$ git clone -n https://src.fedoraproject.org/rpms/rocfft.git /var/lib/mock/f41-build-841295-15174/root/chroot_tmpdir/scmroot/rocfft
Cloning into '/var/lib/mock/f41-build-841295-15174/root/chroot_tmpdir/scmroot/rocfft'...
$ git fetch origin c77bf8148f6965b209f999c1edc309e3a8b6d5a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rocfft
 * [new ref]         c77bf8148f6965b209f999c1edc309e3a8b6d5a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c77bf81 Update to 6.1.1