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KDE chose Phabricator in the 2010s but in the 2020s transitioned patch review, merge requests, and continuous integration to its GitLab instance at https://invent.kde.org . Some projects may still use http://phabricator.kde.org/ for task tracking.
2015 comparison of Phabricator and Gerrit
Back in 2015: This page aims to give an overview over the infrastructure that KDE relies on. It tries to give an overview in a feature matrix such that we, the community, can make an informed decision about the merits of each contestant.
| Feature | Phabricator | Gerrit |
|---|---|---|
| Git Repository Hosting | Yes | Yes |
| Git Repository Browsing | Diffusion | Integration with external viewer (see our instance) |
| Git Commit Browsing | Diffusion | Integration with external viewer (see our instance) |
| Anongit | Built-in replication, configurable per-repo. | Built-in replication, configurable per-repo. |
| Project Tree Structure | No | No |
| Pre Commit Review | Differential | Yes |
| Fine-grained review (separate labels, +1/+2,...) | No | Yes |
| Bypass Reviews | Yes | Yes |
| Scratch Repository | Supported with minor modification, Proper support to be added later. | A simple script for forwarding one API call |
| Uploading changes via Git | Not yet | Yes |
| Uploading changes via command line | Yes, via Arcanist | Yes, via Git |
| Uploading changes via Web | Yes | https://tools.wmflabs.org/gerrit-patch-uploader/ |
| Downloading changes via Git | No | Yes |
| Downloading changes via Command line | Yes, via Arcanist | Yes, via Git |
| Downloading changes via Web | Yes (patch file - see https://secure.phabricator.com/D234) | Yes (base64, zip - See KDE gerrit demo) |
| Ability to merge patch directly from Web UI | Disabled due to limitations in how it works, pending rewrite. | Yes |
| CI Integration | http://www.guywarner.com/2014/06/part-2-integrating-phabricator-and.html or http://www.dctrwatson.com/2013/01/jenkins-and-phabricator/ | Native, see KDE gerrit demo |
| Closing Bugs on Bugzilla | Existing git hooks | Native support via its-bugzilla gerrit plugin |
| Post Commit Review | Audit | Commenting on closed reviews |
| Clustering for scalability | To a certain extent. WIth the appropriate setup certain components can be separated to different systems if needed. | Yes |
| Allows to replace svn web services (reviewboard, websvn), with same system | Yes (?) | No |
| Optional integrated task/todo management | Yes | No, but integration is possible (see the demo) |
| Optional integrated issue tracking | Yes | Bidirectional integration with Bugzilla is finished, other task trackers (including phabricator) are supported |
| Online code editor | No | Yes (2.11) |