diff options
author | Patrick J Volkerding <volkerdi@slackware.com> | 2018-05-28 19:12:29 +0000 |
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committer | Eric Hameleers <alien@slackware.com> | 2018-05-31 23:39:35 +0200 |
commit | 646a5c1cbfd95873950a87b5f75d52073a967023 (patch) | |
tree | b8b8d2ab3b0d432ea69ad1a64d1c789649d65020 /source/installer/usbimg2disk.sh | |
parent | d31c50870d0bee042ce660e445c9294a59a3a65b (diff) | |
download | current-646a5c1cbfd95873950a87b5f75d52073a967023.tar.gz |
Mon May 28 19:12:29 UTC 201820180528191229
a/pkgtools-15.0-noarch-13.txz: Rebuilt.
installpkg: default line length for --terselength is the number of columns.
removepkg: added --terse mode.
upgradepkg: default line length for --terselength is the number of columns.
upgradepkg: accept -option in addition to --option.
ap/vim-8.1.0026-x86_64-1.txz: Upgraded.
d/bison-3.0.5-x86_64-1.txz: Upgraded.
e/emacs-26.1-x86_64-1.txz: Upgraded.
kde/kopete-4.14.3-x86_64-8.txz: Rebuilt.
Recompiled against libidn-1.35.
n/conntrack-tools-1.4.5-x86_64-1.txz: Upgraded.
n/libnetfilter_conntrack-1.0.7-x86_64-1.txz: Upgraded.
n/libnftnl-1.1.0-x86_64-1.txz: Upgraded.
n/links-2.16-x86_64-2.txz: Rebuilt.
Rebuilt to enable X driver for -g mode.
n/lynx-2.8.9dev.19-x86_64-1.txz: Upgraded.
n/nftables-0.8.5-x86_64-1.txz: Upgraded.
n/p11-kit-0.23.11-x86_64-1.txz: Upgraded.
n/ulogd-2.0.7-x86_64-1.txz: Upgraded.
n/whois-5.3.1-x86_64-1.txz: Upgraded.
xap/network-manager-applet-1.8.12-x86_64-1.txz: Upgraded.
xap/vim-gvim-8.1.0026-x86_64-1.txz: Upgraded.
Diffstat (limited to 'source/installer/usbimg2disk.sh')
-rw-r--r-- | source/installer/usbimg2disk.sh | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/source/installer/usbimg2disk.sh b/source/installer/usbimg2disk.sh new file mode 100644 index 00000000..df3f574f --- /dev/null +++ b/source/installer/usbimg2disk.sh @@ -0,0 +1,501 @@ +#!/bin/bash +# $Id: usbimg2disk.sh,v 1.23 2012/09/03 20:52:31 eha Exp eha $ +# +# Copyright 2009, 2010, 2011, 2012 Eric Hameleers, Eindhoven, NL +# 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. + +# Paranoid as usual: +set -e + +# Define some variables ahead of time, so that cleanup knows about them: +MNTDIR1="" +MNTDIR2="" +MNTDIR3="" + +# Clean up in case of failure: +cleanup() { + # Clean up by unmounting our loopmounts, deleting tempfiles: + echo "--- Cleaning up the staging area..." + sync + [ ! -z "${MNTDIR1}" ] && ( umount -f ${MNTDIR1} ; rmdir $MNTDIR1 ) + [ ! -z "${MNTDIR2}" ] && ( umount -f ${MNTDIR2} ; rmdir $MNTDIR2 ) + [ ! -z "${MNTDIR3}" ] && rm -rf ${MNTDIR3} || true +} +trap 'echo "*** $0 FAILED at line $LINENO ***"; cleanup; exit 1' ERR INT TERM + +showhelp() { + echo "# " + echo "# Purpose #1: to use the content of Slackware's usbboot.img and" + echo "# transform a standard USB thumb drive with a single vfat partition" + echo "# into a bootable medium containing the Slackware Linux installer." + echo "# " + echo "# Purpose #2: to use the contents of a Slackware directory tree" + echo "# and transform a standard USB thumb drive with" + echo "# a single vfat partition and 2GB of free space into" + echo "# a self-contained USB installation medium for Slackware Linux." + echo "# " + echo "# " + echo "# Your USB thumb drive may contain data!" + echo "# This data will *not* be overwritten, unless you have" + echo "# explicitly chosen to format the drive by using the '-f' parameter." + echo "# " + echo "# $(basename $0) accepts the following parameters:" + echo "# -h|--help This help" + echo "# -f|--format Format the USB drive before use" + echo "# -i|--infile <filename> Full path to the usbboot.img file" + echo "# -l|--logfile <filename> Optional logfile to catch fdisk output" + echo "# -o|--outdev <filename> The device name of your USB drive" + echo "# -s|--slackdir <dir> Use 'dir' as the root of Slackware tree" + echo "# -u|--unattended Do not ask any questions" + echo "# -L|--label <labelname> FAT label when formatting the USB drive" + + echo "# " + echo "# Examples:" + echo "# " + echo "# $(basename $0) -i ~/download/usbboot.img -o /dev/sdX" + echo "# $(basename $0) -f -s /home/ftp/pub/slackware-13.0 -o /dev/sdX" + echo "# " + echo "# The second example shows how to create a fully functional Slackware" + echo "# installer on a USB stick (it needs a Slackware tree as the source)." + echo "# " +} + +reformat() { + # Commands to re-create a functional USB stick with VFAT partition: + # two parameters: + # (1) the name of the USB device to be formatted: + # (2) FAT label to use when formatting the USB device: + local TOWIPE="$1" + local THELABEL="$2" + + # Sanity checks: + if [ ! -b $TOWIPE ]; then + echo "*** Not a block device: '$TOWIPE' !" + exit 1 + fi + + # Wipe the MBR: + dd if=/dev/zero of=$TOWIPE bs=512 count=1 + + # Temporarily accept errors (so that we can examine them): + set +e + + # create a FAT32 partition (type 'b') + /sbin/fdisk $TOWIPE <<EOF +n +p +1 + + +t +b +w +EOF + + # Check if fdisk gave an error (like "error closing file"). + # Some desktop environments auto-mount the partition on sight...: + if [ $? -ne 0 ]; then + echo "*** The fdisk command had an error." + echo "*** Some desktop environments (KDE, GNOME) may automatically mount" + echo "*** the new FAT partition on your USB drive, causing the fdisk error." + if [ $UNATTENDED -eq 0 ]; then + # if we are running interactively, allow to chicken out now: + echo "*** Perhaps you want to format the device '$TOWIPE' yourself first?" + read -p "*** Press ENTER to continue anyway or Ctrl-C to quit now: " JUNK + fi + fi + + # Fail on errors again: + set -e + + if mount | grep -q ${TOWIPE}1 ; then + echo "--- Un-mounting ${TOWIPE}1 because your desktop auto-mounted it..." + umount -f ${TOWIPE}1 + fi + + # We set the fat label to '$THELABEL' when formatting. + # It will enable the installer to mount the fat partition automatically + # and pre-fill the correct pathname for the "SOURCE" dialog. + # Format with a vfat filesystem: + /sbin/mkdosfs -F32 -n ${THELABEL} ${TOWIPE}1 +} + +makebootable() { + # Only parameter: the name of the USB device to be set bootable: + USBDRV="$1" + + # Sanity checks: + if [ ! -b $USBDRV ]; then + echo "*** Not a block device: '$USBDRV' !" + exit 1 + fi + + # Set the bootable flag for the first partition: + /sbin/sfdisk -A $USBDRV 1 +} + +# Parse the commandline parameters: +if [ -z "$1" ]; then + showhelp + exit 1 +fi +while [ ! -z "$1" ]; do + case $1 in + -f|--format) + REFORMAT=1 + shift + ;; + -h|--help) + showhelp + exit + ;; + -i|--infile) + USBIMG="$(cd $(dirname $2); pwd)/$(basename $2)" + shift 2 + ;; + -l|--logfile) + LOGFILE="$(cd $(dirname $2); pwd)/$(basename $2)" + shift 2 + ;; + -o|--outdev) + TARGET="$2" + TARGETPART="${TARGET}1" + shift 2 + ;; + -s|--slackdir) + REPODIR="$2" + FULLINSTALLER="yes" + shift 2 + ;; + -u|--unattended) + UNATTENDED=1 + shift + ;; + -L|--label) + CUSTOMLABEL="$2" + shift 2 + ;; + *) + echo "*** Unknown parameter '$1'!" + exit 1 + ;; + esac +done + +# Before we start: +[ -x /bin/id ] && CMD_ID="/bin/id" || CMD_ID="/usr/bin/id" +if [ "$($CMD_ID -u)" != "0" ]; then + echo "*** You need to be root to run $(basename $0)." + exit 1 +fi + +# Check existence of the package repository if that was passed as a parameter: +if [ -n "$REPODIR" ]; then + if [ ! -d "$REPODIR" ]; then + echo "*** This is not a directory: '$REPODIR' !" + exit 1 + else + # This also takes care of stripping a trailing '/', which is required + # for the rsync command to work as intended: + REPOSROOT="$(cd $(dirname $REPODIR); pwd)/$(basename $REPODIR)" + fi +fi + +# Check FAT label: +if [ -n "${CUSTOMLABEL}" ]; then + if [ "x$(echo "${CUSTOMLABEL}"| tr -d '[:alnum:]._-')" != "x" ]; then + echo "*** FAT label '${CUSTOMLABEL}' is not an acceptible name!" + exit 1 + elif [ ${#CUSTOMLABEL} -gt 11 ]; then + echo "*** FAT label '${CUSTOMLABEL}' must be less than 12 characters!" + exit 1 + else + FATLABEL="${CUSTOMLABEL}" + fi +else + FATLABEL="USBSLACKINS" +fi + +# Prepare the environment: +MININSFREE=2200 # minimum in MB required for a Slackware tree +UNATTENDED=${UNATTENDED:-0} # unattended means: never ask questions. +REFORMAT=${REFORMAT:-0} # do not try to reformat by default +LOGFILE=${LOGFILE:-/dev/null} # silence by default +EXCLUDES=${EXCLUDES:-"--exclude=source \ + --exclude=extra/aspell-word-lists \ + --exclude=isolinux \ + --exclude=usb-and-pxe-installers \ + --exclude=pasture"} # not copied onto the stick + +# If we have been given a Slackware tree, we will create a full installer: +if [ -n "$REPOSROOT" ]; then + if [ -d "$REPOSROOT" -a -f "$REPOSROOT/PACKAGES.TXT" ]; then + USBIMG=${USBIMG:-"$REPOSROOT/usb-and-pxe-installers/usbboot.img"} + PKGDIR=$(head -40 $REPOSROOT/PACKAGES.TXT | grep 'PACKAGE LOCATION: ' |head -1 |cut -f2 -d/) + if [ -z "$PKGDIR" ]; then + echo "*** Could not find the package subdirectory in '$REPOSROOT'!" + exit 1 + fi + else + echo "*** Directory '$REPOSROOT' does not look like a Slackware tree!" + exit 1 + fi +fi + +# More sanity checks: +if [ -z "$TARGET" -o -z "$USBIMG" ]; then + echo "*** You must specify both the names of usbboot.img and the USB device!" + exit 1 +fi + +if [ ! -f $USBIMG ]; then + echo "*** This is not a useable file: '$USBIMG' !" + exit 1 +fi + +if [ ! -b $TARGET ]; then + echo "*** Not a block device: '$TARGET' !" + exit 1 +elif [ $REFORMAT -eq 0 ]; then + if ! /sbin/blkid -t TYPE=vfat $TARGETPART 1>/dev/null 2>/dev/null ; then + echo "*** I fail to find a 'vfat' partition: '$TARGETPART' !" + echo "*** If you want to format the USB thumb drive, add the '-f' parameter" + exit 1 + fi +fi + +if mount | grep -q $TARGETPART ; then + echo "*** Please un-mount $TARGETPART first, then re-run this script!" + exit 1 +fi + +# Do not croak if we have a Slackware tree without sources: +if [ ! $(readlink -f ${REPOSROOT}/extra/java ) ]; then + EXCLUDES="${EXCLUDES} --exclude=extra/java" +fi + +# Check for prerequisites which may not always be installed: +MISSBIN=0 +MBRBIN="/usr/lib/syslinux/mbr.bin" +if [ ! -r $MBRBIN ]; then MBRBIN="/usr/share/syslinux/mbr.bin"; fi +if [ ! -r $MBRBIN -o ! -x /usr/bin/syslinux ]; then + echo "*** This script requires that the 'syslinux' package is installed!" + MISSBIN=1 +fi +if [ ! -x /usr/bin/mtools ]; then + echo "*** This script requires that the 'floppy' (mtools) package is installed!" + MISSBIN=1 +fi +if [ ! -x /sbin/mkdosfs ]; then + echo "*** This script requires that the 'dosfstools' package is installed!" + MISSBIN=1 +fi +if [ ! -x /bin/cpio ]; then + echo "*** This script requires that the 'cpio' package is installed!" + MISSBIN=1 +fi +if [ $MISSBIN -eq 1 ]; then exit 1 ; fi + +# Show the USB device's information to the user: +if [ $UNATTENDED -eq 0 ]; then + [ $REFORMAT -eq 1 ] && DOFRMT="format and " || DOFRMT="" + + echo "" + echo "# We are going to ${DOFRMT}use this device - '$TARGET':" + echo "# Vendor : $(cat /sys/block/$(basename $TARGET)/device/vendor)" + echo "# Model : $(cat /sys/block/$(basename $TARGET)/device/model)" + echo "# Size : $(( $(cat /sys/block/$(basename $TARGET)/size) / 2048)) MB" + echo "# " + echo "# FDISK OUTPUT:" + /sbin/fdisk -l $TARGET | while read LINE ; do echo "# $LINE" ; done + echo "" + + echo "*** ***" + echo "*** If this is the wrong drive, then press CONTROL-C now! ***" + echo "*** ***" + + read -p "Or press ENTER to continue: " JUNK + # OK... the user was sure about the drive... +fi + +# Initialize the logfile: +cat /dev/null > $LOGFILE + +# If we need to format the USB drive, do it now: +if [ $REFORMAT -eq 1 ]; then + echo "--- Formatting $TARGET with VFAT partition label '${FATLABEL}'..." + if [ $UNATTENDED -eq 0 ]; then + echo "--- Last chance! Press CTRL-C to abort!" + read -p "Or press ENTER to continue: " JUNK + fi + ( reformat $TARGET ${FATLABEL} ) 1>>$LOGFILE 2>&1 +else + # We do not format the drive, but apply a FAT label if required. + + # Prepare for using mlabel to change the FAT label: + MTOOLSRCFILE=$(mktemp -p /tmp -t mtoolsrc.XXXXXX) + echo "drive s: file=\"$TARGETPART\"" > $MTOOLSRCFILE + echo "mtools_skip_check=1" >> $MTOOLSRCFILE + + if [ -n "$CUSTOMLABEL" ]; then + # User gave us a FAT label to use, so we will force that upon the drive: + echo "--- Setting FAT partition label to '$FATLABEL'" + MTOOLSRC=$MTOOLSRCFILE mlabel s:${FATLABEL} + elif [ -n "$(/sbin/blkid -t TYPE=vfat -s LABEL -o export $TARGETPART)" ] ; then + # User did not care, but the USB stick has a FAT label that we will use: + eval $(/sbin/blkid -t TYPE=vfat -s LABEL -o export $TARGETPART) + FATLABEL=$LABEL + echo "--- Using current FAT partition label '$FATLABEL'" + unset LABEL + else + # No user-supplied label, nor a drive label present. We apply our default: + echo "--- Setting FAT partition label to '$FATLABEL'" + MTOOLSRC=$MTOOLSRCFILE mlabel s:${FATLABEL} + fi + + # Cleanup: + rm -f $MTOOLSRCFILE +fi + +# Create a temporary mount point for the image file: +mkdir -p /mnt +MNTDIR1=$(mktemp -d -p /mnt -t img.XXXXXX) +if [ ! -d $MNTDIR1 ]; then + echo "*** Failed to create a temporary mount point for the image!" + exit 1 +else + chmod 711 $MNTDIR1 +fi + +# Create a temporary mount point for the USB thumb drive partition: +MNTDIR2=$(mktemp -d -p /mnt -t usb.XXXXXX) +if [ ! -d $MNTDIR2 ]; then + echo "*** Failed to create a temporary mount point for the usb thumb drive!" + exit 1 +else + chmod 711 $MNTDIR2 +fi + +# Create a temporary directory to extract the initrd if needed: +MNTDIR3=$(mktemp -d -p /mnt -t initrd.XXXXXX) +if [ ! -d $MNTDIR3 ]; then + echo "*** Failed to create a temporary directory to extract the initrd!" + exit 1 +else + chmod 711 $MNTDIR3 +fi + +# Mount the image file: +mount -o loop,ro $USBIMG $MNTDIR1 + +# Mount the vfat partition: +mount -t vfat -o shortname=mixed $TARGETPART $MNTDIR2 + +# Do we have space to create a full Slackware USB install medium? +if [ "$FULLINSTALLER" = "yes" ]; then + if [ $(df --block=1MB $TARGETPART |grep "^$TARGETPART" |tr -s ' ' |cut -f4 -d' ') -le $MININSFREE ]; then + echo "*** The partition '$TARGETPART' does not have enough" + echo "*** free space (${MININSFREE} MB) to create a Slackware installation medium!" + cleanup + exit 1 + fi +fi + +# Check available space for a Slackware USB setup bootdisk: +USBFREE=$(df -k $TARGETPART |grep "^$TARGETPART" |tr -s ' ' |cut -d' ' -f4) +IMGSIZE=$(du -k $USBIMG |cut -f1) +echo "--- Available free space on the the USB drive is $USBFREE KB" +echo "--- Required free space for installer: $IMGSIZE KB" + +# Exit when the installer image's size does not fit in available space: +if [ $IMGSIZE -gt $USBFREE ]; then + echo "*** The USB thumb drive does not have enough free space!" + # Cleanup and exit: + cleanup + exit 1 +fi + +if [ $UNATTENDED -eq 0 ]; then + # if we are running interactively, warn about overwriting files: + if [ -n "$REPOSROOT" ]; then + if [ -d $MNTDIR2/syslinux -o -d $MNTDIR2/$(basename $REPOSROOT) ]; then + echo "--- Your USB drive contains directories 'syslinux' and/or '$(basename $REPOSROOT)'" + echo "--- These will be overwritten. Press CTRL-C to abort now!" + read -p "Or press ENTER to continue: " JUNK + fi + else + if [ -d $MNTDIR2/syslinux ]; then + echo "--- Your USB drive contains directory 'syslinux'" + echo "--- This will be overwritten. Press CTRL-C to abort now!" + read -p "Or press ENTER to continue: " JUNK + fi + fi +fi + +# Copy boot image files to the USB disk in its own subdirectory '/syslinux': +echo "--- Copying boot files to the USB drive..." +mkdir -p $MNTDIR2/syslinux +cp -R $MNTDIR1/* $MNTDIR2/syslinux/ +rm -f $MNTDIR2/syslinux/ldlinux.sys + +# If we are creating a full Slackware installer, there is a lot more to do: +if [ "$FULLINSTALLER" = "yes" ]; then + # Extract the Slackware initrd for modifications we have to do: + echo "--- Extracting Slackware initrd.img..." + ( cd ${MNTDIR3}/ + gunzip -cd ${MNTDIR2}/syslinux/initrd.img | cpio -i -d -H newc --no-absolute-filenames + ) 2>>$LOGFILE + + # Modify installer files so that installing from USB stick will be easier: + echo "--- Modifying installer files..." + ( cd ${MNTDIR3}/ + # Try to automatically mount the installer partition: + mkdir usbinstall + echo "mount -t vfat -o ro,shortname=mixed \$(/sbin/blkid -t LABEL=$FATLABEL | cut -f1 -d:) /usbinstall 1>/dev/null 2>&1" >> etc/rc.d/rc.S + # Adapt the dialogs so that pressing [OK] will be all there is to it: + sed -i -e 's# --menu# --default-item 6 --menu#' usr/lib/setup/SeTmedia + sed -i -e "s# 2> \$TMP/sourcedir# /usbinstall/$(basename $REPOSROOT)/$PKGDIR 2> \$TMP/sourcedir#" usr/lib/setup/INSdir + FIXF=$(find usr/lib/setup -name SeTp*media) + sed -i -e 's# --menu# --default-item 3 --menu#' $FIXF + ) 2>>$LOGFILE + + # Recreate the initrd: + echo "--- Gzipping the initrd image again:" + chmod 0755 ${MNTDIR3} + ( cd ${MNTDIR3}/ + find . |cpio -o -H newc |gzip > ${MNTDIR2}/syslinux/initrd.img + ) 2>>$LOGFILE + + # Copy Slackware package tree (no sources) to the USB disk - + # we already made sure that ${REPOSROOT} does not end with a '/' + echo "--- Copying Slackware package tree to the USB drive..." + rsync -rpthDL --delete $EXCLUDES $REPOSROOT $MNTDIR2/ +fi + +# Unmount/remove stuff: +cleanup + +# Run syslinux and write a good MBR: +echo "--- Making the USB drive '$TARGET' bootable..." +( makebootable $TARGET ) 1>>$LOGFILE 2>&1 +/usr/bin/syslinux -s -d /syslinux $TARGETPART 1>>$LOGFILE 2>&1 +dd if=$MBRBIN of=$TARGET 1>>$LOGFILE 2>&1 + +# THE END |