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Contributing to Profanity

Coding style

Follow the style already present ;-)

To make this easier for you we created a .clang-format file. You'll need to have clang-format installed.

Then just run make format before you do any commit.

It might be a good idea to add a git pre-commit hook. So git automatically runs clang-format before doing a commit.

You can add the following snippet to .git/hooks/pre-commit:

for f in $(git diff --cached --name-only)
do
    if [[ "$f" =~ \.(c|h)$ ]]; then
        clang-format -i $f
    fi
done

If you feel embarrassed every time the CI fails you can add the following snippet to .git/hooks/pre-push:

#!/bin/sh
set -e
./ci-build.sh

This will run the same tests that the CI runs and refuse the push if it fails. Note that it will run on the actual content of the repository directory and not what may have been staged/committed.

If you're in a hurry you can add the --no-verify flag when issuing git push and the pre-push hook will be skipped.

Pull Requests

Before submitting a Pull Request please run valgrind and the clang static code analyzer.

valgrind

We provide a suppressions file prof.supp. It is a combination of the suppressions for shipped with glib2, python and custom rules.

G_DEBUG=gc-friendly G_SLICE=always-malloc valgrind --tool=memcheck --track-origins=yes --leak-check=full --leak-resolution=high --num-callers=30 --show-leak-kinds=definite --log-file=profval --suppressions=prof.supp ./profanity

clang

Running the clang static code analyzer helps improving the quality too.

make clean
scan-build make
scan-view ...