$ git clone -n https://src.fedoraproject.org/rpms/opentracker.git /var/lib/mock/f38-build-side-42-init-devel-1046292-29762/root/chroot_tmpdir/scmroot/opentracker
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1046292-29762/root/chroot_tmpdir/scmroot/opentracker'...
$ git fetch origin 2b65128386bf94c8908ba15b35c7774acca8944b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opentracker
 * [new ref]         2b65128386bf94c8908ba15b35c7774acca8944b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b65128 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild