$ git clone -n https://src.fedoraproject.org/rpms/cscppc.git /var/lib/mock/f41-build-830827-156738/root/chroot_tmpdir/scmroot/cscppc
Cloning into '/var/lib/mock/f41-build-830827-156738/root/chroot_tmpdir/scmroot/cscppc'...
$ git fetch origin 3ba48ce2fa24e791b2fb4918c615a20d35b2d776:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cscppc
 * [new ref]         3ba48ce2fa24e791b2fb4918c615a20d35b2d776 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ba48ce update to latest upstream (2.2.6)