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1. Communication
There are 2 ways that will be used to communicate: The mailing list
(ouroboros@freelists.org) will be used for almost everything except
for day-to-day chat. For that we will use the channel #ouroboros on
Freenode (IRC chat). Use whatever name you desire.
2. Coding guidelines
The coding guidelines of the Ouroboros stack are the same as those of
the Linux kernel
(https://www.kernel.org/doc/Documentation/CodingStyle) with the
following exceptions:
- Soft tabs are to be used instead of hard tabs
- A space is to be inserted between a pointer and its object name upon
declaration or in function signatures. Example:
int * a;
instead of
int *a;
- Don't explicitly cast malloc, but do
ptr = malloc(sizeof(*ptr) * len);
- When checking for invalid pointers use
if (ptr == NULL)
instead of
if (!ptr)
3. Development workflow
Git is used as a version tooling for the code. Releases are identified
through a git tag by a number MAJOR.MICRO.PATCHLEVEL. Incrementing
MAJOR is done to indicate a big step ahead in terms of features; it is
discussed when new features are planned. Incrementing MICRO is done
when APIs/ABIs are not necessarily compatible. The PATCHLEVEL is
incremented when an urgent bugfix is incorporated.
3.1. Repository structure
The main git repository can be found at:
https://ouroboros.ilabt.imec.be/git/ouroboros
It contains the following branches:
- master: Contains the most stable versions of Ouroboros.
- testing: Contains tested code but may still contain bugs.
- be: Contains untested but compiling code.
All new contributions are integrated into 'be' through patches sent to
the mailing list. Once a version of 'be' is tested enough, it is
merged into 'testing'. When a 'testing' version is considered stable
enough, it is merged into 'master'. Users should ALWAYS use master
unless told otherwise.
3.2. Contributions
There is 1 ways to provide contributions:
- git email patch: via mailing list (ouroboros@freelists.org)
New development is ALWAYS done against the 'be' branch of the main git
repository. Contributions are always made using your real name and
real e-mail address.
3.3 Commit messages
A commit message should follow these 9 simple rules (adjusted from
http://chris.beams.io/posts/git-commit/):
- Separate subject from body with a blank line
- Limit the subject line to 50 characters
- Capitalize the subject line
- Do not end the subject line with a period
- Use the imperative mood in the subject line
- Precede the subject line by indicating the component where changes
were made
- Wrap the body at 72 characters
- Use the body to explain what and why vs. how
- If the commit addresses a bug, reference it in the body
- Sign off your commits using the signoff feature in git
3.4 Bugs
Bugs are reported through the Bugzilla issue tracker
(https://ouroboros.ilabt.imec.be/bugzilla/). The process of reporting
a bug is the following:
a. Provide a description of the bug
b. Provide system logs
c. Provide a minimal code example to reproduce the bug
d. Sync with the HEAD of the most stable branch where the bug is
present
e. Provide a bug fix if you can
f. Send a patch to the mailing list
g. The bugfix will be merged upwards into the less stable branches
Note that step a and b are always required. Steps c-g may be performed
by someone else.
4. New features
New features can be always be requested through the mailing list. They
will be taken into account when a next version of the prototype is
discussed. Patches containing non discussed features will be
automatically rejected.
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