Upgrade to latest working Alpine Linux version

I can no longer format SD card in Gnome with lowercase name (dont know why) hence the change to uppercase. Silenced error produced by clean target when trying to remove non-existent Docker image

.env

@@ -7,7 +7,7 @@ CACHE_DIR=<%= $(pwd) %>/cache
 ALPINE_MIRROR=https://dl-cdn.alpinelinux.org/alpine
 ALPINE_ARCH=aarch64
 ALPINE_VER_MAJOR=3
-ALPINE_VER_MINOR=20
+ALPINE_VER_MINOR=21
 ALPINE_VER_PATCH=3
 REQUIREMENTS_FILE=required-apks.txt
 eth0=eth0

Makefile

@@ -53,7 +53,7 @@ build: repository
 
 card: clean build
 	@echo "### Copying to sdcard..."
-	@rsync -chavz --delete ${DIST_DIR}/ /media/$(shell whoami)/entropi
+	@rsync -chavz --delete ${DIST_DIR}/ /media/$(shell whoami)/ENTROPI
 	@echo "### Copying to sdcard done"
 	-@make clean
 
@@ -62,7 +62,7 @@ clean:
 	-@rm -rf ${DIST_DIR}
 	-@rm -rf tmp*
 	-@rm -f ${CACHE_DIR}/aport/${RELEASE_VERSION}/main/${ALPINE_ARCH}/APKINDEX.tar.gz
-	-@docker rmi ${BUILDER_DOCKER_IMAGE} 1> /dev/null
+	-@docker rmi ${BUILDER_DOCKER_IMAGE} >/dev/null 2>&1
 	@echo "### Cleaning done"
 
 mrproper: clean

README.md

@@ -36,3 +36,7 @@ AutoConnect=true
 ```
 
 All the files will be automatically picked up by the wifi daemon after the RaspberryPi finishes boot process
+
+### Troubleshooting
+
+Alpine 3.22.0 produces a lot of "Clock skew detected" errors during boot and fails to execute the `headless.start` script. Version 3.21.3 works fine.

require

@@ -22,7 +22,7 @@ alpine_source() {
 
 tailspin_bin() {
   find "$CACHE_DIR" -name tailspin.tar.gz -type f | grep -q . || \
-  wget https://github.com/bensadeh/tailspin/releases/download/4.0.0/tailspin-x86_64-unknown-linux-musl.tar.gz -O "$CACHE_DIR/tailspin.tar.gz"
+  wget https://github.com/bensadeh/tailspin/releases/download/4.0.0/tailspin-aarch64-unknown-linux-musl.tar.gz -O "$CACHE_DIR/tailspin.tar.gz"
 
   mkdir -p "$CACHE_DIR/tailspin"
 

src/headless.start

@@ -162,8 +162,10 @@ __setup_wireless_client() {
 	mkdir -p /var/lib/iwd/ap/
 
 	copyfile root:root 0644 ${SDCARD_MEDIA}/main.conf /etc/iwd/main.conf
-	copyfile root:root 0644 ${SDCARD_MEDIA}/NUMERI_AC11.psk /var/lib/iwd/NUMERI_AC11.psk
-	copyfile root:root 0644 ${SDCARD_MEDIA}/robusta_nomap.psk /var/lib/iwd/robusta_nomap.psk
+
+	for file in $(find ${SDCARD_MEDIA} -type f -name *.psk -exec basename {} \;); do
+		copyfile root:root 0644 ${SDCARD_MEDIA}/${file} /var/lib/iwd/${file}
+	done
 
 	copyfile root:root 0644 ${SDCARD_MEDIA}/hotspot.conf /var/lib/iwd/ap/<%= $ssid %>.ap
 	copyfile root:root 0700 ${SDCARD_MEDIA}/watchdog.sh /etc/wireguard/watchdog.sh
@@ -173,8 +175,8 @@ __setup_wireless_client() {
 	rc-service iwd start
 }
 
-/sbin/setup-hostname <%= $hostname %>
-/sbin/setup-timezone -z <%= $ROUTER_TIMEZONE %>
+setup-hostname <%= $hostname %>
+setup-timezone -z <%= $ROUTER_TIMEZONE %>
 
 __setup_local_repositories
 
@@ -198,7 +200,6 @@ mkdir -p /etc/wireguard
 copyfile root:root 0600 ${SDCARD_MEDIA}/wg0.conf /etc/wireguard/wg0.conf
 
 ln -s /etc/init.d/wg-quick /etc/init.d/wg-quick.wg0
-# rc-service wg-quick.wg0 start
 
 __setup_time