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| -rw-r--r-- | archiso/hooks/archiso | 198 |
diff --git a/archiso/hooks/archiso b/archiso/hooks/archiso deleted file mode 100644 index 9445498..0000000 --- a/archiso/hooks/archiso +++ /dev/null @@ -1,198 +0,0 @@ -# args: source, newroot, mountpoint -_mnt_fs() { - local img="${1}" - local newroot="${2}" - local mnt="${3}" - local img_fullname="${img##*/}"; - local img_name="${img_fullname%%.*}" - local dm_snap_name="${dm_snap_prefix}_${img_name}" - local ro_dev ro_dev_size rw_dev - - ro_dev=$(losetup --find --show --read-only "${img}") - echo ${ro_dev} >> /run/archiso/used_block_devices - ro_dev_size=$(blockdev --getsz ${ro_dev}) - - if [[ "${cow_persistent}" == "P" ]]; then - if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then - msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow', using as persistent." - else - msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as persistent." - dd of="/run/archiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${ro_dev_size} &> /dev/null - fi - else - if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then - msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' but non-persistent requested, removing." - rm -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" - fi - msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent." - dd of="/run/archiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${ro_dev_size} &> /dev/null - fi - - rw_dev=$(losetup --find --show "/run/archiso/cowspace/${cow_directory}/${img_name}.cow") - echo ${rw_dev} >> /run/archiso/used_block_devices - - echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} 8" | dmsetup create ${dm_snap_name} - - _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w" - echo $(readlink -f /dev/mapper/${dm_snap_name}) >> /run/archiso/used_block_devices - echo "/dev/mapper/${dm_snap_name} ${mnt} auto defaults 0 0" >> ${newroot}/etc/fstab -} - -# args: /path/to/image_file, mountpoint -_mnt_sfs() { - local img="${1}" - local mnt="${2}" - local img_fullname="${img##*/}" - local sfs_dev - - if [[ "${copytoram}" == "y" ]]; then - msg -n ":: Copying squashfs image to RAM..." - if ! cp "${img}" "/run/archiso/copytoram/${img_fullname}" ; then - echo "ERROR: while copy '${img}' to '/run/archiso/copytoram/${img_fullname}'" - launch_interactive_shell - fi - img="/run/archiso/copytoram/${img_fullname}" - msg "done." - fi - sfs_dev=$(losetup --find --show --read-only "${img}") - echo ${sfs_dev} >> /run/archiso/used_block_devices - _mnt_dev "${sfs_dev}" "${mnt}" "-r" -} - -# args: device, mountpoint, flags -_mnt_dev() { - local dev="${1}" - local mnt="${2}" - local flg="${3}" - - mkdir -p "${mnt}" - - msg ":: Mounting '${dev}' to '${mnt}'" - - while ! poll_device "${dev}" 30; do - echo "ERROR: '${dev}' device did not show up after 30 seconds..." - echo " Falling back to interactive prompt" - echo " You can try to fix the problem manually, log out when you are finished" - launch_interactive_shell - done - - if mount "${flg}" "${dev}" "${mnt}"; then - msg ":: Device '${dev}' mounted successfully." - else - echo "ERROR; Failed to mount '${dev}'" - echo " Falling back to interactive prompt" - echo " You can try to fix the problem manually, log out when you are finished" - launch_interactive_shell - fi -} - -_verify_checksum() { - local _status - cd "/run/archiso/bootmnt/${archisobasedir}" - md5sum -c checksum.${arch}.md5 > /tmp/checksum.${arch}.log 2>&1 - _status=$? - cd "${OLDPWD}" - return ${_status} -} - -run_hook() { - [[ -z "${arch}" ]] && arch="$(uname -m)" - [[ -z "${cowspace_size}" ]] && cowspace_size="75%" - [[ -z "${copytoram_size}" ]] && copytoram_size="75%" - [[ -z "${archisobasedir}" ]] && archisobasedir="arch" - [[ -z "${dm_snap_prefix}" ]] && dm_snap_prefix="arch" - [[ -z "${archisodevice}" ]] && archisodevice="/dev/disk/by-label/${archisolabel}" - - if [[ -z "${aitab}" ]]; then - aitab="/run/archiso/bootmnt/${archisobasedir}/aitab" - else - aitab="/run/archiso/bootmnt/${archisobasedir}/${aitab}" - fi - - if [[ -n "${cow_label}" ]]; then - cow_device="/dev/disk/by-label/${cow_label}" - [[ -z "${cow_persistent}" ]] && cow_persistent="P" - elif [[ -n "${cow_device}" ]]; then - [[ -z "${cow_persistent}" ]] && cow_persistent="P" - else - cow_persistent="N" - fi - - [[ -z "${cow_directory}" ]] && cow_directory="persistent_${archisolabel}/${arch}" - - # set mount handler for archiso - mount_handler="archiso_mount_handler" -} - -# This function is called normally from init script, but it can be called -# as chain from other mount handlers. -# args: /path/to/newroot -archiso_mount_handler() { - local newroot="${1}" - - if ! mountpoint -q "/run/archiso/bootmnt"; then - _mnt_dev "${archisodevice}" "/run/archiso/bootmnt" "-r" - if [[ "${copytoram}" != "y" ]]; then - echo $(readlink -f ${archisodevice}) >> /run/archiso/used_block_devices - fi - fi - - - if [[ ! -f "${aitab}" ]]; then - echo "ERROR: '${aitab}' file does not exist." - echo " Falling back to interactive prompt" - echo " You can try to fix the problem manually, log out when you are finished" - launch_interactive_shell - fi - - if [[ "${checksum}" == "y" ]]; then - if [[ -f "/run/archiso/bootmnt/${archisobasedir}/checksum.${arch}.md5" ]]; then - msg -n ":: Self-test requested, please wait..." - if _verify_checksum; then - msg "done. Checksum is OK, continue booting." - else - echo "ERROR: one or more files are corrupted" - echo "see /tmp/checksum.${arch}.log for details" - launch_interactive_shell - fi - else - echo "ERROR: checksum=y option specified but checksum.${arch}.md5 not found" - launch_interactive_shell - fi - fi - - if [[ "${copytoram}" == "y" ]]; then - msg ":: Mounting /run/archiso/copytoram (tmpfs) filesystem, size=${copytoram_size}" - mkdir -p /run/archiso/copytoram - mount -t tmpfs -o "size=${copytoram_size}",mode=0755 copytoram /run/archiso/copytoram - fi - - if [[ -n "${cow_device}" ]]; then - _mnt_dev "${cow_device}" "/run/archiso/cowspace" "-r" - echo $(readlink -f ${cow_device}) >> /run/archiso/used_block_devices - mount -o remount,rw "/run/archiso/cowspace" - else - msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cowspace_size}..." - mkdir -p /run/archiso/cowspace - mount -t tmpfs -o "size=${cowspace_size}",mode=0755 cowspace /run/archiso/cowspace - fi - mkdir -p "/run/archiso/cowspace/${cow_directory}" - - local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size - while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do - [[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue - [[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue - if [[ "${aitab_fs_type}" != "none" ]]; then - _mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/run/archiso/sfs/${aitab_img}" - _mnt_fs "/run/archiso/sfs/${aitab_img}/${aitab_img}.fs" "${newroot}" "${aitab_mnt}" - else - _mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "${newroot}${aitab_mnt}" - fi - done < "${aitab}" - - if [[ "${copytoram}" == "y" ]]; then - umount /run/archiso/bootmnt - fi -} - -# vim:ft=sh:ts=4:sw=4:et: |