rename master to main (#112)

.github/workflows/build-and-test.yml

@@ -2,9 +2,9 @@ name: build and test
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:

.github/workflows/docs-build-and-deploy.yml

@@ -2,7 +2,7 @@ name: Docs build and deploy
 on:
   push:
     branches:
-      - master
+      - main
 jobs:
   build-and-deploy:
     concurrency: ci-${{ github.ref }} # Recommended if you intend to make multiple deployments in quick succession.

docs/developer.rst

@@ -26,7 +26,7 @@ Build docs locally (you can then see the generated documentation in ``docs/_buil
 
   make docs
 
-Docs are automatically deployed to github pages via a workflow on push to the master branch.
+Docs are automatically deployed to github pages via a workflow on push to the main branch.
 
 Todo list
 =========

gctree/_version.py

@@ -199,7 +199,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # refs/heads/ and refs/tags/ prefixes that would let us distinguish
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
+        # "stabilization", as well as "HEAD" and "main".
         tags = set([r for r in refs if re.search(r"\d", r)])
         if verbose:
             print("discarding '%s', no digits" % ",".join(refs - tags))

versioneer.py

@@ -175,8 +175,8 @@
 two common reasons why `setup.py` might not be in the root:
 
 * Source trees which contain multiple subprojects, such as
-  [Buildbot](https://github.com/buildbot/buildbot), which contains both
-  "master" and "slave" subprojects, each with their own `setup.py`,
+  [Buildbot](https://github.com/buildbot/buildbot), which contains
+  multiple subprojects, each with their own `setup.py`,
   `setup.cfg`, and `tox.ini`. Projects like these produce multiple PyPI
   distributions (and upload multiple independently-installable tarballs).
 * Source trees whose main purpose is to contain a C library, but which also
@@ -609,7 +609,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # refs/heads/ and refs/tags/ prefixes that would let us distinguish
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
+        # "stabilization", as well as "HEAD" and "main".
         tags = set([r for r in refs if re.search(r'\d', r)])
         if verbose:
             print("discarding '%%s', no digits" %% ",".join(refs - tags))
@@ -1001,7 +1001,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # refs/heads/ and refs/tags/ prefixes that would let us distinguish
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
+        # "stabilization", as well as "HEAD" and "main".
         tags = set([r for r in refs if re.search(r'\d', r)])
         if verbose:
             print("discarding '%s', no digits" % ",".join(refs - tags))