$ git clone -n https://src.fedoraproject.org/rpms/mingw-python-ephem.git /var/lib/mock/f39-build-1596569-38384/root/chroot_tmpdir/scmroot/mingw-python-ephem
Cloning into '/var/lib/mock/f39-build-1596569-38384/root/chroot_tmpdir/scmroot/mingw-python-ephem'...
$ git fetch origin 5a11ba38426a699e13cea8207a330a3055839261:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-python-ephem
 * [new ref]         5a11ba38426a699e13cea8207a330a3055839261 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a11ba3 Update to 4.1.4