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https://git.proxmox.com/git/libgit2
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cd79d99a4c
On Mac OS, `realpath` is deficient in determining the actual filename on-disk as it will simply provide the string you gave it if that file exists, instead of returning the filename as it exists. Instead we must read the directory entries for the parent directory to get the canonical filename.
302 lines
8.4 KiB
C
302 lines
8.4 KiB
C
#include "clar_libgit2.h"
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#include "git2/checkout.h"
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#include "refs.h"
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#include "path.h"
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#ifdef GIT_WIN32
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# include <windows.h>
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#else
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# include <dirent.h>
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#endif
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static git_repository *repo;
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static git_object *obj;
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static git_checkout_options checkout_opts;
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void test_checkout_icase__initialize(void)
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{
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git_oid id;
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git_config *cfg;
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int icase = 0;
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repo = cl_git_sandbox_init("testrepo");
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cl_git_pass(git_repository_config_snapshot(&cfg, repo));
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git_config_get_bool(&icase, cfg, "core.ignorecase");
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git_config_free(cfg);
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if (!icase)
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cl_skip();
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cl_git_pass(git_reference_name_to_id(&id, repo, "refs/heads/dir"));
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cl_git_pass(git_object_lookup(&obj, repo, &id, GIT_OBJ_ANY));
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git_checkout_init_options(&checkout_opts, GIT_CHECKOUT_OPTIONS_VERSION);
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checkout_opts.checkout_strategy = GIT_CHECKOUT_NONE;
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}
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void test_checkout_icase__cleanup(void)
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{
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git_object_free(obj);
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cl_git_sandbox_cleanup();
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}
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static char *get_filename(const char *in)
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{
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#ifdef GIT_WIN32
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HANDLE fh;
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HMODULE kerneldll;
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char *filename;
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typedef DWORD (__stdcall *getfinalpathname)(HANDLE, LPSTR, DWORD, DWORD);
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getfinalpathname getfinalpathfn;
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cl_assert(filename = malloc(MAX_PATH));
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cl_assert(kerneldll = LoadLibrary("kernel32.dll"));
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cl_assert(getfinalpathfn = (getfinalpathname)GetProcAddress(kerneldll, "GetFinalPathNameByHandleA"));
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cl_assert(fh = CreateFileA(in, FILE_READ_ATTRIBUTES | STANDARD_RIGHTS_READ, FILE_SHARE_READ,
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NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL));
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cl_win32_pass(getfinalpathfn(fh, filename, MAX_PATH, VOLUME_NAME_DOS));
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CloseHandle(fh);
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git_path_mkposix(filename);
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return filename;
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#else
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char *search_dirname, *search_filename, *filename = NULL;
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git_buf out = GIT_BUF_INIT;
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DIR *dir;
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struct dirent *de;
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cl_assert(search_dirname = git_path_dirname(in));
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cl_assert(search_filename = git_path_basename(in));
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cl_assert(dir = opendir(search_dirname));
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while ((de = readdir(dir))) {
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if (strcasecmp(de->d_name, search_filename) == 0) {
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git_buf_join(&out, '/', search_dirname, de->d_name);
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filename = git_buf_detach(&out);
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break;
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}
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}
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closedir(dir);
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git__free(search_dirname);
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git__free(search_filename);
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git_buf_free(&out);
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return filename;
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#endif
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}
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static void assert_name_is(const char *expected)
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{
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char *actual;
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size_t actual_len, expected_len, start;
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cl_assert(actual = get_filename(expected));
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expected_len = strlen(expected);
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actual_len = strlen(actual);
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cl_assert(actual_len >= expected_len);
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start = actual_len - expected_len;
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cl_assert_equal_s(expected, actual + start);
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if (start)
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cl_assert_equal_strn("/", actual + (start - 1), 1);
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free(actual);
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}
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void test_checkout_icase__refuses_to_overwrite_files_for_files(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE|GIT_CHECKOUT_RECREATE_MISSING;
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cl_git_write2file("testrepo/BRANCH_FILE.txt", "neue file\n", 10, \
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O_WRONLY | O_CREAT | O_TRUNC, 0644);
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cl_git_fail(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/BRANCH_FILE.txt");
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}
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void test_checkout_icase__overwrites_files_for_files_when_forced(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
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cl_git_write2file("testrepo/NEW.txt", "neue file\n", 10, \
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O_WRONLY | O_CREAT | O_TRUNC, 0644);
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cl_git_pass(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/new.txt");
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}
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void test_checkout_icase__refuses_to_overwrite_links_for_files(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE|GIT_CHECKOUT_RECREATE_MISSING;
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cl_must_pass(p_symlink("../tmp", "testrepo/BRANCH_FILE.txt"));
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cl_git_fail(git_checkout_tree(repo, obj, &checkout_opts));
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cl_assert(!git_path_exists("tmp"));
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assert_name_is("testrepo/BRANCH_FILE.txt");
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}
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void test_checkout_icase__overwrites_links_for_files_when_forced(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
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cl_must_pass(p_symlink("../tmp", "testrepo/NEW.txt"));
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cl_git_pass(git_checkout_tree(repo, obj, &checkout_opts));
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cl_assert(!git_path_exists("tmp"));
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assert_name_is("testrepo/new.txt");
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}
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void test_checkout_icase__overwrites_empty_folders_for_files(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE|GIT_CHECKOUT_RECREATE_MISSING;
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cl_must_pass(p_mkdir("testrepo/NEW.txt", 0777));
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cl_git_pass(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/new.txt");
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cl_assert(!git_path_isdir("testrepo/new.txt"));
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}
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void test_checkout_icase__refuses_to_overwrite_populated_folders_for_files(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE|GIT_CHECKOUT_RECREATE_MISSING;
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cl_must_pass(p_mkdir("testrepo/BRANCH_FILE.txt", 0777));
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cl_git_write2file("testrepo/BRANCH_FILE.txt/foobar", "neue file\n", 10, \
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O_WRONLY | O_CREAT | O_TRUNC, 0644);
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cl_git_fail(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/BRANCH_FILE.txt");
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cl_assert(git_path_isdir("testrepo/BRANCH_FILE.txt"));
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}
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void test_checkout_icase__overwrites_folders_for_files_when_forced(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
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cl_must_pass(p_mkdir("testrepo/NEW.txt", 0777));
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cl_git_write2file("testrepo/NEW.txt/foobar", "neue file\n", 10, \
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O_WRONLY | O_CREAT | O_TRUNC, 0644);
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cl_git_pass(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/new.txt");
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cl_assert(!git_path_isdir("testrepo/new.txt"));
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}
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void test_checkout_icase__refuses_to_overwrite_files_for_folders(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE|GIT_CHECKOUT_RECREATE_MISSING;
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cl_git_write2file("testrepo/A", "neue file\n", 10, \
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O_WRONLY | O_CREAT | O_TRUNC, 0644);
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cl_git_fail(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/A");
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cl_assert(!git_path_isdir("testrepo/A"));
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}
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void test_checkout_icase__overwrites_files_for_folders_when_forced(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
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cl_git_write2file("testrepo/A", "neue file\n", 10, \
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O_WRONLY | O_CREAT | O_TRUNC, 0644);
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cl_git_pass(git_checkout_tree(repo, obj, &checkout_opts));
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assert_name_is("testrepo/a");
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cl_assert(git_path_isdir("testrepo/a"));
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}
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void test_checkout_icase__refuses_to_overwrite_links_for_folders(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE|GIT_CHECKOUT_RECREATE_MISSING;
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cl_must_pass(p_symlink("..", "testrepo/A"));
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cl_git_fail(git_checkout_tree(repo, obj, &checkout_opts));
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cl_assert(!git_path_exists("b.txt"));
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assert_name_is("testrepo/A");
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}
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void test_checkout_icase__overwrites_links_for_folders_when_forced(void)
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{
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checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
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cl_must_pass(p_symlink("..", "testrepo/A"));
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cl_git_pass(git_checkout_tree(repo, obj, &checkout_opts));
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cl_assert(!git_path_exists("b.txt"));
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assert_name_is("testrepo/a");
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}
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void test_checkout_icase__ignores_unstaged_casechange(void)
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{
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git_reference *orig_ref, *br2_ref;
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git_commit *orig, *br2;
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git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
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cl_git_pass(git_reference_lookup_resolved(&orig_ref, repo, "HEAD", 100));
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cl_git_pass(git_commit_lookup(&orig, repo, git_reference_target(orig_ref)));
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cl_git_pass(git_reset(repo, (git_object *)orig, GIT_RESET_HARD, NULL));
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cl_rename("testrepo/branch_file.txt", "testrepo/Branch_File.txt");
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cl_git_pass(git_reference_lookup_resolved(&br2_ref, repo, "refs/heads/br2", 100));
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cl_git_pass(git_commit_lookup(&br2, repo, git_reference_target(br2_ref)));
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cl_git_pass(git_checkout_tree(repo, (const git_object *)br2, &checkout_opts));
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git_commit_free(orig);
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git_reference_free(orig_ref);
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}
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void test_checkout_icase__conflicts_with_casechanged_subtrees(void)
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{
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git_reference *orig_ref;
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git_object *orig, *subtrees;
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git_oid oid;
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git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;
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checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
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cl_git_pass(git_reference_lookup_resolved(&orig_ref, repo, "HEAD", 100));
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cl_git_pass(git_object_lookup(&orig, repo, git_reference_target(orig_ref), GIT_OBJ_COMMIT));
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cl_git_pass(git_reset(repo, (git_object *)orig, GIT_RESET_HARD, NULL));
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cl_must_pass(p_mkdir("testrepo/AB", 0777));
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cl_must_pass(p_mkdir("testrepo/AB/C", 0777));
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cl_git_write2file("testrepo/AB/C/3.txt", "Foobar!\n", 8, O_RDWR|O_CREAT, 0666);
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cl_git_pass(git_reference_name_to_id(&oid, repo, "refs/heads/subtrees"));
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cl_git_pass(git_object_lookup(&subtrees, repo, &oid, GIT_OBJ_ANY));
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cl_git_fail(git_checkout_tree(repo, subtrees, &checkout_opts));
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git_object_free(orig);
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git_object_free(subtrees);
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git_reference_free(orig_ref);
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}
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