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This is a small set of scripts that does two things:

  • Route Perforce triggers to appropriate scripts (to make it easier to add new Perforce triggers with just a p4 triggers update and a new script in Perforce.)
  • We currently use a version of Perforce that does not support the %//depot/path/to/script% syntax in p4 triggers, so that makes this more important.
  • Verifies Unity meta-file consistency for configured projects.

The Unity meta-file verification has three checks:

  • Verify that any new Asset has a new .meta file added for it.
  • Verify that any deleted Asset also has its .meta file deleted.
  • Verify that no-one attempts to modify the guid field of an existing .meta file.

This prevents a lot of common mistakes that happen with Perforce and Unity.

It does not yet support two more checks that would be helpful:

  • Verify that any new Asset does not re-use an existing guid.
  • Verify that there are no .meta files added without the corresponding Asset.

Here, Asset means any file under the Assets directory in a project configured in content_checker_config.yaml.

Setting up

First, you need to set up a workspace for use by your Perforce server to check out the scripts. This is what ours looks like:

Client: perforce-admin-tools

Root:   d:\PerforceTriggers\tools\

View:
        //depot/admin/tools/... //perforce-admin-tools/...

For us, these scripts live in e.g. //depot/admin/tools/p4dispatch/bootstrap.py.

Copy root_bootstrap.py onto your Perforce server to wherever. For us, we use D:\PerforceTriggers. You will have to update root_bootstrap.py to have the correct path to bootstrap.py in SECOND_STAGE_RELATIVE_PATH. You will also have to update it to have the correct name of the workspace in SECOND_STAGE_WORKSPACE.

Install PyYAML.

Configure p4 triggers to launch root_bootstrap.py as follows:

gatekeeper-content change-content //depot/... "C:\python27\python.exe D:\PerforceTriggers\root_bootstrap.py change-content %changelist%"

You will have to update the Python path as appropriate. That should be all!

Parts

root_bootstrap.py

This script is just responsible for syncing the SECOND_STAGE_WORKSPACE and launching bootstrap.py from this repository.

bootstrap.py

This script checks for a file called $action.py where $action is the Perforce trigger we're executing for, like change-content, change-commit, etc, and if it exists it launches it. It sets up some import paths first.

change-content.py

This script reads content_checker_config.yaml, and if any of the files changed in this change match the paths in a project, it launches the check, rejecting a change if it fails the check. The only support check so far is a Unity meta file check.

Questions?

If you have any questions, file an issue or contact the author at jorgenpt@gmail.com.

About

Various infrastructure for Perforce triggers used at Uber Entertainment

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