git-helper: add support for --no-path

commands/git-helper

@@ -18,7 +18,8 @@ function git_helper() (
 			OPTIONS:
 			--path=<path>
 			    Instead of the current working directory, use this path as the git repository.
-
+			--no-path
+			    Use a temporary directory as the container for the git repository.
 			--verify
 			    Verify the <path> contains an initialised git repository before proceeding with the <action>.
 
@@ -73,7 +74,7 @@ function git_helper() (
 			        current    exit code 0
 			        updated    exit code 0
 
-			umt | upstream-modification-times
+			upstream-modification-times | umt
 			    Update the modification times of cloned files to that of their commits, rather than the time of cloning.
 
 			verify
@@ -96,6 +97,7 @@ function git_helper() (
 		case "$item" in
 		'--help' | '-h') help ;;
 		'--path='*) option_path="${item#*=}" ;;
+		'--no-path') option_path="$(fs-temp --directory='git-helper' --directory --touch)" ;;
 		'--no-verify'* | '--verify'*)
 			option_verify="$(get-flag-value --affirmative --fallback="$option_verify" -- "$item")"
 			;;