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CONTRIBUTING.md

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Contributing

Cloning PM2 development

$ git clone https://github.com/Unitech/pm2.git
$ cd pm2
$ git checkout development
$ npm install

I recommend having a pm2 alias pointing to the development version to make it easier to use pm2 development:

$ cd pm2/
$ echo "alias pm2='`pwd`/bin/pm2'" >> ~/.bashrc

You are now able to use pm2 in dev mode:

$ pm2 update
$ pm2 ls

Project structure

.
├── bin      // pm2, pmd, pm2-dev, pm2-docker are there
├── examples // examples files
├── lib      // source files
├── pres     // presentation files
└── test     // test files

Modifying the Daemon

When you modify the Daemon (lib/Daemon.js, lib/God.js, lib/God/*, lib/Watcher.js), you must restart the pm2 Daemon by doing:

$ pm2 update

Tests

There are two tests type. Programmatic and Behavioral. The main test command is npm test

Programmatic

Programmatic tests are runned by doing

$ bash test/pm2_programmatic_tests.sh

This test files are located in test/programmatic/*

Behavioral

Behavioral tests are runned by doing:

$ bash test/pm2_behavior_tests.sh

This test files are located in test/bash/*

File of interest

  • $HOME/.pm2 contain all PM2 related files
  • $HOME/.pm2/logs contain all applications logs
  • $HOME/.pm2/pids contain all applications pids
  • $HOME/.pm2/pm2.log PM2 logs
  • $HOME/.pm2/pm2.pid PM2 pid
  • $HOME/.pm2/rpc.sock Socket file for remote commands
  • $HOME/.pm2/pub.sock Socket file for publishable events