diff options
| -rwxr-xr-x | init | 50 |
1 files changed, 29 insertions, 21 deletions
@@ -1,13 +1,14 @@ #!/bin/bash export DEBUG=0 +export QUIET=0 export INTERACTIVE=0 export ROOTDEV='' export CRYPTROOT='' screen_init() { # Clear screen - clear + [ "${QUIET}" -eq 1 ] && clear # Output message file if it exists [ -f /etc/msg ] && cat /etc/msg @@ -26,8 +27,11 @@ mount_fakeroot() { log() { - local msg="${1}" - echo -e "${msg}" + local lvl="${1}" + local msg="${2}" + [ "${QUIET}" -eq 1 ] && [ "${lvl,,}" = "info" ] && return + + printf -- "%s\n" "${msg}" if [ "${DEBUG}" -ne 0 ]; then echo "Press enter to continue" read @@ -80,6 +84,10 @@ parse_cmdline() { # Enable interactive mode INTERACTIVE=1 ;; + quiet) + # Enable quiet boot (less output) + QUIET=1 + ;; esac done } @@ -102,7 +110,7 @@ setup_encrypted() { # Ensure decryption was successful, it not, drop to debug shell and reboot once done. printf 'ERROR: Could not decrypt device\n' >&2 printf 'Dropping to debug shell (will automatically reboot on exit).\n' >&2 - /bin/bash --norc + /bin/bash --norc -i printf 'Rebooting\n' >&2 printf 'b' > /proc/sysrq-trigger fi @@ -164,64 +172,64 @@ main() { local fakeroot='/mnt/root' if [ ! -d "${fakeroot}" ]; then - log "Fake root location ${fakeroot} does not exist. Creating." + log INFO "Fake root location ${fakeroot} does not exist. Creating." mkdir ${fakeroot} fi - log "Parsing cmdline arguments" + log INFO "Parsing cmdline arguments" parse_cmdline "$(cat /proc/cmdline)" - log "Root device: ${ROOTDEV}" + log INFO "Root device: ${ROOTDEV}" - log "Waiting up to 10 seconds for root device to appear." + log INFO "Waiting up to 10 seconds for root device to appear." wait_dev "${ROOTDEV}" 10 # Drop to maintenance shell if root device does not exist. if [ "$?" -ne 0 ]; then - log "ERROR: Root device ${ROOTDEV} does not exist or can not be accessed." - log " Dropping to maintenance shell for troubleshooting." - log " (You may just need to wait longer for the root device)" + log ERROR "ERROR: Root device ${ROOTDEV} does not exist or can not be accessed." + log ERROR " Dropping to maintenance shell for troubleshooting." + log ERROR " (You may just need to wait longer for the root device)" /bin/bash -i fi if cryptsetup isLuks "${ROOTDEV}"; then # Set new rootdev location (/dev/mapper/something). This will update it to # the decrypted block device path. - log "Root device ${ROOTDEV} is encrypted." + log INFO "Root device ${ROOTDEV} is encrypted." ROOTDEV=$(setup_encrypted ${ROOTDEV}) - log "New rootdev: ${ROOTDEV}" + log INFO "New rootdev: ${ROOTDEV}" fi if [ ! -z "${CRYPTROOT}" ]; then - log "Cryptroot defined. Changing rootdev to '${CRYPTROOT}'" + log INFO "Cryptroot defined. Changing rootdev to '${CRYPTROOT}'" ROOTDEV="${CRYPTROOT}" fi # Drop to interactive shell if requested if [ "${INTERACTIVE}" == 1 ]; then - log "Interractive shell requested. Type 'exit' to continue boot sequence." + log INFO "Interractive shell requested. Type 'exit' to continue boot sequence." /bin/bash --norc fi # Mount the fakeroot. - log "Mounting fakeroot" + log INFO "Mounting fakeroot" mount_fakeroot ${ROOTDEV} ${fakeroot} # Ensure switch_root will be possible for destination fakeroot if [ ! -f "${fakeroot}/sbin/init" ]; then - log "ERROR: Destination fakeroot ${fakeroot} does not have an init script." - log " Cannot proceed. Dropping to shell for troubleshooting." + log ERROR "ERROR: Destination fakeroot ${fakeroot} does not have an init script." + log ERROR " Cannot proceed. Dropping to shell for troubleshooting." /bin/bash -i fi # Boot the real McCoy - log "Switching root" + log INFO "Switching root" exec switch_root ${fakeroot} /sbin/init # This will be reached if previous command failed - log "There was an error performing switch_root to ${fakeroot}." - log "Starting recovery shell." + log ERROR "There was an error performing switch_root to ${fakeroot}." + log ERROR "Starting recovery shell." /bin/bash -i } |