$ git clone -n https://src.fedoraproject.org/rpms/python-blurhash.git /var/lib/mock/f45-build-29823-641/root/chroot_tmpdir/scmroot/python-blurhash
Cloning into '/var/lib/mock/f45-build-29823-641/root/chroot_tmpdir/scmroot/python-blurhash'...
$ git fetch origin 4921ed713e1414ac8145ec2c825eb3f396176a79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-blurhash
 * [new ref]         4921ed713e1414ac8145ec2c825eb3f396176a79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4921ed7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild