$ git clone -n https://src.fedoraproject.org/rpms/python-attrs.git /var/lib/mock/f39-build-1534398-36233/root/chroot_tmpdir/scmroot/python-attrs
Cloning into '/var/lib/mock/f39-build-1534398-36233/root/chroot_tmpdir/scmroot/python-attrs'...
$ git fetch origin 19c85d80696165755c5e6510b508c712bcbcdfad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-attrs
 * [new ref]         19c85d80696165755c5e6510b508c712bcbcdfad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19c85d8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild