• get nxcompext from git

$ git clone ssh://x2go@code.x2go.org:32032/srv/git/code.x2go.org/nxcompshad.git
Cloning into nxcompshad...
remote: Counting objects: 235, done.
remote: Compressing objects: 100% (222/222), done.
remote: Total 235 (delta 138), reused 0 (delta 0)
Receiving objects: 100% (235/235), 109.78 KiB, done.
Resolving deltas: 100% (138/138), done.

• Switch to “upstream” branch

nxcompext$ git checkout upstream
Branch upstream set up to track remote branch upstream from origin.
Switched to a new branch 'upstream'

• replace old source files with new version from nomachine
• check changes with “git status”, if need, add new files to GIT
• commit changes

git commit -a -m "Imported Upstream version 3.5.0-2"
git push origin upstream
git push --tags

• Switch to master branch

nxcompshad$ git checkout master
Switched to branch 'master'