Added Arch linux support

pico-load.sh

@@ -1,17 +1,36 @@
 #!/bin/bash
-if [ "$(dpkg -l | awk '/ubuntu-desktop/ {print }'|wc -l)" -ge 1 ]; then
+if [ -f /etc/os-release ]; then
-    while [ ! -f /media/$USER/RPI-RP2/INFO_UF2.TXT ]; do
+	. /etc/os-release
-        sleep 1
+	OS=$NAME
-    done
-    set -e
-    cargo run --release 
 else
-    sudo umount /mnt/usb
+	OS="none"
-    while [ ! -f /mnt/usb/INFO_UF2.TXT ]; do
+fi
-        sudo mount /dev/sda1 /mnt/usb -o umask=000
+
-        sleep 1
+if [ "$OS" == "Ubuntu" ]; then
-    done
+	if [ "$(dpkg -l | awk '/ubuntu-desktop/ {print }' | wc -l)" -ge 1 ]; then
-    set -e
+		while [ ! -f /media/$USER/RPI-RP2/INFO_UF2.TXT ]; do
-    cargo run --release 
+			sleep 1
-    sudo umount /mnt/usb
+		done
+		set -e
+		cargo run --release
+	else
+		sudo umount /mnt/usb
+		while [ ! -f /mnt/usb/INFO_UF2.TXT ]; do
+			sudo mount /dev/sda1 /mnt/usb -o umask=000
+			sleep 1
+		done
+		set -e
+		cargo run --release
+		sudo umount /mnt/usb
+	fi
+elif [ "$OS" == "Arch Linux" ]; then
+	sudo umount /mnt/usb
+	while [ ! -f /mnt/usb/INFO_UF2.TXT ]; do
+		sudo mkdir -p /mnt/usb
+		sudo mount /dev/sda1 /mnt/usb -o umask=000
+		sleep 1
+	done
+	set -e
+	cargo run --release
+	sudo umount /mnt/usb
 fi