$ git clone -n https://src.fedoraproject.org/rpms/sdl-softfloat.git /var/lib/mock/f42-build-side-1-3500283-45970/root/chroot_tmpdir/scmroot/sdl-softfloat
Cloning into '/var/lib/mock/f42-build-side-1-3500283-45970/root/chroot_tmpdir/scmroot/sdl-softfloat'...
$ git fetch origin cfb1c7b9fdb985bf18783005adb2264b10a40e9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdl-softfloat
 * [new ref]         cfb1c7b9fdb985bf18783005adb2264b10a40e9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfb1c7b Update to e053494 git snapshot