+
+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
+ yumexclude_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 $template "$yumexclude_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
+ yumexclude_line="$1" ; shift
+ mirror=$1; shift
+
+ sed -e "s,@MIRRORURL@,$mirror,g" \
+ -e "/baseurl=/i\\
+$yumexclude_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
+ yumexclude_line="$1" ; shift
+
+ sed -i -e "/#baseurl=.*$/i\\
+$yumexclude_line" $repo
+}
+