$ git clone -n https://src.fedoraproject.org/rpms/python-pdir2.git /var/lib/mock/f41-build-side-2-python-2730328-30809/root/chroot_tmpdir/scmroot/python-pdir2
Cloning into '/var/lib/mock/f41-build-side-2-python-2730328-30809/root/chroot_tmpdir/scmroot/python-pdir2'...
$ git fetch origin 23fecaae42bc614956cec8eff8eb096826793e83:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pdir2
 * [new ref]         23fecaae42bc614956cec8eff8eb096826793e83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23fecaa - Update to 1.1.0