[chef] Knife bash completion

[Avishai Ish-Shalom < >]

Attached is a bash completion script for knife. 1st level command
completion is fast (and hardcoded), nth level is read from `knife sub
command --help` so it's a little slow.

If anyone feels like adding feature, please do.

-- 
Regards,
Avishai Ish-Shalom

# vim: ft=sh:ts=4:sw=4:autoindent:
# Author: Avishai Ish-Shalom 
<
 >

# first argument set the command level
_get_knife_completions() {
        n=$1
        shift
        # first argument is knife, so shift it
        [ "$1" == "knife" ] && shift
        local opts
        opts="$(knife $@ --help | grep -E '^knife'|cut -f$n -d" ")"
        _upvar opts "$opts"
}
_knife() {
        local opts cur prev cword words
        opts="bootstrap client configure cookbook data ec2 exec index node 
rackspace recipe role search slicehost ssh status terremark windows"
        _get_comp_words_by_ref cur prev cword words
        COMPREPLY=()
        case $prev in
        upload)
                if [[ -n $CHEF_REPOS ]]; then
                        opts=$( ls -1p 

 
 | sort -u | sed -n 's/\/$//p' )
                        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
                fi
                ;;
        *)
                case $cword in
                1)
                        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
                        return 0
                        ;;
                *)
                        _get_knife_completions $(( $cword + 1 )) ${words[*]}
                        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
                        return 0
                        ;;
                esac
                ;;
        esac
        [[ 

 
 -ge 1 ]] && return 0
}
complete -F _knife knife
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