$ git clone -n https://src.fedoraproject.org/rpms/python-glymur.git /var/lib/mock/f39-build-1989742-43357/root/chroot_tmpdir/scmroot/python-glymur
Cloning into '/var/lib/mock/f39-build-1989742-43357/root/chroot_tmpdir/scmroot/python-glymur'...
$ git fetch origin 68068c5fff99a83e8bed9d5b77352c56c0e67afd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-glymur
 * [new ref]         68068c5fff99a83e8bed9d5b77352c56c0e67afd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68068c5 Fix oversights in the 0.12.9 release process (close RHBZ#2251615)