$ git clone -n https://src.fedoraproject.org/rpms/python-pyerfa.git /var/lib/mock/f39-build-1430670-31737/root/chroot_tmpdir/scmroot/python-pyerfa
Cloning into '/var/lib/mock/f39-build-1430670-31737/root/chroot_tmpdir/scmroot/python-pyerfa'...
$ git fetch origin 427bb147e9926bebe83489dedef2d544bb4ddee0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyerfa
 * [new ref]         427bb147e9926bebe83489dedef2d544bb4ddee0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 427bb14 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild