#!/bin/bash
#
#  Helper script for completion, usage with tcsh:
#
#     complete osc 'p@*@`\osc.complete`@'
#
#  usage with bash
#
#     COMP_WORDBREAKS="${COMP_WORDBREAKS//:}"
#     complete -C osc.complete osc
#
#  Author: Werner Fink <werner@suse.de>
#

## For debugging only:
##  Choose your terminal not identical with the test terminal
## exec 2>/dev/pts/9
## set -x

set -o noclobber
shopt -s extglob
typeset -i last
typeset -i off
typeset -i count
typeset -i offset
typeset -i remove
typeset -i colon
typeset -r OIFS="$IFS"

if test "/proc/$PPID/exe" -ef /bin/tcsh ; then
    export COMP_TYPE=63
    export COMP_KEY=9
    export COMP_LINE="${COMMAND_LINE}"
    export COMP_POINT="${#COMMAND_LINE}"
    let colon=0
else
    COMMAND_LINE="${COMP_LINE:0:$COMP_POINT}"
#   let colon=1
    let colon=0
    [[ $COMMAND_LINE =~ \\: ]] && COMMAND_LINE="${COMMAND_LINE//\\:/:}"
fi
IFS="${IFS}="
cmdline=($COMMAND_LINE)
IFS="$OIFS"
test "${cmdline[0]}" != "osc" && exit 1

let last=${#COMMAND_LINE}
let last--
let count=${#cmdline[@]}
let count--
test "${COMMAND_LINE:$last}" = " " && let count++
unset last

oscopts=(--version --help --debugger --post-mortem --traceback --http-full-debug
    --debug --apiurl -A --config -c --no-keyring --no-gnome-keyring --verbose --quiet)
osccmds=(abortbuild add addremove aggregatepac api ar bco bl blt branch branchco
    bsdevelproject bse bugowner build buildconfig buildhist buildhistory buildinfo
    buildlog buildlogtail cat changedevelreq changedevelrequest checkin checkout
    chroot ci co commit config copypac cr createincident createrequest creq del
    delete deletereq deleterequest dependson detachbranch develproject di diff
    distributions dists dr dropreq droprequest getbinaries getpac help importsrcpkg
    info init jobhist jobhistory lbl ldiff less linkdiff linkpac linktobranch list
    LL localbuildlog log ls maintained maintainer maintenancerequest man mbranch
    meta metafromspec mkpac mr mv my patchinfo pdiff platforms pr prdiff prjresults
    projdiff projectdiff pull r rbl rblt rbuildlog rbuildlogtail rdelete rdiff
    rebuild rebuildpac releaserequest remotebuildlog remotebuildlogtail remove
    repairlink repairwc repos repositories repourls reqbs reqbugownership
    reqmaintainership reqms request requestbugownership requestmaintainership
    resolved results revert review rm rq rremove se search service setlinkrev
    signkey sm sr st status submitpac submitreq submitrequest tr triggerreason
    undelete unlock up update updatepacmetafromspec user vc whatdependson who whois
    wipebinaries)
oscreq=(list log show accept decline revoke reopen setincident supersede approvenew
    checkout clone)
oscrev=(show list add accept decline reopen supersede)
oscmy=(work pkg prj rq sr)

oscprj=""
oscpkg=""
lnkprj=""
lnkpkg=""
test -s ${PWD}/.osc/_project && read -t 1 oscprj < ${PWD}/.osc/_project
test -s ${PWD}/.osc/_package && read -t 1 oscpkg < ${PWD}/.osc/_package
if test -s ${PWD}/.osc/_files ; then
    lnkprj=$(command sed -rn '/<linkinfo/{s@.*[[:blank:]]project="([^"]+)".*@\1@p;}' < ${PWD}/.osc/_files)
    lnkpkg=$(command sed -rn '/<linkinfo/{s@.*[[:blank:]]package="([^"]+)".*@\1@p;}' < ${PWD}/.osc/_files)
fi

if test -s ~/.osc.projects ; then
    typeset -i ctime=$(command date -d "$(command stat -c '%z' ~/.osc.projects)" +'%s')
    typeset -i   now=$(command date -d now +'%s')
    if ((now - ctime > 86400)) ; then
	if tmp=$(mktemp ~/.osc.projects.XXXXXX) ; then
	    command osc ls / >| $tmp
	    mv -uf $tmp ~/.osc.projects
	fi
    fi
else
    command osc ls / >| ~/.osc.projects
fi

projects ()
{
    local -a list
    local -a argv
    local -i argc=0
    local arg
    for arg; do
	if test $arg == "--" ; then
	    let argc++
	    break
	fi
	argv[argc++]=$arg
    done
    shift $argc
    if test -n "$1" ; then
	list=($(command grep -E "^$1" ~/.osc.projects))
    else
	list=($(command cat ~/.osc.projects))
    fi
    if ((colon)) ; then
	builtin compgen -W "${list[*]}" "$1"|sed -r 's@([^\\]):@\1\\:@g'
    else
	builtin compgen -W "${list[*]}" -- ${1+"$@"}
    fi
}

packages ()
{
    local -a list
    local -a argv
    local -i argc=0
    local arg
    for arg; do
	if test $arg == "--" ; then
	    let argc++
	    break
	fi
	argv[argc++]=$arg
    done
    shift $argc
    if test -n "$1" ; then
	list=($(command osc ls ${argv[@]}|command grep -E "^$1"))
    else
	list=($(command osc ls ${argv[@]}))
    fi
    builtin compgen -W "${list[*]}" -- ${1+"$@"}
}

repositories ()
{
    local -a list
    local -a argv
    local -i argc=0
    local arg
    for arg; do
	if test $arg == "--" ; then
	    let argc++
	    break
	fi
	argv[argc++]=$arg
    done
    shift $argc
    if test -n "$1" ; then
	list=($(command osc meta prj ${argv[@]}|\
	        command sed -rn '/<repository/{s@^\s*<.*name="([^"]*)".*@\1@p}'|\
		command sort -u|command grep -E "^$1"))
    else
	list=($(command osc meta prj ${argv[@]}|\
	        command sed -rn '/<repository/{s@^\s*<.*name="([^"]*)".*@\1@p}'|\
		command sort -u))
    fi
    builtin compgen -W "${list[*]}" -- ${1+"$@"}
}

architectures ()
{
    local -a list
    local -a argv
    local -i argc=0
    local arg
    for arg; do
	if test $arg == "--" ; then
	    let argc++
	    break
	fi
	argv[argc++]=$arg
    done
    shift $argc
    if test -n "$1" ; then
	list=($(command osc meta prj ${argv[@]}|\
		command sed -rn '/<arch>/{s@^\s*<arch>(.*)</arch>@\1@p}'|\
		command sort -u|command grep -E "^$1"))
    else
	list=($(command osc meta prj ${argv[@]}|\
		command sed -rn '/<arch>/{s@^\s*<arch>(.*)</arch>@\1@p}'|\
		command sort -u))
    fi
    builtin compgen -W "${list[*]}" -- ${1+"$@"}
}

targets ()
{
    local -a targets=()
    local -a argv
    local -i argc=0
    local arg
    for arg; do
	if test $arg == "--" ; then
	    let argc++
	    break
	fi
	argv[argc++]=$arg
    done
    shift $argc
    let argc=0
    for arg in $(builtin compgen -o filenames -o bashdefault -f -X '.osc' -- ${1+"$@"}); do
	test -d $arg && targets[argc]=$arg/ || targets[argc]=$arg
	let argc++
    done
    builtin compgen -W "${argv[*]}${targets+ ${targets[*]}}" -- ${1+"$@"}
}

users ()
{
    if test -s ~/.osc.projects ; then
	command sed -rn "/^home:$1/{ s/^home:([^:]*):.*/\1/p}" ~/.osc.projects|command sort -u
    elif test -s ~/.oscrc; then
	command sed -rn '/^(user=)/{s/(user=)//p}' ~/.oscrc|command sort -u
    else
	command id -un
    fi
}

submit ()
{
    local -i pos=$1
    local target

    if ((pos == 1)) ; then
	if test -n "${oscprj}" -a -z "${cmdline[2]}" ; then
	    builtin compgen -W "${oscprj}" -- "${cmdline[2]}"
	else
	    if [[ -n "${oscprj}" && "${oscprj}" =~ "${cmdline[2]}" ]] ; then
		builtin compgen -W "${oscprj}" -- "${cmdline[2]}"
	    else
		projects -- "${cmdline[2]}"
	    fi
	fi
    elif ((pos == 2)) ; then
	if test -n "${oscpkg}" -a -z "${cmdline[3]}" ; then
	    builtin compgen -W "${oscpkg}" -- "${cmdline[3]}"
	else
	    if [[ -n "${oscpkg}" && "${oscpkg}" =~ "${cmdline[3]}" ]] ; then
		builtin compgen -W "${oscpkg}" -- "${cmdline[3]}"
	    else
		packages "${cmdline[2]}" -- "${cmdline[3]}"
	    fi
	fi
    elif ((pos == 3)) ; then
	if test -n "${lnkprj}" -a -z "${cmdline[4]}" ; then
	    builtin compgen -W "${lnkprj}" -- "${cmdline[4]}"
	else
	    projects -- "${cmdline[4]}"
	fi
    elif ((pos == 4)) ; then
	target="${lnkpkg}"
	target="${target:+$target }$oscpkg"
	if test -n "${target}" ; then
	    builtin compgen -W "${target}" -- "${cmdline[5]}"
	else
	    packages "${cmdline[4]}" -- "${cmdline[5]}"
	fi
    fi
}

#
# The main options
#
let remove=0
while test "${cmdline[1+remove]::1}" = "-" ; do
    case "${cmdline[1+remove]}" in
    -A|--apiurl)
	if ((count-remove == 1)); then
	    builtin compgen -W "${oscopts[*]}" -- "${cmdline[1+remove]}"
	    exit
	elif ((count-remove == 2)); then
	    if test -s ~/.oscrc ; then
		hints=($(sed -rn '/^(aliases=|\[http)/{s/,/ /g;s/(aliases=|\[|\])//gp}' ~/.oscrc|sort -u))
		builtin compgen -W "${hints[*]}" -- "${cmdline[2+remove]}"
	    else
		builtin compgen -P https:// -A hostname
	    fi
	    exit
	fi
	let remove+=2
	;;
    -c|--config)
	if ((count-remove == 1)); then
	    builtin compgen -W "${oscopts[*]}" -- "${cmdline[1+remove]}"
	    exit
	elif ((count-remove == 2)); then
	    builtin compgen -o filenames -o bashdefault -f -X '.osc' -- "${cmdline[2+remove]}"
	    exit
	fi
	let remove+=2
	;;
    -*)
	if ((count-remove == 1)); then
	    builtin compgen -W "${oscopts[*]}" -- "${cmdline[1+remove]}"
	    exit
	fi
 	let remove++
	;;
    *)	break
    esac
done
if ((remove)) ; then
    cmdline=(${cmdline[0]} ${cmdline[@]:remove+1})
    let count-=remove
    let remove=0
fi

case "${cmdline[1]}" in
add|addremove|ar)
    opts=(--help --recursive)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    else
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count >= 2)) ; then
	targets ${opts[*]} -- "${cmdline[count]}"
    fi
    ;;
build)
    opts=(--help --oldpackages --disable-cpio-bulk-download --release --baselibs 
	  --disable-debuginfo --debuginfo --alternative-project --vm-type --linksources 
	  --local-package --build-uid --userootforbuild --define --without --with 
	  --ccache --icecream --jobs --root --extra-pkgs --keep-pkgs --prefer-pkgs 
	  --noservice --no-service --no-verify --nochecks --no-checks --noinit --no-init 
	  --overlay --rsync-dest --rsync-src --no-changelog --preload --offline --clean)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--alternative-project)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			projects -- "${cmdline[count]}"
			exit
		    elif ((count-remove == off+2)) ; then
			repositories "${cmdline[off+1+remove]}" -- "${cmdline[off+2+$remove]}"
			exit
		    elif ((count-remove == off+3)) ; then
			architectures "${cmdline[off+1+remove]}" -- "${cmdline[off+3+remove]}"
			exit
		    fi
		    let remove+=4
		    ;;
		--define)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			builtin compgen -P "'" -S "'" -W 'macro\ definition' -- "${cmdline[off+1+remvoe]}"
			exit
		    elif ((count-remove == off+2)) ; then
			exit
		    fi
		    let remove+=3
		    ;;
		--@(root|oldpackages|keep-pkgs|prefer-pkgs|rsync-dest|rsync-src))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			builtin compgen -o dirnames -d -- ${cmdline[off+1+remove]}
			exit
		    fi
		    let remove+=2
		    ;; 
		--@(release|icecream|jobs|without|with|overlay))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;; 
		--build-uid)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			builtin compgen -W "399:399 $(id -u):$(id -g)" -- "${cmdline[off+2+remove]}"
			exit
		    fi
		    let remove+=2
		    ;; 
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi 
    if ((count == 2)) ; then
	specs=($(command ls *.spec))
	builtin compgen -W "${opts[*]} ${specs[*]}" -- "${cmdline[count]}"
    fi
    ;;
branch|getpac|bco|branchco)
    opts=(--help --revision --new-package --maintenance --noaccess --extend-package-names
	  --add-repositories --force --nodevelproject)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	case "${cmdline[1]}" in
	branch)	opts[${#opts[@]}]=--checkout
	esac
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--revision)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;; 
		--message) exit ;;
		-*)
		    if ((count-remove == off)) ; then
			((count >= 6)) && opts[${#opts[@]}]=--message
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[4]}"
	projects -- "${cmdline[4]}"
    elif ((count == 5)) ; then
	packages "${cmdline[4]}" -- "${cmdline[5]}"
    elif ((count == 6)) ; then
	builtin compgen -W "--message ${opts[*]}" -- "${cmdline[6]}"
    fi
    ;;
list|ls|ll|LL)
    opts=(--help --meta --deleted --long --verbose --unexpand --expand --binaries
	  --repo --revision --arch)
    if ((count == 1)) ; then
	builtin compgen -W 'list ls ll LL' -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(revision|repo|arch))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;; 
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
 	    projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	packages -u "${cmdline[2]}" "${cmdline[3]}" -- "${cmdline[4]}"
    else
	builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
    fi
    ;;
less|cat)
    opts=(--help --meta --unexpand --expand --revision)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--revision)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;; 
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	    projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	packages -u "${cmdline[2]}" "${cmdline[3]}" -- "${cmdline[4]}"
    else
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
    fi
    ;;
sr|submitpac|submitreq|submitrequest)
    opts=(--help --yes --diff --no-update --no-cleanup --cleanup --seperate-requests
	  --nodevelproject --supersede --revision)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(revision|supersede))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;; 
		--message) exit ;;
		-*)
		    if ((count-remove == off)) ; then
			((count >= 6)) && opts[${#opts[@]}]=--message
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count >= 2 && count <= 5)) ; then
	if ((count == 2)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	fi
	submit $((count-1)) 1
    elif ((count == 6)) ; then
	builtin compgen -W "--message ${opts[*]}" -- "${cmdline[6]}"
    fi
    ;;
rq|request|review)
    opts=(--help --involved-projects --exclude-target-project --non-interactive --interactive --edit)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	while test "${cmdline[2+remove]::1}" = "-" ; do
	    case "${cmdline[2+remove]}" in
	    --exclude-target-project)
		if ((count-remove == 2)); then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		elif ((count-remove == 3)) ; then
		    builtin echo -n EXCLUDE_TARGET_PROJECT
		    exit
		fi
		let remove+=2
		;; 
	    -*)
		if ((count-remove == 2)) ; then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		fi
		let remove++
	    esac
	done
	if ((remove)) ; then
	    cmdline=(${cmdline[*]:0:2} ${cmdline[@]:remove+2})
	    let count-=remove
	    let remove=0
	fi
    fi
    case "${cmdline[2]}" in
    log|checkout)
	opts=(--help)
	if ((count == 2)) ; then
	    builtin compgen -W 'log checkout' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    -*)
			if ((count-remove == off)) ; then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	    builtin echo -n 'ID'
	else
	    builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
	fi
	;;
    revoke|clone)
	opts=(--help)
	if ((count == 2)) ; then
	    builtin compgen -W 'revoke clone' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    --message) exit ;;
		    -*)
			if ((count-remove == off)) ; then
			    ((count >= 4)) && opts[${#opts[@]}]=--message
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	    builtin echo -n 'ID'
	elif ((count == 4)) ; then
	    builtin compgen -W "--message ${opts[*]}" -- "${cmdline[4]}"
	fi
	;;
    setincident)
	opts=(--help)
	if ((count == 2)) ; then
	    builtin compgen -W 'setincident' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    --message) exit ;;
		    -*)
			if ((count-remove == off)) ; then
			    ((count >= 4)) && opts[${#opts[@]}]=--message
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	    builtin echo -n 'ID'
	elif ((count == 4)) ; then
	    builtin echo -n 'INCIDENT'
	elif ((count == 5)) ; then
	    builtin compgen -W "--message ${opts[*]}" -- "${cmdline[5]}"
	fi
	;;
    supersede|add|accept|decline|reopen)
	case "${cmdline[1]}" in
	rq|request) opts=() ;;
	review)     opts=(--user --group --project --package)
	esac
	if ((count == 2)) ; then
	    builtin compgen -W 'supersede add accept decline reopen' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    typeset -i supersede=0
	    case "${cmdline[2]}" in
	    supersede)	let supersede=1
	    esac
	    typeset project=""
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    --user)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) ; then
			    user=($(users ${cmdline[off+1+remove]}))
			    builtin compgen -W "${user[*]}" -- ${cmdline[off+1+remove]}
			fi
			let remove+=2
			;;
		    --group)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			    hint="${cmdline[off+remove]^^}"
			    builtin echo -n ${hint##*-}
			    exit
			fi
			let remove+=2
			;;
		    --project)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) ; then
			    projects -- "${cmdline[off+1+remove]}"
			    exit
			else
			    project="${cmdline[off+1+remove]}"
			fi
			let remove+=2
			;;
		    --package)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) ; then
			    test -z "$project" && project=PROJECT_REQUIRED
			    packages -u "$project" -- "${cmdline[off+1+remove]}"
			    exit
			fi
			let remove+=2
			;;
		    --message) exit ;;
		    -*)
			if ((count-remove == off)) ; then
			    ((count >= 4)) && opts[${#opts[@]}]=--message
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts+${opts[*]} }ID" -- "${cmdline[3]}"
	elif ((count == 4)) ; then
	    if ((supersede)) ; then
		builtin echo -n 'SUPERSEDING_ID'
	    else
		builtin compgen -W '--message' -- "${cmdline[4]}"
	    fi
	elif ((count == 5 && supersede)) ; then
	    builtin compgen -W '--message' -- "${cmdline[5]}"
	fi
	;;
    approvenew)
	opts=(--help)
	if ((count == 2)) ; then
	    builtin compgen -W 'approvenew' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    --message) exit ;;
		    -*)
			if ((count-remove == off)) ; then
			    ((count >= 4)) && opts[${#opts[@]}]=--message
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	    projects -- "${cmdline[3]}"
	elif ((count == 4)) ; then
	    builtin compgen -W "--message ${opts[*]}" -- "${cmdline[4]}"
	fi
	;;
    show)
	opts=(--diff --brief --source-buildstatus)
	if ((count == 2)) ; then
	    builtin compgen -W 'show' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    -*)
			if ((count-remove == off)) ; then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=("${cmdline[@]:0:off}" "${cmdline[@]:remove+off}")
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts[*]} ID" -- "${cmdline[3]}"
	else
	    builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
	fi
	;;
    list)
	case "${cmdline[1]}" in
	rq|request) opts=(--mine --user --state -days --type --bugowner) ;;
	review)     opts=(--user --group --project --package)
	esac
	if ((count == 2)) ; then
	    builtin compgen -W 'list' -- "${cmdline[count]}"
	elif ((count >= 3)) ; then
	    typeset project=""
	    for ((off=3; off<=count; off++)) ; do
		while test "${cmdline[off+remove]::1}" = "-" ; do
		    case "${cmdline[off+remove]}" in
		    --user)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) ; then
			    user=($(users ${cmdline[off+1+remove]}))
			    builtin compgen -W "${user[*]}" -- ${cmdline[off+1+remove]}
			fi
			let remove+=2
			;;
		    --group)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			    hint="${cmdline[off+remove]^^}"
			    builtin echo -n ${hint##*-}
			    exit
			fi
			let remove+=2
			;;
		    --project)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) ; then
			    projects -- "${cmdline[off+1+remove]}"
			    exit
			else
			    project="${cmdline[off+1+remove]}"
			fi
			let remove+=2
			;;
		    --package)
			if ((count-remove == off)); then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			elif ((count-remove == off+1)) ; then
			    test -z "$project" && project=PROJECT_REQUIRED
			    packages -u "$project" -- "${cmdline[off+1+remove]}"
			    exit
			fi
			let remove+=2
			;;
		    -*)
			if ((count-remove == off)) ; then
			    builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			    exit
			fi
			let remove++
		    esac
		done
		if ((remove)) ; then
		    cmdline=("${cmdline[@]:0:off}" "${cmdline[@]:remove+off}")
		    let count-=remove
		    let remove=0
		fi
	    done
	fi
	if ((count == 3)) ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	    projects -- "${cmdline[3]}"
	fi
	if ((count == 4)) ; then
	    packages -u "${cmdline[3]}" -- "${cmdline[4]}"
	fi
	;;
    *)
	if ((count == 2)) ; then
	    case "${cmdline[1+remove]}" in
	    rq|request) builtin compgen -W "${opts[*]} ${oscreq[*]}" -- "${cmdline[2]}" ;;
	    review)	builtin compgen -W "${opts[*]} ${oscrev[*]}" -- "${cmdline[2]}" ;;
	    esac
	fi
    esac
    ;;
my)
    opts=(--help --maintained --verbose --exclude-project --user --all --maintainer --bugowner)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--user)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			user=($(users ${cmdline[off+1+remove]}))
			builtin compgen -W "${user[*]}" -- ${cmdline[off+1+remove]}
		    fi
		    let remove+=2
		    ;;
		--exclude-project)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			projects -- "${cmdline[off+1+remove]}"
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]} ${oscmy[*]}" -- "${cmdline[2]}"
    elif ((count >= 3)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
    fi
    ;;
copypac|linkpac)
    opts=(--help --expand --to-apiurl --revision --keep-develproject --keep-link
	  --keep-maintainers --client-side-copy)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(revision|to-apiurl))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	projects -- "${cmdline[4]}"
    elif ((count == 5)) ; then
	packages"${cmdline[4]}" -- "${cmdline[5]}"
    elif ((count == 6)) ; then
	builtin compgen -W "--message ${opts[*]}" -- "${cmdline[6]}"
    fi
    ;;
delete)
    opts=(--help --force)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    else
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count >= 2)) ; then
	targets ${opts[*]} -- "${cmdline[count]}"
    fi
    ;;
deleterequest|deletereq|droprequest|dropreq|dr)
    typeset -i repository=0
    opts=(--help --repository --message)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count == 2)) ; then
	projects -- "${cmdline[2]}"
    elif ((count >= 3)) ; then
	for ((off=3; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--repository)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    let repository++
		    ;;
		--message) exit ;;
		-*)
		    if ((count-remove == off)) ; then
			((count >= 4)) && opts[${#opts[@]}]=--message
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 3)) ; then
	if ((repository)) ; then
	    builtin compgen -W '--message' -- "${cmdline[4]}"
	else
	    builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	    packages "${cmdline[2]}" -- "${cmdline[3]}"
	fi
    elif ((count == 4)) ; then
	builtin compgen -W "--message ${opts[*]}" -- "${cmdline[4]}"
    fi
    ;;
changedevelrequest|changedevelreq|cr)
    opts=(--help)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[4]}"
    elif ((count == 5)) ; then
	packages "${cmdline[4]}" -- "${cmdline[5]}"
    fi
    ;;
rdiff)
    opts=(--help --unexpand --missingok --change --plain --revision --meta)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(revision|change))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[4]}"
	projects -- "${cmdline[4]}"
    elif ((count == 5)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[5]}"
	packages "${cmdline[4]}" -- "${cmdline[5]}"
    fi
    ;;
ci|commit|checkin)
    opts=(--help --skip-local-service-run --noservice --verbose --skip-validation --force
	  --file --message)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--file)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		--message) exit ;;
		-*)
		    if ((count-remove == off)) ; then
			((count >= 3)) && opts[${#opts[@]}]=--message
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	targets ${opts[*]} -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	builtin compgen -W "--message ${opts[*]}" -- "${cmdline[3]}"
    fi
    ;;
co|checkout)
    opts=(--help --limit-size --server-side-source-service-files --source-service-files
	  --output-dir --current-dir --meta --unexpand-link --expand-link --revision)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(output-dir|revision))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		    ;;
		*)	break
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count == 4)) ; then
	packages "${cmdline[2]}" "${cmdline[3]}" -- "${cmdline[4]}"
    fi
    ;;
maintainer)
    opts=(--help --role --delete --set-bugowner-request --set-bugowner --all --add
	  --devel-project --verbose --nodevelproject --email --bugowner --bugowner-only)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(delete|set-bugowner-request|set-bugowner|add|devel-projec))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		--devel-projec)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			projects -- "${cmdline[off+1+remove]}"
			exit
		    fi
		    let remove+=2
		    ;;
		--role)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			builtin compgen -W 'bugowner maintainer involved' -- "${cmdline[off+1+remove]}"
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count > 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
	if ((count == 3)) ; then
	    packages "${cmdline[2]}" -- "${cmdline[3]}"
	fi
    fi
    ;;
up|update)
    opts=(--help --limit-size --server-side-source-service-files --source-service-files
	  --expand-link --unexpand-link --revision)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	while test "${cmdline[2+remove]::1}" = "-" ; do
	    case "${cmdline[2+remove]}" in
	    --revision)
		if ((count-remove == 2)); then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		elif ((count-remove == 3)) && test -z "${cmdline[3+remove]}" ; then
		    hint="${cmdline[2+remove]^^}"
		    builtin echo -n ${hint##*-}
		    exit
		fi
		let remove+=2
		;;
	    -*)
		if ((count-remove == 2)) ; then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		fi
		let remove++
	    esac
	done
    fi
    builtin  compgen -W "${opts[*]}" -- "${cmdline[count]}"
    ;;
meta)
    opts=(--help --delete --set --remove-linking-repositories --create --edit --file
	  --force --attribute-project --attribute-defaults --attribute)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(attribute|file))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		--set)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			builtin echo -n ATTRIBUTE_VALUES
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W 'prj pkg prjconf user pattern attribute' -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	if test "${cmdline[2]}" = user ; then
	    user=($(users ${cmdline[3]}))
	    builtin compgen -W "${user[*]}" -- ${cmdline[3]}
	else
	    projects -- "${cmdline[3]}"
	fi
    elif ((count == 4)) ; then
	if test "${cmdline[2]}" = pkg ; then
	    packages "${cmdline[3]}" -- "${cmdline[4]}"
	elif test "${cmdline[2]}" = attribute ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[4]}"
	    packages "${cmdline[3]}" -- "${cmdline[4]}"
	elif test "${cmdline[2]}" = user ; then
	    user=($(users ${cmdline[4]}))
	    builtin compgen -W "${user[*]}" -- ${cmdline[4]}
	else
	    builtin compgen -W "${opts[*]}" -- ${cmdline[4]}
	fi
    elif ((count == 5)) ; then
	builtin compgen -W "${opts[*]}" -- ${cmdline[5]}
    fi
    ;;
wipebinaries)
    opts=(--help --all --unresolvable --broken --build-failed --build-disabled --repo --arch)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(repo|arch))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count-remove == 3)) ; then
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    fi
    ;;
help)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    else
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[2]}"
    fi
    ;;
search)
    opts=(--help --all --binaryversion --baseproject --binary --csv --mine
	  --maintained --maintainer --bugowner --involved --version --verbose
	  --limit-to-attribute --description --title --project --package
	  --substring --exact --repos-baseurl)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	while test "${cmdline[2+remove]::1}" = "-" ; do
	    case "${cmdline[2+remove]}" in
	    --@(binaryversion|baseproject|limit-to-attribute))
		if ((count-remove == 2)); then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		elif ((count-remove == 3)) && test -z "${cmdline[3+remove]}" ; then
		    hint="${cmdline[2+remove]^^}"
		    builtin echo -n ${hint##*-}
		    exit
		fi
		let remove+=2
		;;
	    --@(maintainer|bugowner|involved))
		if ((count-remove == 2)); then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		elif ((count-remove == 3)) ; then
		    user=($(users ${cmdline[3+remove]}))
		    builtin compgen -W "${user[*]}" -- ${cmdline[3+remove]}
		fi
		let remove+=2
		;;
	    -*)
		if ((count-remove == 2)) ; then
		    builtin compgen -W "${opts[*]}" -- "${cmdline[2+remove]}"
		    exit
		fi
		let remove++
	    esac
	done
    fi
    if ((count-remove == 2)) ; then
	builtin compgen -W "${opts[*]} SEARCH_TERM" -- "${cmdline[count]}"
    fi
    ;;
pr|prjresults)
    opts=(--help --show-excluded --vertical --repo --arch --name-filter --status-filter
	  --xml --csv --hide-legend)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[2]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(repo|arch))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		--name-filter)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			builtin echo -n EXPR
			exit
		    fi
		    let remove+=2
		    ;;
		--status-filter)
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) ; then
			status=(disabled failed finished building succeeded broken scheduled unresolvable signing blocked)
			builtin compgen -W  "${status[*]}" -- "${cmdline[off+1+remove]}"
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    else
	builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
    fi
    ;;
r|results)
    opts=(--help --format --csv --xml --watch --verbose --arch --repo --last-build)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(repo|arch|format))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count > 3)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
    fi
    ;;
diff|linkdiff)
    opts=(--help --missingok --link --plain --revision --change)
    typeset -i link=0
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	case "${cmdline[1]}" in
	linkdiff) let link++ ;;
	esac
	for ((off=2; off<=count; off++)) ; do
	    while test "${cmdline[off+remove]::1}" = "-" ; do
		case "${cmdline[off+remove]}" in
		--@(revision|change))
		    if ((count-remove == off)); then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    elif ((count-remove == off+1)) && test -z "${cmdline[off+1+remove]}" ; then
			hint="${cmdline[off+remove]^^}"
			builtin echo -n ${hint##*-}
			exit
		    fi
		    let remove+=2
		    ;; 
		--link)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		    let link++
		    ;;
		-*)
		    if ((count-remove == off)) ; then
			builtin compgen -W "${opts[*]}" -- "${cmdline[off+remove]}"
			exit
		    fi
		    let remove++
		esac
	    done
	    if ((remove)) ; then
		cmdline=(${cmdline[*]:0:off} ${cmdline[@]:remove+off})
		let count-=remove
		let remove=0
	    fi
	done
    fi
    if ((count == 2)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[2]}"
	((link)) && projects -- "${cmdline[2]}"
    elif ((count == 3)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[3]}"
	((link)) && packages "${cmdline[2]}" -- "${cmdline[3]}"
    elif ((count > 3)) ; then
	builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
    fi
    ;;
*)
    opts=(--help)
    if ((count == 1)) ; then
	builtin compgen -W "${osccmds[*]} ${oscopts[*]}" -- "${cmdline[count]}"
    elif ((count >= 2)) ; then
	if test "${cmdline[count]::1}" = "-" ; then
	    builtin compgen -W "${opts[*]}" -- "${cmdline[count]}"
	else
	    targets ${opts[*]} -- "${cmdline[count]}"
	fi
    fi 
esac