$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgsearch.git /var/lib/mock/f42-build-side-1-3588136-46943/root/chroot_tmpdir/scmroot/vdr-epgsearch
Cloning into '/var/lib/mock/f42-build-side-1-3588136-46943/root/chroot_tmpdir/scmroot/vdr-epgsearch'...
$ git fetch origin 25336e4104bcf08391968e3638e502d223d25b5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgsearch
 * [new ref]         25336e4104bcf08391968e3638e502d223d25b5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25336e4 Rebuilt for new VDR API version 2.7.4