$ git clone -n https://src.fedoraproject.org/rpms/vdr-epg-daemon.git /var/lib/mock/f42-build-side-1-3540014-46572/root/chroot_tmpdir/scmroot/vdr-epg-daemon
Cloning into '/var/lib/mock/f42-build-side-1-3540014-46572/root/chroot_tmpdir/scmroot/vdr-epg-daemon'...
$ git fetch origin 942206ca0598b99c35dcac746dee904725b98cdf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epg-daemon
 * [new ref]         942206ca0598b99c35dcac746dee904725b98cdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 942206c Rebuilt for new VDR API version 2.7.4