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60 lines
2.0 KiB
Bash
60 lines
2.0 KiB
Bash
#!/bin/bash
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#Not gonna lie, this is some magical stuff, but I will try to explain it
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#Automatic variables used by complete
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#COMPREPLY = An array of autocompletions to pass back to the shell
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#COMP_WORDS = The passed-in list of parameters
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#COMP_CWORD = The index of the current word as related to the count of
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#parameters
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#compgen = Generates an array of autocompletions to pass back to the shell
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#based on provided parameters
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function __completion() {
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COMPREPLY=()
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cur="${COMP_WORDS[COMP_CWORD]}"
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prev="${COMP_WORDS[COMP_CWORD-1]}"
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opts="list install remove"
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#Determine what "level" of autocomplete we are operating on
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#1 is no params
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#2 is 1 param, in this instance the command
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#3 etc
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case ${COMP_CWORD} in
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1)
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#Generate a Word-list from opts from the current word
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COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
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;;
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2)
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case ${prev} in
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install)
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#Generate a list of filenames (and append "all") based on the current
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#directory and current word while ignoring select files
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COMPREPLY=( $(compgen -W "all $(ls --ignore='*.md' --ignore='*.sh' --ignore='*.bash')" -- ${cur}) )
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;;
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remove)
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#Generate a list of filenames (and append "all") based on the
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#.git/hooks directory and current word while ignoring the sample
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#files
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COMPREPLY=( $(compgen -W "all $(ls ../.git/hooks --ignore='*.sample')" -- ${cur}) )
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;;
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esac
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;;
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3)
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case "${COMP_WORDS[COMP_CWORD-2]}" in
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install)
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#When attempting to autocomplete for the third parameter ie copy
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#/symbolic AND the command is install
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#Generate a list of Words from the provded string
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COMPREPLY=( $(compgen -W "copy symbolic" -- ${cur}) )
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;;
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esac
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;;
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esac
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}
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#Use the function defined above, when an autocomplete event for
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#./manage_hooks.sh is fired. This is why you must be in the proper directory
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complete -F __completion ./manage_hooks.sh
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