$ git clone -n https://src.fedoraproject.org/rpms/cfitsio.git /var/lib/mock/f41-build-side-1-2632948-25866/root/chroot_tmpdir/scmroot/cfitsio
Cloning into '/var/lib/mock/f41-build-side-1-2632948-25866/root/chroot_tmpdir/scmroot/cfitsio'...
$ git fetch origin bd76cbde0251a9e90cf0a4cecb76b82b99991498:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cfitsio
 * [new ref]         bd76cbde0251a9e90cf0a4cecb76b82b99991498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd76cbd Fix pkgconfig includedir