$ git clone -n https://src.fedoraproject.org/rpms/lasso.git /var/lib/mock/f42-build-3272217-41305/root/chroot_tmpdir/scmroot/lasso
Cloning into '/var/lib/mock/f42-build-3272217-41305/root/chroot_tmpdir/scmroot/lasso'...
$ git fetch origin 2db56b4912f880a73edae35b06f9a6324c241231:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lasso
 * [new ref]         2db56b4912f880a73edae35b06f9a6324c241231 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2db56b4 Bump release