$ git clone -n https://src.fedoraproject.org/rpms/python-m2r.git /var/lib/mock/f39-build-1486996-34485/root/chroot_tmpdir/scmroot/python-m2r
Cloning into '/var/lib/mock/f39-build-1486996-34485/root/chroot_tmpdir/scmroot/python-m2r'...
$ git fetch origin 32941105fbc8cc6776cd53c84171a446560efce5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-m2r
 * [new ref]         32941105fbc8cc6776cd53c84171a446560efce5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3294110 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild