[PATCH v2 2/3] config: let sequence require a successful file
From: Delilah Ashley Wu <hidden>
Date: 2026-08-23 10:30:59
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Delilah Ashley Wu <redacted> Teach `do_git_config_sequence()` to optionally report an error if no configuration files in the sequence were successfully processed. Gate this new behaviour with a flag and keep it disabled for now. Add tests to record existing behaviour and prevent regressions in the next patch, "config: read global scope via config_sequence", which adds a code path that enables the flag. When no global configuration file exists, `git config list` succeeds whereas `git config list --global` fails. The command output is irrelevant, so only check the exit code. Signed-off-by: Delilah Ashley Wu <redacted> --- config.c | 57 ++++++++++++++++++++++++++++++++++++++----------------- t/t1300-config.sh | 12 ++++++++++++ 2 files changed, 52 insertions(+), 17 deletions(-)
diff --git a/config.c b/config.c
index 1bdd702e7a..4c958f46bf 100644
--- a/config.c
+++ b/config.c@@ -1544,11 +1544,27 @@ int git_config_system(void) return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); } +static void attempt_git_config_from_file_with_options(config_fn_t fn, + const char *filename, + void *data, + enum config_scope scope, + const struct config_options *opts, + int *success_count, + int *cumulative_ret) +{ + int ret = git_config_from_file_with_options(fn, filename, data, + scope, opts); + if (!ret) + (*success_count)++; + *cumulative_ret += ret; +} + static int do_git_config_sequence(const struct config_options *opts, - const struct repository *repo, - config_fn_t fn, void *data) + const struct repository *repo, config_fn_t fn, + void *data, int require_successful_config) { int ret = 0; + int success_count = 0; char *system_config = git_system_config(); char *xdg_config = NULL; char *user_config = NULL;
@@ -1574,32 +1590,35 @@ static int do_git_config_sequence(const struct config_options *opts, if (git_config_system() && system_config && !access_or_die(system_config, R_OK, opts->system_gently ? ACCESS_EACCES_OK : 0)) - ret += git_config_from_file_with_options(fn, system_config, - data, CONFIG_SCOPE_SYSTEM, - NULL); + attempt_git_config_from_file_with_options(fn, system_config, data, + CONFIG_SCOPE_SYSTEM, NULL, + &success_count, &ret); git_global_config_paths(&user_config, &xdg_config); if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) - ret += git_config_from_file_with_options(fn, xdg_config, data, - CONFIG_SCOPE_GLOBAL, NULL); + attempt_git_config_from_file_with_options(fn, xdg_config, + data, + CONFIG_SCOPE_GLOBAL, + NULL, &success_count, &ret); if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) - ret += git_config_from_file_with_options(fn, user_config, data, - CONFIG_SCOPE_GLOBAL, NULL); + attempt_git_config_from_file_with_options(fn, user_config, + data, + CONFIG_SCOPE_GLOBAL, + NULL, &success_count, &ret); if (!opts->ignore_repo && repo_config && !access_or_die(repo_config, R_OK, 0)) - ret += git_config_from_file_with_options(fn, repo_config, data, - CONFIG_SCOPE_LOCAL, NULL); + attempt_git_config_from_file_with_options(fn, repo_config, data, + CONFIG_SCOPE_LOCAL, NULL, &success_count, &ret); if (!opts->ignore_worktree && worktree_config && repo && repo->repository_format_worktree_config && - !access_or_die(worktree_config, R_OK, 0)) { - ret += git_config_from_file_with_options(fn, worktree_config, data, - CONFIG_SCOPE_WORKTREE, - NULL); - } + !access_or_die(worktree_config, R_OK, 0)) + attempt_git_config_from_file_with_options(fn, worktree_config, data, + CONFIG_SCOPE_WORKTREE, + NULL, &success_count, &ret); if (!opts->ignore_cmdline && git_config_from_parameters(fn, data) < 0) die(_("unable to parse command-line config"));
@@ -1609,6 +1628,10 @@ static int do_git_config_sequence(const struct config_options *opts, free(user_config); free(repo_config); free(worktree_config); + + if (require_successful_config && !success_count && !ret) + ret = -1; + return ret; }
@@ -1644,7 +1667,7 @@ int config_with_options(config_fn_t fn, void *data, ret = git_config_from_blob_ref(fn, repo, config_source->blob, data, config_source->scope); } else { - ret = do_git_config_sequence(opts, repo, fn, data); + ret = do_git_config_sequence(opts, repo, fn, data, 0); } if (inc.remote_urls) {
diff --git a/t/t1300-config.sh b/t/t1300-config.sh
index 329407a73d..2ce85b76ff 100755
--- a/t/t1300-config.sh
+++ b/t/t1300-config.sh@@ -2457,6 +2457,18 @@ test_expect_success '--show-scope with --default' ' test_cmp expect actual ' +test_expect_success 'list with nonexistent global config gracefully exits' ' + rm -f "$HOME"/.gitconfig "$HOME"/.config/git/config && + git config ${mode_prefix}list && + git config ${mode_prefix}list --show-scope +' + +test_expect_success 'list --global with nonexistent global config fails' ' + rm -f "$HOME"/.gitconfig "$HOME"/.config/git/config && + test_must_fail git config ${mode_prefix}list --global && + test_must_fail git config ${mode_prefix}list --global --show-scope +' + test_expect_success 'override global and system config' ' test_when_finished rm -f \"\$HOME\"/.gitconfig && cat >"$HOME"/.gitconfig <<-EOF &&
--
2.54.0