__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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#
# In migration mode let the user confirm that
# the up to that point recreated system
# (i.e. recreated disk layout plus restored backup plus
# migrated certain restored files by 'finalize' scripts
# that were run before this user confirmation dialog appears)
# is ready to recreate the initrd and to reinstall the bootloader
# or let the user adapt his restored config files as he needs it
# cf. https://github.com/rear/rear/pull/2055#issuecomment-468193571
# For example in case of a changed disk layout certain config files
# that were restored from the backup could contain outdated or false content
# which may need manual adaptions (in addition to what 'finalize' scripts did
# that were run before or to correct what those scripts may have falsely done)
# before the initrd gets recreated and the bootloader gets reinstalled.
# In particular in case of a changed disk layout the restored etc/fstab
# is usually outdated and may need to be manually adapted to get
# the recreated system ready to run the subsequent 'finalize' scripts
# that recreate the initrd and reinstall the bootloader
# via 'chroot' from within the recreated system.
#
# Skip if not in migration mode:
is_true "$MIGRATION_MODE" || return 0
rear_workflow="rear $WORKFLOW"
restored_fstab="$TARGET_FS_ROOT/etc/fstab"
rear_shell_history="$( echo -e "chroot $TARGET_FS_ROOT\ncd $TARGET_FS_ROOT/etc/\nvi $restored_fstab\nless $restored_fstab" )"
unset choices
choices[0]="Confirm it is OK to recreate initrd and reinstall bootloader and continue '$rear_workflow'"
choices[1]="Edit restored etc/fstab ($restored_fstab)"
choices[2]="View restored etc/fstab ($restored_fstab)"
choices[3]="Use Relax-and-Recover shell and return back to here"
choices[4]="Abort '$rear_workflow'"
prompt="Confirm restored config files are OK or adapt them as needed"
choice=""
wilful_input=""
# When USER_INPUT_RESTORED_FILES_CONFIRMATION has any 'true' value be liberal in what you accept and
# assume choices[0] 'Confirm recreate initrd and reinstall bootloader' was actually meant:
is_true "$USER_INPUT_RESTORED_FILES_CONFIRMATION" && USER_INPUT_RESTORED_FILES_CONFIRMATION="${choices[0]}"
while true ; do
choice="$( UserInput -I RESTORED_FILES_CONFIRMATION -p "$prompt" -D "${choices[0]}" "${choices[@]}" )" && wilful_input="yes" || wilful_input="no"
case "$choice" in
(${choices[0]})
# Confirm restored config files and continue:
is_true "$wilful_input" && LogPrint "User confirmed restored files" || LogPrint "Continuing '$rear_workflow' by default"
break
;;
(${choices[1]})
# Run 'vi' with the original STDIN STDOUT and STDERR when 'rear' was launched by the user:
vi $restored_fstab 0<&6 1>&7 2>&8
;;
(${choices[2]})
# Run 'less' with the original STDIN STDOUT and STDERR when 'rear' was launched by the user:
less $restored_fstab 0<&6 1>&7 2>&8
;;
(${choices[3]})
# rear_shell runs 'bash' with the original STDIN STDOUT and STDERR when 'rear' was launched by the user:
rear_shell "" "$rear_shell_history"
;;
(${choices[4]})
abort_recreate
Error "User chose to abort '$rear_workflow' in ${BASH_SOURCE[0]}"
;;
esac
done