$ git clone -n https://src.fedoraproject.org/rpms/vdr-osdteletext.git /var/lib/mock/f42-build-60943563-6586463/root/chroot_tmpdir/scmroot/vdr-osdteletext
Cloning into '/var/lib/mock/f42-build-60943563-6586463/root/chroot_tmpdir/scmroot/vdr-osdteletext'...
$ git fetch origin 33da3080ff030995323456c33f45a64a0cf696e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-osdteletext
 * [new ref]         33da3080ff030995323456c33f45a64a0cf696e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33da308 Update to last git release 2.3.2-0.1.20211217gitcae4629