$ git clone -n https://src.fedoraproject.org/rpms/osbuild.git /var/lib/mock/f41-build-side-1-2650184-27567/root/chroot_tmpdir/scmroot/osbuild
Cloning into '/var/lib/mock/f41-build-side-1-2650184-27567/root/chroot_tmpdir/scmroot/osbuild'...
$ git fetch origin fae5d037f0963a3e90d1d3d50699947358544c9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osbuild
 * [new ref]         fae5d037f0963a3e90d1d3d50699947358544c9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fae5d03 Update to 126 upstream release