$ git clone -n https://github.com/xcp-ng-rpms/chelsio-cxgb4.git /var/lib/mock/v8.3-base-3953-3899/root/chroot_tmpdir/scmroot/chelsio-cxgb4
Cloning into '/var/lib/mock/v8.3-base-3953-3899/root/chroot_tmpdir/scmroot/chelsio-cxgb4'...
$ git reset --hard 624f7c06e8b28d27d27b7f3fd5a9d5b9d1dc299e
Downloading SOURCES/chelsio-cxgb4-1.0.1.tar.gz (546 KB)
HEAD is now at 624f7c0 Merge branch 'XS-8.3'