bin: separate and improve cleanbrowsing scripts

.config/shell/functions

@@ -145,21 +145,6 @@ alias lar='last | tac'
 # Listen to loopback of mic
 alias listen='pactl load-module module-loopback; echo "Press Enter to stop"; read; pactl unload-module module-loopback'
 
-alias browse-safe='sudo systemctl disable --now systemd-resolved && sudo rm -f /etc/resolv.conf && echo "nameserver 185.228.168.10" | sudo tee /etc/resolv.conf && sudo chattr +i /etc/resolv.conf'
-browse-unsafe() {
-	echo "Why do you want to browse unsafe?"
-	while test ${#intention} -lt 10
-	do read intention
-	done
-	jrnl intentions-nug "$intention"
-	trap 'echo Browsing safe; browse-safe' INT
-	sudo chattr -i /etc/resolv.conf &&
-		sudo mv /etc/resolv.conf /etc/resolv.conf.bak &&
-		sudo systemctl enable --now systemd-resolved &&
-		sleep ${1:-100}
-	browse-safe
-}
-
 xo() {
 	while test $# -gt 0; do
 		xdg-open "$1"

.local/bin/scripts/browse-safe

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Replace systemd-resolved with the Adult Filter DNS of https://cleanbrowsing.org/filters
+set -e
+sudo systemctl disable --now systemd-resolved
+resolvconf="/etc/resolv.conf"
+dns="nameserver 185.228.168.10
+nameserver 185.228.169.11"
+test "$(cat "$resolvconf" 2>/dev/null)" = "$dns" && exit 0
+test -f "$resolvconf" && sudo chattr -i "$resolvconf" && sudo rm -vf "$resolvconf"
+echo "$dns" | sudo tee "$resolvconf"
+sudo chattr +i "$resolvconf"

.local/bin/scripts/browse-unsafe

@@ -0,0 +1,15 @@
+#!/bin/sh
+# Temporarily disable cleanbrowsing
+echo "Why do you want to browse unsafe?"
+while test ${#intention} -lt 10
+do read intention
+done
+jrnl intentions-nug "$intention"
+trap 'echo Cancelling unsafe browsing && browse-safe; exit $?' INT
+test -f "/etc/resolv.conf" &&
+  sudo chattr -i /etc/resolv.conf &&
+  sudo mv /etc/resolv.conf /etc/resolv.conf.bak
+sudo systemctl enable --now systemd-resolved
+sleep ${1:-100}
+echo "Ending unsafe browsing"
+browse-safe