test-rpi-kernel-split-upgrade.sh

#!/bin/sh -ex

REPO_DEFAULT="https://alpha.de.repo.voidlinux.org/"

# packages of https://github.com/void-linux/void-packages/pull/29139
: "${REPO_EXTRA:=""}"

: "${XBPS_TARGET_ARCH:=armv7l-musl}"
: "${ROOT:="/tmp/rootfs.void.$XBPS_TARGET_ARCH"}"
: "${CACHEDIR:="$HOME/void-binpkgs/$XBPS_TARGET_ARCH"}"
: "${PKG_EXTRA:=""}"


# determine repo url
if [ -z "$REPO" ]; then
	case "$XBPS_TARGET_ARCH" in
		aarch64*)
			REPO="$REPO_DEFAULT/current/aarch64"
			;;
		*)
			REPO="$REPO_DEFAULT/current"
			;;
	esac

	# append -musl if necessary
	case "$XBPS_TARGET_ARCH" in
		aarch64*) : ;; #aarch64-musl lives in the same dir
		*-musl)
			REPO="$REPO/musl"
			;;
	esac
fi

# determine qemu command
if [ -z "$QEMU_CMD" ]; then
	case "$XBPS_TARGET_ARCH" in
		armv[67]*) _qemu_arch=arm ;;
		aarch64*) _qemu_arch=aarch64 ;;
		ppc64le*) _qemu_arch=ppc64le ;;
		ppc64*) _qemu_arch=ppc64 ;;
		ppc*) _qemu_arch=ppc ;;
	esac
	QEMU_CMD=qemu-${_qemu_arch}-static
fi

# fetch xbps-static for the foreign arch
t=/tmp/xbps.static.$XBPS_TARGET_ARCH
_xbps_static_path="$t/usr/bin"
if [ ! -e "$_xbps_static_path/xbps-install" ]; then
	mkdir -p "$t"
	_url="$REPO_DEFAULT/static/xbps-static-latest.$XBPS_TARGET_ARCH.tar.xz" 
	curl -L "$_url" |
		tar -J -x -f - -C "$t"
fi


# install foreign rootfs
XBPS_TARGET_ARCH=$XBPS_TARGET_ARCH xbps-install \
	--rootdir="$ROOT" \
	--repository="$REPO" \
	--cachedir="$CACHEDIR" \
	--sync \
	--yes \
	base-system ${PKG_EXTRA}

# reconfigure foreign rootfs
$QEMU_CMD $_xbps_static_path/xbps-reconfigure \
	--rootdir="$ROOT" \
	--all

$QEMU_CMD $_xbps_static_path/xbps-pkgdb \
	--rootdir="$ROOT" \
	--all


### install rpi specific stuff

# install rpi-base from remote repo to mimic what mvlive would have done
$QEMU_CMD $_xbps_static_path/xbps-install \
	--rootdir="$ROOT" \
	--cachedir="$CACHEDIR" \
	--repository=/binpkgs-extra \
	-S rpi-base

rsync -avP --delete "$REPO_EXTRA"/ "$ROOT"/binpkgs-extra

# check if the new rpi-kernel meta package will pull the actual rpiN-kernel
xbps-query \
	--rootdir="$ROOT" \
	--repository="$ROOT"/binpkgs-extra \
	--ignore-conf-repos \
	-M -x rpi-kernel

# update rpi-kernel from custom repo
$QEMU_CMD $_xbps_static_path/xbps-install \
	--rootdir="$ROOT" \
	--cachedir="$CACHEDIR" \
	--repository="$ROOT"/binpkgs-extra \
	-Su

# check pkgdb
$QEMU_CMD $_xbps_static_path/xbps-pkgdb \
	--rootdir="$ROOT" \
	-a