$ git clone -n https://src.fedoraproject.org/rpms/icestorm.git /var/lib/mock/f33-build-231827-50309/root/chroot_tmpdir/scmroot/icestorm
Cloning into '/var/lib/mock/f33-build-231827-50309/root/chroot_tmpdir/scmroot/icestorm'...
$ git reset --hard d87ffe157a23446f87fe39058a66199cb4ee2997
HEAD is now at d87ffe1 update to newer snapshot