$ git clone -n https://src.fedoraproject.org/rpms/python-re-assert.git /var/lib/mock/f45-build-32718-661/root/chroot_tmpdir/scmroot/python-re-assert
Cloning into '/var/lib/mock/f45-build-32718-661/root/chroot_tmpdir/scmroot/python-re-assert'...
$ git fetch origin 10a85c82e23d2287e5e491bf011c5408a425cdc3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-re-assert
 * [new ref]         10a85c82e23d2287e5e491bf011c5408a425cdc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10a85c8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild