rootcopy custom
parent
f02e73e522
commit
a3bfaccea1
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\1
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_ ____ _____
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| | / __ \ / ____|
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__| |_ __ __ _| | | | (___
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/ _` | '_ \ / _` | | | |\___ \
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| (_| | | | | (_| | |__| |____) |
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\__,_|_| |_|\__,_|\____/|_____/
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powered by Briq
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#!/bin/bash
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# Author: Tomas M. <http://www.slax.org/>
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usage()
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{
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echo ""
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echo "Convert directory to .sb compressed module"
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echo "Usage: $0 [source_directory.sb] [[target_file.sb]]"
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echo " If source_directory does not have .sb suffix and it is not 'squashfs-root',"
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echo " then the source_directory itself is included in the module and"
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echo " then the target_file.sb parameter is required."
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echo " If target_file.sb is not specified, the source_directory is erased"
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echo " and replaced by the newly generated module file."
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}
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P1="$(readlink -f "$1")"
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P2="$(readlink -f "$2")"
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if [ "$P1" = "$P2" ]; then
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P2=""
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fi
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SB=$(echo "$P1" | grep -o "[.]sb/*\$")
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if [ "$(echo "$P1" | grep -o "/squashfs-root/*\$")" != "" ]; then
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SB="true"
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fi
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if [ "$SB" = "" ]; then
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KEEP="-keep-as-directory"
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if [ "$P2" = "" ]; then
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usage
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exit 1
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fi
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else
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KEEP=""
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fi
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if [ ! -d "$P1" ]; then
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echo "Not a directory: $P1" >&2
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exit 2
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fi
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if [ "$P2" = "" ]; then
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TARGET="$P1".sb
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while [ -e "$TARGET" ]; do TARGET="$TARGET"x; done
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mksquashfs "$P1" "$TARGET" -comp xz -b 1024K -always-use-fragments $KEEP >/dev/null || exit 3
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umount "$P1" 2>/dev/null
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rm -Rf "$P1"
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mv "$TARGET" "$P1"
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else
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if [ -e "$P2" ]; then
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echo "Target exists: $P2" >&2
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exit 4
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fi
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mksquashfs "$P1" "$P2" -comp xz -b 1024K -always-use-fragments $KEEP >/dev/null
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fi
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#! /bin/bash --
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# Aggrega file di pacchetti installati o aggiornati con Pacman
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# dall'ultimo avvio di una distribuzione linux-live
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# (cfr. https://www.linux-live.org/ ) senza persistenza attivata,
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# creando un unico bundle .sb
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# I file vengono letti dalla directory changes e da essa filtrati solo
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# quelli appartenenti ai pacchetti di pacman.
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#
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# Autore: Guido Longoni <guidolongoni@gmail.com>
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IFS=$'\n'
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OUTLST="/tmp/added_files_$$.lst"
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CACHEDIR=$(sed -n -e '/^[[:space:]]*CacheDir/s|^[^=]*=[[:space:]]*||gp' -e 's|[[:space:]]*$||g' /etc/pacman.conf | head -n1)
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OUTDIR="/tmp/sb_$$"
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OUTFILE="$OUTDIR".sb
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CHGDIR=$(realpath $(mount | sed -n -e '/squashfs/s|.* on \([^ ]*\)/.*|\1|gp' | head -n1)/../changes)
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mkdir -p '/tmp'
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mkdir -p "$OUTDIR"
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rm -rf "$OUTLST"
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touch "$OUTLST"
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for i in $(find "$CACHEDIR" -iname '*.pkg.tar.xz'); do
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tar t -f $i >> "$OUTLST" 2>/dev/null
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done
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sort -u "$OUTLST" | grep -v '^\.' > "$OUTLST".tmp
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mv "$OUTLST".tmp "$OUTLST"
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rsync -av --old-d --files-from="$OUTLST" "$CHGDIR" "$OUTDIR"
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dir2sb "$OUTDIR" "$OUTFILE"
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rm -rf "$OUTDIR"
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rm -rf "$OUTLST"
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#!/bin/bash
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# Rebuild initial ramdisk with full network drivers,
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# start DHCP and TFTP server in order to provide PXE service
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#
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# Author: Tomas M <www.slax.org>
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LIVE=/run/initramfs
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FTPROOT=/var/state/dnsmasq/root
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# find out our own IP address. If more interfaces are available, use the first one
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IP="$(hostname -I | cut -d " " -f 1)"
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GW=$(ip route show | grep default | grep -o "via.*" | head -n 1 | cut -d " " -f 2)
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# if no IP is assigned to this computer, setup private address randomly
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if [ "$IP" = "" ]; then
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killall dhclient 2>/dev/null
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IP="10."$(($RANDOM/130+1))"."$(($RANDOM/130+1))".1"
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ifconfig $(ls -1 /sys/class/net | egrep -v '^lo$' | sort | head -n 1) $IP netmask 255.255.255.0
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fi
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# if gateway is not recognized, lets make our IP a gateway and enable forwarding
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if [ "$GW" = "" ]; then
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GW="$IP"
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echo 1 > /proc/sys/net/ipv4/conf/all/forwarding
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echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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fi
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echo Starting PXE server on $IP ...
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# calculate C class range
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RANGE=$(echo $IP | cut -d "." -f 1-3)
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# make sure dnsmasq can be started
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killall dnsmasq 2>/dev/null
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killall busybox 2>/dev/null
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rm -Rf $FTPROOT 2>/dev/null
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mkdir -p $FTPROOT/{pxelinux.cfg,tmp}/
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# create root filesystem for ftfp
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cd $LIVE
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( find . -print | grep -v "memory"
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cd /
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find /lib/modules/$(uname -r)/kernel/drivers/net | grep -v wireless
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) | cpio -pvd $FTPROOT/tmp 2>/dev/null
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cp /lib/modules/$(uname -r)/modules.* $FTPROOT/tmp/lib/modules/$(uname -r)
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depmod -b $FTPROOT/tmp
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rm $FTPROOT/tmp/lib/initramfs_escaped
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# pack root in initramfs
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cd $FTPROOT/tmp
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find . -print | cpio -o -H newc 2>/dev/null | gzip -f --fast >../initrfs.img
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cd ..
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rm -Rf tmp
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# link files here since copying is not necessary
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ln -s $(find $LIVE/memory/{data,iso,toram} 2>/dev/null | grep vmlinuz | head -n 1) $FTPROOT/vmlinuz
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ln -s $(find $LIVE/memory/{data,iso,toram} 2>/dev/null | grep pxelinux.0 | head -n 1) $FTPROOT/pxelinux.0
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ln -s $(find $LIVE/memory/{data,iso,toram} 2>/dev/null | grep ldlinux.c32 | head -n 1) $FTPROOT/ldlinux.c32
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find $LIVE/memory/{data,iso,toram} 2>/dev/null | egrep "[.]sb\$" | sort -n | while read LINE; do
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BAS="$(basename "$LINE")"
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ln -s $LINE "$FTPROOT/$BAS"
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echo $BAS >> "$FTPROOT/PXEFILELIST"
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done
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echo "This is <a href=http://www.slax.org/>Slax</a> PXE data server. PXE clients will download <a href=PXEFILELIST>file list</a>" > "$FTPROOT/index.html"
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# default pxelinux configuration. Keep xmode selection for clients the same like for the server
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echo "
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PROMPT 0
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DEFAULT slax
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LABEL slax
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KERNEL /vmlinuz
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IPAPPEND 1
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APPEND initrd=/initrfs.img load_ramdisk=1 prompt_ramdisk=0 rw printk.time=0 $(cat /proc/cmdline | egrep -o 'slax.flags=[^ ]+' | sed -r 's:[,=]pxe::' | sed -r 's:[,=]toram::')
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" > $FTPROOT/pxelinux.cfg/default
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# start the DHCP server and TFTP server
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dnsmasq --enable-tftp --tftp-root=/var/state/dnsmasq/root \
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--dhcp-boot=pxelinux.0,"$IP",$IP \
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--dhcp-option=3,$GW \
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--dhcp-range=$RANGE.2,$RANGE.250,infinite --log-dhcp
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# start HTTP server at port 7529 (that are the numbers you type on your phone to write 'slax')
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busybox httpd -p 7529 -h /var/state/dnsmasq/root
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#!/bin/bash
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# Author: Tomas M. <http://www.slax.org/>
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if [ ! -e "$1" ]; then
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echo
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echo "Erase module directory created by sb2dir"
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echo "Usage: $0 [source_directory.sb]"
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exit 1
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fi
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if [ ! -d "$1" ]; then
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echo "Directory does not exist: $1" >&2
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exit
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fi
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umount "$1" 2>/dev/null
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rm -Rf "$1"
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#!/bin/bash
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TMP=/tmp/changes$$
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EXCLUDE="^\$|/\$|[.]wh[.][.]wh[.]orph/|^[.]wh[.][.]wh[.]plnk/|^[.]wh[.][.]wh[.]aufs|^var/cache/|^var/backups/|^var/tmp/|^var/log/|^var/lib/apt/|^var/lib/dhcp/|^var/lib/systemd/|^sbin/fsck[.]aufs|^etc/resolv[.]conf|^root/[.]Xauthority|^root/[.]xsession-errors|^root/[.]fehbg|^root/[.]fluxbox/lastwallpaper|^root/[.]fluxbox/menu_resolution|^etc/mtab|^etc/fstab|^boot/|^dev/|^mnt/|^proc/|^run/|^sys/|^tmp/"
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CHANGES=/run/initramfs/memory/changes
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if [ "$1" = "" ]; then
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echo ""
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echo "savechanges - save all changed files in a compressed filesystem bundle"
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echo " - excluding some predefined files such as /etc/mtab,"
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echo " temp & log files, empty directories, apt cache, and such"
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echo ""
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echo "Usage:"
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echo " $0 [ target_file.sb ] [ changes_directory ]"
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echo ""
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echo "If changes_directory is not specified, /run/initramfs/memory/changes is used."
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echo ""
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exit 1
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fi
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if [ ! "$2" = "" ]; then
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CHANGES="$2"
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fi
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# exclude the save_file itself of course
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EXCLUDE="$EXCLUDE|^""$(readlink -f "$1" | cut -b 2- | sed -r "s/[.]/[.]/")""\$"
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CWD=$(pwd)
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cd $CHANGES || exit
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mkdir -p $TMP
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mount -t tmpfs tmpfs $TMP
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find \( -type d -printf "%p/\n" , -not -type d -print \) \
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| sed -r "s/^[.]\\///" | egrep -v "$EXCLUDE" \
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| while read FILE; do
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cp --parents -afr "$FILE" "$TMP"
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done
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cd $CWD
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mksquashfs $TMP "$1" -comp xz -b 1024K -always-use-fragments -noappend
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umount $TMP
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rmdir $TMP
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#!/bin/bash
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if [ "$1" = "rm" ]; then
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shift
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rmsbdir "$@"
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exit $?
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fi
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if [ "$1" = "rmdir" ]; then
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shift
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rmsbdir "$@"
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exit $?
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fi
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if [ "$1" = "conv" ]; then
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shift
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fi
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if [ ! -r "$1" ]; then
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echo File not found "$1"
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exit 1
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fi
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if [ -d "$1" ]; then
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dir2sb "$@"
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exit $?
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fi
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sb2dir "$@"
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#!/bin/bash
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# Author: Tomas M. <http://www.slax.org/>
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if [ ! -e "$1" ]; then
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echo
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echo "Convert .sb compressed module into directory with the same name"
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echo "Usage: $0 [source_file.sb] [[optional output_directory]]"
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echo " If the output_directory is specified, it must exist"
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echo " If the output_directory is not specified, the name source_file.sb"
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echo " is used and the directory is overmounted with tmpfs"
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exit 1
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fi
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if [ ! -r "$1" ]; then
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echo "File does not exist: $1" >&2
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exit
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fi
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if [ "$2" = "" ]; then
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SOURCE="$1".x
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while [ -e "$SOURCE" ]; do SOURCE="$SOURCE"x; done
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mv "$1" "$SOURCE" || exit
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mkdir "$1"
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mount -t tmpfs tmpfs "$1"
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unsquashfs -f -dest "$1" "$SOURCE" >/dev/null || exit
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rm "$SOURCE"
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else
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if [ ! -d "$2" ]; then
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echo "Directory does not exist: $2" >&2
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exit
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fi
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unsquashfs -f -dest "$2" "$1" >/dev/null
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fi
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#!/bin/bash
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# Slax management and control script
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# Author: Tomas M <http://www.slax.org/>
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# activate
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# deactivate
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# list
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LIVE=/run/initramfs/memory
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RAMSTORE=$LIVE/modules
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# Print error message and exit
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# $1 = error message
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#
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die()
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{
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echo "$1" >&2
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exit 1
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}
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print_branches()
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{
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local SI BUNDLE LOOP CWD
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SI="/sys/fs/aufs/$(cat /proc/mounts | grep 'aufs / aufs' | egrep -o 'si=([^,) ]+)' | tr = _)"
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CWD="$(pwd)"
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cd "$SI"
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ls -v1 | grep -v xi_path | egrep 'br[0-9]+' | xargs cat | grep memory/bundles | rev | cut -b 4- | rev | while read BUNDLE; do
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if mountpoint -q "$BUNDLE"; then
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LOOP=$(cat /proc/mounts | fgrep " $BUNDLE squashfs" | cut -d " " -f 1)
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echo -n "$BUNDLE"
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echo -ne "\t"
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losetup $LOOP | sed -r "s:.*[(]|[)].*::g"
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fi
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done | tac
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cd "$CWD"
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}
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# Activate Slax Bundle
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# $1 = file to activate
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#
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activate()
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{
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local SB TGT BAS
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SB="$(readlink -f "$1")"
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BAS="$(basename "$SB")"
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# check if file exists
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if [ ! -r "$SB" ]; then
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usage
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die "file not found $SB"
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fi
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# check if the file is part of aufs union, if yes we need to copy it outside
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if df "$SB" | cut -d " " -f 1 | grep -q aufs; then
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TGT="$RAMSTORE"
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mkdir -p "$TGT"
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if [ -r $TGT/$BAS ]; then die "File exists: $TGT/$BAS"; fi
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cp -n "$SB" "$TGT/$BAS"
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if [ $? -ne 0 ]; then die "Error copying file to $TGT/$BAS. Not enough free RAM or disk space?"; fi
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SB="$TGT/$BAS"
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fi
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# check if this particular file is already activated
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if print_branches | cut -f 2 | fgrep -q "$SB"; then
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exit
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fi
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# mount remount,add
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TGT="$LIVE/bundles/$BAS"
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mkdir -p "$TGT"
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mount -n -o loop,ro "$SB" "$TGT"
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if [ $? -ne 0 ]; then
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die "Error mounting $SB to $TGT, perhaps corrupted download"
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fi
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# add current branch to aufs union
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mount -t aufs -o remount,add:1:"$TGT" aufs /
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if [ $? -ne 0 ]; then
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umount "$TGT"
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rmdir "$TGT"
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die "Error attaching bundle filesystem to Slax"
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fi
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echo "Slax Bundle activated: $BAS"
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}
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# Deactivate Slax bundle of the given name
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# $1 = path to bundle file, or its name
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#
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deactivate()
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{
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local BUNDLES SB MATCH LOOP LOOPFILE
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BUNDLES=$LIVE/bundles
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MODULES=$LIVE/modules
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SB="$(basename "$1")"
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rmdir "$BUNDLES/$SB" 2>/dev/null # this fails unless the dir is
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rmdir "$BUNDLES/$SB.sb" 2>/dev/null # forgotten there empty. It's safe this way
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if [ ! -d "$BUNDLES/$SB" ]; then
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# we don't have real filename match, lets try to add .sb extension
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if [ ! -d "$BUNDLES/$SB.sb" ]; then
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# no, still no match. Lets use some guesswork
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SB=$(print_branches | cut -f 2 | egrep -o "/[0-9]+-$SB.sb\$" | tail -n 1 | xargs -r basename)
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else
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SB="$SB.sb"
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fi
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fi
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if [ "$SB" = "" -o ! -d "$BUNDLES/$SB" ]; then
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die "can't find active slax bundle $1"
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fi
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echo "Attempting to deactivate Slax bundle $SB..."
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mount -t aufs -o remount,verbose,del:"$BUNDLES/$SB" aufs / 2>/dev/null
|
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if [ $? -ne 0 ]; then
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die "Unable to deactivate Slax Bundle - still in use. See dmesg for more."
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fi
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# remember what loop device was the bundle mounted to, it may be needed later
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LOOP="$(cat /proc/mounts | fgrep " $BUNDLES/$SB " | cut -d " " -f 1)"
|
||||
LOOPFILE="$(losetup "$LOOP" | cut -d " " -f 3 | sed -r 's:^.|.$::g')"
|
||||
|
||||
umount "$BUNDLES/$SB" 2>/dev/null
|
||||
if [ $? -ne 0 ]; then
|
||||
die "Unable to umount Slax bundle loop-mount $BUNDLES/$SB"
|
||||
fi
|
||||
rmdir "$BUNDLES/$SB"
|
||||
|
||||
# free the loop device manually since umount fails to do that if the bundle was activated on boot
|
||||
losetup -d "$LOOP" 2>/dev/null
|
||||
|
||||
if echo "$LOOPFILE" | grep -q $RAMSTORE; then
|
||||
rm -f $LOOPFILE
|
||||
fi
|
||||
|
||||
echo "Slax Bundle deactivated: $SB"
|
||||
}
|
||||
|
||||
|
||||
usage()
|
||||
{
|
||||
echo "Usage: $0 [ activate | deactivate | list ] [ file.sb ]" >&2
|
||||
if [ "$1" != "" ]; then
|
||||
echo "$1" >&2
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
if [ "$1" = "" ]; then
|
||||
usage
|
||||
die
|
||||
fi
|
||||
|
||||
if [ "$1" = "activate" ]; then
|
||||
activate "$2"
|
||||
fi
|
||||
|
||||
if [ "$1" = "deactivate" ]; then
|
||||
deactivate "$2"
|
||||
fi
|
||||
|
||||
if [ "$1" = "list" ]; then
|
||||
print_branches
|
||||
fi
|
||||
|
||||
if [ "$1" = "savechanges" ]; then
|
||||
shift
|
||||
savechanges "$@"
|
||||
fi
|
||||
Loading…
Reference in New Issue