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 bool is_excluded(const char *name)
 226 {
 227         return btree_lookup(cmdline_exclude, name) != NULL
 228                 || btree_lookup(info_exclude, name) != NULL
 229                 || find_test(name)->skip != NULL;
 230 }
 231
 232 #undef REGISTER_TEST
 233 #define REGISTER_TEST(name, ...) extern struct ccanlint name
 234 #include "generated-normal-tests"
 235 #include "generated-compulsory-tests"
 236
 237 static void init_tests(void)
 238 {
 239         struct ccanlint *c;
 240         struct btree *keys, *names;
 241         struct list_head *list;
 242
 243 #undef REGISTER_TEST
 244 #define REGISTER_TEST(name) register_test(&normal_tests, &name)
 245 #include "generated-normal-tests"
 246 #undef REGISTER_TEST
 247 #define REGISTER_TEST(name) register_test(&compulsory_tests, &name)
 248 #include "generated-compulsory-tests"
 249
 250         /* Initialize dependency lists. */
 251         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 252                 list_for_each(list, c, list) {
 253                         list_head_init(&c->dependencies);
 254                 }
 255         }
 256
 257         /* Resolve dependencies. */
 258         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 259                 list_for_each(list, c, list) {
 260                         char **deps = strsplit(NULL, c->needs, " ");
 261                         unsigned int i;
 262
 263                         for (i = 0; deps[i]; i++) {
 264                                 struct ccanlint *dep;
 265                                 struct dependent *dchild;
 266
 267                                 dep = find_test(deps[i]);
 268                                 if (!dep)
 269                                         errx(1, "BUG: unknown dep '%s' for %s",
 270                                              deps[i], c->key);
 271                                 dchild = talloc(NULL, struct dependent);
 272                                 dchild->dependent = c;
 273                                 list_add_tail(&dep->dependencies,
 274                                               &dchild->node);
 275                                 c->num_depends++;
 276                         }
 277                         talloc_free(deps);
 278                 }
 279         }
 280
 281         /* Self-consistency check: make sure no two tests
 282            have the same key or name. */
 283         keys = btree_new(btree_strcmp);
 284         names = btree_new(btree_strcmp);
 285         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 286                 list_for_each(list, c, list) {
 287                         if (!btree_insert(keys, c->key))
 288                                 errx(1, "BUG: Duplicate test key '%s'",
 289                                      c->key);
 290                         if (!btree_insert(names, c->name))
 291                                 errx(1, "BUG: Duplicate test name '%s'",
 292                                      c->name);
 293                 }
 294         }
 295         btree_delete(keys);
 296         btree_delete(names);
 297 }
 298
 299 static void print_test_depends(void)
 300 {
 301         struct list_head *list;
 302
 303         foreach_ptr(list, &compulsory_tests, &normal_tests) {
 304                 struct ccanlint *c;
 305                 printf("\%s Tests\n",
 306                        list == &compulsory_tests ? "Compulsory" : "Normal");
 307
 308                 list_for_each(list, c, list) {
 309                         if (!list_empty(&c->dependencies)) {
 310                                 const struct dependent *d;
 311                                 printf("These depend on %s:\n", c->key);
 312                                 list_for_each(&c->dependencies, d, node)
 313                                         printf("\t%s\n", d->dependent->key);
 314                         }
 315                 }
 316         }
 317 }
 318
 319 static int show_tmpdir(const char *dir)
 320 {
 321         printf("You can find ccanlint working files in '%s'\n", dir);
 322         return 0;
 323 }
 324
 325 static char *keep_test(const char *testname, void *unused)
 326 {
 327         struct ccanlint *i;
 328
 329         if (streq(testname, "all")) {
 330                 struct list_head *list;
 331                 foreach_ptr(list, &compulsory_tests, &normal_tests) {
 332                         list_for_each(list, i, list)
 333                                 i->keep_results = true;
 334                 }
 335         } else {
 336                 i = find_test(testname);
 337                 if (!i)
 338                         errx(1, "No test %s to --keep", testname);
 339                 i->keep_results = true;
 340         }
 341
 342         /* Don't automatically destroy temporary dir. */
 343         talloc_set_destructor(temp_dir(NULL), show_tmpdir);
 344         return NULL;
 345 }
 346
 347 static char *skip_test(const char *testname, void *unused)
 348 {
 349         btree_insert(cmdline_exclude, testname);
 350         return NULL;
 351 }
 352
 353 static void print_tests(struct list_head *tests, const char *type)
 354 {
 355         struct ccanlint *i;
 356
 357         printf("%s tests:\n", type);
 358         /* This makes them print in topological order. */
 359         while ((i = get_next_test(tests)) != NULL) {
 360                 const struct dependent *d;
 361                 printf("   %-25s %s\n", i->key, i->name);
 362                 list_del(&i->list);
 363                 list_for_each(&i->dependencies, d, node)
 364                         d->dependent->num_depends--;
 365         }
 366 }
 367
 368 static char *list_tests(void *arg)
 369 {
 370         print_tests(&compulsory_tests, "Compulsory");
 371         print_tests(&normal_tests, "Normal");
 372         exit(0);
 373 }
 374
 375 static void test_dgraph_vertices(struct list_head *tests, const char *style)
 376 {
 377         const struct ccanlint *i;
 378
 379         list_for_each(tests, i, list) {
 380                 /*
 381                  * todo: escape labels in case ccanlint test keys have
 382                  *       characters interpreted as GraphViz syntax.
 383                  */
 384                 printf("\t\"%p\" [label=\"%s\"%s]\n", i, i->key, style);
 385         }
 386 }
 387
 388 static void test_dgraph_edges(struct list_head *tests)
 389 {
 390         const struct ccanlint *i;
 391         const struct dependent *d;
 392
 393         list_for_each(tests, i, list)
 394                 list_for_each(&i->dependencies, d, node)
 395                         printf("\t\"%p\" -> \"%p\"\n", d->dependent, i);
 396 }
 397
 398 static char *test_dependency_graph(void *arg)
 399 {
 400         puts("digraph G {");
 401
 402         test_dgraph_vertices(&compulsory_tests, ", style=filled, fillcolor=yellow");
 403         test_dgraph_vertices(&normal_tests,     "");
 404
 405         test_dgraph_edges(&compulsory_tests);
 406         test_dgraph_edges(&normal_tests);
 407
 408         puts("}");
 409
 410         exit(0);
 411 }
 412
 413 /* Remove empty lines. */
 414 static char **collapse(char **lines, unsigned int *nump)
 415 {
 416         unsigned int i, j;
 417         for (i = j = 0; lines[i]; i++) {
 418                 if (lines[i][0])
 419                         lines[j++] = lines[i];
 420         }
 421         lines[j] = NULL;
 422         if (nump)
 423                 *nump = j;
 424         return lines;
 425 }
 426
 427
 428 static void add_options(struct ccanlint *test, char **options,
 429                         unsigned int num_options)
 430 {
 431         unsigned int num;
 432
 433         if (!test->options)
 434                 num = 0;
 435         else
 436                 /* -1, because last one is NULL. */
 437                 num = talloc_array_length(test->options) - 1;
 438
 439         test->options = talloc_realloc(NULL, test->options,
 440                                        char *,
 441                                        num + num_options + 1);
 442         memcpy(&test->options[num], options, (num_options + 1)*sizeof(char *));
 443 }
 444
 445 static void add_info_options(struct ccan_file *info, bool mark_fails)
 446 {
 447         struct doc_section *d;
 448         unsigned int i;
 449         struct ccanlint *test;
 450
 451         list_for_each(get_ccan_file_docs(info), d, list) {
 452                 if (!streq(d->type, "ccanlint"))
 453                         continue;
 454
 455                 for (i = 0; i < d->num_lines; i++) {
 456                         unsigned int num_words;
 457                         char **words = collapse(strsplit(d, d->lines[i], " \t"),
 458                                                 &num_words);
 459                         if (num_words == 0)
 460                                 continue;
 461
 462                         if (strncmp(words[0], "//", 2) == 0)
 463                                 continue;
 464
 465                         test = find_test(words[0]);
 466                         if (!test) {
 467                                 warnx("%s: unknown ccanlint test '%s'",
 468                                       info->fullname, words[0]);
 469                                 continue;
 470                         }
 471
 472                         if (!words[1]) {
 473                                 warnx("%s: no argument to test '%s'",
 474                                       info->fullname, words[0]);
 475                                 continue;
 476                         }
 477
 478                         /* Known failure? */
 479                         if (strcasecmp(words[1], "FAIL") == 0) {
 480                                 if (mark_fails)
 481                                         btree_insert(info_exclude, words[0]);
 482                         } else {
 483                                 if (!test->takes_options)
 484                                         warnx("%s: %s doesn't take options",
 485                                               info->fullname, words[0]);
 486                                 add_options(test, words+1, num_words-1);
 487                         }
 488                 }
 489         }
 490 }
 491
 492 /* If options are of form "filename:<option>" they only apply to that file */
 493 char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
 494 {
 495         char **ret;
 496         unsigned int i, j = 0;
 497
 498         /* Fast path. */
 499         if (!test->options[0])
 500                 return test->options;
 501
 502         ret = talloc_array(f, char *, talloc_array_length(test->options));
 503         for (i = 0; test->options[i]; i++) {
 504                 char *optname;
 505
 506                 if (!test->options[i] || !strchr(test->options[i], ':')) {
 507                         optname = test->options[i];
 508                 } else if (strstarts(test->options[i], f->name)
 509                            && test->options[i][strlen(f->name)] == ':') {
 510                         optname = test->options[i] + strlen(f->name) + 1;
 511                 } else
 512                         continue;
 513
 514                 /* FAIL overrides anything else. */
 515                 if (streq(optname, "FAIL")) {
 516                         ret = talloc_array(f, char *, 2);
 517                         ret[0] = (char *)"FAIL";
 518                         ret[1] = NULL;
 519                         return ret;
 520                 }
 521                 ret[j++] = optname;
 522         }
 523         ret[j] = NULL;
 524
 525         /* Shrink it to size so talloc_array_length() works as expected. */
 526         return talloc_realloc(NULL, ret, char *, j + 1);
 527 }
 528
 529 static bool depends_on(struct ccanlint *i, struct ccanlint *target)
 530 {
 531         const struct dependent *d;
 532
 533         if (i == target)
 534                 return true;
 535
 536         list_for_each(&i->dependencies, d, node) {
 537                 if (depends_on(d->dependent, target))
 538                         return true;
 539         }
 540         return false;
 541 }
 542
 543 /* O(N^2), who cares? */
 544 static void skip_unrelated_tests(struct ccanlint *target)
 545 {
 546         struct ccanlint *i;
 547         struct list_head *list;
 548
 549         foreach_ptr(list, &compulsory_tests, &normal_tests)
 550                 list_for_each(list, i, list)
 551                         if (!depends_on(i, target))
 552                                 i->skip = "not relevant to target";
 553 }
 554
 555 static char *demangle_string(char *string)
 556 {
 557         unsigned int i;
 558         const char mapfrom[] = "abfnrtv";
 559         const char mapto[] = "\a\b\f\n\r\t\v";
 560
 561         if (!strchr(string, '"'))
 562                 return NULL;
 563         string = strchr(string, '"') + 1;
 564         if (!strrchr(string, '"'))
 565                 return NULL;
 566         *strrchr(string, '"') = '\0';
 567
 568         for (i = 0; i < strlen(string); i++) {
 569                 if (string[i] == '\\') {
 570                         char repl;
 571                         unsigned len = 0;
 572                         const char *p = strchr(mapfrom, string[i+1]);
 573                         if (p) {
 574                                 repl = mapto[p - mapfrom];
 575                                 len = 1;
 576                         } else if (strlen(string+i+1) >= 3) {
 577                                 if (string[i+1] == 'x') {
 578                                         repl = (string[i+2]-'0')*16
 579                                                 + string[i+3]-'0';
 580                                         len = 3;
 581                                 } else if (cisdigit(string[i+1])) {
 582                                         repl = (string[i+2]-'0')*8*8
 583                                                 + (string[i+3]-'0')*8
 584                                                 + (string[i+4]-'0');
 585                                         len = 3;
 586                                 }
 587                         }
 588                         if (len == 0) {
 589                                 repl = string[i+1];
 590                                 len = 1;
 591                         }
 592
 593                         string[i] = repl;
 594                         memmove(string + i + 1, string + i + len + 1,
 595                                 strlen(string + i + len + 1) + 1);
 596                 }
 597         }
 598
 599         return string;
 600 }
 601
 602
 603 static void read_config_header(void)
 604 {
 605         char *fname = talloc_asprintf(NULL, "%s/config.h", ccan_dir);
 606         char **lines;
 607         unsigned int i;
 608
 609         config_header = grab_file(NULL, fname, NULL);
 610         if (!config_header) {
 611                 talloc_free(fname);
 612                 return;
 613         }
 614
 615         lines = strsplit(config_header, config_header, "\n");
 616         for (i = 0; i < talloc_array_length(lines) - 1; i++) {
 617                 char *sym;
 618                 const char **line = (const char **)&lines[i];
 619
 620                 if (!get_token(line, "#"))
 621                         continue;
 622                 if (!get_token(line, "define"))
 623                         continue;
 624                 sym = get_symbol_token(lines, line);
 625                 if (streq(sym, "CCAN_COMPILER") && !compiler) {
 626                         compiler = demangle_string(lines[i]);
 627                         if (!compiler)
 628                                 errx(1, "%s:%u:could not parse CCAN_COMPILER",
 629                                      fname, i+1);
 630                         if (verbose > 1)
 631                                 printf("%s: compiler set to '%s'\n",
 632                                        fname, compiler);
 633                 } else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
 634                         cflags = demangle_string(lines[i]);
 635                         if (!cflags)
 636                                 errx(1, "%s:%u:could not parse CCAN_CFLAGS",
 637                                      fname, i+1);
 638                         if (verbose > 1)
 639                                 printf("%s: compiler flags set to '%s'\n",
 640                                        fname, cflags);
 641                 }
 642         }
 643         if (!compiler)
 644                 compiler = CCAN_COMPILER;
 645         if (!cflags)
 646                 compiler = CCAN_CFLAGS;
 647 }
 648
 649 static char *opt_set_const_charp(const char *arg, const char **p)
 650 {
 651         return opt_set_charp(arg, cast_const2(char **, p));
 652 }
 653
 654 int main(int argc, char *argv[])
 655 {
 656         bool summary = false, pass = true;
 657         unsigned int score = 0, total_score = 0;
 658         struct manifest *m;
 659         struct ccanlint *i;
 660         const char *prefix = "";
 661         char *dir = talloc_getcwd(NULL), *base_dir = dir, *target = NULL;
 662
 663         init_tests();
 664
 665         cmdline_exclude = btree_new(btree_strcmp);
 666         info_exclude = btree_new(btree_strcmp);
 667
 668         opt_register_arg("--dir|-d", opt_set_charp, opt_show_charp, &dir,
 669                          "use this directory");
 670         opt_register_noarg("-n|--safe-mode", opt_set_bool, &safe_mode,
 671                          "do not compile anything");
 672         opt_register_noarg("-l|--list-tests", list_tests, NULL,
 673                          "list tests ccanlint performs (and exit)");
 674         opt_register_noarg("--test-dep-graph", test_dependency_graph, NULL,
 675                          "print dependency graph of tests in Graphviz .dot format");
 676         opt_register_arg("-k|--keep <testname>", keep_test, NULL, NULL,
 677                          "keep results of <testname>"
 678                          " (can be used multiple times, or 'all')");
 679         opt_register_noarg("--summary|-s", opt_set_bool, &summary,
 680                            "simply give one line summary");
 681         opt_register_noarg("--verbose|-v", opt_inc_intval, &verbose,
 682                            "verbose mode (up to -vvvv)");
 683         opt_register_arg("-x|--exclude <testname>", skip_test, NULL, NULL,
 684                          "exclude <testname> (can be used multiple times)");
 685         opt_register_arg("-t|--timeout <milleseconds>", opt_set_uintval,
 686                          NULL, &timeout,
 687                          "ignore (terminate) tests that are slower than this");
 688         opt_register_arg("--target <testname>", opt_set_charp,
 689                          NULL, &target,
 690                          "only run one test (and its prerequisites)");
 691         opt_register_arg("--compiler <compiler>", opt_set_const_charp,
 692                          NULL, &compiler, "set the compiler");
 693         opt_register_arg("--cflags <flags>", opt_set_const_charp,
 694                          NULL, &cflags, "set the compiler flags");
 695         opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
 696                            "\nA program for checking and guiding development"
 697                            " of CCAN modules.",
 698                            "This usage message");
 699
 700         /* We move into temporary directory, so gcov dumps its files there. */
 701         if (chdir(temp_dir(talloc_autofree_context())) != 0)
 702                 err(1, "Error changing to %s temporary dir", temp_dir(NULL));
 703
 704         opt_parse(&argc, argv, opt_log_stderr_exit);
 705
 706         if (dir[0] != '/')
 707                 dir = talloc_asprintf_append(NULL, "%s/%s", base_dir, dir);
 708         while (strends(dir, "/"))
 709                 dir[strlen(dir)-1] = '\0';
 710         if (dir != base_dir)
 711                 prefix = talloc_append_string(talloc_basename(NULL, dir), ": ");
 712         if (verbose >= 3) {
 713                 compile_verbose = true;
 714                 print_test_depends();
 715         }
 716         if (verbose >= 4)
 717                 tools_verbose = true;
 718
 719         m = get_manifest(talloc_autofree_context(), dir);
 720         read_config_header();
 721
 722         /* Create a symlink from temp dir back to src dir's test directory. */
 723         if (symlink(talloc_asprintf(m, "%s/test", dir),
 724                     talloc_asprintf(m, "%s/test", temp_dir(NULL))) != 0)
 725                 err(1, "Creating test symlink in %s", temp_dir(NULL));
 726
 727         if (target) {
 728                 struct ccanlint *test;
 729
 730                 test = find_test(target);
 731                 if (!test)
 732                         errx(1, "Unknown test to run '%s'", target);
 733                 skip_unrelated_tests(test);
 734         }
 735
 736         /* If you don't pass the compulsory tests, you get a score of 0. */
 737         while ((i = get_next_test(&compulsory_tests)) != NULL) {
 738                 if (!run_test(i, summary, &score, &total_score, m)) {
 739                         printf("%sTotal score: 0/%u\n", prefix, total_score);
 740                         errx(1, "%s%s failed", prefix, i->name);
 741                 }
 742         }
 743
 744         /* --target overrides known FAIL from _info */
 745         if (m->info_file)
 746                 add_info_options(m->info_file, !target);
 747
 748         while ((i = get_next_test(&normal_tests)) != NULL)
 749                 pass &= run_test(i, summary, &score, &total_score, m);
 750
 751         printf("%sTotal score: %u/%u\n", prefix, score, total_score);
 752         return pass ? 0 : 1;
 753 }