223 lines
6.6 KiB
Text
223 lines
6.6 KiB
Text
# empbuilderlib : shell library to support building chroots for Emdebian.
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#
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# Copyright (C) 2006-2010 Neil Williams <codehelp@debian.org>
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# Copyright (C) 2001-2007 Junichi Uekawa
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#
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# This package is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This shell library requires perl and pbuilder (which means bash!) !
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# Draws in POSIX shell functions from emrootfslib to be able to call
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# in functions from first_stage_install within debootstrap. The only
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# reasons to continue putting new functions in here are if:
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# 1. the functions are only useful to create cross-building chroots OR
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# 2. the functions need to call pbuilder code directly.
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# There should be no need to call pbuilder code within scripts that
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# generate a root filesystem.
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# Intended solely for use on the build machine. Do not use these functions
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# in second_stage_install !
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. /usr/share/emdebian-tools/emrootfslib
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. /usr/lib/pbuilder/pbuilder-modules
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WORKPLACE="${WORKDIR}/pbuilder"
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BASETGZ="${WORKDIR}/emdebian.tgz"
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#pbuilder base values
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DEBIAN_BUILDARCH=$ARCH
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# cross-building chroot is same arch as host.
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BUILDRESULT="$WORKPLACE/result/"
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# tidy up // to /
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BUILDRESULT=`echo $BUILDRESULT | tr -s \/`
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APTCACHE="$WORKPLACE/aptcache/"
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# tidy up // to /
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APTCACHE=`echo $APTCACHE | tr -s \/`
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AUTO_DEBSIGN=yes
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APTCACHEHARDLINK="no"
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BUILDPLACE="$WORKPLACE/build"
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# the default is to add a PID in the buildplace.
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BASEBUILDPLACE="$BUILDPLACE"
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if [ "${PRESERVE_BUILDPLACE}" != "yes" ]; then
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BUILDPLACE="$BUILDPLACE/$$"
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fi
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function extractembuildplace () {
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# after calling this function, umountproc, and cleanbuildplace
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# needs to be called. Please trap it.
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if [ ! \( "${PRESERVE_BUILDPLACE}" = "yes" -a -d "$BUILDPLACE" \) ]; then
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cleanbuildplace
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echo "Building the Emdebian build Environment"
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if ! mkdir -p "$BUILDPLACE"; then
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echo "E: failed to build the directory to chroot"
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exit 1
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fi
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echo " -> extracting base tarball [${BASETGZ}]"
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if [ ! -f "$BASETGZ" ]; then
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echo "E: failed to find $BASETGZ, have you created your base tarball yet?"
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exit 1
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fi
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if ! (cd "$BUILDPLACE" && tar xfzp "$BASETGZ"); then
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echo "E: failed to extract $BASETGZ to $BUILDPLACE"
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exit 1
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fi
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echo " -> creating local configuration"
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if [ $CROSS -a $CROSS != $ARCH ]; then
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hostname -f > "$BUILDPLACE/etc/mailname"
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else
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echo "emdebian-$ARCH" > "$BUILDPLACE/etc/mailname"
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fi
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if [ ! -f "$BUILDPLACE/etc/apt/apt.conf.d/10disablerecommends" ]; then
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disable_apt_recommends
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fi
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fi
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copy_local_configuration
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mountproc
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mkdir -p "$BUILDPLACE/tmp/buildd"
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chmod 1777 "$BUILDPLACE/tmp"
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if [ "$OVERRIDE_APTLINES" = "yes" ]; then
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installaptlines
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fi
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}
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function autoclean_aptcache() {
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if [ -n "$APTCACHE" ]; then
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echo " -> Cleaning the cached apt archive"
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chroot $BUILDPLACE /usr/bin/apt-get autoclean || true
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find "$APTCACHE/" -maxdepth 1 -name \*.deb | \
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while read A; do
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if [ ! -f "$BUILDPLACE/var/cache/apt/archives/"$(basename "$A") -a \
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-f "$A" ]; then
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echo " -> obsolete cache content "$(basename "$A")" removed"
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rm -f "$A" || true
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fi
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done
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fi
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}
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# intended only for chroots
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function copy_host_configuration () {
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echo " -> copying local configuration"
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if [ $CROSS -a $CROSS != $ARCH ]; then
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for a in hosts hostname resolv.conf; do
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sudo rm -f "$BUILDPLACE/etc/$a"
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if [ ! -f "/etc/$a" ]; then
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echo "E: /etc/$a does not exist, your setup is insane. fix it" >&2
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sudo cp $( readlink -f "/etc/$a" ) "$BUILDPLACE/etc/$a";
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fi
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done
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else
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# sandboxes need a different hostname
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mkdir -p "$BUILDPLACE"/etc/
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cat > "$BUILDPLACE"/etc/hostname << EOF
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emdebian-$ARCH
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EOF
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fi
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}
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function createemchroot()
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{
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if [ $SUITE == testing ]; then
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BASETGZ="${WORKDIR}/emdebian-testing.tgz"
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SUITE=testing
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. /usr/share/emdebian-tools/embootstrap --arch $ARCH testing
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echo "Creating an embootstrap testing chroot"
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else
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BASETGZ="$WORKDIR/emdebian.tgz"
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. /usr/share/emdebian-tools/embootstrap --arch $ARCH
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fi
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}
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function checkembuilddep () {
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# call satisfydepends
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local BUILDOPT="--binary-all"
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case "${BINARY_ARCH}" in
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yes) BUILDOPT="--binary-arch";;
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*) ;;
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esac
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PBUILDERSATISFYDEPENDSCMD=/usr/lib/pbuilder/pbuilder-satisfydepends
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CONTROL=$BUILDPLACE/trunk/$SVN/debian/control
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# this version parses debian/control, NOT the .dsc
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# so that when Emdebian removes dependencies, the chroot does too.
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echo "Running: $PBUILDERSATISFYDEPENDSCMD --control $CONTROL --chroot $BUILDPLACE ${BUILDOPT}"
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if "$PBUILDERSATISFYDEPENDSCMD" --control "$CONTROL" --chroot "${BUILDPLACE}" "${BUILDOPT}" ; then
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echo " -> installed ${HOST_ARCH} dependencies."
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else
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echo "E: pbuilder-satisfydepends failed." >&2
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exit 2
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fi
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# install extra packages to the chroot
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if [ -n "$EXTRAPACKAGES" ]; then
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if echo "DEBIAN_FRONTEND=noninteractive usr/bin/apt-get -y --force-yes install ${EXTRAPACKAGES}" | chroot $BUILDPLACE /bin/sh; then
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:
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else
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# if apt failed (maybe update needs to be run), save so far and exit cleanly
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save_aptcache
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umountproc
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cleanbuildplace
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exit 1;
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fi
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fi
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}
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# get $ARCH .deb and put into /var/cache/apt/archives to
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# allow these to be saved between builds.
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function save_aptcrosscache() {
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# save the current aptcache archive
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# it is safe to call this function several times.
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local doit
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if [ -n "$APTCACHE" ]; then
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echo "Copying back the cached apt-cross archive contents"
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mkdir -p "$APTCACHE" ;
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if [ "$APTCACHEHARDLINK" = "yes" ]; then
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doit=ln
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else
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doit=cp
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fi
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# apt-cross puts the archives in the chroot /
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find "$BUILDPLACE/" -maxdepth 1 -name \*.deb | \
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while read A ;do
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if [ ! -f "$APTCACHE/"$(basename "$A") -a -f "$A" ]; then
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echo " -> new cache content "$(basename "$A")" added"
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$doit "$A" "$APTCACHE/" || true
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fi
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done
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fi
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}
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function get_aptcross_dir ()
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{
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if [ -z "$HOME" -o ! -d $HOME ]; then
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HOME="/tmp";
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fi
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path="$HOME/.apt-cross";
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if [ ! -d $path ]; then
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mkdir $path;
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fi
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}
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function get_primary ()
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{
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get_aptcross_dir
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if [ -f "$path/emsource.conf" ]; then
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PRIMARY=`grep primary $path/emsource.conf|cut -d: -f2|tr -d ' '`
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else
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if [ -f "/etc/emsource.conf" ]; then
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PRIMARY=`grep primary /etc/emsource.conf|cut -d: -f2|tr -d ' '`
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else
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PRIMARY="ftp.uk.debian.org"
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fi
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fi
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}
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