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-rw-r--r--t/helper/.gitignore9
-rw-r--r--t/helper/test-date.c27
-rw-r--r--t/helper/test-hashmap.c50
-rw-r--r--t/helper/test-lazy-init-name-hash.c12
-rw-r--r--t/helper/test-progress.c81
-rw-r--r--t/helper/test-read-cache.c5
-rw-r--r--t/helper/test-read-graph.c53
-rw-r--r--t/helper/test-run-command.c197
-rw-r--r--t/helper/test-tool.c2
-rw-r--r--t/helper/test-tool.h2
10 files changed, 381 insertions, 57 deletions
diff --git a/t/helper/.gitignore b/t/helper/.gitignore
index 2bad28af92..48c7bb0bbb 100644
--- a/t/helper/.gitignore
+++ b/t/helper/.gitignore
@@ -1,5 +1,4 @@
-*
-!*.sh
-!*.[ch]
-!*.gitignore
-
+/test-tool
+/test-fake-ssh
+/test-line-buffer
+/test-svn-fe
diff --git a/t/helper/test-date.c b/t/helper/test-date.c
index 585347ea48..099eff4f0f 100644
--- a/t/helper/test-date.c
+++ b/t/helper/test-date.c
@@ -12,13 +12,13 @@ static const char *usage_msg = "\n"
" test-tool date is64bit\n"
" test-tool date time_t-is64bit\n";
-static void show_relative_dates(const char **argv, struct timeval *now)
+static void show_relative_dates(const char **argv)
{
struct strbuf buf = STRBUF_INIT;
for (; *argv; argv++) {
time_t t = atoi(*argv);
- show_date_relative(t, now, &buf);
+ show_date_relative(t, &buf);
printf("%s -> %s\n", *argv, buf.buf);
}
strbuf_release(&buf);
@@ -74,20 +74,20 @@ static void parse_dates(const char **argv)
strbuf_release(&result);
}
-static void parse_approxidate(const char **argv, struct timeval *now)
+static void parse_approxidate(const char **argv)
{
for (; *argv; argv++) {
timestamp_t t;
- t = approxidate_relative(*argv, now);
+ t = approxidate_relative(*argv);
printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
}
}
-static void parse_approx_timestamp(const char **argv, struct timeval *now)
+static void parse_approx_timestamp(const char **argv)
{
for (; *argv; argv++) {
timestamp_t t;
- t = approxidate_relative(*argv, now);
+ t = approxidate_relative(*argv);
printf("%s -> %"PRItime"\n", *argv, t);
}
}
@@ -103,22 +103,13 @@ static void getnanos(const char **argv)
int cmd__date(int argc, const char **argv)
{
- struct timeval now;
const char *x;
- x = getenv("GIT_TEST_DATE_NOW");
- if (x) {
- now.tv_sec = atoi(x);
- now.tv_usec = 0;
- }
- else
- gettimeofday(&now, NULL);
-
argv++;
if (!*argv)
usage(usage_msg);
if (!strcmp(*argv, "relative"))
- show_relative_dates(argv+1, &now);
+ show_relative_dates(argv+1);
else if (!strcmp(*argv, "human"))
show_human_dates(argv+1);
else if (skip_prefix(*argv, "show:", &x))
@@ -126,9 +117,9 @@ int cmd__date(int argc, const char **argv)
else if (!strcmp(*argv, "parse"))
parse_dates(argv+1);
else if (!strcmp(*argv, "approxidate"))
- parse_approxidate(argv+1, &now);
+ parse_approxidate(argv+1);
else if (!strcmp(*argv, "timestamp"))
- parse_approx_timestamp(argv+1, &now);
+ parse_approx_timestamp(argv+1);
else if (!strcmp(*argv, "getnanos"))
getnanos(argv+1);
else if (!strcmp(*argv, "is64bit"))
diff --git a/t/helper/test-hashmap.c b/t/helper/test-hashmap.c
index aaf17b0ddf..f38706216f 100644
--- a/t/helper/test-hashmap.c
+++ b/t/helper/test-hashmap.c
@@ -5,6 +5,7 @@
struct test_entry
{
+ int padding; /* hashmap entry no longer needs to be the first member */
struct hashmap_entry ent;
/* key and value as two \0-terminated strings */
char key[FLEX_ARRAY];
@@ -16,15 +17,17 @@ static const char *get_value(const struct test_entry *e)
}
static int test_entry_cmp(const void *cmp_data,
- const void *entry,
- const void *entry_or_key,
+ const struct hashmap_entry *eptr,
+ const struct hashmap_entry *entry_or_key,
const void *keydata)
{
const int ignore_case = cmp_data ? *((int *)cmp_data) : 0;
- const struct test_entry *e1 = entry;
- const struct test_entry *e2 = entry_or_key;
+ const struct test_entry *e1, *e2;
const char *key = keydata;
+ e1 = container_of(eptr, const struct test_entry, ent);
+ e2 = container_of(entry_or_key, const struct test_entry, ent);
+
if (ignore_case)
return strcasecmp(e1->key, key ? key : e2->key);
else
@@ -37,7 +40,7 @@ static struct test_entry *alloc_test_entry(unsigned int hash,
size_t klen = strlen(key);
size_t vlen = strlen(value);
struct test_entry *entry = xmalloc(st_add4(sizeof(*entry), klen, vlen, 2));
- hashmap_entry_init(entry, hash);
+ hashmap_entry_init(&entry->ent, hash);
memcpy(entry->key, key, klen + 1);
memcpy(entry->key + klen + 1, value, vlen + 1);
return entry;
@@ -103,11 +106,11 @@ static void perf_hashmap(unsigned int method, unsigned int rounds)
/* add entries */
for (i = 0; i < TEST_SIZE; i++) {
- hashmap_entry_init(entries[i], hashes[i]);
- hashmap_add(&map, entries[i]);
+ hashmap_entry_init(&entries[i]->ent, hashes[i]);
+ hashmap_add(&map, &entries[i]->ent);
}
- hashmap_free(&map, 0);
+ hashmap_free(&map);
}
} else {
/* test map lookups */
@@ -116,8 +119,8 @@ static void perf_hashmap(unsigned int method, unsigned int rounds)
/* fill the map (sparsely if specified) */
j = (method & TEST_SPARSE) ? TEST_SIZE / 10 : TEST_SIZE;
for (i = 0; i < j; i++) {
- hashmap_entry_init(entries[i], hashes[i]);
- hashmap_add(&map, entries[i]);
+ hashmap_entry_init(&entries[i]->ent, hashes[i]);
+ hashmap_add(&map, &entries[i]->ent);
}
for (j = 0; j < rounds; j++) {
@@ -127,7 +130,7 @@ static void perf_hashmap(unsigned int method, unsigned int rounds)
}
}
- hashmap_free(&map, 0);
+ hashmap_free(&map);
}
}
@@ -179,7 +182,7 @@ int cmd__hashmap(int argc, const char **argv)
entry = alloc_test_entry(hash, p1, p2);
/* add to hashmap */
- hashmap_add(&map, entry);
+ hashmap_add(&map, &entry->ent);
} else if (!strcmp("put", cmd) && p1 && p2) {
@@ -187,43 +190,44 @@ int cmd__hashmap(int argc, const char **argv)
entry = alloc_test_entry(hash, p1, p2);
/* add / replace entry */
- entry = hashmap_put(&map, entry);
+ entry = hashmap_put_entry(&map, entry, ent);
/* print and free replaced entry, if any */
puts(entry ? get_value(entry) : "NULL");
free(entry);
} else if (!strcmp("get", cmd) && p1) {
-
/* lookup entry in hashmap */
- entry = hashmap_get_from_hash(&map, hash, p1);
+ entry = hashmap_get_entry_from_hash(&map, hash, p1,
+ struct test_entry, ent);
/* print result */
if (!entry)
puts("NULL");
- while (entry) {
+ hashmap_for_each_entry_from(&map, entry, ent)
puts(get_value(entry));
- entry = hashmap_get_next(&map, entry);
- }
} else if (!strcmp("remove", cmd) && p1) {
/* setup static key */
struct hashmap_entry key;
+ struct hashmap_entry *rm;
hashmap_entry_init(&key, hash);
/* remove entry from hashmap */
- entry = hashmap_remove(&map, &key, p1);
+ rm = hashmap_remove(&map, &key, p1);
+ entry = rm ? container_of(rm, struct test_entry, ent)
+ : NULL;
/* print result and free entry*/
puts(entry ? get_value(entry) : "NULL");
free(entry);
} else if (!strcmp("iterate", cmd)) {
-
struct hashmap_iter iter;
- hashmap_iter_init(&map, &iter);
- while ((entry = hashmap_iter_next(&iter)))
+
+ hashmap_for_each_entry(&map, &iter, entry,
+ ent /* member name */)
printf("%s %s\n", entry->key, get_value(entry));
} else if (!strcmp("size", cmd)) {
@@ -258,6 +262,6 @@ int cmd__hashmap(int argc, const char **argv)
}
strbuf_release(&line);
- hashmap_free(&map, 1);
+ hashmap_free_entries(&map, struct test_entry, ent);
return 0;
}
diff --git a/t/helper/test-lazy-init-name-hash.c b/t/helper/test-lazy-init-name-hash.c
index b99a37080d..cd1b4c9736 100644
--- a/t/helper/test-lazy-init-name-hash.c
+++ b/t/helper/test-lazy-init-name-hash.c
@@ -41,17 +41,13 @@ static void dump_run(void)
die("non-threaded code path used");
}
- dir = hashmap_iter_first(&the_index.dir_hash, &iter_dir);
- while (dir) {
+ hashmap_for_each_entry(&the_index.dir_hash, &iter_dir, dir,
+ ent /* member name */)
printf("dir %08x %7d %s\n", dir->ent.hash, dir->nr, dir->name);
- dir = hashmap_iter_next(&iter_dir);
- }
- ce = hashmap_iter_first(&the_index.name_hash, &iter_cache);
- while (ce) {
+ hashmap_for_each_entry(&the_index.name_hash, &iter_cache, ce,
+ ent /* member name */)
printf("name %08x %s\n", ce->ent.hash, ce->name);
- ce = hashmap_iter_next(&iter_cache);
- }
discard_cache();
}
diff --git a/t/helper/test-progress.c b/t/helper/test-progress.c
new file mode 100644
index 0000000000..42b96cb103
--- /dev/null
+++ b/t/helper/test-progress.c
@@ -0,0 +1,81 @@
+/*
+ * A test helper to exercise the progress display.
+ *
+ * Reads instructions from standard input, one instruction per line:
+ *
+ * "progress <items>" - Call display_progress() with the given item count
+ * as parameter.
+ * "throughput <bytes> <millis> - Call display_throughput() with the given
+ * byte count as parameter. The 'millis'
+ * specify the time elapsed since the
+ * start_progress() call.
+ * "update" - Set the 'progress_update' flag.
+ *
+ * See 't0500-progress-display.sh' for examples.
+ */
+#include "test-tool.h"
+#include "gettext.h"
+#include "parse-options.h"
+#include "progress.h"
+#include "strbuf.h"
+
+/*
+ * These are defined in 'progress.c', but are not exposed in 'progress.h',
+ * because they are exclusively for testing.
+ */
+extern int progress_testing;
+extern uint64_t progress_test_ns;
+void progress_test_force_update(void);
+
+int cmd__progress(int argc, const char **argv)
+{
+ int total = 0;
+ const char *title;
+ struct strbuf line = STRBUF_INIT;
+ struct progress *progress;
+
+ const char *usage[] = {
+ "test-tool progress [--total=<n>] <progress-title>",
+ NULL
+ };
+ struct option options[] = {
+ OPT_INTEGER(0, "total", &total, "total number of items"),
+ OPT_END(),
+ };
+
+ argc = parse_options(argc, argv, NULL, options, usage, 0);
+ if (argc != 1)
+ die("need a title for the progress output");
+ title = argv[0];
+
+ progress_testing = 1;
+ progress = start_progress(title, total);
+ while (strbuf_getline(&line, stdin) != EOF) {
+ char *end;
+
+ if (skip_prefix(line.buf, "progress ", (const char **) &end)) {
+ uint64_t item_count = strtoull(end, &end, 10);
+ if (*end != '\0')
+ die("invalid input: '%s'\n", line.buf);
+ display_progress(progress, item_count);
+ } else if (skip_prefix(line.buf, "throughput ",
+ (const char **) &end)) {
+ uint64_t byte_count, test_ms;
+
+ byte_count = strtoull(end, &end, 10);
+ if (*end != ' ')
+ die("invalid input: '%s'\n", line.buf);
+ test_ms = strtoull(end + 1, &end, 10);
+ if (*end != '\0')
+ die("invalid input: '%s'\n", line.buf);
+ progress_test_ns = test_ms * 1000 * 1000;
+ display_throughput(progress, byte_count);
+ } else if (!strcmp(line.buf, "update"))
+ progress_test_force_update();
+ else
+ die("invalid input: '%s'\n", line.buf);
+ }
+ stop_progress(&progress);
+
+ return 0;
+}
diff --git a/t/helper/test-read-cache.c b/t/helper/test-read-cache.c
index 7e79b555de..244977a29b 100644
--- a/t/helper/test-read-cache.c
+++ b/t/helper/test-read-cache.c
@@ -4,11 +4,10 @@
int cmd__read_cache(int argc, const char **argv)
{
- int i, cnt = 1, namelen;
+ int i, cnt = 1;
const char *name = NULL;
if (argc > 1 && skip_prefix(argv[1], "--print-and-refresh=", &name)) {
- namelen = strlen(name);
argc--;
argv++;
}
@@ -24,7 +23,7 @@ int cmd__read_cache(int argc, const char **argv)
refresh_index(&the_index, REFRESH_QUIET,
NULL, NULL, NULL);
- pos = index_name_pos(&the_index, name, namelen);
+ pos = index_name_pos(&the_index, name, strlen(name));
if (pos < 0)
die("%s not in index", name);
printf("%s is%s up to date\n", name,
diff --git a/t/helper/test-read-graph.c b/t/helper/test-read-graph.c
new file mode 100644
index 0000000000..d2884efe0a
--- /dev/null
+++ b/t/helper/test-read-graph.c
@@ -0,0 +1,53 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "commit-graph.h"
+#include "repository.h"
+#include "object-store.h"
+
+int cmd__read_graph(int argc, const char **argv)
+{
+ struct commit_graph *graph = NULL;
+ char *graph_name;
+ int open_ok;
+ int fd;
+ struct stat st;
+ const char *object_dir;
+
+ setup_git_directory();
+ object_dir = get_object_directory();
+
+ graph_name = get_commit_graph_filename(object_dir);
+
+ open_ok = open_commit_graph(graph_name, &fd, &st);
+ if (!open_ok)
+ die_errno(_("Could not open commit-graph '%s'"), graph_name);
+
+ graph = load_commit_graph_one_fd_st(fd, &st);
+ if (!graph)
+ return 1;
+
+ FREE_AND_NULL(graph_name);
+
+ printf("header: %08x %d %d %d %d\n",
+ ntohl(*(uint32_t*)graph->data),
+ *(unsigned char*)(graph->data + 4),
+ *(unsigned char*)(graph->data + 5),
+ *(unsigned char*)(graph->data + 6),
+ *(unsigned char*)(graph->data + 7));
+ printf("num_commits: %u\n", graph->num_commits);
+ printf("chunks:");
+
+ if (graph->chunk_oid_fanout)
+ printf(" oid_fanout");
+ if (graph->chunk_oid_lookup)
+ printf(" oid_lookup");
+ if (graph->chunk_commit_data)
+ printf(" commit_metadata");
+ if (graph->chunk_extra_edges)
+ printf(" extra_edges");
+ printf("\n");
+
+ UNLEAK(graph);
+
+ return 0;
+}
diff --git a/t/helper/test-run-command.c b/t/helper/test-run-command.c
index 8579b1f7d1..1646aa25d8 100644
--- a/t/helper/test-run-command.c
+++ b/t/helper/test-run-command.c
@@ -10,9 +10,14 @@
#include "test-tool.h"
#include "git-compat-util.h"
+#include "cache.h"
#include "run-command.h"
#include "argv-array.h"
#include "strbuf.h"
+#include "parse-options.h"
+#include "string-list.h"
+#include "thread-utils.h"
+#include "wildmatch.h"
#include "gettext.h"
#include "parse-options.h"
@@ -50,6 +55,151 @@ static int task_finished(int result,
return 1;
}
+struct testsuite {
+ struct string_list tests, failed;
+ int next;
+ int quiet, immediate, verbose, verbose_log, trace, write_junit_xml;
+};
+#define TESTSUITE_INIT \
+ { STRING_LIST_INIT_DUP, STRING_LIST_INIT_DUP, -1, 0, 0, 0, 0, 0, 0 }
+
+static int next_test(struct child_process *cp, struct strbuf *err, void *cb,
+ void **task_cb)
+{
+ struct testsuite *suite = cb;
+ const char *test;
+ if (suite->next >= suite->tests.nr)
+ return 0;
+
+ test = suite->tests.items[suite->next++].string;
+ argv_array_pushl(&cp->args, "sh", test, NULL);
+ if (suite->quiet)
+ argv_array_push(&cp->args, "--quiet");
+ if (suite->immediate)
+ argv_array_push(&cp->args, "-i");
+ if (suite->verbose)
+ argv_array_push(&cp->args, "-v");
+ if (suite->verbose_log)
+ argv_array_push(&cp->args, "-V");
+ if (suite->trace)
+ argv_array_push(&cp->args, "-x");
+ if (suite->write_junit_xml)
+ argv_array_push(&cp->args, "--write-junit-xml");
+
+ strbuf_addf(err, "Output of '%s':\n", test);
+ *task_cb = (void *)test;
+
+ return 1;
+}
+
+static int test_finished(int result, struct strbuf *err, void *cb,
+ void *task_cb)
+{
+ struct testsuite *suite = cb;
+ const char *name = (const char *)task_cb;
+
+ if (result)
+ string_list_append(&suite->failed, name);
+
+ strbuf_addf(err, "%s: '%s'\n", result ? "FAIL" : "SUCCESS", name);
+
+ return 0;
+}
+
+static int test_failed(struct strbuf *out, void *cb, void *task_cb)
+{
+ struct testsuite *suite = cb;
+ const char *name = (const char *)task_cb;
+
+ string_list_append(&suite->failed, name);
+ strbuf_addf(out, "FAILED TO START: '%s'\n", name);
+
+ return 0;
+}
+
+static const char * const testsuite_usage[] = {
+ "test-run-command testsuite [<options>] [<pattern>...]",
+ NULL
+};
+
+static int testsuite(int argc, const char **argv)
+{
+ struct testsuite suite = TESTSUITE_INIT;
+ int max_jobs = 1, i, ret;
+ DIR *dir;
+ struct dirent *d;
+ struct option options[] = {
+ OPT_BOOL('i', "immediate", &suite.immediate,
+ "stop at first failed test case(s)"),
+ OPT_INTEGER('j', "jobs", &max_jobs, "run <N> jobs in parallel"),
+ OPT_BOOL('q', "quiet", &suite.quiet, "be terse"),
+ OPT_BOOL('v', "verbose", &suite.verbose, "be verbose"),
+ OPT_BOOL('V', "verbose-log", &suite.verbose_log,
+ "be verbose, redirected to a file"),
+ OPT_BOOL('x', "trace", &suite.trace, "trace shell commands"),
+ OPT_BOOL(0, "write-junit-xml", &suite.write_junit_xml,
+ "write JUnit-style XML files"),
+ OPT_END()
+ };
+
+ memset(&suite, 0, sizeof(suite));
+ suite.tests.strdup_strings = suite.failed.strdup_strings = 1;
+
+ argc = parse_options(argc, argv, NULL, options,
+ testsuite_usage, PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (max_jobs <= 0)
+ max_jobs = online_cpus();
+
+ dir = opendir(".");
+ if (!dir)
+ die("Could not open the current directory");
+ while ((d = readdir(dir))) {
+ const char *p = d->d_name;
+
+ if (*p != 't' || !isdigit(p[1]) || !isdigit(p[2]) ||
+ !isdigit(p[3]) || !isdigit(p[4]) || p[5] != '-' ||
+ !ends_with(p, ".sh"))
+ continue;
+
+ /* No pattern: match all */
+ if (!argc) {
+ string_list_append(&suite.tests, p);
+ continue;
+ }
+
+ for (i = 0; i < argc; i++)
+ if (!wildmatch(argv[i], p, 0)) {
+ string_list_append(&suite.tests, p);
+ break;
+ }
+ }
+ closedir(dir);
+
+ if (!suite.tests.nr)
+ die("No tests match!");
+ if (max_jobs > suite.tests.nr)
+ max_jobs = suite.tests.nr;
+
+ fprintf(stderr, "Running %d tests (%d at a time)\n",
+ suite.tests.nr, max_jobs);
+
+ ret = run_processes_parallel(max_jobs, next_test, test_failed,
+ test_finished, &suite);
+
+ if (suite.failed.nr > 0) {
+ ret = 1;
+ fprintf(stderr, "%d tests failed:\n\n", suite.failed.nr);
+ for (i = 0; i < suite.failed.nr; i++)
+ fprintf(stderr, "\t%s\n", suite.failed.items[i].string);
+ }
+
+ string_list_clear(&suite.tests, 0);
+ string_list_clear(&suite.failed, 0);
+
+ return !!ret;
+}
+
static uint64_t my_random_next = 1234;
static uint64_t my_random(void)
@@ -178,11 +328,58 @@ static int quote_echo(int argc, const char **argv)
return 0;
}
+static int inherit_handle(const char *argv0)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ char path[PATH_MAX];
+ int tmp;
+
+ /* First, open an inheritable handle */
+ xsnprintf(path, sizeof(path), "out-XXXXXX");
+ tmp = xmkstemp(path);
+
+ argv_array_pushl(&cp.args,
+ "test-tool", argv0, "inherited-handle-child", NULL);
+ cp.in = -1;
+ cp.no_stdout = cp.no_stderr = 1;
+ if (start_command(&cp) < 0)
+ die("Could not start child process");
+
+ /* Then close it, and try to delete it. */
+ close(tmp);
+ if (unlink(path))
+ die("Could not delete '%s'", path);
+
+ if (close(cp.in) < 0 || finish_command(&cp) < 0)
+ die("Child did not finish");
+
+ return 0;
+}
+
+static int inherit_handle_child(void)
+{
+ struct strbuf buf = STRBUF_INIT;
+
+ if (strbuf_read(&buf, 0, 0) < 0)
+ die("Could not read stdin");
+ printf("Received %s\n", buf.buf);
+ strbuf_release(&buf);
+
+ return 0;
+}
+
int cmd__run_command(int argc, const char **argv)
{
struct child_process proc = CHILD_PROCESS_INIT;
int jobs;
+ if (argc > 1 && !strcmp(argv[1], "testsuite"))
+ exit(testsuite(argc - 1, argv + 1));
+ if (!strcmp(argv[1], "inherited-handle"))
+ exit(inherit_handle(argv[0]));
+ if (!strcmp(argv[1], "inherited-handle-child"))
+ exit(inherit_handle_child());
+
if (argc >= 2 && !strcmp(argv[1], "quote-stress-test"))
return !!quote_stress_test(argc - 1, argv + 1);
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index ce7e89028c..f20989d449 100644
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -42,8 +42,10 @@ static struct test_cmd cmds[] = {
{ "path-utils", cmd__path_utils },
{ "pkt-line", cmd__pkt_line },
{ "prio-queue", cmd__prio_queue },
+ { "progress", cmd__progress },
{ "reach", cmd__reach },
{ "read-cache", cmd__read_cache },
+ { "read-graph", cmd__read_graph },
{ "read-midx", cmd__read_midx },
{ "ref-store", cmd__ref_store },
{ "regex", cmd__regex },
diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h
index f805bb39ae..8ed2af71d1 100644
--- a/t/helper/test-tool.h
+++ b/t/helper/test-tool.h
@@ -32,8 +32,10 @@ int cmd__parse_options(int argc, const char **argv);
int cmd__path_utils(int argc, const char **argv);
int cmd__pkt_line(int argc, const char **argv);
int cmd__prio_queue(int argc, const char **argv);
+int cmd__progress(int argc, const char **argv);
int cmd__reach(int argc, const char **argv);
int cmd__read_cache(int argc, const char **argv);
+int cmd__read_graph(int argc, const char **argv);
int cmd__read_midx(int argc, const char **argv);
int cmd__ref_store(int argc, const char **argv);
int cmd__regex(int argc, const char **argv);