110 lines
3.3 KiB
Text
110 lines
3.3 KiB
Text
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#!/bin/bash -e
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COMMENT="# this script is part of apt-get-interim, a tool for updating a debian system
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# without fast local net connection.
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# there are three stages.
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# first read in a list of needed packages.
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# second download them on any debian system with fast internet connection.
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# third install them on the origin debian system
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# a bunch of scripts will be generated by apt-get-interim,
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# so you simply have to start four scripts at all and everything will be fine :)
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## send comments to age-at-systemausfall-dot-org"
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USAGEHINT="apt-get-interim-update - APT for lousy connected boxes\n
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usage: $0 DIR [ACTION]\n
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\tDIR should be the path to your removeable media\n
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\tACTION can be \"upgrade\", \"dist-upgrade\", \"install PACKAGELIST\"\n
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\t\tdefault action is dist-upgrade"
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VERSION="0.2"
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# what apt-get action should be performed (e.g. upgrade, install package foo, ..)
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ACTION="dist-upgrade"
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#ACTION="install $2" ##where $2 is a file with packagenames or a package or ia list of packages in quotes
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# which sources list should be used
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SRCLIST="/etc/apt/sources.list"
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[ -z "$1" ] && echo -e $USAGEHINT && exit 1
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MEDIUM="$1"
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echo "your media: $MEDIUM"
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[ ! -d $MEDIUM -o ! -w $MEDIUM -o ! -x $MEDIUM ] && echo -e "\tis not writeable!" && exit 1
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[ ! -z "$2" ] && ACTION="$2"
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echo "apt-get action: $ACTION"
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SCRIPT1=${MEDIUM}/apt-get-interim_1_$(uname -n)
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SCRIPT2=${MEDIUM}/apt-get-interim_2_$(uname -n)
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SCRIPT3=${MEDIUM}/apt-get-interim_3_$(uname -n)
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REMOTE_APT_CONF=${MEDIUM}/apt.conf
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## generate stage 1 script for local update
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cat > $SCRIPT1 <<EOF
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#!/bin/sh
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# This file was auto-generated by apt-get-interim ${VERSION}
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$COMMENT
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# stage 1:
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# start this script on your debianbox with a slow internet connection,
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# to update your package lists.
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apt-get update || exit 1
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cd $MEDIUM || exit 1
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mkdir -p archives/partial
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mkdir -p lists/partial
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cp /var/lib/dpkg/status status
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cp $SRCLIST sources.list
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chmod 644 $SCRIPT1
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chmod 744 $SCRIPT2
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mv \$0 \${0}.done
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echo "start the stage 2 script on a debian machine with fast access to your apt sources!"
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EOF
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chmod 744 $SCRIPT1
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## generate remote apt.conf
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cat > $REMOTE_APT_CONF <<EOF
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APT {
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Architecture "i386";
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Get::Download-Only "true";
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}
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Dir {
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State "${MEDIUM}";
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State::status "status";
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Cache::archives "${MEDIUM}/archives";
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}
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EOF
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## generate stage 2 script to run on the remote machine
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cat > $SCRIPT2 <<EOF
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#!/bin/sh
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# This file was auto-generated by apt-get-interim ${VERSION}
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$COMMENT
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# stage 2:
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# start this script on a machine with fast access to the apt sources"
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cd $MEDIUM
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export APT_CONFIG="${REMOTE_APT_CONF}"
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apt-get update
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apt-get $ACTION
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chmod 644 $SCRIPT2
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chmod 744 $SCRIPT3
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mv \$0 \${0}.done
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echo "now get back home and install the fetched packages with the third script!"
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EOF
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## generate stage 3 script that back on local machine installs the fetched packages
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cat > $SCRIPT3 <<EOF
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#!/bin/sh
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# This file was auto-generated by apt-get-interim ${VERSION}
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$COMMENT
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# stage 3:
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# start this script fully deb loaded and back on your slow connected machine
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cd $MEDIUM
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export APT_CONFIG="$MEDIUM/apt.conf"
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apt-get check
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apt-get --no-d -o dir::etc::status=/var/lib/dpkg/status $ACTION
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chmod 644 $SCRIPT3
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mv \$0 \${0}.done
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echo "that's it, see you next time.."
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EOF
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echo "three scripts were generated."
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echo -e "ypu can start now the script for the first stage:\n\t$SCRIPT1"
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