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55 lines
2.4 KiB
Markdown
55 lines
2.4 KiB
Markdown
---
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title: Developer Certificate of Origin
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description: Enforce the DCO on Pull Requests
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slug: dco
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screenshots:
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- https://cloud.githubusercontent.com/assets/173/24482273/a35dc23e-14b5-11e7-9371-fd241873e2c3.png
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stars: 28
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authors:
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- bkeepers
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repository: probot/dco
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updated: 2017-10-19 15:02:50 UTC
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host: https://probot-dco.herokuapp.com
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installations: 66
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organizations:
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- hyperledger
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- jaegertracing
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- envoyproxy
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- phpmyadmin
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- WeblateOrg
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- coreinfrastructure
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- redhat-developer
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- mainflux
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- jbosstools
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- mdeguzis
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---
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The Developer Certificate of Origin (DCO) is a lightweight way for contributors to certify that they wrote or otherwise have the right to submit the code they are contributing to the project. Here is the full [text of the DCO](https://developercertificate.org/), reformatted for readability:
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> By making a contribution to this project, I certify that:
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>
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> 1. The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or
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>
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> 2. The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or
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>
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> 3. The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it.
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>
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> 4. I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved.
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Contributors _sign-off_ that they adhere to these requirements by adding a `Signed-off-by` line to commit messages.
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```
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This is my commit message
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Signed-off-by: Random J Developer <random@developer.example.org>
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```
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Git even has a `-s` command line option to append this automatically to your commit message:
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```
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$ git commit -s -m 'This is my commit message'
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```
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Once installed, this app will set the [status](https://developer.github.com/v3/repos/statuses/) to `failed` if commits in a Pull Request do not contain a valid `Signed-off-by` line.
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