$ git clone -n https://src.fedoraproject.org/rpms/PyYAML.git /var/lib/mock/f40-build-2204663-51968/root/chroot_tmpdir/scmroot/PyYAML
Cloning into '/var/lib/mock/f40-build-2204663-51968/root/chroot_tmpdir/scmroot/PyYAML'...
$ git fetch origin bcfb1cb86e72a8aeeb5f104b994cbaf695232f81:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PyYAML
 * [new ref]         bcfb1cb86e72a8aeeb5f104b994cbaf695232f81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcfb1cb Declare the license as an SPDX expression