int
Repository_head__set__(Repository *self, PyObject *py_val)
{
int err;
if (PyObject_TypeCheck(py_val, &OidType)) {
git_oid oid;
py_oid_to_git_oid(py_val, &oid);
err = git_repository_set_head_detached(self->repo, &oid, NULL, NULL);
if (err < 0) {
Error_set(err);
return -1;
}
} else {
const char *refname;
PyObject *trefname;
refname = py_str_borrow_c_str(&trefname, py_val, NULL);
if (refname == NULL)
return -1;
err = git_repository_set_head(self->repo, refname, NULL, NULL);
Py_DECREF(trefname);
if (err < 0) {
Error_set_str(err, refname);
return -1;
}
}
return 0;
}
void test_repo_head__setting_head_updates_reflog(void)
{
git_object *tag;
git_signature *sig;
git_annotated_commit *annotated;
cl_git_pass(git_signature_now(&sig, "me", "*****@*****.**"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/unborn"));
cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked"));
test_reflog(repo, 2, NULL, "refs/heads/haacked", "*****@*****.**", "checkout: moving from master to haacked");
test_reflog(repo, 1, NULL, "tags/test^{commit}", "*****@*****.**", "checkout: moving from unborn to e90810b8df3e80c413d903f631643c716887138d");
test_reflog(repo, 0, "tags/test^{commit}", "refs/heads/haacked", "*****@*****.**", "checkout: moving from e90810b8df3e80c413d903f631643c716887138d to haacked");
cl_git_pass(git_annotated_commit_from_revspec(&annotated, repo, "haacked~0"));
cl_git_pass(git_repository_set_head_detached_from_annotated(repo, annotated));
test_reflog(repo, 0, NULL, "refs/heads/haacked", "*****@*****.**", "checkout: moving from haacked to haacked~0");
git_annotated_commit_free(annotated);
git_object_free(tag);
git_signature_free(sig);
}
void test_refs_reflog_messages__detaching_writes_reflog(void)
{
git_signature *sig;
git_oid id;
const char *msg;
cl_git_pass(git_signature_now(&sig, "me", "*****@*****.**"));
msg = "checkout: moving from master to e90810b8df3e80c413d903f631643c716887138d";
git_oid_fromstr(&id, "e90810b8df3e80c413d903f631643c716887138d");
cl_git_pass(git_repository_set_head_detached(g_repo, &id));
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
"a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d",
NULL, msg);
msg = "checkout: moving from e90810b8df3e80c413d903f631643c716887138d to haacked";
cl_git_pass(git_repository_set_head(g_repo, "refs/heads/haacked"));
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
"e90810b8df3e80c413d903f631643c716887138d",
"258f0e2a959a364e40ed6603d5d44fbb24765b10",
NULL, msg);
git_signature_free(sig);
}
void test_repo_head__orphan_branch_does_not_count(void)
{
git_signature *sig;
git_oid id;
const char *msg;
cl_git_pass(git_signature_now(&sig, "me", "*****@*****.**"));
/* Have something known */
msg = "message1";
git_oid_fromstr(&id, "e90810b8df3e80c413d903f631643c716887138d");
cl_git_pass(git_repository_set_head_detached(repo, &id, sig, msg));
assert_head_reflog(repo, 0, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d", msg);
/* Switching to an orphan branch does not write tot he reflog */
cl_git_pass(git_repository_set_head(repo, "refs/heads/orphan", sig, "ignored message"));
assert_head_reflog(repo, 0, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d", msg);
/* And coming back, we set the source to zero */
msg = "message2";
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked", sig, msg));
assert_head_reflog(repo, 0, "0000000000000000000000000000000000000000",
"258f0e2a959a364e40ed6603d5d44fbb24765b10", msg);
git_signature_free(sig);
}
void test_refs_reflog_messages__orphan_branch_does_not_count(void)
{
git_oid id;
const char *msg;
/* Have something known */
msg = "checkout: moving from master to e90810b8df3e80c413d903f631643c716887138d";
git_oid_fromstr(&id, "e90810b8df3e80c413d903f631643c716887138d");
cl_git_pass(git_repository_set_head_detached(g_repo, &id));
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
"a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d",
NULL, msg);
/* Switching to an orphan branch does not write to the reflog */
cl_git_pass(git_repository_set_head(g_repo, "refs/heads/orphan"));
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
"a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d",
NULL, msg);
/* And coming back, we set the source to zero */
msg = "checkout: moving from orphan to haacked";
cl_git_pass(git_repository_set_head(g_repo, "refs/heads/haacked"));
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
"0000000000000000000000000000000000000000",
"258f0e2a959a364e40ed6603d5d44fbb24765b10",
NULL, msg);
}
void test_repo_head__set_head_detached_Return_ENOTFOUND_when_the_object_doesnt_exist(void)
{
git_oid oid;
cl_git_pass(git_oid_fromstr(&oid, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"));
cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head_detached(repo, &oid));
}
void test_repo_head__set_head_detached_Fails_when_the_object_isnt_a_commitish(void)
{
git_object *blob;
cl_git_pass(git_revparse_single(&blob, repo, "point_to_blob"));
cl_git_fail(git_repository_set_head_detached(repo, git_object_id(blob)));
git_object_free(blob);
}
void test_repo_head__set_head_detached_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
{
git_object *tag;
cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
cl_assert_equal_i(GIT_OBJECT_TAG, git_object_type(tag));
cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
assert_head_is_correctly_detached();
git_object_free(tag);
}
void test_refs_reflog_messages__setting_head_updates_reflog(void)
{
git_object *tag;
git_signature *sig;
git_annotated_commit *annotated;
cl_git_pass(git_signature_now(&sig, "me", "*****@*****.**"));
cl_git_pass(git_repository_set_head(g_repo, "refs/heads/haacked")); /* 4 */
cl_git_pass(git_repository_set_head(g_repo, "refs/heads/unborn"));
cl_git_pass(git_revparse_single(&tag, g_repo, "tags/test"));
cl_git_pass(git_repository_set_head_detached(g_repo, git_object_id(tag))); /* 3 */
cl_git_pass(git_repository_set_head(g_repo, "refs/heads/haacked")); /* 2 */
cl_git_pass(git_repository_set_head(g_repo, "refs/tags/test")); /* 1 */
cl_git_pass(git_repository_set_head(g_repo, "refs/remotes/test/master")); /* 0 */
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 4,
NULL, "refs/heads/haacked",
"*****@*****.**",
"checkout: moving from master to haacked");
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 3,
NULL, "tags/test^{commit}",
"*****@*****.**",
"checkout: moving from unborn to e90810b8df3e80c413d903f631643c716887138d");
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 2,
"tags/test^{commit}", "refs/heads/haacked",
"*****@*****.**",
"checkout: moving from e90810b8df3e80c413d903f631643c716887138d to haacked");
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 1,
"refs/heads/haacked", "tags/test^{commit}",
"*****@*****.**",
"checkout: moving from haacked to test");
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
"tags/test^{commit}", "refs/remotes/test/master",
"*****@*****.**",
"checkout: moving from e90810b8df3e80c413d903f631643c716887138d to test/master");
cl_git_pass(git_annotated_commit_from_revspec(&annotated, g_repo, "haacked~0"));
cl_git_pass(git_repository_set_head_detached_from_annotated(g_repo, annotated));
cl_reflog_check_entry(g_repo, GIT_HEAD_FILE, 0,
NULL, "refs/heads/haacked",
"*****@*****.**",
"checkout: moving from be3563ae3f795b2b4353bcce3a527ad0a4f7f644 to haacked~0");
git_annotated_commit_free(annotated);
git_object_free(tag);
git_signature_free(sig);
}
void test_checkout_typechange__checkout_with_conflicts(void)
{
int i;
git_object *obj;
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
notify_counts cts = {0};
opts.notify_flags =
GIT_CHECKOUT_NOTIFY_CONFLICT | GIT_CHECKOUT_NOTIFY_UNTRACKED;
opts.notify_cb = notify_counter;
opts.notify_payload = &cts;
for (i = 0; g_typechange_oids[i] != NULL; ++i) {
cl_git_pass(git_revparse_single(&obj, g_repo, g_typechange_oids[i]));
force_create_file("typechanges/a/blocker");
force_create_file("typechanges/b");
force_create_file("typechanges/c/sub/sub/file");
git_futils_rmdir_r("typechanges/d", NULL, GIT_RMDIR_REMOVE_FILES);
p_mkdir("typechanges/d", 0777); /* intentionally empty dir */
force_create_file("typechanges/untracked");
opts.checkout_strategy = GIT_CHECKOUT_SAFE;
memset(&cts, 0, sizeof(cts));
cl_git_fail(git_checkout_tree(g_repo, obj, &opts));
cl_assert(cts.conflicts > 0);
cl_assert(cts.untracked > 0);
opts.checkout_strategy =
GIT_CHECKOUT_FORCE | GIT_CHECKOUT_REMOVE_UNTRACKED;
memset(&cts, 0, sizeof(cts));
cl_assert(git_path_exists("typechanges/untracked"));
cl_git_pass(git_checkout_tree(g_repo, obj, &opts));
cl_assert_equal_i(0, cts.conflicts);
cl_assert(!git_path_exists("typechanges/untracked"));
cl_git_pass(
git_repository_set_head_detached(g_repo, git_object_id(obj)));
assert_workdir_matches_tree(g_repo, git_object_id(obj), NULL, true);
git_object_free(obj);
}
}
void test_checkout_tree__can_disable_pattern_match(void)
{
char *entries[] = { "b*.txt" };
/* reset to beginning of history (i.e. just a README file) */
g_opts.checkout_strategy =
GIT_CHECKOUT_FORCE | GIT_CHECKOUT_REMOVE_UNTRACKED;
cl_git_pass(git_revparse_single(&g_object, g_repo, "8496071c1b46c854b31185ea97743be6a8774479"));
cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
cl_git_pass(
git_repository_set_head_detached(g_repo, git_object_id(g_object)));
git_object_free(g_object);
g_object = NULL;
cl_assert(!git_path_isfile("testrepo/branch_file.txt"));
/* now to a narrow patterned checkout, but disable pattern */
g_opts.checkout_strategy =
GIT_CHECKOUT_SAFE |
GIT_CHECKOUT_DISABLE_PATHSPEC_MATCH;
g_opts.paths.strings = entries;
g_opts.paths.count = 1;
cl_git_pass(git_revparse_single(&g_object, g_repo, "refs/heads/master"));
cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
cl_assert(!git_path_isfile("testrepo/branch_file.txt"));
/* let's try that again, but allow the pattern match */
g_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
cl_assert(git_path_isfile("testrepo/branch_file.txt"));
}
void test_checkout_typechange__checkout_typechanges_safe(void)
{
int i;
git_object *obj;
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
for (i = 0; g_typechange_oids[i] != NULL; ++i) {
cl_git_pass(git_revparse_single(&obj, g_repo, g_typechange_oids[i]));
opts.checkout_strategy = GIT_CHECKOUT_FORCE;
/* There are bugs in some submodule->tree changes that prevent
* SAFE from passing here, even though the following should work:
*/
/* !i ? GIT_CHECKOUT_FORCE : GIT_CHECKOUT_SAFE; */
cl_git_pass(git_checkout_tree(g_repo, obj, &opts));
cl_git_pass(
git_repository_set_head_detached(g_repo, git_object_id(obj)));
assert_workdir_matches_tree(g_repo, git_object_id(obj), NULL, true);
git_object_free(obj);
if (!g_typechange_empty[i]) {
cl_assert(git_path_isdir("typechanges"));
cl_assert(git_path_exists("typechanges/a"));
cl_assert(git_path_exists("typechanges/b"));
cl_assert(git_path_exists("typechanges/c"));
cl_assert(git_path_exists("typechanges/d"));
cl_assert(git_path_exists("typechanges/e"));
} else {
cl_assert(git_path_isdir("typechanges"));
cl_assert(!git_path_exists("typechanges/a"));
cl_assert(!git_path_exists("typechanges/b"));
cl_assert(!git_path_exists("typechanges/c"));
cl_assert(!git_path_exists("typechanges/d"));
cl_assert(!git_path_exists("typechanges/e"));
}
}
}
void test_repo_head__setting_head_updates_reflog(void)
{
git_object *tag;
git_signature *sig;
cl_git_pass(git_signature_now(&sig, "me", "*****@*****.**"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked", sig, "message1"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/unborn", sig, "message2"));
cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag), sig, "message3"));
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked", sig, "message4"));
test_reflog(repo, 2, NULL, "refs/heads/haacked", "*****@*****.**", "message1");
test_reflog(repo, 1, NULL, "tags/test^{commit}", "*****@*****.**", "message3");
test_reflog(repo, 0, "tags/test^{commit}", "refs/heads/haacked", "*****@*****.**", "message4");
git_object_free(tag);
git_signature_free(sig);
}
void test_repo_head__detaching_writes_reflog(void)
{
git_signature *sig;
git_oid id;
const char *msg;
cl_git_pass(git_signature_now(&sig, "me", "*****@*****.**"));
msg = "message1";
git_oid_fromstr(&id, "e90810b8df3e80c413d903f631643c716887138d");
cl_git_pass(git_repository_set_head_detached(repo, &id, sig, msg));
assert_head_reflog(repo, 0, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750",
"e90810b8df3e80c413d903f631643c716887138d", msg);
msg = "message2";
cl_git_pass(git_repository_set_head(repo, "refs/heads/haacked", sig, msg));
assert_head_reflog(repo, 0, "e90810b8df3e80c413d903f631643c716887138d",
"258f0e2a959a364e40ed6603d5d44fbb24765b10", msg);
git_signature_free(sig);
}
/**
* Make the repository HEAD directly point to the commit.
*
* @param commit S4 class git_commit
* @return R_NilValue
*/
SEXP git2r_repository_set_head_detached(SEXP commit)
{
int err;
SEXP sha;
git_oid oid;
git_commit *treeish = NULL;
git_repository *repository = NULL;
if (git2r_arg_check_commit(commit))
git2r_error(git2r_err_commit_arg, __func__, "commit");
repository = git2r_repository_open(GET_SLOT(commit, Rf_install("repo")));
if (!repository)
git2r_error(git2r_err_invalid_repository, __func__, NULL);
sha = GET_SLOT(commit, Rf_install("sha"));
err = git_oid_fromstr(&oid, CHAR(STRING_ELT(sha, 0)));
if (GIT_OK != err)
goto cleanup;
err = git_commit_lookup(&treeish, repository, &oid);
if (GIT_OK != err)
goto cleanup;
err = git_repository_set_head_detached(
repository,
git_commit_id(treeish));
cleanup:
if (treeish)
git_commit_free(treeish);
if (repository)
git_repository_free(repository);
if (GIT_OK != err)
git2r_error(git2r_err_from_libgit2, __func__, giterr_last()->message);
return R_NilValue;
}
void test_submodule_init__relative_url_detached_head(void)
{
git_submodule *sm;
git_config *cfg;
git_buf absolute_url = GIT_BUF_INIT;
const char *config_url;
git_reference *head_ref = NULL;
git_object *head_commit = NULL;
g_repo = setup_fixture_submodule_simple();
/* Put the parent repository into a detached head state. */
cl_git_pass(git_repository_head(&head_ref, g_repo));
cl_git_pass(git_reference_peel(&head_commit, head_ref, GIT_OBJ_COMMIT));
cl_git_pass(git_repository_set_head_detached(g_repo, git_commit_id((git_commit *)head_commit)));
cl_assert(git_path_dirname_r(&absolute_url, git_repository_workdir(g_repo)) > 0);
cl_git_pass(git_buf_joinpath(&absolute_url, absolute_url.ptr, "testrepo.git"));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "testrepo"));
/* verify that the .gitmodules is set with an absolute path*/
cl_assert_equal_s("../testrepo.git", git_submodule_url(sm));
/* init and verify that absolute path is written to .git/config */
cl_git_pass(git_submodule_init(sm, false));
cl_git_pass(git_repository_config_snapshot(&cfg, g_repo));
cl_git_pass(git_config_get_string(&config_url, cfg, "submodule.testrepo.url"));
cl_assert_equal_s(absolute_url.ptr, config_url);
git_buf_free(&absolute_url);
git_config_free(cfg);
git_object_free(head_commit);
git_reference_free(head_ref);
git_submodule_free(sm);
}
void test_checkout_tree__can_checkout_with_pattern(void)
{
char *entries[] = { "[l-z]*.txt" };
/* reset to beginning of history (i.e. just a README file) */
g_opts.checkout_strategy =
GIT_CHECKOUT_FORCE | GIT_CHECKOUT_REMOVE_UNTRACKED;
cl_git_pass(git_revparse_single(&g_object, g_repo, "8496071c1b46c854b31185ea97743be6a8774479"));
cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
cl_git_pass(
git_repository_set_head_detached(g_repo, git_object_id(g_object)));
git_object_free(g_object);
g_object = NULL;
cl_assert(git_path_exists("testrepo/README"));
cl_assert(!git_path_exists("testrepo/branch_file.txt"));
cl_assert(!git_path_exists("testrepo/link_to_new.txt"));
cl_assert(!git_path_exists("testrepo/new.txt"));
/* now to a narrow patterned checkout */
g_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
g_opts.paths.strings = entries;
g_opts.paths.count = 1;
cl_git_pass(git_revparse_single(&g_object, g_repo, "refs/heads/master"));
cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
cl_assert(git_path_exists("testrepo/README"));
cl_assert(!git_path_exists("testrepo/branch_file.txt"));
cl_assert(git_path_exists("testrepo/link_to_new.txt"));
cl_assert(git_path_exists("testrepo/new.txt"));
}
void test_clone_nonetwork__can_detached_head(void)
{
git_object *obj;
git_repository *cloned;
git_reference *cloned_head;
cl_git_pass(git_clone(&g_repo, cl_git_fixture_url("testrepo.git"), "./foo", &g_options));
cl_git_pass(git_revparse_single(&obj, g_repo, "master~1"));
cl_git_pass(git_repository_set_head_detached(g_repo, git_object_id(obj)));
cl_git_pass(git_clone(&cloned, "./foo", "./foo1", &g_options));
cl_assert(git_repository_head_detached(cloned));
cl_git_pass(git_repository_head(&cloned_head, cloned));
cl_assert_equal_oid(git_object_id(obj), git_reference_target(cloned_head));
git_object_free(obj);
git_reference_free(cloned_head);
git_repository_free(cloned);
cl_fixture_cleanup("./foo1");
}
static int update_head_to_remote(git_repository *repo, git_remote *remote)
{
int retcode = -1;
git_refspec dummy_spec;
git_remote_head *remote_head;
struct head_info head_info;
git_buf remote_master_name = GIT_BUF_INIT;
/* Did we just clone an empty repository? */
if (remote->refs.length == 0) {
return setup_tracking_config(
repo,
"master",
GIT_REMOTE_ORIGIN,
GIT_REFS_HEADS_MASTER_FILE);
}
/* Get the remote's HEAD. This is always the first ref in remote->refs. */
remote_head = NULL;
if (!remote->transport->ls(remote->transport, get_head_callback, &remote_head))
return -1;
assert(remote_head);
git_oid_cpy(&head_info.remote_head_oid, &remote_head->oid);
git_buf_init(&head_info.branchname, 16);
head_info.repo = repo;
head_info.refspec = git_remote__matching_refspec(remote, GIT_REFS_HEADS_MASTER_FILE);
head_info.found = 0;
if (head_info.refspec == NULL) {
memset(&dummy_spec, 0, sizeof(git_refspec));
head_info.refspec = &dummy_spec;
}
/* Determine the remote tracking reference name from the local master */
if (git_refspec_transform_r(
&remote_master_name,
head_info.refspec,
GIT_REFS_HEADS_MASTER_FILE) < 0)
return -1;
/* Check to see if the remote HEAD points to the remote master */
if (reference_matches_remote_head(git_buf_cstr(&remote_master_name), &head_info) < 0)
goto cleanup;
if (head_info.found) {
retcode = update_head_to_new_branch(
repo,
&head_info.remote_head_oid,
git_buf_cstr(&head_info.branchname));
goto cleanup;
}
/* Not master. Check all the other refs. */
if (git_reference_foreach_name(
repo,
reference_matches_remote_head,
&head_info) < 0)
goto cleanup;
if (head_info.found) {
retcode = update_head_to_new_branch(
repo,
&head_info.remote_head_oid,
git_buf_cstr(&head_info.branchname));
goto cleanup;
} else {
retcode = git_repository_set_head_detached(
repo,
&head_info.remote_head_oid);
goto cleanup;
}
cleanup:
git_buf_free(&remote_master_name);
git_buf_free(&head_info.branchname);
return retcode;
}
static int update_head_to_remote(
git_repository *repo,
git_remote *remote,
const git_signature *signature,
const char *reflog_message)
{
int error = 0, found_branch = 0;
size_t refs_len;
git_refspec dummy_spec, *refspec;
const git_remote_head *remote_head, **refs;
const git_oid *remote_head_id;
git_buf remote_master_name = GIT_BUF_INIT;
git_buf branch = GIT_BUF_INIT;
if ((error = git_remote_ls(&refs, &refs_len, remote)) < 0)
return error;
/* Did we just clone an empty repository? */
if (refs_len == 0)
return setup_tracking_config(
repo, "master", GIT_REMOTE_ORIGIN, GIT_REFS_HEADS_MASTER_FILE);
error = git_remote_default_branch(&branch, remote);
if (error == GIT_ENOTFOUND) {
git_buf_puts(&branch, GIT_REFS_HEADS_MASTER_FILE);
} else {
found_branch = 1;
}
/* Get the remote's HEAD. This is always the first ref in the list. */
remote_head = refs[0];
assert(remote_head);
remote_head_id = &remote_head->oid;
refspec = git_remote__matching_refspec(remote, git_buf_cstr(&branch));
if (refspec == NULL) {
memset(&dummy_spec, 0, sizeof(git_refspec));
refspec = &dummy_spec;
}
/* Determine the remote tracking reference name from the local master */
if ((error = git_refspec_transform(
&remote_master_name,
refspec,
git_buf_cstr(&branch))) < 0)
return error;
if (found_branch) {
error = update_head_to_new_branch(
repo,
remote_head_id,
git_buf_cstr(&branch),
signature, reflog_message);
} else {
error = git_repository_set_head_detached(
repo, remote_head_id, signature, reflog_message);
}
git_buf_free(&remote_master_name);
git_buf_free(&branch);
return error;
}
static int handle(KDriver const *driver, KImplementation const *impl, int requested)
{
char const *url = k_dictionary_get(k_implementation_get_values(impl), "href");
char const *tag = k_dictionary_get(k_implementation_get_values(impl), "tag");
char const *path = k_dictionary_get(k_implementation_get_meta(impl), "name");
git_repository* repo = NULL;
git_remote* origin = NULL;
if (git_repository_open(&repo, path) == GIT_OK)
{
if (git_remote_load(&origin, repo, "origin") != GIT_OK)
{
git_repository_free(repo);
return -1;
}
if (strcmp(url, git_remote_url(origin)) != 0)
{
giterr_set_str(GITERR_INVALID, "different origin");
git_repository_free(repo);
return -1;
}
}
else
{
if (git_repository_init(&repo, path, 0) != GIT_OK)
{
return -1;
}
if (git_remote_create(&origin, repo, "origin", url) != GIT_OK)
{
git_repository_free(repo);
return -1;
}
}
git_remote_set_update_fetchhead(origin, 0);
git_remote_set_cred_acquire_cb(origin, cred_acquire, NULL);
if (git_remote_connect(origin, GIT_DIRECTION_FETCH) != GIT_OK)
{
git_remote_free(origin);
git_repository_free(repo);
return -1;
}
if (git_remote_download(origin, transfer_progress, NULL) != GIT_OK)
{
git_remote_free(origin);
git_repository_free(repo);
return -1;
}
if (git_remote_update_tips(origin) != GIT_OK)
{
git_remote_free(origin);
git_repository_free(repo);
return -1;
}
git_object* object = NULL;
if (git_revparse_single(&object, repo, tag) != GIT_OK)
{
git_remote_free(origin);
git_repository_free(repo);
return -1;
}
if (git_repository_set_head_detached(repo, git_object_id(object)) != GIT_OK)
{
git_object_free(object);
git_remote_free(origin);
git_repository_free(repo);
return -1;
}
git_checkout_opts checkout_opts = GIT_CHECKOUT_OPTS_INIT;
checkout_opts.version = GIT_CHECKOUT_OPTS_VERSION;
checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
checkout_opts.progress_cb = checkout_progress;
checkout_opts.progress_payload = NULL;
if (git_checkout_tree(repo, object, &checkout_opts) != GIT_OK)
{
git_object_free(object);
git_remote_free(origin);
git_repository_free(repo);
return -1;
}
git_object_free(object);
git_remote_free(origin);
git_repository_free(repo);
return 0;
}
void download(KImplementation const *impl, int requested, KError *error, void *ctx)
{
KDictionary const *values = k_implementation_get_values(impl);
char const *href = k_dictionary_lookup(values, "href");
char const *tag = k_dictionary_lookup(values, "tag");
char const *path = k_implementation_get_name(impl);
git_repository *repo = NULL;
git_remote *origin = NULL;
git_object *object = NULL;
struct progress_data progress_data = {{0}};
git_checkout_opts checkout_opts = GIT_CHECKOUT_OPTS_INIT;
checkout_opts.version = GIT_CHECKOUT_OPTS_VERSION;
checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
checkout_opts.progress_cb = checkout_progress;
checkout_opts.progress_payload = &progress_data;
if (git_repository_open(&repo, path) == GIT_OK)
{
if (git_remote_load(&origin, repo, "origin") != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto repository_free;
}
if (strcmp(git_remote_url(origin), href) != 0)
{
k_error_set(error, "different origin");
goto remote_free;
}
}
else
{
if (git_repository_init(&repo, path, 0) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
return;
}
if (git_remote_create(&origin, repo, "origin", href) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto repository_free;
}
}
git_remote_set_update_fetchhead(origin, 0);
git_remote_set_cred_acquire_cb(origin, cred_acquire, NULL);
if (git_remote_connect(origin, GIT_DIRECTION_FETCH) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto remote_free;
}
if (git_remote_download(origin, fetch_progress, &progress_data) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto remote_disconnect;
}
if (git_remote_update_tips(origin) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto remote_disconnect;
}
if (git_revparse_single(&object, repo, tag) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto remote_disconnect;
}
if (git_repository_set_head_detached(repo, git_object_id(object)) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
goto remote_disconnect;
}
if (git_checkout_tree(repo, object, &checkout_opts) != GIT_OK)
{
k_error_set(error, giterr_last()->message);
}
remote_disconnect:
git_remote_disconnect(origin);
remote_free:
git_remote_free(origin);
repository_free:
git_repository_free(repo);
}
static int update_head_to_remote(
git_repository *repo,
git_remote *remote,
const char *reflog_message)
{
int error = 0;
size_t refs_len;
git_refspec *refspec;
const git_remote_head *remote_head, **refs;
const git_oid *remote_head_id;
git_buf remote_master_name = GIT_BUF_INIT;
git_buf branch = GIT_BUF_INIT;
if ((error = git_remote_ls(&refs, &refs_len, remote)) < 0)
return error;
/* We cloned an empty repository or one with an unborn HEAD */
if (refs_len == 0 || strcmp(refs[0]->name, GIT_HEAD_FILE))
return setup_tracking_config(
repo, "master", GIT_REMOTE_ORIGIN, GIT_REFS_HEADS_MASTER_FILE);
/* We know we have HEAD, let's see where it points */
remote_head = refs[0];
assert(remote_head);
remote_head_id = &remote_head->oid;
error = git_remote_default_branch(&branch, remote);
if (error == GIT_ENOTFOUND) {
error = git_repository_set_head_detached(
repo, remote_head_id);
goto cleanup;
}
refspec = git_remote__matching_refspec(remote, git_buf_cstr(&branch));
if (refspec == NULL) {
git_error_set(GIT_ERROR_NET, "the remote's default branch does not fit the refspec configuration");
error = GIT_EINVALIDSPEC;
goto cleanup;
}
/* Determine the remote tracking reference name from the local master */
if ((error = git_refspec_transform(
&remote_master_name,
refspec,
git_buf_cstr(&branch))) < 0)
goto cleanup;
error = update_head_to_new_branch(
repo,
remote_head_id,
git_buf_cstr(&branch),
reflog_message);
cleanup:
git_buf_dispose(&remote_master_name);
git_buf_dispose(&branch);
return error;
}
