$ git clone -n https://github.com/xcp-ng-rpms/mellanox-mlnxen.git /var/lib/mock/v8.3-base-3973-3911/root/chroot_tmpdir/scmroot/mellanox-mlnxen
Cloning into '/var/lib/mock/v8.3-base-3973-3911/root/chroot_tmpdir/scmroot/mellanox-mlnxen'...
$ git reset --hard e27b75893851901c8cece749fc360abbf46b2ea0
Downloading SOURCES/mellanox-mlnxen-5.4_1.0.3.0.tar.gz (2.9 MB)
HEAD is now at e27b758 Merge branch 'XS-8.3'