$ git clone -n https://src.fedoraproject.org/rpms/osbuild.git /var/lib/mock/f41-build-side-2-python-2696965-30352/root/chroot_tmpdir/scmroot/osbuild
Cloning into '/var/lib/mock/f41-build-side-2-python-2696965-30352/root/chroot_tmpdir/scmroot/osbuild'...
$ git fetch origin e177763d1e560bc456692fe1696625b03792099d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osbuild
 * [new ref]         e177763d1e560bc456692fe1696625b03792099d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e177763 Test/unit-tests: install python3-tomli-w