[+] Add addline function to zshrc

scripts/includes/nix.sh

@@ -1,4 +1,6 @@
+# Nixos only
 if command -v nixos-rebuild &> /dev/null; then
+
     alias rebuild="nixos-rebuild switch"
     alias gc="nix-collect-garbage -d"
     alias rebuild-gc="rebuild; gc"

scripts/zshrc.sh

@@ -38,6 +38,11 @@ adblan() {
 }
 alias adblan-start="adb tcpip 16523"
 
+# Add line if it doesn't exist in a file
+addline() {
+  grep -qxF "$2" "$1" || echo "$2" >> $1
+}
+
 # Minecraft coloring
 color() {
     tmp="$@"