$ git clone -n https://src.fedoraproject.org/rpms/cffconvert.git /var/lib/mock/f40-build-2261946-54459/root/chroot_tmpdir/scmroot/cffconvert
Cloning into '/var/lib/mock/f40-build-2261946-54459/root/chroot_tmpdir/scmroot/cffconvert'...
$ git fetch origin 1f2cdc8a037b6601bbb971218583352f9e2a81a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cffconvert
 * [new ref]         1f2cdc8a037b6601bbb971218583352f9e2a81a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f2cdc8 Assert a license file is automatically handled; don’t package a duplicate