$ git clone -n https://src.fedoraproject.org/rpms/cfitsio.git /var/lib/mock/f41-build-858274-168337/root/chroot_tmpdir/scmroot/cfitsio
Cloning into '/var/lib/mock/f41-build-858274-168337/root/chroot_tmpdir/scmroot/cfitsio'...
$ git fetch origin fa4fdf4fe0fb86f6610932805e628b5a4f8591ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cfitsio
 * [new ref]         fa4fdf4fe0fb86f6610932805e628b5a4f8591ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa4fdf4 Obsolete fitsverify, add imcopy and fitscopy