$ git clone -n https://src.fedoraproject.org/rpms/vdr-skinelchihd.git /var/lib/mock/f40-build-1873837-25023/root/chroot_tmpdir/scmroot/vdr-skinelchihd
Cloning into '/var/lib/mock/f40-build-1873837-25023/root/chroot_tmpdir/scmroot/vdr-skinelchihd'...
$ git fetch origin 3c86ca2b5565cb1ae7b03bedeab31747334b0bd6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-skinelchihd
 * [new ref]         3c86ca2b5565cb1ae7b03bedeab31747334b0bd6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c86ca2 Rebuilt for new VDR API version 2.6.9