3 # Common functions for build scripts used by various packages
4 # incorporated (e.g., build, myplc, myplc-devel, vserver-reference)
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 f8, f10, f12, f14, f16, centos5, sl6
12 # for locating pkgs.py
15 # returns 'Fedora' or 'CentOS' for now
16 function pl_getDistro() {
17 if [ -f "/etc/redhat-release" ] ; then
18 distro=$(awk ' { print $1 } ' /etc/redhat-release)
19 case $distro in Scientific*) distro="SL" ; esac
21 echo "build.common.pl_getDistro-unknown"
28 # returns something like 8, 10, or 5.3
29 function pl_getRelease() {
30 if [ -f "/etc/redhat-release" ] ; then
31 release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 ; if ($1=="Scientific") print $4 } ' /etc/redhat-release)
33 echo "build.common.pl_getRelease-unknown"
36 # keep only the major number
37 echo "$release" | cut -d. -f1
41 # returns stuff for vserver, i.e. something like 'f8' or 'centos5'
42 function pl_getReleaseName () {
57 releasename=sl$release
60 releasename="unknown-name-for-${pl_DISTRO}-please-edit-build.common"
61 echo 1>&2 "build.common: WARNING - releasename not set for distro=$distro"
69 # yum exclusions are now defined in yumexclude.pkgs
70 # so they can now depend both on the linux distro and the pl distro
71 function pl_yumexclude () {
76 # search for file "yumexclude.pkgs"
77 yumexclude_file=$(pl_locateDistroFile $builddir $pldistro "yumexclude.pkgs")
79 # check if pkgs.py is in PATH
80 type -p pkgs.py >& /dev/null || export PATH=$builddir:$PATH
83 pl_parsePkgs $keyword $fcdistro $pldistro $yumexclude_file || \
84 { echo pl_yumexclude failed with fcdistro=$fcdistro and pldistro=$pldistro; return 1 ; }
87 # <> fcdistro pldistro builddir
88 # node side : use the 'nodeyumexclude' keywork in yumexclude.pkgs
89 function pl_nodeyumexclude () { pl_yumexclude 'nodeyumexclude' "$@" ; }
90 # server side : use the 'plcyumexclude' keywork in yumexclude.pkgs
91 function pl_plcyumexclude () { pl_yumexclude 'plcyumexclude' "$@" ; }
94 # figure out which redhat distro we are using (fedora, centos, redhat)
95 pl_DISTRO=$(pl_getDistro)
97 # select basearch of the host devel environment - protected for macos for local tests
98 # try arch for testing stuff on a mac
99 pl_DISTRO_ARCH=$(uname -i 2>/dev/null || arch 2> /dev/null || echo unknownarch)
101 # the release number (plain number)
102 pl_DISTRO_RELEASE=$(pl_getRelease)
104 # the release name - for vserver build ...
105 pl_DISTRO_NAME=$(pl_getReleaseName $pl_DISTRO $pl_DISTRO_RELEASE)
107 # get path to appropriate yumgroups.xml file
108 # Thierry: quick & dirty improvement
109 # this file is updated by the toplevel build, from the .pkgs files
110 pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
112 function pl_process_fedora_options () {
115 while getopts "l:r:a:h" opt ; do
118 pl_DISTRO_URL=$OPTARG
119 let shiftcount=$shiftcount+2
122 pl_DISTRO_RELEASE=$OPTARG
123 let shiftcount=$shiftcount+2
126 pl_DISTRO_ARCH=$OPTARG
127 let shiftcount=$shiftcount+2
130 echo "Usage: $0 [OPTION]..."
131 echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
132 echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
133 echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
134 echo "where distro can be either fedora, centos, or redhat"
135 echo " -h This message"
143 ######################################## handling a root image
144 function pl_root_rpm_macros () {
146 %_install_langs C:en_US:en
147 %_netsharedpath /proc:/dev/pts:/usr/share/info
149 %__file_context_path /dev/null
153 function pl_root_makedevs() {
155 # Clean ${vroot}/dev, but only when ${vroot}!=""
156 [ -n $vroot ] && rm -rf $vroot/dev
159 mknod -m 666 $vroot/dev/null c 1 3
160 mknod -m 666 $vroot/dev/zero c 1 5
161 mknod -m 666 $vroot/dev/full c 1 7
162 mknod -m 644 $vroot/dev/random c 1 8
163 mknod -m 644 $vroot/dev/urandom c 1 9
164 mknod -m 666 $vroot/dev/tty c 5 0
165 mknod -m 666 $vroot/dev/ptmx c 5 2
166 # For bash command substitution
167 ln -nsf ../proc/self/fd $vroot/dev/fd
169 # For df and linuxconf
170 touch $vroot/dev/hdv1
173 mkdir -p $vroot/dev/pts
175 # (Might have to remove the following for vserver-reference.)
178 mkdir -p $vroot/dev/shm
181 mkdir -p $vroot/dev/net
182 mknod -m 600 $vroot/dev/net/tun c 10 200
184 # For mkinitrd (in case a kernel is being installed)
185 # As well as for loop back mounting within a vserver.
186 for i in $(seq 0 255) ; do
187 mknod -m 640 $vroot/dev/loop$i b 7 $i
191 function mkfedora_usage() {
192 echo "Usage: pl_root_mkfedora [OPTION]... basedir pldistro pkgsfile(s)"
193 echo " -l url Fedora mirror location."
194 echo " Defaults are searched in <pldistro>.mirrors"
195 echo " -v Be verbose"
196 echo " -h This message"
197 echo " target selection (defaults based on current build vserver)"
198 echo " -r release Fedora release number (default: $releasever)"
199 echo " -a arch Fedora architecture (default: $basearch)"
203 function pl_root_mkfedora () {
205 echo "* Entering pl_root_mkfedora" "$@"
207 if [ $UID -ne 0 ] ; then
208 echo "Error: You must run this script as root."
215 # Release and architecture to install : defaults to current vserver's settings or previously parsed fedora_options
216 releasever=$pl_DISTRO_RELEASE
217 basearch=$pl_DISTRO_ARCH
220 while getopts "vh" opt ; do
222 v) verbose=1; set -x ;;
223 h|*) mkfedora_usage ;;
227 shift $(($OPTIND - 1))
228 [[ "$#" -lt 3 ]] && mkfedora_usage
232 vroot=$(cd $vroot && pwd -P)
233 [ -d $vroot ] || mkfedora_usage
236 # parse pkgsfile and add to local vars
237 fcdistro=${pl_DISTRO_NAME}
238 pkgs_packages=$(pl_parsePkgs package $fcdistro $pldistro $pkgsfile)
239 pkgs_groups=$(pl_parsePkgs group $fcdistro $pldistro $pkgsfile)
240 # what can get trashed to save space
241 pkgs_junk=$(pl_parsePkgs junk $fcdistro $pldistro $pkgsfile)
243 pkgs_precious=$(pl_parsePkgs precious $fcdistro $pldistro $pkgsfile)
244 # formerly related to mkfedora -k : packages to take from our own build
245 # and thus need be excluded frem the stock repos
246 # locate builddir by looking for pkgs.py
247 builddir=$(dirname $(type -p pkgs.py))
248 SUBST_NODEYUMEXCLUDE=$(pl_nodeyumexclude $fcdistro $pldistro $builddir)
249 pkgs_yumexclude=$(pl_parsePkgs yumexclude $fcdistro $pldistro $pkgsfile | sed -e s,@NODEYUMEXCLUDE@,"$SUBST_NODEYUMEXCLUDE",)
250 # get mirrors if not specified with -l
251 if [ -z "$mirrors" ] ; then
252 mirrorsfile=$(pl_locateDistroFile ../build/ $pldistro "$pldistro.mirrors")
253 mirrors=$(pl_parsePkgs mirror $fcdistro $pldistro $mirrorsfile)
257 [ -n "$pkgs_yumexclude" ] && yumexclude_line="exclude=$pkgs_yumexclude"
259 echo "$0: candidate mirrors"
260 for mirror in $mirrors ; do
261 echo "* candidate mirror $mirror"
264 # the repo part of the final yum.conf
265 yum_conf_repos=$vroot/xxxmkfedora-repos.confxxx
266 if ! yumconf_mirrors $yum_conf_repos ../build/ $fcdistro "$yumexclude_line" $mirrors ; then
267 echo xxx -- error ; return 1
270 # Do not tolerate errors
273 public_gpg_key=$(yumconf_gpgkey $yum_conf_repos)
275 ## make rpms ignore installing stuff to special fs entries like /proc
276 # Because of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=52725
277 # you have to use at least one language beside 'C'
278 # Prevent all locales from being installed in reference image
279 mkdir -p $vroot/etc/rpm
280 pl_root_rpm_macros > $vroot/etc/rpm/macros
282 # Trick rpm and yum, who read the real root /etc/rpm/macros file
283 # rather than the one installed in the reference image, despite what
284 # you might expect the --root and --installroot options to mean. Both
285 # programs always read $HOME/.rpmmacros.
286 export HOME=$vroot/tmp
288 pl_root_rpm_macros > $vroot/tmp/.rpmmacros
290 function mkfedora_cleanup () {
291 umount -l $vroot/proc
292 umount -l $vroot/dev/shm
293 umount -l $vroot/dev/pts
296 # Clean up before exiting if anything goes wrong
297 trap "mkfedora_cleanup" ERR INT
299 # Mount in reference image
300 mount -t devpts none $vroot/dev/pts
301 mount -t tmpfs none $vroot/dev/shm
303 mount -t proc none $vroot/proc
305 # Create a /var/lib dirs for yum & rpm
306 mkdir -p $vroot/var/lib/yum
307 mkdir -p $vroot/var/lib/rpm
308 mkdir -p $vroot/usr/share/info
310 # Create a dummy /etc/fstab in reference image
312 cat >$vroot/etc/fstab <<EOF
313 # This fake fstab exists only to please df and linuxconf.
314 /dev/hdv1 / ext2 defaults 1 1
316 cp $vroot/etc/fstab $vroot/etc/mtab
318 # Necessary for some scripts
319 mkdir -p $vroot/etc/sysconfig
320 echo "NETWORKING=yes" > $vroot/etc/sysconfig/network
322 # Initialize RPM database in reference image
323 mkdir -p $vroot/var/lib/rpm
324 rpm --root $vroot --initdb
325 rpm --root $vroot --import $public_gpg_key
327 # Initialize yum in reference image
328 mkdir -p $vroot/var/cache/yum $vroot/var/log
330 # yum.conf is for building only - store in different location than /etc/yum.conf
331 yum_conf=$vroot/etc/mkfedora-yum.conf
332 cat > $yum_conf <<EOF
334 cachedir=/var/cache/yum
336 logfile=/var/log/yum.log
339 distroverpkg=redhat-release
345 # Prevent yum-2.4 from loading additional repository definitions
346 # (e.g., from /etc/yum.repos.d/)
350 cat $yum_conf_repos >> $yum_conf
352 # If we are being built as part of an automated RPM build, solve the
353 # bootstrap problem by including any just built packages in the yum
354 # configuration. This cooperates with the PlanetLab build system.
355 if [ -n "$RPM_BUILD_DIR" ] ; then
356 RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
357 # If run under sudo, allow user to delete the headers/ and
358 # repodata/ directories.
359 if [ -n "$SUDO_USER" ] ; then
360 chown -R $SUDO_USER $RPM_RPMS_DIR
362 cat >> $yum_conf <<EOF
365 name=Building - $basearch - $RPM_RPMS_DIR/
366 baseurl=file://$RPM_RPMS_DIR/
370 echo "========== Dumping $yum_conf"
372 echo "========== EndDump $yum_conf"
375 # yum --help | grep verbose &> /dev/null && yum_options="$yum_options --verbose"
376 yum_options="$yum_options -y"
377 yum_options="$yum_options -c $yum_conf"
378 yum_options="$yum_options --installroot=$vroot"
380 # glibc must be specified explicitly for the correct arch to be
382 echo "* Installing glibc"
383 # ignore yum's return code that is basically undefined
384 yum $yum_options install glibc || :
387 if [ -n "$pkgs_packages" ] ; then
388 echo "* Installing optional packages" $pkgs_packages
389 # ignore yum's return code that is basically undefined
390 echo "* Install options" $vroot $yum_options
391 yum $yum_options install $pkgs_packages || :
392 if ! rpm --root $vroot -q $pkgs_packages >/dev/null ; then
393 echo "* Warning: Missing packages"
394 rpm --root $vroot -q $pkgs_packages | grep "not installed"
398 if [ -n "$pkgs_groups" ] ; then
399 ## call yum sequentially to get finer-grained info on dependencies
400 for group_plus in $pkgs_groups ; do
401 group=$(echo $group_plus | sed -e "s,+++, ,g")
402 echo "* Installing optional group $group"
403 # ignore yum's return code that is basically undefined
404 yum $yum_options groupinstall "$group" || :
408 # formerly in bootcd/prep.sh : to optimize footprint
409 if [ -n "$pkgs_junk" ] ; then
410 echo "* Removing unnecessary junk"
412 # Save precious files
413 [ -n "$pkgs_precious" ] && tar --ignore-failed-read -cpf precious.tar $pkgs_precious
414 # Remove unnecessary junk
415 [ -n "$pkgs_junk" ] && rm -rf $pkgs_junk
416 # Restore precious files
417 [ -n "$pkgs_precious" ] && tar -xpf precious.tar && rm -f precious.tar
424 # NOTE: this hack is for Fedora >= 12.
425 # if kernel-debug is installed, clean it up
426 # we link to our version of kernel/initrd and clean up
427 # kernel-debug manually
428 if rpm --root $vroot --quiet -q kernel-debug ; then
429 echo "* Cleaning up kernel-debug - (workaround for f12)"
431 rm -rf kernel-boot kernel-bootsmp initrd-boot initrd-bootsmp
432 ln -s vmlinuz-*${pldistro}* kernel-boot
433 ln -s vmlinuz-*${pldistro}* kernel-bootsmp
434 ln -s initrd-*${pldistro}* initrd-boot
435 ln -s initrd-*${pldistro}* initrd-bootsmp
436 rpm --root $vroot --nodeps -e kernel-debug || :
440 # ignore yum's return code that is basically undefined
441 yum $yum_options clean all || :
444 rm -f $vroot/var/lib/rpm/__db*
446 # Set time zone to UTC
447 if [ -f $vroot/usr/share/zoneinfo/UTC -a -f $vroot/etc/localtime ] ; then
448 rm -f $vroot/etc/localtime
449 ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
452 echo "Dumping current list of rpms in /etc/mkfedora-rpms.txt"
453 chroot $vroot rpm -aq | sort > $vroot/etc/mkfedora-rpms.txt
455 # remove trap handler, as we are about to call it directly.
464 function pl_root_tune_image () {
467 # Disable all services in reference image
468 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
470 # FC2 minilogd starts up during shutdown and makes unmounting
471 # impossible. Just get rid of it.
472 rm -f $root/sbin/minilogd
473 ln -nsf /bin/true $root/sbin/minilogd
475 # This tells the Boot Manager that it is okay to update
476 # /etc/resolv.conf and /etc/hosts whenever the network configuration
477 # changes. Users are free to delete this file.
478 touch $root/etc/AUTO_UPDATE_NET_FILES
481 # Move specified directories out of a src tree into a dst tree, and
482 # then for each moved directory create a symlink in src to dst.
483 function pl_move_dirs() {
490 for datadir in "$@" ; do
491 mkdir -p ${data}${datadir}
492 if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
493 (cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
495 rm -rf ${root}/${datadir}
496 mkdir -p $(dirname ${root}/${datadir})
497 ln -nsf ${store}/${datadir} ${root}/${datadir}
501 # Construct an image file from given some directory
502 # XXX in the future maybe use livecdtools?
503 function pl_make_image() {
508 # Leave about 100 MB free space and allow for about 20% inode overhead
509 bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
511 blocks=$(($bytes / $bs))
512 dd bs=$bs count=$blocks if=/dev/zero of=$image
513 mkfs.ext3 -b $bs -j -F $image
515 # Temporarily mount it
516 tmp=$(mktemp -d tmp.XXXXXX)
517 mount -o loop $image $tmp
518 trap "umount $tmp; rmdir $tmp" ERR INT
521 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
529 # Fix permissions on tmp directories
530 function pl_fixtmp_permissions() {
532 chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
535 function pl_fixdirs() {
538 for datadir in datadirs ; do
539 if [ -h ${root}/${datadir} ] ; then
540 rm -f ${root}/${datadir}
541 mkdir -p ${root}/${datadir}
546 ########## .pkgs format
547 # Usage: pl_parsePkgs keyword [-a arch] fcdistro pldistro pkgs-file[..s]
548 # pkgs.py should be found in PATH, like this file build.common
549 function pl_parsePkgs () {
550 target_arch=$pl_DISTRO_ARCH
552 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
556 echo 1>&2 "pl_parsePkgs: using -a $target_arch -f $fcdistro -d $pldistro $keyword $@"
557 pkgs.py -a $target_arch -f $fcdistro -d $pldistro $keyword "$@"
559 # usage: pl_getPackages [-a arch] fcdistro pldistro pkg-file[..s]
560 function pl_getPackages() { pl_parsePkgs package "$@" ; }
561 function pl_getGroups() { pl_parsePkgs group "$@" ; }
563 ##############################
564 ### temporary - only for checking the new python version
565 # for a given keyword like 'package' :
566 # we support fcdistro-dependant format, for tokens (pkgname) without whitespace
568 # package: pkg1 .. pkgn
569 # package+f8: pkg1 .. pkgn
570 # package-f8: pkg1 .. pkgn
572 # values can contain @arch@, @fcdistro@ or @pldistro@ that are replaced with the current values
574 # the reason for the -a option is for when we build the build vserver itself; in this case
575 # pl_DISTRO_ARCH is the one we obtain from the root context, and that's wrong
576 # specify -sa arch AFTER keyword, so as to keep pl_getPackages and pl_getGroups simple
578 function pl_parsePkgs_old () {
580 target_arch=$pl_DISTRO_ARCH
582 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
585 # remaining arguments are paths to the pkgs files
587 # grab regular descriptions
588 all=$(grep -v '^#' "$@" | grep --regexp="^${keyword}:" | sed -e "s,${keyword}:,,")
590 add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}+${fcdistro}:,,")
592 sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}-${fcdistro}:" | sed -e "s,${keyword}-${fcdistro}:,,")
594 for rpm in $all $add; do
595 for exclude in $sub; do
596 [ "$rpm" = "$exclude" ] && continue 2
598 echo "${rpm} " | sed -e "s,@arch@,${target_arch},g" -e "s,@fcdistro@,$fcdistro,g" -e "s,@pldistro@,$pldistro,g"
602 ##############################
604 # locates a pldistro-dependant file
605 # tries first in build/<pldistro>/, then in build/planetlab/
606 function pl_locateDistroFile () {
612 # if config dir is missing but a .svnpath or a .gitpath exists, use it to extract the config dir
613 configdir="$builddir/config.${pldistro}"
614 if [ ! -d $configdir ] ; then
615 if [ -f "${configdir}.svnpath" -o -f "${configdir}.gitpath" ] ; then
616 echo 1>&2 "Invoking make to extract remote config.${pldistro}"
617 make 1>&2 --silent --no-print-directory -C $builddir stage1=true config.${pldistro}
621 paths="$builddir/config.$pldistro/$pkgsfile $builddir/config.planetlab/$pkgsfile"
622 for path in $paths; do
623 if [ -f $path ] ; then
628 if [ -z "$pkgspath" ] ; then
629 echo 1>&2 "pl_locateDistroFile - in $(pwd) : cannot locate $pkgsfile in $builddir"
630 echo 1>&2 "candidates were $paths"
631 echo "not-found-by-pl_locateDistroFile"
634 echo 1>&2 "pl_locateDistroFile: using $pkgspath"
640 function yumgroups_from_pkgs () {
646 sedargs="-e s,@FCDISTRO@,$fcdistro,g"
649 <?xml version="1.0"?>
650 <!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
654 for pkgsname in $pkgsnames; do
655 pkgsfile=$(pl_locateDistroFile $builddir $pldistro $pkgsname)
656 packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
658 groupname=$(pkgs.py groupname $pkgsfile | sed $sedargs)
659 groupdesc=$(pkgs.py groupdesc $pkgsfile | sed $sedargs)
661 if [ -z "$groupname" -o -z "$groupdesc" ] ; then
662 echo "Cannot find groupname: and groupdesc: in $pkgsfile -- skipped" 1>&2
666 cat << __group_header
668 <id>$(echo $groupname|tr A-Z a-z)</id>
669 <name>$groupname</name>
670 <description>$groupdesc</description>
671 <uservisible>true</uservisible>
674 for package in $packages; do
675 echo "<packagereq type=\"mandatory\">$package</packagereq>"
677 cat << __group_footer
688 function build_fetch () {
689 curl --fail --silent --max-time 60 --output /dev/null "$1"
692 # tries to compute a valid yum.conf for that pldistro from the template in mirroring/
693 # returns 0 and writes <dest_yumconf> on success
694 # returns 1 on failure, in which case <dest_yumconf> is deleted
695 function yumconf_mirrors () {
696 dest_yumconf=$1; shift
699 yumexclude_line="$1" ; shift
702 template=$builddir/mirroring/$fcdistro/yum.repos.d/building.repo.in
704 if [ ! -f $template ] ; then
705 echo "yumconf_mirrors: cannot locate template $template"
710 for mirror in $mirrors; do
711 if yumconf_mirror $dest_yumconf $template "$yumexclude_line" $mirror; then
715 echo 'yumconf_mirrors in build.common : ran out of mirrors -- BAILING OUT'
720 # computes a yum.conf from the template, and checks that all baseurl defined in there are valid repos
721 # returns 0 on success and 1 on failure
722 function yumconf_mirror () {
723 dest_yumconf=$1; shift
725 yumexclude_line="$1" ; shift
728 sed -e "s,@MIRRORURL@,$mirror,g" \
730 $yumexclude_line" $template > $dest_yumconf
732 # capture all lines defining baseurl
733 baseurl_defs=$(grep '^baseurl=' $dest_yumconf)
734 if [ -z "$baseurl_defs" ] ; then
738 for baseurl_def in $baseurl_defs; do
739 baseurl=$(echo $baseurl_def | sed \
741 -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
742 repomd=$baseurl/repodata/repomd.xml
744 echo "* Trying to fetch $repomd"
745 if ! build_fetch $repomd ; then
746 echo "* Failed to fetch $repomd"
750 echo "* Selected mirror $mirror"
754 # from a yum.conf as generated above, computes the gpgkey urls
755 function yumconf_gpgkey () {
756 dest_yumconf=$1; shift
758 values=$(grep -h '^gpgkey=' $dest_yumconf | sed -e s,gpgkey=,, | sed -e 's,$basearch,'"$pl_DISTRO_ARCH",g | sed -e 's, ,\n,g' | sort | uniq | xargs)
759 [ -n "$values" ] || return 1
764 # patches a yum conf to insert an exclude line in each declared repo
765 function yumconf_exclude () {
767 yumexclude_line="$1" ; shift
769 sed -i -e "/#baseurl=.*$/i\\
770 $yumexclude_line" $repo