Create a gist now

Instantly share code, notes, and snippets.

This script will find the latest Opera stable binary package, downloads and repackage it into Slackware format
#!/bin/bash
# latest-opera Version 2.0RC3
# This script will find the latest Opera stable binary package,
# download it and repackage it into Slackware format.
# Copyright 2015 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:-$(uname -m)}
case "$ARCH" in
x86_64) DEBARCH=amd64; LIBDIRSUFFIX="64" ;;
i?86) DEBARCH=i386; LIBDIRSUFFIX="" ;;
*) echo "The architecture $ARCH is not supported." >&2 ; exit 1 ;;
esac
# Work out the latest stable Opera if VERSION is unset
VERSION=$(wget -qO- http://deb.opera.com/opera/dists/stable/non-free/binary-$DEBARCH/Packages.gz | gzip -d | grep -A1 -x "Package: opera-stable" | sed -n "/Version/s/.* //p")
# Error out if $VERISON is unset, e.g. because previous command failed
if [ -z $VERSION ]; then
echo "Could not work out the latest version; exiting" >&2
exit 1
fi
# Don't start repackaging if the same version is already installed
if /bin/ls /var/log/packages/opera-$VERSION-* >/dev/null 2>&1 ; then
echo "Opera ($VERSION) is already installed; exiting"
exit 0
fi
CWD=$(pwd)
TMP=${TMP:-/tmp}
OUTPUT=${OUTPUT:-/tmp}
BUILD=${BUILD:-1}
TAG=${TAG:-ro}
PKGTYPE=${PKGTYPE:-tgz}
PACKAGE="$OUTPUT/opera-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
OPERA_DEB=opera-stable_${VERSION}_${DEBARCH}.deb
# If the package was made previously, no need to make it again. ;)
if [ -e "$PACKAGE" ]; then
echo "$PACKAGE already exists; exiting"
exit 0
fi
REPACKDIR=$TMP/repackage-opera-stable
# Define this script's name as we will copy into doc directory later on
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/install,src}
# 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 Opera binary package,
# otherwise download it.
if [ -e $OPERA_DEB ]; then
cp $OPERA_DEB "$REPACKDIR/src/"
else
wget -P "$REPACKDIR/src" http://deb.opera.com/opera/pool/non-free/o/opera-stable/$OPERA_DEB
fi
# Now we have all the sources in place, switch to the package directory
# and start setting things up.
cd "$REPACKDIR/pkg"
# Extract the contents of the Opera binary package
ar p "../src/$OPERA_DEB" data.tar.xz | xz -d | tar -xf- \
--transform="s,/lib/.*-linux-gnu,/lib$LIBDIRSUFFIX," \
--exclude="./usr/share/lintian" --exclude="./usr/share/menu"
# Move any doc directory to the correct Slackware location
if [ -d usr/share/doc ]; then
mv usr/share/doc usr/
find usr/doc -maxdepth 1 -type d -name "opera*" -exec mv {} usr/doc/tmp \;
fi
mkdir -p usr/doc/tmp
mv usr/doc/tmp usr/doc/opera-$VERSION
# Copy this script into the doc directory
mkdir -p usr/doc/opera-$VERSION
cp ../src/$SCRIPT usr/doc/opera-$VERSION/$SCRIPT
# 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------------------------------------------------------|
opera: opera (Fast and secure web browser)
opera:
opera: Opera is a fast, secure, and user-friendly web browser. It includes
opera: web developer tools, news aggregation, and the ability to compress
opera: data via Opera Turbo on congested networks.
opera:
opera:
opera:
opera:
opera: Homepage: http://www.opera.com/computer/linux
opera:
EOD
# Make sure the file permissions are ok
chmod -R u+w,go+r-w,a-s .
# opera_sandbox needs to be setuid root for Opera to run
chmod 4711 usr/lib$LIBDIRSUFFIX/opera/opera_sandbox
# Create the Slackware package
mkpkg "$PACKAGE"
# Install if the user requested it
if [ $AUTO_INSTALL = "Y" ]; then
/sbin/upgradepkg --install-new "$PACKAGE"
fi
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment