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CONTRIBUTING
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CONTRIBUTING
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Contributing to LibreDWG
There are certain legal requirements and style issues which all
contributions must meet:
Legal Prerequisites
Before we can incorporate significant contributions, certain legal
requirements must be met. This package is owned by the FSF.
The FSF prefers that a contributor files a copyright assignment for
significant contributions, i.e. > 15 lines of code or docs. The most
common forms are an assignment for a specific change, an assignment
for all future changes, and an employer disclaimer, if an employer or
school owns work created by the developer. It's a good idea to send
[email protected] a copy of your request.
If a contributor is reluctant to sign a copyright assignment for a
change, a copyright disclaimer to put the change in the public domain
is acceptable as well. The copyright disclaimer form is different than
an employer disclaimer form. A copyright assignment is more convenient
if a contributor plans to make several separate contributions.
Small changes can be accepted without a copyright disclaimer or a
copyright assignment on file.
See https://www.gnu.org/prep/maintain/html_node/Legally-Significant.html
and https://www.gnu.org/prep/maintain/html_node/Copyright-Papers.html
for details and contact us to obtain the relevant forms.
The most likely proper form is
http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob_plain;f=doc/Copyright/request-assign.future;hb=HEAD
Coding Standards
All contributions should conform to the GNU Coding Standards. There are
also some additional coding conventions for LibreDWG; these include
documentation and testsuite requirements as well as requirements on
code formatting.
Submissions which do not conform to the standards will be returned
with a request to address any such problems.
Submitting Patches
Every patch must have several pieces of information, before we can
properly evaluate it:
A description of the problem/bug and how your patch addresses it.
For new features a description of the feature and your
implementation. For bugs a description of what was wrong with the
existing code, and a reference to any previous bug report (in the
LibreDWG bug tracker) and any existing testcases for the problem in
the LibreDWG testsuite.
Testcases
If you cannot follow the recommendations of the GNU coding conventions
about testcases, you should include a justification for why adequate
testcases cannot be added.
ChangeLog
A ChangeLog entry as plaintext; see the various ChangeLog files for
format and content, and the GNU Coding Standards for further
information. The ChangeLog entries should be plaintext rather than
part of the patch since the top of the ChangeLog changes rapidly and a
patch to the ChangeLog would probably no longer apply by the time your
patch is reviewed. If your change fixes a PR, put text in the
ChangeLog entry mentioning the PR. The git commit machinery
understands how to extract this information and automatically append
the commit log to the PR. In order to be recognized, the text must fit
a particular form. It must start with "PR", and then must include the
PR number. For instance, PR #2369 is valid. Multiple PRs can be
mentioned in a single message.
Bootstrapping and testing
State the host and target combinations you used to do proper testing
as described above, and the results of your testing.
The patch itself
Do not include generated files as part of the patch, just mention them
in the ChangeLog (e.g., "* configure: Regenerate.").
Don't mix together changes made for different reasons. Send them
individually. Ideally, each change you send should be impossible to
subdivide into parts that we might want to consider separately,
because each of its parts gets its motivation from the other parts. In
particular, changes to code formatting to conform to coding standards
are best not mixed with substantive changes, because that makes it
difficult to see what the real changes are. (In the case of a very
large reorganization of code, it may make sense to separate changes
even further to make it clearer what has changed; for example, by
first sending structural changes that make subsequent changes easier
but do not change LibreDWG's behavior, then new code, then the changes that
actually make use of the new code and change LibreDWG's behavior.)
We prefer patches posted as plain text or as MIME parts of type
text/x-patch or text/plain, disposition inline, encoded as 7bit or
8bit. It is strongly discouraged to post patches as MIME parts of type
application/whatever, disposition attachment or encoded as base64 or
quoted-printable. Avoid MIME large-message splitting (message/partial)
at all costs.
If the patch is too big or too mechanical, posting it gzipped or
bzip2ed and uuencoded or encoded as a base64 MIME part is acceptable,
as long as the ChangeLog is still posted as plain text.
Acceptable formats are patches attached to the Savannah Bug tracker, pull requests
on the github mirror https://github.com/rurban/libredwg, or email attachments
formatted with git format-patch.
(Everything listed here still applies if you can check in the patch
without further approval under the LibreDWG write access policies, except
that ChangeLog entries may be included as part of the patch and diffs
representing new files may be omitted, especially if large, since they
can be accessed directly from the repository.)
Pinging patches, Getting patches applied
If you do not receive a response to a patch that you have submitted
within two weeks or so, it may be a good idea to chase it by sending a
follow-up email to the same list(s). Patches can occasionally fall
through the cracks. Please be sure to include a brief summary of the
patch and the URL of the entry in the mailing list archive or the tracker url
of the original submission.
If you do not have write access and a patch of yours has been
approved, but not committed, please advise the approver of that
fact. You may want to point out lack of write access in your initial
submission, too.