$ git clone -n https://src.fedoraproject.org/rpms/squeekboard.git /var/lib/mock/f41-build-side-1-2816672-32973/root/chroot_tmpdir/scmroot/squeekboard
Cloning into '/var/lib/mock/f41-build-side-1-2816672-32973/root/chroot_tmpdir/scmroot/squeekboard'...
$ git fetch origin ec307dfdb8756c0b1d88e7bd019b24528532040a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/squeekboard
 * [new ref]         ec307dfdb8756c0b1d88e7bd019b24528532040a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec307df Update to 1.41.0