$ git clone -n https://src.fedoraproject.org/rpms/cosmic-term.git /var/lib/mock/f45-build-39626-750/root/chroot_tmpdir/scmroot/cosmic-term
Cloning into '/var/lib/mock/f45-build-39626-750/root/chroot_tmpdir/scmroot/cosmic-term'...
$ git fetch origin b953f07aba5ab2c96d211089e76cadf8883adad6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cosmic-term
 * [new ref]         b953f07aba5ab2c96d211089e76cadf8883adad6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b953f07 Update to 1.6.0