$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgfixer.git /var/lib/mock/f42-build-side-1-3588118-46943/root/chroot_tmpdir/scmroot/vdr-epgfixer
Cloning into '/var/lib/mock/f42-build-side-1-3588118-46943/root/chroot_tmpdir/scmroot/vdr-epgfixer'...
$ git fetch origin 7cc3b3bf901535085ca99ac42399b6194244df96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgfixer
 * [new ref]         7cc3b3bf901535085ca99ac42399b6194244df96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cc3b3b Rebuilt for new VDR API version 2.7.4