chef

https://github.com/opscode/chef

Ruby

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Chef::Provider::Group::Groupmod#reset_group_membership

This is tricky, but works: rename the existing group to
"<name>_bak", create a new group with the same GID and
"<name>", then set correct members on that group

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git

cd chef

open lib/chef/provider/group/groupmod.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Provider--Group--Groupmod-reset_group_membership-for-pr

# Commit to git

git add lib/chef/provider/group/groupmod.rbgit commit -m "better docs for Chef::Provider::Group::Groupmod#reset_group_membership"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Chef--Provider--Group--Groupmod-reset_group_membership-for-pr

hub pull-request

# Celebrate!