diff options
Diffstat (limited to 'src/nmcli/nmcli-completion')
| -rw-r--r-- | src/nmcli/nmcli-completion | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/nmcli/nmcli-completion b/src/nmcli/nmcli-completion new file mode 100644 index 00000000..83ec1e3c --- /dev/null +++ b/src/nmcli/nmcli-completion @@ -0,0 +1,116 @@ +# nmcli(1) completion + +_nmcli_array_delete_at() +{ + eval "local ARRAY=(\"\${$1[@]}\")" + local i + local tmp=() + local lower=$2 + local upper=${3:-$lower} + + # for some reason the following fails. So this clumsy workaround... + # A=(a "") + # echo " >> ${#A[@]}" + # >> 2 + # A=("${A[@]:1}") + # echo " >> ${#A[@]}" + # >> 0 + # ... seriously??? + + for i in "${!ARRAY[@]}"; do + if [[ "$i" -lt "$2" || "$i" -gt "${3-$2}" ]]; then + tmp=("${tmp[@]}" "${ARRAY[$i]}") + fi + done + eval "$1=(\"\${tmp[@]}\")" +} + +_nmcli() +{ + local cur prev words cword i output + _init_completion || return + + # we don't care about any arguments after the current cursor position + # because we only parse from left to right. So, if there are some arguments + # right of the cursor, just ignore them. Also don't care about ${words[0]}. + _nmcli_array_delete_at words $((cword+1)) ${#words[@]} + _nmcli_array_delete_at words 0 + + # _init_completion returns the words with all the quotes and escaping + # characters. We don't care about them, drop them at first. + for i in ${!words[@]}; do + words[i]="$(printf '%s' "${words[i]}" | xargs printf '%s\n' 2>/dev/null || true)" + done + + # In case the cursor is not at the end of the line, + # $cur consists of spaces that we want do remove. + # For example: `nmcli connection modify id <TAB> lo` + if [[ "$cur" =~ ^[[:space:]]+ ]]; then + cur='' + fi + + output="$(nmcli --complete-args "${words[@]}" 2>/dev/null)" + + # Bail out early if we're completing a file name + if [ $? = 65 ]; then + compopt -o default + COMPREPLY=() + return 0 + fi + + local IFS=$'\n' + COMPREPLY=( $( compgen -W '$output' -- $cur ) ) + + # Now escape special characters (spaces, single and double quotes), + # so that the argument is really regarded a single argument by bash. + # See http://stackoverflow.com/questions/1146098/properly-handling-spaces-and-quotes-in-bash-completion + local escaped_single_quote="'\''" + local i=0 + local entry + for entry in ${COMPREPLY[*]} + do + if [[ "${cur:0:1}" == "'" ]]; then + # started with single quote, escaping only other single quotes + # [']bla'bla"bla\bla bla --> [']bla'\''bla"bla\bla bla + COMPREPLY[$i]="${entry//\'/${escaped_single_quote}}" + elif [[ "${cur:0:1}" == '"' ]]; then + # started with double quote, escaping all double quotes and all backslashes + # ["]bla'bla"bla\bla bla --> ["]bla'bla\"bla\\bla bla + entry="${entry//\\/\\\\}" + entry="${entry//\"/\\\"}" + entry="${entry//!/\"\\!\"}" + COMPREPLY[$i]="$entry" + else + # no quotes in front, escaping _everything_ + # [ ]bla'bla"bla\bla bla --> [ ]bla\'bla\"bla\\bla\ bla + entry="${entry//\\/\\\\}" + entry="${entry//\'/\'}" + entry="${entry//\"/\\\"}" + entry="${entry// /\\ }" + entry="${entry//\(/\\(}" + entry="${entry//)/\\)}" + entry="${entry//!/\\!}" + entry="${entry//&/\\&}" + COMPREPLY[$i]="$entry" + fi + (( i++ )) + done + + # Work-around bash_completion issue where bash interprets a colon + # as a separator. + # Colon is escaped here. Change "\\:" back to ":". + # See also: + # http://stackoverflow.com/questions/28479216/how-to-give-correct-suggestions-to-tab-complete-when-my-words-contains-colons + # http://stackoverflow.com/questions/2805412/bash-completion-for-maven-escapes-colon/12495727 + i=0 + for entry in ${COMPREPLY[*]} + do + entry="${entry//\\\\:/:}" + COMPREPLY[$i]=${entry} + (( i++ )) + done + +} && +complete -F _nmcli nmcli + +# ex: ts=4 sw=4 et filetype=sh |