#!/usr/bin/env bash

GIT_BRANCH=$(git branch --show-current 2>/dev/null)
GIT_TAG=$(git tag 2>/dev/null | tail -n1)
BUILD_DATE=$(date +"%d%m%y")
SUFFIX="${GIT_BRANCH}_${GIT_TAG}_${BUILD_DATE}"
IMAGENAME="raspi4_butter"
# This recipe builds an arm64 image. On a non-arm64 host, debootstrap's second
# stage runs arm64 binaries via QEMU user-mode emulation, which requires the
# aarch64 binfmt_misc handler to be registered. Fail fast with a clear message
# instead of dying ~5 minutes into debootstrap.
if [ "$(uname -m)" != "aarch64" ] && ! grep -q enabled /proc/sys/fs/binfmt_misc/qemu-aarch64 2>/dev/null; then
	echo "ERROR: arm64 emulation not registered. Run: sudo apt install qemu-user-static binfmt-support" >&2
	exit 1
fi
time vmdb2 --rootfs-tarball=${IMAGENAME}_$SUFFIX.tar.gz --output ${IMAGENAME}_$SUFFIX.img --log ${IMAGENAME}_$SUFFIX.log raspi_4_trixie.yaml
# vmdb2 runs as root, so the output files are root-owned; hand them back to the calling user
chown "$(id -un):$(id -gn)" ${IMAGENAME}_$SUFFIX.img ${IMAGENAME}_$SUFFIX.log
tar cvfz ${IMAGENAME}_$SUFFIX.img.tar.gz ${IMAGENAME}_$SUFFIX.img
#curl -H "Authorization: token" $CHURN_SECRET -X PUT --upload-file ${IMAGENAME}_$SUFFIX.img.tar.gz https://guardianproject.dev/api/packages/butter/generic/churn/latest/${IMAGENAME}_$SUFFIX.img.tar.gz
#rm *img *tar.gz