92 lines
1.9 KiB
Plaintext
92 lines
1.9 KiB
Plaintext
log (){
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date +"[%T] $@" | tee -a ${LOG_FILE}
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}
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export -f log
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bootstrap(){
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local ARCH=$(dpkg --print-architecture)
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export http_proxy=${APT_PROXY}
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if [ "$ARCH" != "armhf" ]; then
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local BOOTSTRAP_CMD=qemu-debootstrap
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else
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local BOOTSTRAP_CMD=debootstrap
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fi
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capsh --drop=cap_setfcap -- -c "${BOOTSTRAP_CMD} --components=main,contrib,non-free \
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--arch armhf\
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--no-check-gpg \
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$1 $2 $3"
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}
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export -f bootstrap
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copy_previous(){
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if [ ! -d ${PREV_ROOTFS_DIR} ]; then
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echo "Previous stage rootfs not found"
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false
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fi
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mkdir -p ${ROOTFS_DIR}
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rsync -aHAXx ${PREV_ROOTFS_DIR}/ ${ROOTFS_DIR}/
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}
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export -f copy_previous
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unmount(){
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if [ -z "$1" ]; then
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DIR=$PWD
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else
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DIR=$1
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fi
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while mount | grep -q $DIR; do
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local LOCS=`mount | grep $DIR | cut -f 3 -d ' ' | sort -r`
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for loc in $LOCS; do
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umount $loc
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done
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done
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}
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export -f unmount
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unmount_image(){
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sync
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sleep 1
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local LOOP_DEV=$(losetup -j ${1} | cut -f1 -d':')
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if [ -n "${LOOP_DEV}" ]; then
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local MOUNTED_DIR=$(mount | grep $(basename ${LOOP_DEV}) | head -n 1 | cut -f 3 -d ' ')
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if [ -n "${MOUNTED_DIR}" ]; then
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unmount $(dirname ${MOUNTED_DIR})
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fi
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sleep 1
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kpartx -ds ${LOOP_DEV}
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losetup -d ${LOOP_DEV}
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fi
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}
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export -f unmount_image
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on_chroot() {
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if ! mount | grep -q `realpath ${ROOTFS_DIR}/proc`; then
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mount -t proc proc ${ROOTFS_DIR}/proc
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fi
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if ! mount | grep -q `realpath ${ROOTFS_DIR}/dev`; then
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mount --bind /dev ${ROOTFS_DIR}/dev
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fi
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if ! mount | grep -q `realpath ${ROOTFS_DIR}/dev/pts`; then
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mount --bind /dev/pts ${ROOTFS_DIR}/dev/pts
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fi
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if ! mount | grep -q `realpath ${ROOTFS_DIR}/sys`; then
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mount --bind /sys ${ROOTFS_DIR}/sys
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fi
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capsh --drop=cap_setfcap --chroot=${ROOTFS_DIR}/ -- "$@"
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}
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export -f on_chroot
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update_issue() {
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local GIT_HASH=$(git rev-parse HEAD)
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echo -e "Raspberry Pi reference ${IMG_DATE}\nGenerated using pi-gen, https://github.com/RPi-Distro/pi-gen, ${GIT_HASH}, ${1}" > ${ROOTFS_DIR}/etc/rpi-issue
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}
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export -f update_issue
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