Firefox-nightly

firefox-nightly-safe.desktop

[Desktop Entry]
Name=Firefox Nightly - Safe Mode
GenericName=Web Browser - Safe Mode
Icon=/usr/share/pixmaps/firefox-nightly-icon.png
Type=Application
Categories=Application;Network;
MimeType=text/html
Encoding=UTF-8
Exec=firefox-nightly -safe-mode %u
Terminal=false
MultipleArgs=false
StartupNotify=false

firefox-nightly.desktop

[Desktop Entry]
Name=Firefox Nightly
GenericName=Web Browser
Icon=/usr/share/pixmaps/firefox-nightly-icon.png
Type=Application
Categories=Application;Network;
MimeType=text/html
Encoding=UTF-8
Exec=firefox-nightly %u
Terminal=false
MultipleArgs=false
StartupNotify=false

PKGBUILD

# Maintainer : Kyriakos Brastianos <kyriakosbrastianos @ gmail.com>
# Contributor: danyf90 <daniele.formichelli@gmail.com>

_pkgname=firefox
_channel=nightly
_pkgver=54.0a1

pkgname=${_pkgname}-${_channel}
pkgver=54.0a1.20170128110338
pkgrel=1
pkgdesc='Standalone web browser from mozilla.org, nightly build'
url='http://www.mozilla.org/projects/firefox'
screenshot="http://people.mozilla.org/~shorlander/blog-images/australis-linux.png"
arch=('x86_64')
license=('MPL' 'GPL' 'LGPL')
depends=('alsa-lib' 'libxt' 'libnotify' 'mime-types' 'nss' 'gtk2' 'gtk3' 'sqlite3' 'dbus-glib')
provides=("firefox=$_pkgver")

_srcurl="https://ftp.mozilla.org/pub/firefox/nightly/latest-mozilla-central"
_file="${_pkgname}-${_pkgver}.zh-TW.linux"
_srcsum="$(curl -s "${_srcurl}-l10n/${_file}-x86_64.checksums" | grep "${_file}-x86_64.tar.bz2" | grep sha512 | cut -d " " -f1)" 

source=("${_srcurl}/${_file}-x86_64.tar.bz2"{,.asc}
        "$pkgname.desktop"
        "$pkgname-safe.desktop"
        'vendor.js')
validpgpkeys=('14F26682D0916CDD81E37B6D61B7B526D98F0353')
sha512sums=("${_srcsum}"
            'SKIP'
            '8591fdea03adac7f2a52bc10631730a2bbc15e1d5f254768fb161176ad8fe1059f253bcb8fa17d8d63ca3c27f0580520c7ebfc4415ffd7061cc479b3a369d659'
            'dadbd2daaaf6470f62a4f847a9c9ef9e171eb7359113c47f9d31cf100475d48422aca6a236c9ee7a996971d867ed421c7079bd2b069aef12c6745663092b1e38'
            '22fbb021d907e17ad2c7726b06bfb7e95c0607f822e6e602203cebdddd186c1060f7552a46dfa485ac565423f1857695cee205dae703c0827453d7c93a371843')

pkgver() {
  printf "%s.%s" $_pkgver $(curl -s $_srcurl/firefox-${_pkgver}.en-US.linux-${CARCH}.txt | head -n1)
}

package() {
  cd $srcdir
 
  install -d $pkgdir/{opt,usr/{bin,share/applications}}
  cp -r firefox $pkgdir/opt/firefox-nightly
  ln -s /opt/firefox-nightly/firefox $pkgdir/usr/bin/firefox-nightly
  install -Dm644 $srcdir/{$pkgname.desktop,$pkgname-safe.desktop} $pkgdir/usr/share/applications/
  install -Dm644 $srcdir/firefox/browser/icons/mozicon128.png $pkgdir/usr/share/pixmaps/$pkgname-icon.png
  
  install -Dm644 "${srcdir}/vendor.js" "${pkgdir}/opt/firefox-nightly/browser/defaults/preferences/vendor.js"
}

vendor.js

// Disable update check
pref("app.update.enabled", false);
pref("browser.shell.checkDefaultBrowser", false);