#!/bin/bash

SRCDIR=/home/shared/RedHat
YUMDIR=/home/shared/yum
DISTS="centos4_64_os centos4_64_updates centos4_64_extra centos4_os centos4_updates centos4_extra centos3_os centos3_updates fedora4_os fedora4_updates fedora4_extra fedora6_os fedora6_updates fedora6_extra"

dist="$1"

function link_dir () {
    local src="$1" dst="$2";
    if [ -d $1 ]; then
	/bin/rm -rfv "$dst"
	/bin/mkdir "$dst"
	/usr/bin/find "$src" -type f -name '*rpm' -exec /bin/ln -s {} "$dst" \;
    else
	/bin/ln -s "$src" "$dst"
    fi
}

case "$dist" in
    centos4_64_os)
	mkdir -p $YUMDIR/centos/4/x86_64/RPMS
	link_dir $SRCDIR/centos/4/x86_64/os/CentOS/RPMS $YUMDIR/centos/4/x86_64/RPMS
	/usr/bin/createrepo $YUMDIR/centos/4/x86_64/RPMS
	;;
    centos4_64_updates)
	mkdir -p $YUMDIR/centos/updates/4/x86_64/RPMS
	link_dir $SRCDIR/updates/centos4/x86_64/RPMS $YUMDIR/centos/updates/4/x86_64/RPMS
	/usr/bin/createrepo $YUMDIR/centos/updates/4/x86_64/RPMS
	;;
    centos4_64_extra)
	mkdir -p $YUMDIR/centos/extra/4/x86_64/RPMS
	link_dir $SRCDIR/extra/centos4/x86_64 $YUMDIR/centos/extra/4/x86_64/RPMS
	/usr/bin/createrepo $YUMDIR/centos/extra/4/x86_64/RPMS
	;;
    centos4_os)
	mkdir -p $YUMDIR/centos/4/i386/RPMS
	link_dir $SRCDIR/centos/4/i386/CentOS/RPMS $YUMDIR/centos/4/i386/RPMS
	# don't update squid; IBN has its own version
	/bin/rm -fv $YUMDIR/centos/4/i386/RPMS/squid*
	/usr/bin/createrepo $YUMDIR/centos/4/i386
	;;
    centos4_updates)
	mkdir -p $YUMDIR/centos/updates/4/i386/RPMS
	link_dir $SRCDIR/updates/centos4/i386/RPMS $YUMDIR/centos/updates/4/i386/RPMS
	# don't update squid; IBN has its own version
	/bin/rm -fv $YUMDIR/centos/updates/4/i386/RPMS/squid*
	/usr/bin/createrepo $YUMDIR/centos/updates/4/i386
	;;
    centos4_extra)
	mkdir -p $YUMDIR/centos/extra/4/i386/RPMS
	link_dir $SRCDIR/extra/centos4/i386 $YUMDIR/centos/extra/4/i386/RPMS
	/usr/bin/createrepo $YUMDIR/centos/extra/4/i386/RPMS
	;;
    centos3_os)
	mkdir -p $YUMDIR/centos/3/i386/RPMS
	link_dir $SRCDIR/centos/3/i386/RedHat/RPMS $YUMDIR/centos/3/i386/RPMS
	/usr/bin/createrepo $YUMDIR/centos/3/i386
	/usr/bin/yum-arch -l $YUMDIR/centos/3/i386
	;;
    centos3_updates)
	mkdir -p $YUMDIR/centos/updates/3/i386/RPMS
	link_dir $SRCDIR/updates/centos3/i386/RPMS $YUMDIR/centos/updates/3/i386/RPMS
	/usr/bin/createrepo $YUMDIR/centos/updates/3/i386
	/usr/bin/yum-arch -l $YUMDIR/centos/updates/3/i386
	;;
    fedora4_os)
	mkdir -p $YUMDIR/fedora/4/i386/RPMS
	link_dir $SRCDIR/fedora/core/4/i386/os/Fedora/RPMS $YUMDIR/fedora/4/i386/RPMS
	/usr/bin/createrepo $YUMDIR/fedora/4/i386
	;;
    fedora4_updates)
	mkdir -p $YUMDIR/fedora/updates/4/i386/RPMS
	link_dir $SRCDIR/updates/fedora/core/updates/4/i386 $YUMDIR/fedora/updates/4/i386/RPMS
	/usr/bin/createrepo $YUMDIR/fedora/updates/4/i386
	;;
    fedora4_extra)
	mkdir -p $YUMDIR/extra/fedora/core/4/i386/RPMS
	link_dir $SRCDIR/extra/fedora/core/4/i386 $YUMDIR/extra/fedora/core/4/i386/RPMS
	/usr/bin/createrepo $YUMDIR/extra/fedora/core/4/i386
	;;
    fedora6_os)
	mkdir -p $YUMDIR/fedora/6/i386/RPMS
	link_dir $SRCDIR/fedora/core/6/i386/os/Fedora/RPMS $YUMDIR/fedora/6/i386/RPMS
	/usr/bin/createrepo $YUMDIR/fedora/6/i386
	;;
    fedora6_updates)
	mkdir -p $YUMDIR/fedora/updates/6/i386/RPMS
	link_dir $SRCDIR/updates/fedora/core/6/i386 $YUMDIR/fedora/updates/6/i386/RPMS
	/usr/bin/createrepo $YUMDIR/fedora/updates/6/i386
	;;
    fedora6_extra)
	mkdir -p $YUMDIR/extra/fedora/core/6/i386/RPMS
	link_dir $SRCDIR/extra/fedora/core/6/i386 $YUMDIR/extra/fedora/core/6/i386/RPMS
	/usr/bin/createrepo $YUMDIR/extra/fedora/core/6/i386
	;;
    *)
	echo Select your destiny:
	for repo in $DISTS; do
	    echo "    $repo"
	done
esac