$ git clone -n https://src.fedoraproject.org/rpms/php53-simplepie.git /var/lib/mock/f38-build-side-42-init-devel-582379-26073/root/chroot_tmpdir/scmroot/php53-simplepie
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-582379-26073/root/chroot_tmpdir/scmroot/php53-simplepie'...
$ git fetch origin dd02815b7327e00fd62a171d4a26548768f0db5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php53-simplepie
 * [new ref]         dd02815b7327e00fd62a171d4a26548768f0db5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd02815 Initial setup of the repo