#!/bin/sh

iterate()
{
	"$@" GX - bin/opera@@{SUFFIX}
	"$@" GX - bin/opera@@{SUFFIX}-widget-manager
	if ! $repackage
	then
		"$@" GX - bin/uninstall-opera@@{SUFFIX}
	fi
	"$@" NF 1786f9ffcd72098fcd46305936a8e13b lib/opera@@{SUFFIX}/gstreamer/plugins/libgstoperamatroska.so
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	"$@" NF c5bd2ce6af736c8ff4ca64732f2b46cc lib/opera@@{SUFFIX}/liboperagtk.so
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	"$@" NX 3563fa58d9b95dc7702756ff4a97c13b lib/opera@@{SUFFIX}/opera@@{SUFFIX}
	"$@" NX 9c24a58b01822f1b9197e5f31d829a1f lib/opera@@{SUFFIX}/operaplugincleaner
	"$@" NX 25d85f7cafb4d87c7b45c3ab3c8ef824 lib/opera@@{SUFFIX}/operapluginwrapper
	"$@" NF 0a8389b127c477aa2c55ee5d234473ca lib/opera@@{SUFFIX}/plugins/README
	"$@" PF 7391965010108b488c3bc526c8c7015c share/applications/opera@@{SUFFIX}-browser.desktop
	"$@" PF e78f45e2dc8098046f2a19e268031058 share/applications/opera@@{SUFFIX}-widget-installer.desktop
	"$@" PF 4d84c2febef83fd835ebf0d9f1f5d7df share/applications/opera@@{SUFFIX}-widget-manager.desktop
	"$@" NF 3214f080875748938ba060314b4f727d share/doc/opera@@{SUFFIX}/LGPL-2
	"$@" NF bca0f32b4c9d40e1694f74feeefe42c2 share/doc/opera@@{SUFFIX}/LICENSE
	"$@" NF c9996f43d681b457f038bfc8efeef28a share/doc/opera@@{SUFFIX}/README.gstreamer
	"$@" NF e86ae7a20a7bc688af75a10d628de734 share/icons/hicolor/128x128/apps/opera@@{SUFFIX}-browser.png
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	"$@" LL ../mimetypes/opera@@{SUFFIX}-widget.png share/icons/hicolor/128x128/apps/opera@@{SUFFIX}-widget.png
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	"$@" LL ../mimetypes/opera@@{SUFFIX}-widget.png share/icons/hicolor/16x16/apps/opera@@{SUFFIX}-widget.png
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	"$@" LL ../mimetypes/opera@@{SUFFIX}-widget.png share/icons/hicolor/22x22/apps/opera@@{SUFFIX}-widget.png
	"$@" NF b1aadfffe1a2a4cbc0769505f130f462 share/icons/hicolor/22x22/mimetypes/opera@@{SUFFIX}-extension.png
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	"$@" NF 70c1f737385a88bd616654ef23a187cc share/icons/hicolor/24x24/mimetypes/opera@@{SUFFIX}-extension.png
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	"$@" LL ../mimetypes/opera@@{SUFFIX}-widget.png share/icons/hicolor/32x32/apps/opera@@{SUFFIX}-widget.png
	"$@" NF 852841f582f95cabb04992397fcc97ce share/icons/hicolor/32x32/mimetypes/opera@@{SUFFIX}-extension.png
	"$@" NF 7d861375334ea90d50f01bd84720f54e share/icons/hicolor/32x32/mimetypes/opera@@{SUFFIX}-unite-application.png
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	"$@" NF fe9c0b034eb8961565ee0c19efecc2cd share/icons/hicolor/scalable/mimetypes/opera@@{SUFFIX}-extension.svg
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	"$@" PF a960b3c9c3fabecd6805a4b954d893e1 share/mime/packages/opera@@{SUFFIX}-extension.xml
	"$@" PF c2c25c89d82f6eb553903a414bf51d31 share/mime/packages/opera@@{SUFFIX}-unite-application.xml
	"$@" PF df56e332a5c86b549caaad058b6928b6 share/mime/packages/opera@@{SUFFIX}-widget.xml
	"$@" NF 161af0b9567a78909b440120cbb4fb43 share/opera@@{SUFFIX}/defaults/bookmarks.adr
	"$@" NF 47c08d6696bb0c85d176ee56ff9bd2c7 share/opera@@{SUFFIX}/defaults/feedreaders.ini
	"$@" NF cd2c7135a4f91af45892a366bb5274c8 share/opera@@{SUFFIX}/defaults/filehandler.ini
	"$@" LL ../../doc/opera@@{SUFFIX}/LICENSE share/opera@@{SUFFIX}/defaults/license.txt
	"$@" NF f50581f58f5cd77c60b90c70cb67e9c7 share/opera@@{SUFFIX}/defaults/mailproviders.xml
	"$@" NF 0cb4ac60c1cf45bd08ec4d5d62da5c02 share/opera@@{SUFFIX}/defaults/plugin-ignore.ini
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	"$@" NF 4753a835e647f47f1aa89205bad4fa43 share/opera@@{SUFFIX}/defaults/tips_metadata.ini
	"$@" NF 51e20bcd23e47edb6ff898439b9c7a7c share/opera@@{SUFFIX}/defaults/webmailproviders.ini
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	"$@" NF 62aa163b7ef5a1a61ea93709041e2ba1 share/opera@@{SUFFIX}/encoding.bin
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	"$@" NF 7a2db2de5211ab16a6712e4168d17ec7 share/opera@@{SUFFIX}/html40_entities.dtd
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	"$@" NF d5554623efe7b8f18c5df2611d694f89 share/opera@@{SUFFIX}/locale/ro/search.ini
	"$@" NF 977ea50477956aab095f077b71195c68 share/opera@@{SUFFIX}/locale/ro/standard_speeddial.ini
	"$@" NF 0c111774ee7ef66fe14a99530f099809 share/opera@@{SUFFIX}/locale/ru/bookmarks.adr
	"$@" NF a0266a20dee39f3ac3b4716fbea9c510 share/opera@@{SUFFIX}/locale/ru/ru.lng
	"$@" NF e39c19acbf60feb318828e03f800ecd3 share/opera@@{SUFFIX}/locale/ru/search.ini
	"$@" NF bef08d5efee59c0a75b0c67b2cb2e0f7 share/opera@@{SUFFIX}/locale/ru/standard_speeddial.ini
	"$@" NF f87d99f62148f12097e49c5378dc9835 share/opera@@{SUFFIX}/locale/sk/bookmarks.adr
	"$@" NF 7ecf6286524e75bef2b8b4e1ddc6680a share/opera@@{SUFFIX}/locale/sk/search.ini
	"$@" NF 18786cd83c5c34b9c5aaa5698e4d1241 share/opera@@{SUFFIX}/locale/sk/sk.lng
	"$@" NF 2d396664c6afcea5cd3b6bcccd346f30 share/opera@@{SUFFIX}/locale/sk/standard_speeddial.ini
	"$@" NF 6ff245a20bb3332c17491fd77952655b share/opera@@{SUFFIX}/locale/sr/bookmarks.adr
	"$@" NF 92ae450dfc4c1c2e638b9fe64edf1b30 share/opera@@{SUFFIX}/locale/sr/search.ini
	"$@" NF 72bf518200ff1f2666b066807d99424a share/opera@@{SUFFIX}/locale/sr/sr.lng
	"$@" NF d082f46f2c03a09d9c64b65e31928d89 share/opera@@{SUFFIX}/locale/sr/standard_speeddial.ini
	"$@" NF 8860704ccf06eaf4829fa6003a65cd5e share/opera@@{SUFFIX}/locale/sv/sv.lng
	"$@" NF cb88da1d08cb775d07073fa66928c23a share/opera@@{SUFFIX}/locale/sw/sw.lng
	"$@" NF 9866c6488182e860a81f11140eea2c8f share/opera@@{SUFFIX}/locale/ta/ta.lng
	"$@" NF 4182b05fc29462d400cc54ddd24c019d share/opera@@{SUFFIX}/locale/te/te.lng
	"$@" NF 134700621ce0dfa5f3779a67c843c397 share/opera@@{SUFFIX}/locale/th/th.lng
	"$@" NF d6a142c70865c0fd567cdbd6bcd61e51 share/opera@@{SUFFIX}/locale/tl/tl.lng
	"$@" NF fb1ae5f317bfbd48cc41f7590c590291 share/opera@@{SUFFIX}/locale/tr/tr.lng
	"$@" NF 7645cfc2dc84c3a0196a3679960db1e0 share/opera@@{SUFFIX}/locale/uk/bookmarks.adr
	"$@" NF eb28ab20f2c15dd89109d34ca0903ff4 share/opera@@{SUFFIX}/locale/uk/search.ini
	"$@" NF 26538b623ec4df046e127411a2d946cc share/opera@@{SUFFIX}/locale/uk/standard_speeddial.ini
	"$@" NF 43663944c76e0fac19c2337494784d24 share/opera@@{SUFFIX}/locale/uk/uk.lng
	"$@" NF 85b87a553984191f0bad0f07c9e96d0c share/opera@@{SUFFIX}/locale/uz/uz.lng
	"$@" NF fa81ab6ffc16981225c3a6f432a5f9cd share/opera@@{SUFFIX}/locale/vi/vi.lng
	"$@" NF 4078f16cf13ba30205c7b855d7509a05 share/opera@@{SUFFIX}/locale/zh-cn/bookmarks.adr
	"$@" NF 1d4f56660d253f112073249b0c18633c share/opera@@{SUFFIX}/locale/zh-cn/browser.js
	"$@" NF f3a3db0e429c75484d3811eb04ae06f7 share/opera@@{SUFFIX}/locale/zh-cn/search.ini
	"$@" NF 52394efda8425173a039778bf5c186a4 share/opera@@{SUFFIX}/locale/zh-cn/standard_speeddial.ini
	"$@" NF d44fc31b4c96a97d22624455874764ca share/opera@@{SUFFIX}/locale/zh-cn/turbosettings.xml
	"$@" NF ab8f6189583ad6eba54404222d42f292 share/opera@@{SUFFIX}/locale/zh-cn/zh-cn.lng
	"$@" NF 1d4f56660d253f112073249b0c18633c share/opera@@{SUFFIX}/locale/zh-tw/browser.js
	"$@" NF 6ea2f98cdeaf54c398dca24aea9df644 share/opera@@{SUFFIX}/locale/zh-tw/turbosettings.xml
	"$@" NF 3086befced95d7b6cd72e1461f25b0a0 share/opera@@{SUFFIX}/locale/zh-tw/zh-tw.lng
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	"$@" NF e7e881f582f55beb206ee28c694a9a1c share/opera@@{SUFFIX}/package/lib/layout_common.sh
	"$@" NF 45642baaad2a785da620edf0945690ff share/opera@@{SUFFIX}/package/lib/layout_deb.sh
	"$@" NF ef97aabff0bf409a1b8869d34668d727 share/opera@@{SUFFIX}/package/lib/layout_tar.sh
	"$@" NF a8282806a1e3b9bea0f279348f76d4c2 share/opera@@{SUFFIX}/package/lib/main.sh
	"$@" NF 5843ecaae9aad7e1e0f36bc0d245df45 share/opera@@{SUFFIX}/package/lib/normalize.sh
	"$@" NF 324d47f2b5cf6e64fc7b548883527d5f share/opera@@{SUFFIX}/package/lib/package_deb.sh
	"$@" NF f809760b9a5cce32e0dd95e0fd39eb36 share/opera@@{SUFFIX}/package/lib/package_rpm.sh
	"$@" NF bd8cc8ab3353a0c14c514fb25f74302f share/opera@@{SUFFIX}/package/lib/package_tar.sh
	"$@" NF b2a6eb60c20b9329acad9f519ca66ac0 share/opera@@{SUFFIX}/package/lib/xml.sh
	"$@" NX bca998e6f24510a22be340fea94f81f0 share/opera@@{SUFFIX}/package/main.sh
	"$@" NF 3f0744a4159b1ee3cc94e8360f004152 share/opera@@{SUFFIX}/skin/standard_skin.zip
	"$@" NF d9f1f5403be2506eb89bb3543b70dc82 share/opera@@{SUFFIX}/skin/unix_skin.zip
	"$@" NF 06820e6bdd581b0a257e5e2648360457 share/opera@@{SUFFIX}/styles/about.css
	"$@" NF 4fb7c857524fd084449266fc70e9288b share/opera@@{SUFFIX}/styles/cache.css
	"$@" NF 51738dfa1066ca0716150a59929fd4ce share/opera@@{SUFFIX}/styles/certinfo.css
	"$@" NF 0d566809dfbdef98fa576f318880643c share/opera@@{SUFFIX}/styles/config.css
	"$@" NF 27249ef2c359eb6f207179f0c76214ba share/opera@@{SUFFIX}/styles/contentblock.css
	"$@" NF 3ddaf96398ae99245f6b83e6dc676ac6 share/opera@@{SUFFIX}/styles/debug.css
	"$@" NF 1368beca272c8937ad41f2864d635b95 share/opera@@{SUFFIX}/styles/dir.css
	"$@" NF b899f48166bd73439728244dca611745 share/opera@@{SUFFIX}/styles/error.css
	"$@" NF e9ee42b5c66c0367c1e02a1eeeca0776 share/opera@@{SUFFIX}/styles/history.css
	"$@" NF 12f94765c2868077a49c69c47a546e43 share/opera@@{SUFFIX}/styles/im.css
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	"$@" NF 73b840d67b16a49008b7ed3d6aec38ab share/opera@@{SUFFIX}/styles/images/Opera_256x256.png
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	"$@" NF 71bbdb354d7e65183c86aa36a27ddd1d share/opera@@{SUFFIX}/styles/images/error.png
	"$@" NF ac4455a870ed9d5365377c2d9566240c share/opera@@{SUFFIX}/styles/images/file.png
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	"$@" NF dbb6d41150a244186500718eda971047 share/opera@@{SUFFIX}/styles/images/page-bot.png
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	"$@" NF 3a1f01c2181d79f8d579d26ca8c36b0e share/opera@@{SUFFIX}/styles/info.css
	"$@" NF e521ce4a0e2ad947af55f2fec3e30aee share/opera@@{SUFFIX}/styles/m2_welcome_message.mbs
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	"$@" NF 73ca40c23f00b5b8045c1db8e0d2310f share/opera@@{SUFFIX}/styles/media.css
	"$@" NF e7dd3d81e0088d5fb56df880226cc7e1 share/opera@@{SUFFIX}/styles/message.css
	"$@" NF 219262c87d6e4419a2b28144db75a2bd share/opera@@{SUFFIX}/styles/mime.css
	"$@" NF edd149e46e531e7a7ae8b2054d230fda share/opera@@{SUFFIX}/styles/opera.css
	"$@" NF 4d67e81faa56e84bafb8aebcef53910e share/opera@@{SUFFIX}/styles/plugins.css
	"$@" NF 71c1d1774ad2319d1684854cdf5f94c2 share/opera@@{SUFFIX}/styles/private.css
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	"$@" NF 6a2bd73028a115965e2a8ab449f076b1 share/opera@@{SUFFIX}/styles/user/accessibility.css
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	"$@" NF b1213dc22de822fbbb54de3a77fde99b share/opera@@{SUFFIX}/styles/user/disableforms.css
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	"$@" NF b9c59fe668608bfc3c63c50f65b8298e share/opera@@{SUFFIX}/styles/user/disabletables.css
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	"$@" NF 105003e2e18ed081fbd4068a68378a53 share/opera@@{SUFFIX}/ui/dialog.ini
	"$@" NF 4ccfbe9fb3ab8f8b2369823d42347b23 share/opera@@{SUFFIX}/ui/dialogs.yaml
	"$@" NF e6d9e74c12773dcf0d6a195b6b9e78ac share/opera@@{SUFFIX}/ui/fastforward.ini
	"$@" NF d100566f84199c33656087e219cca2de share/opera@@{SUFFIX}/ui/standard_keyboard.ini
	"$@" NF 86ee1a655caeada4954683369ced4b36 share/opera@@{SUFFIX}/ui/standard_keyboard_compat.ini
	"$@" NF 540ea1695d878c33a193af6b4321cb64 share/opera@@{SUFFIX}/ui/standard_menu.ini
	"$@" NF 942a4cf89c0f15f20744dc91431876fd share/opera@@{SUFFIX}/ui/standard_mouse.ini
	"$@" NF af38422de9d742f38ae2af32d9422593 share/opera@@{SUFFIX}/ui/standard_toolbar.ini
	"$@" NF fbd82b508a6639d3b32b162d07a8b8ad share/opera@@{SUFFIX}/ui/unix_keyboard.ini
	"$@" NF 7c33e821ffec95a7dc6c33d33a3cfd58 share/opera@@{SUFFIX}/unite/fileSharing.ua
	"$@" NF 6616699c680ea97ba733461f6687ff76 share/opera@@{SUFFIX}/unite/fridge.ua
	"$@" NF ffc1d0c0ffd77e5a61268eb3393da66e share/opera@@{SUFFIX}/unite/home.ua
	"$@" NF 5ddc2bd704e32e2b2f873881d87afcb2 share/opera@@{SUFFIX}/unite/mediaPlayer.ua
	"$@" NF 77d614f5b10c94fbb6614a5db4d16c34 share/opera@@{SUFFIX}/unite/messenger.ua
	"$@" NF e0e34ce6968929ae958758d530c7b086 share/opera@@{SUFFIX}/unite/photoSharing.ua
	"$@" NF ff57e1f5eabff434ec73b8d1291368b0 share/opera@@{SUFFIX}/unite/webserver.ua
}

available()
{
	command -v "$1" >/dev/null 2>&1
}

finalize_desktop()
{
	# Menu entries
	if available update-desktop-database
	then
		update-desktop-database $PREFIX/share/applications
	fi

	# MIME associations
	if available update-mime-database
	then
		mkdir -p $PREFIX/share/mime/packages
		update-mime-database $PREFIX/share/mime
		! rmdir $PREFIX/share/mime/packages >/dev/null 2>&1
	fi

	# Icons
	touch -c $PREFIX/share/icons/hicolor
	if available update-icon-caches
	then
		update-icon-caches -tq $PREFIX/share/icons/hicolor
	elif available gtk-update-icon-cache
	then
		gtk-update-icon-cache -tq $PREFIX/share/icons/hicolor
	fi
}

make_tempdir()
{
	if [ -z "$tempdir" ]
	then
		tempdir=$(mktemp -d -t opera-install.XXXXXXXX)
		if [ $? != 0 ]
		then
			ui_error "Cannot create a temporary directory, please set TMPDIR correctly"
		fi
	fi
}

cleanup()
{
	res=$?
	trap - 0
	if [ $res -gt 0 ] && $need_rollback
	then
		rollback
	fi
	if $need_ui_cleanup
	then
		ui_cleanup
	fi
	if [ -n "$tempdir" ]
	then
		rm -rf $tempdir
	fi
	exit $res
}

ui_widget()
{
	local width height
	message=$(
		echo "$2"
		if [ -n "$3" ]
		then
			echo
			cat "$3"
		fi
		if [ -n "$4" ]
		then
			echo
			echo "$4"
		fi
	)
	case $driver in
		dialog|whiptail)
			width=72
			if available fmt
			then
				message=$(echo "$message" | fmt -w $((width - 4)))
				height=$(($(echo "$message" | wc -l) + 6))
				if [ $1 = inputbox ]
				then
					height=$((height + 2))
				fi
			else
				height=20
			fi
			;;
	esac
	need_ui_cleanup=true
	case $driver in
		dialog|whiptail)
			exec 4>&1
			answer=$($driver --title "$windowtitle" --clear --$1 "$message" $height $width 2>&1 1>&4)
			res=$?
			exec 4>&-
			;;
		plain)
			echo
			echo "$message"
			case $1 in
				yesno)
					while true
					do
						read -p 'Please enter Y or N: ' answer
						case "$answer" in
							y*|Y*)
								res=0
								break
								;;
							n*|N*)
								res=1
								break
								;;
						esac
					done
					;;
				inputbox)
					read -p '>' answer
					;;
				msgbox|infobox)
					res=0
					;;
			esac
			;;
	esac
	need_ui_cleanup=false
	return $res
}

ui_info()
{
	ui_widget infobox "$@"
}

ui_message()
{
	ui_widget msgbox "$@"
}

ui_warn()
{
	ui_widget yesno "$1" "$2" 'Continue?' || exit
}

ui_error()
{
	ui_widget msgbox "$1" "$2" 'Installation aborted.'
	exit 1
}

ui_input()
{
	ui_widget inputbox "$1" "$2" ''
}

ui_menu()
{
	local text width height
	case $driver in
		dialog|whiptail)
			width=72
			if available fmt
			then
				height=$(($(echo "$text" | fmt -w $((width - 4)) | wc -l) + $# / 2 + 8))
			else
				height=20
			fi
			;;
	esac
	need_ui_cleanup=true
	case $driver in
		dialog|whiptail)
			text=$1
			shift
			exec 4>&1
			answer=$($driver --menu "$text" $height $width $(($# / 2)) "$@" 2>&1 1>&4) || exit
			res=$?
			exec 4>&-
			;;
		plain)
			echo
			echo "$1"
			shift
			(
				n=1
				while [ -n "$1" ]
				do
					echo "[$n] $2"
					n=$((n + 1))
					shift 2
				done
			)
			while true
			do
				read -p "Your choice: " answer
				if echo "$answer" | grep -q '^[0-9][0-9]*$' && [ $((answer >= 1)) = 1 ] && [ $((answer <= $# / 2)) = 1 ]
				then
					break
				fi
				echo "Please enter an integer between 1 and $(($# / 2))."
			done
			shift $((answer * 2 - 2))
			answer="$1"
			res=0
			;;
	esac
	need_ui_cleanup=false
	return $res
}

ui_progress_begin()
{
	if ! $talk
	then
		return
	fi
	if [ -z "$progress_max" ]
	then
		progress_max=$(iterate echo | wc -l)
	fi
	progress_cur=0
	need_ui_cleanup=true
	case $driver in
		whiptail)
			make_tempdir
			mkfifo $tempdir/gauge
			whiptail --gauge "$1" 0 72 0 <$tempdir/gauge &
			exec 3>$tempdir/gauge
			;;
		*)
			echo
			echo -n "$1"
			;;
	esac
}

ui_progress_advance()
{
	if ! $talk
	then
		return
	fi
	progress_cur=$((progress_cur + 1))
	case $driver in
		whiptail)
			echo $((progress_cur * 100 / progress_max)) >&3
			;;
		*)
			echo -n '.'
			;;
	esac
}

ui_progress_end()
{
	if ! $talk
	then
		return
	fi
	case $driver in
		whiptail)
			exec 3>&-
			rm $tempdir/gauge
			;;
		*)
			echo 'done'
			;;
	esac
	need_ui_cleanup=false
}

ui_cleanup()
{
	case $driver in
		dialog)
			exec 4>&-
			dialog --clear
			stty sane
			clear
			;;
		whiptail)
			exec 3>&- 4>&-
			stty sane
			clear
			;;
		plain)
			echo
			;;
	esac
}

ui_init()
{
	if [ -z "$TERM" -o "$TERM" = dumb ]
	then
		driver=plain
	elif available whiptail
	then
		driver=whiptail
	elif available dialog
	then
		driver=dialog
	else
		driver=plain
	fi
	answer=''
	progress_max=''
	windowtitle="$1"
}

common_init()
{
	interactive=true
	talk=true
	force=false
	need_rollback=false
	need_ui_cleanup=false
	repackage=false
	tempdir=''

	trap cleanup 0 INT QUIT TERM
}

common_opt()
{
	case "$1" in
		--text)
			driver=plain
			;;
		--unattended)
			interactive=false
			driver=plain
			;;
		--quiet)
			talk=false
			interactive=false
			driver=plain
			;;
		--force)
			force=true
			;;
		*)
			return 1
	esac
}

# EOF_COMMON

version()
{
	ui_message "Opera - Fast and secure web browser and Internet suite

Opera is a small, fast, customizable, powerful and user-friendly web
browser, as well as an Internet suite, including an email client, an IRC
client, web developer tools (Opera Dragonfly), and a personal web server
(Opera Unite).

This script installs Opera 11.51 build 1087 for FreeBSD on amd64.

Copyright (c) 1995-2011 Opera Software ASA. All rights reserved."
}

usage()
{
	version
	cat <<EOF

Options:

    --text          Select plain-text user interface.

    --unattended    Ask no questions. Implies --text.
                    The --prefix option becomes mandatory.

    --quiet         Ask no questions and don't show progress.
                    Implies --text.

    --prefix /P     Specify installation directory. Opera will be
                    installed into /P/bin, /P/share and /P/lib.

    --user          Install for the current user. Default for non-root.
                    Alias for --prefix $HOME/.local.

    --system        Install for everybody. Default for root.
                    Alias for --prefix /usr/local.

    --name N        Use N for package name. Must either be "opera" or
                    begin with "opera-". Names of installed files and
                    directories will contain this string in place of
                    "opera". This allows to install several
                    versions of Opera side by side. The default is
                    "opera".

    --suffix S      Obsolete. Same as --name opera-S.

    --force         Ignore all kinds of errors and try to continue.

    --repackage R   Special mode for package maintainers. Extract files
                    into the staging directory R as if it were the
                    installation prefix, but prepare them to be
                    installed under the actual prefix. In this mode, no
                    finalizing actions, such as registration of menu
                    entries, are performed. Sanity checks are disabled.
                    Implies --unattended.

    --version       Show Opera version.

    --help          Show this message.
EOF
}

check_os()
{
	local name version arch res msg
	res=false
	name=$(uname -s)
	case "$name" in
		Linux)
			;;
		*BSD)
			res=true
			;;
	esac
	arch=$(uname -m)
	case "$arch" in
		i?86|i86pc)
			arch=i386
			;;
		x86_64)
			arch=amd64
			;;
	esac
	if [ "$arch" != amd64 ]
	then
		res=false
	fi
	if ! $res
	then
		msg="You are running $name on $arch, but this package is intended for FreeBSD on amd64. If you choose to install it, the product may not work correctly."
		if $interactive
		then
			ui_warn "$msg"
		else
			ui_error "$msg"
		fi
	fi
}


install_file()
{
	local source dest existing tomake
	if [ -f $tempdir/damaged ] && ! $force
	then
		return 1
	fi
	source=$(use_suffix '' "$3")
	dest=$INTO/$(use_suffix "$SUFFIX" "$3")
	existing=$dest
	tomake=''
	while [ -n "$existing" -a ! -e "$existing" ]
	do
		tomake=$existing
		existing=${existing%/*}
	done
	if [ ! -d "$existing" -o "$dest" = "$existing" ]
	then
		if { rm -rf "$existing~" && mv "$existing" "$existing~"; } 2>$tempdir/error || $force
		then
			echo "mv '$existing~' '$existing'" >>$tempdir/rollback
			echo "rm -rf '$existing~'" >>$tempdir/commit
		else
			ui_error "Cannot make a backup copy of $existing -- see detailed error message below." $tempdir/error
			echo "$dest">>$tempdir/damaged
			return 1
		fi
	elif [ -n "$tomake" -a "$tomake" != "$dest" ]
	then
		if mkdir -p "${dest%/*}" 2>$tempdir/error || $force
		then
			echo "rm -rf '$tomake'" >>$tempdir/rollback
		else
			ui_error "Cannot create directory ${dest%/*} -- see detailed error message below." $tempdir/error
			echo "$dest">>$tempdir/damaged
			return 1
		fi
	fi
	case "$1" in
		N?)
			cp "$source" "$dest"
			;;
		L?)
			source=$(use_suffix "$SUFFIX" "$2")
			ln -s "$source" "$dest"
			;;
		P?)
			case "$dest" in
				*.gz)
					gzip -dc "$source" | process >"${dest%.gz}" && gzip -9 "${dest%.gz}"
					;;
				*)
					process <"$source" >"$dest"
					;;
			esac
			;;
		G?)
			generate_file "${source##*/}" | process >"$dest"
			;;
	esac 2>$tempdir/error || $force || {
		ui_error "Cannot install $dest -- see detailed error message below." $tempdir/error
		echo "$dest">>$tempdir/damaged
		return 1
	}
	case "$1" in
		?F)
			chmod 0644 "$dest"
			;;
		?X)
			chmod 0755 "$dest"
			;;
	esac 2>$tempdir/error || $force || {
		ui_error "Cannot install $dest -- see detailed error message below." $tempdir/error
		echo "$dest">>$tempdir/damaged
		return 1
	}
	ui_progress_advance
}

generate_file()
{
	case "$1" in
		opera)
			cat <<'EOF_generate_file'
#!/bin/sh
export OPERA_DIR=${OPERA_DIR:-@@{PREFIX}/share/opera@@{SUFFIX}}
export OPERA_PERSONALDIR=${OPERA_PERSONALDIR:-$HOME/.opera@@{SUFFIX}}
exec @@{PREFIX}/lib/opera@@{SUFFIX}/opera@@{SUFFIX} "$@"
EOF_generate_file
			;;
		opera-widget-manager)
			cat <<'EOF_generate_file'
#!/bin/sh
exec @@{PREFIX}/bin/opera@@{SUFFIX} --widgetmanager "$@"
EOF_generate_file
			;;
		uninstall-opera)
			sed -ne '1,/EOF_COMMON/p' "${0##*/}"
			cat <<EOF
PREFIX='$PREFIX'
SUFFIX='$SUFFIX'
EOF
			cat <<'EOF_generate_file'

usage()
{
	version
	cat <<EOF

Options:
    --text          Select plaintext user interface
    --unattended    Ask no questions
    --quiet         Ask no questions and don't show progress (implies --text)
    --force         Ignore all kinds of errors and try to continue
    --help          Show this message
EOF
}

uninstall_file()
{
	if $upgrade_mode
	then
		mv "$PREFIX/$3" "$PREFIX/$3~"
		echo "mv '$PREFIX/$3~' '$PREFIX/$3'" >>$install_tempdir/rollback
		echo "rm -f '$PREFIX/$3~'; rmdir -p '$PREFIX/${3%/*}' 2>/dev/null" >>$install_tempdir/commit
	else
		rm -f "$PREFIX/$3"
		rmdir -p "$PREFIX/${3%/*}" 2>/dev/null
	fi
	ui_progress_advance
}

common_init
ui_init 'Uninstalling Opera'

upgrade_mode=false

while [ -n "$1" ]
do
	common_opt "$1" || case "$1" in
		--upgrade)
			shift
			upgrade_mode=true
			talk=false
			interactive=false
			driver=plain
			force=true
			install_tempdir="$1"
			;;
		*)
			driver=plain
			usage
			exit
			;;
	esac
	shift
done

if $talk
then
	msg="This script uninstalls Opera 11.51 build 1087 for FreeBSD on amd64 installed as $PREFIX/bin/opera$SUFFIX."
	if $interactive
	then
		ui_warn "$msg"
	else
		ui_message "$msg"
	fi
fi

if [ ! -w $PREFIX ] && ! $force
then
	ui_error "You do not have write permissions for $PREFIX. Perhaps you should be uninstalling as root?"
fi

ui_progress_begin "Removing files"
iterate uninstall_file
ui_progress_end

if ! $upgrade_mode
then
	if $talk
	then
		ui_info "Finalizing uninstallation..."
	fi
	finalize_desktop
fi

if $talk
then
	ui_message "Opera has been uninstalled successfully. However, users' profile directories, which are by default ~/.opera$SUFFIX, have been left intact. You might want to delete them manually."
fi
EOF_generate_file
			;;
		*)
			return 1
	esac
}

rollback()
{
	ui_progress_begin "Undoing installation"
	iterate rollback_file
	ui_progress_end
	if [ -f $tempdir/rollback ]
	then
		. $tempdir/rollback
	fi
}

rollback_file()
{
	local dest
	dest=$INTO/$(use_suffix "$SUFFIX" "$3")
	rm -f "$dest"
	while [ -n "$dest" ]
	do
		dest=${dest%/*}
		case "$dest" in
			$INTO/*/opera*)
				rmdir "$dest" 2>/dev/null || break
				;;
		esac
	done
	ui_progress_advance
}

verify_file()
{
	local md5 file
	md5="$2"
	file=$(use_suffix '' "$3")
	case "$1" in
		[GL]?)
			ui_progress_advance
			return
			;;
	esac
	if [ ! -f "$file" ]
	then
		make_tempdir
		echo "$file" >>$tempdir/damaged
	elif [ -n "$md5prog" ]
	then
		if [ $(get_md5 "$file") != "$md5" ]
		then
			make_tempdir
			echo "$file" >>$tempdir/damaged
		fi
	fi
	ui_progress_advance
}

get_md5()
{
	if [ "$md5prog" = md5 ]
	then
		md5 -q "$1"
	else
		md5sum "$1" | { read sum file; echo $sum; }
	fi
}

use_suffix()
{
	echo "$2" | sed -e "s:@@{SUFFIX}:$1:g"
}

process()
{
	sed -e "s:@@{PREFIX}:$PREFIX:g;s:@@{SUFFIX}:$SUFFIX:g;s:@@{_SUFFIX}:$_SUFFIX:g;s:@@{USUFFIX}:$USUFFIX:g"
}

PREFIX=''
INTO=''
orig_pwd=$PWD
suffix_set=false

cd "${0%/*}"

common_init
ui_init 'Installing Opera'

if available md5
then
	md5prog=md5
elif available md5sum
then
	md5prog=md5sum
else
	md5prog=''
fi

while [ -n "$1" ]
do
	common_opt "$1" || case "$1" in
		--user)
			PREFIX=$HOME/.local
			;;
		--system)
			PREFIX=/usr/local
			;;
		--prefix)
			shift
			PREFIX="$1"
			;;
		--name)
			shift
			case "$1" in
				opera|opera-*)
					SUFFIX=${1#opera}
					;;
				*)
					ui_error '--name string must either be "opera" or begin with "opera-".'
					;;
			esac
			suffix_set=true
			;;
		--suffix)
			shift
			if [ -n "$1" ]
			then
				SUFFIX="-$1"
			else
				SUFFIX=''
			fi
			suffix_set=true
			;;
		--repackage)
			shift
			INTO="$1"
			repackage=true
			interactive=false
			driver=plain
			case "$INTO" in
				'')
					ui_error "--repackage needs a non-empty argument."
					;;
				/*)
					;;
				*)
					INTO=$orig_pwd/$INTO
					;;
			esac
			;;
		--version)
			driver=plain
			version
			exit
			;;
		*)
			driver=plain
			usage
			exit
			;;
	esac
	shift
done

if $talk
then
	version
fi

if ! $interactive && [ -z "$PREFIX" ]
then
	ui_error "Please specify --prefix, --user or --system for unattended installation."
fi

if ! $force && ! $repackage
then
	check_os
fi

if [ $(id -u) -eq 0 ]
then
	prefix_who="running as root"
	prefix_for="for all users"
	prefix_default=/usr/local
else
	prefix_who="not running as root"
	prefix_for="just for yourself"
	prefix_default=$HOME/.local
fi

while true
do
	if [ -n "$PREFIX" ]
	then
		answer=$PREFIX
		bad_answer=ui_error
	elif $interactive
	then
		ui_input "Please choose an installation directory. Opera will be installed in bin, share and lib directories under the specified location.

Since you are $prefix_who, you probably want to install Opera $prefix_for. The recommended installation prefix in this case is $prefix_default.

Press Enter to accept the recommended location, or specify a different prefix." || exit
		if [ -z "$answer" ]
		then
			answer=$prefix_default
		fi
		bad_answer=ui_message
	else
		ui_warn "Since you are $prefix_who, assuming you want to install Opera $prefix_for. Using $prefix_default as the installation prefix."
		answer=$prefix_default
		bad_answer=ui_error
	fi
	case "$answer" in
		''|[!/]*)
			$bad_answer "The installation prefix must begin with a slash."
			continue
			;;
		*' '*)
			$bad_answer "The installation prefix is not allowed to contain whitespace."
			continue
			;;
	esac
	while [ $answer != / -a "${answer%/}" != $answer ]
	do
		answer=${answer%/}
	done
	if $repackage
	then
		PREFIX=$answer
		break
	fi
	prefix_parent=$answer
	while [ ! -e "$prefix_parent" ]
	do
		prefix_parent=${prefix_parent%/*}
		if [ -z "$prefix_parent" ]
		then
			prefix_parent=/
		fi
	done
	if [ -w $prefix_parent ]
	then
		PREFIX=$answer
		break
	elif [ -d $prefix_parent ]
	then
		$bad_answer "You do not have write permissions for $prefix_parent. Perhaps you should be installing as root?"
	else
		$bad_answer "$prefix_parent is not a directory."
	fi
done

if [ -z "$INTO" ]
then
	INTO=$PREFIX
fi

while true
do
	if $suffix_set
	then
		answer=opera$SUFFIX
		bad_answer=ui_error
	elif $interactive
	then
		ui_input "You can install Opera with an alternative package name, so that the installation does not conflict with other installations of Opera you might have. For example, if you specify opera-11.51 as the package name, Opera files will be installed under $PREFIX/share/opera-11.51 and $PREFIX/lib/opera-11.51, and you will have to run $PREFIX/bin/opera-11.51 to run it. The default location of your profile directory will then be ~/.opera-11.51. If you want that, please enter the desired package name below. The name must be either \"opera\" or begin with \"opera-\". Only Latin letters, digits, periods and dashes are allowed.

Pressing Enter to accept the default and install as \"opera\" is a safe choice." || exit
		bad_answer=ui_message
	else
		answer=''
	fi
	case "$answer" in
		'')
			SUFFIX=''
			_SUFFIX=''
			USUFFIX=''
			break
			;;
		opera-*[!-.A-Za-z0-9]*)
			$bad_answer "The package name is only allowed to contain Latin letters, digits, periods and dashes."
			;;
		opera-*)
			SUFFIX=${answer#opera}
			_SUFFIX=' '$(echo ${answer#opera-} | cut -c 1 | tr a-z A-Z)${answer#opera-?}
			USUFFIX=-$(echo ${answer#opera-} | tr a-z A-Z)
			break
			;;
		opera)
			SUFFIX=''
			_SUFFIX=''
			USUFFIX=''
			break
			;;
		*)
			$bad_answer "The package name must either be \"opera\" or begin with \"opera-\"."
			;;
	esac
done

if ! $repackage && [ -f "$INTO/share/opera$SUFFIX/package-id.ini" ]
then
	upgrade_product=$(sed -ne '/^Product=\(.*\)$/s//\1/p' "$INTO/share/opera$SUFFIX/package-id.ini")
	upgrade_version=$(sed -ne '/^Version=\(.*\)$/s//\1/p' "$INTO/share/opera$SUFFIX/package-id.ini")
	upgrade_build=$(sed -ne '/^Build=\(.*\)$/s//\1/p' "$INTO/share/opera$SUFFIX/package-id.ini")
	if [ -z "$upgrade_product" ]
	then
		upgrade_product=opera
	fi
	if [ "$upgrade_product" = opera ]
	then
		upgrade_title='Opera'
	else
		upgrade_title='Opera '$(echo ${upgrade_product#opera-} | cut -c 1 | tr a-z A-Z)${answer#?}
	fi
	if [ -n "$upgrade_version" -a -n "$upgrade_build" ]
	then
		if [ "$upgrade_product" = opera -a "$upgrade_version" = 11.51 -a "$upgrade_build" = 1087 ]
		then
			msg="The chosen location already contains an installation of $upgrade_title 11.51 build 1087. The installer will attempt to refresh it."
		elif [ "$upgrade_product" = opera ]
		then
			msg="The chosen location contains an installation of $upgrade_title $upgrade_version build $upgrade_build. The installer will attempt to upgrade it to version 11.51 build 1087."
		else
			msg="The chosen location contains an installation of $upgrade_title $upgrade_version build $upgrade_build. The installer will attempt to replace it with Opera version 11.51 build 1087."
		fi
		if $interactive
		then
			ui_warn "$msg"
		elif $talk
		then
			ui_message "$msg"
		fi
	fi
fi

ui_progress_begin "Verifying package"
iterate verify_file
ui_progress_end

if [ -n "$tempdir" -a -f $tempdir/damaged ] && ! $force
then
	ui_error "The following files are missing or damaged:" $tempdir/damaged
fi

if ! $force && ! $repackage
then
	need_rollback=true
fi

make_tempdir

if ! $repackage && [ -x "$PREFIX/bin/uninstall-opera$SUFFIX" ]
then
	if $talk
	then
		ui_info "Removing old files..."
	fi
	"$PREFIX/bin/uninstall-opera$SUFFIX" --upgrade $tempdir
fi

ui_progress_begin "Installing files"
iterate install_file
ui_progress_end

need_rollback=false

if ! $repackage
then
	if $talk
	then
		ui_info "Finalizing installation..."
	fi
	if [ -f $tempdir/commit ]
	then
		. $tempdir/commit
	fi
	if $talk && [ "$driver" = plain ]
	then
		finalize_desktop
	else
		finalize_desktop >/dev/null 2>&1
	fi
fi

if $talk
then
	if [ -n "$upgrade_version" -a -n "$upgrade_build" ]
	then
		done='upgraded'
	else
		done='installed'
	fi
	if $repackage
	then
		ui_message "Opera has been installed successfully under $INTO as if it were $PREFIX."
	else
		ui_message "Opera has been $done successfully. To start, run $PREFIX/bin/opera$SUFFIX (you might want to add this location to your PATH).

To manage installed Opera Widgets, run $PREFIX/bin/opera$SUFFIX-widget-manager.

To uninstall Opera, run $PREFIX/bin/uninstall-opera$SUFFIX."
	fi
fi
