#!/bin/sh
# $Id: p7zip.SlackBuild,v 1.24 2016/07/21 21:04:27 root Exp root $
# Copyright 2006, 2008, 2009, 2010, 2011, 2015, 2016  Eric Hameleers, Eindhoven, NL
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:         Eric Hameleers <alien@slackware.com>
# For:        p7zip
# Descr:      file archiver with high compression rates
# URL:        http://www.7-zip.org/
# Needs:      wxGTK (for the gui)
# Changelog:  
# 4.30-1:   13/jan/2006 by Eric Hameleers <alien@slackware.com>
#            * Initial build.
# 4.42-1:   29/jul/2006 by Eric Hameleers <alien@slackware.com>
#            * Update.
# 4.57-1:    19/mar/2008 by Eric Hameleers <alien@slackware.com>
#             * Update. Check for gcc version. Use 'make install' instead of
#               manually copying files.
# 4.65-1:    27/may/2009 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 9.13-1:    14/dec/2010 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 9.20.1-1:  18/may/2011 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 9.38.1-1:  20/jul/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 15.09-1:   21/oct/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 16.02-1:   21/jul/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 
# Run 'sh p7zip.SlackBuild' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# Set initial variables:

PRGNAM=p7zip
VERSION=${VERSION:-16.02}
BUILD=${BUILD:-1}
TAG=${TAG:-alien}

GUI=${GUI:-YES}  # build the GUI: YES or NO (the CLI is built always)

DOCS="ChangeLog README* TODO DOC/*"

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

SOURCE="$SRCDIR/${PRGNAM}_${VERSION}_src_all.tar.bz2"
SRCURL="http://downloads.sourceforge.net/${PRGNAM}/${PRGNAM}_${VERSION}_src_all.tar.bz2"

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

case "$ARCH" in
  i486)      SLKCFLAGS="-O2 -march=i486 -mtune=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ARCHSUFFIX="x86_asm_gcc_4.X"
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ARCHSUFFIX="amd64"
             ;;
  *)         SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ARCHSUFFIX="any_cpu"
             ;;
esac

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Save old umask and set to 0022:
_UMASK_=$(umask)
umask 0022

# Create working directories:
mkdir -p $OUTPUT          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
mkdir -p $PKG             # place for the package to be built
rm -rf $PKG/*             # always erase old package's contents
rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
rm -rf $OUTPUT/{configure,make,install,error,makepkg}-$PRGNAM.log
                          # remove old log files

# Source file availability:
if ! [ -f ${SOURCE} ]; then
  echo "Source '$(basename ${SOURCE})' not available yet..."
  # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
  [ -w "$SRCDIR" ] || SOURCE="$OUTPUT/$(basename $SOURCE)"
  if [ -f ${SOURCE} ]; then echo "Ah, found it!"; continue; fi
  if ! [ "x${SRCURL}" == "x" ]; then
    echo "Will download file to $(dirname $SOURCE)"
    wget -nv -T 20 -O "${SOURCE}" "${SRCURL}" || true
    if [ $? -ne 0 -o ! -s "${SOURCE}" ]; then
      echo "Downloading '$(basename ${SOURCE})' failed... aborting the build."
      mv -f "${SOURCE}" "${SOURCE}".FAIL
      exit 1
    fi
  else
    echo "File '$(basename ${SOURCE})' not available... aborting the build."
    exit 1
  fi
fi

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP/tmp-$PRGNAM
echo "Extracting the source archive(s) for $PRGNAM..."
tar -xvf ${SOURCE}
cd ${PRGNAM}_${VERSION}

# Patches borrowed from Gentoo:
touch $OUTPUT/patch-${PRGNAM}.log
#cat $SRCDIR/patches/p7zip_CVE-2015-1038.patch | patch -p1 --verbose \
#  2>&1 | tee -a $OUTPUT/patch-${PRGNAM}.log
cat $SRCDIR/patches/p7zip_osversion.patch | patch -p1 --verbose \
  2>&1 | tee -a $OUTPUT/patch-${PRGNAM}.log

chown -R root:root .
chmod -R u+w,go+r-w,a+X-s .

echo Building ...
# Some moving around for the benefit of my DOCS variable:
mv contrib/gzip-like_CLI_wrapper_for_7z/README README.p7zip_wrapper

cp -f makefile.linux_${ARCHSUFFIX} makefile.machine
sed -i -e "s#/lib/#/lib${LIBDIRSUFFIX}/#g" $(grep -rl /lib/ .)
sed -i -e 's/chmod 555/chmod 755/' -e 's/chmod 444/chmod 644/' install.sh
sed -i -e "s#7zFM_do_not_use#7zFM#g" $(grep -rl 7zFM_do_not_use .)

# First, build the commandline tools:
if [ "$GUI" = "YES" ]; then
  TARGETS=all5
  make depend \
  2>&1 | tee $OUTPUT/makedepend-${PRGNAM}.log
else
  TARGETS=all4
fi

make $TARGETS \
  OPTFLAGS="$SLKCFLAGS" \
  DEST_HOME=/usr \
  DEST_SHARE=/usr/lib${LIBDIRSUFFIX}/p7zip \
  DEST_SHARE_DOC=/usr/doc/${PRGNAM}-${VERSION} \
  2>&1 | tee $OUTPUT/make-${PRGNAM}.log

# Install the commandline utils:
make install \
  DEST_HOME=/usr \
  DEST_SHARE=/usr/lib${LIBDIRSUFFIX}/p7zip \
  DEST_SHARE_DOC=/usr/doc/${PRGNAM}-${VERSION} \
  DEST_DIR=$PKG \
  2>&1 |tee $OUTPUT/install-${PRGNAM}.log

# Install the RAR decoder library:
mkdir -p  $PKG/usr/lib${LIBDIRSUFFIX}/p7zip
install -m 0644 bin/Codecs/*.so $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/

# Add a wrapper that allows p7z to be used as a compressor for tar:
install -m 0755 contrib/gzip-like_CLI_wrapper_for_7z/p7zip $PKG/usr/bin/
install -m 0644 contrib/gzip-like_CLI_wrapper_for_7z/man1/p7zip.1 $PKG/usr/man/man1/

if [ "$GUI" = "YES" ]; then
  # Install the gui program plus support files:
  cp -a GUI/p7zipForFilemanager  $PKG/usr/bin/p7zipForFilemanager
  cp -a GUI/Lang $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/
  #cp -a GUI/help $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/
  #cp -a bin/Client7z $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/
  cp -a bin/LzmaCon $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/
  cp -a bin/7zFM $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/
  cp -a bin/7zG $PKG/usr/lib${LIBDIRSUFFIX}/p7zip/
  
  # The binaries can not be called through symlinks.
  # We have to create wrapper shell scripts:
  sed -e "s#/usr/lib${LIBDIRSUFFIX}/p7zip/7z#/usr/lib${LIBDIRSUFFIX}/p7zip/7zG#" $PKG/usr/bin/7z > $PKG/usr/bin/7zG
  sed -e "s#/usr/lib${LIBDIRSUFFIX}/p7zip/7z#/usr/lib${LIBDIRSUFFIX}/p7zip/Client7z#" $PKG/usr/bin/7z > $PKG/usr/bin/Client7z
  sed -e "s#/usr/lib${LIBDIRSUFFIX}/p7zip/7z#/usr/lib${LIBDIRSUFFIX}/p7zip/LzmaCon#" $PKG/usr/bin/7z > $PKG/usr/bin/LzmaCon
  # We need to treat this with care so that the menu entry works but
  # the dolphin "open with..." menu too:
  cat <<EOT > $PKG/usr/bin/7zFM
#!/bin/sh
[ -z "\$1" ] && ARGS=\$HOME || ARGS="\$@"
"/usr/lib${LIBDIRSUFFIX}/p7zip/7zFM" "\$ARGS"
EOT
  chmod 755 $PKG/usr/bin/{7zFM,7zG,Client7z,LzmaCon}
  
  # Add a menu entry for the file manager:
  mkdir -p $PKG/usr/share/applications
  cat <<EOT > $PKG/usr/share/applications/p7zip.desktop
[Desktop Entry]
Version=1.0
Encoding=UTF-8
Name=P7ZIP File Manager
MimeType=application/x-gzip;application/x-tar;application/x-compressed-tar;application/x-bzip-compressed-tar;application/zip;application/x-bzip;application/x-rar;application/x-tarz;application/x-bzip2;application/x-java-archive;application/x-deb;application/x-7z-compressed;application/x-compress;application/x-zip-compressed;application/x-lzma;application/x-servicepack;application/x-xz-compressed-tar;application/x-lzma-compressed-tar;application/x-cd-image;
GenericName=Archiving Tool
Exec=7zFM %F
Icon=p7zip
Type=Application
Terminal=false
X-KDE-HasTempFileOption=true
Categories=GTK;KDE;Utility;System;Archiving;
EOT

  # Icons for the menu entry:
  mkdir -p $PKG/usr/share/pixmaps
  cp -a GUI/p7zip_32.png $PKG/usr/share/pixmaps/p7zip.png
  for i in 16 32 ; do
    mkdir -p $PKG/usr/share/icons/hicolor/${i}x${i}/apps/
    cp -a GUI/p7zip_${i}.png $PKG/usr/share/icons/hicolor/${i}x${i}/apps/p7zip.png
  done
  
  # Add KDE4 service menus, and make them actually KDE4-compliant:
  mkdir -p $PKG/usr/share/kde4/services/ServiceMenus
  install -m 644 GUI/kde4/*.desktop  $PKG/usr/share/kde4/services/ServiceMenus/
  sed -i \
    -e "s#ServiceTypes=application/#MimeType=application/#" \
    -e "s#application/x-7z#application/x-7z-compressed,application/x-7z-compressed-tar#" \
    -e "/MimeType=/s#,#;#g" \
    $PKG/usr/share/kde4/services/ServiceMenus/*.desktop
fi

# Add a post-install script:
mkdir -p $PKG/install
cat <<EOT > $PKG/install/doinst.sh
# Update the desktop database:
if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database usr/share/applications >/dev/null 2>&1
fi

# Update hicolor theme cache:
if [ -d usr/share/icons/hicolor ]; then
  if [ -x /usr/bin/gtk-update-icon-cache ]; then
    chroot . /usr/bin/gtk-update-icon-cache -f -t usr/share/icons/hicolor >/dev/null 2> /dev/null
  fi
fi

# Update the mime database:
if [ -x usr/bin/update-mime-database ]; then
  chroot . /usr/bin/update-mime-database usr/share/mime >/dev/null 2>&1
fi

EOT

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
# Why oh why:
rm -rf $PKG/usr/doc/$PRGNAM-$VERSION/{DOC,MANUAL}
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc -type f -exec chmod 644 {} \;

# Compress the man page(s):
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Add a package description:
mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc
cat $SRCDIR/slack-required > $PKG/install/slack-required

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.tgz 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.tgz > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.tgz.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt
cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.dep

# Restore the original umask:
umask ${_UMASK_}