run shfmt

git grep --name-only '^#!' | egrep -v '(vendor|\.go|Jenkinsfile)' | xargs shfmt -w -bn -ci -sr

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

contrib/nuke-graph-directory.sh

@@ -31,7 +31,10 @@ echo "Nuking $dir ..."
 echo '  (if this is wrong, press Ctrl+C NOW!)'
 echo
 
-( set -x; sleep 10 )
+(
+	set -x
+	sleep 10
+)
 echo
 
 dir_in_dir() {
@@ -45,7 +48,10 @@ dir_in_dir() {
 for mount in $(awk '{ print $5 }' /proc/self/mountinfo); do
 	mount="$(readlink -f "$mount" || true)"
 	if [ "$dir" != "$mount" ] && dir_in_dir "$mount" "$dir"; then
-		( set -x; umount -f "$mount" )
+		(
+			set -x
+			umount -f "$mount"
+		)
 	fi
 done
 
@@ -55,10 +61,17 @@ if command -v btrfs > /dev/null 2>&1; then
 	# Source: http://stackoverflow.com/a/32865333
 	for subvol in $(find "$dir" -type d -inum 256 | sort -r); do
 		if [ "$dir" != "$subvol" ]; then
-			( set -x; btrfs subvolume delete "$subvol" )
+			(
+				set -x
+				btrfs subvolume delete "$subvol"
+			)
 		fi
 	done
 fi
 
 # finally, DESTROY ALL THINGS
-( shopt -s dotglob; set -x; rm -rf "$dir"/* )
+(
+	shopt -s dotglob
+	set -x
+	rm -rf "$dir"/*
+)