Rename master to main

.github/workflows/mypy.yml

@@ -2,9 +2,9 b' name: Run MyPy'
 
 on:
   push:
-    branches: [ master, 7.x]
+    branches: [ main, 7.x]
   pull_request:
-    branches: [ master, 7.x]
+    branches: [ main, 7.x]
 
 jobs:
   build:

.github/workflows/python-package.yml

@@ -5,9 +5,9 b' name: Python package'
 
 on:
   push:
-    branches: [ master, 7.x ]
+    branches: [ main, 7.x ]
   pull_request:
-    branches: [ master, 7.x ]
+    branches: [ main, 7.x ]
 
 jobs:
   formatting:

.github/workflows/test.yml

@@ -4,7 +4,6 b' on:'
   push:
     branches:
       - main
-      - master
       - '*.x'
   pull_request:
   # Run weekly on Monday at 1:23 UTC

CONTRIBUTING.md

@@ -33,7 +33,7 b' When opening a new Issue, please take the following steps:'
 
 1. Search GitHub and/or Google for your issue to avoid duplicate reports.
    Keyword searches for your error messages are most helpful.
-2. If possible, try updating to master and reproducing your issue,
+2. If possible, try updating to main and reproducing your issue,
    because we may have already fixed it.
 3. Try to include a minimal reproducible test case.
 4. Include relevant system information.  Start with the output of:
@@ -53,7 +53,7 b' Some guidelines on contributing to IPython:'
   Review and discussion can begin well before the work is complete,
   and the more discussion the better.
   The worst case is that the PR is closed.
-* Pull Requests should generally be made against master
+* Pull Requests should generally be made against main
 * Pull Requests should be tested, if feasible:
     - bugfixes should include regression tests.
     - new behavior should at least get minimal exercise.

IPython/__init__.py

@@ -38,7 +38,7 b' Python 3.7 was still supported with the 7.x branch.'
 
 See IPython `README.rst` file for more information:
 
-    https://github.com/ipython/ipython/blob/master/README.rst
+    https://github.com/ipython/ipython/blob/main/README.rst
 
 """
     )

README.rst

@@ -1,5 +1,5 b''
-.. image:: https://codecov.io/github/ipython/ipython/coverage.svg?branch=master
-    :target: https://codecov.io/github/ipython/ipython?branch=master
+.. image:: https://codecov.io/github/ipython/ipython/coverage.svg?branch=main
+    :target: https://codecov.io/github/ipython/ipython?branch=main
 
 .. image:: https://img.shields.io/pypi/v/IPython.svg
     :target: https://pypi.python.org/pypi/ipython

docs/source/coredev/index.rst

@@ -14,12 +14,12 b' For instructions on how to make a developer install see :ref:`devinstall`.'
 Backporting Pull requests
 =========================
 
-All pull requests should usually be made against ``master``, if a Pull Request
+All pull requests should usually be made against ``main``, if a Pull Request
 need to be backported to an earlier release; then it should be tagged with the
 correct ``milestone``.
 
 If you tag a pull request with a milestone **before** merging the pull request,
-and the base ref is ``master``, then our backport bot should automatically create
+and the base ref is ``main``, then our backport bot should automatically create
 a corresponding pull-request that backport on the correct branch.
 
 If you have write access to the IPython repository you can also just mention the
@@ -78,7 +78,7 b' for the release you are actually making::'
     PREV_RELEASE=4.2.1
     MILESTONE=5.0
     VERSION=5.0.0
-    BRANCH=master
+    BRANCH=main
 
 For `reproducibility of builds <https://reproducible-builds.org/specs/source-date-epoch/>`_,
 we recommend setting ``SOURCE_DATE_EPOCH`` prior to running the build; record the used value

examples/IPython Kernel/Terminal Usage.ipynb

@@ -196,7 +196,7 b''
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The `%gui` magic can be similarly used to control Wx, Tk, glut and pyglet applications, [as can be seen in our examples](https://github.com/ipython/ipython/tree/master/examples/lib)."
+    "The `%gui` magic can be similarly used to control Wx, Tk, glut and pyglet applications, [as can be seen in our examples](https://github.com/ipython/ipython/tree/main/examples/lib)."
    ]
   },
   {

setup.py

@@ -48,7 +48,7 b' Python 3.7 was still supported with the 7.x branch.'
 
 See IPython `README.rst` file for more information:
 
-    https://github.com/ipython/ipython/blob/master/README.rst
+    https://github.com/ipython/ipython/blob/main/README.rst
 
 Python {py} detected.
 {pip}

tools/github_stats.py

@@ -79,8 +79,8 b' def issues_closed_since(period=timedelta(days=365), project="ipython/ipython", p'
     filtered = [ i for i in allclosed if _parse_datetime(i['closed_at']) > since ]
     if pulls:
         filtered = [ i for i in filtered if _parse_datetime(i['merged_at']) > since ]
-        # filter out PRs not against master (backports)
-        filtered = [ i for i in filtered if i['base']['ref'] == 'master' ]
+        # filter out PRs not against main (backports)
+        filtered = [ i for i in filtered if i['base']['ref'] == 'main' ]
     else:
         filtered = [ i for i in filtered if not is_pull_request(i) ]
     

tools/release_helper.sh

@@ -31,7 +31,7 b' MILESTONE=${input:-$MILESTONE}'
 echo -n "VERSION (X.y.z) [$VERSION]:"
 read input
 VERSION=${input:-$VERSION}
-echo -n "BRANCH (master|X.y) [$BRANCH]:"
+echo -n "BRANCH (main|X.y) [$BRANCH]:"
 read input
 BRANCH=${input:-$BRANCH}