thodg/libgit2/tests/odb/alternates.c
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Hash : ac2fba0e
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Date : 2015-09-16T15:07:27
git_futils_mkdir_*: make a relative-to-base mkdir Untangle git_futils_mkdir from git_futils_mkdir_ext - the latter assumes that we own everything beneath the base, as if it were being called with a base of the repository or working directory, and is tailored towards checkout and ensuring that there is no bogosity beneath the base that must be cleaned up. This is (at best) slow and (at worst) unsafe in the larger context of a filesystem where we do not own things and cannot do things like unlink symlinks that are in our way.
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tests/odb/alternates.c
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#include "clar_libgit2.h" #include "odb.h" #include "filebuf.h" static git_buf destpath, filepath; static const char *paths[] = { "A.git", "B.git", "C.git", "D.git", "E.git", "F.git", "G.git" }; static git_filebuf file; static git_repository *repo; void test_odb_alternates__cleanup(void) { size_t i; git_buf_free(&destpath); git_buf_free(&filepath); for (i = 0; i < ARRAY_SIZE(paths); i++) cl_fixture_cleanup(paths[i]); } static void init_linked_repo(const char *path, const char *alternate) { git_buf_clear(&destpath); git_buf_clear(&filepath); cl_git_pass(git_repository_init(&repo, path, 1)); cl_git_pass(git_path_prettify(&destpath, alternate, NULL)); cl_git_pass(git_buf_joinpath(&destpath, destpath.ptr, "objects")); cl_git_pass(git_buf_joinpath(&filepath, git_repository_path(repo), "objects/info")); cl_git_pass(git_futils_mkdir(filepath.ptr, 0755, GIT_MKDIR_PATH)); cl_git_pass(git_buf_joinpath(&filepath, filepath.ptr , "alternates")); cl_git_pass(git_filebuf_open(&file, git_buf_cstr(&filepath), 0, 0666)); git_filebuf_printf(&file, "%s\n", git_buf_cstr(&destpath)); cl_git_pass(git_filebuf_commit(&file)); git_repository_free(repo); } void test_odb_alternates__chained(void) { git_commit *commit; git_oid oid; /* Set the alternate A -> testrepo.git */ init_linked_repo(paths[0], cl_fixture("testrepo.git")); /* Set the alternate B -> A */ init_linked_repo(paths[1], paths[0]); /* Now load B and see if we can find an object from testrepo.git */ cl_git_pass(git_repository_open(&repo, paths[1])); git_oid_fromstr(&oid, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750"); cl_git_pass(git_commit_lookup(&commit, repo, &oid)); git_commit_free(commit); git_repository_free(repo); } void test_odb_alternates__long_chain(void) { git_commit *commit; git_oid oid; size_t i; /* Set the alternate A -> testrepo.git */ init_linked_repo(paths[0], cl_fixture("testrepo.git")); /* Set up the five-element chain */ for (i = 1; i < ARRAY_SIZE(paths); i++) { init_linked_repo(paths[i], paths[i-1]); } /* Now load the last one and see if we can find an object from testrepo.git */ cl_git_pass(git_repository_open(&repo, paths[ARRAY_SIZE(paths)-1])); git_oid_fromstr(&oid, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750"); cl_git_fail(git_commit_lookup(&commit, repo, &oid)); git_repository_free(repo); }