This plugin posts updates to issues in your Redmine installation to a Slack channel. Improvements are welcome! Just send a pull request.
From your Redmine plugins directory, clone this repository as redmine_slack:
git clone https://github.com/sciyoshi/redmine-slack.git redmine_slack
You will also need the httpclient dependency, which can be installed by running
bundle install
from the plugin directory.
Restart Redmine, and you should see the plugin show up in the Plugins page. Under the configuration options, set the Slack API URL to the URL for an Incoming WebHook integration in your Slack account.
For more information, see http://www.redmine.org/projects/redmine/wiki/Plugins.