thodg/libgit2/tests/checkout/head.c
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Hash : 275693e2
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Date : 2018-02-20T12:45:40
checkout test: ensure workdir mode is simplified Ensure that when examining the working directory for checkout that the mode is correctly simplified. Git only pays attention to whether a file is executable or not. When examining a working directory, we should coalesce modes in the working directory to either `0755` (indicating that a file is executable) or `0644` (indicating that it is not). Test this by giving the file an exotic mode, and ensuring that when checkout out a branch that changes the file's contents, that we do not have a checkout conflict.
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tests/checkout/head.c
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#include "clar_libgit2.h" #include "refs.h" #include "repo/repo_helpers.h" #include "path.h" #include "fileops.h" static git_repository *g_repo; void test_checkout_head__initialize(void) { g_repo = cl_git_sandbox_init("testrepo"); } void test_checkout_head__cleanup(void) { cl_git_sandbox_cleanup(); } void test_checkout_head__unborn_head_returns_GIT_EUNBORNBRANCH(void) { make_head_unborn(g_repo, NON_EXISTING_HEAD); cl_assert_equal_i(GIT_EUNBORNBRANCH, git_checkout_head(g_repo, NULL)); } void test_checkout_head__with_index_only_tree(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_index *index; /* let's start by getting things into a known state */ opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_checkout_head(g_repo, &opts)); /* now let's stage some new stuff including a new directory */ cl_git_pass(git_repository_index(&index, g_repo)); p_mkdir("testrepo/newdir", 0777); cl_git_mkfile("testrepo/newdir/newfile.txt", "new file\n"); cl_git_pass(git_index_add_bypath(index, "newdir/newfile.txt")); cl_git_pass(git_index_write(index)); cl_assert(git_path_isfile("testrepo/newdir/newfile.txt")); cl_assert(git_index_get_bypath(index, "newdir/newfile.txt", 0) != NULL); git_index_free(index); /* okay, so now we have staged this new file; let's see if we can remove */ opts.checkout_strategy = GIT_CHECKOUT_FORCE | GIT_CHECKOUT_REMOVE_UNTRACKED; cl_git_pass(git_checkout_head(g_repo, &opts)); cl_git_pass(git_repository_index(&index, g_repo)); cl_assert(!git_path_isfile("testrepo/newdir/newfile.txt")); cl_assert(git_index_get_bypath(index, "newdir/newfile.txt", 0) == NULL); git_index_free(index); } void test_checkout_head__do_not_remove_untracked_file(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_index *index; cl_git_pass(p_mkdir("testrepo/tracked", 0755)); cl_git_mkfile("testrepo/tracked/tracked", "tracked\n"); cl_git_mkfile("testrepo/tracked/untracked", "untracked\n"); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_add_bypath(index, "tracked/tracked")); cl_git_pass(git_index_write(index)); git_index_free(index); opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_checkout_head(g_repo, &opts)); cl_assert(!git_path_isfile("testrepo/tracked/tracked")); cl_assert(git_path_isfile("testrepo/tracked/untracked")); } void test_checkout_head__do_not_remove_untracked_file_in_subdir(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_index *index; cl_git_pass(p_mkdir("testrepo/tracked", 0755)); cl_git_pass(p_mkdir("testrepo/tracked/subdir", 0755)); cl_git_mkfile("testrepo/tracked/tracked", "tracked\n"); cl_git_mkfile("testrepo/tracked/subdir/tracked", "tracked\n"); cl_git_mkfile("testrepo/tracked/subdir/untracked", "untracked\n"); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_add_bypath(index, "tracked/tracked")); cl_git_pass(git_index_add_bypath(index, "tracked/subdir/tracked")); cl_git_pass(git_index_write(index)); git_index_free(index); opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_checkout_head(g_repo, &opts)); cl_assert(!git_path_isfile("testrepo/tracked/tracked")); cl_assert(!git_path_isfile("testrepo/tracked/subdir/tracked")); cl_assert(git_path_isfile("testrepo/tracked/subdir/untracked")); } void test_checkout_head__do_remove_tracked_subdir(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_index *index; cl_git_pass(p_mkdir("testrepo/subdir", 0755)); cl_git_pass(p_mkdir("testrepo/subdir/tracked", 0755)); cl_git_mkfile("testrepo/subdir/tracked-file", "tracked\n"); cl_git_mkfile("testrepo/subdir/untracked-file", "untracked\n"); cl_git_mkfile("testrepo/subdir/tracked/tracked1", "tracked\n"); cl_git_mkfile("testrepo/subdir/tracked/tracked2", "tracked\n"); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_add_bypath(index, "subdir/tracked-file")); cl_git_pass(git_index_add_bypath(index, "subdir/tracked/tracked1")); cl_git_pass(git_index_add_bypath(index, "subdir/tracked/tracked2")); cl_git_pass(git_index_write(index)); git_index_free(index); opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_checkout_head(g_repo, &opts)); cl_assert(!git_path_isdir("testrepo/subdir/tracked")); cl_assert(!git_path_isfile("testrepo/subdir/tracked-file")); cl_assert(git_path_isfile("testrepo/subdir/untracked-file")); } void test_checkout_head__typechange_workdir(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_object *target; struct stat st; opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_revparse_single(&target, g_repo, "HEAD")); cl_git_pass(git_reset(g_repo, target, GIT_RESET_HARD, NULL)); cl_must_pass(p_chmod("testrepo/new.txt", 0755)); cl_git_pass(git_checkout_head(g_repo, &opts)); cl_git_pass(p_stat("testrepo/new.txt", &st)); cl_assert(!GIT_PERMS_IS_EXEC(st.st_mode)); git_object_free(target); } void test_checkout_head__typechange_index_and_workdir(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_object *target; git_index *index; struct stat st; opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_revparse_single(&target, g_repo, "HEAD")); cl_git_pass(git_reset(g_repo, target, GIT_RESET_HARD, NULL)); cl_must_pass(p_chmod("testrepo/new.txt", 0755)); cl_git_pass(git_repository_index(&index, g_repo)); cl_git_pass(git_index_add_bypath(index, "new.txt")); cl_git_pass(git_index_write(index)); cl_git_pass(git_checkout_head(g_repo, &opts)); cl_git_pass(p_stat("testrepo/new.txt", &st)); cl_assert(!GIT_PERMS_IS_EXEC(st.st_mode)); git_object_free(target); git_index_free(index); } void test_checkout_head__workdir_filemode_is_simplified(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_object *target, *branch; opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_revparse_single(&target, g_repo, "a38d028f71eaa590febb7d716b1ca32350cf70da")); cl_git_pass(git_reset(g_repo, target, GIT_RESET_HARD, NULL)); cl_must_pass(p_chmod("testrepo/branch_file.txt", 0666)); /* * Checkout should not fail with a conflict; though the file mode * on disk is literally different to the base (0666 vs 0644), Git * ignores the actual mode and simply treats both as non-executable. */ cl_git_pass(git_revparse_single(&branch, g_repo, "099fabac3a9ea935598528c27f866e34089c2eff")); opts.checkout_strategy &= ~GIT_CHECKOUT_FORCE; opts.checkout_strategy |= GIT_CHECKOUT_SAFE; cl_git_pass(git_checkout_tree(g_repo, branch, NULL)); git_object_free(branch); git_object_free(target); } void test_checkout_head__obeys_filemode_true(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_object *target, *branch; opts.checkout_strategy = GIT_CHECKOUT_FORCE; /* In this commit, `README` is executable */ cl_git_pass(git_revparse_single(&target, g_repo, "f9ed4af42472941da45a3c")); cl_git_pass(git_reset(g_repo, target, GIT_RESET_HARD, NULL)); cl_repo_set_bool(g_repo, "core.filemode", true); cl_must_pass(p_chmod("testrepo/README", 0644)); /* * Checkout will fail with a conflict; the file mode is updated in * the checkout target, but the contents have changed in our branch. */ cl_git_pass(git_revparse_single(&branch, g_repo, "099fabac3a9ea935598528c27f866e34089c2eff")); opts.checkout_strategy &= ~GIT_CHECKOUT_FORCE; opts.checkout_strategy |= GIT_CHECKOUT_SAFE; cl_git_fail_with(GIT_ECONFLICT, git_checkout_tree(g_repo, branch, NULL)); git_object_free(branch); git_object_free(target); } void test_checkout_head__obeys_filemode_false(void) { git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_object *target, *branch; opts.checkout_strategy = GIT_CHECKOUT_FORCE; /* In this commit, `README` is executable */ cl_git_pass(git_revparse_single(&target, g_repo, "f9ed4af42472941da45a3c")); cl_git_pass(git_reset(g_repo, target, GIT_RESET_HARD, NULL)); cl_repo_set_bool(g_repo, "core.filemode", false); cl_must_pass(p_chmod("testrepo/README", 0644)); /* * Checkout will fail with a conflict; the file contents are updated * in the checkout target, but the filemode has changed in our branch. */ cl_git_pass(git_revparse_single(&branch, g_repo, "099fabac3a9ea935598528c27f866e34089c2eff")); opts.checkout_strategy &= ~GIT_CHECKOUT_FORCE; opts.checkout_strategy |= GIT_CHECKOUT_SAFE; cl_git_pass(git_checkout_tree(g_repo, branch, NULL)); git_object_free(branch); git_object_free(target); }