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build.common
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build.common
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# -*-Shell-script-*-
#
# Common functions for build scripts used by various packages
# incorporated (e.g., build, myplc, myplc-devel, vserver-reference)
#
# Marc E. Fiuczynski <[email protected]>
# Copyright (C) 2007 The Trustees of Princeton University
#
# supported distros f8, f10, f12, centos5
#
# for locating pkgs.py
export PATH=.:$PATH
# returns 'Fedora' or 'CentOS' for now
function pl_getDistro() {
if [ -f "/etc/redhat-release" ] ; then
distro=$(awk ' { print $1 } ' /etc/redhat-release)
case $distro in Scientific*) distro="SL" ; esac
else
echo "build.common.pl_getDistro-unknown"
exit 1
fi
echo "$distro"
return 0
}
# returns something like 8, 10, or 5.3
function pl_getRelease() {
if [ -f "/etc/redhat-release" ] ; then
release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 ; if ($1=="Scientific") print $4 } ' /etc/redhat-release)
else
echo "build.common.pl_getRelease-unknown"
exit 1
fi
# keep only the major number
echo "$release" | cut -d. -f1
return 0
}
# returns stuff for vserver, i.e. something like 'f8' or 'centos5'
function pl_getReleaseName () {
distro=$1; shift
release=$1; shift
case $distro in
[Ff]edora*)
releasename=f$release
;;
[Cc]entOS*)
old_IFS="$IFS"
IFS="."
set -- $release
IFS="$old_IFS"
releasename=centos$1
;;
[Ss]L*)
releasename=sl$release
;;
*)
releasename="unknown-name-for-${pl_DISTRO}-please-edit-build.common"
echo 1>&2 "build.common: WARNING - releasename not set for distro=$distro"
return 1
;;
esac
echo "$releasename"
return 0
}
# on fedora 8 or above, we use libnl from the stock repos
# on centos5 we build it locally
function pl_getKexcludes () {
distroname=$1; shift
case $distroname in
# when using k27, we need our own flavour of iproute
# for now we build only for k32, regardless of fcdistro
f8)
echo 'kernel* util-vserver* iptables iptables-ipv6 drupal' ;;
f*)
echo 'kernel* util-vserver* iptables iptables-ipv6 drupal' ;;
centos5)
echo 'kernel kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables drupal inotify-tools* libnl' ;;
sl*)
echo 'kernel kernel-debug kernel-debug-devel kernel-devel kernel-doc kernel-firmware kernel-headers iptables' ;;
*)
echo "pl_DISTRO_NAME=$pl_DISTRO_NAME not supported in getexcludes.sh" ; exit 1 ;;
esac
}
# figure out which redhat distro we are using (fedora, centos, redhat)
pl_DISTRO=$(pl_getDistro)
# select basearch of the host devel environment - protected for macos for local tests
pl_DISTRO_ARCH=$(uname -i 2>/dev/null|| echo unknownarch)
# the release number (plain number)
pl_DISTRO_RELEASE=$(pl_getRelease)
# the release name - for vserver build ...
pl_DISTRO_NAME=$(pl_getReleaseName $pl_DISTRO $pl_DISTRO_RELEASE)
# the packages to exclude
pl_KEXCLUDES=$(pl_getKexcludes $pl_DISTRO_NAME)
# get path to appropriate yumgroups.xml file
# Thierry: quick & dirty improvement
# this file is updated by the toplevel build, from the .pkgs files
pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
function pl_process_fedora_options () {
# Get options
shiftcount=0
while getopts "l:r:a:h" opt ; do
case $opt in
l)
pl_DISTRO_URL=$OPTARG
let shiftcount=$shiftcount+2
;;
r)
pl_DISTRO_RELEASE=$OPTARG
let shiftcount=$shiftcount+2
;;
a)
pl_DISTRO_ARCH=$OPTARG
let shiftcount=$shiftcount+2
;;
h|*)
echo "Usage: $0 [OPTION]..."
echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
echo "where distro can be either fedora, centos, or redhat"
echo " -h This message"
exit 1
;;
esac
done
return $shiftcount
}
######################################## handling a root image
function pl_root_rpm_macros () {
cat <<EOF
%_install_langs C:en_US:en
%_netsharedpath /proc:/dev/pts:/usr/share/info
%_excludedocs 1
%__file_context_path /dev/null
EOF
}
function pl_root_makedevs() {
vroot=$1
# Clean ${vroot}/dev, but only when ${vroot}!=""
[ -n $vroot ] && rm -rf $vroot/dev
mkdir -p $vroot/dev
mknod -m 666 $vroot/dev/null c 1 3
mknod -m 666 $vroot/dev/zero c 1 5
mknod -m 666 $vroot/dev/full c 1 7
mknod -m 644 $vroot/dev/random c 1 8
mknod -m 644 $vroot/dev/urandom c 1 9
mknod -m 666 $vroot/dev/tty c 5 0
mknod -m 666 $vroot/dev/ptmx c 5 2
# For bash command substitution
ln -nsf ../proc/self/fd $vroot/dev/fd
# For df and linuxconf
touch $vroot/dev/hdv1
# For pseudo ttys
mkdir -p $vroot/dev/pts
# (Might have to remove the following for vserver-reference.)
# for tmpfs mount
mkdir -p $vroot/dev/shm
# For TUN/TAP
mkdir -p $vroot/dev/net
mknod -m 600 $vroot/dev/net/tun c 10 200
# For mkinitrd (in case a kernel is being installed)
# As well as for loop back mounting within a vserver.
for i in $(seq 0 255) ; do
mknod -m 640 $vroot/dev/loop$i b 7 $i
done
}
function mkfedora_usage() {
echo "Usage: pl_root_mkfedora [OPTION]... basedir pldistro pkgsfile(s)"
echo " -l url Fedora mirror location."
echo " Defaults are searched in <pldistro>.mirrors"
echo " -v Be verbose"
echo " -h This message"
echo " target selection (defaults based on current build vserver)"
echo " -r release Fedora release number (default: $releasever)"
echo " -a arch Fedora architecture (default: $basearch)"
exit 1
}
function pl_root_mkfedora () {
echo "* Entering pl_root_mkfedora" "$@"
if [ $UID -ne 0 ] ; then
echo "Error: You must run this script as root."
exit 1
fi
# Verbosity
verbose=0
# Release and architecture to install : defaults to current vserver's settings or previously parsed fedora_options
releasever=$pl_DISTRO_RELEASE
basearch=$pl_DISTRO_ARCH
# Get options
while getopts "vh" opt ; do
case $opt in
v) verbose=1; set -x ;;
h|*) mkfedora_usage ;;
esac
done
shift $(($OPTIND - 1))
[[ "$#" -lt 3 ]] && mkfedora_usage
vroot=$1 ; shift
pldistro=$1 ; shift
pkgsfile="$@"
vroot=$(cd $vroot && pwd -P)
[ -d $vroot ] || mkfedora_usage
# parse pkgsfile and add to local vars
fcdistro=${pl_DISTRO_NAME}
pkgs_packages=$(pl_parsePkgs package $fcdistro $pldistro $pkgsfile)
pkgs_groups=$(pl_parsePkgs group $fcdistro $pldistro $pkgsfile)
# what can get trashed to save space
pkgs_junk=$(pl_parsePkgs junk $fcdistro $pldistro $pkgsfile)
# but not this
pkgs_precious=$(pl_parsePkgs precious $fcdistro $pldistro $pkgsfile)
# formerly related to mkfedora -k : packages to take from our own build
# and thus need be excluded frem the stock repos
pkgs_kexcludes=$(pl_parsePkgs kexclude $fcdistro $pldistro $pkgsfile | sed -e s,@KEXCLUDE@,"$pl_KEXCLUDES",)
# get mirrors if not specified with -l
if [ -z "$mirrors" ] ; then
mirrorsfile=$(pl_locateDistroFile ../build/ $pldistro "$pldistro.mirrors")
mirrors=$(pl_parsePkgs mirror $fcdistro $pldistro $mirrorsfile)
fi
kexclude_line=""
[ -n "$pkgs_kexcludes" ] && kexclude_line="exclude=$pkgs_kexcludes"
echo "$0: candidate mirrors"
for mirror in $mirrors ; do
echo "* candidate mirror $mirror"
done
# the repo part of the final yum.conf
yum_conf_repos=$vroot/xxxmkfedora-repos.confxxx
if ! yumconf_mirrors $yum_conf_repos ../build/ $fcdistro "$kexclude_line" $mirrors ; then
echo xxx -- error ; return 1
fi
# Do not tolerate errors
set -e
public_gpg_key=$(yumconf_gpgkey $yum_conf_repos)
## make rpms ignore installing stuff to special fs entries like /proc
# Because of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=52725
# you have to use at least one language beside 'C'
# Prevent all locales from being installed in reference image
mkdir -p $vroot/etc/rpm
pl_root_rpm_macros > $vroot/etc/rpm/macros
# Trick rpm and yum, who read the real root /etc/rpm/macros file
# rather than the one installed in the reference image, despite what
# you might expect the --root and --installroot options to mean. Both
# programs always read $HOME/.rpmmacros.
export HOME=$vroot/tmp
mkdir -p $vroot/tmp
pl_root_rpm_macros > $vroot/tmp/.rpmmacros
function mkfedora_cleanup () {
umount -l $vroot/proc
umount -l $vroot/dev/shm
umount -l $vroot/dev/pts
}
# Clean up before exiting if anything goes wrong
trap "mkfedora_cleanup" ERR INT
# Mount in reference image
mount -t devpts none $vroot/dev/pts
mount -t tmpfs none $vroot/dev/shm
mkdir -p $vroot/proc
mount -t proc none $vroot/proc
# Create a /var/lib dirs for yum & rpm
mkdir -p $vroot/var/lib/yum
mkdir -p $vroot/var/lib/rpm
mkdir -p $vroot/usr/share/info
# Create a dummy /etc/fstab in reference image
mkdir -p $vroot/etc
cat >$vroot/etc/fstab <<EOF
# This fake fstab exists only to please df and linuxconf.
/dev/hdv1 / ext2 defaults 1 1
EOF
cp $vroot/etc/fstab $vroot/etc/mtab
# Necessary for some scripts
mkdir -p $vroot/etc/sysconfig
echo "NETWORKING=yes" > $vroot/etc/sysconfig/network
# Initialize RPM database in reference image
mkdir -p $vroot/var/lib/rpm
rpm --root $vroot --initdb
rpm --root $vroot --import $public_gpg_key
# Initialize yum in reference image
mkdir -p $vroot/var/cache/yum $vroot/var/log
# yum.conf is for building only - store in different location than /etc/yum.conf
yum_conf=$vroot/etc/mkfedora-yum.conf
cat > $yum_conf <<EOF
[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
multilib_policy=best
distroverpkg=redhat-release
tolerant=1
exactarch=1
retries=20
obsoletes=1
gpgcheck=0
# Prevent yum-2.4 from loading additional repository definitions
# (e.g., from /etc/yum.repos.d/)
reposdir=/dev/null
EOF
cat $yum_conf_repos >> $yum_conf
# If we are being built as part of an automated RPM build, solve the
# bootstrap problem by including any just built packages in the yum
# configuration. This cooperates with the PlanetLab build system.
if [ -n "$RPM_BUILD_DIR" ] ; then
RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
# If run under sudo, allow user to delete the headers/ and
# repodata/ directories.
if [ -n "$SUDO_USER" ] ; then
chown -R $SUDO_USER $RPM_RPMS_DIR
fi
cat >> $yum_conf <<EOF
[building]
name=Building - $basearch - $RPM_RPMS_DIR/
baseurl=file://$RPM_RPMS_DIR/
EOF
fi
echo "========== Dumping $yum_conf"
cat $yum_conf
echo "========== EndDump $yum_conf"
yum_options=""
# yum --help | grep verbose &> /dev/null && yum_options="$yum_options --verbose"
yum_options="$yum_options -y"
yum_options="$yum_options -c $yum_conf"
yum_options="$yum_options --installroot=$vroot"
# glibc must be specified explicitly for the correct arch to be
# chosen.
echo "* Installing glibc"
# ignore yum's return code that is basically undefined
yum $yum_options install glibc || :
# Go, baby, go
if [ -n "$pkgs_packages" ] ; then
echo "* Installing optional packages" $pkgs_packages
# ignore yum's return code that is basically undefined
echo "* Install options" $vroot $yum_options
yum $yum_options install $pkgs_packages || :
if ! rpm --root $vroot -q $pkgs_packages >/dev/null ; then
echo "* Warning: Missing packages"
rpm --root $vroot -q $pkgs_packages | grep "not installed"
fi
fi
if [ -n "$pkgs_groups" ] ; then
## call yum sequentially to get finer-grained info on dependencies
for group_plus in $pkgs_groups ; do
group=$(echo $group_plus | sed -e "s,+++, ,g")
echo "* Installing optional group $group"
# ignore yum's return code that is basically undefined
yum $yum_options groupinstall "$group" || :
done
fi
# formerly in bootcd/prep.sh : to optimize footprint
if [ -n "$pkgs_junk" ] ; then
echo "* Removing unnecessary junk"
pushd $vroot
# Save precious files
[ -n "$pkgs_precious" ] && tar --ignore-failed-read -cpf precious.tar $pkgs_precious
# Remove unnecessary junk
[ -n "$pkgs_junk" ] && rm -rf $pkgs_junk
# Restore precious files
[ -n "$pkgs_precious" ] && tar -xpf precious.tar && rm -f precious.tar
popd
fi
# Clean yum cache
echo "* Cleaning up"
# NOTE: this hack is for Fedora >= 12.
# if kernel-debug is installed, clean it up
# we link to our version of kernel/initrd and clean up
# kernel-debug manually
if rpm --root $vroot --quiet -q kernel-debug ; then
echo "* Cleaning up kernel-debug - (workaround for f12)"
pushd $vroot/boot/
rm -rf kernel-boot kernel-bootsmp initrd-boot initrd-bootsmp
ln -s vmlinuz-*${pldistro}* kernel-boot
ln -s vmlinuz-*${pldistro}* kernel-bootsmp
ln -s initrd-*${pldistro}* initrd-boot
ln -s initrd-*${pldistro}* initrd-bootsmp
rpm --root $vroot --nodeps -e kernel-debug || :
popd
fi
# ignore yum's return code that is basically undefined
yum $yum_options clean all || :
# Clean RPM state
rm -f $vroot/var/lib/rpm/__db*
# Set time zone to UTC
if [ -f $vroot/usr/share/zoneinfo/UTC -a -f $vroot/etc/localtime ] ; then
rm -f $vroot/etc/localtime
ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
fi
echo "Dumping current list of rpms in /etc/mkfedora-rpms.txt"
chroot $vroot rpm -aq | sort > $vroot/etc/mkfedora-rpms.txt
# remove trap handler, as we are about to call it directly.
trap - ERR INT
# Clean up
mkfedora_cleanup
return 0
}
function pl_root_tune_image () {
root=$1; shift
# Disable all services in reference image
chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
# FC2 minilogd starts up during shutdown and makes unmounting
# impossible. Just get rid of it.
rm -f $root/sbin/minilogd
ln -nsf /bin/true $root/sbin/minilogd
# This tells the Boot Manager that it is okay to update
# /etc/resolv.conf and /etc/hosts whenever the network configuration
# changes. Users are free to delete this file.
touch $root/etc/AUTO_UPDATE_NET_FILES
}
# Move specified directories out of a src tree into a dst tree, and
# then for each moved directory create a symlink in src to dst.
function pl_move_dirs() {
root=$1
data=$2
store=$3
shift 3
mkdir -p $root/data
for datadir in "$@" ; do
mkdir -p ${data}${datadir}
if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
(cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
fi
rm -rf ${root}/${datadir}
mkdir -p $(dirname ${root}/${datadir})
ln -nsf ${store}/${datadir} ${root}/${datadir}
done
}
# Construct an image file from given some directory
# XXX in the future maybe use livecdtools?
function pl_make_image() {
root=$1
image=$2
extraspace=$3
# Leave about 100 MB free space and allow for about 20% inode overhead
bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
bs=4096
blocks=$(($bytes / $bs))
dd bs=$bs count=$blocks if=/dev/zero of=$image
mkfs.ext3 -b $bs -j -F $image
# Temporarily mount it
tmp=$(mktemp -d tmp.XXXXXX)
mount -o loop $image $tmp
trap "umount $tmp; rmdir $tmp" ERR INT
# Move files to it
(cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
# Unmount it
umount $tmp
rmdir $tmp
trap - ERR INT
}
# Fix permissions on tmp directories
function pl_fixtmp_permissions() {
root=$1
chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
}
function pl_fixdirs() {
root=$1
datadirs=$2
for datadir in datadirs ; do
if [ -h ${root}/${datadir} ] ; then
rm -f ${root}/${datadir}
mkdir -p ${root}/${datadir}
fi
done
}
########## .pkgs format
# Usage: pl_parsePkgs keyword [-a arch] fcdistro pldistro pkgs-file[..s]
# pkgs.py should be found in PATH, like this file build.common
function pl_parsePkgs () {
target_arch=$pl_DISTRO_ARCH
keyword=$1;shift
[ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
fcdistro=$1; shift
pldistro=$1; shift
echo 1>&2 "pl_parsePkgs: using -a $target_arch -f $fcdistro -d $pldistro $keyword $@"
pkgs.py -a $target_arch -f $fcdistro -d $pldistro $keyword "$@"
}
# usage: pl_getPackages [-a arch] fcdistro pldistro pkg-file[..s]
function pl_getPackages() { pl_parsePkgs package "$@" ; }
function pl_getGroups() { pl_parsePkgs group "$@" ; }
##############################
### temporary - only for checking the new python version
# for a given keyword like 'package' :
# we support fcdistro-dependant format, for tokens (pkgname) without whitespace
# you can e.g. use
# package: pkg1 .. pkgn
# package+f8: pkg1 .. pkgn
# package-f8: pkg1 .. pkgn
#
# values can contain @arch@, @fcdistro@ or @pldistro@ that are replaced with the current values
#
# the reason for the -a option is for when we build the build vserver itself; in this case
# pl_DISTRO_ARCH is the one we obtain from the root context, and that's wrong
# specify -sa arch AFTER keyword, so as to keep pl_getPackages and pl_getGroups simple
#
function pl_parsePkgs_old () {
target_arch=$pl_DISTRO_ARCH
keyword=$1;shift
[ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
fcdistro=$1; shift
pldistro=$1; shift
# remaining arguments are paths to the pkgs files
# grab regular descriptions
all=$(grep -v '^#' "$@" | grep --regexp="^${keyword}:" | sed -e "s,${keyword}:,,")
# grab additions
add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}+${fcdistro}:,,")
# grab exclusions
sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}-${fcdistro}:" | sed -e "s,${keyword}-${fcdistro}:,,")
for rpm in $all $add; do
for exclude in $sub; do
[ "$rpm" = "$exclude" ] && continue 2
done
echo "${rpm} " | sed -e "s,@arch@,${target_arch},g" -e "s,@fcdistro@,$fcdistro,g" -e "s,@pldistro@,$pldistro,g"
done
return 0
}
##############################
# locates a pldistro-dependant file
# tries first in build/<pldistro>/, then in build/planetlab/
function pl_locateDistroFile () {
builddir=$1; shift
pldistro=$1; shift
pkgsfile=$1; shift
pkgspath=""
# if config dir is missing but a .svnpath or a .gitpath exists, use it to extract the config dir
configdir="$builddir/config.${pldistro}"
if [ ! -d $configdir ] ; then
if [ -f "${configdir}.svnpath" -o -f "${configdir}.gitpath" ] ; then
echo 1>&2 "Invoking make to extract remote config.${pldistro}"
make 1>&2 --silent --no-print-directory -C $builddir stage1=true config.${pldistro}
fi
fi
# locate it
paths="$builddir/config.$pldistro/$pkgsfile $builddir/config.planetlab/$pkgsfile"
for path in $paths; do
if [ -f $path ] ; then
pkgspath=$path
break
fi
done
if [ -z "$pkgspath" ] ; then
echo 1>&2 "pl_locateDistroFile - in $(pwd) : cannot locate $pkgsfile in $builddir"
echo 1>&2 "candidates were $paths"
echo "not-found-by-pl_locateDistroFile"
return 1
else
echo 1>&2 "pl_locateDistroFile: using $pkgspath"
echo $pkgspath
return 0
fi
}
function yumgroups_from_pkgs () {
builddir=$1; shift
pldistro=$1; shift
fcdistro=$1; shift
pkgsnames=$@
sedargs="-e s,@FCDISTRO@,$fcdistro,g"
cat <<__header
<?xml version="1.0"?>
<!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
<comps>
__header
for pkgsname in $pkgsnames; do
pkgsfile=$(pl_locateDistroFile $builddir $pldistro $pkgsname)
packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
groupname=$(pkgs.py groupname $pkgsfile | sed $sedargs)
groupdesc=$(pkgs.py groupdesc $pkgsfile | sed $sedargs)
if [ -z "$groupname" -o -z "$groupdesc" ] ; then
echo "Cannot find groupname: and groupdesc: in $pkgsfile -- skipped" 1>&2
continue
fi
cat << __group_header
<group>
<id>$(echo $groupname|tr A-Z a-z)</id>
<name>$groupname</name>
<description>$groupdesc</description>
<uservisible>true</uservisible>
<packagelist>
__group_header
for package in $packages; do
echo "<packagereq type=\"mandatory\">$package</packagereq>"
done
cat << __group_footer
</packagelist>
</group>
__group_footer
done
cat <<__footer
</comps>
__footer
}
function build_fetch () {
curl --fail --silent --max-time 60 --output /dev/null "$1"
}
# tries to compute a valid yum.conf for that pldistro from the template in mirroring/
# returns 0 and writes <dest_yumconf> on success
# returns 1 on failure, in which case <dest_yumconf> is deleted
function yumconf_mirrors () {
dest_yumconf=$1; shift
builddir=$1; shift
fcdistro=$1; shift
kexclude_line="$1" ; shift
mirrors="$@"
template=$builddir/mirroring/$fcdistro/yum.repos.d/building.repo.in
if [ ! -f $template ] ; then
echo "yumconf_mirrors: cannot locate template $template"
rm -f $dest_yumconf
return 1
fi
for mirror in $mirrors; do
if yumconf_mirror $dest_yumconf $template "$kexclude_line" $mirror; then
return 0
fi
done
echo 'yumconf_mirrors in build.common : ran out of mirrors -- BAILING OUT'
rm -f $dest_yumconf
return 1
}
# computes a yum.conf from the template, and checks that all baseurl defined in there are valid repos
# returns 0 on success and 1 on failure
function yumconf_mirror () {
dest_yumconf=$1; shift
template=$1; shift
kexclude_line="$1" ; shift
mirror=$1; shift
sed -e "s,@MIRRORURL@,$mirror,g" \
-e "/baseurl=/i\\
$kexclude_line" $template > $dest_yumconf
# capture all lines defining baseurl
baseurl_defs=$(grep '^baseurl=' $dest_yumconf)
if [ -z "$baseurl_defs" ] ; then
return 1
fi
for baseurl_def in $baseurl_defs; do
baseurl=$(echo $baseurl_def | sed \
-e s,baseurl=,, \
-e 's,$basearch,'"$pl_DISTRO_ARCH",g)
repomd=$baseurl/repodata/repomd.xml
echo "* Trying to fetch $repomd"
if ! build_fetch $repomd ; then
echo "* Failed to fetch $repomd"
return 1
fi
done
echo "* Selected mirror $mirror"
return 0
}
# from a yum.conf as generated above, computes the gpgkey urls
function yumconf_gpgkey () {
dest_yumconf=$1; shift
values=$(grep -h '^gpgkey=' $dest_yumconf | sed -e s,gpgkey=,, | sed -e 's,$basearch,'"$pl_DISTRO_ARCH",g | sed -e 's, ,\n,g' | sort | uniq | xargs)
[ -n "$values" ] || return 1
echo $values
return 0
}
# patches a yum conf to insert an exclude line in each declared repo
function yumconf_exclude () {
repo=$1; shift
kexclude_line="$1" ; shift
sed -i -e "/#baseurl=.*$/i\\
$kexclude_line" $repo
}