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https://git.proxmox.com/git/libgit2
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25e0b1576d
This changes the behavior of callbacks so that the callback error code is not converted into GIT_EUSER and instead we propagate the return value through to the caller. Instead of using the giterr_capture and giterr_restore functions, we now rely on all functions to pass back the return value from a callback. To avoid having a return value with no error message, the user can call the public giterr_set_str or some such function to set an error message. There is a new helper 'giterr_set_callback' that functions can invoke after making a callback which ensures that some error message was set in case the callback did not set one. In places where the sign of the callback return value is meaningful (e.g. positive to skip, negative to abort), only the negative values are returned back to the caller, obviously, since the other values allow for continuing the loop. The hardest parts of this were in the checkout code where positive return values were overloaded as meaningful values for checkout. I fixed this by adding an output parameter to many of the internal checkout functions and removing the overload. This added some code, but it is probably a better implementation. There is some funkiness in the network code where user provided callbacks could be returning a positive or a negative value and we want to rely on that to cancel the loop. There are still a couple places where an user error might get turned into GIT_EUSER there, I think, though none exercised by the tests.
293 lines
8.6 KiB
C
293 lines
8.6 KiB
C
#include "clar_libgit2.h"
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#include "git2/clone.h"
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#include "git2/cred_helpers.h"
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#include "remote.h"
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#include "fileops.h"
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#include "refs.h"
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#define LIVE_REPO_URL "http://github.com/libgit2/TestGitRepository"
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#define LIVE_EMPTYREPO_URL "http://github.com/libgit2/TestEmptyRepository"
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#define BB_REPO_URL "https://libgit2@bitbucket.org/libgit2/testgitrepository.git"
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#define BB_REPO_URL_WITH_PASS "https://libgit2:libgit2@bitbucket.org/libgit2/testgitrepository.git"
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#define BB_REPO_URL_WITH_WRONG_PASS "https://libgit2:wrong@bitbucket.org/libgit2/testgitrepository.git"
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#define ASSEMBLA_REPO_URL "https://libgit2:_Libgit2@git.assembla.com/libgit2-test-repos.git"
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static git_repository *g_repo;
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static git_clone_options g_options;
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void test_online_clone__initialize(void)
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{
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git_checkout_opts dummy_opts = GIT_CHECKOUT_OPTS_INIT;
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git_remote_callbacks dummy_callbacks = GIT_REMOTE_CALLBACKS_INIT;
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g_repo = NULL;
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memset(&g_options, 0, sizeof(git_clone_options));
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g_options.version = GIT_CLONE_OPTIONS_VERSION;
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g_options.checkout_opts = dummy_opts;
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g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
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g_options.remote_callbacks = dummy_callbacks;
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}
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void test_online_clone__cleanup(void)
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{
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if (g_repo) {
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git_repository_free(g_repo);
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g_repo = NULL;
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}
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cl_fixture_cleanup("./foo");
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}
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void test_online_clone__network_full(void)
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{
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git_remote *origin;
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cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
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cl_assert(!git_repository_is_bare(g_repo));
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cl_git_pass(git_remote_load(&origin, g_repo, "origin"));
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cl_assert_equal_i(GIT_REMOTE_DOWNLOAD_TAGS_AUTO, origin->download_tags);
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git_remote_free(origin);
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}
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void test_online_clone__network_bare(void)
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{
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git_remote *origin;
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g_options.bare = true;
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cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
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cl_assert(git_repository_is_bare(g_repo));
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cl_git_pass(git_remote_load(&origin, g_repo, "origin"));
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git_remote_free(origin);
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}
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void test_online_clone__empty_repository(void)
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{
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git_reference *head;
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cl_git_pass(git_clone(&g_repo, LIVE_EMPTYREPO_URL, "./foo", &g_options));
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cl_assert_equal_i(true, git_repository_is_empty(g_repo));
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cl_assert_equal_i(true, git_repository_head_unborn(g_repo));
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cl_git_pass(git_reference_lookup(&head, g_repo, GIT_HEAD_FILE));
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cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head));
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cl_assert_equal_s("refs/heads/master", git_reference_symbolic_target(head));
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git_reference_free(head);
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}
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static void checkout_progress(const char *path, size_t cur, size_t tot, void *payload)
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{
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bool *was_called = (bool*)payload;
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GIT_UNUSED(path); GIT_UNUSED(cur); GIT_UNUSED(tot);
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(*was_called) = true;
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}
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static int fetch_progress(const git_transfer_progress *stats, void *payload)
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{
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bool *was_called = (bool*)payload;
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GIT_UNUSED(stats);
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(*was_called) = true;
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return 0;
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}
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void test_online_clone__can_checkout_a_cloned_repo(void)
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{
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git_buf path = GIT_BUF_INIT;
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git_reference *head;
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bool checkout_progress_cb_was_called = false,
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fetch_progress_cb_was_called = false;
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g_options.checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE_CREATE;
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g_options.checkout_opts.progress_cb = &checkout_progress;
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g_options.checkout_opts.progress_payload = &checkout_progress_cb_was_called;
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g_options.remote_callbacks.transfer_progress = &fetch_progress;
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g_options.remote_callbacks.payload = &fetch_progress_cb_was_called;
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cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
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cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "master.txt"));
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cl_assert_equal_i(true, git_path_isfile(git_buf_cstr(&path)));
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cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD"));
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cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head));
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cl_assert_equal_s("refs/heads/master", git_reference_symbolic_target(head));
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cl_assert_equal_i(true, checkout_progress_cb_was_called);
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cl_assert_equal_i(true, fetch_progress_cb_was_called);
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git_reference_free(head);
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git_buf_free(&path);
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}
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void test_online_clone__clone_into(void)
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{
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git_buf path = GIT_BUF_INIT;
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git_remote *remote;
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git_reference *head;
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git_checkout_opts checkout_opts = GIT_CHECKOUT_OPTS_INIT;
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git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
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bool checkout_progress_cb_was_called = false,
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fetch_progress_cb_was_called = false;
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE_CREATE;
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checkout_opts.progress_cb = &checkout_progress;
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checkout_opts.progress_payload = &checkout_progress_cb_was_called;
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cl_git_pass(git_repository_init(&g_repo, "./foo", false));
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cl_git_pass(git_remote_create(&remote, g_repo, "origin", LIVE_REPO_URL));
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callbacks.transfer_progress = &fetch_progress;
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callbacks.payload = &fetch_progress_cb_was_called;
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git_remote_set_callbacks(remote, &callbacks);
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cl_git_pass(git_clone_into(g_repo, remote, &checkout_opts, NULL));
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cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "master.txt"));
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cl_assert_equal_i(true, git_path_isfile(git_buf_cstr(&path)));
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cl_git_pass(git_reference_lookup(&head, g_repo, "HEAD"));
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cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head));
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cl_assert_equal_s("refs/heads/master", git_reference_symbolic_target(head));
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cl_assert_equal_i(true, checkout_progress_cb_was_called);
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cl_assert_equal_i(true, fetch_progress_cb_was_called);
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git_remote_free(remote);
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git_reference_free(head);
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git_buf_free(&path);
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}
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static int update_tips(const char *refname, const git_oid *a, const git_oid *b, void *payload)
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{
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int *callcount = (int*)payload;
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GIT_UNUSED(refname); GIT_UNUSED(a); GIT_UNUSED(b);
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*callcount = *callcount + 1;
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return 0;
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}
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void test_online_clone__custom_remote_callbacks(void)
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{
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int callcount = 0;
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g_options.remote_callbacks.update_tips = update_tips;
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g_options.remote_callbacks.payload = &callcount;
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cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options));
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cl_assert(callcount > 0);
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}
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static int cred_failure_cb(
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git_cred **cred,
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const char *url,
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const char *username_from_url,
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unsigned int allowed_types,
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void *data)
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{
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GIT_UNUSED(cred); GIT_UNUSED(url); GIT_UNUSED(username_from_url);
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GIT_UNUSED(allowed_types); GIT_UNUSED(data);
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return -1;
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}
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void test_online_clone__cred_callback_failure_is_euser(void)
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{
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const char *remote_url = cl_getenv("GITTEST_REMOTE_URL");
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const char *remote_user = cl_getenv("GITTEST_REMOTE_USER");
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const char *remote_default = cl_getenv("GITTEST_REMOTE_DEFAULT");
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int error;
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if (!remote_url) {
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printf("GITTEST_REMOTE_URL unset; skipping clone test\n");
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return;
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}
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if (!remote_user && !remote_default) {
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printf("GITTEST_REMOTE_USER and GITTEST_REMOTE_DEFAULT unset; skipping clone test\n");
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return;
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}
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g_options.remote_callbacks.credentials = cred_failure_cb;
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cl_git_fail(error = git_clone(&g_repo, remote_url, "./foo", &g_options));
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cl_assert_equal_i(error, GIT_EUSER);
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}
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void test_online_clone__credentials(void)
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{
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/* Remote URL environment variable must be set. User and password are optional. */
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const char *remote_url = cl_getenv("GITTEST_REMOTE_URL");
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git_cred_userpass_payload user_pass = {
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cl_getenv("GITTEST_REMOTE_USER"),
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cl_getenv("GITTEST_REMOTE_PASS")
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};
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if (!remote_url) return;
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g_options.remote_callbacks.credentials = git_cred_userpass;
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g_options.remote_callbacks.payload = &user_pass;
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cl_git_pass(git_clone(&g_repo, remote_url, "./foo", &g_options));
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git_repository_free(g_repo); g_repo = NULL;
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cl_fixture_cleanup("./foo");
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}
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void test_online_clone__bitbucket_style(void)
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{
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git_cred_userpass_payload user_pass = {
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"libgit2", "libgit2"
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};
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g_options.remote_callbacks.credentials = git_cred_userpass;
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g_options.remote_callbacks.payload = &user_pass;
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cl_git_pass(git_clone(&g_repo, BB_REPO_URL, "./foo", &g_options));
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git_repository_free(g_repo); g_repo = NULL;
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cl_fixture_cleanup("./foo");
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/* User and pass from URL */
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user_pass.password = "wrong";
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cl_git_pass(git_clone(&g_repo, BB_REPO_URL_WITH_PASS, "./foo", &g_options));
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git_repository_free(g_repo); g_repo = NULL;
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cl_fixture_cleanup("./foo");
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/* Wrong password in URL, fall back to user_pass */
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user_pass.password = "libgit2";
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cl_git_pass(git_clone(&g_repo, BB_REPO_URL_WITH_WRONG_PASS, "./foo", &g_options));
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git_repository_free(g_repo); g_repo = NULL;
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cl_fixture_cleanup("./foo");
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}
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void test_online_clone__assembla_style(void)
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{
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cl_git_pass(git_clone(&g_repo, ASSEMBLA_REPO_URL, "./foo", NULL));
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}
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static int cancel_at_half(const git_transfer_progress *stats, void *payload)
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{
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GIT_UNUSED(payload);
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if (stats->received_objects > (stats->total_objects/2))
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return 4321;
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return 0;
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}
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void test_online_clone__can_cancel(void)
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{
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g_options.remote_callbacks.transfer_progress = cancel_at_half;
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cl_git_fail_with(
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git_clone(&g_repo, LIVE_REPO_URL, "./foo", &g_options), 4321);
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}
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