feat: aarch64 support

Author: NN708

.github/workflows/build.yml

@@ -18,8 +18,9 @@ jobs:
         run: |
           apk add xz squashfs-tools
           /bin/sh ./genrootfs.sh
+          ARCH=aarch64 /bin/sh ./genrootfs.sh
 
       - uses: actions/upload-artifact@v4
         with:
-          name: FsWarn-x86_64
-          path: ./fswarn-x86_64.squash
+          name: FsWarn
+          path: ./fswarn*.squash

.github/workflows/release.yml

@@ -19,9 +19,11 @@ jobs:
         run: |
           apk add xz squashfs-tools
           /bin/sh ./genrootfs.sh
-          tar cvf fswarn.tar.xz fswarn-x86_64.squash
+          tar cvf fswarn-x86_64.tar.xz fswarn-x86_64.squash
+          ARCH=aarch64 /bin/sh ./genrootfs.sh
+          tar cvf fswarn-aarch64.tar.xz fswarn-aarch64.squash
 
       - name: Upload release
         uses: softprops/action-gh-release@v2
         with:
-          files: fswarn.tar.xz
+          files: fswarn*.tar.xz

genrootfs.sh

@@ -8,10 +8,10 @@ tmp="$(mktemp -d)"
 trap cleanup EXIT
 chmod 0755 "$tmp"
 
-arch="x86_64"
+arch=${ARCH:-"$(apk --print-arch)"}
 repositories_file=/etc/apk/repositories
-keys_dir=/etc/apk/keys
-outfile="./fswarn-x86_64.squash"
+keys_dir=/usr/share/apk/keys
+outfile="./fswarn-$arch.squash"
 
 packages="alpine-baselayout-data busybox imagemagick gawk bash"
 
@@ -25,12 +25,13 @@ ${APK:-apk} add --keys-dir "$keys_dir" --no-cache \
 	--repositories-file "$repositories_file" \
 	--no-script --root "$tmp" --initdb --arch "$arch" \
 	$packages
-for link in $("$tmp"/bin/busybox --list-full); do
+for link in $(/bin/busybox --list-full); do
 	[ -e "$tmp"/$link ] || ln -s /bin/busybox "$tmp"/$link
 done
 
 ${APK:-apk} fetch --keys-dir "$keys_dir" --no-cache \
-	--repositories-file "$repositories_file" --root "$tmp" \
+	--repositories-file "$repositories_file" \
+	--root "$tmp" --arch "$arch" \
 	--stdout --quiet alpine-release | tar -zx -C "$tmp" etc/
 
 # make sure root login is disabled