Publishing a release¶

This page describes the steps required to author a release of GWpy.

Notes:

gwpy uses the stable mainline branching model for releases
all release numbers must follow Semantic Versioning 2 and include major, minor, and patch numbers, e.g. X.Y.Z rather than 1.0 or just 1

Step-by-step¶

If this is a bug-fix release, just check out that branch:
```
git checkout release/X.Y.x
```

Update the copyright:

python -c "from setup_utils import update_all_copyright; update_all_copyright()"
git commit -S -m "Updated copyright for release" .

Publish the release, allowing CI to run, and others to see it:
```
git push -u origin master
```
for major/minor releases, or

for bug-fix releases
Wait patiently for the continuous integration to finish
Announce the release and ask for final contributions
Tag the release:
```
git tag --sign vX.Y.Z
```
Create a maintenance branch (major/minor releases only):
```
git branch release/X.Y.x
```

Publish everything:

# push maintenance branch
git push --signed=if-asked origin release/X.Y.x
# push master branch
git push --signed=if-asked origin master
# push new tag
git push --signed=if-asked origin vX.Y.Z

Draft a release on GitHub
- Go to https://github.com/gwpy/gwpy/releases/new
- Use vX.Y.Z as the Tag version
- Use X.Y.Z as the Release title
- Copy the tag message into the text box to serve as release notes
Publish the release documentation

This is done from the LDAS computing centre at Caltech:
```
cd /home/duncan.macleod/gwpy-nightly-build/
bash release-build.sh X.Y.Z
```
Once that is complete (~20 minutes), a few manual updates must be made:
```
cd /home/duncan.macleod/gwpy-nightly-build/gwpy.github.io/docs
unlink stable && ln -s X.Y.Z stable
sed -i 's/0.9.9/X.Y.Z/g' index.html
```
The final command should be modified to replace the previous release ID with the current one.

Then:
```
git commit --gpg-sign --message="X.Y.Z: release docs"
git push --signed=if-asked  # <- this step needs an SSH key
```
It should take ~5 minutes for the release documentation to actually appear on https://gwpy.github.io/docs/

Linked updates¶

Zenodo¶

Creating a new release on GitHub will automatically trigger a new DOI on https://zenodo.org.

Distributing the new release package¶

Package distributions for PyPI, Conda, Debian, and RHEL are done manually:

PyPI¶

To create a new release on PyPI:

rm -rf dist/
git checkout vX.Y.Z
python setup.py sdist bdist_wheel
gpg --armor --detach-sign dist/gwpy-*.tar.gz
twine upload dist/gwpy-*

Conda¶

Once the PyPI upload has completed, the conda-forge bot will automatically open a pull request to conda-forge/gwpy-feedstock. Just double-check that the dependencies and tests are up-to-date, then merge.

Debian/RHEL¶

Upload the source tarball to software.ligo.org
Open a new request to sccb/requests to announce the new release and request package build and deployment.