112 lines
4.8 KiB
Markdown
112 lines
4.8 KiB
Markdown
# [SourceCred](https://sourcecred.io)
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[](https://circleci.com/gh/sourcecred/sourcecred)
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[](discuss.sourcecred.io)
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[](https://discord.gg/tsBTgc9)
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SourceCred creates reputation networks for open-source projects.
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Any open-source project can create its own _cred_, which is a reputational metric showing how much credit contributors deserve for helping the project.
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To compute cred, we organize a project’s contributions into a graph, whose edges connect contributions to each other and to contributors.
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We then run PageRank on that graph.
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To learn more about SourceCred’s vision and values, please check out [our website] and our [forum].
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One good forum post to start with is [A Gentle Introduction to Cred].
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For an example of SourceCred in action, you can see SourceCred’s own [prototype cred attribution][prototype].
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[our website]: https://sourcecred.io/
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[prototype]: https://sourcecred.io/prototype/
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[A Gentle Introduction to Cred]: https://discuss.sourcecred.io/t/a-gentle-introduction-to-cred/20
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## Current Status
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We have a [prototype] that can generate a cred attribution based on GitHub interactions (issues, pull requests, comments, references, etc.).
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We’re working on adding more information to the prototype, such as tracking modifications to individual files, source-code analysis, GitHub reactions, and more.
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### Running the Prototype
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If you’d like to try it out, you can run a local copy of SourceCred as follows.
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First, make sure that you have the following dependencies:
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- Install [Node] (tested on v8.x.x).
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- Install [Yarn] (tested on v1.7.0).
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- Create a [GitHub API token]. No special permissions are required.
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- For macOS users: Ensure that your environment provides GNU
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coreutils. [See this comment for details about what, how, and
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why.][macos-gnu]
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[Node]: https://nodejs.org/en/
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[Yarn]: https://yarnpkg.com/lang/en/
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[GitHub API token]: https://github.com/settings/tokens
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[macos-gnu]: https://github.com/sourcecred/sourcecred/issues/698#issuecomment-417202213
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Then, run the following commands to clone and build SourceCred:
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```
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git clone https://github.com/sourcecred/sourcecred.git
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cd sourcecred
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yarn install
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yarn backend
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export SOURCECRED_GITHUB_TOKEN=YOUR_GITHUB_TOKEN
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node bin/sourcecred.js load REPO_OWNER/REPO_NAME
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# this loads sourcecred data for a particular repository
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# it can take a few mins to run and will exit when finished
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yarn start
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# then navigate to localhost:8080 in your browser
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```
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For example, if you wanted to look at cred for [ipfs/js-ipfs], you could run:
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```
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$ export SOURCECRED_GITHUB_TOKEN=0000000000000000000000000000000000000000
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$ node bin/sourcecred.js load ipfs/js-ipfs
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```
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replacing the big string of zeros with your actual token.
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[ipfs/js-ipfs]: https://github.com/ipfs/js-ipfs
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You can also combine data from multiple repositories into a single graph.
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To do so, pass multiple repositories to the `load` command, and specify an “output name” for the repository.
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For instance, the invocation
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```
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node bin/sourcecred.js load ipfs/js-ipfs ipfs/go-ipfs --output ipfs/meta-ipfs
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```
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will create a graph called `ipfs/meta-ipfs` in the cred explorer, containing the combined contents of the js-ipfs and go-ipfs repositories.
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## Early Adopters
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We’re looking for projects who want to be early adopters of SourceCred!
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If you’re a maintainer of an open-source project and would like to start using SourceCred, please reach out to us on our [Discord] or our [forum].
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## Contributing
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We’d love to accept your contributions!
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You can reach out to us by posting on our [forum], or chatting with us on [Discord].
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We'd be happy to help you get started and show you around the codebase.
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Please also take a look at our [contributing guide].
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If you’re looking for a place to start, we’ve tagged some issues [Contributions Welcome].
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[forum]: https://discuss.sourcecred.io
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[Discord]: https://discord.gg/tsBTgc9
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[contributing guide]: https://github.com/sourcecred/sourcecred/blob/master/CONTRIBUTING.md
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[Contributions Welcome]: https://github.com/SourceCred/SourceCred/issues?q=is%3Aopen+is%3Aissue+label%3A%22contributions+welcome%22
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## License
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SourceCred is dual-licensed under Apache 2.0 and MIT terms:
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* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or <https://www.apache.org/licenses/LICENSE-2.0>)
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* MIT License ([LICENSE-MIT](LICENSE-MIT) or <https://opensource.org/licenses/MIT>)
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## Acknowledgements
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We’d like to thank [Protocol Labs] for funding and support of SourceCred.
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We’d also like to thank the many open-source communities that produced the software that SourceCred is built on top of, such as Git and Node.
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[Protocol Labs]: https://protocol.ai
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