#!/bin/sh
# vim: filetype=zsh

set -e
if [ -n "$ZSH_VERSION" ]; then
	setopt SH_WORD_SPLIT
fi
if [ -z "$ECHO" ]; then
	if echo "\\\\" | grep .. >/dev/null; then
		ECHO=echo
	else
		ECHO=`which echo`
	fi
fi

# I use this in EVERY shell script ;)
LF="
"
ESC=""

d00=`pwd`
while ! [ -f ./all ]; do
	if [ x"`pwd`" = x"/" ]; then
		$ECHO "Cannot find myself."
		$ECHO "Please run this script with the working directory inside a Xonotic checkout."
		exit 1
	fi
	cd ..
done
export d0=`pwd`
SELF="$d0/all"

# If we are on WINDOWS:
case "$0" in
	all|*/all)
		case "`uname`" in
			MINGW*|Win*)
				# Windows hates users. So this script has to copy itself elsewhere first...
				cp "$SELF" ../all.xonotic.sh
				export WE_HATE_OUR_USERS=1
				exec ../all.xonotic.sh "$@"
				;;
		esac
		;;
esac

msg()
{
	$ECHO >&2 "$ESC""[1m$*$ESC""[m"
}

self=`git hash-object "$SELF"`
checkself()
{
	self_new=`git hash-object "$SELF"`
	if [ x"$self" != x"$self_new" ]; then
		msg "./all has changed."
		if [ -z "$XONOTIC_FORBID_RERUN_ALL" ]; then
			msg "Rerunning the requested operation to make sure."
			export XONOTIC_FORBID_RERUN_ALL=1
			exec "$SELF" "$@"
		else
			msg "Please try $SELF update, and then retry your requested operation."
			exit 1
		fi
	fi
	return 0
}

verbose()
{
	msg "+ $*"
	"$@"
}

visible_repo_name()
{
	case "$1" in
		.)
			$ECHO "the root directory"
			;;
		*)
			$ECHO "\"$1\""
			;;
	esac
}

check_mergeconflict()
{
	if git ls-files -u | grep ' 1	'; then
		$ECHO
		$ECHO "MERGE CONFLICT."
		$ECHO "change into the \"$1\" project directory, and then:"
		$ECHO "- edit the files mentioned above with your favorite editor,"
		$ECHO "  and fix the conflicts (marked with <<<<<<< blocks)"
		$ECHO "- for binary files, you can select the files using"
		$ECHO "  git checkout --ours or git checkout --theirs"
		$ECHO "- when done with a file, 'git add' the file"
		$ECHO "- when done, 'git commit'"
		$ECHO
		exit 1
	fi
}

yesno()
{
	yesno=
	while [ x"$yesno" != x"y" -a x"$yesno" != x"n" ]; do
		eval "$2"
		$ECHO "$1"
		IFS= read -r yesno
	done
	[ x"$yesno" = x"y" ]
}

enter()
{
	$2 cd "$1" || exit 1
	check_mergeconflict "$1"
}

repos_urls="
.                             |                                                   | master         |
data/xonotic-data.pk3dir      |                                                   | master         |
data/xonotic-music.pk3dir     |                                                   | master         |
data/xonotic-nexcompat.pk3dir |                                                   | master         | no
darkplaces                    |                                                   | div0-stable    | svn
netradiant                    |                                                   | master         |
div0-gittools                 |                                                   | master         | no
d0_blind_id                   |                                                   | master         |
data/xonotic-maps.pk3dir      |                                                   | master         |
mediasource                   |                                                   | master         | no
fteqcc                        |                                                   | xonotic-stable | noautocrlf
"
# todo: in darkplaces, change repobranch to div0-stable

repos=`$ECHO "$repos_urls" | grep . | cut -d '|' -f 1 | tr -d ' '`

base=`git config remote.origin.url`
case "$base" in
	*/xonotic.git)
		base=${base%xonotic.git}
		;;
	*)
		$ECHO "The main repo is not xonotic.git, what have you done?"
		exit 1
		;;
esac
pushbase=`git config remote.origin.pushurl || true`
case "$pushbase" in
	*/xonotic.git)
		pushbase=${pushbase%xonotic.git}
		;;
	'')
		;;
	*)
		$ECHO "The main repo is not xonotic.git, what have you done?"
		exit 1
		;;
esac

repourl()
{
	repo_t=`$ECHO "$repos_urls" | grep "^$1 " | cut -d '|' -f 2 | tr -d ' '`
	if [ -n "$repo_t" ]; then
		case "$repo_t" in
			*://*)
				$ECHO "$repo_t"
				;;
			*)
				$ECHO "$base$repo_t"
				;;
		esac
	else
		if [ x"$1" = x"." ]; then
			$ECHO "$base""xonotic.git"
		else
			$ECHO "$base${1##*/}.git"
		fi
	fi
}

repopushurl()
{
	[ -n "$pushbase" ] || return 0
	repo_t=`$ECHO "$repos_urls" | grep "^$1 " | cut -d '|' -f 2 | tr -d ' '`
	if [ -n "$repo_t" ]; then
		case "$repo_t" in
			*://*)
				;;
			*)
				$ECHO "$pushbase$repo_t"
				;;
		esac
	else
		if [ x"$1" = x"." ]; then
			$ECHO "$pushbase""xonotic.git"
		else
			$ECHO "$pushbase${1##*/}.git"
		fi
	fi
}

repobranch()
{
	repo_t=`$ECHO "$repos_urls" | grep "^$1 " | cut -d '|' -f 3 | tr -d ' '`
	if [ -n "$repo_t" ]; then
		$ECHO "$repo_t"
	else
		$ECHO "master"
	fi
}

repoflags()
{
	$ECHO "$repos_urls" | grep "^$1 " | cut -d '|' -f 4 | tr -d ' '
}

listrepos()
{
	for d in $repos; do
		p="${d%dir}"
		f="`repoflags "$d"`"
		# if we have the dir, always keep it
		if [ -d "$d" ]; then
			msg "Repository $d enabled because it already exists"
			$ECHO "$d"
			continue
		fi
		# if .yes file exists, always keep it
		if [ -f "$d.yes" ]; then
			msg "Repository $d enabled by a .yes file"
			$ECHO "$d"
			continue
		fi
		# if we have .no file, skip
		if [ -f "$d.no" ]; then
			msg "Repository $d disabled by a .no file, delete $p.no to enable"
			continue
		fi
		# if we have matching pk3, skip
		if [ x"$p" != x"$d" ] && [ -f "$p" ]; then
			msg "Repository $d disabled by matching .pk3 file, delete $p or create $d.yes to enable"
			continue
		fi
		# if "no" flag is set, skip
		case ",$f," in
			*,no,*)
				msg "Repository $d disabled by default, create $d.yes to enable"
				continue
				;;
		esac
		# default: enable
		msg "Repository $d enabled by default"
		$ECHO "$d"
	done
}

repos=`listrepos`

if [ "$#" = 0 ]; then
	set -- help
fi
cmd=$1
shift

fix_upstream_rebase()
{
	if [ -z "$r_me" ] || [ -z "$r_other" ]; then
		return
	fi

	# one of the two sides of the merge should be remote upstream, or all is fine
	r_r=`git symbolic-ref HEAD`
	r_r=${r_r#refs/heads/}
	r_rem=`git config "branch.$r_rem.remote" || $ECHO origin`
	r_bra=`git config "branch.$r_bra.merge" || $ECHO "$r_r"`
	if [ x"$r_me" != x"`git rev-parse "$r_rem/$r_bra"`" ]; then
		if [ x"$r_other" != x"`git rev-parse "$r_rem/$r_bra"`" ]; then
			return
		fi
	fi

	r_base=`git merge-base "$r_me" "$r_other"`

	# no merge-base? upstream did filter-branch
	if [ -n "$r_base" ]; then
		# otherwise, check if the two histories are "similar"
		r_l_me=`git log --pretty="format:%s" "$r_other".."$r_me" | grep -v "^Merge" | sort -u`
		r_l_other=`git log --pretty="format:%s" "$r_me".."$r_other" | grep -v "^Merge" | sort -u`

		# heuristics: upstream rebase/filter-branch if more than 50% of the commits of one of the sides are in the other too
		r_lc_me=`$ECHO "$r_l_me" | wc -l`
		r_lc_other=`$ECHO "$r_l_other" | wc -l`
		r_lc_together=`{ $ECHO "$r_l_me"; $ECHO "$r_l_other"; } | sort -u | wc -l`
		r_lc_same=$(($r_lc_me + $r_lc_other - $r_lc_together))

		if [ $(( $r_lc_same * 2 )) -gt $(( $r_lc_me )) ] || [ $(( $r_lc_same * 2 )) -gt $(( $r_lc_other )) ]; then
			if yesno "Probable upstream rebase detected, automatically fix?" 'git log --oneline --graph --date-order --left-right "$r_other"..."$r_me"'; then
				git reset --hard "$r_me"
				git pull --rebase
				return 1
			fi
		fi
	fi

	return 0
}

fix_upstream_rebase_mergeok()
{
	r_me=`git rev-parse --revs-only HEAD^1 2>/dev/null || true`
	r_other=`git rev-parse --revs-only HEAD^2 2>/dev/null || true`
	fix_upstream_rebase
}

fix_upstream_rebase_mergefail()
{
	r_me=`git rev-parse --revs-only HEAD 2>/dev/null || true`
	r_other=`git rev-parse --revs-only MERGE_HEAD 2>/dev/null || true`
	fix_upstream_rebase
}

fix_git_config()
{
	verbose git config remote.origin.url "$1"
	if [ -n "$2" ]; then
		verbose git config remote.origin.pushurl "$2"
	else
		verbose git config --unset remote.origin.pushurl || true
	fi
	verbose git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
	case ",`repoflags "$d"`," in
		*,noautocrlf,*)
			verbose git config --unset core.autocrlf || true
			;;
		*)
			verbose git config core.autocrlf input
			;;
	esac
	if [ -z "`git config push.default || true`" ]; then
		verbose git config push.default current # or is tracking better?
	fi
	verbose git config filter.mapclean.clean "tr -d '\r' | grep '^[^/]'"
	verbose git config filter.mapclean.smudge "cat"
}

mkzip()
{
	archive=$1
	shift
	ziplist=`mktemp`
	find "$@" -xtype f \( -executable -or -type l \) -print > "$ziplist"
	7za a -tzip -mx=9 -x@"$ziplist" "$archive" "$@" || true
	zip         -9y   -@<"$ziplist" "$archive"      || true
	rm -f "$ziplist"
}

mkzip0()
{
	zip -0y "$@"
}

mirrorspeed()
{
	# first result is to be ignored, but we use it to check status
	git ls-remote "$1" refs/heads/master >/dev/null 2>&1 || return 1
	{ time -p git ls-remote "$1" refs/heads/master; } 2>&1 >/dev/null | head -n 1 | cut -d ' ' -f 2 | tr -d . | sed 's,^0*,,'
		# unit: clock ticks (depends on what "time" returns
}

bestmirror()
{
	pre=$1; shift
	suf=$1; shift

	if ! { time -p true; } >/dev/null 2>&1; then
		return 1
	fi

	bestin=
	bestt=
	for mir in "$@"; do
		case "$mir" in
			*:*)
				in=${mir%%:*}
				op=${mir#*:}
				;;
			*)
				in=$mir
				op=
				;;
		esac
		m=$pre$in$suf
		if t=`mirrorspeed "$m"`; then
			if [ -n "$t" ]; then
				tt=$(($t$op)) # fudge factor
				msg "$m -> $t$op = $tt ticks"
				if [ -z "$bestt" ] || [ "$tt" -lt "$bestt" ]; then
					bestin=$in
					bestt=$tt
				fi
			else
				msg "$m -> error"
			fi
		else
			msg "$m -> FAIL"
		fi
	done
	if [ -n "$bestin" ]; then
		msg "Best mirror seems to be $pre$bestin$suf"
		$ECHO "$bestin"
	else
		return 1
	fi
}

case "$cmd" in
	fix_upstream_rebase)
		for d in $repos; do
			enter "$d0/$d" verbose
			verbose fix_upstream_rebase_mergefail && verbose fix_upstream_rebase_mergeok
		done
		;;
	fix_config)
		for d in $repos; do
			url=`repourl "$d"`
			pushurl=`repopushurl "$d"`
			branch=`repobranch "$d"`
			if [ -d "$d0/$d" ]; then
				verbose cd "$d0/$d"
				fix_git_config "$url" "$pushurl"
				cd "$d0"
			fi
		done
		;;
	keygen)
		# enable the ssh URL for pushing
		"$SELF" update -N -p

		if [ -f ~/.ssh/id_rsa.pub ]; then
			msg ""
			msg "A key already exists and no new one will be generated. If you"
			msg "already have done the procedure for getting your key approved, you"
			msg "can skip the following paragraph and already use the repository."
			msg ""
			msg "To get access, your key has to be approved first. For that, visit"
			msg "http://dev.xonotic.org/, then log in, create a \"New Issue\" on"
			msg "the \"Support\" tracker in the \"Repository\" category where you"
			msg "apply for access and paste the following output into the issue:"
			msg ""
			msg "`cat ~/.ssh/id_rsa.pub`"
			msg ""
			msg "Note that you will only have write access to branches that start"
			msg "with your user name."
		elif [ -f ~/.ssh/id_dsa.pub ]; then
			msg ""
			msg "A key already exists and no new one will be generated. If you"
			msg "already have done the procedure for getting your key approved, you"
			msg "can skip the following paragraph and already use the repository."
			msg ""
			msg "To get access, your key has to be approved first. For that, visit"
			msg "http://dev.xonotic.org/, then log in, create a \"New Issue\" on"
			msg "the \"Support\" tracker in the \"Repository\" category where you"
			msg "apply for access and paste the following output into the issue:"
			msg ""
			msg "`cat ~/.ssh/id_dsa.pub`"
			msg ""
			msg "Note that you will only have write access to branches that start"
			msg "with your user name."
		else
			msg ""
			msg "No key has been generated yet. One will be generated now."
			msg "If other people are using your computer, it is recommended"
			msg "to specify a passphrase. Otherwise you can simply hit ENTER"
			msg "when asked for a passphrase."
			msg ""
			ssh-keygen -t rsa -b 4096 -f ~/.ssh/id_rsa
			msg ""
			msg "To get access, your key has to be approved first. For that, visit"
			msg "http://dev.xonotic.org/, then log in, create a \"New Issue\" on"
			msg "the \"Support\" tracker in the \"Repository\" category where you"
			msg "apply for access and paste the following output into the issue:"
			msg ""
			msg "`cat ~/.ssh/id_rsa.pub`"
			msg ""
			msg "Note that you will only have write access to branches that start"
			msg "with your user name."
		fi
		;;
	update|pull)
		allow_pull=true
		fix_config=false
		location=current
		while :; do
			if [ x"$1" = x"-N" ]; then
				allow_pull=false
			elif [ x"$1" = x"-p" ]; then
				fix_config=true
				if [ x"$base" != x"ssh://xonotic@git.xonotic.org/" ]; then
					pushbase=ssh://xonotic@git.xonotic.org/
				fi
			elif [ x"$1" = x"-s" ]; then
				fix_config=true
				base=ssh://xonotic@git.xonotic.org/
				pushbase=
			elif [ x"$1" = x"-g" ]; then
				fix_config=true
				base=git://git.xonotic.org/xonotic/
			elif [ x"$1" = x"-h" ]; then
				fix_config=true
				base=http://git.xonotic.org/xonotic/
			elif [ x"$1" = x"-l" ]; then
				case "$2" in
					nl) ;;
					de) ;;
					us) ;;
					best) ;;
					default) ;;
					*)
						msg "Invalid location!"
						msg "Possible locations for the -l option:"
						msg "  nl (Netherlands, run by merlijn)"
						msg "  de (Germany, run by divVerent)"
						msg "  us (United States of America, run by detrate)"
						msg "  best (find automatically)"
						msg "  default (currently nl)"
						exit 1
						;;
				esac
				fix_config=true
				location=$2
				shift
			else
				break
			fi
			shift
		done
		case "$location" in
			current)
				if [ x"`git config xonotic.all.mirrorselection 2>/dev/null || true`" != x"done" ]; then
					git config xonotic.all.mirrorselection done
					location=best
				fi
				;;
		esac
		case "$location" in
			best)
				newbase=`$ECHO "$base" | sed "s,://\(.*\.\)\?git.xonotic.org/,:// .git.xonotic.org/,"`
				case "$newbase" in
					*\ *)
						if location=`bestmirror $newbase"xonotic.git" de us nl:'*6/5'`; then # 20% malus to the NL server to not overload it too much
							:
						else
							location=current
						fi
						;;
					*)
						location=current
						;;
				esac
				;;
		esac
		case "$location" in
			default)
				location=
				;;
			current)
				case "$base" in
					*://*.git.xonotic.org/*)
						location=${base%%.git.xonotic.org/*}
						location=${location##*://}
						;;
					*)
						location=
						;;
				esac
				;;
		esac
		if [ -n "$location" ]; then
			base=`$ECHO "$base" | sed "s,://\(.*\.\)\?git.xonotic.org/,://$location.git.xonotic.org/,"`
			pushbase=`$ECHO "$pushbase" | sed "s,://\(.*\.\)\?git.xonotic.org/,://$location.git.xonotic.org/,"`
		else
			base=`$ECHO "$base" | sed "s,://\(.*\.\)\?git.xonotic.org/,://git.xonotic.org/,"`
			pushbase=`$ECHO "$pushbase" | sed "s,://\(.*\.\)\?git.xonotic.org/,://git.xonotic.org/,"`
		fi
		if $fix_config; then
			url=`repourl .`
			pushurl=`repopushurl .`
			fix_git_config "$url" "$pushurl"
		fi
		if $allow_pull || $fix_config; then
			"$SELF" fix_config
		fi
		for d in $repos; do
			url=`repourl "$d"`
			pushurl=`repopushurl "$d"`
			branch=`repobranch "$d"`
			if [ -d "$d0/$d" ]; then
				if $allow_pull; then
					enter "$d0/$d" verbose
					r=`git symbolic-ref HEAD`
					r=${r#refs/heads/}
					if git config branch.$r.remote >/dev/null 2>&1; then
						if ! verbose git pull; then
							fix_upstream_rebase_mergefail || true
							check_mergeconflict "$d"
							$ECHO "Pulling failed. Press ENTER to continue, or Ctrl-C to abort."
							read -r DUMMY
						else
							fix_upstream_rebase_mergeok || true
						fi
					fi

					cd "$d00"
					checkself "$cmd" "$@"
					cd "$d0/$d"
					verbose git remote prune origin
					cd "$d0"
				fi
			else
				verbose git clone "$url" "$d0/$d"
				enter "$d0/$d" verbose
				fix_git_config "$url" "$pushurl"
				if [ "$branch" != "master" ]; then
					verbose git checkout --track -b "$branch" origin/"$branch"
				fi
				cd "$d0"
			fi
		done
		;;
	update-maps)
		misc/tools/xonotic-map-compiler-autobuild download
		;;
	checkout|switch)
		checkoutflags=
		if [ x"$1" = x"-f" ]; then
			checkoutflags=-f
			shift
		fi
		remote=$1
		branch=$2
		if [ -z "$branch" ]; then
			case "$remote" in
				origin/*)
					branch=${remote#origin/}
					remote=origin
					;;
				*)
					branch=$remote
					remote=origin
					;;
			esac
		fi
		exists=false
		for d in $repos; do
			enter "$d0/$d" verbose
			b=$branch
			if [ -n "$b" ] && git rev-parse "refs/heads/$b" >/dev/null 2>&1; then
				exists=true
				verbose git checkout $checkoutflags "$b"
			elif [ -n "$b" ] && git rev-parse "refs/remotes/$remote/$b" >/dev/null 2>&1; then
				exists=true
				verbose git checkout $checkoutflags --track -b "$b" "$remote/$b"
			else
				b=`repobranch "$d"`
				if git rev-parse "refs/heads/$b" >/dev/null 2>&1; then
					exists=true
					verbose git checkout $checkoutflags "$b"
				elif git rev-parse "refs/remotes/$remote/$b" >/dev/null 2>&1; then
					exists=true
					verbose git checkout $checkoutflags --track -b "$b" "$remote/$b"
				else
					$ECHO "WTF? Not even branch $b doesn't exist in $d"
					exit 1
				fi
			fi
			cd "$d00"
			checkself "$cmd" "$@"
			cd "$d0"
		done
		if ! $exists; then
			$ECHO "The requested branch was not found in any repository."
		fi
		exec "$SELF" branch
		;;
	branch)
		remote=$1
		branch=$2
		srcbranch=$3
		if [ -z "$branch" ]; then
			branch=$remote
			remote=origin
		fi
		if [ -z "$branch" ]; then
			for d in $repos; do
				enter "$d0/$d"
				r=`git symbolic-ref HEAD`
				r=${r#refs/heads/}
				$ECHO "$d is at $r"
				cd "$d0"
			done
		else
			for d in $repos; do
				dv=`visible_repo_name "$d"`
				enter "$d0/$d" verbose
				if git rev-parse "refs/heads/$branch" >/dev/null 2>&1; then
					$ECHO "Already having this branch in $dv."
				else
					if yesno "Branch in $dv?"; then
						if [ -n "$srcbranch" ]; then
							b=$srcbranch
						else
							b=origin/"`repobranch "$d"`"
							verbose git fetch origin || true
						fi
						# TODO do this without pushing
						verbose git checkout -b "$branch" "$b"
						verbose git config "branch.$branch.remote" "$remote"
						verbose git config "branch.$branch.merge" "refs/heads/$branch"
					fi
				fi
				cd "$d0"
			done
			"$SELF" branch
		fi
		;;
	branches)
		for d in $repos; do
			cd "$d0/$d" # am in a pipe, shouldn't use enter
			git branch -r -v -v | cut -c 3- | sed "s/^(no branch)/(no_branch)/" | sed "s,^,$d ,"
			cd "$d0"
		done | {
			branches_list=
			# branches_repos_*=
			while read -r d BRANCH REV TEXT; do
				if [ x"$BRANCH" = x"`repobranch "$d"`" ]; then
					continue
				fi
				if [ x"$REV" = x"->" ]; then
					continue
				fi
				BRANCH=${BRANCH#remotes/}
				ID=`$ECHO "$BRANCH" | tr -c "A-Za-z0-9." "_"`
				branches_list="$branches_list $BRANCH" # TEH SORT MAKEZ IT UNIEQ
				eval "r=\$branches_repos_$ID"
				r="$r $d"
				eval "branches_repos_$ID=\$r"
			done
			$ECHO -n "$branches_list" | xargs -n 1 $ECHO | sort -u | while IFS= read -r BRANCH; do
				ID=`$ECHO "$BRANCH" | tr -c "A-Za-z0-9." "_"`
				eval "r=\$branches_repos_$ID"
				printf "%-60s %s\n" "$BRANCH" "$r"
				#$ECHO "$BRANCH: $r"
			done
		}
		;;
	merge)
		for d in $repos; do
			dv=`visible_repo_name "$d"`
			enter "$d0/$d" verbose
			r=`git symbolic-ref HEAD`
			r=${r#refs/heads/}
			if git log HEAD..origin/"`repobranch "$d"`" | grep .; then
				# we have uncommitted changes
				if yesno "Could merge from \"`repobranch "$d"`\" into \"$r\" in $dv. Do it?"; then
					if ! verbose git merge origin/"`repobranch "$d"`"; then
						check_mergeconflict "$d"
						exit 1 # this should ALWAYS be fatal
					fi
				fi
			fi
			cd "$d0"
		done
		;;
	push|commit)
		submit=$1
		for d in $repos; do
			dv=`visible_repo_name "$d"`
			enter "$d0/$d" verbose
			r=`git symbolic-ref HEAD`
			r=${r#refs/heads/}
			diffdata=`git diff --color HEAD`
			if [ -n "$diffdata" ]; then
				# we have uncommitted changes
				if yesno "Uncommitted changes in \"$r\" in $dv. Commit?" '$ECHO "$diffdata" | less -r'; then
					verbose git commit -a
				fi
			fi
			rem=`git config "branch.$r.remote" || $ECHO origin`
			bra=`git config "branch.$r.merge" || $ECHO "$r"`
			upstream="$rem/${bra#refs/heads/}"
			if ! git rev-parse "$upstream" >/dev/null 2>&1; then
				upstream="origin/`repobranch "$d"`"
			fi
			logdata=`git log --color "$upstream".."$r"`
			if [ -n "$logdata" ]; then
				if yesno "Push \"$r\" in $dv?" '$ECHO "$logdata" | less -r'; then
					verbose git push "$rem" HEAD
				fi
			fi
			if [ x"$submit" = x"-s" ]; then
				case "$r" in
					*/*)
						verbose git push "$rem" HEAD:"${bra%%/*}/finished/${bra#*/}"
						;;
				esac
			fi
			cd "$d0"
		done
		;;
	compile)
		cleand0=false
		cleandp=false
		cleanqcc=false
		cleanqc=false
		compiled0=false
		debug=debug
		snowleopardhack=false
		if [ -z "$CC" ]; then
			export CC="gcc -DSUPPORTIPV6"
		fi
		while :; do
			case "$1" in
				-0)
					compiled0=true
					shift
					;;
				-c)
					cleand0=true
					cleandp=true
					cleanqcc=true
					cleanqc=true
					shift
					;;
				-r)
					debug=release
					export CC="$CC -g"
					case "`$CC -dumpversion`" in
						[5-9]*|[1-9][0-9]*|4.[3-9]*|4.[1-9][0-9]*)
							# gcc 4.3 or higher
							# -march=native is broken < 4.3
							export CC="$CC -mtune=native -march=native"
							;;
					esac
					if [ -n "$WE_HATE_OUR_USERS" ]; then
						export CC="$CC -fno-common"
					fi
					shift
					;;
				*)
					break
					;;
			esac
		done
		if [ -n "$WE_HATE_OUR_USERS" ]; then
			TARGETS="sv-$debug cl-$debug"
		elif [ x"`uname`" = x"Darwin" ]; then
			case "`uname -r`" in
				?.*)
					TARGETS="sv-$debug cl-$debug sdl-$debug"
					;;
				*)
					# AGL cannot be compiled on systems with a kernel > 10.x (Snow Leopard)
					snowleopardhack=true
					TARGETS="sv-$debug sdl-$debug"
					;;
			esac
			export CC="$CC -fno-reorder-blocks -I$PWD/misc/buildfiles/osx/Xonotic-SDL.app/Contents/Frameworks/SDL.framework/Headers -F$PWD/misc/buildfiles/osx/Xonotic-SDL.app/Contents/Frameworks"
		else
			TARGETS="sv-$debug cl-$debug sdl-$debug"
		fi
		if [ $# -gt 0 ] && [ x"$1" = x"" ]; then
			# if we give the command make the arg "", it will surely fail (invalid filename),
			# so better handle it as an empty client option
			BAD_TARGETS=" "
			shift
		elif [ -n "$1" ]; then
			BAD_TARGETS=
			TARGETS_SAVE=$TARGETS
			TARGETS=
			for X in $1; do
				case "$X" in
					sdl)
						TARGETS="$TARGETS sdl-debug"
						;;
					agl)
						TARGETS="$TARGETS cl-debug"
						if $snowleopardhack; then
							export CC="$CC -arch i386"
						fi
						;;
					glx|wgl)
						TARGETS="$TARGETS cl-debug"
						;;
					dedicated)
						TARGETS="$TARGETS sv-debug"
						;;
					*)
						BAD_TARGETS="$BAD_TARGETS $X"
						;;
				esac
			done
			if [ -n "$TARGETS" ]; then # at least a valid client
				shift
			else # no valid client, let's assume this option is not meant to be a client then
				TARGETS=$TARGETS_SAVE
				BAD_TARGETS=
			fi
		fi
		if [ -z "$MAKEFLAGS" ]; then
			if [ -f /proc/cpuinfo ]; then
				ncpus=$((`grep -c '^processor	:' /proc/cpuinfo`+0))
				if [ $ncpus -gt 1 ]; then
					MAKEFLAGS=-j$ncpus
				fi
			fi
			if [ -n "$WE_HATE_OUR_USERS" ]; then
				MAKEFLAGS="$MAKEFLAGS DP_MAKE_TARGET=mingw LIB_JPEG= CFLAGS_LIBJPEG="
			fi
		fi

		enter "$d0/d0_blind_id" verbose
		if ! $compiled0; then
			# compilation of crypto library failed
			# use binaries then, if we can...
			mkdir -p .libs
			if [ -n "$WE_HATE_OUR_USERS" ]; then
				verbose cp "$d0/misc/buildfiles/win32/libd0_blind_id"-* .libs/
				verbose cp "$d0/misc/buildfiles/win32/libd0_rijndael"-* .libs/
				verbose cp "$d0/misc/buildfiles/win32/libgmp"-* .libs/
			else
				case "`uname`" in
					Linux)
						case `uname -m` in
							x86_64)
								#verbose cp "$d0/misc/builddeps/dp.linux64/lib/libd0_blind_id".* .libs/
								#verbose cp "$d0/misc/builddeps/dp.linux64/lib/libd0_rijndael".* .libs/
								#verbose cp "$d0/misc/builddeps/dp.linux64/lib/libgmp".* .libs/
								MAKEFLAGS="$MAKEFLAGS DP_CRYPTO_STATIC_LIBDIR=../misc/builddeps/dp.linux64/lib/ DP_CRYPTO_RIJNDAEL_STATIC_LIBDIR=../misc/builddeps/dp.linux64/lib/"
								;;
							*86)
								#verbose cp "$d0/misc/builddeps/dp.linux32/lib/libd0_blind_id".* .libs/
								#verbose cp "$d0/misc/builddeps/dp.linux32/lib/libd0_rijndael".* .libs/
								#verbose cp "$d0/misc/builddeps/dp.linux32/lib/libgmp".* .libs/
								MAKEFLAGS="$MAKEFLAGS DP_CRYPTO_STATIC_LIBDIR=../misc/builddeps/dp.linux32/lib/ DP_CRYPTO_RIJNDAEL_STATIC_LIBDIR=../misc/builddeps/dp.linux32/lib/"
								;;
							*)
								compiled0=true
								;;
						esac
						;;
					Darwin)
						verbose cp "$d0/misc/buildfiles/osx/Xonotic.app/Contents/MacOS/libd0_blind_id".* .libs/
						verbose cp "$d0/misc/buildfiles/osx/Xonotic.app/Contents/MacOS/libd0_rijndael".* .libs/
						;;
					*)
						compiled0=true
						;;
				esac
			fi
		fi
		if $compiled0; then
			if $cleand0; then
				if [ -f Makefile ]; then
					verbose make $MAKEFLAGS distclean
				fi
			fi
			if ! [ -f Makefile ]; then
				verbose sh autogen.sh
				verbose ./configure
			fi
			verbose make $MAKEFLAGS
		fi

		enter "$d0/fteqcc" verbose
		if $cleanqcc; then
			verbose make $MAKEFLAGS clean
		fi
		verbose make $MAKEFLAGS

		enter "$d0/data/xonotic-data.pk3dir" verbose
		if $cleanqc; then
			verbose make FTEQCC="../../../../fteqcc/fteqcc.bin" "$@" $MAKEFLAGS clean
		fi
		verbose make FTEQCC="../../../../fteqcc/fteqcc.bin" "$@" $MAKEFLAGS
		# 4 levels up: data, xonotic-data, qcsrc, server

		enter "$d0/darkplaces" verbose
		if [ x"$BAD_TARGETS" = x" " ]; then
			$ECHO "Warning: invalid empty client, default clients will be used."
		fi
		if $cleandp; then
			verbose make $MAKEFLAGS clean
		fi
		for T in $TARGETS; do
			verbose make $MAKEFLAGS STRIP=: "$@" "$T"
		done
		for T in $BAD_TARGETS; do
			$ECHO "Warning: discarded invalid client $T."
		done

		verbose "$SELF" update-maps
		;;
	run)
		if [ -n "$WE_HATE_OUR_USERS" ]; then
			client=
			export PATH="$d0/misc/buildfiles/win32:$d0/d0_blind_id/.libs:$PATH"
		elif [ x"`uname`" = x"Darwin" ]; then
			export DYLD_LIBRARY_PATH="$d0/misc/buildfiles/osx/Xonotic-SDL.app/Contents/MacOS:$d0/d0_blind_id/.libs"
			export DYLD_FRAMEWORK_PATH="$d0/misc/buildfiles/osx/Xonotic-SDL.app/Contents/Frameworks"
			client=-sdl
		else
			export LD_LIBRARY_PATH="$d0/d0_blind_id/.libs"
			client=-sdl
		fi
		case "$1" in
			sdl|glx|agl|dedicated)
				client=-$1
				shift
				;;
			wgl)
				client=
				shift
				;;
		esac
		if ! [ -x "darkplaces/darkplaces$client" ]; then
			if [ -x "darkplaces/darkplaces$client.exe" ]; then
				client=$client.exe
			else
				$ECHO "Client darkplaces/darkplaces$client not found, aborting"
				exit 1
			fi
		fi
		set -- "darkplaces/darkplaces$client" -xonotic -mygames "$@"

		# if pulseaudio is running: USE IT
		if [ -z "$SDL_AUDIODRIVER" ] && ! [ -n "$WE_HATE_OUR_USERS" ] && ! [ x"`uname`" = x"Darwin" ]; then
			if ps -C pulseaudio >/dev/null; then
				if ldd /usr/lib/libSDL.so 2>/dev/null | grep pulse >/dev/null; then
					export SDL_AUDIODRIVER=pulse
				fi
			fi
		fi

		binary=$1

		if [ x"$USE_GDB" = x"yes" ]; then
			set -- gdb --args "$@"
		elif [ x"$USE_GDB" != x"no" ] && which gdb >/dev/null 2>&1; then
			set -- gdb --batch -x savecore.gdb --args "$@"
		elif which catchsegv >/dev/null 2>&1; then
			set -- catchsegv "$@"
		fi
		rm -f xonotic.core
		"$@" || true
		if [ -f xonotic.core ]; then
			if yesno "The program has CRASHED. Do you want to examine the core dump?"; then
				gdb "$binary" xonotic.core
			#elif yesno "You did not want to examine the core dump. Do you want to provide it - including your DarkPlaces checkout - to the Xonotic developers?"; then
			#	tar cvzf xonotic.core.tar.gz xonotic.core darkplaces/*.c darkplaces/*.h
			#	# somehow send it
			#	rm -f xonotic.core.tar.gz
			else
				$ECHO "The core dump can be examined later by"
				$ECHO "  gdb $binary xonotic.core"
			fi
			exit 1
		fi
		;;
	each|foreach)
		keep_going=false
		if [ x"$1" = x"-k" ]; then
			keep_going=true
			shift
		fi
		for d in $repos; do
			if verbose cd "$d0/$d"; then
				if $keep_going; then
					verbose "$@" || true
				else
					verbose "$@"
				fi
				cd "$d0"
			fi
		done
		;;
	save-patches)
		outfile=$1
		patchdir=`mktemp -d -t save-patches.XXXXXX`
		for d in $repos; do
			enter "$d0/$d" verbose
			git branch -v -v | cut -c 3- | {
				i=0
				while read -r BRANCH REV UPSTREAM TEXT; do
					case "$UPSTREAM" in
						\[*)
							UPSTREAM=${UPSTREAM#\[}
							UPSTREAM=${UPSTREAM%\]}
							UPSTREAM=${UPSTREAM%:*}
							TRACK=true
							;;
						*)
							UPSTREAM=origin/"`repobranch "$d"`"
							TRACK=false
							;;
					esac
					if [ x"$REV" = x"->" ]; then
						continue
					fi
					if git format-patch -o "$patchdir/$i" "$UPSTREAM".."$BRANCH"; then
						$ECHO "$d" > "$patchdir/$i/info.txt"
						$ECHO "$BRANCH" >> "$patchdir/$i/info.txt"
						$ECHO "$UPSTREAM" >> "$patchdir/$i/info.txt"
						$ECHO "$TRACK" >> "$patchdir/$i/info.txt"
						i=$(($i+1))
					else
						rm -rf "$patchdir/$i"
					fi
				done
			}
		done
		( cd "$patchdir" && tar cvzf - . ) > "$outfile"
		rm -rf "$patchdir"
		;;
	restore-patches)
		infile=$1
		patchdir=`mktemp -d -t restore-patches.XXXXXX`
		( cd "$patchdir" && tar xvzf - ) < "$infile"
		# detach the head
		for P in "$patchdir"/*/info.txt; do
			D=${P%/info.txt}
			exec 3<"$P"
			read -r d <&3
			read -r BRANCH <&3
			read -r UPSTREAM <&3
			read -r TRACK <&3
			verbose git checkout HEAD^0
			verbose git branch -D "$BRANCH"
			if [ x"$TRACK" = x"true" ]; then
				verbose git checkout --track -b "$BRANCH" "$UPSTREAM"
			else
				verbose git branch -b "$BRANCH" "$UPSTREAM"
			fi
			verbose git am "$D"
		done
		rm -rf "$patchdir"
		;;
	admin-merge)
		branch=$1
		t=`mktemp`
		report=""
		reportecho()
		{
			report=$report"$*$LF"
			$ECHO "$*"
		}
		reportecho4()
		{
			report=$report"    $*$LF"
			$ECHO "    $*"
		}
		reportdo4()
		{
			o=`"$@" | sed 's/^/    /' || true`
			reportecho "$o"
		}
		for d in $repos; do
			case "$d" in
				fteqcc)
					# sorry, fteqcc repo is managed manually
					continue
					;;
			esac
			enter "$d0/$d" verbose
			base="`repobranch "$d"`"
			reportecho "In $d:"
			for ref in `git for-each-ref --format='%(refname)' refs/remotes/origin/`; do
				case "${ref#refs/remotes/origin/}" in
					"$base")
						continue
						;;
					HEAD|master)
						continue
						;;
					*/*)
						;;
					*)
						continue
						;;
				esac
				if [ -n "$branch" ]; then
					if [ x"$branch" != x"${ref#refs/remotes/origin/}" ]; then
						continue
					fi
				fi
				case "$base" in
					master)
						realbase=$base
						;;
					*)
						l0=`git rev-list "$base".."$ref" | wc -l`
						l1=`git rev-list master.."$ref" | wc -l`
						if [ $l0 -gt $l1 ]; then
							realbase=master
						else
							realbase=$base
						fi
						;;
				esac
				reportecho "  Branch $ref:"
				note=`GIT_NOTES_REF=refs/notes/admin-merge git notes show "$ref" 2>/dev/null || true`
				logdata=`git log --color "$realbase".."$ref"`
				if [ -z "$logdata" ]; then
					reportecho4 "--> not merging, no changes vs master"
					if yesno "Branch \"$ref\" probably should get deleted. Do it?" ''; then
						git push origin :"${ref#refs/remotes/origin/}"
						reportecho4 "--> branch deleted"
					fi
				else
					diffdata=`git diff --color --find-copies-harder --ignore-space-change "$realbase"..."$ref"`
					if [ -z "$diffdata" ]; then
						reportecho4 "--> not merging, no changes vs master, branch contains redundant history"
						if yesno "Branch \"$ref\" probably should get deleted. Do it?" '{ $ECHO "$logdata"; } | less -r'; then
							git push origin :"${ref#refs/remotes/origin/}"
							reportecho4 "--> branch deleted"
						fi
					elif [ -z "$branch" ] && [ -n "$note" ]; then
						reportdo4 $ECHO "$note"
						reportecho4 "--> not merging, already had this one rejected before"
					elif yesno "Branch \"$ref\" may want to get merged. Do it?" '{ $ECHO "$logdata"; $ECHO "$diffdata"; } | less -r'; then
						git checkout "$realbase"
						org=`git rev-parse HEAD`
						if ! git merge --no-ff "$ref" 2>&1 | tee "$t" && ! { git ls-files -u | grep ' 1	' >/dev/null; }; then
							git reset --hard "$org"
							GIT_NOTES_REF=refs/notes/admin-merge git notes edit -m "Merge failed:$LF`cat "$t"`" "$ref"
							reportdo4 cat "$t"
							reportecho4 "--> merge failed"
						elif ! "$SELF" compile 2>&1 | tee "$t"; then
							git reset --hard "$org"
							GIT_NOTES_REF=refs/notes/admin-merge git notes edit -m "Compile failed:$LF`cat "$t"`" "$ref"
							reportdo4 cat "$t"
							reportecho4 "--> compile failed"
						elif ! yesno "Still merge \"$ref\" into `git symbolic-ref HEAD` of $d? Maybe you want to test first."; then
							git reset --hard "$org"
							GIT_NOTES_REF=refs/notes/admin-merge git notes edit "$ref"
							note=`GIT_NOTES_REF=refs/notes/admin-merge git notes show "$ref" 2>/dev/null || true`
							if [ x"$note" = x"del" ]; then
								git push origin :"${ref#refs/remotes/origin/}"
								reportecho4 "--> test failed, branch deleted"
							elif [ -n "$note" ]; then
								reportdo4 $ECHO "$note"
								reportecho4 "--> test failed"
							else
								reportecho4 "--> test failed, postponed"
							fi
						else
							# apply crlf, or other cleanup filters (non-behavioural changes)
							git reset --hard
							find . -type f -exec touch {} \;
							git commit -a --amend -C HEAD || true # don't fail if nothing to commit

							$ECHO "MERGING"
							case ",`repoflags "$d"`," in
								*,svn,*)
									# we do quite a mess here... luckily we know $org
									git fetch # svn needs to be current
									git rebase -i --onto origin/master "$org"
									git svn dcommit --add-author-from
									git reset --hard "$org"
									;;
								*)
									git push origin HEAD
									;;
							esac
							reportecho4 "--> MERGED"
							if yesno "Delete original branch \"$ref\"?"; then
								git push origin :"${ref#refs/remotes/origin/}"
								reportecho4 "--> branch deleted"
							fi
						fi
					else
						GIT_NOTES_REF=refs/notes/admin-merge git notes edit "$ref"
						note=`GIT_NOTES_REF=refs/notes/admin-merge git notes show "$ref" 2>/dev/null || true`
						if [ x"$note" = x"del" ]; then
							git push origin :"${ref#refs/remotes/origin/}"
							reportecho4 "--> branch deleted"
						elif [ -n "$note" ]; then
							reportdo4 $ECHO "$note"
							reportecho4 "--> rejected"
						else
							reportecho4 "--> postponed"
						fi
					fi
				fi
				reportecho ""
			done
			reportecho ""
		done
		rm -f "$t"
		$ECHO "$report" | ssh nexuiz@rm.endoftheinternet.org cat '>>' public_html/xonotic-merge-notes.txt
		;;
	clean)
		"$SELF" fix_config
		"$SELF" update -N
		force=false
		gotoupstream=false
		fetchupstream=false
		gotomaster=false
		rmuntracked=false
		killbranches=false
		# usage:
		#   ./all clean [-m] [-f | -fu | -fU] [-r] [-D]
		#   ./all clean --reclone
		found=false
		for X in "$@"; do
			if [ x"$X" = x"--reclone" ]; then
				force=true
				fetchupstream=true
				gotoupstream=true
				gotomaster=true
				rmuntracked=true
				killbranches=true
			elif [ x"$X" = x"-f" ]; then
				force=true
			elif [ x"$X" = x"-u" ]; then
				gotoupstream=true
			elif [ x"$X" = x"-U" ]; then
				gotoupstream=true
				fetchupstream=true
			elif [ x"$X" = x"-fu" ]; then
				force=true
				gotoupstream=true
			elif [ x"$X" = x"-fU" ]; then
				force=true
				gotoupstream=true
				fetchupstream=true
			elif [ x"$X" = x"-m" ]; then
				gotomaster=true
			elif [ x"$X" = x"-r" ]; then
				rmuntracked=true
			elif [ x"$X" = x"-D" ]; then
				killbranches=true
			elif $ECHO "$X" | grep '^-FFFF*UUUU*$' >/dev/null; then
				msg ''
				msg "        _____"
				msg "    ,--'-\\P/\`\\  FFFFFFF"
				msg " __/_    B/,-.\\  FFFFFFF"
				msg " /  _\\  (//  O\\\\  FFFFFF"
				msg "| (O  \`) _\\._ _)\\  FFFUU"
				msg "| |___/.^d0~~\"\\  \\ UUUU"
				msg "|     |\`~'     \\ |  UUUU"
				msg "|     |    __,C>|| UUUU"
				msg "\\    /_ ,-/,-'   |  UUUU"
				msg " \\\\_ \\_>~'      /  UUUU-"
				msg ''
			else
				msg "Unknown arg: $X"
			fi
			found=true
			shift
		done
		if ! $found; then
			rmuntracked=true
		fi
		for d in $repos; do
			verbose cd "$d0/$d"
			if $gotoupstream; then
				if ! $force; then
					msg "Must also use -f (delete local changes) when using -u"
					exit 1
				fi
				if $gotomaster; then
					if $fetchupstream; then
						verbose git fetch origin
						verbose git remote prune origin
					fi
					verbose git checkout -f "`repobranch "$d"`"
					verbose git reset --hard origin/"`repobranch "$d"`"
				else
					r=`git symbolic-ref HEAD`
					r=${r#refs/heads/}
					rem=`git config "branch.$r.remote" || $ECHO origin`
					bra=`git config "branch.$r.merge" || $ECHO "$r"`
					upstream="$rem/${bra#refs/heads/}"
					if $fetchupstream; then
						verbose git fetch "$rem"
						verbose git remote prune "$rem"
					fi
					if ! git rev-parse "$upstream" >/dev/null 2>&1; then
						upstream="origin/`repobranch "$d"`"
					fi
					verbose git reset --hard "$upstream"
				fi
			elif $gotomaster; then
				if $force; then
					verbose git checkout -f "`repobranch "$d"`"
					verbose git reset --hard
				else
					verbose git checkout "`repobranch "$d"`"
				fi
			elif $force; then
				verbose git reset --hard
			fi
			if $rmuntracked; then
				case "$d" in
					.)
						verbose git clean -df || true
						;;
					*)
						verbose git clean -xdf || true
						;;
				esac
			fi
			if $killbranches; then
				git for-each-ref --format='%(refname)' refs/heads/ | while IFS= read -r B; do
					if [ x"$B" != x"`git symbolic-ref HEAD`" ]; then
						verbose git branch -D "${B#refs/heads/}"
					fi
				done
				git rev-parse refs/heads/master >/dev/null 2>&1 || verbose git branch --track master origin/master || true
				git rev-parse "refs/heads/`repobranch "$d"`" >/dev/null 2>&1 || verbose git branch --track "`repobranch "$d"`" origin/"`repobranch "$d"`" || true
			fi
			checkself "$cmd" "$@"
		done
		;;

	# release building goes here
	release-prepare)
		#"$SELF" each git clean -fxd
		case "$RELEASETYPE" in
			beta)
				msg "Building a BETA"
				;;
			release)
				msg "Building a RELEASE"
				;;
			*)
				$ECHO >&2 -n "$ESC[2J$ESC[H"
				msg ""
				msg ""
				msg ""
				msg ""
				msg ""
				msg ""
				msg "        +---------------------------------------------------------.---+"
				msg "        | NOTE                                                    | X |"
				msg "        +---------------------------------------------------------^---+"
				msg "        |   ____                                                      |"
				msg "        |  /    \  This is the official release build system.         |"
				msg "        | |      | If you are not a member of the Xonotic Core Team,  |"
				msg "        | | STOP | you are not supposed to use this script and should |"
				msg "        | |      | instead use ./all compile to compile the engine    |"
				msg "        |  \____/  and game code.                                     |"
				msg "        |                                                             |"
				msg "        |                      [ I understand ]                       |"
				msg "        +-------------------------------------------------------------+"
				sleep 10
				# A LOT of build infrastructure is required:
				# - vorbis-tools
				# - ImageMagick
				# - .ssh/config must be configured so the following
				#   host names are reachable and have a compile
				#   infrastructure set up:
				#   - xonotic-build-linux32 (with gcc on x86)
				#   - xonotic-build-linux64 (with gcc on x86_64)
				#   - xonotic-build-win32 (with i586-mingw32msvc-g++)
				#   - xonotic-build-win64 (with amd64-mingw32msvc-g++
				#     and x86_64-w64-mingw32-g++)
				#   - xonotic-build-osx (with Xcode and SDL.framework)
				# - AMD Compressonator installed in WINE
				# - ResEdit installed in WINE
				# - a lot of other requirements you will figure out
				#   while reading the error messages
				# - environment variable RELEASETYPE set
				# - optionally, environment variable RELEASEDATE set
				#   (YYYYMMDD)
				exit 1
				;;
		esac
		verbose rm -rf Xonotic Xonotic*.zip
		verbose mkdir -p Xonotic
		if [ -n "$RELEASEDATE" ]; then
			verbose $ECHO "$RELEASEDATE" > Xonotic/stamp.txt
		else
			verbose date +%Y%m%d > Xonotic/stamp.txt
		fi
		verbose git archive --format=tar HEAD -- Docs misc server xonotic-linux-glx.sh xonotic-linux-sdl.sh misc/buildfiles key_0.d0pk | {
			verbose cd Xonotic
			verbose mkdir data fteqcc source source/darkplaces source/fteqcc
			verbose tar xvf -
			verbose rm -rf misc/builddeps
			verbose mv misc/buildfiles/win32/* . || true
			verbose mv misc/buildfiles/win64 bin64 || true
			verbose mv misc/buildfiles/osx/* . || true
			verbose rm -rf misc/buildfiles
			verbose rm -rf misc/pki
		}
		{
			verbose cd darkplaces
			verbose git archive --format=tar HEAD
		} | {
			verbose cd Xonotic/source/darkplaces
			verbose tar xvf -
		}
		{
			verbose cd fteqcc
			verbose git archive --format=tar HEAD
		} | {
			verbose cd Xonotic/source/fteqcc
			verbose tar xvf -
		}
		{
			verbose cd data/xonotic-data.pk3dir
			verbose git archive --format=tar HEAD -- qcsrc Makefile
		} | {
			verbose cd Xonotic/source
			verbose tar xvf -
		}
		rm -f Xonotic/key_15.d0pk
		;;
	release-compile-run)
		host=$1
		buildpath=$2
		maketargets=$3
		makeflags=$4
		srcdir=$5
		depsdir=$6
		targetfiles=$7
		set -x
		if [ -n "$targetfiles" ]; then
			case " $HOSTS_THAT_ARE_DISABLED " in
				*\ $host\ *)
					exit
					;;
			esac
			case " $HOSTS_THAT_ARE_MYSELF " in
				*\ $host\ *)
					verbose rsync --delete -zLvaSHP "$srcdir"/ "$buildpath/"
					verbose rsync --delete -zLvaSHP "$depsdir"/ "$buildpath.deps/"
					verbose ln -snf "$buildpath.deps" "$buildpath/.deps"
					verbose eval make -C "$buildpath" clean $maketargets $makeflags
					for f in $targetfiles; do
						verbose mv "$buildpath/${f%:*}" "${f##*:}" || true
					done
					;;
				*)
					verbose rsync --delete -zLvaSHP "$srcdir"/ "$host:$buildpath/"
					verbose rsync --delete -zLvaSHP "$depsdir"/ "$host:$buildpath.deps/"
					verbose ssh "$host" "ln -snf $buildpath.deps $buildpath/.deps && cd $buildpath && nice -`nice` make clean $maketargets $makeflags"
					for f in $targetfiles; do
						verbose rsync -zvaSHP "$host:$buildpath/${f%:*}" "${f##*:}" || true
					done
					;;
			esac
			# now rebrand the binaries...
			for f in $targetfiles; do
				#verbose "$d0/misc/tools/rebrand-darkplaces-engine.sh" "${XONOTIC_BRAND:-$d0/misc/tools/xonotic.brand}" "${f##*:}" || true
				case "${f##*:}" in
					xonotic*.exe)
						verbose "$d0/misc/tools/change-icon-of-exe.sh" "$d0/misc/logos/icons_ico/xonotic.ico" "${f##*:}"
						(
							d=`mktemp -d -t rebrand.XXXXXX`
							cd "$d"
							$ECHO "-mygames" > darkplaces.opt
							zip -9r darkplaces.zip darkplaces.opt
							cat darkplaces.zip
							cd "$d0"
							rm -rf "$d"
						) >> "${f##*:}"
						;;
				esac
			done
		fi
		;;
	release-compile)
		suffix=$1
		makeflags=$2
		fteqcc_maketargets=$3
		fteqcc_files=$4
		darkplaces_maketargets=$5
		darkplaces_files=$6
		host=xonotic-build-$suffix
		verbose "$SELF" release-compile-run "$host" /tmp/fteqcc.build."$suffix" "$fteqcc_maketargets" "$makeflags" "Xonotic/source/fteqcc" "$d0/misc/builddeps/dp.$suffix" "$fteqcc_files"
		verbose "$SELF" release-compile-run "$host" /tmp/Darkplaces.build."$suffix" "$darkplaces_maketargets" "$makeflags" "Xonotic/source/darkplaces" "$d0/misc/builddeps/dp.$suffix" "$darkplaces_files"
		;;
	release-engine-win32)
		verbose "$SELF" release-compile win32 \
			'STRIP=: DP_MAKE_TARGET=mingw CC="i586-mingw32msvc-gcc -march=i686 -g -Wl,--dynamicbase -Wl,--nxcompat -I.deps/include -L.deps/lib -DUSE_WSPIAPI_H -DSUPPORTIPV6" WINDRES="i586-mingw32msvc-windres" SDL_CONFIG=".deps/bin/sdl-config" LIB_JPEG= CFLAGS_LIBJPEG= WIN32RELEASE=1 D3D=0' \
			win 'fteqcc.exe:Xonotic/fteqcc/fteqcc.exe' \
			'' ''
		verbose "$SELF" release-compile win32 \
			'STRIP=: DP_MAKE_TARGET=mingw CC="i586-mingw32msvc-gcc -g -Wl,--dynamicbase -Wl,--nxcompat -I.deps/include -L.deps/lib -DUSE_WSPIAPI_H -DSUPPORTIPV6" WINDRES="i586-mingw32msvc-windres" SDL_CONFIG=".deps/bin/sdl-config" LIB_JPEG= CFLAGS_LIBJPEG= WIN32RELEASE=1 D3D=0' \
			'' '' \
			release 'darkplaces.exe:Xonotic/xonotic.exe darkplaces-sdl.exe:Xonotic/xonotic-sdl.exe darkplaces-dedicated.exe:Xonotic/xonotic-dedicated.exe'
		;;
	release-engine-win64)
		verbose "$SELF" release-compile win64 \
			'STRIP=: DP_MAKE_TARGET=mingw CC="amd64-mingw32msvc-gcc -g -Wl,--dynamicbase -Wl,--nxcompat -I.deps/include -L.deps/lib -DSUPPORTIPV6" WINDRES="amd64-mingw32msvc-windres" SDL_CONFIG=".deps/bin/sdl-config" LIB_JPEG= CFLAGS_LIBJPEG= WIN64RELEASE=1 D3D=0' \
			win 'fteqcc.exe:Xonotic/fteqcc/fteqcc-x64.exe' \
			'sv-release sdl-release' 'darkplaces-sdl.exe:Xonotic/xonotic-x64-sdl.exe darkplaces-dedicated.exe:Xonotic/xonotic-x64-dedicated.exe'
		verbose "$SELF" release-compile win64 \
			'STRIP=: DP_MAKE_TARGET=mingw CC="x86_64-w64-mingw32-gcc -g -Wl,--dynamicbase -Wl,--nxcompat -I.deps/include -L.deps/lib -DSUPPORTIPV6" WINDRES="x86_64-w64-mingw32-windres" SDL_CONFIG=".deps/bin/sdl-config" LIB_JPEG= CFLAGS_LIBJPEG= WIN64RELEASE=1 D3D=0' \
			'' '' \
			cl-release 'darkplaces.exe:Xonotic/xonotic-x64.exe'
		;;
	release-engine-osx)
		# gcc on OSX is buggy, needs -fno-reorder-blocks for a release build to succeed
		verbose "$SELF" release-compile osx \
			'STRIP=: CC="gcc -g -arch i386 -arch ppc -arch x86_64 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.4 -I.deps/include -L.deps/lib -fno-reorder-blocks -DSUPPORTIPV6"' \
			all 'fteqcc.bin:Xonotic/fteqcc/fteqcc.osx' \
			'sv-release sdl-release' 'darkplaces-sdl:Xonotic/Xonotic-SDL.app/Contents/MacOS/xonotic-osx-sdl-bin darkplaces-dedicated:Xonotic/xonotic-osx-dedicated'
		verbose "$SELF" release-compile osx \
			'STRIP=: CC="gcc -g -arch i386 -arch ppc -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.4 -I.deps/include -L.deps/lib -fno-reorder-blocks -DSUPPORTIPV6"' \
			'' '' \
			'cl-release' 'darkplaces-agl:Xonotic/Xonotic.app/Contents/MacOS/xonotic-osx-agl-bin'
		;;
	release-engine-linux32)
		verbose "$SELF" release-compile linux32 \
			'STRIP=: CC="gcc -m32 -march=i686 -g -I.deps/include -L.deps/lib -DSUPPORTIPV6" DP_MODPLUG_STATIC_LIBDIR=.deps/lib LIB_JPEG=.deps/lib/libjpeg.a DP_CRYPTO_STATIC_LIBDIR=.deps/lib' \
			all 'fteqcc.bin:Xonotic/fteqcc/fteqcc.linux32' \
			release 'darkplaces-glx:Xonotic/xonotic-linux32-glx darkplaces-sdl:Xonotic/xonotic-linux32-sdl darkplaces-dedicated:Xonotic/xonotic-linux32-dedicated'
		;;
	release-engine-linux64)
		verbose "$SELF" release-compile linux64 \
			'STRIP=: CC="gcc -m64 -g -I.deps/include -L.deps/lib -DSUPPORTIPV6" DP_MODPLUG_STATIC_LIBDIR=.deps/lib LIB_JPEG=.deps/lib/libjpeg.a DP_CRYPTO_STATIC_LIBDIR=.deps/lib' \
			all 'fteqcc.bin:Xonotic/fteqcc/fteqcc.linux64' \
			release 'darkplaces-glx:Xonotic/xonotic-linux64-glx darkplaces-sdl:Xonotic/xonotic-linux64-sdl darkplaces-dedicated:Xonotic/xonotic-linux64-dedicated'
		;;
	release-engine)
		verbose "$SELF" release-engine-linux32 &
		verbose "$SELF" release-engine-linux64 &
		verbose "$SELF" release-engine-win32 &
		verbose "$SELF" release-engine-win64 &
		verbose "$SELF" release-engine-osx &
		wait %1
		wait %2
		wait %3
		wait %4
		wait %5
		wait
		;;
	release-maps)
		verbose "$SELF" update-maps
		;;
	release-qc)
		case "$RELEASETYPE" in
			beta)
				verbose make -C Xonotic/source FTEQCC="../../../fteqcc/fteqcc.linux32" XON_BUILDSYSTEM=1 clean all
				# back out of: source/qcsrc/server
				;;
			release)
				verbose make -C Xonotic/source FTEQCC="../../../fteqcc/fteqcc.linux32" XON_BUILDSYSTEM=1 FTEQCCFLAGS_WATERMARK= clean all
				;;
		esac
		verbose rm -f Xonotic/source/*/fteqcc.log
		;;
	release-buildpk3-transform-raw)
		dir=$1
		;;
	release-buildpk3-transform-normal)
		dir=$1
		verbose cd "$dir"
		# texture: convert to jpeg and dds
		verbose export do_jpeg=true
		verbose export jpeg_qual_rgb=95
		verbose export jpeg_qual_a=99
		verbose export do_dds=true
		verbose export dds_flags=
		verbose export do_ogg=false
		verbose export del_src=true
		find . -type f -print0 | verbose xargs -0 "$d0"/misc/tools/cached-converter.sh
		;;
	release-buildpk3-transform-low)
		dir=$1
		verbose cd "$dir"
		# texture: convert to jpeg and dds
		# music: reduce bitrate
		verbose export do_jpeg=true
		verbose export jpeg_qual_rgb=80
		verbose export jpeg_qual_a=97
		verbose export do_dds=false
		verbose export do_ogg=true
		verbose export ogg_qual=1
		verbose export del_src=true
		find . -type f -print0 | verbose xargs -0 "$d0"/misc/tools/cached-converter.sh
		;;
	release-buildpk3-transform-lowdds)
		dir=$1
		verbose cd "$dir"
		# texture: convert to jpeg and dds
		# music: reduce bitrate
		verbose export do_jpeg=false
		verbose export do_jpeg_if_not_dds=true
		verbose export jpeg_qual_rgb=80
		verbose export jpeg_qual_a=99
		verbose export do_dds=true
		verbose export dds_flags=
		verbose export do_ogg=true
		verbose export ogg_qual=1
		verbose export del_src=true
		find . -type f -print0 | verbose xargs -0 "$d0"/misc/tools/cached-converter.sh
		;;
	release-buildpk3)
		src=$1
		dst=$2
		transform=$3
		case "$dst" in
			/*)
				;;
			*/)
				dst="$PWD/$dst"
				;;
		esac
		verbose rm -rf Xonotic/temp
		verbose mkdir -p Xonotic/temp
		{
			verbose cd "$src"
			verbose git archive --format=tar HEAD
		} | {
			verbose cd Xonotic/temp
			verbose tar xvf -
		}
		verbose cd Xonotic/temp
		if [ x"$src" = x"data/xonotic-data.pk3dir" ]; then
			verbose cp ../source/progs.dat .
			verbose cp ../source/csprogs.dat .
			verbose cp ../source/menu.dat .
			verbose rm -rf qcsrc
			gv=`grep "^gameversion " "defaultXonotic.cfg" | awk '{ print $2 }'`
			major=$(($gv / 10000))
			minor=$(($gv / 100 - $major * 100))
			patch=$(($gv - $major * 10000 - $minor * 100))
			versionstr="$major.$minor.$patch"
			case "$RELEASETYPE" in
				beta)
					versionstr="$versionstr""beta"
					;;
			esac
			verbose sed -i "
				s/^set g_xonoticversion [^ ]* /set g_xonoticversion $versionstr /;
				s/^gameversion_min [0-9]*/gameversion_min $(( ($gv / 100) * 100 - 100 ))/;
				s/^gameversion_max [0-9]*/gameversion_max $(( ($gv / 100) * 100 + 199 ))/;
			" defaultXonotic.cfg
			(
				verbose cd gfx/menu/luminos
				verbose cp "$d0"/mediasource/gfx/menu/luminos_versionbuilder/background_l2.svg .
				verbose "$d0"/mediasource/gfx/menu/luminos_versionbuilder/versionbuilder "$versionstr"
				verbose rm background_l2.svg
			)
		fi
		if [ x"$src" = x"data/xonotic-maps.pk3dir" ]; then
			for X in ../../data/*-????????????????????????????????????????-????????????????????????????????????????.pk3; do
				if [ -f "$X" ]; then
					verbose unzip "$X"
					verbose rm -f maps/*.log maps/*.irc maps/*.lin
				fi
			done
		fi
		verbose export git_src_repo="$d0/$src" # skip hash-object
		verbose "$SELF" release-buildpk3-transform-$transform "Xonotic/temp"
		verbose mkzip "../../$dst" *
		verbose cd ../..
		verbose rm -rf Xonotic/temp
		;;
	release-buildpk3s)
		stamp=`cat Xonotic/stamp.txt`
		src=$1
		shift
		dst=${src%.pk3dir}
		case "$dst" in
			data/xonotic-*)
				dst="data/xonotic-$stamp-${dst#data/xonotic-}"
				;;
			*)
				dst="$dst-$stamp"
				;;
		esac
		while [ "$#" -gt 1 ]; do
			verbose "$SELF" release-buildpk3 "$src" "Xonotic/$dst$2.pk3" "$1"
			shift
			shift
		done
		;;
	release-pack)
		verbose "$SELF" release-buildpk3s data/font-nimbussansl.pk3dir             raw ''
		verbose "$SELF" release-buildpk3s data/xonotic-data.pk3dir       normal ''            low '-low' lowdds '-lowdds'
		verbose "$SELF" release-buildpk3s data/xonotic-maps.pk3dir       normal ''            low '-low' lowdds '-lowdds'
		verbose "$SELF" release-buildpk3s data/xonotic-music.pk3dir                raw ''     low '-low'
		verbose "$SELF" release-buildpk3s data/xonotic-nexcompat.pk3dir                       low ''
		;;
	release-pack-needsx11)
		case "$DISPLAY" in
			'')
				verbose startx "$SELF" release-pack -- /usr/bin/Xvfb :7
				;;
			*)
				verbose "$SELF" release-pack
				;;
		esac
		;;
	release-zip)
		stamp=`cat Xonotic/stamp.txt`
		# exe and dll files do not need +x, so this makes them eligible for 7zip compression too
		chmod a-x Xonotic/*.exe Xonotic/*.dll || true
		# let's pass crypto import laws of some nasty countries
		crypto_libs=`find Xonotic -name \*d0_rijndael\*`
		if [ -n "$crypto_libs" ]; then
			verbose mkzip Xonotic-$stamp-crypto.zip \
				$crypto_libs
			rm -f $crypto_libs
		fi
		# build the archives
		verbose mkzip Xonotic-$stamp-engine.zip \
			Xonotic/*.dll \
			Xonotic/bin64/*.dll \
			Xonotic/*.app \
			Xonotic/xonotic-* \
			Xonotic/xonotic.exe \
			Xonotic/source/darkplaces/
		verbose cp Xonotic-$stamp-engine.zip Xonotic-$stamp-common.zip
		verbose mkzip Xonotic-$stamp-common.zip \
			Xonotic/source/fteqcc/ \
			Xonotic/source/qcsrc/ \
			Xonotic/Docs \
			Xonotic/misc \
			Xonotic/fteqcc \
			Xonotic/server \
			Xonotic/key_0.d0pk \
			Xonotic/data/font-nimbussansl-$stamp.pk3
		verbose cp Xonotic-$stamp-common.zip Xonotic-$stamp.zip
		verbose mkzip0 Xonotic-$stamp.zip \
			Xonotic/data/xonotic-$stamp-data.pk3 \
			Xonotic/data/xonotic-$stamp-maps.pk3 \
			Xonotic/data/xonotic-$stamp-music.pk3 \
			Xonotic/data/xonotic-$stamp-nexcompat.pk3
		verbose cp Xonotic-$stamp-common.zip Xonotic-$stamp-low.zip
		verbose mkzip0 Xonotic-$stamp-low.zip \
			Xonotic/data/xonotic-$stamp-data-low.pk3 \
			Xonotic/data/xonotic-$stamp-maps-low.pk3 \
			Xonotic/data/xonotic-$stamp-music-low.pk3
#		verbose cp Xonotic-$stamp-common.zip Xonotic-$stamp-high.zip
#		verbose mkzip0 Xonotic-$stamp-high.zip \
#			Xonotic/data/xonotic-$stamp-data-raw.pk3 \
#			Xonotic/data/xonotic-$stamp-maps-raw.pk3 \
#			Xonotic/data/xonotic-$stamp-music.pk3 \
#			Xonotic/data/xonotic-$stamp-nexcompat.pk3
		verbose mv Xonotic-$stamp-common.zip Xonotic-$stamp-lowdds.zip
		verbose mkzip0 Xonotic-$stamp-lowdds.zip \
			Xonotic/data/xonotic-$stamp-data-lowdds.pk3 \
			Xonotic/data/xonotic-$stamp-maps-lowdds.pk3 \
			Xonotic/data/xonotic-$stamp-music-low.pk3
		;;
	release)
		verbose "$SELF" release-prepare
		verbose "$SELF" release-maps
		verbose "$SELF" release-engine
		verbose "$SELF" release-qc
		verbose "$SELF" release-pack-needsx11
		verbose "$SELF" release-zip
		;;

	*)
		$ECHO "Usage:"
		$ECHO "  $SELF admin-merge [<branch>]"
		$ECHO "  $SELF branch <branch>"
		$ECHO "  $SELF branch <remote> <branch> [<srcbranch>]"
		$ECHO "  $SELF branches"
		$ECHO "  $SELF checkout|switch <branch>"
		$ECHO "  $SELF checkout|switch <remote>/<branch>"
		$ECHO "  $SELF clean [-m] [-f | -fu | -fU] [-r] [-D]"
		$ECHO "  $SELF clean --reclone"
		$ECHO "  $SELF compile [-c] [-r] [-0]"
		$ECHO "  $SELF each|foreach [-k] command..."
		$ECHO "  $SELF fix_upstream_rebase"
		$ECHO "  $SELF keygen"
		$ECHO "  $SELF merge"
		$ECHO "  $SELF push|commit [-s]"
		$ECHO "  $SELF release"
		$ECHO "  $SELF restore-patches"
		$ECHO "  $SELF run [sdl|glx|wgl|agl|dedicated] options..."
		$ECHO "  $SELF save-patches"
		$ECHO "  $SELF update-maps"
		$ECHO "  $SELF update|pull [-N] [-s | -h [-p] | -g [-p]] [-l de|nl|default]"
		;;
esac