navigaid
12/18/2016 - 11:49 AM

This script will find the latest Firefox binary package, download it and repackage it into Slackware format.

This script will find the latest Firefox binary package, download it and repackage it into Slackware format.

#!/bin/bash
# latest-firefox Version 1.3.9

# This script will find the latest Firefox binary package, download it
# and repackage it into Slackware format.

# I don't use Firefox for regular browsing but it is handy for
# comparative tests against Vivaldi. :P

# Copyright 2016 Ruari Oedegaard, Oslo, Norway
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Check if the user asked for auto-install
if [ "$1" = "-i" -o "$1" = "--install" ]; then
  if [ "$UID" = "0" ]; then
    AUTO_INSTALL=Y
  else
    echo "You must be root to auto-install, $1 ignored!" >&2
    AUTO_INSTALL=N
  fi
else
  AUTO_INSTALL=N
fi

# Use the architecture of the current machine or whatever the user has
# set externally
ARCH=${ARCH:-$(uname -m)}

if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
elif [[ "$ARCH" = i?86 ]]; then
  ARCH=i686
  LIBDIRSUFFIX=""
else
  echo "The architecture $ARCH is not supported." >&2
  exit 1
fi

# Set to Y to track ESR instead of regular Firefox
FFESR=${FFESR:-N}

if [ "$FFESR" = "Y" ]; then
  FFCHANNEL=esr-latest
else
  FFCHANNEL=latest
fi

# This defines the language of the downloaded package
FFLANG=${FFLANG:-en-US}

# Work out the latest stable Firefox if VERSION is unset
VERSION=${VERSION:-$(wget --spider -S --max-redirect 0 "https://download.mozilla.org/?product=firefox-${FFCHANNEL}&os=linux${LIBDIRSUFFIX}&lang=${FFLANG}" 2>&1 | sed -n '/Location: /{s|.*/firefox-\(.*\)\.tar.*|\1|p;q;}')}

# Error out if $VERISON is unset, e.g. because previous command failed
if [ -z $VERSION ]; then
  echo "Could not work out the latest version; exiting" >&2
  exit 1
fi

# Don't start repackaging if the same version is already installed
if /bin/ls /var/log/packages/mozilla-firefox-$VERSION-* >/dev/null 2>&1 ; then
  echo "Firefox ($VERSION) is already installed; exiting"
  exit 0
fi

TMP=${TMP:-/tmp}
OUTPUT=${OUTPUT:-/tmp}
BUILD=${BUILD:-1}
TAG=${TAG:-ro}
PKGTYPE=${PKGTYPE:-tgz}
PACKAGE="$OUTPUT/mozilla-firefox-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"

# If the package was made previously, no need to make it again. ;)
if [ -e "$PACKAGE" ]; then
  echo "$PACKAGE already exists; exiting"
  exit 0
fi

REPACKDIR=$TMP/repackage-mozilla-firefox

# Three sources are needed, here is where to find them if they are not
# already in the directory this script was started from.
FIREFOXPKG="https://download.mozilla.org/?product=firefox-${VERSION}&os=linux${LIBDIRSUFFIX}&lang=${FFLANG}"
DESKTOPFILE=http://mirrors.slackware.com/slackware/slackware-current/source/xap/mozilla-firefox/mozilla-firefox.desktop
SCRIPT="${0##*/}"

# This function can be used in place of Slackware's makepkg, with the
# added bonus that it is able to make packages with root owned files
# even when run as a regular user.
mkpkg() {
  if [ "$1" = "-n" ]; then
    TAROWNER=""
    shift 1
  else
    TAROWNER="--group 0 --owner 0"
  fi
  if find * -type l | grep -qm1 .; then
    mkdir -p install
    find * -type l -printf '( cd %h ; rm -rf %f )\n( cd %h ; ln -sf %l %f )\n' -delete > install/symlinks
    if [ -f "install/doinst.sh" ]; then
      printf '\n' | cat - install/doinst.sh >> install/symlinks
    fi
    mv install/symlinks install/doinst.sh
  fi
  case "$1" in
    *tbz) cmp=bzip2 ;;
    *tgz) cmp=gzip ;;
    *tlz) cmp=lzma ;;
    *txz) cmp=xz ;;
    *) echo "Unknown compression type" >&2 ; exit 1 ;;
  esac
  tar cvvf - . --format gnu --xform 'sx^\./\(.\)x\1x' --show-stored-names $TAROWNER | $cmp > "$1"
  echo "Slackware package \"$1\" created."
}

# Since packaging is about to begin errors become more important now,
# so exit if things fail.
set -eu

# If the repackage is already present from the past, clear it down
# and re-create it.
if [ -d "$REPACKDIR" ]; then
  rm -fr "$REPACKDIR"
fi

mkdir -p "$REPACKDIR"/{pkg,src}

# Check if the current directory contains mozilla-firefox.desktop. If
# not try /usr/share/applications/, otherwise download it.
if [ -e mozilla-firefox.desktop ]; then
  cp mozilla-firefox.desktop "$REPACKDIR/src/"
elif [ -e /usr/share/applications/mozilla-firefox.desktop ]; then
  cp /usr/share/applications/mozilla-firefox.desktop "$REPACKDIR/src/"
else
  wget -P "$REPACKDIR/src" $DESKTOPFILE
fi

# Save a copy if this script but remove execute persmissions as it will
# later be moved into the doc directory.
install -m 644 "${0}" "$REPACKDIR/src/$SCRIPT"

# Check if the current directory contains the Firefox binary package,
# otherwise download it.
if [ -e firefox-$VERSION.tar.bz2 ]; then
  cp firefox-$VERSION.tar.bz2 "$REPACKDIR/src/"
else
  wget -O "$REPACKDIR/src/firefox-$VERSION.tar.bz2" $FIREFOXPKG
fi

# Now we have all the sources in place, switch to the package directory
# and start setting things up.
cd "$REPACKDIR/pkg"

# Create the basic directory structure for files.
mkdir -p install
mkdir -p usr/bin
mkdir -p usr/doc/mozilla-firefox-$VERSION
mkdir -p usr/share/applications
mkdir -p usr/share/icons/hicolor/{16x16,32x32,48x48,128x128}/apps
mkdir -p usr/lib$LIBDIRSUFFIX/mozilla
mkdir -p usr/lib$LIBDIRSUFFIX/firefox-$VERSION

# Copy the desktop file in place
cp ../src/mozilla-firefox.desktop usr/share/applications/

# Copy this script into the doc directory
cp ../src/$SCRIPT usr/doc/mozilla-firefox-$VERSION/$SCRIPT

# Extract the contents of the binary Firefox package into an
# appropriately named lib directory.
tar xf ../src/firefox-$VERSION.tar.* --strip 1 -C usr/lib$LIBDIRSUFFIX/firefox-$VERSION

# If present, move the readme or any other similar text files to the
# doc directory.
find usr/lib$LIBDIRSUFFIX/firefox-$VERSION -maxdepth 1 -iname "*.txt" -exec mv {} usr/doc/mozilla-firefox-$VERSION/ \;

# If a plugins folder was present move it to the mozilla lib directory.
# Otherwise just create a directory in mozilla so that there is
# definately somthing to symlink to later on in the post-install.
if [ -d usr/lib$LIBDIRSUFFIX/firefox-$VERSION/plugins ]; then
  mv usr/lib$LIBDIRSUFFIX/firefox-$VERSION/plugins usr/lib$LIBDIRSUFFIX/mozilla/
else
  mkdir usr/lib$LIBDIRSUFFIX/mozilla/plugins
fi

# Setup symlinks for firefox binary, plugin directory and icons.
(
  cd usr/bin
  ln -s ../lib$LIBDIRSUFFIX/firefox-$VERSION/firefox firefox
)
# Changes in Firefox 21 mean we need to check for the browser directory
if [ -d usr/lib$LIBDIRSUFFIX/firefox-$VERSION/browser ]; then
  (
    cd usr/lib$LIBDIRSUFFIX/firefox-$VERSION/browser
    ln -s ../../mozilla/plugins plugins
  )
else
  (
    cd usr/lib$LIBDIRSUFFIX/firefox-$VERSION
    ln -s ../mozilla/plugins plugins
  )
fi

# Changes in Firefox 21 mean we need to check for the location of icons
if /bin/ls usr/lib$LIBDIRSUFFIX/firefox-$VERSION/chrome/icons/default/default*.png >/dev/null 2>&1; then
  DEFAULTICONPATH=lib$LIBDIRSUFFIX/firefox-$VERSION/chrome/icons/default
  ALTICONPATH=lib$LIBDIRSUFFIX/firefox-$VERSION/icons
elif /bin/ls usr/lib$LIBDIRSUFFIX/firefox-$VERSION/browser/chrome/icons/default/default*.png >/dev/null 2>&1; then
  DEFAULTICONPATH=lib$LIBDIRSUFFIX/firefox-$VERSION/browser/chrome/icons/default
  ALTICONPATH=lib$LIBDIRSUFFIX/firefox-$VERSION/browser/icons
else
  echo "Changes have been made to the internal formating of the firefox source packaging!" >&2
  exit 1
fi

(
  cd usr/share/icons/hicolor/16x16/apps
  ln -s ../../../../../$DEFAULTICONPATH/default16.png firefox.png
)
(
  cd usr/share/icons/hicolor/32x32/apps
  ln -s ../../../../../$DEFAULTICONPATH/default32.png firefox.png
)
(
  cd usr/share/icons/hicolor/48x48/apps
  ln -s ../../../../../$DEFAULTICONPATH/default48.png firefox.png
)
(
  cd usr/share/icons/hicolor/128x128/apps
  ln -s ../../../../../$ALTICONPATH/mozicon128.png firefox.png
)

# Now create the post-install to register the desktop file and icons.
cat <<EOS> install/doinst.sh
# Setup menu entries
if command -v update-desktop-database >/dev/null 2>&1; then
  update-desktop-database -q usr/share/applications
fi

# Setup icons
touch -c usr/share/icons/hicolor
if command -v gtk-update-icon-cache >/dev/null 2>&1; then
  gtk-update-icon-cache -tq usr/share/icons/hicolor
fi
EOS

# Create a description file inside the package.
cat <<EOD> install/slack-desc
               |-----handy-ruler------------------------------------------------------|
mozilla-firefox: mozilla-firefox (Mozilla Firefox Web browser)
mozilla-firefox:
mozilla-firefox: This project is a redesign of the Mozilla browser component written
mozilla-firefox: using the XUL user interface language. Firefox delivers safe, easy web
mozilla-firefox: browsing.
mozilla-firefox:
mozilla-firefox: Visit the Mozilla Firefox project online:
mozilla-firefox:   http://www.mozilla.org/projects/firefox/
mozilla-firefox:
mozilla-firefox:
mozilla-firefox:
EOD

# Make sure the file permissions are ok
chmod -R u+w,go+r-w,a-s .

# Create the Slackware package
mkpkg "$PACKAGE"

# Install if the user requested it
if [ $AUTO_INSTALL = "Y" ]; then
  /sbin/upgradepkg --install-new "$PACKAGE"
fi