$ git clone -n https://src.fedoraproject.org/rpms/bubblewrap.git /var/lib/mock/f41-build-side-1-2632651-25829/root/chroot_tmpdir/scmroot/bubblewrap
Cloning into '/var/lib/mock/f41-build-side-1-2632651-25829/root/chroot_tmpdir/scmroot/bubblewrap'...
$ git fetch origin 0c057490441227f8581e5577d2ba59a58f17428c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bubblewrap
 * [new ref]         0c057490441227f8581e5577d2ba59a58f17428c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c05749 Update to 0.10.0 (#2271977)