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116 lines
3 KiB
ReStructuredText
116 lines
3 KiB
ReStructuredText
==========================
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Linux Guide
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==========================
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Installation
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============
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You can install xonsh using ``conda``, ``pip``, or from source.
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**conda:**
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.. code-block:: bash
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$ conda config --add channels conda-forge
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$ conda install xonsh
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.. note:: For the bleeding edge development version use ``conda install -c xonsh/channel/dev xonsh``
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**pip:**
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.. code-block:: bash
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$ pip install xonsh
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**source:** Download the source `from github <https://github.com/scopatz/xonsh>`_
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(`zip file <https://github.com/scopatz/xonsh/archive/master.zip>`_), then run
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the following from the source directory,
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.. code-block:: bash
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$ python setup.py install
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Arch Linux users can install xonsh from the Arch User Repository with e.g.
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``yaourt``, ``aura``, ``pacaur``, ``PKGBUILD``, etc...:
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**yaourt:**
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.. code-block:: bash
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$ yaourt -Sa xonsh # yaourt will call sudo when needed
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**aura:**
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.. code-block:: bash
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$ sudo aura -A xonsh
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**pacaur:**
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.. code-block:: bash
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$ pacaur -S xonsh
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If you run into any problems, please let us know!
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.. include:: add_to_shell.rst
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.. include:: dependencies.rst
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Possible conflicts with Bash
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============================
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Depending on how your installation of Bash is configured, Xonsh may have trouble
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loading certain shell modules. Particularly if you see errors similar to this
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when launching Xonsh:
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.. code-block:: bash
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bash: module: line 1: syntax error: unexpected end of file
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bash: error importing function definition for `BASH_FUNC_module'
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bash: scl: line 1: syntax error: unexpected end of file
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bash: error importing function definition for `BASH_FUNC_scl'
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bash: module: line 1: syntax error: unexpected end of file
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bash: error importing function definition for `BASH_FUNC_module'
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bash: scl: line 1: syntax error: unexpected end of file
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bash: error importing function definition for `BASH_FUNC_scl'
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...You can correct the problem by unsetting the modules, by adding the following
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lines to your ``~/.bashrc file``:
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.. code-block:: bash
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unset module
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unset scl
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Default Ubuntu .bashrc breaks Foreign Shell Functions
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=====================================================
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Xonsh supports importing functions from foreign shells using the
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`ForeignShellFunctionAlias` class, which calls functions as if they were
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aliases. This is implemented by executing a command that sources the file
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containing the function definition and then immediately calls the function with
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any necessary arguments.
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The default user `~/.bashrc` file in Ubuntu 15.10 has the following snippet at
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the top, which causes the script to exit immediately if not run interactively.
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.. code-block:: bash
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# If not running interactively, don't do anything
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case $- in
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*i*) ;;
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*) return;;
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esac
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This means that any function you have added to the file after this point will be
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registered as a xonsh alias but will fail on execution. Previous versions of
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Ubuntu have a different test for interactivity at the top of the file that
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yields the same problem.
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