dorothy: add __eval_wrap helper for debug clarity

commands/dorothy

@@ -384,6 +384,16 @@ function dorothy_() (
 	# =====================================
 	# Helpers
 
+	function __eval_wrap {
+		# trim -- prefix
+		if test "${1-}" = '--'; then
+			shift
+		fi
+		# proceed
+		printf '%s\n' "$*"
+		"$@" # eval
+	}
+
 	function ensure_prereq_dependencies {
 		# ensure locations exist
 		__mkdirp "$XDG_CONFIG_HOME" "$XDG_CACHE_HOME" "$XDG_BIN_HOME" "$XDG_DATA_HOME" "$XDG_STATE_HOME"
@@ -583,11 +593,11 @@ function dorothy_() (
 		# if destination is a symlink, resolve it, move it, and remove it
 		if test -L "$destination"; then
 			if test -e "$destination"; then
-				temp2="$(__fs_realpath -- "$destination")"
+				temp="$(__fs_realpath -- "$destination")"
 				# remove the destination symlink
 				rm -f "$destination"
 				# relocate the target to the destination
-				mv -fv "$temp2" "$destination"
+				mv -fv "$temp" "$destination"
 			else
 				# remove the destination symlink
 				rm -f "$destination"
@@ -802,11 +812,11 @@ function dorothy_() (
 					"$option_branch"
 				)
 			fi
-			git clone "${clone_args[@]}" "https://github.com/$option_slug.git" "$DOROTHY"
+			__eval_wrap -- git clone "${clone_args[@]}" "https://github.com/$option_slug.git" "$DOROTHY"
 			if test -n "$option_reference"; then
 				(
 					cd "$DOROTHY"
-					git checkout --quiet "$option_reference" # --quiet to suppress "detached HEAD" feedback
+					__eval_wrap -- git checkout --quiet "$option_reference" # --quiet to suppress "detached HEAD" feedback
 				)
 			fi
 		}
@@ -831,7 +841,7 @@ function dorothy_() (
 				# we do not have the intelligence yet to update origin and upstream, so we will just update upstream
 				git remote remove "$dorothy_upstream_remote_name" 2>/dev/null || : # don't care if doesn't exist, and remove to ensure desired URL is applied
 				git remote add --fetch "$dorothy_upstream_remote_name" "$dorothy_upstream_git_https" || return
-				git pull "$dorothy_upstream_remote_name" "$dorothy_upstream_branch" || return
+				__eval_wrap -- git pull "$dorothy_upstream_remote_name" "$dorothy_upstream_branch" || return
 				__print_lines "Successfully updated Dorothy installation at $DOROTHY" || return
 			) || return
 		}