diff --git a/builtin/config.c b/builtin/config.c
index 0882899c3f..a7468e86d3 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -957,6 +957,17 @@ static void location_options_init(struct config_location_options *opts,
 	}
 
 	if (opts->use_global_config) {
+		/*
+		 * Since global config is sourced from more than one location,
+		 * read it using `do_git_config_sequence()` with other scopes
+		 * ignored. However, writing global config should point to a
+		 * single destination, set in `opts->source.file`.
+		 */
+		opts->options.ignore_repo = 1;
+		opts->options.ignore_cmdline = 1;
+		opts->options.ignore_worktree = 1;
+		opts->options.ignore_system = 1;
+
 		opts->source.file = opts->file_to_free = git_global_config();
 		if (!opts->source.file)
 			/*
diff --git a/config.c b/config.c
index 4c958f46bf..acad89102d 100644
--- a/config.c
+++ b/config.c
@@ -1587,26 +1587,31 @@ static int do_git_config_sequence(const struct config_options *opts,
 		worktree_config = NULL;
 	}
 
-	if (git_config_system() && system_config &&
+	if (!opts->ignore_system && git_config_system() && system_config &&
 	    !access_or_die(system_config, R_OK,
 			   opts->system_gently ? ACCESS_EACCES_OK : 0))
 		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 (!opts->ignore_global) {
+		git_global_config_paths(&user_config, &xdg_config);
 
-	if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
-		attempt_git_config_from_file_with_options(fn, xdg_config,
-							  data,
-							  CONFIG_SCOPE_GLOBAL,
-							  NULL, &success_count, &ret);
+		if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
+			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))
-		attempt_git_config_from_file_with_options(fn, user_config,
-							  data,
-							  CONFIG_SCOPE_GLOBAL,
-							  NULL, &success_count, &ret);
+		if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
+			attempt_git_config_from_file_with_options(fn, user_config,
+								  data,
+								  CONFIG_SCOPE_GLOBAL,
+								  NULL, &success_count, &ret);
+
+		free(xdg_config);
+		free(user_config);
+	}
 
 	if (!opts->ignore_repo && repo_config &&
 	    !access_or_die(repo_config, R_OK, 0))
@@ -1624,8 +1629,6 @@ static int do_git_config_sequence(const struct config_options *opts,
 		die(_("unable to parse command-line config"));
 
 	free(system_config);
-	free(xdg_config);
-	free(user_config);
 	free(repo_config);
 	free(worktree_config);
 
@@ -1659,7 +1662,8 @@ int config_with_options(config_fn_t fn, void *data,
 	 */
 	if (config_source && config_source->use_stdin) {
 		ret = git_config_from_stdin(fn, data, config_source->scope);
-	} else if (config_source && config_source->file) {
+	} else if (config_source && config_source->file &&
+		   config_source->scope != CONFIG_SCOPE_GLOBAL) {
 		ret = git_config_from_file_with_options(fn, config_source->file,
 							data, config_source->scope,
 							NULL);
@@ -1667,7 +1671,8 @@ 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, 0);
+		ret = do_git_config_sequence(opts, repo, fn, data,
+					     config_source && config_source->scope == CONFIG_SCOPE_GLOBAL);
 	}
 
 	if (inc.remote_urls) {
diff --git a/config.h b/config.h
index 31fe3e2961..eb2d7a2843 100644
--- a/config.h
+++ b/config.h
@@ -87,6 +87,8 @@ typedef int (*config_parser_event_fn_t)(enum config_event_t type,
 
 struct config_options {
 	unsigned int respect_includes : 1;
+	unsigned int ignore_system : 1;
+	unsigned int ignore_global : 1;
 	unsigned int ignore_repo : 1;
 	unsigned int ignore_worktree : 1;
 	unsigned int ignore_cmdline : 1;
diff --git a/t/t1300-config.sh b/t/t1300-config.sh
index 2ce85b76ff..b6fd6e24ea 100755
--- a/t/t1300-config.sh
+++ b/t/t1300-config.sh
@@ -2469,6 +2469,77 @@ test_expect_success 'list --global with nonexistent global config fails' '
 	test_must_fail git config ${mode_prefix}list --global --show-scope
 '
 
+test_expect_success 'list and get --global with only home' '
+	rm -f "$HOME"/.config/git/config &&
+
+	test_when_finished rm -f \"\$HOME\"/.gitconfig &&
+	cat >"$HOME"/.gitconfig <<-EOF &&
+	[home]
+		config = true
+	EOF
+
+	cat >expect <<-EOF &&
+	global	home.config=true
+	EOF
+	git config ${mode_prefix}list --global --show-scope >actual &&
+	test_cmp expect actual &&
+
+	echo true >expect &&
+	git config ${mode_get} --global home.config >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'list and get --global with only xdg' '
+	rm -f "$HOME"/.gitconfig &&
+
+	test_when_finished rm -rf \"\$HOME\"/.config/git &&
+	mkdir -p "$HOME"/.config/git &&
+	cat >"$HOME"/.config/git/config <<-EOF &&
+	[xdg]
+		config = true
+	EOF
+
+	cat >expect <<-EOF &&
+	global	xdg.config=true
+	EOF
+	git config ${mode_prefix}list --global --show-scope >actual &&
+	test_cmp expect actual &&
+
+	echo true >expect &&
+	git config ${mode_get} --global xdg.config >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'list and get --global with both home and xdg' '
+	test_when_finished rm -f \"\$HOME\"/.gitconfig &&
+	cat >"$HOME"/.gitconfig <<-EOF &&
+	[home]
+		config = home
+	EOF
+
+	test_when_finished rm -rf \"\$HOME\"/.config/git &&
+	mkdir -p "$HOME"/.config/git &&
+	cat >"$HOME"/.config/git/config <<-EOF &&
+	[xdg]
+		config = xdg
+	EOF
+
+	cat >expect <<-EOF &&
+	global	file:$HOME/.config/git/config	xdg.config=xdg
+	global	file:$HOME/.gitconfig	home.config=home
+	EOF
+	git config ${mode_prefix}list --global --show-scope --show-origin >actual &&
+	test_cmp expect actual &&
+
+	echo xdg >expect &&
+	git config ${mode_get} --global xdg.config >actual &&
+	test_cmp expect actual &&
+
+	echo home >expect &&
+	git config ${mode_get} --global home.config >actual &&
+	test_cmp expect actual
+'
+
 test_expect_success 'override global and system config' '
 	test_when_finished rm -f \"\$HOME\"/.gitconfig &&
 	cat >"$HOME"/.gitconfig <<-EOF &&
diff --git a/t/t1306-xdg-files.sh b/t/t1306-xdg-files.sh
index 40d3c42618..3a9a04bcc1 100755
--- a/t/t1306-xdg-files.sh
+++ b/t/t1306-xdg-files.sh
@@ -52,6 +52,8 @@ test_expect_success 'read with --get: xdg file exists and ~/.gitconfig exists' '
 	echo "	name = read_gitconfig" >>.gitconfig &&
 	echo read_gitconfig >expected &&
 	git config --get user.name >actual &&
+	test_cmp expected actual &&
+	git config --global --get user.name >actual &&
 	test_cmp expected actual
 '
 
@@ -68,7 +70,8 @@ test_expect_success 'read with --list: xdg file exists and ~/.gitconfig exists'
 	>.gitconfig &&
 	echo "[user]" >.gitconfig &&
 	echo "	name = read_gitconfig" >>.gitconfig &&
-	echo user.name=read_gitconfig >expected &&
+	echo user.name=read_config >expected &&
+	echo user.name=read_gitconfig >>expected &&
 	git config --global --list >actual &&
 	test_cmp expected actual
 '