$ git clone -n https://src.fedoraproject.org/rpms/python-timeunit.git /var/lib/mock/f39-build-1426455-31596/root/chroot_tmpdir/scmroot/python-timeunit
Cloning into '/var/lib/mock/f39-build-1426455-31596/root/chroot_tmpdir/scmroot/python-timeunit'...
$ git fetch origin 75b8e5bde3a873a4d9b5e78b70b51cdf1edd1768:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-timeunit
 * [new ref]         75b8e5bde3a873a4d9b5e78b70b51cdf1edd1768 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75b8e5b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild