$ git clone -n https://github.com/xcp-ng-rpms/broadcom-bnxt-en-alt /var/lib/mock/dev-testing-88-59/root/chroot_tmpdir/scmroot/broadcom-bnxt-en-alt
Cloning into '/var/lib/mock/dev-testing-88-59/root/chroot_tmpdir/scmroot/broadcom-bnxt-en-alt'...
$ git reset --hard master
Downloading SOURCES/netxtreme-bnxt_en-1.8.54.tar.gz (408 KB)
HEAD is now at 2da7985 Update to 1.8.54