Fallback to colorless mode when tput is not installed

ufetch-linux

@@ -29,16 +29,18 @@ fi
 ## DEFINE COLORS
 
 # probably don't change these
-bold="$(tput bold)"
-black="$(tput setaf 0)"
-red="$(tput setaf 1)"
-green="$(tput setaf 2)"
-yellow="$(tput setaf 3)"
-blue="$(tput setaf 4)"
-magenta="$(tput setaf 5)"
-cyan="$(tput setaf 6)"
-white="$(tput setaf 7)"
-reset="$(tput sgr0)"
+if [ -x "$(command -v tput)" ]; then
+	bold="$(tput bold)"
+	black="$(tput setaf 0)"
+	red="$(tput setaf 1)"
+	green="$(tput setaf 2)"
+	yellow="$(tput setaf 3)"
+	blue="$(tput setaf 4)"
+	magenta="$(tput setaf 5)"
+	cyan="$(tput setaf 6)"
+	white="$(tput setaf 7)"
+	reset="$(tput sgr0)"
+fi
 
 # you can change these
 lc="${reset}${bold}${black}"		# labels