$ git clone -n https://src.fedoraproject.org/rpms/python-epc.git /var/lib/mock/f39-build-1618288-38656/root/chroot_tmpdir/scmroot/python-epc
Cloning into '/var/lib/mock/f39-build-1618288-38656/root/chroot_tmpdir/scmroot/python-epc'...
$ git fetch origin 32e9bba2b0d601aae64e255b181d72b47ee2cdf0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-epc
 * [new ref]         32e9bba2b0d601aae64e255b181d72b47ee2cdf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32e9bba Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild