Merge branch 'gc/document-config-worktree-scope'

Doc update.

* gc/document-config-worktree-scope:
  config: document and test the 'worktree' scope

Documentation/git-config.txt

@@ -248,7 +248,7 @@ Valid `<type>`'s include:
 --show-scope::
 	Similar to `--show-origin` in that it augments the output of
 	all queried config options with the scope of that value
-	(local, global, system, command).
+	(worktree, local, global, system, command).
 
 --get-colorbool <name> [<stdout-is-tty>]::
 

t/t1300-config.sh

@@ -2024,8 +2024,17 @@ test_expect_success '--show-scope with --list' '
 	local	user.override=local
 	local	include.path=../include/relative.include
 	local	user.relative=include
+	local	core.repositoryformatversion=1
+	local	extensions.worktreeconfig=true
+	worktree	user.worktree=true
 	command	user.cmdline=true
 	EOF
+	git worktree add wt1 &&
+	# We need these to test for worktree scope, but outside of this
+	# test, this is just noise
+	test_config core.repositoryformatversion 1 &&
+	test_config extensions.worktreeConfig true &&
+	git config --worktree user.worktree true &&
 	git -c user.cmdline=true config --list --show-scope >output &&
 	test_cmp expect output
 '