$ git clone -n https://src.fedoraproject.org/rpms/nest.git /var/lib/mock/f31-build-61957-29006/root/chroot_tmpdir/scmroot/nest
Cloning into '/var/lib/mock/f31-build-61957-29006/root/chroot_tmpdir/scmroot/nest'...
$ git reset --hard ef85260b4020b8a943e68d5332857ec644067e67
HEAD is now at ef85260 Update to 2.18.0