$ git clone -n https://src.fedoraproject.org/rpms/cgnslib.git /var/lib/mock/f40-build-2208938-52148/root/chroot_tmpdir/scmroot/cgnslib
Cloning into '/var/lib/mock/f40-build-2208938-52148/root/chroot_tmpdir/scmroot/cgnslib'...
$ git fetch origin a7661d98b55a262e1332f7444e11b1a1c8fcd07f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cgnslib
 * [new ref]         a7661d98b55a262e1332f7444e11b1a1c8fcd07f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7661d9 Fix flatpak build