117 lines
3.7 KiB
Bash
117 lines
3.7 KiB
Bash
# nmcli(1) completion
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_nmcli_array_delete_at()
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{
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eval "local ARRAY=(\"\${$1[@]}\")"
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local i
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local tmp=()
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local lower=$2
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local upper=${3:-$lower}
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# for some reason the following fails. So this clumsy workaround...
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# A=(a "")
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# echo " >> ${#A[@]}"
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# >> 2
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# A=("${A[@]:1}")
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# echo " >> ${#A[@]}"
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# >> 0
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# ... seriously???
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for i in "${!ARRAY[@]}"; do
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if [[ "$i" -lt "$2" || "$i" -gt "${3-$2}" ]]; then
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tmp=("${tmp[@]}" "${ARRAY[$i]}")
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fi
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done
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eval "$1=(\"\${tmp[@]}\")"
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}
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_nmcli()
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{
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local cur words cword i output
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_init_completion || return
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# we don't care about any arguments after the current cursor position
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# because we only parse from left to right. So, if there are some arguments
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# right of the cursor, just ignore them. Also don't care about ${words[0]}.
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_nmcli_array_delete_at words $((cword+1)) ${#words[@]}
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_nmcli_array_delete_at words 0
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# _init_completion returns the words with all the quotes and escaping
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# characters. We don't care about them, drop them at first.
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for i in ${!words[@]}; do
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words[i]="$(printf '%s' "${words[i]}" | xargs printf '%s\n' 2>/dev/null || true)"
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done
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# In case the cursor is not at the end of the line,
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# $cur consists of spaces that we want do remove.
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# For example: `nmcli connection modify id <TAB> lo`
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if [[ "$cur" =~ ^[[:space:]]+ ]]; then
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cur=''
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fi
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output="$(nmcli --complete-args "${words[@]}" 2>/dev/null)"
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# Bail out early if we're completing a file name
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if [ $? = 65 ]; then
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compopt -o default
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COMPREPLY=()
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return 0
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fi
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local IFS=$'\n'
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COMPREPLY=( $( compgen -W '$output' -- $cur ) )
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# Now escape special characters (spaces, single and double quotes),
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# so that the argument is really regarded a single argument by bash.
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# See http://stackoverflow.com/questions/1146098/properly-handling-spaces-and-quotes-in-bash-completion
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local escaped_single_quote="'\''"
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local i=0
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local entry
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for entry in ${COMPREPLY[*]}
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do
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if [[ "${cur:0:1}" == "'" ]]; then
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# started with single quote, escaping only other single quotes
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# [']bla'bla"bla\bla bla --> [']bla'\''bla"bla\bla bla
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COMPREPLY[$i]="${entry//\'/${escaped_single_quote}}"
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elif [[ "${cur:0:1}" == '"' ]]; then
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# started with double quote, escaping all double quotes and all backslashes
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# ["]bla'bla"bla\bla bla --> ["]bla'bla\"bla\\bla bla
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entry="${entry//\\/\\\\}"
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entry="${entry//\"/\\\"}"
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entry="${entry//!/\"\\!\"}"
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COMPREPLY[$i]="$entry"
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else
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# no quotes in front, escaping _everything_
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# [ ]bla'bla"bla\bla bla --> [ ]bla\'bla\"bla\\bla\ bla
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entry="${entry//\\/\\\\}"
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entry="${entry//\'/\'}"
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entry="${entry//\"/\\\"}"
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entry="${entry// /\\ }"
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entry="${entry//\(/\\(}"
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entry="${entry//)/\\)}"
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entry="${entry//!/\\!}"
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entry="${entry//&/\\&}"
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COMPREPLY[$i]="$entry"
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fi
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(( i++ ))
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done
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# Work-around bash_completion issue where bash interprets a colon
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# as a separator.
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# Colon is escaped here. Change "\\:" back to ":".
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# See also:
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# http://stackoverflow.com/questions/28479216/how-to-give-correct-suggestions-to-tab-complete-when-my-words-contains-colons
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# http://stackoverflow.com/questions/2805412/bash-completion-for-maven-escapes-colon/12495727
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i=0
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for entry in ${COMPREPLY[*]}
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do
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entry="${entry//\\\\:/:}"
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COMPREPLY[$i]=${entry}
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(( i++ ))
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done
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} &&
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complete -F _nmcli nmcli
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# ex: ts=4 sw=4 et filetype=sh
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