yet more fixes from @akinomyoga

Author: Ira Abramov

completion/available/fabric.completion.bash

@@ -53,7 +53,6 @@ esac
 # Get time of last fab cache file modification as seconds since Epoch
 #
 function __fab_chache_mtime() {
-	# shellcheck disable=SC2090
 	"${__FAB_COMPLETION_MTIME_COMMAND[@]}" \
 		$FAB_COMPLETION_CACHED_TASKS_FILENAME | xargs -n 1 expr
 }
@@ -64,11 +63,10 @@ function __fab_chache_mtime() {
 function __fab_fabfile_mtime() {
 	local f="fabfile"
 	if [[ -e "$f.py" ]]; then
-		# shellcheck disable=SC2090
 		"${__FAB_COMPLETION_MTIME_COMMAND[@]}" "$f.py" | xargs -n 1 expr
 	else
 		# Suppose that it's a fabfile dir
-		# shellcheck disable=SC2090,SC2038
+		# shellcheck disable=SC2038
 		find "$f"/*.py -exec "${__FAB_COMPLETION_MTIME_COMMAND[@]}" {} + \
 			| xargs -n 1 expr | sort -n -r | head -1
 	fi

completion/available/gradle.completion.bash

@@ -185,10 +185,10 @@ __gradle-generate-tasks-cache() {
 	# Run gradle to retrieve possible tasks and cache.
 	# Reuse Gradle Daemon if IDLE but don't start a new one.
 	local gradle_tasks_output
-	if $gradle_cmd --status 2> /dev/null | grep -q IDLE; then
-		gradle_tasks_output="$($gradle_cmd -b "$gradle_build_file" --daemon -q tasks --all)"
+	if "$gradle_cmd" --status 2> /dev/null | grep -q IDLE; then
+		gradle_tasks_output="$("$gradle_cmd" -b "$gradle_build_file" --daemon -q tasks --all)"
 	else
-		gradle_tasks_output="$($gradle_cmd -b "$gradle_build_file" --no-daemon -q tasks --all)"
+		gradle_tasks_output="$("$gradle_cmd" -b "$gradle_build_file" --no-daemon -q tasks --all)"
 	fi
 	local output_line
 	local task_description