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Let complete show completions for one command if just given -c

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Currently only `complete` will list completions, and it will list all
of them.

That's a bit ridiculous, especially since `complete -c foo` just does nothing.

So just make `complete -c foo` list all the completions for `foo`.
This commit is contained in:
Fabian Homborg
2020-09-09 18:03:39 +02:00
parent 34be1b458a
commit a8e237f0f9
5 changed files with 92 additions and 52 deletions
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11
doc_src/cmds/complete.rst
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@@ -98,9 +98,10 @@ The ``-w`` or ``--wraps`` options causes the specified command to inherit comple
When erasing completions, it is possible to either erase all completions for a specific command by specifying ``complete -c COMMAND -e``, or by specifying a specific completion option to delete by specifying either a long, short or old style option.
When ``complete`` is called without anything that would define or erase completions, it shows matching completions instead. So ``complete`` without any arguments shows all loaded completions, ``complete -c foo`` shows all loaded completions for ``foo``. Since completions are :ref:`autoloaded <syntax-function-autoloading>`, you will have to trigger them first.
Example
-------
Examples
--------
The short style option ``-o`` for the ``gcc`` command requires that a file follows it. This can be done using writing:
@@ -151,5 +152,9 @@ To implement an alias, use the ``-w`` or ``--wraps`` option:
complete -c hub -w git
Now hub inherits all of the completions from git. Note this can also be specified in a function declaration.
Now hub inherits all of the completions from git. Note this can also be specified in a function declaration (``function thing -w otherthing``).
::
complete -c git
Show all completions for ``git``.