[PATCH v2 4/6] config: don't implicitly use gitdir

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Commit 2185fde56 (config: handle conditional include when $GIT_DIR is
not set up) added a 'git_dir' field to the config_options struct.  Let's
use this option field explicitly all the time instead of occasionally
falling back to calling 'git_pathdup("config")' to get the path to the
local repository configuration.  This allows 'do_git_config_sequence()'
to not implicitly rely on global repository state.

Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx>
---
 builtin/config.c | 2 ++
 config.c         | 6 ++----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/builtin/config.c b/builtin/config.c
index 753c40a5c..f06a8dff2 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -539,6 +539,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 		config_options.respect_includes = !given_config_source.file;
 	else
 		config_options.respect_includes = respect_includes_opt;
+	if (!nongit)
+		config_options.git_dir = get_git_common_dir();
 
 	if (end_null) {
 		term = '\0';
diff --git a/config.c b/config.c
index 2390f98e3..4e2842689 100644
--- a/config.c
+++ b/config.c
@@ -219,8 +219,6 @@ static int include_by_gitdir(const struct config_options *opts,
 
 	if (opts->git_dir)
 		git_dir = opts->git_dir;
-	else if (have_git_dir())
-		git_dir = get_git_dir();
 	else
 		goto done;
 
@@ -1548,8 +1546,6 @@ static int do_git_config_sequence(const struct config_options *opts,
 
 	if (opts->git_dir)
 		repo_config = mkpathdup("%s/config", opts->git_dir);
-	else if (have_git_dir())
-		repo_config = git_pathdup("config");
 	else
 		repo_config = NULL;
 
@@ -1613,6 +1609,8 @@ static void git_config_raw(config_fn_t fn, void *data)
 	struct config_options opts = {0};
 
 	opts.respect_includes = 1;
+	if (have_git_dir())
+		opts.git_dir = get_git_common_dir();
 	if (git_config_with_options(fn, data, NULL, &opts) < 0)
 		/*
 		 * git_config_with_options() normally returns only
-- 
2.13.1.518.g3df882009-goog




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