diff options
Diffstat (limited to 'archiso/hooks/archiso')
| -rw-r--r-- | archiso/hooks/archiso | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/archiso/hooks/archiso b/archiso/hooks/archiso index 7e2997a..c973ffc 100644 --- a/archiso/hooks/archiso +++ b/archiso/hooks/archiso @@ -29,6 +29,7 @@ _mnt_fs() { local mnt="${2}" local img_fullname="${img##*/}"; local img_name="${img_fullname%%.*}" + local dm_snap_name="${dm_snap_prefix}_${img_name}" local ro_dev ro_dev_size ro_dev_fs_type rw_dev mkdir -p "${mnt}" @@ -42,11 +43,11 @@ _mnt_fs() { _next_loop_dev rw_dev=$(_make_loop_dev "/cowspace/${img_name}.cow") - echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} N 8" | dmsetup create ${img_name} + echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} N 8" | dmsetup create ${dm_snap_name} - msg ":: Mounting '/dev/mapper/${img_name}' (${ro_dev_fs_type}) to '${mnt}'" - if ! mount -t "${ro_dev_fs_type}" "/dev/mapper/${img_name}" "${mnt}" ; then - echo "ERROR: while mounting '/dev/mapper/${img_name}' to '${mnt}'" + msg ":: Mounting '/dev/mapper/${dm_snap_name}' (${ro_dev_fs_type}) to '${mnt}'" + if ! mount -t "${ro_dev_fs_type}" "/dev/mapper/${dm_snap_name}" "${mnt}" ; then + echo "ERROR: while mounting '/dev/mapper/${dm_snap_name}' to '${mnt}'" launch_interactive_shell fi } @@ -76,11 +77,22 @@ _mnt_sfs() { fi } +_verify_checksum() { + local _status + cd "/bootmnt/${archisobasedir}" + md5sum -c checksum.md5 > /checksum.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="/bootmnt/${archisobasedir}/aitab" @@ -133,6 +145,22 @@ archiso_mount_handler() { launch_interactive_shell fi + if [[ "${checksum}" == "y" ]]; then + if [[ -f "/bootmnt/${archisobasedir}/checksum.md5" ]]; then + msg -n ":: Self-test requested, please wait..." + if _verify_checksum; then + msg "done. Checksum is OK, continue booting." + else + echo "ERROR: one or more files are corrupted" + echo "see /checksum.log for details" + launch_interactive_shell + fi + else + echo "ERROR: checksum=y option specified but checksum.md5 not found" + launch_interactive_shell + fi + fi + if [[ "${copytoram}" == "y" ]]; then msg -n ":: Mounting /copytoram (tmpfs) filesystem, size=${copytoram_size}..." mount -t tmpfs -o "size=${copytoram_size}",mode=0755 copytoram /copytoram |