$ git clone -n https://src.fedoraproject.org/rpms/php-maxminddb.git /var/lib/mock/f42-build-862732-171084/root/chroot_tmpdir/scmroot/php-maxminddb
Cloning into '/var/lib/mock/f42-build-862732-171084/root/chroot_tmpdir/scmroot/php-maxminddb'...
$ git fetch origin 98b460f37c635ce3516025f85a773ffacfc61e64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-maxminddb
 * [new ref]         98b460f37c635ce3516025f85a773ffacfc61e64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98b460f v1.12.0