Generates a changelog of Pivotal Tracker story titles and URLs for a range of git commits and authors. Git submodules will be traversed.

Story ids must be contained in commit messages in the form [#123456].

Usage:

$ git clone <this repo>
$ cd git_repo_changelog
$ bundle
$ export TRACKER_API_TOKEN=<your Pivotal Tracker API token>
$ bundle exec rake changelog[repository_path,start_git_ref,end_git_ref,authors]

• repository_path - local path to repo you'd like the changelog for
• start_git_ref, end_git_ref - can be tags, shas, branches, etc
• authors - a space delimited list of email addresses or empty string for all authors

WARNING: Running this will run git checkouts in the passed in repository_path.

Example:

$ bundle
$ export TRACKER_API_TOKEN=12345670
$ bundle exec rake changelog[/temp/workspace/cf-release,v211,v212,'mboedicker@pivotal.io cpiraino@pivotal.io']
cf-release
- cloudfoundry/gorouter #88: Added cache headers to heartbeat response [details](https://www.pivotaltracker.com/story/show/96503820)

src/routing-api
- operator should be able to discover metrics for the routing api service [details](https://www.pivotaltracker.com/story/show/85546998)
- Check performance of 200 services heartbeating their routes [details](https://www.pivotaltracker.com/story/show/91732170)

src/acceptance-tests
- CATS broker should return AsyncRequired error for async plans when request does not include accepts_incomplete [details](https://www.pivotaltracker.com/story/show/95212618)

Running Tests

Currently the tests need a cf-release repository located at /Users/pivotal/workspace/cf-release-git-repo in order to run correctly. This can be overridden by setting the CF_RELEASE_PATH environment variables.