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extract initramfs with unmkinitramfs instead cpio #46

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extract initramfs with unmkinitramfs instead cpio #46

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12 changes: 6 additions & 6 deletions yubikey-luks-suspend
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Original file line number Diff line number Diff line change
Expand Up @@ -88,22 +88,22 @@ mount -t ramfs ramfs /run/initramfs

INITRAMFS="/boot/initrd.img-$(uname -r)"
[ -e "${INITRAMFS}" ] || exec /lib/systemd/systemd-sleep suspend
cd "${INITRAMFS_DIR}"
(cpio --quiet -id; zcat | cpio --quiet -id) < "${INITRAMFS}"

unmkinitramfs "${INITRAMFS}" "${INITRAMFS_DIR}"
chown -R root:root "${INITRAMFS_DIR}"
chmod -R go-w "${INITRAMFS_DIR}"

# In case we're still missing the suspend script.
# (Perhaps the user didn't regenerate initramfs, or we picked the wrong file?)
[ -e "${INITRAMFS_DIR}/suspend" ] || exec /lib/systemd/systemd-sleep suspend
[ -e "${INITRAMFS_DIR}/main/suspend" ] || exec /lib/systemd/systemd-sleep suspend

# Prepare chroot
# For some reason, $BIND_PATHS aren't in ${INITRAMFS_DIR}
# No worries, we'll just create them if they don't exist
BIND_MOUNTED=1
for p in ${BIND_PATHS}; do
[ -d "${INITRAMFS_DIR}${p}" ] || mkdir "${INITRAMFS_DIR}${p}"
mount -o bind "${p}" "${INITRAMFS_DIR}${p}"
[ -d "${INITRAMFS_DIR}/main${p}" ] || mkdir "${INITRAMFS_DIR}/main${p}"
mount -o bind "${p}" "${INITRAMFS_DIR}/main${p}"
done

# Run pre-suspend scripts
Expand Down Expand Up @@ -136,7 +136,7 @@ fi
sync

# Hand over execution to script inside initramfs
cd "${INITRAMFS_DIR}"
cd "${INITRAMFS_DIR}/main"
chroot . /suspend "$CRYPTNAME"

# Restore original mount options if necessary
Expand Down