$ git clone -n https://src.fedoraproject.org/rpms/coin.git /var/lib/mock/f41-build-1642458-24166/root/chroot_tmpdir/scmroot/coin
Cloning into '/var/lib/mock/f41-build-1642458-24166/root/chroot_tmpdir/scmroot/coin'...
$ git fetch origin a33d6c39d60cc935b6a3506e79d74d93a1bb57bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin
 * [new ref]         a33d6c39d60cc935b6a3506e79d74d93a1bb57bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a33d6c3 Abandonware