composer/composer — pull request #3171 by francoispluchino (2014-07-29 13:29:49+00:00)
Title: Add installer events

| Q | A
| ------------- | ------
| Bug fix? | no
| New feature? | yes
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | #3116
| License | MIT

This PR adds 2 new events:
- `Composer\Installer\InstallerEvents`::`PRE_SOLVE_DEPENDENCIES`
- `Composer\Installer\InstallerEvents`::`POST_SOLVE_DEPENDENCIES`