Merge branch 'tz/avoid-newer-config-syntax-in-older-maint-tracks' into maint-2.43

* tz/avoid-newer-config-syntax-in-older-maint-tracks:
  t: avoid git config syntax from newer releases

Author: gitster

t/t1300-config.sh

@@ -2595,8 +2595,8 @@ test_expect_success 'writing value with trailing CR not stripped on read' '
 
 	printf "bar\r\n" >expect &&
 	git init cr-test &&
-	git -C cr-test config set core.foo $(printf "bar\r") &&
-	git -C cr-test config get core.foo >actual &&
+	git -C cr-test config core.foo $(printf "bar\r") &&
+	git -C cr-test config --get core.foo >actual &&
 
 	test_cmp expect actual
 '

t/t7450-bad-git-dotfiles.sh

@@ -362,10 +362,10 @@ test_expect_success SYMLINKS,!WINDOWS,!MINGW 'submodule must not checkout into d
 	git -C repo mv sub $(printf "sub\r") &&
 
 	# Ensure config values containing CR are wrapped in quotes.
-	git config unset -f repo/.gitmodules submodule.sub.path &&
+	git config --unset -f repo/.gitmodules submodule.sub.path &&
 	printf "\tpath = \"sub\r\"\n" >>repo/.gitmodules &&
 
-	git config unset -f repo/.git/modules/sub/config core.worktree &&
+	git config --unset -f repo/.git/modules/sub/config core.worktree &&
 	{
 		printf "[core]\n" &&
 		printf "\tworktree = \"../../../sub\r\"\n"