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Process For Accepting Third Party Code Contributions

To improve tracking of contributions to this project we will use a process modelled on the modified DCO 1.1 and use a "sign-off" procedure on patches that are being emailed around or contributed in any other way.

The sign-off is a simple line at the end of the explanation for the patch, which certifies that you wrote it or otherwise have the right to pass it on as an open-source patch. The rules are pretty simple: if you can certify the below:

Developer's Certificate of Origin 1.1

By making a contribution to this project, I certify that:

(a). 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

(b). 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

(c). The contribution was provided directly to me by some other
person who certified (a), (b) or (c) and I have not modified

(d). The contribution is made free of any other party's intellectual
property claims or rights.

(e). 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
project or the open source license(s) involved.

then you just add a line saying

Signed-off-by: Random J Developer <>

using your real name (sorry, no pseudonyms or anonymous contributions.)


  1. Make sure you have a GitHub account

  2. Fork the repo.

  3. Make sure you follow the GNU Coding Standards


    • Shell scripts are indented with 1 tab.
  4. Make the changes and run the testcases (FVTR). We only take pull requests with passing tests. To run the testcases use 'make test' with the same build options.

  5. If it is applicable, improve or add the current testcases on FVTR to cover for the new functionality.

  6. Push to your fork and submit a pull request.

After 6. the pull request will be reviewed and checked. We may suggest some changes or improvements or alternatives.