$ git clone -n https://src.fedoraproject.org/rpms/python-pathvalidate.git /var/lib/mock/f41-build-side-2-python-2690614-30213/root/chroot_tmpdir/scmroot/python-pathvalidate
Cloning into '/var/lib/mock/f41-build-side-2-python-2690614-30213/root/chroot_tmpdir/scmroot/python-pathvalidate'...
$ git fetch origin 1a0245b449c291c26340571fd0123b27d56a081e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pathvalidate
 * [new ref]         1a0245b449c291c26340571fd0123b27d56a081e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a0245b Fixed the last %changelog