A patch to bash-completion version 1.3 (http://bash-completion.alioth.debian.org/). Adds completions for Mac OS X specific utilities: defaults, launchctl, open, and xcodebuild. Additionally, it properly enables killall.

mac-bash-completion.patch

diff -Naur bash-completion-1.3/completions/Makefile.am bash-completion-1.3-mac/completions/Makefile.am
--- bash-completion-1.3/completions/Makefile.am	2011-01-21 04:36:11.000000000 -0500
+++ bash-completion-1.3-mac/completions/Makefile.am	2011-02-22 22:02:25.000000000 -0500
@@ -33,6 +33,7 @@
 		cvs \
 		cvsps \
 		dd \
+		defaults \
 		dhclient \
 		dict \
 		dpkg \
@@ -72,6 +73,7 @@
 		k3b \
 		kldload \
 		larch \
+		launchctl \
 		ldapvi \
 		lftp \
 		lilo \
@@ -105,6 +107,7 @@
 		net-tools \
 		nmap \
 		ntpdate \
+		open \
 		openldap \
 		openssl \
 		open-iscsi \
@@ -177,7 +180,8 @@
 		xsltproc \
 		xz \
 		yp-tools \
-		yum-arch
+		yum-arch \
+		xcodebuild
 
 EXTRA_DIST = $(bashcomp_DATA) \
 	     _mock _modules _subversion _yum _yum-utils
diff -Naur bash-completion-1.3/completions/Makefile.in bash-completion-1.3-mac/completions/Makefile.in
--- bash-completion-1.3/completions/Makefile.in	2011-02-06 14:16:21.000000000 -0500
+++ bash-completion-1.3-mac/completions/Makefile.in	2011-02-22 22:01:48.000000000 -0500
@@ -216,6 +216,7 @@
 		cvs \
 		cvsps \
 		dd \
+		defaults \
 		dhclient \
 		dict \
 		dpkg \
@@ -255,6 +256,7 @@
 		k3b \
 		kldload \
 		larch \
+		launchctl \
 		ldapvi \
 		lftp \
 		lilo \
@@ -288,6 +290,7 @@
 		net-tools \
 		nmap \
 		ntpdate \
+		open \
 		openldap \
 		openssl \
 		open-iscsi \
@@ -360,7 +363,8 @@
 		xsltproc \
 		xz \
 		yp-tools \
-		yum-arch
+		yum-arch \
+		xcodebuild
 
 EXTRA_DIST = $(bashcomp_DATA) \
 	     _mock _modules _subversion _yum _yum-utils
diff -Naur bash-completion-1.3/completions/defaults bash-completion-1.3-mac/completions/defaults
--- bash-completion-1.3/completions/defaults	1969-12-31 19:00:00.000000000 -0500
+++ bash-completion-1.3-mac/completions/defaults	2011-02-22 20:27:31.000000000 -0500
@@ -0,0 +1,175 @@
+# defaults
+# Bash command line completion for defaults
+#
+# Created by Jonathon Mah on 2006-11-08.
+# Copyright 2006 Playhaus. All rights reserved.
+# 
+# This file is licensed under the BSD license, as follows:
+#
+# Copyright (c) 2006, Playhaus
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of the Playhaus nor the names of its contributors may be
+#   used to endorse or promote products derived from this software without
+#   specific prior written permission.
+#
+# This software is provided by the copyright holders and contributors "as is"
+# and any express or implied warranties, including, but not limited to, the
+# implied warranties of merchantability and fitness for a particular purpose are
+# disclaimed. In no event shall the copyright owner or contributors be liable
+# for any direct, indirect, incidental, special, exemplary, or consequential
+# damages (including, but not limited to, procurement of substitute goods or
+# services; loss of use, data, or profits; or business interruption) however
+# caused and on any theory of liability, whether in contract, strict liability,
+# or tort (including negligence or otherwise) arising in any way out of the use
+# of this software, even if advised of the possibility of such damage.
+#
+# Version 1.0 (2006-11-08)
+
+[ $UNAME = Darwin ] && have defaults &&
+{
+_defaults_domains()
+{
+    local cur
+    COMPREPLY=()
+    cur=${COMP_WORDS[COMP_CWORD]}
+
+	local domains=$( defaults domains | sed -e 's/, /:/g' | tr : '\n' | sed -e 's/ /\\ /g' | grep -i "^$cur" )
+	local IFS=$'\n'
+	COMPREPLY=( $domains )
+	if [[ $( echo '-app' | grep "^$cur" ) ]]; then
+		COMPREPLY[${#COMPREPLY[@]}]="-app"
+	fi
+
+    return 0
+}
+
+
+_defaults()
+{
+	local cur prev host_opts cmds cmd domain keys key_index
+    cur=${COMP_WORDS[COMP_CWORD]}
+    prev=${COMP_WORDS[COMP_CWORD-1]}
+
+	host_opts='-currentHost -host'
+	cmds='read read-type write rename delete domains find help'
+
+	if [[ $COMP_CWORD -eq 1 ]]; then
+		COMPREPLY=( $( compgen -W "$host_opts $cmds" -- $cur ) )
+		return 0
+	elif [[ $COMP_CWORD -eq 2 ]]; then
+		if [[ "$prev" == "-currentHost" ]]; then
+			COMPREPLY=( $( compgen -W "$cmds" -- $cur ) )
+			return 0
+		elif [[ "$prev" == "-host" ]]; then
+			return 0
+			_known_hosts -a
+		else
+			_defaults_domains
+			return 0
+		fi
+	elif [[ $COMP_CWORD -eq 3 ]]; then
+		if [[ ${COMP_WORDS[1]} == "-host" ]]; then
+			_defaults_domains
+			return 0
+		fi
+    fi
+
+	# Both a domain and command have been specified
+
+	if [[ ${COMP_WORDS[1]} == @(${cmds// /|}) ]]; then
+		cmd=${COMP_WORDS[1]}
+		domain=${COMP_WORDS[2]}
+		key_index=3
+		if [[ "$domain" == "-app" ]]; then
+			if [[ $COMP_CWORD -eq 3 ]]; then
+				# Completing application name. Can't help here, sorry
+				return 0
+			fi
+			domain="-app ${COMP_WORDS[3]}"
+			key_index=4
+		fi
+	elif [[ ${COMP_WORDS[2]} == "-currentHost" ]] && [[ ${COMP_WORDS[2]} == @(${cmds// /|}) ]]; then
+		cmd=${COMP_WORDS[2]}
+		domain=${COMP_WORDS[3]}
+		key_index=4
+		if [[ "$domain" == "-app" ]]; then
+			if [[ $COMP_CWORD -eq 4 ]]; then
+				# Completing application name. Can't help here, sorry
+				return 0
+			fi
+			domain="-app ${COMP_WORDS[4]}"
+			key_index=5
+		fi
+	elif [[ ${COMP_WORDS[3]} == "-host" ]] && [[ ${COMP_WORDS[3]} == @(${cmds// /|}) ]]; then
+		cmd=${COMP_WORDS[3]}
+		domain=${COMP_WORDS[4]}
+		key_index=5
+		if [[ "$domain" == "-app" ]]; then
+			if [[ $COMP_CWORD -eq 5 ]]; then
+				# Completing application name. Can't help here, sorry
+				return 0
+			fi
+			domain="-app ${COMP_WORDS[5]}"
+			key_index=6
+		fi
+	fi
+
+	keys=$( defaults read $domain 2>/dev/null | sed -n -e '/^    [^}) ]/p' | sed -e 's/^    \([^" ]\{1,\}\) = .*$/\1/g' -e 's/^    "\([^"]\{1,\}\)" = .*$/\1/g' | sed -e 's/ /\\ /g' )
+
+	case $cmd in
+	read|read-type)
+		# Complete key
+		local IFS=$'\n'
+		COMPREPLY=( $( echo "$keys" | grep -i "^${cur//\\/\\\\}" ) )
+		;;
+	write)
+		if [[ $key_index -eq $COMP_CWORD ]]; then
+			# Complete key
+			local IFS=$'\n'
+			COMPREPLY=( $( echo "$keys" | grep -i "^${cur//\\/\\\\}" ) )
+		elif [[ $((key_index+1)) -eq $COMP_CWORD ]]; then
+			# Complete value type
+			# Unfortunately ${COMP_WORDS[key_index]} fails on keys with spaces
+			local value_types='-string -data -integer -float -boolean -date -array -array-add -dict -dict-add'
+			local cur_type=$( defaults read-type $domain ${COMP_WORDS[key_index]} 2>/dev/null | sed -e 's/^Type is \(.*\)/-\1/' -e's/dictionary/dict/' | grep "^$cur" )
+			if [[ $cur_type ]]; then
+				COMPREPLY=( $cur_type )
+			else
+				COMPREPLY=( $( compgen -W "$value_types" -- $cur ) )
+			fi
+		elif [[ $((key_index+2)) -eq $COMP_CWORD ]]; then
+			# Complete value
+			# Unfortunately ${COMP_WORDS[key_index]} fails on keys with spaces
+			COMPREPLY=( $( defaults read $domain ${COMP_WORDS[key_index]} 2>/dev/null | grep -i "^${cur//\\/\\\\}" ) )
+		fi
+		;;
+	rename)
+		if [[ $key_index -eq $COMP_CWORD ]] ||
+		   [[ $((key_index+1)) -eq $COMP_CWORD ]]; then
+			# Complete source and destination keys
+			local IFS=$'\n'
+			COMPREPLY=( $( echo "$keys" | grep -i "^${cur//\\/\\\\}" ) )
+		fi
+		;;
+	delete)
+		if [[ $key_index -eq $COMP_CWORD ]]; then
+			# Complete key
+			local IFS=$'\n'
+			COMPREPLY=( $( echo "$keys" | grep -i "^${cur//\\/\\\\}" ) )
+		fi
+		;;
+	esac
+
+    return 0
+}
+complete -F _defaults -o default defaults
+}
diff -Naur bash-completion-1.3/completions/launchctl bash-completion-1.3-mac/completions/launchctl
--- bash-completion-1.3/completions/launchctl	1969-12-31 19:00:00.000000000 -0500
+++ bash-completion-1.3-mac/completions/launchctl	2011-02-22 21:02:35.000000000 -0500
@@ -0,0 +1,171 @@
+# ex: filetype=sh et sw=4
+#
+# launchctl(1) completion
+#
+[ $UNAME = Darwin ] && have launchctl &&
+{
+_launchctl()
+{
+    local cur oslevel
+
+    oslevel=${OSTYPE//darwin/}
+    oslevel=${oslevel%%.*}
+
+    COMPREPLY=()
+    cur=`_get_cword`
+
+    if [[ $COMP_CWORD -eq 1 ]]; then
+        local commands
+
+        commands="load unload start stop list setenv unsetenv \
+            getenv export limit shutdown getrusage log umask help"
+
+        if [[ $oslevel -le 8 ]]; then
+            commands+=" reloadttys stdout stderr"
+        fi
+
+        if [[ $oslevel -ge 9 ]]; then
+            commands+=" submit remove bootstrap singleuser bsexec bslist"
+            if [[ $oslevel -ge 10 ]]; then
+                commands+=" bstree managerpid manageruid managername"
+            fi
+        fi
+        COMPREPLY=( $( compgen -W "$commands" -- $cur ) )
+    else
+        local command
+        command=${COMP_WORDS[1]}
+        prev=${COMP_WORDS[COMP_CWORD-1]}
+
+        case "$command" in
+            load|unload)
+                case $prev in
+                    -S)
+                        COMPREPLY=( $( compgen -W "Aqua LoginWindow Background StandardIO System" -- $cur ) )
+                    ;;
+                    -D)
+                        COMPREPLY=( $( compgen -W "system local network all user" -- $cur ) )
+                    ;;
+                    *)
+                        opts="-w"
+                        if [[ $oslevel -ge 0 ]]; then
+                            opts+=" -S -D"
+                            if [[ $command = load ]]; then
+                                opts+=" -F"
+                            fi
+                        fi
+                        COMPREPLY=( $( compgen -f -W "$opts" -- $cur ) )
+                    ;;
+                esac
+            ;;
+            start|stop|remove|list)
+                local jobs opts
+
+                if [[ $command != list || $oslevel -ge 9 ]]; then
+                    if [[ $oslevel -le 8 ]]; then
+                        jobs="$( launchctl list )"
+                    else
+                        jobs="$( launchctl list | awk 'NR>1 { print $3 }')"
+                        if [[ $oslevel -ge 10 && $command = list ]]; then
+                            opts="-x"
+                        fi
+                    fi
+                fi
+                COMPREPLY=( $( compgen -W "$jobs $opts" -- $cur ) )
+            ;;
+            getenv|setenv|unsetenv)
+                if [[ $COMP_CWORD -eq 2 ]]; then
+                    envvars="$( launchctl export | cut -f1 -d= )"
+                    COMPREPLY=( $( compgen -W "$envvars" -- $cur ) )
+                fi
+            ;;
+            getrusage)
+                if [[ $COMP_CWORD -eq 2 ]]; then
+                    COMPREPLY=( $( compgen -W "self children" -- $cur ) )
+                fi
+            ;;
+            limit)
+                if [[ $COMP_CWORD -eq 2 ]]; then
+                    local limits
+                    limits="$( launchctl limit | awk '{print $1}' )"
+                    COMPREPLY=( $( compgen -W "$limits" -- $cur ) )
+                fi
+            ;;
+            log)
+                if [[ $COMP_CWORD -eq 2 ]]; then
+                    COMPREPLY=( $( compgen -W "level only mask" -- $cur ) )
+                else
+                    local level
+                    levels="debug info notice warning error critical alert emergency"
+                    case ${COMP_WORDS[2]} in
+                        level)
+                            if [[ $COMP_CWORD -eq 3 ]]; then
+                                COMPREPLY=( $( compgen -W "$levels" -- $cur ) )
+                            fi
+                        ;;
+                        mask|only)
+                            COMPREPLY=( $( compgen -W "$levels" -- $cur ) )
+                        ;;
+                    esac
+                fi
+            ;;
+            stdout|stderr)
+                # Darwin 8 only
+                if [[ $oslevel -le 8 ]]; then
+                    _filedir
+                fi
+            ;;
+            submit)
+                local i
+                i=1
+                while [[ $i -lt ${#COMP_WORDS[@]} ]]; do
+                    if [[ "${COMP_WORDS[i-1]}" = "--" ]]; then
+                        _command_offset $i
+                        return 0
+                    fi
+                    i=$((i+1))
+                done
+
+                local submit_opts
+                submit_opts="-l -p -o -e --"
+                case $prev in
+                    -l)
+                    ;;
+                    -p)
+                        _command_offset $COMP_CWORD
+                    ;;
+                    -o|-e)
+                        _filedir
+                    ;;
+                    *)
+                        COMPREPLY=( $( compgen -W "$submit_opts" -- $cur ) )
+                    ;;
+                esac
+
+            ;;
+            bslist)
+                local pids opts
+                pids=$( ps axo pid= )
+                [[ $oslevel -ge 10 ]] && opts="-j"
+                COMPREPLY=( $( compgen -W "$pids $opts" -- $cur ) )
+            ;;
+            bsexec)
+                if [[ $COMP_CWORD -eq 2 ]]; then
+                    local pids
+                    pids=$( ps axo pid= )
+                    COMPREPLY=( $( compgen -W "$pids" -- $cur ) )
+                else
+                    _command_offset 3
+                fi
+            ;;
+            bstree)
+                if [[ $oslevel -ge 10 ]]; then
+                    COMPREPLY=( $( compgen -W "-j" -- $cur ) )
+                fi
+                ;;
+        esac
+    fi
+
+    return 0
+}
+complete -F _launchctl -o filenames launchctl
+}
diff -Naur bash-completion-1.3/completions/open bash-completion-1.3-mac/completions/open
--- bash-completion-1.3/completions/open	1969-12-31 19:00:00.000000000 -0500
+++ bash-completion-1.3-mac/completions/open	2011-02-22 20:11:14.000000000 -0500
@@ -0,0 +1,104 @@
+# 
+# Copyright (c) 2004, Lukas Westermann <contact AT openos DOT ch>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without 
+# modification, are permitted provided that the following conditions 
+# are met:
+#   - Redistributions of source code must retain the above copyright 
+#     notice, this list of conditions and the following disclaimer.
+#   - Redistributions in binary form must reproduce the above 
+#     copyright notice, this list of conditions and the following 
+#     disclaimer in the documentation and/or other materials 
+#     provided with the distribution.
+#   - The names of its contributors may not be used to endorse or 
+#     promote products derived from this software without specific 
+#     prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
+# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
+# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+#
+# Bash Auto-Completion for the NextStep command 'open'
+#
+# History
+# ----------------------------------
+# Version 1.0.0 - initial release
+# Version 1.0.1 - added test for availabilty (Darwin only
+#                 and check for open)
+# Version 1.0.2 - fixed problems with IFS for -a and -e
+# Version 1.0.3 - simplified availability check
+# Version 1.0.4 - fixed problem with spaces and completion
+#
+
+[ $UNAME = Darwin ] && have open && {
+_list_apps() {
+    local IFS=$'\n'
+    find '/Applications' "${HOME}"'/Applications' '/Developer/Applications' -name "${1}*.app" -maxdepth 2 2>/dev/null
+    #TODO: MS Word and other carbon apps...HOW ???
+}
+
+_open()
+{
+
+    local cur prev IFS=$'\t\n'
+    COMPREPLY=()
+    cur=${COMP_WORDS[COMP_CWORD]}
+    prev=${COMP_WORDS[COMP_CWORD-1]}
+
+    if [[ $prev == -a ]]; then
+        local res ncur
+        ncur=$( echo "$cur" | sed -e 's/\\//g' 2>/dev/null )
+        res=$( _list_apps "${ncur}" | sed -e 's/.*\/\([^\/]*\)\.app/\1/' )
+        COMPREPLY=( $( compgen -W "${res}" -- "${ncur}" ) )
+    elif [[ $prev == -e ]]; then
+        _filedir '@(txt|doc|rtf|rtfd|pdf|png|jpg|gif)'
+    elif [[ $cur == -* ]]; then
+        local IFS=$' \t\n'
+        COMPREPLY=( $( compgen -W '-a -e' -- "$cur" ) )
+    else
+        local first="${COMP_WORDS[1]}" second="${COMP_WORDS[2]}"
+        if [[ $first == -a ]]; then
+            case "$second" in
+                QuickTime*)
+                    _filedir '@(mp3|mpg|mpeg|avi|m4*|mov|alc)'
+                    ;;
+                iTunes)
+                    _filedir '@(mp3|m4*|ogg|alc)'
+                    ;;
+                Safari|Mozilla|Camino|Opera|Firebird)
+                    # TODO: complete from history/bookmarks ?
+                    _filedir '@(htm|html|xhtm|xhtml|php|php3|php3|xml)'
+                    ;;
+                VLC)
+                    # TODO: complete for CD/DVD too...
+                    _filedir '@(avi|mpg)'
+                    ;;
+                BitTorrent*)
+                    _filedir '@(torrent)'
+                    ;;
+                *)
+                    # others, complete all
+                    _filedir
+                    ;;
+            esac
+        else
+            _filedir
+        fi
+    fi
+
+}
+complete -o filenames -F _open open
+}
diff -Naur bash-completion-1.3/completions/procps bash-completion-1.3-mac/completions/procps
--- bash-completion-1.3/completions/procps	2011-01-21 04:36:11.000000000 -0500
+++ bash-completion-1.3-mac/completions/procps	2011-02-22 20:52:21.000000000 -0500
@@ -2,7 +2,7 @@
 
 # killall(1) (Linux and FreeBSD) and pkill(1) completion.
 #
-[[ $UNAME == Linux || $UNAME == FreeBSD ]] || have pkill &&
+have killall || have pkill &&
 _killall()
 {
     local cur
@@ -18,7 +18,7 @@
 
     return 0
 }
-[[ $UNAME == Linux || $UNAME == FreeBSD ]] && complete -F _killall killall
+have killall && complete -F _killall killall
 have pkill && complete -F _killall pkill
 
 # pgrep(1) completion.
diff -Naur bash-completion-1.3/completions/xcodebuild bash-completion-1.3-mac/completions/xcodebuild
--- bash-completion-1.3/completions/xcodebuild	1969-12-31 19:00:00.000000000 -0500
+++ bash-completion-1.3-mac/completions/xcodebuild	2011-02-22 20:27:08.000000000 -0500
@@ -0,0 +1,91 @@
+# xcodebuild
+# Bash command line completion for xcodebuild
+#
+# Created by Jonathon Mah on 2006-11-08.
+# Copyright 2006 Playhaus. All rights reserved.
+#
+# This file is licensed under the BSD license, as follows:
+#
+# Copyright (c) 2006, Playhaus
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of the Playhaus nor the names of its contributors may be
+#   used to endorse or promote products derived from this software without
+#   specific prior written permission.
+#
+# This software is provided by the copyright holders and contributors "as is"
+# and any express or implied warranties, including, but not limited to, the
+# implied warranties of merchantability and fitness for a particular purpose are
+# disclaimed. In no event shall the copyright owner or contributors be liable
+# for any direct, indirect, incidental, special, exemplary, or consequential
+# damages (including, but not limited to, procurement of substitute goods or
+# services; loss of use, data, or profits; or business interruption) however
+# caused and on any theory of liability, whether in contract, strict liability,
+# or tort (including negligence or otherwise) arising in any way out of the use
+# of this software, even if advised of the possibility of such damage.
+#
+# Version 1.0 (2006-11-08)
+
+[ $UNAME = Darwin ] && have xcodebuild &&
+{
+_xcodebuild()
+{
+	local cur prev #cmds cmdOpts optsParam opt helpCmds optBase i
+
+	COMPREPLY=()
+	cur=${COMP_WORDS[COMP_CWORD]}
+	prev=${COMP_WORDS[COMP_CWORD-1]}
+
+	cmds='-project -activetarget -alltargets -target -activeconfiguration -configuration -version -list -help build installsrc install clean'
+
+	if [[ "$prev" = "-project" ]]; then
+		# Show list of projects
+		local projects=$( compgen -X "${1:+"!*.xcodeproj"}" -d | sed -e 's/ /\\ /g' )
+		local IFS=$'\n'
+		COMPREPLY=( $( echo "$projects" | grep "^$cur" ) )
+	elif [[ "$prev" = "-target" ]]; then
+		local arg project_args is_project_next
+		is_project_next="false"
+		for arg in ${COMP_WORDS} ; do
+			if [[ "$is_project_next" = "true" ]]; then
+				project_args="-project $arg"
+				break
+			elif [[ "$arg" = "-project" ]]; then
+				is_project_next="true"
+			fi
+		done
+		cur=$(printf '%q' "$cur" )
+		local targets=$(xcodebuild $project_args -list | sed -n -e '/^    Targets:$/,/^$/p' | sed -e '1d' -e '$d' -e 's/^[[:space:]]*//' -e 's/ (Active)$//' -e 's/ /\\ /g' | grep "^$cur" )
+		local IFS=$'\n'
+		COMPREPLY=( $targets )
+	elif [[ "$prev" = "-configuration" ]]; then
+		local arg project_args is_project_next
+		is_project_next="false"
+		for arg in ${COMP_WORDS} ; do
+			if [[ "$is_project_next" = "true" ]]; then
+				project_args="-project $arg"
+				break
+			elif [[ "$arg" = "-project" ]]; then
+				is_project_next="true"
+			fi
+		done
+		cur=$(printf '%q' "$cur" )
+		local configurations=$(xcodebuild $project_args -list | sed -n -e '/^    Build Configurations:$/,/^$/p' | sed -e '1d' -e '$d' -e 's/^[[:space:]]*//' -e 's/ (Active)$//' -e 's/ /\\ /g' | grep "^$cur" )
+		local IFS=$'\n'
+		COMPREPLY=( $configurations )
+	else
+		COMPREPLY=( $( compgen -W "$cmds" -- $cur ) )
+	fi
+
+	return 0
+}
+complete -F _xcodebuild xcodebuild
+}

One more: only look at COMP_WORDS[2] if it exists:

--- /sw/etc/bash_completion.d/open      2011-08-08 16:08:30.000000000 -0700
+++ sw/etc/bash_completion.d/open       2011-08-11 11:05:31.000000000 -0700
@@ -69,9 +69,8 @@
         local IFS=$' \t\n'
         COMPREPLY=( $( compgen -W '-a -e' -- "$cur" ) )
     else
-        local first="${COMP_WORDS[1]}" second="${COMP_WORDS[2]}"
-        if [[ $first == -a ]]; then
-            case "$second" in
+        if [[ "${COMP_WORDS[1]}" == -a && ${#COMP_WORDS[]} -ge 2 ]]; then
+            case "${COMP_WORDS[2]}" in
                 QuickTime*)
                     _filedir '@(mp3|mpg|mpeg|avi|m4*|mov|alc)'
                     ;;