#! /bin/sh

# sept 2020
# пет 04 09:12 < Fruit> ik heb een scriptje dat upstream firefox tot een .deb
#                      vermaalt
# пет 04 09:13 < joostvb> scriptje heeft zfs op buildhost nodig?
# пет 04 09:13 < Fruit> nee
#
# van https://www.fruit.je/d/update-firefox

set -e

url=$(curl -sSfI 'https://download.mozilla.org/?product=firefox-latest-ssl&os=linux64&lang=en-US' | tr -d '\015' | awk '/^Location:/ { print $2 }')

version=${url##https://*/firefox-}
case $version in *[!a-zA-Z0-9-.])
	echo "unable to determine version from '$version'" >&2
	exit 2
;; *.tar.gz|*.tar.bz2|*.tar.xz)
	compression=${version##*.}
	version=${version%.tar.*}
;; *)
	echo "unable to determine version from '$version'" >&2
	exit 2
esac

current=$(awk '/^Package:/ { package = $2 } /^Version:/ { version = $2 } !NF { package = ""; version = "" } { if(package == "firefox" && version != "") { print version; exit } }' /var/lib/dpkg/status)

debian=${current#*-}

case ${current%%-*} in "$version")
	echo "current upstream:    $version" >&2
	echo "already the latest version." >&2
	exit 0
	echo "currently installed: $version-$debian" >&2
	debian=${debian%%[!0-9]*}
	case $debian in ?*)
		debian=$((debian + 1))
	;; *)
		debian=1
	esac
	echo "would upgrade to:    $version-$debian" >&2
	echo -n "upgrade [Y/n]? "
	read -r upgrade
	case $upgrade in [Yy]*)
		exec
	;; [Nn]*)
		exit
	;; ?*)
		echo "arglebargle, glop-glyf?" >&2
		exit
	;; *)
		exec
	esac
;; *)
	debian=1
esac

tmp=$(mktemp -d)
trap 'rm -rf -- "$tmp"' EXIT INT HUP QUIT TERM

cd "$tmp"

curl -sSfL "$url" >"firefox-$version.orig.tar.$compression"
mkdir "firefox-$version"
tar xCf "firefox-$version" "firefox-$version.orig.tar.$compression" --strip-components=1

mkdir "firefox-$version/debian"

cat >"firefox-$version/debian/changelog" <<EOT
firefox ($version-$debian) unstable; urgency=medium

  * (This changelog was generated automatically.)

 -- Wessel Dankers <wsl@fruit.je>  $(date -R)
EOT

echo 9 >"firefox-$version/debian/compat"

cat >"firefox-$version/debian/control" <<\EOT
Source: firefox
Section: web
Priority: optional
Maintainer: Wessel Dankers <wsl@fruit.je>
Build-Depends: debhelper,
	libatk1.0-0,
	libc6,
	libcairo-gobject2,
	libcairo2,
	libdbus-1-3,
	libdbus-glib-1-2,
	libfontconfig1,
	libfreetype6,
	libgcc1,
	libgdk-pixbuf2.0-0,
	libglib2.0-0,
	libgtk-3-0,
	libgtk2.0-0,
	libpango-1.0-0,
	libpangocairo-1.0-0,
	libpangoft2-1.0-0,
	libstdc++6,
	libx11-6,
	libx11-xcb1,
	libxcb-shm0,
	libxcb1,
	libxcomposite1,
	libxcursor1,
	libxdamage1,
	libxext6,
	libxfixes3,
	libxi6,
	libxrender1,
	libxt6
Standards-Version: 3.9.1

Package: firefox
Architecture: any
Depends: ${shlibs:Depends}, ${misc:Depends}
Description: Mozilla Firefox web browser (Mozilla binaries)
 Firefox is a powerful, extensible web browser with support for modern
 web application technologies.
EOT

cat >"firefox-$version/debian/copyright" <<\EOT
Copyright: 

	Mostly MPL. See https://www.mozilla.org for details.

The Debian packaging is © 2019, Wessel Dankers <wsl@fruit.je> and is
licensed under the GPL version 3 or later, see
'/usr/share/common-licenses/GPL-3'.
EOT

cat >"firefox-$version/debian/firefox.desktop" <<\EOT
[Desktop Entry]
Name=Firefox
Comment=Browse the World Wide Web
GenericName=Web Browser
X-GNOME-FullName=Firefox Web Browser
Exec=/usr/lib/firefox/firefox %u
Terminal=false
X-MultipleArgs=false
Type=Application
Icon=firefox
Categories=Network;WebBrowser;
MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/vnd.mozilla.xul+xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;
StartupWMClass=Firefox
StartupNotify=true
EOT

cat >"firefox-$version/debian/firefox.js" <<\EOT
// This is the Debian specific preferences file for Firefox
// You can make any change in here, it is the purpose of this file.
// You can, with this file and all files present in the
// /etc/firefox directory, override any preference you can see in
// about:config.
//
// Note that pref("name", value, locked) is allowed in these
// preferences files if you don't want users to be able to override
// some preferences.

pref("app.update.url", "https://www.fruit.je/update/6/%PRODUCT%/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%SYSTEM_CAPABILITIES%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml");
pref("app.update.checkInstallTime", false);
pref("extensions.update.enabled", true);

// Use LANG environment variable to choose locale
pref("intl.locale.requested", "");

// Disable default browser checking.
pref("browser.shell.checkDefaultBrowser", false);
pref("browser.shell.skipDefaultBrowserCheckOnFirstRun", true);

// Default to classic view for about:newtab
pref("browser.newtabpage.enhanced", false, sticky);

// Disable health report upload
pref("datareporting.healthreport.uploadEnabled", false);

// Default to no suggestions in the urlbar. This still brings a panel asking
// the user whether they want to opt-in on first use.
pref("browser.urlbar.suggest.searches", false);
EOT

cat >"firefox-$version/debian/firefox-symbolic.svg" <<\EOT
<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><title>newtab-firefox-gry</title><path d="M31.359,14.615h0c-.044-.289-.088-.459-.088-.459s-.113.131-.3.378A10.77,10.77,0,0,0,30.6,12.5a13.846,13.846,0,0,0-.937-2.411,10.048,10.048,0,0,0-.856-1.468q-.176-.263-.359-.51c-.57-.931-1.224-1.5-1.981-2.576a7.806,7.806,0,0,1-.991-2.685A10.844,10.844,0,0,0,25,4.607c-.777-.784-1.453-1.341-1.861-1.721C21.126,1.006,21.36.031,21.36.031h0S17.6,4.228,19.229,8.6a8.4,8.4,0,0,0,2.8,3.733c1.576,1.3,3.273,2.323,4.168,4.937a8.377,8.377,0,0,0-3.144-3.317,7.573,7.573,0,0,1,.6,3,7.124,7.124,0,0,1-8.711,6.94,6.561,6.561,0,0,1-1.765-.6,7.183,7.183,0,0,1-2.115-1.955l-.01-.017.126.046a6.5,6.5,0,0,0,.9.241,5.628,5.628,0,0,0,3.583-.423c1.126-.625,1.808-1.088,2.361-.905l.01,0c.54.172.966-.352.58-.9a2.94,2.94,0,0,0-2.848-1.112c-1.127.164-2.16.965-3.637.189a3.129,3.129,0,0,1-.277-.163c-.1-.057.317.087.22.022a7.33,7.33,0,0,1-.928-.554c-.022-.018.223.07.2.052a3.581,3.581,0,0,1-.968-.979,1.741,1.741,0,0,1-.066-1.554,1.371,1.371,0,0,1,.6-.564c.191.094.309.165.309.165s-.087-.16-.134-.244c.017-.006.032,0,.049-.011.167.072.537.26.732.375a1.016,1.016,0,0,1,.335.3s.067-.033.017-.173a.9.9,0,0,0-.346-.424l.016,0a2.94,2.94,0,0,1,.426.265,2.079,2.079,0,0,0,.17-.9,1.178,1.178,0,0,0-.069-.5c-.053-.1.03-.14.123-.035a.976.976,0,0,0-.079-.238v-.008h0s.053-.069.077-.094a1.43,1.43,0,0,1,.216-.176,9.973,9.973,0,0,1,1.465-.747c.414-.181.757-.319.827-.359a2.3,2.3,0,0,0,.293-.225,1.968,1.968,0,0,0,.66-1.14,1.6,1.6,0,0,0,.017-.178v-.05l0-.03v0l0-.012v0l0-.013h0c-.06-.225-.448-.394-2.476-.584a1.773,1.773,0,0,1-1.45-1.36l0,.009c-.029.074-.055.149-.081.225.026-.075.052-.15.081-.225l0-.016a5.138,5.138,0,0,1,1.986-2.466c.052-.042-.208.011-.156-.032a5.156,5.156,0,0,1,.53-.224c.091-.038-.39-.222-.815-.177a2.2,2.2,0,0,0-.756.178c.1-.086.4-.2.329-.2a4.865,4.865,0,0,0-1.542.583.314.314,0,0,1,.03-.14,2.4,2.4,0,0,0-.964.744,1.275,1.275,0,0,0,.01-.174,2.876,2.876,0,0,0-.473.444l-.009.007a6.285,6.285,0,0,0-3.517-.3l-.01-.009.012,0a2.943,2.943,0,0,1-.625-.7L6.1,5.852,6.081,5.83c-.077-.114-.156-.243-.237-.387-.058-.1-.117-.217-.176-.338,0-.008-.009-.011-.013-.012-.024,0-.041.111-.061.082l0-.006a4.308,4.308,0,0,1-.283-1.687l-.016.008a1.884,1.884,0,0,0-.714.934c-.061.137-.1.212-.14.287,0,.006,0-.01,0-.035.009-.069.039-.211.032-.2s-.012.019-.019.029a1.733,1.733,0,0,0-.251.372,2.355,2.355,0,0,0-.15.382c-.006.021,0-.018,0-.064s.009-.128,0-.111l-.022.043a9.5,9.5,0,0,0-.8,3.035A3.022,3.022,0,0,0,3.2,8.7v.016a6.628,6.628,0,0,0-.817,1.1,15.606,15.606,0,0,0-1.727,4.23,10.351,10.351,0,0,1,.925-1.621,15,15,0,0,0-1.045,5.5,14.233,14.233,0,0,1,.45-1.629A13.807,13.807,0,0,0,2.234,22.76a15.037,15.037,0,0,0,5.951,6.748h0a13.016,13.016,0,0,0,3.468,1.662c.162.059.326.117.494.173-.053-.021-.1-.044-.153-.067a15.7,15.7,0,0,0,4.5.662c5.394,0,7.175-2.054,7.339-2.259h0a2.73,2.73,0,0,0,.637-.856h0q.156-.064.315-.137l.067-.03.121-.057a11.312,11.312,0,0,0,2.277-1.426,5.5,5.5,0,0,0,2.123-3.1h0a1.938,1.938,0,0,0,.029-1.428q.083-.131.171-.28a12.706,12.706,0,0,0,1.907-6.181v-.006c0-.059,0-.118,0-.177A7.731,7.731,0,0,0,31.359,14.615Z" fill="#d7d7db"/></svg>
EOT

{
	cat <<\EOT
debian/firefox.desktop usr/share/applications
debian/firefox.js etc/firefox
debian/firefox-symbolic.svg usr/share/icons/hicolor/symbolic/apps
EOT

	for f in "firefox-$version"/*
	do
		file=${f#*/}
		case $file in debian|*[$IFS]*) ;; *)
			echo "$file usr/lib/firefox"
		esac
	done
} >"firefox-$version/debian/install"

cat >"firefox-$version/debian/links" <<\EOT
usr/lib/firefox/firefox usr/bin/firefox
usr/lib/firefox/browser/chrome/icons/default/default16.png usr/share/icons/hicolor/16x16/apps/firefox.png
usr/lib/firefox/browser/chrome/icons/default/default32.png usr/share/icons/hicolor/32x32/apps/firefox.png
usr/lib/firefox/browser/chrome/icons/default/default48.png usr/share/icons/hicolor/48x48/apps/firefox.png
usr/lib/firefox/browser/chrome/icons/default/default64.png usr/share/icons/hicolor/64x64/apps/firefox.png
usr/lib/firefox/browser/chrome/icons/default/default128.png usr/share/icons/hicolor/128x128/apps/firefox.png
EOT

cat >"firefox-$version/debian/rules" <<\EOT
#! /usr/bin/make -f

%:
	exec dh $@
EOT
chmod 755 "firefox-$version/debian/rules"

(
	cd "firefox-$version"
	debuild -us -uc -b
)

sudo eatmydata dpkg --unpack firefox_$version-${debian}_amd64.deb
sudo eatmydata apt-get -f install