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docs: Some de-alienizing of the configuration section

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Still not happy with this, it's overwhelming!

Might have to split this into two - one with simple paths and rough
descriptions, and one with the full scoop for experts?
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Fabian Homborg 2021-07-20 21:03:55 +02:00
parent c4773d4052
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doc_src/index.rst
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@ -111,21 +111,21 @@ When fish is started, it reads and runs its configuration files. Where these are
The main file is ``~/.config/fish/config.fish`` (or more precisely ``$XDG_CONFIG_HOME/fish/config.fish``).
Configuration files are evaluated in the following order:
Configuration files are run in the following order:
- Configuration snippets in files ending in ``.fish``, in the directories:
- Configuration snippets (named ``*.fish``) in the directories:
- ``$__fish_config_dir/conf.d`` (by default, ``~/.config/fish/conf.d/``)
- ``$__fish_sysconf_dir/conf.d`` (by default, ``/etc/fish/conf.d/``)
- Directories for third-party software vendors to ship their own configuration snippets for their software. Fish searches the directories in the ``XDG_DATA_DIRS`` environment variable for a ``fish/vendor_conf.d`` directory; if that variable is not defined, the default is ``/usr/share/fish/vendor_conf.d`` and ``/usr/local/share/fish/vendor_conf.d``, unless your distribution customized this.
- Directories for other software to ship configuration snippets for their software. Fish searches the directories in the ``XDG_DATA_DIRS`` environment variable for a ``fish/vendor_conf.d`` directory; if that is not defined, the default is ``/usr/share/fish/vendor_conf.d`` and ``/usr/local/share/fish/vendor_conf.d``, unless your distribution customized this.
If there are multiple files with the same name in these directories, only the first will be executed.
They are executed in order of their filename, sorted (like globs) in a natural order (i.e. "01" sorts before "2").
- System-wide configuration files, where administrators can include initialization that should be run for all users on the system - similar to ``/etc/profile`` for POSIX-style shells - in ``$__fish_sysconf_dir`` (usually ``/etc/fish/config.fish``).
- User initialization, usually in ``~/.config/fish/config.fish`` (controlled by the ``XDG_CONFIG_HOME`` environment variable, and accessible as ``$__fish_config_dir``).
- System-wide configuration files, where administrators can include initialization for all users on the system - similar to ``/etc/profile`` for POSIX-style shells - in ``$__fish_sysconf_dir`` (usually ``/etc/fish/config.fish``).
- User configuration, usually in ``~/.config/fish/config.fish`` (controlled by the ``XDG_CONFIG_HOME`` environment variable, and accessible as ``$__fish_config_dir``).
``~/.config/fish/config.fish`` is sourced *after* the snippets. This is so users can copy snippets and override some of their behavior.
``~/.config/fish/config.fish`` is sourced *after* the snippets. This is so you can copy snippets and override some of their behavior.
These files are all executed on the startup of every shell. If you want to run a command only on starting an interactive shell, use the exit status of the command ``status --is-interactive`` to determine if the shell is interactive. If you want to run a command only when using a login shell, use ``status --is-login`` instead. This will speed up the starting of non-interactive or non-login shells.