Rename master to main

CONTRIBUTING.md

@@ -42,7 +42,7 @@ For small changes (like typos) you do not need to setup anything locally. For
 larger changes we recommend you build the documentation locally so you can see
 the end product in its full glory.
 
-To make edits through the GitHub website visit https://github.com/jupyterhub/kubespawner/tree/master/docs/source, open the file you would like to edit and then click "edit". GitHub will
+To make edits through the GitHub website visit https://github.com/jupyterhub/kubespawner/tree/HEAD/docs/source, open the file you would like to edit and then click "edit". GitHub will
 walk you through the process of proposing your change ("making a Pull Request").
 
 A brief guide to setting up for local development

README.md

@@ -2,7 +2,7 @@
 
 [![Documentation status](https://img.shields.io/readthedocs/jupyterhub-kubespawner?logo=read-the-docs)](https://jupyterhub-kubespawner.readthedocs.io/en/latest/?badge=latest)
 [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/jupyterhub/kubespawner/Test?logo=github)](https://github.com/jupyterhub/kubespawner/actions)
-[![Code coverage](https://codecov.io/gh/jupyterhub/kubespawner/branch/master/graph/badge.svg)](https://codecov.io/gh/jupyterhub/kubespawner)
+[![Code coverage](https://codecov.io/gh/jupyterhub/kubespawner/branch/main/graph/badge.svg)](https://codecov.io/gh/jupyterhub/kubespawner)
 [![](https://img.shields.io/pypi/v/jupyterhub-kubespawner.svg?logo=pypi)](https://pypi.python.org/pypi/jupyterhub-kubespawner)
 
 The _kubespawner_ (also known as JupyterHub Kubernetes Spawner) enables JupyterHub to spawn

RELEASE.md

@@ -20,13 +20,13 @@ For you to follow along according to these instructions, you need:
    github-activity jupyterhub/kubespawner --output tmp-changelog-prep.md
    ```
 
-1. Once the changelog is up to date, checkout master and make sure it is up to date and clean.
+1. Once the changelog is up to date, checkout main and make sure it is up to date and clean.
 
    ```bash
    ORIGIN=${ORIGIN:-origin} # set to the canonical remote, e.g. 'upstream' if 'origin' is not the official repo
-   git checkout master
-   git fetch $ORIGIN master
-   git reset --hard $ORIGIN/master
+   git checkout main
+   git fetch $ORIGIN main
+   git reset --hard $ORIGIN/main
    # WARNING! This next command deletes any untracked files in the repo
    git clean -xfd
    ```
@@ -42,20 +42,20 @@ For you to follow along according to these instructions, you need:
    git log
    ```
 
-1. Push your two commits to master along with the annotated tags referencing
-   commits on master. TravisCI will trigger automatic deployment of the pushed
-   tag.
+1. Push your two commits to main along with the annotated tags referencing
+   commits on main. A GitHub workflow will trigger on the pushed git tag and
+   publish to PyPI.
 
    ```bash
    # pushing the commits standalone allows you to
    # ensure you don't end up only pushing the tag
    # because the commit were rejected but the tag
    # wasn't
-   git push $ORIGIN master
+   git push $ORIGIN main
 
    # if you could push the commits without issues
    # go ahead and push the tag also
-   git push --follow-tags $ORIGIN master
+   git push --follow-tags $ORIGIN main
    ```
 
 1. Verify that [the GitHub

docs/source/conf.py

@@ -61,8 +61,8 @@
 # source_suffix = ['.rst', '.md']
 source_suffix = ['.rst', '.md']
 
-# The master toctree document.
-master_doc = 'index'
+# The root toctree document.
+root_doc = master_doc = 'index'
 
 # General information about the project.
 project = 'kubespawner'
@@ -147,7 +147,7 @@
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
     (
-        master_doc,
+        root_doc,
         'Kubespawner.tex',
         'Kubespawner Documentation',
         'Project Jupyter',
@@ -160,7 +160,7 @@
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [(master_doc, 'kubespawner', 'Kubespawner Documentation', [author], 1)]
+man_pages = [(root_doc, 'kubespawner', 'Kubespawner Documentation', [author], 1)]
 
 
 # -- Options for Texinfo output -------------------------------------------
@@ -170,7 +170,7 @@
 #  dir menu entry, description, category)
 texinfo_documents = [
     (
-        master_doc,
+        root_doc,
         'Kubespawner',
         'Kubespawner Documentation',
         author,

kubespawner/spawner.py

@@ -1734,7 +1734,7 @@ def _expand_all(self, src):
 
     def _build_common_labels(self, extra_labels):
         # Default set of labels, picked up from
-        # https://github.com/kubernetes/helm/blob/master/docs/chart_best_practices/labels.md
+        # https://github.com/helm/helm-www/blob/HEAD/content/en/docs/chart_best_practices/labels.md
         labels = {
             'hub.jupyter.org/username': escapism.escape(
                 self.user.name, safe=self.safe_chars, escape_char='-'