$ git clone -n https://src.fedoraproject.org/rpms/vdr-skinenigmang.git /var/lib/mock/f40-build-2685012-67999/root/chroot_tmpdir/scmroot/vdr-skinenigmang
Cloning into '/var/lib/mock/f40-build-2685012-67999/root/chroot_tmpdir/scmroot/vdr-skinenigmang'...
$ git fetch origin 579d6fe93229da7d36a5e5ef517f650520ccfe6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-skinenigmang
 * [new ref]         579d6fe93229da7d36a5e5ef517f650520ccfe6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 579d6fe Rebuilt for new VDR API version