(fix) fix broken pacman installed deps detection mechanism

brick.sh

@@ -157,18 +157,35 @@ if [ "${#PACDEPS[@]}" != "0" ]; then
 	# first, gotta filter out the ones that are already installed
 	INSTALLED=$(pacman -Qe)
 	TO_INSTALL=''
+	removed=0
 	for pkg in $PACDEPS; do
-		if [[ ! -z $(echo $INSTALLED | grep $pkg) ]]; then
+		if [[ -z $(echo $INSTALLED | grep $pkg) ]]; then
 			TO_INSTALL="$TO_INSTALL $pkg"
+		else
+			removed=$(($removed + 1))
 		fi
 	done
 
-	inf "installing pacman packages:"
-	inf "$TO_INSTALL"
+	if ! [ "$removed" == "0" ]; then
+		inf "removed $removed installed pacman deps"
+	fi
 
-	# welp lets install those
-	sudo pacman -S --needed --noconfirm $TO_INSTALL
-	inf "installed all pacman deps"
+	if [ "$TO_INSTALL" != "" ]; then
+		inf "installing pacman packages:"
+		inf "$TO_INSTALL"
+	
+		# welp lets install those
+		sudo pacman -S --needed --noconfirm $TO_INSTALL &> $BRICKS_DB/.pacman-log
+		PACCODE="$?"
+		if ! [ "$PACCODE" == "0" ]; then
+			err "pacman exited with code $PACCODE"
+			err "pacman's output log is in $BRICKS_DB/.pacman-log"
+			exit
+		fi
+		inf "installed all pacman deps"
+	else
+		inf "no pacman deps to install"
+	fi
 else
 	inf "no pacman deps to install"
 fi