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-rw-r--r--t/helper/test-bitmap.c24
-rw-r--r--t/helper/test-bloom.c2
-rw-r--r--t/helper/test-chmtime.c4
-rw-r--r--t/helper/test-example-decorate.c6
-rw-r--r--t/helper/test-fast-rebase.c54
-rw-r--r--t/helper/test-path-utils.c46
-rw-r--r--t/helper/test-read-cache.c66
-rw-r--r--t/helper/test-read-midx.c24
-rw-r--r--t/helper/test-simple-ipc.c787
-rw-r--r--t/helper/test-submodule-nested-repo-config.c2
-rw-r--r--t/helper/test-tool.c3
-rw-r--r--t/helper/test-tool.h3
-rw-r--r--t/helper/test-userdiff.c46
13 files changed, 1013 insertions, 54 deletions
diff --git a/t/helper/test-bitmap.c b/t/helper/test-bitmap.c
new file mode 100644
index 0000000..134a1e9
--- /dev/null
+++ b/t/helper/test-bitmap.c
@@ -0,0 +1,24 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "pack-bitmap.h"
+
+static int bitmap_list_commits(void)
+{
+ return test_bitmap_commits(the_repository);
+}
+
+int cmd__bitmap(int argc, const char **argv)
+{
+ setup_git_directory();
+
+ if (argc != 2)
+ goto usage;
+
+ if (!strcmp(argv[1], "list-commits"))
+ return bitmap_list_commits();
+
+usage:
+ usage("\ttest-tool bitmap list-commits");
+
+ return -1;
+}
diff --git a/t/helper/test-bloom.c b/t/helper/test-bloom.c
index 2a1ae3d..ad3ef1c 100644
--- a/t/helper/test-bloom.c
+++ b/t/helper/test-bloom.c
@@ -48,7 +48,7 @@ static void get_bloom_filter_for_commit(const struct object_id *commit_oid)
static const char *bloom_usage = "\n"
" test-tool bloom get_murmur3 <string>\n"
" test-tool bloom generate_filter <string> [<string>...]\n"
-" test-tool get_filter_for_commit <commit-hex>\n";
+" test-tool bloom get_filter_for_commit <commit-hex>\n";
int cmd__bloom(int argc, const char **argv)
{
diff --git a/t/helper/test-chmtime.c b/t/helper/test-chmtime.c
index aa22af4..524b55c 100644
--- a/t/helper/test-chmtime.c
+++ b/t/helper/test-chmtime.c
@@ -109,9 +109,9 @@ int cmd__chmtime(int argc, const char **argv)
uintmax_t mtime;
if (stat(argv[i], &sb) < 0) {
- fprintf(stderr, "Failed to stat %s: %s\n",
+ fprintf(stderr, "Failed to stat %s: %s. Skipping\n",
argv[i], strerror(errno));
- return 1;
+ continue;
}
#ifdef GIT_WINDOWS_NATIVE
diff --git a/t/helper/test-example-decorate.c b/t/helper/test-example-decorate.c
index c8a1cde..b9d1200 100644
--- a/t/helper/test-example-decorate.c
+++ b/t/helper/test-example-decorate.c
@@ -26,8 +26,8 @@ int cmd__example_decorate(int argc, const char **argv)
* Add 2 objects, one with a non-NULL decoration and one with a NULL
* decoration.
*/
- one = lookup_unknown_object(&one_oid);
- two = lookup_unknown_object(&two_oid);
+ one = lookup_unknown_object(the_repository, &one_oid);
+ two = lookup_unknown_object(the_repository, &two_oid);
ret = add_decoration(&n, one, &decoration_a);
if (ret)
BUG("when adding a brand-new object, NULL should be returned");
@@ -56,7 +56,7 @@ int cmd__example_decorate(int argc, const char **argv)
ret = lookup_decoration(&n, two);
if (ret != &decoration_b)
BUG("lookup should return added declaration");
- three = lookup_unknown_object(&three_oid);
+ three = lookup_unknown_object(the_repository, &three_oid);
ret = lookup_decoration(&n, three);
if (ret)
BUG("lookup for unknown object should return NULL");
diff --git a/t/helper/test-fast-rebase.c b/t/helper/test-fast-rebase.c
index 3732122..fc2d460 100644
--- a/t/helper/test-fast-rebase.c
+++ b/t/helper/test-fast-rebase.c
@@ -91,7 +91,6 @@ int cmd__fast_rebase(int argc, const char **argv)
struct commit *last_commit = NULL, *last_picked_commit = NULL;
struct object_id head;
struct lock_file lock = LOCK_INIT;
- int clean = 1;
struct strvec rev_walk_args = STRVEC_INIT;
struct rev_info revs;
struct commit *commit;
@@ -124,7 +123,8 @@ int cmd__fast_rebase(int argc, const char **argv)
assert(oideq(&onto->object.oid, &head));
hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
- assert(repo_read_index(the_repository) >= 0);
+ if (repo_read_index(the_repository) < 0)
+ BUG("Could not read index");
repo_init_revisions(the_repository, &revs, NULL);
revs.verbose_header = 1;
@@ -175,11 +175,10 @@ int cmd__fast_rebase(int argc, const char **argv)
free((char*)merge_opt.ancestor);
merge_opt.ancestor = NULL;
if (!result.clean)
- die("Aborting: Hit a conflict and restarting is not implemented.");
+ break;
last_picked_commit = commit;
last_commit = create_commit(result.tree, commit, last_commit);
}
- fprintf(stderr, "\nDone.\n");
/* TODO: There should be some kind of rev_info_free(&revs) call... */
memset(&revs, 0, sizeof(revs));
@@ -188,24 +187,39 @@ int cmd__fast_rebase(int argc, const char **argv)
if (result.clean < 0)
exit(128);
- strbuf_addf(&reflog_msg, "finish rebase %s onto %s",
- oid_to_hex(&last_picked_commit->object.oid),
- oid_to_hex(&last_commit->object.oid));
- if (update_ref(reflog_msg.buf, branch_name.buf,
- &last_commit->object.oid,
- &last_picked_commit->object.oid,
- REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) {
- error(_("could not update %s"), argv[4]);
- die("Failed to update %s", argv[4]);
+ if (result.clean) {
+ fprintf(stderr, "\nDone.\n");
+ strbuf_addf(&reflog_msg, "finish rebase %s onto %s",
+ oid_to_hex(&last_picked_commit->object.oid),
+ oid_to_hex(&last_commit->object.oid));
+ if (update_ref(reflog_msg.buf, branch_name.buf,
+ &last_commit->object.oid,
+ &last_picked_commit->object.oid,
+ REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) {
+ error(_("could not update %s"), argv[4]);
+ die("Failed to update %s", argv[4]);
+ }
+ if (create_symref("HEAD", branch_name.buf, reflog_msg.buf) < 0)
+ die(_("unable to update HEAD"));
+ strbuf_release(&reflog_msg);
+ strbuf_release(&branch_name);
+
+ prime_cache_tree(the_repository, the_repository->index,
+ result.tree);
+ } else {
+ fprintf(stderr, "\nAborting: Hit a conflict.\n");
+ strbuf_addf(&reflog_msg, "rebase progress up to %s",
+ oid_to_hex(&last_picked_commit->object.oid));
+ if (update_ref(reflog_msg.buf, "HEAD",
+ &last_commit->object.oid,
+ &head,
+ REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) {
+ error(_("could not update %s"), argv[4]);
+ die("Failed to update %s", argv[4]);
+ }
}
- if (create_symref("HEAD", branch_name.buf, reflog_msg.buf) < 0)
- die(_("unable to update HEAD"));
- strbuf_release(&reflog_msg);
- strbuf_release(&branch_name);
-
- prime_cache_tree(the_repository, the_repository->index, result.tree);
if (write_locked_index(&the_index, &lock,
COMMIT_LOCK | SKIP_IF_UNCHANGED))
die(_("unable to write %s"), get_index_file());
- return (clean == 0);
+ return (result.clean == 0);
}
diff --git a/t/helper/test-path-utils.c b/t/helper/test-path-utils.c
index 313a153..229ed41 100644
--- a/t/helper/test-path-utils.c
+++ b/t/helper/test-path-utils.c
@@ -172,9 +172,22 @@ static struct test_data dirname_data[] = {
{ NULL, NULL }
};
-static int is_dotgitmodules(const char *path)
+static int check_dotfile(const char *x, const char **argv,
+ int (*is_hfs)(const char *),
+ int (*is_ntfs)(const char *))
{
- return is_hfs_dotgitmodules(path) || is_ntfs_dotgitmodules(path);
+ int res = 0, expect = 1;
+ for (; *argv; argv++) {
+ if (!strcmp("--not", *argv))
+ expect = !expect;
+ else if (expect != (is_hfs(*argv) || is_ntfs(*argv)))
+ res = error("'%s' is %s.git%s", *argv,
+ expect ? "not " : "", x);
+ else
+ fprintf(stderr, "ok: '%s' is %s.git%s\n",
+ *argv, expect ? "" : "not ", x);
+ }
+ return !!res;
}
static int cmp_by_st_size(const void *a, const void *b)
@@ -382,17 +395,24 @@ int cmd__path_utils(int argc, const char **argv)
return test_function(dirname_data, posix_dirname, argv[1]);
if (argc > 2 && !strcmp(argv[1], "is_dotgitmodules")) {
- int res = 0, expect = 1, i;
- for (i = 2; i < argc; i++)
- if (!strcmp("--not", argv[i]))
- expect = !expect;
- else if (expect != is_dotgitmodules(argv[i]))
- res = error("'%s' is %s.gitmodules", argv[i],
- expect ? "not " : "");
- else
- fprintf(stderr, "ok: '%s' is %s.gitmodules\n",
- argv[i], expect ? "" : "not ");
- return !!res;
+ return check_dotfile("modules", argv + 2,
+ is_hfs_dotgitmodules,
+ is_ntfs_dotgitmodules);
+ }
+ if (argc > 2 && !strcmp(argv[1], "is_dotgitignore")) {
+ return check_dotfile("ignore", argv + 2,
+ is_hfs_dotgitignore,
+ is_ntfs_dotgitignore);
+ }
+ if (argc > 2 && !strcmp(argv[1], "is_dotgitattributes")) {
+ return check_dotfile("attributes", argv + 2,
+ is_hfs_dotgitattributes,
+ is_ntfs_dotgitattributes);
+ }
+ if (argc > 2 && !strcmp(argv[1], "is_dotmailmap")) {
+ return check_dotfile("mailmap", argv + 2,
+ is_hfs_dotmailmap,
+ is_ntfs_dotmailmap);
}
if (argc > 2 && !strcmp(argv[1], "file-size")) {
diff --git a/t/helper/test-read-cache.c b/t/helper/test-read-cache.c
index 244977a..b52c174 100644
--- a/t/helper/test-read-cache.c
+++ b/t/helper/test-read-cache.c
@@ -1,36 +1,82 @@
#include "test-tool.h"
#include "cache.h"
#include "config.h"
+#include "blob.h"
+#include "commit.h"
+#include "tree.h"
+#include "sparse-index.h"
+
+static void print_cache_entry(struct cache_entry *ce)
+{
+ const char *type;
+ printf("%06o ", ce->ce_mode & 0177777);
+
+ if (S_ISSPARSEDIR(ce->ce_mode))
+ type = tree_type;
+ else if (S_ISGITLINK(ce->ce_mode))
+ type = commit_type;
+ else
+ type = blob_type;
+
+ printf("%s %s\t%s\n",
+ type,
+ oid_to_hex(&ce->oid),
+ ce->name);
+}
+
+static void print_cache(struct index_state *istate)
+{
+ int i;
+ for (i = 0; i < istate->cache_nr; i++)
+ print_cache_entry(istate->cache[i]);
+}
int cmd__read_cache(int argc, const char **argv)
{
+ struct repository *r = the_repository;
int i, cnt = 1;
const char *name = NULL;
+ int table = 0, expand = 0;
+
+ initialize_the_repository();
+ prepare_repo_settings(r);
+ r->settings.command_requires_full_index = 0;
- if (argc > 1 && skip_prefix(argv[1], "--print-and-refresh=", &name)) {
- argc--;
- argv++;
+ for (++argv, --argc; *argv && starts_with(*argv, "--"); ++argv, --argc) {
+ if (skip_prefix(*argv, "--print-and-refresh=", &name))
+ continue;
+ if (!strcmp(*argv, "--table"))
+ table = 1;
+ else if (!strcmp(*argv, "--expand"))
+ expand = 1;
}
- if (argc == 2)
- cnt = strtol(argv[1], NULL, 0);
+ if (argc == 1)
+ cnt = strtol(argv[0], NULL, 0);
setup_git_directory();
git_config(git_default_config, NULL);
+
for (i = 0; i < cnt; i++) {
- read_cache();
+ repo_read_index(r);
+
+ if (expand)
+ ensure_full_index(r->index);
+
if (name) {
int pos;
- refresh_index(&the_index, REFRESH_QUIET,
+ refresh_index(r->index, REFRESH_QUIET,
NULL, NULL, NULL);
- pos = index_name_pos(&the_index, name, strlen(name));
+ pos = index_name_pos(r->index, name, strlen(name));
if (pos < 0)
die("%s not in index", name);
printf("%s is%s up to date\n", name,
- ce_uptodate(the_index.cache[pos]) ? "" : " not");
+ ce_uptodate(r->index->cache[pos]) ? "" : " not");
write_file(name, "%d\n", i);
}
- discard_cache();
+ if (table)
+ print_cache(r->index);
+ discard_index(r->index);
}
return 0;
}
diff --git a/t/helper/test-read-midx.c b/t/helper/test-read-midx.c
index 2430880..7c2eb11 100644
--- a/t/helper/test-read-midx.c
+++ b/t/helper/test-read-midx.c
@@ -4,7 +4,7 @@
#include "repository.h"
#include "object-store.h"
-static int read_midx_file(const char *object_dir)
+static int read_midx_file(const char *object_dir, int show_objects)
{
uint32_t i;
struct multi_pack_index *m;
@@ -43,13 +43,29 @@ static int read_midx_file(const char *object_dir)
printf("object-dir: %s\n", m->object_dir);
+ if (show_objects) {
+ struct object_id oid;
+ struct pack_entry e;
+
+ for (i = 0; i < m->num_objects; i++) {
+ nth_midxed_object_oid(&oid, m, i);
+ fill_midx_entry(the_repository, &oid, &e, m);
+
+ printf("%s %"PRIu64"\t%s\n",
+ oid_to_hex(&oid), e.offset, e.p->pack_name);
+ }
+ return 0;
+ }
+
return 0;
}
int cmd__read_midx(int argc, const char **argv)
{
- if (argc != 2)
- usage("read-midx <object-dir>");
+ if (!(argc == 2 || argc == 3))
+ usage("read-midx [--show-objects] <object-dir>");
- return read_midx_file(argv[1]);
+ if (!strcmp(argv[1], "--show-objects"))
+ return read_midx_file(argv[2], 1);
+ return read_midx_file(argv[1], 0);
}
diff --git a/t/helper/test-simple-ipc.c b/t/helper/test-simple-ipc.c
new file mode 100644
index 0000000..42040ef
--- /dev/null
+++ b/t/helper/test-simple-ipc.c
@@ -0,0 +1,787 @@
+/*
+ * test-simple-ipc.c: verify that the Inter-Process Communication works.
+ */
+
+#include "test-tool.h"
+#include "cache.h"
+#include "strbuf.h"
+#include "simple-ipc.h"
+#include "parse-options.h"
+#include "thread-utils.h"
+#include "strvec.h"
+
+#ifndef SUPPORTS_SIMPLE_IPC
+int cmd__simple_ipc(int argc, const char **argv)
+{
+ die("simple IPC not available on this platform");
+}
+#else
+
+/*
+ * The test daemon defines an "application callback" that supports a
+ * series of commands (see `test_app_cb()`).
+ *
+ * Unknown commands are caught here and we send an error message back
+ * to the client process.
+ */
+static int app__unhandled_command(const char *command,
+ ipc_server_reply_cb *reply_cb,
+ struct ipc_server_reply_data *reply_data)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int ret;
+
+ strbuf_addf(&buf, "unhandled command: %s", command);
+ ret = reply_cb(reply_data, buf.buf, buf.len);
+ strbuf_release(&buf);
+
+ return ret;
+}
+
+/*
+ * Reply with a single very large buffer. This is to ensure that
+ * long response are properly handled -- whether the chunking occurs
+ * in the kernel or in the (probably pkt-line) layer.
+ */
+#define BIG_ROWS (10000)
+static int app__big_command(ipc_server_reply_cb *reply_cb,
+ struct ipc_server_reply_data *reply_data)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int row;
+ int ret;
+
+ for (row = 0; row < BIG_ROWS; row++)
+ strbuf_addf(&buf, "big: %.75d\n", row);
+
+ ret = reply_cb(reply_data, buf.buf, buf.len);
+ strbuf_release(&buf);
+
+ return ret;
+}
+
+/*
+ * Reply with a series of lines. This is to ensure that we can incrementally
+ * compute the response and chunk it to the client.
+ */
+#define CHUNK_ROWS (10000)
+static int app__chunk_command(ipc_server_reply_cb *reply_cb,
+ struct ipc_server_reply_data *reply_data)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int row;
+ int ret;
+
+ for (row = 0; row < CHUNK_ROWS; row++) {
+ strbuf_setlen(&buf, 0);
+ strbuf_addf(&buf, "big: %.75d\n", row);
+ ret = reply_cb(reply_data, buf.buf, buf.len);
+ }
+
+ strbuf_release(&buf);
+
+ return ret;
+}
+
+/*
+ * Slowly reply with a series of lines. This is to model an expensive to
+ * compute chunked response (which might happen if this callback is running
+ * in a thread and is fighting for a lock with other threads).
+ */
+#define SLOW_ROWS (1000)
+#define SLOW_DELAY_MS (10)
+static int app__slow_command(ipc_server_reply_cb *reply_cb,
+ struct ipc_server_reply_data *reply_data)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int row;
+ int ret;
+
+ for (row = 0; row < SLOW_ROWS; row++) {
+ strbuf_setlen(&buf, 0);
+ strbuf_addf(&buf, "big: %.75d\n", row);
+ ret = reply_cb(reply_data, buf.buf, buf.len);
+ sleep_millisec(SLOW_DELAY_MS);
+ }
+
+ strbuf_release(&buf);
+
+ return ret;
+}
+
+/*
+ * The client sent a command followed by a (possibly very) large buffer.
+ */
+static int app__sendbytes_command(const char *received,
+ ipc_server_reply_cb *reply_cb,
+ struct ipc_server_reply_data *reply_data)
+{
+ struct strbuf buf_resp = STRBUF_INIT;
+ const char *p = "?";
+ int len_ballast = 0;
+ int k;
+ int errs = 0;
+ int ret;
+
+ if (skip_prefix(received, "sendbytes ", &p))
+ len_ballast = strlen(p);
+
+ /*
+ * Verify that the ballast is n copies of a single letter.
+ * And that the multi-threaded IO layer didn't cross the streams.
+ */
+ for (k = 1; k < len_ballast; k++)
+ if (p[k] != p[0])
+ errs++;
+
+ if (errs)
+ strbuf_addf(&buf_resp, "errs:%d\n", errs);
+ else
+ strbuf_addf(&buf_resp, "rcvd:%c%08d\n", p[0], len_ballast);
+
+ ret = reply_cb(reply_data, buf_resp.buf, buf_resp.len);
+
+ strbuf_release(&buf_resp);
+
+ return ret;
+}
+
+/*
+ * An arbitrary fixed address to verify that the application instance
+ * data is handled properly.
+ */
+static int my_app_data = 42;
+
+static ipc_server_application_cb test_app_cb;
+
+/*
+ * This is the "application callback" that sits on top of the
+ * "ipc-server". It completely defines the set of commands supported
+ * by this application.
+ */
+static int test_app_cb(void *application_data,
+ const char *command,
+ ipc_server_reply_cb *reply_cb,
+ struct ipc_server_reply_data *reply_data)
+{
+ /*
+ * Verify that we received the application-data that we passed
+ * when we started the ipc-server. (We have several layers of
+ * callbacks calling callbacks and it's easy to get things mixed
+ * up (especially when some are "void*").)
+ */
+ if (application_data != (void*)&my_app_data)
+ BUG("application_cb: application_data pointer wrong");
+
+ if (!strcmp(command, "quit")) {
+ /*
+ * The client sent a "quit" command. This is an async
+ * request for the server to shutdown.
+ *
+ * We DO NOT send the client a response message
+ * (because we have nothing to say and the other
+ * server threads have not yet stopped).
+ *
+ * Tell the ipc-server layer to start shutting down.
+ * This includes: stop listening for new connections
+ * on the socket/pipe and telling all worker threads
+ * to finish/drain their outgoing responses to other
+ * clients.
+ *
+ * This DOES NOT force an immediate sync shutdown.
+ */
+ return SIMPLE_IPC_QUIT;
+ }
+
+ if (!strcmp(command, "ping")) {
+ const char *answer = "pong";
+ return reply_cb(reply_data, answer, strlen(answer));
+ }
+
+ if (!strcmp(command, "big"))
+ return app__big_command(reply_cb, reply_data);
+
+ if (!strcmp(command, "chunk"))
+ return app__chunk_command(reply_cb, reply_data);
+
+ if (!strcmp(command, "slow"))
+ return app__slow_command(reply_cb, reply_data);
+
+ if (starts_with(command, "sendbytes "))
+ return app__sendbytes_command(command, reply_cb, reply_data);
+
+ return app__unhandled_command(command, reply_cb, reply_data);
+}
+
+struct cl_args
+{
+ const char *subcommand;
+ const char *path;
+ const char *token;
+
+ int nr_threads;
+ int max_wait_sec;
+ int bytecount;
+ int batchsize;
+
+ char bytevalue;
+};
+
+static struct cl_args cl_args = {
+ .subcommand = NULL,
+ .path = "ipc-test",
+ .token = NULL,
+
+ .nr_threads = 5,
+ .max_wait_sec = 60,
+ .bytecount = 1024,
+ .batchsize = 10,
+
+ .bytevalue = 'x',
+};
+
+/*
+ * This process will run as a simple-ipc server and listen for IPC commands
+ * from client processes.
+ */
+static int daemon__run_server(void)
+{
+ int ret;
+
+ struct ipc_server_opts opts = {
+ .nr_threads = cl_args.nr_threads,
+ };
+
+ /*
+ * Synchronously run the ipc-server. We don't need any application
+ * instance data, so pass an arbitrary pointer (that we'll later
+ * verify made the round trip).
+ */
+ ret = ipc_server_run(cl_args.path, &opts, test_app_cb, (void*)&my_app_data);
+ if (ret == -2)
+ error(_("socket/pipe already in use: '%s'"), cl_args.path);
+ else if (ret == -1)
+ error_errno(_("could not start server on: '%s'"), cl_args.path);
+
+ return ret;
+}
+
+#ifndef GIT_WINDOWS_NATIVE
+/*
+ * This is adapted from `daemonize()`. Use `fork()` to directly create and
+ * run the daemon in a child process.
+ */
+static int spawn_server(pid_t *pid)
+{
+ struct ipc_server_opts opts = {
+ .nr_threads = cl_args.nr_threads,
+ };
+
+ *pid = fork();
+
+ switch (*pid) {
+ case 0:
+ if (setsid() == -1)
+ error_errno(_("setsid failed"));
+ close(0);
+ close(1);
+ close(2);
+ sanitize_stdfds();
+
+ return ipc_server_run(cl_args.path, &opts, test_app_cb,
+ (void*)&my_app_data);
+
+ case -1:
+ return error_errno(_("could not spawn daemon in the background"));
+
+ default:
+ return 0;
+ }
+}
+#else
+/*
+ * Conceptually like `daemonize()` but different because Windows does not
+ * have `fork(2)`. Spawn a normal Windows child process but without the
+ * limitations of `start_command()` and `finish_command()`.
+ */
+static int spawn_server(pid_t *pid)
+{
+ char test_tool_exe[MAX_PATH];
+ struct strvec args = STRVEC_INIT;
+ int in, out;
+
+ GetModuleFileNameA(NULL, test_tool_exe, MAX_PATH);
+
+ in = open("/dev/null", O_RDONLY);
+ out = open("/dev/null", O_WRONLY);
+
+ strvec_push(&args, test_tool_exe);
+ strvec_push(&args, "simple-ipc");
+ strvec_push(&args, "run-daemon");
+ strvec_pushf(&args, "--name=%s", cl_args.path);
+ strvec_pushf(&args, "--threads=%d", cl_args.nr_threads);
+
+ *pid = mingw_spawnvpe(args.v[0], args.v, NULL, NULL, in, out, out);
+ close(in);
+ close(out);
+
+ strvec_clear(&args);
+
+ if (*pid < 0)
+ return error(_("could not spawn daemon in the background"));
+
+ return 0;
+}
+#endif
+
+/*
+ * This is adapted from `wait_or_whine()`. Watch the child process and
+ * let it get started and begin listening for requests on the socket
+ * before reporting our success.
+ */
+static int wait_for_server_startup(pid_t pid_child)
+{
+ int status;
+ pid_t pid_seen;
+ enum ipc_active_state s;
+ time_t time_limit, now;
+
+ time(&time_limit);
+ time_limit += cl_args.max_wait_sec;
+
+ for (;;) {
+ pid_seen = waitpid(pid_child, &status, WNOHANG);
+
+ if (pid_seen == -1)
+ return error_errno(_("waitpid failed"));
+
+ else if (pid_seen == 0) {
+ /*
+ * The child is still running (this should be
+ * the normal case). Try to connect to it on
+ * the socket and see if it is ready for
+ * business.
+ *
+ * If there is another daemon already running,
+ * our child will fail to start (possibly
+ * after a timeout on the lock), but we don't
+ * care (who responds) if the socket is live.
+ */
+ s = ipc_get_active_state(cl_args.path);
+ if (s == IPC_STATE__LISTENING)
+ return 0;
+
+ time(&now);
+ if (now > time_limit)
+ return error(_("daemon not online yet"));
+
+ continue;
+ }
+
+ else if (pid_seen == pid_child) {
+ /*
+ * The new child daemon process shutdown while
+ * it was starting up, so it is not listening
+ * on the socket.
+ *
+ * Try to ping the socket in the odd chance
+ * that another daemon started (or was already
+ * running) while our child was starting.
+ *
+ * Again, we don't care who services the socket.
+ */
+ s = ipc_get_active_state(cl_args.path);
+ if (s == IPC_STATE__LISTENING)
+ return 0;
+
+ /*
+ * We don't care about the WEXITSTATUS() nor
+ * any of the WIF*(status) values because
+ * `cmd__simple_ipc()` does the `!!result`
+ * trick on all function return values.
+ *
+ * So it is sufficient to just report the
+ * early shutdown as an error.
+ */
+ return error(_("daemon failed to start"));
+ }
+
+ else
+ return error(_("waitpid is confused"));
+ }
+}
+
+/*
+ * This process will start a simple-ipc server in a background process and
+ * wait for it to become ready. This is like `daemonize()` but gives us
+ * more control and better error reporting (and makes it easier to write
+ * unit tests).
+ */
+static int daemon__start_server(void)
+{
+ pid_t pid_child;
+ int ret;
+
+ /*
+ * Run the actual daemon in a background process.
+ */
+ ret = spawn_server(&pid_child);
+ if (pid_child <= 0)
+ return ret;
+
+ /*
+ * Let the parent wait for the child process to get started
+ * and begin listening for requests on the socket.
+ */
+ ret = wait_for_server_startup(pid_child);
+
+ return ret;
+}
+
+/*
+ * This process will run a quick probe to see if a simple-ipc server
+ * is active on this path.
+ *
+ * Returns 0 if the server is alive.
+ */
+static int client__probe_server(void)
+{
+ enum ipc_active_state s;
+
+ s = ipc_get_active_state(cl_args.path);
+ switch (s) {
+ case IPC_STATE__LISTENING:
+ return 0;
+
+ case IPC_STATE__NOT_LISTENING:
+ return error("no server listening at '%s'", cl_args.path);
+
+ case IPC_STATE__PATH_NOT_FOUND:
+ return error("path not found '%s'", cl_args.path);
+
+ case IPC_STATE__INVALID_PATH:
+ return error("invalid pipe/socket name '%s'", cl_args.path);
+
+ case IPC_STATE__OTHER_ERROR:
+ default:
+ return error("other error for '%s'", cl_args.path);
+ }
+}
+
+/*
+ * Send an IPC command token to an already-running server daemon and
+ * print the response.
+ *
+ * This is a simple 1 word command/token that `test_app_cb()` (in the
+ * daemon process) will understand.
+ */
+static int client__send_ipc(void)
+{
+ const char *command = "(no-command)";
+ struct strbuf buf = STRBUF_INIT;
+ struct ipc_client_connect_options options
+ = IPC_CLIENT_CONNECT_OPTIONS_INIT;
+
+ if (cl_args.token && *cl_args.token)
+ command = cl_args.token;
+
+ options.wait_if_busy = 1;
+ options.wait_if_not_found = 0;
+
+ if (!ipc_client_send_command(cl_args.path, &options, command, &buf)) {
+ if (buf.len) {
+ printf("%s\n", buf.buf);
+ fflush(stdout);
+ }
+ strbuf_release(&buf);
+
+ return 0;
+ }
+
+ return error("failed to send '%s' to '%s'", command, cl_args.path);
+}
+
+/*
+ * Send an IPC command to an already-running server and ask it to
+ * shutdown. "send quit" is an async request and queues a shutdown
+ * event in the server, so we spin and wait here for it to actually
+ * shutdown to make the unit tests a little easier to write.
+ */
+static int client__stop_server(void)
+{
+ int ret;
+ time_t time_limit, now;
+ enum ipc_active_state s;
+
+ time(&time_limit);
+ time_limit += cl_args.max_wait_sec;
+
+ cl_args.token = "quit";
+
+ ret = client__send_ipc();
+ if (ret)
+ return ret;
+
+ for (;;) {
+ sleep_millisec(100);
+
+ s = ipc_get_active_state(cl_args.path);
+
+ if (s != IPC_STATE__LISTENING) {
+ /*
+ * The socket/pipe is gone and/or has stopped
+ * responding. Lets assume that the daemon
+ * process has exited too.
+ */
+ return 0;
+ }
+
+ time(&now);
+ if (now > time_limit)
+ return error(_("daemon has not shutdown yet"));
+ }
+}
+
+/*
+ * Send an IPC command followed by ballast to confirm that a large
+ * message can be sent and that the kernel or pkt-line layers will
+ * properly chunk it and that the daemon receives the entire message.
+ */
+static int do_sendbytes(int bytecount, char byte, const char *path,
+ const struct ipc_client_connect_options *options)
+{
+ struct strbuf buf_send = STRBUF_INIT;
+ struct strbuf buf_resp = STRBUF_INIT;
+
+ strbuf_addstr(&buf_send, "sendbytes ");
+ strbuf_addchars(&buf_send, byte, bytecount);
+
+ if (!ipc_client_send_command(path, options, buf_send.buf, &buf_resp)) {
+ strbuf_rtrim(&buf_resp);
+ printf("sent:%c%08d %s\n", byte, bytecount, buf_resp.buf);
+ fflush(stdout);
+ strbuf_release(&buf_send);
+ strbuf_release(&buf_resp);
+
+ return 0;
+ }
+
+ return error("client failed to sendbytes(%d, '%c') to '%s'",
+ bytecount, byte, path);
+}
+
+/*
+ * Send an IPC command with ballast to an already-running server daemon.
+ */
+static int client__sendbytes(void)
+{
+ struct ipc_client_connect_options options
+ = IPC_CLIENT_CONNECT_OPTIONS_INIT;
+
+ options.wait_if_busy = 1;
+ options.wait_if_not_found = 0;
+ options.uds_disallow_chdir = 0;
+
+ return do_sendbytes(cl_args.bytecount, cl_args.bytevalue, cl_args.path,
+ &options);
+}
+
+struct multiple_thread_data {
+ pthread_t pthread_id;
+ struct multiple_thread_data *next;
+ const char *path;
+ int bytecount;
+ int batchsize;
+ int sum_errors;
+ int sum_good;
+ char letter;
+};
+
+static void *multiple_thread_proc(void *_multiple_thread_data)
+{
+ struct multiple_thread_data *d = _multiple_thread_data;
+ int k;
+ struct ipc_client_connect_options options
+ = IPC_CLIENT_CONNECT_OPTIONS_INIT;
+
+ options.wait_if_busy = 1;
+ options.wait_if_not_found = 0;
+ /*
+ * A multi-threaded client should not be randomly calling chdir().
+ * The test will pass without this restriction because the test is
+ * not otherwise accessing the filesystem, but it makes us honest.
+ */
+ options.uds_disallow_chdir = 1;
+
+ trace2_thread_start("multiple");
+
+ for (k = 0; k < d->batchsize; k++) {
+ if (do_sendbytes(d->bytecount + k, d->letter, d->path, &options))
+ d->sum_errors++;
+ else
+ d->sum_good++;
+ }
+
+ trace2_thread_exit();
+ return NULL;
+}
+
+/*
+ * Start a client-side thread pool. Each thread sends a series of
+ * IPC requests. Each request is on a new connection to the server.
+ */
+static int client__multiple(void)
+{
+ struct multiple_thread_data *list = NULL;
+ int k;
+ int sum_join_errors = 0;
+ int sum_thread_errors = 0;
+ int sum_good = 0;
+
+ for (k = 0; k < cl_args.nr_threads; k++) {
+ struct multiple_thread_data *d = xcalloc(1, sizeof(*d));
+ d->next = list;
+ d->path = cl_args.path;
+ d->bytecount = cl_args.bytecount + cl_args.batchsize*(k/26);
+ d->batchsize = cl_args.batchsize;
+ d->sum_errors = 0;
+ d->sum_good = 0;
+ d->letter = 'A' + (k % 26);
+
+ if (pthread_create(&d->pthread_id, NULL, multiple_thread_proc, d)) {
+ warning("failed to create thread[%d] skipping remainder", k);
+ free(d);
+ break;
+ }
+
+ list = d;
+ }
+
+ while (list) {
+ struct multiple_thread_data *d = list;
+
+ if (pthread_join(d->pthread_id, NULL))
+ sum_join_errors++;
+
+ sum_thread_errors += d->sum_errors;
+ sum_good += d->sum_good;
+
+ list = d->next;
+ free(d);
+ }
+
+ printf("client (good %d) (join %d), (errors %d)\n",
+ sum_good, sum_join_errors, sum_thread_errors);
+
+ return (sum_join_errors + sum_thread_errors) ? 1 : 0;
+}
+
+int cmd__simple_ipc(int argc, const char **argv)
+{
+ const char * const simple_ipc_usage[] = {
+ N_("test-helper simple-ipc is-active [<name>] [<options>]"),
+ N_("test-helper simple-ipc run-daemon [<name>] [<threads>]"),
+ N_("test-helper simple-ipc start-daemon [<name>] [<threads>] [<max-wait>]"),
+ N_("test-helper simple-ipc stop-daemon [<name>] [<max-wait>]"),
+ N_("test-helper simple-ipc send [<name>] [<token>]"),
+ N_("test-helper simple-ipc sendbytes [<name>] [<bytecount>] [<byte>]"),
+ N_("test-helper simple-ipc multiple [<name>] [<threads>] [<bytecount>] [<batchsize>]"),
+ NULL
+ };
+
+ const char *bytevalue = NULL;
+
+ struct option options[] = {
+#ifndef GIT_WINDOWS_NATIVE
+ OPT_STRING(0, "name", &cl_args.path, N_("name"), N_("name or pathname of unix domain socket")),
+#else
+ OPT_STRING(0, "name", &cl_args.path, N_("name"), N_("named-pipe name")),
+#endif
+ OPT_INTEGER(0, "threads", &cl_args.nr_threads, N_("number of threads in server thread pool")),
+ OPT_INTEGER(0, "max-wait", &cl_args.max_wait_sec, N_("seconds to wait for daemon to start or stop")),
+
+ OPT_INTEGER(0, "bytecount", &cl_args.bytecount, N_("number of bytes")),
+ OPT_INTEGER(0, "batchsize", &cl_args.batchsize, N_("number of requests per thread")),
+
+ OPT_STRING(0, "byte", &bytevalue, N_("byte"), N_("ballast character")),
+ OPT_STRING(0, "token", &cl_args.token, N_("token"), N_("command token to send to the server")),
+
+ OPT_END()
+ };
+
+ if (argc < 2)
+ usage_with_options(simple_ipc_usage, options);
+
+ if (argc == 2 && !strcmp(argv[1], "-h"))
+ usage_with_options(simple_ipc_usage, options);
+
+ if (argc == 2 && !strcmp(argv[1], "SUPPORTS_SIMPLE_IPC"))
+ return 0;
+
+ cl_args.subcommand = argv[1];
+
+ argc--;
+ argv++;
+
+ argc = parse_options(argc, argv, NULL, options, simple_ipc_usage, 0);
+
+ if (cl_args.nr_threads < 1)
+ cl_args.nr_threads = 1;
+ if (cl_args.max_wait_sec < 0)
+ cl_args.max_wait_sec = 0;
+ if (cl_args.bytecount < 1)
+ cl_args.bytecount = 1;
+ if (cl_args.batchsize < 1)
+ cl_args.batchsize = 1;
+
+ if (bytevalue && *bytevalue)
+ cl_args.bytevalue = bytevalue[0];
+
+ /*
+ * Use '!!' on all dispatch functions to map from `error()` style
+ * (returns -1) style to `test_must_fail` style (expects 1). This
+ * makes shell error messages less confusing.
+ */
+
+ if (!strcmp(cl_args.subcommand, "is-active"))
+ return !!client__probe_server();
+
+ if (!strcmp(cl_args.subcommand, "run-daemon"))
+ return !!daemon__run_server();
+
+ if (!strcmp(cl_args.subcommand, "start-daemon"))
+ return !!daemon__start_server();
+
+ /*
+ * Client commands follow. Ensure a server is running before
+ * sending any data. This might be overkill, but then again
+ * this is a test harness.
+ */
+
+ if (!strcmp(cl_args.subcommand, "stop-daemon")) {
+ if (client__probe_server())
+ return 1;
+ return !!client__stop_server();
+ }
+
+ if (!strcmp(cl_args.subcommand, "send")) {
+ if (client__probe_server())
+ return 1;
+ return !!client__send_ipc();
+ }
+
+ if (!strcmp(cl_args.subcommand, "sendbytes")) {
+ if (client__probe_server())
+ return 1;
+ return !!client__sendbytes();
+ }
+
+ if (!strcmp(cl_args.subcommand, "multiple")) {
+ if (client__probe_server())
+ return 1;
+ return !!client__multiple();
+ }
+
+ die("Unhandled subcommand: '%s'", cl_args.subcommand);
+}
+#endif
diff --git a/t/helper/test-submodule-nested-repo-config.c b/t/helper/test-submodule-nested-repo-config.c
index c5fd452..e3f11ff 100644
--- a/t/helper/test-submodule-nested-repo-config.c
+++ b/t/helper/test-submodule-nested-repo-config.c
@@ -18,7 +18,7 @@ int cmd__submodule_nested_repo_config(int argc, const char **argv)
setup_git_directory();
- sub = submodule_from_path(the_repository, &null_oid, argv[1]);
+ sub = submodule_from_path(the_repository, null_oid(), argv[1]);
if (repo_submodule_init(&subrepo, the_repository, sub)) {
die_usage(argv, "Submodule not found.");
}
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index f97cd9f..c5bd0c6 100644
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -15,6 +15,7 @@ struct test_cmd {
static struct test_cmd cmds[] = {
{ "advise", cmd__advise_if_enabled },
+ { "bitmap", cmd__bitmap },
{ "bloom", cmd__bloom },
{ "chmtime", cmd__chmtime },
{ "config", cmd__config },
@@ -65,12 +66,14 @@ static struct test_cmd cmds[] = {
{ "sha1", cmd__sha1 },
{ "sha256", cmd__sha256 },
{ "sigchain", cmd__sigchain },
+ { "simple-ipc", cmd__simple_ipc },
{ "strcmp-offset", cmd__strcmp_offset },
{ "string-list", cmd__string_list },
{ "submodule-config", cmd__submodule_config },
{ "submodule-nested-repo-config", cmd__submodule_nested_repo_config },
{ "subprocess", cmd__subprocess },
{ "trace2", cmd__trace2 },
+ { "userdiff", cmd__userdiff },
{ "urlmatch-normalization", cmd__urlmatch_normalization },
{ "xml-encode", cmd__xml_encode },
{ "wildmatch", cmd__wildmatch },
diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h
index 28072c0..e8069a3 100644
--- a/t/helper/test-tool.h
+++ b/t/helper/test-tool.h
@@ -5,6 +5,7 @@
#include "git-compat-util.h"
int cmd__advise_if_enabled(int argc, const char **argv);
+int cmd__bitmap(int argc, const char **argv);
int cmd__bloom(int argc, const char **argv);
int cmd__chmtime(int argc, const char **argv);
int cmd__config(int argc, const char **argv);
@@ -55,12 +56,14 @@ int cmd__sha1(int argc, const char **argv);
int cmd__oid_array(int argc, const char **argv);
int cmd__sha256(int argc, const char **argv);
int cmd__sigchain(int argc, const char **argv);
+int cmd__simple_ipc(int argc, const char **argv);
int cmd__strcmp_offset(int argc, const char **argv);
int cmd__string_list(int argc, const char **argv);
int cmd__submodule_config(int argc, const char **argv);
int cmd__submodule_nested_repo_config(int argc, const char **argv);
int cmd__subprocess(int argc, const char **argv);
int cmd__trace2(int argc, const char **argv);
+int cmd__userdiff(int argc, const char **argv);
int cmd__urlmatch_normalization(int argc, const char **argv);
int cmd__xml_encode(int argc, const char **argv);
int cmd__wildmatch(int argc, const char **argv);
diff --git a/t/helper/test-userdiff.c b/t/helper/test-userdiff.c
new file mode 100644
index 0000000..f013f8a
--- /dev/null
+++ b/t/helper/test-userdiff.c
@@ -0,0 +1,46 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "userdiff.h"
+#include "config.h"
+
+static int driver_cb(struct userdiff_driver *driver,
+ enum userdiff_driver_type type, void *priv)
+{
+ enum userdiff_driver_type *want_type = priv;
+ if (type & *want_type && driver->funcname.pattern)
+ puts(driver->name);
+ return 0;
+}
+
+static int cmd__userdiff_config(const char *var, const char *value, void *cb)
+{
+ if (userdiff_config(var, value) < 0)
+ return -1;
+ return 0;
+}
+
+int cmd__userdiff(int argc, const char **argv)
+{
+ enum userdiff_driver_type want = 0;
+ if (argc != 2)
+ return 1;
+
+ if (!strcmp(argv[1], "list-drivers"))
+ want = (USERDIFF_DRIVER_TYPE_BUILTIN |
+ USERDIFF_DRIVER_TYPE_CUSTOM);
+ else if (!strcmp(argv[1], "list-builtin-drivers"))
+ want = USERDIFF_DRIVER_TYPE_BUILTIN;
+ else if (!strcmp(argv[1], "list-custom-drivers"))
+ want = USERDIFF_DRIVER_TYPE_CUSTOM;
+ else
+ return error("unknown argument %s", argv[1]);
+
+ if (want & USERDIFF_DRIVER_TYPE_CUSTOM) {
+ setup_git_directory();
+ git_config(cmd__userdiff_config, NULL);
+ }
+
+ for_each_userdiff_driver(driver_cb, &want);
+
+ return 0;
+}