kaxil commented on a change in pull request #5789: [AIRFLOW-4222] Add cli 
autocomplete for bash & zsh
URL: https://github.com/apache/airflow/pull/5789#discussion_r313358678
 
 

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 File path: docs/howto/cli-completion.rst
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+..  Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
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+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+..    http://www.apache.org/licenses/LICENSE-2.0
+
+..  Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+Set Up Bash/Zsh Completion
+==========================
+
+When using bash (or ``zsh``) as your shell, ``airflow`` can use
+`argcomplete <https://argcomplete.readthedocs.io/>`_ for auto-completion.
+
+For global activation of all argcomplete enabled python applications run:
+
+.. code-block:: bash
+
+  sudo activate-global-python-argcomplete
+
+For permanent (but not global) airflow activation, use:
+
+.. code-block:: bash
+
+  register-python-argcomplete airflow >> ~/.bashrc
+
+For one-time activation of argcomplete for airflow only, use:
+
+.. code-block:: bash
+
+  eval "$(register-python-argcomplete airflow)"
 
 Review comment:
   Not sure as it would have to find out current Shell (bash/zsh - which might 
be easy) and then export that command to `.bash_rc` or `.bash_profile` or 
`.zshrc` etc by running some bash commands?

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