]> git.ozlabs.org Git - ccan/blobdiff - tools/ccanlint/ccanlint.c
ccanlint: Allow path to gcov to be overriden
[ccan] / tools / ccanlint / ccanlint.c
index 8c6ee1e4080410075a408efc1621041ab7637fb3..237e412817d8f99ff44d9e68afeed050365d89b6 100644 (file)
@@ -19,6 +19,7 @@
  */
 #include "ccanlint.h"
 #include "../tools.h"
+#include "../read_config_header.h"
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <err.h>
 #include <ctype.h>
 #include <ccan/str/str.h>
-#include <ccan/str_talloc/str_talloc.h>
-#include <ccan/talloc/talloc.h>
+#include <ccan/take/take.h>
 #include <ccan/opt/opt.h>
 #include <ccan/foreach/foreach.h>
-#include <ccan/grab_file/grab_file.h>
 #include <ccan/cast/cast.h>
 #include <ccan/tlist/tlist.h>
+#include <ccan/tal/path/path.h>
 #include <ccan/strmap/strmap.h>
 
-struct ccanlint_map {
-       STRMAP_MEMBERS(struct ccanlint *);
-};
+typedef STRMAP(struct ccanlint *) ccanlint_map_t;
 
 int verbose = 0;
-static struct ccanlint_map tests;
+static ccanlint_map_t tests;
 bool safe_mode = false;
 bool keep_results = false;
+bool non_ccan_deps = false;
+bool build_failed = false;
 static bool targeting = false;
 static unsigned int timeout;
 
-/* These are overridden at runtime if we can find config.h */
-const char *compiler = NULL;
-const char *cflags = NULL;
-
 const char *config_header;
 
+const char *ccan_dir;
+
 #if 0
 static void indent_print(const char *string)
 {
@@ -86,20 +84,21 @@ static bool skip_test(struct dgraph_node *node, const char *why)
        return true;
 }
 
-static const char *dep_failed(struct manifest *m)
+static const char *dep_failed(struct manifest *m UNNEEDED)
 {
        return "dependency couldn't run";
 }
 
-static bool cannot_run(struct dgraph_node *node, void *unused)
+static bool cannot_run(struct dgraph_node *node, void *all UNNEEDED)
 {
        struct ccanlint *c = container_of(node, struct ccanlint, node);
        c->can_run = dep_failed;
+
        return true;
 }
 
 struct run_info {
-       bool quiet;
+       bool noninteractive;
        unsigned int score, total;
        struct manifest *m;
        const char *prefix;
@@ -115,7 +114,7 @@ static bool run_test(struct dgraph_node *n, struct run_info *run)
        if (i->done)
                return true;
 
-       score = talloc(run->m, struct score);
+       score = tal(run->m, struct score);
        list_head_init(&score->per_file_errors);
        score->error = NULL;
        score->pass = false;
@@ -166,7 +165,7 @@ static bool run_test(struct dgraph_node *n, struct run_info *run)
        }
 
        assert(score->score <= score->total);
-       if ((!score->pass && !run->quiet)
+       if (!score->pass
            || (score->score < score->total && verbose)
            || verbose > 1) {
                printf("%s%s (%s): %s",
@@ -177,13 +176,13 @@ static bool run_test(struct dgraph_node *n, struct run_info *run)
                printf("\n");
        }
 
-       if ((!run->quiet && !score->pass) || verbose) {
+       if (!score->pass || verbose) {
                if (score->error) {
                        printf("%s%s", score->error,
                               strends(score->error, "\n") ? "" : "\n");
                }
        }
-       if (!run->quiet && score->score < score->total && i->handle)
+       if (!run->noninteractive && score->score < score->total && i->handle)
                i->handle(run->m, score);
 
        if (!score->pass) {
@@ -211,12 +210,12 @@ static void register_test(struct ccanlint *test)
 {
        if (!strmap_add(&tests, test->key, test))
                err(1, "Adding test %s", test->key);
-       test->options = talloc_array(NULL, char *, 1);
+       test->options = tal_arr(NULL, char *, 1);
        test->options[0] = NULL;
        dgraph_init_node(&test->node);
 }
 
-static bool get_test(const char *member, struct ccanlint *i,
+static bool get_test(const char *member UNNEEDED, struct ccanlint *i,
                     struct ccanlint **ret)
 {
        if (tlist_empty(&i->node.edge[DGRAPH_TO])) {
@@ -253,9 +252,10 @@ bool is_excluded(const char *name)
        return find_test(name)->skip != NULL;
 }
 
-static bool init_deps(const char *member, struct ccanlint *c, void *unused)
+static bool init_deps(const char *member UNNEEDED,
+                     struct ccanlint *c, void *unused UNNEEDED)
 {
-       char **deps = strsplit(NULL, c->needs, " ");
+       char **deps = tal_strsplit(NULL, c->needs, " ", STR_EMPTY_OK);
        unsigned int i;
 
        for (i = 0; deps[i]; i++) {
@@ -267,12 +267,12 @@ static bool init_deps(const char *member, struct ccanlint *c, void *unused)
                             deps[i], c->key);
                dgraph_add_edge(&dep->node, &c->node);
        }
-       talloc_free(deps);
+       tal_free(deps);
        return true;
 }
 
-static bool check_names(const char *member, struct ccanlint *c,
-                       struct ccanlint_map *names)
+static bool check_names(const char *member UNNEEDED, struct ccanlint *c,
+                       ccanlint_map_t *names)
 {
        if (!strmap_add(names, c->name, c))
                err(1, "Duplicate name %s", c->name);
@@ -281,7 +281,7 @@ static bool check_names(const char *member, struct ccanlint *c,
 
 static void init_tests(void)
 {
-       struct ccanlint_map names;
+       ccanlint_map_t names;
        struct ccanlint **table;
        size_t i, num;
 
@@ -300,7 +300,7 @@ static void init_tests(void)
        strmap_clear(&names);
 }
 
-static bool reset_test(struct dgraph_node *node, void *unused)
+static bool reset_test(struct dgraph_node *node, void *unused UNNEEDED)
 {
        struct ccanlint *c = container_of(node, struct ccanlint, node);
        c->skip = NULL;
@@ -313,7 +313,8 @@ static void reset_tests(struct dgraph_node *all)
        dgraph_traverse_to(all, reset_test, NULL);
 }
 
-static bool print_deps(const char *member, struct ccanlint *c, void *unused)
+static bool print_deps(const char *member UNNEEDED,
+                      struct ccanlint *c, void *unused UNNEEDED)
 {
        if (!tlist_empty(&c->node.edge[DGRAPH_FROM])) {
                struct dgraph_edge *e;
@@ -337,18 +338,18 @@ static void print_test_depends(void)
 }
 
 
-static int show_tmpdir(const char *dir)
+static void show_tmpdir(const char *dir)
 {
        printf("You can find ccanlint working files in '%s'\n", dir);
-       return 0;
 }
 
-static char *keep_tests(void *unused)
+static char *keep_tests(void *unused UNNEEDED)
 {
        keep_results = true;
 
        /* Don't automatically destroy temporary dir. */
-       talloc_set_destructor(temp_dir(NULL), show_tmpdir);
+       keep_temp_dir();
+       tal_add_destructor(temp_dir(), show_tmpdir);
        return NULL;
 }
 
@@ -360,12 +361,11 @@ static bool remove_test(struct dgraph_node *node, const char *why)
        return true;
 }
 
-static char *exclude_test(const char *testname, void *unused)
+static char *exclude_test(const char *testname, void *unused UNNEEDED)
 {
        struct ccanlint *i = find_test(testname);
        if (!i)
-               return talloc_asprintf(NULL, "No test %s to --exclude",
-                                      testname);
+               return tal_fmt(NULL, "No test %s to --exclude", testname);
 
        /* Remove this, and everything which depends on it. */
        dgraph_traverse_from(&i->node, remove_test, "excluded on command line");
@@ -380,7 +380,7 @@ static void skip_test_and_deps(struct ccanlint *c, const char *why)
        skip_test(&c->node, why);
 }
 
-static char *list_tests(void *arg)
+static char *list_tests(void *arg UNNEEDED)
 {
        struct ccanlint *i;
 
@@ -394,7 +394,8 @@ static char *list_tests(void *arg)
        exit(0);
 }
 
-static bool draw_test(const char *member, struct ccanlint *c, const char *style)
+static bool draw_test(const char *member UNNEEDED,
+                     struct ccanlint *c, const char *style)
 {
        /*
         * todo: escape labels in case ccanlint test keys have
@@ -409,7 +410,8 @@ static void test_dgraph_vertices(const char *style)
        strmap_iterate(&tests, draw_test, style);
 }
 
-static bool draw_edges(const char *member, struct ccanlint *c, void *unused)
+static bool draw_edges(const char *member UNNEEDED,
+                      struct ccanlint *c, void *unused UNNEEDED)
 {
        struct dgraph_edge *e;
 
@@ -427,7 +429,7 @@ static void test_dgraph_edges(void)
        strmap_iterate(&tests, draw_edges, NULL);
 }
 
-static char *test_dependency_graph(void *arg)
+static char *test_dependency_graph(void *arg UNNEEDED)
 {
        puts("digraph G {");
 
@@ -439,21 +441,6 @@ static char *test_dependency_graph(void *arg)
        exit(0);
 }
 
-/* Remove empty lines. */
-static char **collapse(char **lines, unsigned int *nump)
-{
-       unsigned int i, j;
-       for (i = j = 0; lines[i]; i++) {
-               if (lines[i][0])
-                       lines[j++] = lines[i];
-       }
-       lines[j] = NULL;
-       if (nump)
-               *nump = j;
-       return lines;
-}
-
-
 static void add_options(struct ccanlint *test, char **options,
                        unsigned int num_options)
 {
@@ -463,59 +450,49 @@ static void add_options(struct ccanlint *test, char **options,
                num = 0;
        else
                /* -1, because last one is NULL. */
-               num = talloc_array_length(test->options) - 1;
+               num = tal_count(test->options) - 1;
 
-       test->options = talloc_realloc(NULL, test->options,
-                                      char *,
-                                      num + num_options + 1);
+       tal_resize(&test->options, num + num_options + 1);
        memcpy(&test->options[num], options, (num_options + 1)*sizeof(char *));
 }
 
-void add_info_options(struct ccan_file *info)
+void add_info_options(struct manifest *m)
 {
-       struct doc_section *d;
        unsigned int i;
-       struct ccanlint *test;
+       char **info_options = get_ccanlint(m, m->dir, get_or_compile_info);
+
+       for (i = 0; info_options[i]; i++) {
+               char **words = tal_strsplit(m, info_options[i], " \t",
+                                           STR_NO_EMPTY);
+               struct ccanlint *test;
+
+               if (!words[0])
+                       continue;
 
-       list_for_each(get_ccan_file_docs(info), d, list) {
-               if (!streq(d->type, "ccanlint"))
+               test = find_test(words[0]);
+               if (!test) {
+                       warnx("%s: unknown ccanlint test '%s'",
+                             m->info_file->fullname, words[0]);
                        continue;
+               }
+
+               if (!words[1]) {
+                       warnx("%s: no argument to test '%s'",
+                             m->info_file->fullname, words[0]);
+                       continue;
+               }
 
-               for (i = 0; i < d->num_lines; i++) {
-                       unsigned int num_words;
-                       char **words = collapse(strsplit(d, d->lines[i], " \t"),
-                                               &num_words);
-                       if (num_words == 0)
-                               continue;
-
-                       if (strncmp(words[0], "//", 2) == 0)
-                               continue;
-
-                       test = find_test(words[0]);
-                       if (!test) {
-                               warnx("%s: unknown ccanlint test '%s'",
-                                     info->fullname, words[0]);
-                               continue;
-                       }
-
-                       if (!words[1]) {
-                               warnx("%s: no argument to test '%s'",
-                                     info->fullname, words[0]);
-                               continue;
-                       }
-
-                       /* Known failure? */
-                       if (strcasecmp(words[1], "FAIL") == 0) {
-                               if (!targeting)
-                                       skip_test_and_deps(test,
-                                                          "excluded in _info"
-                                                          " file");
-                       } else {
-                               if (!test->takes_options)
-                                       warnx("%s: %s doesn't take options",
-                                             info->fullname, words[0]);
-                               add_options(test, words+1, num_words-1);
-                       }
+               /* Known failure? */
+               if (strcasecmp(words[1], "FAIL") == 0) {
+                       if (!targeting)
+                               skip_test_and_deps(test,
+                                                  "excluded in _info"
+                                                  " file");
+               } else {
+                       if (!test->takes_options)
+                               warnx("%s: %s doesn't take options",
+                                     m->info_file->fullname, words[0]);
+                       add_options(test, words+1, tal_count(words)-1);
                }
        }
 }
@@ -530,7 +507,7 @@ char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
        if (!test->options[0])
                return test->options;
 
-       ret = talloc_array(f, char *, talloc_array_length(test->options));
+       ret = tal_arr(f, char *, tal_count(test->options));
        for (i = 0; test->options[i]; i++) {
                char *optname;
 
@@ -544,7 +521,7 @@ char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
 
                /* FAIL overrides anything else. */
                if (streq(optname, "FAIL")) {
-                       ret = talloc_array(f, char *, 2);
+                       ret = tal_arr(f, char *, 2);
                        ret[0] = (char *)"FAIL";
                        ret[1] = NULL;
                        return ret;
@@ -553,102 +530,9 @@ char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
        }
        ret[j] = NULL;
 
-       /* Shrink it to size so talloc_array_length() works as expected. */
-       return talloc_realloc(NULL, ret, char *, j + 1);
-}
-
-static char *demangle_string(char *string)
-{
-       unsigned int i;
-       const char mapfrom[] = "abfnrtv";
-       const char mapto[] = "\a\b\f\n\r\t\v";
-
-       if (!strchr(string, '"'))
-               return NULL;
-       string = strchr(string, '"') + 1;
-       if (!strrchr(string, '"'))
-               return NULL;
-       *strrchr(string, '"') = '\0';
-
-       for (i = 0; i < strlen(string); i++) {
-               if (string[i] == '\\') {
-                       char repl;
-                       unsigned len = 0;
-                       const char *p = strchr(mapfrom, string[i+1]);
-                       if (p) {
-                               repl = mapto[p - mapfrom];
-                               len = 1;
-                       } else if (strlen(string+i+1) >= 3) {
-                               if (string[i+1] == 'x') {
-                                       repl = (string[i+2]-'0')*16
-                                               + string[i+3]-'0';
-                                       len = 3;
-                               } else if (cisdigit(string[i+1])) {
-                                       repl = (string[i+2]-'0')*8*8
-                                               + (string[i+3]-'0')*8
-                                               + (string[i+4]-'0');
-                                       len = 3;
-                               }
-                       }
-                       if (len == 0) {
-                               repl = string[i+1];
-                               len = 1;
-                       }
-
-                       string[i] = repl;
-                       memmove(string + i + 1, string + i + len + 1,
-                               strlen(string + i + len + 1) + 1);
-               }
-       }
-
-       return string;
-}
-
-
-static void read_config_header(void)
-{
-       char *fname = talloc_asprintf(NULL, "%s/config.h", ccan_dir);
-       char **lines;
-       unsigned int i;
-
-       config_header = grab_file(NULL, fname, NULL);
-       if (!config_header) {
-               talloc_free(fname);
-               return;
-       }
-
-       lines = strsplit(config_header, config_header, "\n");
-       for (i = 0; i < talloc_array_length(lines) - 1; i++) {
-               char *sym;
-               const char **line = (const char **)&lines[i];
-
-               if (!get_token(line, "#"))
-                       continue;
-               if (!get_token(line, "define"))
-                       continue;
-               sym = get_symbol_token(lines, line);
-               if (streq(sym, "CCAN_COMPILER") && !compiler) {
-                       compiler = demangle_string(lines[i]);
-                       if (!compiler)
-                               errx(1, "%s:%u:could not parse CCAN_COMPILER",
-                                    fname, i+1);
-                       if (verbose > 1)
-                               printf("%s: compiler set to '%s'\n",
-                                      fname, compiler);
-               } else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
-                       cflags = demangle_string(lines[i]);
-                       if (!cflags)
-                               errx(1, "%s:%u:could not parse CCAN_CFLAGS",
-                                    fname, i+1);
-                       if (verbose > 1)
-                               printf("%s: compiler flags set to '%s'\n",
-                                      fname, cflags);
-               }
-       }
-       if (!compiler)
-               compiler = CCAN_COMPILER;
-       if (!cflags)
-               compiler = CCAN_CFLAGS;
+       /* Shrink it to size so tal_array_length() works as expected. */
+       tal_resize(&ret, j + 1);
+       return ret;
 }
 
 static char *opt_set_const_charp(const char *arg, const char **p)
@@ -660,7 +544,7 @@ static char *opt_set_target(const char *arg, struct dgraph_node *all)
 {
        struct ccanlint *t = find_test(arg);
        if (!t)
-               return talloc_asprintf(NULL, "unknown --target %s", arg);
+               return tal_fmt(NULL, "unknown --target %s", arg);
 
        targeting = true;
        dgraph_add_edge(&t->node, all);
@@ -669,41 +553,73 @@ static char *opt_set_target(const char *arg, struct dgraph_node *all)
 
 static bool run_tests(struct dgraph_node *all,
                      bool summary,
+                     bool deps_fail_ignore,
                      struct manifest *m,
                      const char *prefix)
 {
        struct run_info run;
+       const char *comment = "";
 
-       run.quiet = summary;
+       run.noninteractive = summary;
        run.m = m;
        run.prefix = prefix;
        run.score = run.total = 0;
        run.pass = true;
 
+       non_ccan_deps = build_failed = false;
+
        dgraph_traverse_to(all, run_test, &run);
 
-       printf("%sTotal score: %u/%u\n", prefix, run.score, run.total);
+       /* We can completely fail if we're missing external stuff: ignore */
+       if (deps_fail_ignore && non_ccan_deps && build_failed) {
+               comment = " (missing non-ccan dependencies?)";
+               run.pass = true;
+       } else if (!run.pass) {
+               comment = " FAIL!";
+       }
+       printf("%sTotal score: %u/%u%s\n",
+              prefix, run.score, run.total, comment);
+
        return run.pass;
 }
 
-static bool add_to_all(const char *member, struct ccanlint *c,
+static bool add_to_all(const char *member UNNEEDED, struct ccanlint *c,
                       struct dgraph_node *all)
 {
-       dgraph_add_edge(&c->node, all);
+       /* If we're excluded on cmdline, don't add. */
+       if (!c->skip)
+               dgraph_add_edge(&c->node, all);
        return true;
 }
 
+static bool test_module(struct dgraph_node *all,
+                       const char *dir, const char *prefix, bool summary,
+                       bool deps_fail_ignore)
+{
+       struct manifest *m = get_manifest(autofree(), dir);
+       char *testlink = path_join(NULL, temp_dir(), "test");
+
+       /* Create a symlink from temp dir back to src dir's
+        * test directory. */
+       unlink(testlink);
+       if (symlink(path_join(m, dir, "test"), testlink) != 0)
+               err(1, "Creating test symlink in %s", temp_dir());
+
+       return run_tests(all, summary, deps_fail_ignore, m, prefix);
+}
+
 int main(int argc, char *argv[])
 {
-       bool summary = false, pass = true;
-       unsigned int i;
-       struct manifest *m;
+       bool summary = false, pass = true, deps_fail_ignore = false;
+       int i;
        const char *prefix = "";
-       char *dir = talloc_getcwd(NULL), *base_dir = dir, *testlink;
-       struct dgraph_node all;
+       char *cwd = path_cwd(NULL), *dir;
+       struct ccanlint top;  /* cannot_run may try to set ->can_run */
+       const char *override_compiler = NULL, *override_cflags = NULL;
+       const char *override_gcov = NULL;
        
        /* Empty graph node to which we attach everything else. */
-       dgraph_init_node(&all);
+       dgraph_init_node(&top.node);
 
        opt_register_early_noarg("--verbose|-v", opt_inc_intval, &verbose,
                                 "verbose mode (up to -vvvv)");
@@ -716,18 +632,24 @@ int main(int argc, char *argv[])
        opt_register_noarg("-k|--keep", keep_tests, NULL,
                         "do not delete ccanlint working files");
        opt_register_noarg("--summary|-s", opt_set_bool, &summary,
-                          "simply give one line summary");
+                          "give results only, no interactive correction");
        opt_register_arg("-x|--exclude <testname>", exclude_test, NULL, NULL,
                         "exclude <testname> (can be used multiple times)");
        opt_register_arg("--timeout <milleseconds>", opt_set_uintval,
                         NULL, &timeout,
                         "ignore (terminate) tests that are slower than this");
-       opt_register_arg("-t|--target <testname>", opt_set_target, NULL, &all,
+       opt_register_arg("-t|--target <testname>", opt_set_target, NULL,
+                        &top.node,
                         "only run one test (and its prerequisites)");
        opt_register_arg("--compiler <compiler>", opt_set_const_charp,
-                        NULL, &compiler, "set the compiler");
+                        NULL, &override_compiler, "set the compiler");
        opt_register_arg("--cflags <flags>", opt_set_const_charp,
-                        NULL, &cflags, "set the compiler flags");
+                        NULL, &override_cflags, "set the compiler flags");
+       opt_register_arg("--gcov <coverage tool>", opt_set_const_charp,
+                        NULL, &override_gcov, "set the coverage tool");
+       opt_register_noarg("--deps-fail-ignore", opt_set_bool,
+                          &deps_fail_ignore,
+                          "don't fail if external dependencies are missing");
        opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
                           "\nA program for checking and guiding development"
                           " of CCAN modules.",
@@ -737,8 +659,8 @@ int main(int argc, char *argv[])
        opt_early_parse(argc, argv, opt_log_stderr_exit);
 
        /* We move into temporary directory, so gcov dumps its files there. */
-       if (chdir(temp_dir(talloc_autofree_context())) != 0)
-               err(1, "Error changing to %s temporary dir", temp_dir(NULL));
+       if (chdir(temp_dir()) != 0)
+               err(1, "Error changing to %s temporary dir", temp_dir());
 
        init_tests();
 
@@ -752,50 +674,45 @@ int main(int argc, char *argv[])
        opt_parse(&argc, argv, opt_log_stderr_exit);
 
        if (!targeting)
-               strmap_iterate(&tests, add_to_all, &all);
-
-       /* This links back to the module's test dir. */
-       testlink = talloc_asprintf(NULL, "%s/test", temp_dir(NULL));
-
-       /* Defaults to pwd. */
-       if (argc == 1) {
-               i = 1;
-               goto got_dir;
-       }
-
-       for (i = 1; i < argc; i++) {
-               unsigned int score, total_score;
-
-               dir = argv[i];
+               strmap_iterate(&tests, add_to_all, &top.node);
 
-               if (dir[0] != '/')
-                       dir = talloc_asprintf_append(NULL, "%s/%s",
-                                                    base_dir, dir);
-               while (strends(dir, "/"))
-                       dir[strlen(dir)-1] = '\0';
-
-       got_dir:
-               if (dir != base_dir)
-                       prefix = talloc_append_string(talloc_basename(NULL,dir),
-                                                     ": ");
-
-               m = get_manifest(talloc_autofree_context(), dir);
-
-               /* FIXME: This has to come after we've got manifest. */
-               if (i == 1)
-                       read_config_header();
-
-               /* Create a symlink from temp dir back to src dir's
-                * test directory. */
-               unlink(testlink);
-               if (symlink(talloc_asprintf(m, "%s/test", dir), testlink) != 0)
-                       err(1, "Creating test symlink in %s", temp_dir(NULL));
-
-               score = total_score = 0;
-               if (!run_tests(&all, summary, m, prefix))
-                       pass = false;
-
-               reset_tests(&all);
+       if (argc == 1)
+               dir = cwd;
+       else
+               dir = path_simplify(NULL, take(path_join(NULL, cwd, argv[1])));
+
+       ccan_dir = find_ccan_dir(dir);
+       if (!ccan_dir)
+               errx(1, "Cannot find ccan/ base directory in %s", dir);
+       config_header = read_config_header(ccan_dir, verbose > 1);
+
+       /* We do this after read_config_header has set compiler & cflags */
+       if (override_cflags)
+               cflags = override_cflags;
+       if (override_compiler)
+               compiler = override_compiler;
+       if (override_gcov)
+               gcov = override_gcov;
+
+       if (argc == 1)
+               pass = test_module(&top.node, cwd, "",
+                                  summary, deps_fail_ignore);
+       else {
+               for (i = 1; i < argc; i++) {
+                       dir = path_canon(NULL,
+                                        take(path_join(NULL, cwd, argv[i])));
+                       if (!dir)
+                               err(1, "Cannot get canonical name of '%s'",
+                                   argv[i]);
+
+                       prefix = path_join(NULL, ccan_dir, "ccan");
+                       prefix = path_rel(NULL, take(prefix), dir);
+                       prefix = tal_strcat(NULL, take(prefix), ": ");
+
+                       pass &= test_module(&top.node, dir, prefix, summary,
+                                           deps_fail_ignore);
+                       reset_tests(&top.node);
+               }
        }
        return pass ? 0 : 1;
 }