yast/yast-yast2

# yast2 completion
# A Christmas gift from Carsten Hoeger

YAST=/sbin/yast
YAST_MODLIST=()

_yast2 ()
{
        local cur prevprev prev len idx mod MODOPTS line opt rest
        MODOPTS=()
    if test ${#YAST_MODLIST[*]} = 0; then
        # build a list of know yast modules
        YAST_MODLIST=($(LC_ALL=C $YAST -l| grep '^[a-z]' | grep -v "Available"))
    fi

    if [[ ${#COMP_WORDS[@]} -gt 4 ]]; then
        return 0
    fi
        cur=${COMP_WORDS[COMP_CWORD]}
        prev=${COMP_WORDS[COMP_CWORD-1]}
    if [[ ${#COMP_WORDS[@]} -ge 3 && $COMP_CWORD -ge 2 ]]; then
        prevprev=${COMP_WORDS[COMP_CWORD-2]}
    fi
        if [[ $cur == '-' ]]; then
                COMPREPLY=(-h -l -g -s)
                return 0
        fi

    # do not use module names to complete when enetering a package name
    # zypper should handle package completion
    # see bug #341706
    if [ "$prev" = "-i" -o "$prevprev" = "-i" -o "$prev" = "--install" -o "$prevprev" = "--install" \
      -o "$prev" = "--remove" -o "$prevprev" = "--remove" \
      -o "$prev" = "--update" -o "$prevprev" = "--update" ]; then
        return 0;
    fi

    # iterate through all yast modules
    for mod in ${YAST_MODLIST[@]}; do
        # if argument before last argument is a yast module, 
        # check it's available options
        if [[ -n $prevprev && $prevprev == $mod ]]; then
        # build option list
        # prev is a module option
                MODOPTS=(`LC_ALL=C $YAST $mod $prev help 2>&1 | while read line ; do
                    case "$line" in
                        Options:*)
                        while read opt rest ; do
                            case "$opt" in
                                "") break 2 ;;
                                *)  echo "$opt"
                            esac
                        done
                        ;;
                    esac
                done `)
        len=${#cur}
        idx=0
        for pval in ${MODOPTS[@]}; do
            if [[ "$cur" == "${pval:0:$len}" ]]; then
                        COMPREPLY[$idx]=$pval
                        idx=$[$idx+1]
            fi
        done
        return 0
        fi
        # previous option is a known yast module?
        if [[ $prev == $mod ]]; then
        # build option list
                MODOPTS=(` LC_ALL=C $YAST $mod help 2>&1 | while read line ; do
                    case "$line" in
                        Basic\ Syntax:*)
                        while read rest rest opt rest ; do
                            case "$opt" in
                                \<*\>) ;;
                                "") break ;;
                                *)  echo "$opt"
                            esac
                        done
                        ;;
                        Commands:*)
                        while read opt rest ; do
                            case "$opt" in
                                "") break 2 ;;
                                *)  echo "$opt"
                            esac
                        done
                        ;;
                    esac
                done `)
        len=${#cur}
        idx=0
        for pval in ${MODOPTS[@]}; do
            if [[ "$cur" == "${pval:0:$len}" ]]; then
                        COMPREPLY[$idx]=$pval
                        idx=$[$idx+1]
            fi
        done
        return 0
        fi
    done

        len=${#cur}
        idx=0
        for pval in ${YAST_MODLIST[@]}; do
                if [[ "$cur" == "${pval:0:$len}" ]]; then
                        COMPREPLY[$idx]=$pval
                        idx=$[$idx+1]
                fi
        done
        return 0
}
complete -F _yast2 yast2
complete -F _yast2 yast