55 lines
2.6 KiB
Bash
55 lines
2.6 KiB
Bash
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# Invoke (pyinvoke.org) tab-completion script to be sourced with Bash shell.
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# Copyright (c) 2020 Jeff Forcier.
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# https://github.com/pyinvoke/invoke/blob/master/completion/bash
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_complete_invoke() {
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local candidates
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# COMP_WORDS contains the entire command string up til now (including
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# program name).
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# We hand it to Invoke so it can figure out the current context: spit back
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# core options, task names, the current task's options, or some combo.
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candidates=`invoke --complete -- ${COMP_WORDS[*]}`
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# `compgen -W` takes list of valid options & a partial word & spits back
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# possible matches. Necessary for any partial word completions (vs
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# completions performed when no partial words are present).
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#
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# $2 is the current word or token being tabbed on, either empty string or a
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# partial word, and thus wants to be compgen'd to arrive at some subset of
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# our candidate list which actually matches.
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#
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# COMPREPLY is the list of valid completions handed back to `complete`.
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COMPREPLY=( $(compgen -W "${candidates}" -- $2) )
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}
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# Tell shell builtin to use the above for completing 'inv'/'invoke':
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# * -F: use given function name to generate completions.
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# * -o default: when function generates no results, use filenames.
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# * positional args: program names to complete for.
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complete -F _complete_invoke -o default invoke inv
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