d790fed832
* Compare mount output using base of dirname If you're building from a bind-mounted directory, the build will fail as it will find two entries to unmount, but a single unmount will remove them both causing an error. Adding a space means that the mountpoint will only match with a single mount entry ; the expected path, rather than the pre bind-mount. * Switch to awk instead of mount, grep, cut pipes Retry unmount 5 times and give up, letting the user know that they need to resolve the issue manually --------- Co-authored-by: David Peverley <pev@analogue-micro.com> Co-authored-by: Serge Schneider <serge@raspberrypi.com>
132 lines
3.3 KiB
Plaintext
132 lines
3.3 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 BOOTSTRAP_CMD=debootstrap
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local BOOTSTRAP_ARGS=()
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export http_proxy=${APT_PROXY}
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BOOTSTRAP_ARGS+=(--arch armhf)
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BOOTSTRAP_ARGS+=(--components "main,contrib,non-free")
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BOOTSTRAP_ARGS+=(--keyring "${STAGE_DIR}/files/raspberrypi.gpg")
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BOOTSTRAP_ARGS+=(--exclude=info)
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BOOTSTRAP_ARGS+=(--include=ca-certificates)
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BOOTSTRAP_ARGS+=("$@")
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printf -v BOOTSTRAP_STR '%q ' "${BOOTSTRAP_ARGS[@]}"
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setarch linux32 capsh $CAPSH_ARG -- -c "'${BOOTSTRAP_CMD}' $BOOTSTRAP_STR" || true
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if [ -d "$2/debootstrap" ] && ! rmdir "$2/debootstrap"; then
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cp "$2/debootstrap/debootstrap.log" "${STAGE_WORK_DIR}"
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log "bootstrap failed: please check ${STAGE_WORK_DIR}/debootstrap.log"
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return 1
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fi
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}
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export -f bootstrap
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copy_previous(){
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if [ ! -d "${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 "${ROOTFS_DIR}"
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rsync -aHAXx --exclude var/cache/apt/archives "${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=$1
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fi
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for i in {1..6}; do
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if awk "\$2 ~ /^${DIR//\//\\/}/ {print \$2}" /etc/mtab | sort -r | xargs -r umount; then
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break
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elif [ "$i" -eq 6 ]; then
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log "Failed to unmount ${DIR}. Do not try to delete this directory while it contains mountpoints!"
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return 1
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fi
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log "Retrying ($i/5)..."
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sleep 1
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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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LOOP_DEVICE=$(losetup --list | grep "$1" | cut -f1 -d' ')
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if [ -n "$LOOP_DEVICE" ]; then
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for part in "$LOOP_DEVICE"p*; do
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if DIR=$(findmnt -n -o target -S "$part"); then
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unmount "$DIR"
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fi
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done
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losetup -d "$LOOP_DEVICE"
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fi
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}
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export -f unmount_image
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on_chroot() {
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if ! mount | grep -q "$(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 "${ROOTFS_DIR}/sys"
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fi
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if ! mount | grep -q "$(realpath "${ROOTFS_DIR}"/run)"; then
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mount -t tmpfs tmpfs "${ROOTFS_DIR}/run"
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fi
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if ! mount | grep -q "$(realpath "${ROOTFS_DIR}"/tmp)"; then
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mount -t tmpfs tmpfs "${ROOTFS_DIR}/tmp"
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fi
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setarch linux32 capsh $CAPSH_ARG "--chroot=${ROOTFS_DIR}/" -- -e "$@"
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}
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export -f on_chroot
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update_issue() {
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echo -e "${PI_GEN_RELEASE} ${IMG_DATE}\nGenerated using ${PI_GEN}, ${PI_GEN_REPO}, ${GIT_HASH}, ${1}" > "${ROOTFS_DIR}/etc/rpi-issue"
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}
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export -f update_issue
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ensure_next_loopdev() {
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local loopdev
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loopdev="$(losetup -f)"
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loopmaj="$(echo "$loopdev" | sed -E 's/.*[^0-9]*?([0-9]+)$/\1/')"
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[[ -b "$loopdev" ]] || mknod "$loopdev" b 7 "$loopmaj"
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}
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export -f ensure_next_loopdev
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ensure_loopdev_partitions() {
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local line
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local partition
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local majmin
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lsblk -r -n -o "NAME,MAJ:MIN" "$1" | grep -v "^${1#/dev/} " | while read -r line; do
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partition="${line%% *}"
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majmin="${line#* }"
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if [ ! -b "/dev/$partition" ]; then
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mknod "/dev/$partition" b "${majmin%:*}" "${majmin#*:}"
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fi
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done
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command -v udevadm >/dev/null 2>&1 || return 0
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udevadm settle 10
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}
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export -f ensure_loopdev_partitions
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