Opera postinst script

#!/bin/sh
set -e

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

finalize_desktop()
{
	# Menu entries
	if available update-desktop-database
	then
		update-desktop-database /usr/share/applications
	fi
	if available update-menus
	then
		update-menus
	fi
	if available update-app-install
	then
		update-app-install
	fi
	if available update-software-center
	then
		update-software-center
	fi

	# MIME associations
	if available update-mime-database
	then
		update-mime-database /usr/share/mime
	fi

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

. /usr/share/debconf/confmodule

case "$1" in
	configure)
		db_get opera/add-deb-source
		if $RET
		then
			if [ ! -f /etc/apt/sources.list.d/opera.list ]
			then
				cat >/etc/apt/sources.list.d/opera.list <<EOF
# This file makes sure that Opera Browser is kept up-to-date
# as part of regular system upgrades

deb http://deb.opera.com/opera/ stable non-free #Opera Browser (final releases)

# The line above will make sure you get all final public releases.
# Uncomment the following line if you want to get alpha and beta
# releases, too.

# deb http://deb.opera.com/opera-beta/ stable non-free #Opera Browser (beta releases)
EOF
			fi
		fi
		if [ -d /etc/update-manager -a ! -f /etc/update-manager/release-upgrades.d/opera.cfg ]
		then
			mkdir -p /etc/update-manager/release-upgrades.d
			cat >/etc/update-manager/release-upgrades.d/opera.cfg <<EOF
# Added by Opera to prevent disabling of deb.opera.com sources on
# distribution release upgrade.
[ThirdPartyMirrors]
opera/opera=http://deb.opera.com/opera/
opera/opera-beta=http://deb.opera.com/opera-beta/
EOF
		fi
		if available apt-key
		then
			for id in 6A423791 9D1A0061 4E7532C8
			do
				if apt-key list | grep -qF $id
				then
					apt-key del $id >/dev/null
					RET=true
				fi
			done
			if apt-key list | grep -qF 336064B5
			then
				RET=true
			fi
			if $RET
			then
				if [ "$(date +%F)" '>' 2013-01-11 ]
				then
					! apt-key del 336064B5 >/dev/null 2>&1
				else
					apt-key add - >/dev/null <<EOF
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.1 (GNU/Linux)
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=PwoB
-----END PGP PUBLIC KEY BLOCK-----
EOF
				fi
			fi
		fi
		update-alternatives --install /usr/bin/x-www-browser x-www-browser /usr/bin/opera 200 \
			--slave /usr/share/man/man1/x-www-browser.1.gz x-www-browser.1.gz /usr/share/man/man1/opera.1.gz
		update-alternatives --install /usr/bin/gnome-www-browser gnome-www-browser /usr/bin/opera 200 \
			--slave /usr/share/man/man1/gnome-www-browser.1.gz gnome-www-browser.1.gz /usr/share/man/man1/opera.1.gz
		if [ -f /etc/opera6rc ]
		then
			mv -f /etc/opera6rc /etc/operaprefs_default.ini
		fi
		if [ -f /etc/opera6rc.fixed ]
		then
			mv -f /etc/opera6rc.fixed /etc/operaprefs_fixed.ini
		fi
		finalize_desktop
		;;
esac

exit 0