$ git clone -n https://src.fedoraproject.org/rpms/vdr-remote.git /var/lib/mock/f42-build-864190-172199/root/chroot_tmpdir/scmroot/vdr-remote
Cloning into '/var/lib/mock/f42-build-864190-172199/root/chroot_tmpdir/scmroot/vdr-remote'...
$ git fetch origin 4b0192698a2ca2395273229542b0b337d3882468:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-remote
 * [new ref]         4b0192698a2ca2395273229542b0b337d3882468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b01926 Rebuilt for new VDR API version 2.7.2