693         /* We move into temporary directory, so gcov dumps its files there. */
 694         if (chdir(temp_dir(talloc_autofree_context())) != 0)
 695                 err(1, "Error changing to %s temporary dir", temp_dir(NULL));
 696
 697         opt_parse(&argc, argv, opt_log_stderr_exit);
 698
 699         if (dir[0] != '/')
 700                 dir = talloc_asprintf_append(NULL, "%s/%s", base_dir, dir);
 701         while (strends(dir, "/"))
 702                 dir[strlen(dir)-1] = '\0';
 703         if (dir != base_dir)
 704                 prefix = talloc_append_string(talloc_basename(NULL, dir), ": ");
 705         if (verbose >= 3) {
 706                 compile_verbose = true;
 707                 print_test_depends();
 708         }
 709         if (verbose >= 4)
 710                 tools_verbose = true;
 711
 712         m = get_manifest(talloc_autofree_context(), dir);
 713         read_config_header();
 714
 715         /* Create a symlink from temp dir back to src dir's test directory. */
 716         if (symlink(talloc_asprintf(m, "%s/test", dir),
 717                     talloc_asprintf(m, "%s/test", temp_dir(NULL))) != 0)
 718                 err(1, "Creating test symlink in %s", temp_dir(NULL));
 719
 720         if (target) {
 721                 struct ccanlint *test;
 722
 723                 test = find_test(target);
 724                 if (!test)
 725                         errx(1, "Unknown test to run '%s'", target);
 726                 skip_unrelated_tests(test);
 727         }
 728
 729         /* If you don't pass the compulsory tests, you get a score of 0. */
 730         while ((i = get_next_test(&compulsory_tests)) != NULL) {
 731                 if (!run_test(i, summary, &score, &total_score, m)) {
 732                         printf("%sTotal score: 0/%u\n", prefix, total_score);
 733                         errx(1, "%s%s failed", prefix, i->name);
 734                 }
 735         }
 736
 737         /* --target overrides known FAIL from _info */
 738         if (m->info_file)
 739                 add_info_options(m->info_file, !target);
 740
 741         while ((i = get_next_test(&normal_tests)) != NULL)
 742                 pass &= run_test(i, summary, &score, &total_score, m);
 743
 744         printf("%sTotal score: %u/%u\n", prefix, score, total_score);
 745         return pass ? 0 : 1;
 746 }