$ git clone -n https://src.fedoraproject.org/rpms/memavaild.git /var/lib/mock/f41-build-1042218-18998/root/chroot_tmpdir/scmroot/memavaild
Cloning into '/var/lib/mock/f41-build-1042218-18998/root/chroot_tmpdir/scmroot/memavaild'...
$ git fetch origin d2ffeac6cf501f1527959eef65f155bb38580d47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/memavaild
 * [new ref]         d2ffeac6cf501f1527959eef65f155bb38580d47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2ffeac Abandonware