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author | Russell Belfer <rb@github.com> | 2013-04-30 03:15:45 -0700 |
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committer | Russell Belfer <rb@github.com> | 2013-04-30 03:15:45 -0700 |
commit | 0a1755c045b930de474883eb6e7fedcc3403b494 (patch) | |
tree | cf129ba2df0a75873edc84579f72ea29044747de | |
parent | 4157851076d476b3b7f9a8bb9b85497517b14cdf (diff) | |
download | libgit2-0a1755c045b930de474883eb6e7fedcc3403b494.tar.gz |
Catch issue in config set with no config file
This prevents a segfault when setting a value in the config of a
repository that doesn't have a config file.
-rw-r--r-- | src/config.c | 6 | ||||
-rw-r--r-- | tests-clar/repo/open.c | 35 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/config.c b/src/config.c index 3c0bbe9a7..2e1268ef3 100644 --- a/src/config.c +++ b/src/config.c @@ -373,6 +373,12 @@ int git_config_set_string(git_config *cfg, const char *name, const char *value) } internal = git_vector_get(&cfg->files, 0); + if (!internal) { + /* Should we auto-vivify .git/config? Tricky from this location */ + giterr_set(GITERR_CONFIG, "Cannot set value when no config files exist"); + return GIT_ENOTFOUND; + } + file = internal->file; error = file->set(file, name, value); diff --git a/tests-clar/repo/open.c b/tests-clar/repo/open.c index 7f93ae91a..6b5253797 100644 --- a/tests-clar/repo/open.c +++ b/tests-clar/repo/open.c @@ -280,3 +280,38 @@ void test_repo_open__opening_a_non_existing_repository_returns_ENOTFOUND(void) git_repository *repo; cl_assert_equal_i(GIT_ENOTFOUND, git_repository_open(&repo, "i-do-not/exist")); } + +void test_repo_open__no_config(void) +{ + git_buf path = GIT_BUF_INIT; + git_repository *repo; + git_config *config; + + cl_fixture_sandbox("empty_standard_repo"); + cl_git_pass(cl_rename("empty_standard_repo/.gitted", "empty_standard_repo/.git")); + + /* remove local config */ + cl_git_pass(git_futils_rmdir_r( + "empty_standard_repo/.git/config", NULL, GIT_RMDIR_REMOVE_FILES)); + + /* isolate from system level configs */ + cl_must_pass(p_mkdir("alternate", 0777)); + cl_git_pass(git_path_prettify(&path, "alternate", NULL)); + cl_git_pass(git_libgit2_opts( + GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, path.ptr)); + cl_git_pass(git_libgit2_opts( + GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_SYSTEM, path.ptr)); + cl_git_pass(git_libgit2_opts( + GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_XDG, path.ptr)); + + git_buf_free(&path); + + cl_git_pass(git_repository_open(&repo, "empty_standard_repo")); + cl_git_pass(git_repository_config(&config, repo)); + + cl_git_fail(git_config_set_string(config, "test.set", "42")); + + git_config_free(config); + git_repository_free(repo); + cl_fixture_cleanup("empty_standard_repo"); +} |