$ git clone -n https://src.fedoraproject.org/rpms/ccd2iso.git /var/lib/mock/f41-build-875077-16267/root/chroot_tmpdir/scmroot/ccd2iso
Cloning into '/var/lib/mock/f41-build-875077-16267/root/chroot_tmpdir/scmroot/ccd2iso'...
$ git fetch origin 378209c4a1bd31f0983652749be5ccdac1a401cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ccd2iso
 * [new ref]         378209c4a1bd31f0983652749be5ccdac1a401cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 378209c Eliminate use of obsolete %patchN syntax (#2283636)