desktop/flatpak-builder: Added (sandboxing tool).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

desktop/flatpak-builder/README

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+Flatpak
+
+Flatpak is the new framework for desktop applications on Linux
+
+Distributing applications on Linux is a pain: different distributions in
+multiple versions, each with their own versions of libraries and packaging
+formats. Flatpak is here to change all that. It allows the same app to be
+installed on different Linux distributions, including different versions. And
+it has been designed from the ground up with security in mind, so that apps
+are isolated from each other and from the host system.
+
+You can find many apps already available on https://flathub.org/
+
+Apps that require pulse audio (like steam, skype, etc) need PULSE_SERVER
+environment variable to be set. This is not set for most shells in slackware
+by default. One way I found to set this is:
+```
+export `xprop -root -notype PULSE_SERVER | tr -d ' '`
+```
+
+Some of the examples from http://flatpak.org/#users are relying on polkit
+helpers, that expect a user in the 'wheel' group to have privileges for, but
+default polkit admin rule for slackware is just the root user.
+So, if you run a command like:
+```
+flatpak remote-add --from gnome https://sdk.gnome.org/gnome.flatpakrepo
+flatpak remote-add --from gnome-apps https://sdk.gnome.org/gnome-apps.flatpakrepo
+```
+as a limited user, you will get a polkit prompt for root's password. This is
+because the default location for establishing these repos is in
+`/var/lib/flatpak` and requires admin privileges.
+
+You can optionally add the flag `--user` to flatpak commands, and it will
+instead manage the repos in `~/.local/share/flatpak`.
+
+There are examples of flatpak runtimes and applications on their wiki:
+https://github.com/flatpak/flatpak/wiki/Examples
+
+They too have desktop launchers search by desktops like KDE and XFCE, it will
+require a logout, as /etc/profile.d/flatpak.sh will need to be sourced.

desktop/flatpak-builder/flatpak-builder.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for flatpak
+
+# Copyright 2018 Vincent Batts <vbatts@hashbangbash.com>
+# 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 AUTHOR "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 AUTHOR 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.
+
+PRGNAM=flatpak-builder
+VERSION=${VERSION:-1.0.1}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
+cd $PRGNAM-$VERSION
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+./configure \
+  --prefix=/usr \
+  --libdir=/usr/lib${LIBDIRSUFFIX} \
+  --sysconfdir=/etc \
+  --localstatedir=/var \
+  --mandir=/usr/man \
+  --docdir=/usr/doc/$PRGNAM-$VERSION \
+  --build=$ARCH-slackware-linux
+
+make
+make install DESTDIR=$PKG
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+find $PKG/usr/man -type f -exec gzip -9 {} \;
+for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a README.md COPYING NEWS ABOUT-NLS $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/README >  $PKG/usr/doc/$PRGNAM-$VERSION/README.SBo
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

desktop/flatpak-builder/flatpak-builder.info

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+PRGNAM="flatpak-builder"
+VERSION="1.0.1"
+HOMEPAGE="https://flatpak.org/"
+DOWNLOAD="https://github.com/flatpak/flatpak-builder/releases/download/1.0.1/flatpak-builder-1.0.1.tar.xz"
+MD5SUM="a29d824c7d84d5bd2112a1b9de872b33"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="flatpak"
+MAINTAINER="Vincent Batts"
+EMAIL="vbatts@hashbangbash.com"

desktop/flatpak-builder/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+               |-----handy-ruler------------------------------------------------------|
+flatpak-builder: flatpak-builder (sandboxing desktop application building tool)
+flatpak-builder:
+flatpak-builder: flatpak-builder is a tool for building flatpaks from sources.
+flatpak-builder:
+flatpak-builder: Site: https://github.com/flatpak/flatpak-builder/
+flatpak-builder:
+flatpak-builder:
+flatpak-builder:
+flatpak-builder:
+flatpak-builder:
+flatpak-builder: