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# Nice mappings to restart/... the services
Start Stop Reload Restart ()
{
    local SUDO

    [[ $UID != 0 ]] && SUDO="sudo"
    $SUDO /etc/init.d/$1 ${0:l}
}

# Quick find
f() 
{
    echo "find . -iname \"*$1*\""
    find . -iname "*$1*"
}

# Change to the directory of a specific package
_cdu ()
{
    cd ${1:h}
}

# unpacks a specific package
_unpack ()
{
    ebuild $1 clean unpack
}

# Open the ebuild with a specified command
open_ebuild ()
{
    local ebuild sel
    local -a elist

    if [[ $# -lt 2 ]]; then
        echo "No package name given."
        return 4
    fi

    ebuild="$(equery w $2 2>&1 )"
    if [[ $? -ne 0 ]]; then
        if [[ $ebuild == *"Ambiguous"* ]]; then
            elist=(${(f)ebuild})
            
            # remove the first line
            shift elist

            echo "Ambiguous package name '$2' -- choose from: "
            cat -n <<< ${(F)elist}
            read "sel?Selection: "
            
            if [[ -z $elist[$sel] ]]; then
                echo "Invalid choice."
                return 1
            else
                # the "=" is needed to strip the leading spaces and the quotes
                open_ebuild $1 ${=elist[$sel]}
                return $?
            fi
        
        elif [[ $ebuild == *"No packages matching"* ]]; then
            echo "Trying masked packages too..."
            ebuild=$(equery  w -m $2 2>&1)
        fi
    fi

    if [[ $? -eq 0 ]]; then
        $1 $ebuild
    else
        echo "No ebuild found"
    fi
}

# Commit a new config change
# Works only for simple cases
cci ()
{
    _ask_$0 ()
    {
        echo -n "Is this ok? [y/n] "
    
        if ! read -q; then
            echo
            echo "I would have done the wrong thing ... aborting!"
            return 2
        else
            echo
        fi
    }

    if [[ $# == 0 ]]; then
        echo "No message given. Aborting."
        return 1
    fi

    local message=$1
    local tok=__cci__
    
    pushd -q ~

    local indexed="$(config status --porcelain | grep -v '^ ')"

    if [[ -n $indexed ]]; then
        echo ">> Stuff in index -- only commiting this"
        echo "$indexed"
        _ask_$0 || return 2
    else
        echo ">> Nothing in index -- commiting everything which has changed"
        echo "$(config status)"

        _ask_$0 || return 2
        config add -u
    fi

    cstg diff -O --cached
    _ask_$0 || return 2

    echo ">> Creating new patch"
    cstg new $tok -m "$message"
    
    echo ">> Refreshing"
    cstg refresh -i

    if [[ -z $(cstg files) ]]; then
        echo
        echo "Ehm - this patch is empty. Narf. Aborting!"
        echo "Deleting useless patch"
        cstg del $tok
        return 3
    fi

    echo ">> Committing"
    cstg commit $tok
    
    if [[ -n $(cstg series --applied) ]]; then
        echo
        echo "Urgs! Something went wrong. There are still patches applied."
        echo "Clean up for yourself. Aborting here!"
        return 4
    fi
    
    echo ">> Pushing to remote"
    config push

    echo ">> Re-apply patches"
    cstg push -a -k

    echo ">> Done"

    popd -q
}

check_libs()
{
    for i in $(ps -A -o pid | tail -n +2); do
        pmap $i | grep deleted && echo $(ps $i)
    done
}

menc()
{
    local p

    read -rs "p?Password: "
    echo

    echo "Loading ~/schreiben/"
    echo $p | encfs --stdinpass ~/.enc/schreiben/ ~/schreiben/

    unset p
}

# list the current enabled gcc flags
# based on a script by mv
list_cc_flags()
{
    local funcname=${0##*/}

    _Usage_$0 ()
    {
        printf '%s\n' "Usage: $funcname c|o [gcc-Flags e.g. -march=native -O2]
        Show which compile|optimization flags are selected when you chose gcc-Flags"
        return ${1:-1}
    }

    case "${1}" in
        c)
            shift
            gcc -v -c -Q "${@}" -o /dev/null -x c - 2>&1 <<PROG
int main(){return 0;}
PROG
            ;;
        o)
            shift
            gcc -c -Q "${@}" -o /dev/null --help=optimizer 2>&1;;
        *)  _Usage_$0;;
    esac
}

# set job count to 1 if there is only one package to install
emerge()
{
    if [[ $# < 3 ]]; then
        command emerge --jobs=1 $@
    else
        command emerge $@
    fi
}