diff options
Diffstat (limited to 'source/installer/sources/initrd/usr/lib/setup/INS-all-in-one')
-rwxr-xr-x | source/installer/sources/initrd/usr/lib/setup/INS-all-in-one | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/source/installer/sources/initrd/usr/lib/setup/INS-all-in-one b/source/installer/sources/initrd/usr/lib/setup/INS-all-in-one new file mode 100755 index 000000000..c6463626f --- /dev/null +++ b/source/installer/sources/initrd/usr/lib/setup/INS-all-in-one @@ -0,0 +1,199 @@ +#!/bin/bash +#################################################################################### +# File.......: /usr/lib/setup/INS-all-in-one +# Called from: Forked from /usr/lib/setup/SeTmedia +# Purpose....: Detect a partition labeled 'SLKins_aio-pkgs' and configure the +# Installer to use it as the media source. +# Version....: 1.00 +# Date.......: 22-Nov-2022 +# Author.....: Stuart Winter <mozes@slackware.com> +################################################################################### +# Change log +# v1.00, 22-Nov-2022 +# * Initial version +################################################################################### +# +# Copyright 2022 Stuart Winter, Earth, Milky Way, "". +# All rights reserved. +# +# Redistribution and use of this script, with or without modification, is +# permitted provided that the following conditions are met: +# +# 1. Redistributions of this script must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED +# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# Exit codes +# 0 = Success (Install media dialog screen can exit cleanly) +# 1 = General failure. (Install media dialog needs to present the list of options) +# 2 = No media label found on any removable block device. +# 3 = Sanity checks failed. +# 4 = User chose not to use the bundled media, although the media passed sanity check. +# 10 = User configured not to use All-In-One feature. + +# Check if the user has bypassed the all-in-one Installer functionality. +# This may be if they have the all-in-one Installer on the USB stick but want +# to install from another medium, and don't fancy re-deploying the standard USB +# Installer image to the USB stick. +[ -f /.no-allinone ] && exit 10 + +# Settings: +SLKINSMNT=/slack-all-in-one +TMP=/var/log/setup/tmp +[ ! -d $TMP ] && mkdir -pm755 $TMP + +################################################################################### +################### Functions ##################################################### +################################################################################### + +# This code was copied in part from usr/lib/setup/INSUSB: +# Detect a device with a partition label 'SLKins_aio-pkgs' +# The MMC block devices aren't identified as 'removeable' so we don't filter on +# that attribute since this is the standard storage subsystem we use on ARM. +#lsblk -o name,label -ripn | grep -E 'SLKins_aio-pkgs$' +function media_scan(){ + local rdevice founddev + for rdevice in $( ls --indicator-style none /sys/block | grep -Ev "loop|ram|^dm-|^sr|^md" ); do + # Is it labeled 'SLKins_aio-pkgs'? If so we'll take the first one we find: + founddev="$( lsblk -o name,label -ripn /dev/${rdevice} 2>/dev/null | grep -E 'SLKins_aio-pkgs$' | awk '{print $1}' )" + [ ! -z "${founddev}" ] && break + done + # Report back if we found one: + [ ! -z "${founddev}" ] && { echo "${founddev}" ; return 0 ;} || return 1 +} + +# Mount the specified block device under the known mount point: +function media_mount() { + mount -o noatime -m "$1" $SLKINSMNT 2>/dev/null + return $? ;} + +# umount the media: +function media_umount() { + umount $SLKINSMNT 2>/dev/null + return $? ;} + +# Check if the Slackware media partition is already mounted: +function media_ismounted() { + findmnt -DRM ${SLKINSMNT} > /dev/null 2>&1 + return $? +} + +# Sanity check the media: +# The directory layout is: '/slackware/<slackware-tree-name>' +# This is to enable users to add non-Slackware related assets to the partition upon installation +# of the OS, if they wish. +function media_sanity_check() { + local slacktree=$( media_report_slacktree ) + [ -z "$slacktree" ] && return 1 + # Is the tree available? We'll check the 'A' series directory is present: + [ ! -d $SLKINSMNT/slackware/$slacktree/a ] && return 1 + # Enough sanity checking, it's probably good! + return 0 +} + +# Report the path to the configured Slackware media: +# Output is relative - e.g. doesn's include the mount point and parent 'slackware' directory. +function media_report_slacktree() { + # The Slackware tree we're using is configured in this file. + # This is placed by the script that creates the All-in-One Installer image. + [ ! -f $SLKINSMNT/slackware/.slktree ] && return 1 + # Output content of the file which is a relative path: e.g. "slackwareaarch64-current/slackware" + grep -Ev '^$' $SLKINSMNT/slackware/.slktree +} + +# Inform the user that the All-in-One Installer is ready to go. +function offer_msg_ready() { + local blockdev="$1" mntpnt="$2" +# --msgbox "\nThe Slackware package directory has been found on $blockdev and is mounted on $mntpnt ready for use.\n + dialog \ + --backtitle "Slackware Installer" \ + --title "INSTALLATION MEDIA SOURCE FOUND" --ok-button "OK" \ + --msgbox "\nThis edition of the Slackware Installer has the installation media bundled, and is ready to use.\n + " 8 79 + clear +} + +# Inform the user that the All-in-One Installer was detected but failed sanity check. +function offer_msg_failsanity() { + local blockdev="$1" mntpnt="$2" + dialog \ + --backtitle "Slackware Installer" \ + --title "INSTALLATION MEDIA SOURCE" --ok-button "OK" \ + --msgbox "\nThis edition of the Slackware Installer contains the installation media.\n\n +The media has been located on $blockdev but has failed the tests.\n\n +You will now be presented with the option to choose a different installation media source.\n" 12 79 + clear +} + +# Offer the option to use the bundled media or pick the option manually: +# Y=return 0, N=1 +function offer_chooseaio() { + dialog \ + --backtitle "Slackware Installer" \ + --title "INSTALLATION MEDIA SOURCE" --yesno \ + "\nThis edition of the Slackware Installer contains the installation media.\n\n +Would you like to use this as the media source?\n\n +Answering 'No' provides a list of alternate installation media selection options.\n\n +Recommendation: Yes" 15 77 + return $? +} + +# Configure the Slackware Installer to find the installation media on the All-in-One partition: +function installer_configure() { + # An example of the entry in this file: /slack-all-in-one/slackware/slackwareaarch64-current/slackware + echo "$SLKINSMNT/slackware/$( media_report_slacktree )" > $TMP/SeTDS # is $SLKINSMNT/slackware/[contents of file '.slktree'] + echo "-source_mounted" > $TMP/SeTmount + echo "/dev/null" > $TMP/SeTsource +} + +################################################################################### + +# Try to locate the All-in-One Installer partition: +mediablockdev=$( media_scan ) + +# If we didn't find a block device with our label, bail out to enable the user to select +# one from the list presented by /usr/lib/setup/SeTmedia: +[ -z "${mediablockdev}" ] && exit 2 + +# If the media is already mounted and the sanity check passes, inform the user. +# This is to facilitate that the user may bounce through the main 'setup' menu and select +# the installation media chooser (/usr/lib/setup/SeTmedia) more than once. +# No, we're not going to offer them the option to pick a different installation source media: +# it might break something. They can reboot. +if media_ismounted && media_sanity_check; then + offer_msg_ready $mediablockdev $SLKINSMNT + exit 0 +fi + +# It's not mounted, but we found a label on a removable block device. Let's mount it, +# configure the Installer to find the package source media, and inform the user that it's +# ready to roll: +if media_mount $mediablockdev && media_sanity_check; then + # Give the user the choice to use it. At this point we know it's validated so is a viable option. + # If the user chooses 'no', we umount the media and are returned to the '/usr/lib/setup/SeTmedia' + # process to pick an option. + offer_chooseaio || { media_umount ; clear ; exit 4 ;} + installer_configure + #offer_msg_ready $mediablockdev $SLKINSMNT + exit 0 + else + # umount the media. If it fails, no problem - we can ignore it. The Installer won't be configured + # to use it unless the sanity check passed, so anything mounted isn't used nor is in the way. + media_umount + # Inform the user that they get to pick from the list of source media installation options: + offer_msg_failsanity $mediablockdev + exit 3 +fi + +clear +exit 0 |