3 # Common functions for build scripts used by various packages
4 # incorporated (e.g., build, bootcd, nodeimage, sliceimage)
6 # Marc E. Fiuczynski <mef@cs.princeton.edu>
7 # Copyright (C) 2007 The Trustees of Princeton University
8 # Thierry Parmentelat <thierry.parmentelat@inria.fr> INRIA
10 # supported distros f12 f14 f16 f18 f20
11 # and debians/ubuntus to a lesser extent
13 # for locating pkgs.py
16 # old guests have e.g. mount in /bin but this is no longer part of
17 # the standard PATH in recent hosts after usrmove, so let's keep it simple
18 export PATH=$PATH:/bin:/sbin
20 # would be much simpler if enter-lxc-namespace was looking along a PATH...
21 function bin_in_container () {
24 for path in $(echo $PATH | sed -e 's,:, ,g' ); do
25 [ -f /vservers/$lxc/$path/$binary ] && { echo $path/$binary; return; }
27 echo bin_in_container_cannot_find_$binary
30 # returns 'Fedora' or 'CentOS' for now
31 function pl_getDistro() {
32 if [ -f "/etc/redhat-release" ] ; then
33 distro=$(awk ' { print $1 } ' /etc/redhat-release)
34 case $distro in Scientific*) distro="SL" ; esac
35 elif [ -f /etc/lsb-release ] ; then
37 echo $DISTRIB_CODENAME
38 elif [ -f /etc/debian_version ] ; then
39 case $(cat /etc/debian_version) in
40 6.*) distro=squeeze ;;
42 *) distro=unknown.debian.in.build.common ;;
45 [ -z "$distro" ] && { echo "build.common.pl_getDistro-unknown"; exit 1; }
50 # returns something like 8, 10, or 5.3
51 function pl_getRelease() {
52 if [ -f "/etc/redhat-release" ] ; then
53 release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 ; if ($1=="Scientific") print $4 } ' /etc/redhat-release)
55 echo "build.common.pl_getRelease-unknown"
58 # keep only the major number
59 echo "$release" | cut -d. -f1
63 # returns distro shortname, something like 'f8' or 'centos5'
64 function pl_getReleaseName () {
79 releasename=sl$release
81 squeeze|wheezy|oneiric|precise|quantal|raring|saucy)
85 releasename="unknown-name-for-${pl_DISTRO}-please-edit-build.common"
86 echo 1>&2 "build.common: WARNING - releasename not set for distro=$distro"
94 # yum exclusions are now defined in yumexclude.pkgs
95 # so they can now depend both on the linux distro and the pl distro
96 function pl_yumexclude () {
101 # search for file "yumexclude.pkgs"
102 yumexclude_file=$(pl_locateDistroFile $builddir $pldistro "yumexclude.pkgs")
104 # check if pkgs.py is in PATH
105 type -p pkgs.py >& /dev/null || export PATH=$builddir:$PATH
108 pkgs.py -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro $keyword $yumexclude_file || \
109 { echo pl_yumexclude failed with fcdistro=$fcdistro and pldistro=$pldistro; return 1 ; }
112 # <> fcdistro pldistro builddir
113 # node side : use the 'nodeyumexclude' keywork in yumexclude.pkgs
114 function pl_nodeyumexclude () { pl_yumexclude 'nodeyumexclude' "$@" ; }
115 # server side : use the 'plcyumexclude' keywork in yumexclude.pkgs
116 function pl_plcyumexclude () { pl_yumexclude 'plcyumexclude' "$@" ; }
119 # figure out which redhat distro we are using (fedora, centos, redhat)
120 pl_DISTRO=$(pl_getDistro)
122 # select basearch of the host devel environment - protected for macos for local tests
123 # try arch for testing stuff on a mac
124 pl_DISTRO_ARCH=$(uname -i 2>/dev/null || arch 2> /dev/null || echo unknownarch)
126 # the release number (plain number)
127 pl_DISTRO_RELEASE=$(pl_getRelease)
129 # the release name - something like 'f8' or 'sl6'
130 pl_DISTRO_NAME=$(pl_getReleaseName $pl_DISTRO $pl_DISTRO_RELEASE)
132 # get path to appropriate yumgroups.xml file
133 # Thierry: quick & dirty improvement
134 # this file is updated by the toplevel build, from the .pkgs files
135 pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
137 function pl_process_fedora_options () {
140 while getopts "l:r:a:h" opt ; do
143 pl_DISTRO_URL=$OPTARG
144 let shiftcount=$shiftcount+2
147 pl_DISTRO_RELEASE=$OPTARG
148 let shiftcount=$shiftcount+2
151 pl_DISTRO_ARCH=$OPTARG
152 let shiftcount=$shiftcount+2
155 echo "Usage: $0 [OPTION]..."
156 echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
157 echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
158 echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
159 echo "where distro can be either fedora, centos, or redhat"
160 echo " -h This message"
168 ######################################## handling a root image
169 function pl_root_rpm_macros () {
171 %_install_langs C:en_US:en
172 %_netsharedpath /proc:/dev/pts:/usr/share/info
174 %__file_context_path /dev/null
178 function pl_root_makedevs() {
180 # Clean ${vroot}/dev, but only when ${vroot}!=""
181 [ -n $vroot ] && rm -rf $vroot/dev
184 mknod -m 666 $vroot/dev/null c 1 3
185 mknod -m 666 $vroot/dev/zero c 1 5
186 mknod -m 666 $vroot/dev/full c 1 7
187 mknod -m 644 $vroot/dev/random c 1 8
188 mknod -m 644 $vroot/dev/urandom c 1 9
189 mknod -m 666 $vroot/dev/tty c 5 0
190 mknod -m 666 $vroot/dev/ptmx c 5 2
191 # For bash command substitution
192 ln -nsf ../proc/self/fd $vroot/dev/fd
194 # For df and linuxconf
195 touch $vroot/dev/hdv1
198 mkdir -p $vroot/dev/pts
201 mkdir -p $vroot/dev/shm
204 mkdir -p $vroot/dev/net
205 mknod -m 600 $vroot/dev/net/tun c 10 200
207 # For mkinitrd (in case a kernel is being installed)
208 # As well as for loop back mounting within a vm.
209 for i in $(seq 0 255) ; do
210 mknod -m 640 $vroot/dev/loop$i b 7 $i
214 function mkfedora_usage() {
215 echo "Usage: pl_root_mkfedora [OPTION]... basedir pldistro pkgsfile(s)"
216 echo " -l url Fedora mirror location."
217 echo " Defaults are searched in <pldistro>.mirrors"
218 echo " -v Be verbose"
219 echo " -h This message"
220 echo " target selection (defaults based on current build VM context)"
221 echo " -r release Fedora release number (default: $releasever)"
222 echo " -a arch Fedora architecture (default: $basearch)"
226 function pl_root_mkfedora () {
228 echo "* Entering pl_root_mkfedora" "$@"
230 if [ $UID -ne 0 ] ; then
231 echo "Error: You must run this script as root."
238 # Release and architecture to install : defaults to current vm settings or previously parsed fedora_options
239 releasever=$pl_DISTRO_RELEASE
240 basearch=$pl_DISTRO_ARCH
243 while getopts "vh" opt ; do
245 v) verbose=1; set -x ;;
246 h|*) mkfedora_usage ;;
250 shift $(($OPTIND - 1))
251 [[ "$#" -lt 3 ]] && mkfedora_usage
255 vroot=$(cd $vroot && pwd -P)
256 [ -d $vroot ] || mkfedora_usage
259 # parse pkgsfile and add to local vars
260 fcdistro=${pl_DISTRO_NAME}
261 pkgs_packages=$(pkgs.py -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro package $pkgsfile)
262 pkgs_groups=$(pkgs.py -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro group $pkgsfile)
263 # what can get trashed to save space
264 pkgs_junk=$(pkgs.py -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro junk $pkgsfile)
266 pkgs_precious=$(pkgs.py -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro precious $pkgsfile)
267 # formerly related to mkfedora -k : packages to take from our own build
268 # and thus need be excluded frem the stock repos
269 # locate builddir by looking for pkgs.py
270 builddir=$(dirname $(type -p pkgs.py))
271 SUBST_NODEYUMEXCLUDE=$(pl_nodeyumexclude $fcdistro $pldistro $builddir)
272 pkgs_yumexclude=$(pkgs.py -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro yumexclude $pkgsfile | sed -e s,@NODEYUMEXCLUDE@,"$SUBST_NODEYUMEXCLUDE",)
273 # get mirrors if not specified with -l
274 if [ -z "$mirrors" ] ; then
275 mirrorsfile=$(pl_locateDistroFile ../build/ $pldistro "$pldistro.mirrors")
276 # do not sort mirrors, keep order from input
277 mirrors=$(pkgs.py -u -a $pl_DISTRO_ARCH -f $fcdistro -d $pldistro mirror $mirrorsfile)
281 [ -n "$pkgs_yumexclude" ] && yumexclude_line="exclude=$pkgs_yumexclude"
283 echo "$0: candidate mirrors"
284 for mirror in $mirrors ; do
285 echo "* candidate mirror $mirror"
288 # the repo part of the final yum.conf
289 yum_conf_repos=$vroot/xxxmkfedora-repos.confxxx
290 if ! yumconf_mirrors $yum_conf_repos ../build/ $fcdistro "$yumexclude_line" $mirrors ; then
291 echo xxx -- error ; return 1
294 # Do not tolerate errors
297 public_gpg_key=$(yumconf_gpgkey $yum_conf_repos)
299 ## make rpms ignore installing stuff to special fs entries like /proc
300 # Because of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=52725
301 # you have to use at least one language beside 'C'
302 # Prevent all locales from being installed in reference image
303 mkdir -p $vroot/etc/rpm
304 pl_root_rpm_macros > $vroot/etc/rpm/macros
306 # Trick rpm and yum, who read the real root /etc/rpm/macros file
307 # rather than the one installed in the reference image, despite what
308 # you might expect the --root and --installroot options to mean. Both
309 # programs always read $HOME/.rpmmacros.
310 export HOME=$vroot/tmp
312 pl_root_rpm_macros > $vroot/tmp/.rpmmacros
314 function mkfedora_cleanup () {
315 umount -l $vroot/proc
316 umount -l $vroot/dev/shm
317 umount -l $vroot/dev/pts
320 # Clean up before exiting if anything goes wrong
321 trap "mkfedora_cleanup" ERR INT
323 # Mount in reference image
324 mount -t devpts none $vroot/dev/pts
325 mount -t tmpfs none $vroot/dev/shm
327 mount -t proc none $vroot/proc
329 # Create a /var/lib dirs for yum & rpm
330 mkdir -p $vroot/var/lib/yum
331 mkdir -p $vroot/var/lib/rpm
332 mkdir -p $vroot/usr/share/info
334 # Create a dummy /etc/fstab in reference image
336 cat >$vroot/etc/fstab <<EOF
337 # This fake fstab exists only to please df and linuxconf.
338 /dev/hdv1 / ext2 defaults 1 1
340 cp $vroot/etc/fstab $vroot/etc/mtab
342 # Necessary for some scripts
343 mkdir -p $vroot/etc/sysconfig
344 echo "NETWORKING=yes" > $vroot/etc/sysconfig/network
346 # Initialize RPM database in reference image
347 mkdir -p $vroot/var/lib/rpm
348 rpm --root $vroot --initdb
349 rpm --root $vroot --import $public_gpg_key
351 # Initialize yum in reference image
352 mkdir -p $vroot/var/cache/yum $vroot/var/log
354 # yum.conf is for building only - store in different location than /etc/yum.conf
355 yum_conf=$vroot/etc/mkfedora-yum.conf
356 cat > $yum_conf <<EOF
358 cachedir=/var/cache/yum
360 logfile=/var/log/yum.log
363 distroverpkg=redhat-release
369 # Prevent yum-2.4 from loading additional repository definitions
370 # (e.g., from /etc/yum.repos.d/)
374 cat $yum_conf_repos >> $yum_conf
376 # If we are being built as part of an automated RPM build, solve the
377 # bootstrap problem by including any just built packages in the yum
378 # configuration. This cooperates with the PlanetLab build system.
379 if [ -n "$RPM_BUILD_DIR" ] ; then
380 RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
381 # If run under sudo, allow user to delete the headers/ and
382 # repodata/ directories.
383 if [ -n "$SUDO_USER" ] ; then
384 chown -R $SUDO_USER $RPM_RPMS_DIR
386 cat >> $yum_conf <<EOF
389 name=Building - $basearch - $RPM_RPMS_DIR/
390 baseurl=file://$RPM_RPMS_DIR/
394 echo "========== Dumping $yum_conf"
396 echo "========== EndDump $yum_conf"
399 # yum --help | grep verbose &> /dev/null && yum_options="$yum_options --verbose"
400 yum_options="$yum_options -y"
401 yum_options="$yum_options -c $yum_conf"
402 yum_options="$yum_options --installroot=$vroot"
404 # glibc must be specified explicitly for the correct arch to be
406 echo "* Installing glibc"
407 # ignore yum's return code that is basically undefined
408 yum $yum_options install glibc || :
411 if [ -n "$pkgs_packages" ] ; then
412 echo "* Installing optional packages" $pkgs_packages
413 # ignore yum's return code that is basically undefined
414 echo "* Install options" $vroot $yum_options
415 yum $yum_options install $pkgs_packages || :
416 if ! rpm --root $vroot -q $pkgs_packages >/dev/null ; then
417 echo "* Warning: Missing packages"
418 rpm --root $vroot -q $pkgs_packages | grep "not installed"
422 if [ -n "$pkgs_groups" ] ; then
423 ## call yum sequentially to get finer-grained info on dependencies
424 for group_plus in $pkgs_groups ; do
425 group=$(echo $group_plus | sed -e "s,+++, ,g")
426 echo "* Installing optional group $group"
427 # ignore yum's return code that is basically undefined
428 yum $yum_options groupinstall "$group" || :
432 # formerly in bootcd/prep.sh : to optimize footprint
433 if [ -n "$pkgs_junk" ] ; then
434 echo "* Removing unnecessary junk"
436 # Save precious files
437 [ -n "$pkgs_precious" ] && tar --ignore-failed-read -cpf precious.tar $pkgs_precious
438 # Remove unnecessary junk
439 [ -n "$pkgs_junk" ] && rm -rf $pkgs_junk
440 # Restore precious files
441 [ -n "$pkgs_precious" ] && tar -xpf precious.tar && rm -f precious.tar
448 # NOTE: this hack is for Fedora >= 12.
449 # if kernel-debug is installed, clean it up
450 # we link to our version of kernel/initrd and clean up
451 # kernel-debug manually
452 if rpm --root $vroot --quiet -q kernel-debug ; then
453 echo "* Cleaning up kernel-debug - (workaround for f12)"
455 rm -rf kernel-boot kernel-bootsmp initrd-boot initrd-bootsmp
456 ln -s vmlinuz-*${pldistro}* kernel-boot
457 ln -s vmlinuz-*${pldistro}* kernel-bootsmp
458 ln -s initrd-*${pldistro}* initrd-boot
459 ln -s initrd-*${pldistro}* initrd-bootsmp
460 rpm --root $vroot --nodeps -e kernel-debug || :
464 # ignore yum's return code that is basically undefined
465 yum $yum_options clean all || :
468 rm -f $vroot/var/lib/rpm/__db*
470 # Set time zone to UTC
471 if [ -f $vroot/usr/share/zoneinfo/UTC -a -f $vroot/etc/localtime ] ; then
472 rm -f $vroot/etc/localtime
473 ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
476 echo "Dumping current list of rpms in /etc/mkfedora-rpms.txt"
477 chroot $vroot rpm -aq | sort > $vroot/etc/mkfedora-rpms.txt
479 # remove trap handler, as we are about to call it directly.
488 function pl_root_tune_image () {
491 # Disable all services in reference image
492 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
494 # FC2 minilogd starts up during shutdown and makes unmounting
495 # impossible. Just get rid of it.
496 rm -f $root/sbin/minilogd
497 ln -nsf /bin/true $root/sbin/minilogd
499 # This tells the Boot Manager that it is okay to update
500 # /etc/resolv.conf and /etc/hosts whenever the network configuration
501 # changes. Users are free to delete this file.
502 touch $root/etc/AUTO_UPDATE_NET_FILES
505 # Move specified directories out of a src tree into a dst tree, and
506 # then for each moved directory create a symlink in src to dst.
507 function pl_move_dirs() {
514 for datadir in "$@" ; do
515 mkdir -p ${data}${datadir}
516 if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
517 (cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
519 rm -rf ${root}/${datadir}
520 mkdir -p $(dirname ${root}/${datadir})
521 ln -nsf ${store}/${datadir} ${root}/${datadir}
525 # Construct an image file from given some directory
526 # XXX in the future maybe use livecdtools?
527 function pl_make_image() {
532 # Leave about 100 MB free space and allow for about 20% inode overhead
533 bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
535 blocks=$(($bytes / $bs))
536 dd bs=$bs count=$blocks if=/dev/zero of=$image
537 mkfs.ext3 -b $bs -j -F $image
539 # Temporarily mount it
540 tmp=$(mktemp -d tmp.XXXXXX)
541 mount -o loop $image $tmp
542 trap "umount $tmp; rmdir $tmp" ERR INT
545 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
553 # Fix permissions on tmp directories
554 function pl_fixtmp_permissions() {
556 chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
559 function pl_fixdirs() {
562 for datadir in datadirs ; do
563 if [ -h ${root}/${datadir} ] ; then
564 rm -f ${root}/${datadir}
565 mkdir -p ${root}/${datadir}
570 ########## .pkgs format
571 # Usage: pl_parsePkgs keyword [-a arch] fcdistro pldistro pkgs-file[..s]
572 # pkgs.py should be found in PATH, like this file build.common
573 # only usage should be for pl_getPackages and pl_getGroups,
574 # which in turn are usednow be in {node,slice}image/build.sh
575 function pl_parsePkgs () {
576 target_arch=$pl_DISTRO_ARCH
578 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
582 echo 1>&2 "pl_parsePkgs: using -a $target_arch -f $fcdistro -d $pldistro $keyword $@"
583 pkgs.py -a $target_arch -f $fcdistro -d $pldistro $keyword "$@"
585 # usage: pl_getPackages [-a arch] fcdistro pldistro pkg-file[..s]
586 function pl_getPackages() { pl_parsePkgs package "$@" ; }
587 function pl_getGroups() { pl_parsePkgs group "$@" ; }
589 ##############################
591 # locates a pldistro-dependant file
592 # tries first in build/<pldistro>/, then in build/planetlab/
593 function pl_locateDistroFile () {
599 # if config dir is missing but a .svnpath or a .gitpath exists, use it to extract the config dir
600 configdir="$builddir/config.${pldistro}"
601 if [ ! -d $configdir ] ; then
602 if [ -f "${configdir}.svnpath" -o -f "${configdir}.gitpath" ] ; then
603 echo 1>&2 "Invoking make to extract remote config.${pldistro}"
604 # we set PLDISTROTAGS here to /dev/null because when dealing with remote distros
605 # at a very early stage (like searching for devel.pkgs even before the build VM is created)
606 # then make screams because it cannot find a mandatory include file
607 # OTOH this mechanism here is not intended to depend on tags specifically
608 make 1>&2 --no-print-directory -C $builddir stage1=true config.${pldistro} PLDISTROTAGS=/dev/null
612 paths="$builddir/config.$pldistro/$pkgsfile $builddir/config.planetlab/$pkgsfile"
613 for path in $paths; do
614 if [ -f $path ] ; then
619 if [ -z "$pkgspath" ] ; then
620 echo 1>&2 "pl_locateDistroFile - in $(pwd) : cannot locate $pkgsfile in $builddir"
621 echo 1>&2 "candidates were $paths"
622 echo "not-found-by-pl_locateDistroFile"
625 echo 1>&2 "pl_locateDistroFile: using $pkgspath"
631 function yumgroups_from_pkgs () {
637 sedargs="-e s,@FCDISTRO@,$fcdistro,g"
640 <?xml version="1.0"?>
641 <!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
645 for pkgsname in $pkgsnames; do
646 pkgsfile=$(pl_locateDistroFile $builddir $pldistro $pkgsname)
647 packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
649 groupname=$(pkgs.py groupname $pkgsfile | sed $sedargs)
650 groupdesc=$(pkgs.py groupdesc $pkgsfile | sed $sedargs)
652 if [ -z "$groupname" -o -z "$groupdesc" ] ; then
653 echo "Cannot find groupname: and groupdesc: in $pkgsfile -- skipped" 1>&2
657 cat << __group_header
659 <id>$(echo $groupname|tr A-Z a-z)</id>
660 <name>$groupname</name>
661 <description>$groupdesc</description>
662 <uservisible>true</uservisible>
665 for package in $packages; do
666 echo "<packagereq type=\"mandatory\">$package</packagereq>"
668 cat << __group_footer
679 function build_fetch () {
680 curl --fail --silent --max-time 60 --output /dev/null "$1"
683 # tries to compute a valid yum.conf for that pldistro from the template in mirroring/
684 # returns 0 and writes <dest_yumconf> on success
685 # returns 1 on failure, in which case <dest_yumconf> is deleted
686 function yumconf_mirrors () {
687 dest_yumconf=$1; shift
690 yumexclude_line="$1" ; shift
693 template=$builddir/mirroring/$fcdistro/yum.repos.d/building.repo.in
695 if [ ! -f $template ] ; then
696 echo "yumconf_mirrors: cannot locate template $template"
701 for mirror in $mirrors; do
702 if yumconf_mirror $dest_yumconf $template "$yumexclude_line" $mirror; then
706 echo 'yumconf_mirrors in build.common : ran out of mirrors -- BAILING OUT'
711 # computes a yum.conf from the template, and checks that all baseurl defined in there are valid repos
712 # returns 0 on success and 1 on failure
713 function yumconf_mirror () {
714 dest_yumconf=$1; shift
716 yumexclude_line="$1" ; shift
719 sed -e "s,@MIRRORURL@,$mirror,g" \
721 $yumexclude_line" $template > $dest_yumconf
723 # capture all lines defining baseurl
724 baseurl_defs=$(grep '^baseurl=' $dest_yumconf)
725 if [ -z "$baseurl_defs" ] ; then
729 for baseurl_def in $baseurl_defs; do
730 baseurl=$(echo $baseurl_def | sed \
732 -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
733 repomd=$baseurl/repodata/repomd.xml
735 echo "* Trying to fetch $repomd"
736 if ! build_fetch $repomd ; then
737 echo "* Failed to fetch $repomd"
741 echo "* Selected mirror $mirror"
745 # from a yum.conf as generated above, computes the gpgkey urls
746 function yumconf_gpgkey () {
747 dest_yumconf=$1; shift
749 values=$(grep -h '^gpgkey=' $dest_yumconf | sed -e s,gpgkey=,, | sed -e 's,$basearch,'"$pl_DISTRO_ARCH",g | sed -e 's, ,\n,g' | sort | uniq | xargs)
750 [ -n "$values" ] || return 1
755 # patches a yum conf to insert an exclude line in each declared repo
756 function yumconf_exclude () {
758 yumexclude_line="$1" ; shift
760 sed -i -e "/#baseurl=.*$/i\\
761 $yumexclude_line" $repo