#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# procps-ng.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2005-2024  Patrick J. Volkerding, Sebeka, Minnesota, USA
# 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Bundled modules/applications:
# To save on maintenance, and since we carry the same versions as x86 Slackware,
# let's pull the version numbers from the x86 trunk:
XSB=$CWD/$PKGNAM.SlackBuild
[ ! -x $XSB ] && { echo "ERROR: Cannot find x86 SlackBuild for ${PKGNAM}!" ; exit 1; }
for bundledapp in \
  PSMISCVER \
  PROCINFONGVER \
  PROCINFOVER \
  ; do
  eval $( grep -E "^${bundledapp}=" $XSB  )
  echo "Bundled module: ${bundledapp} version $( eval $( echo "echo \$${bundledapp}" ) )"
done

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd procps*/ || failextract
tar xvvf $CWD/psmisc-$PSMISCVER.tar.!(*sign|*asc|*sig) || exit 1
tar xvvf $CWD/procinfo-ng-$PROCINFONGVER.tar.!(*sign|*asc|*sig) || exit 1
tar xvvf $CWD/procinfo-$PROCINFOVER.tar.!(*sign|*asc|*sig) || exit 1
slackhousekeeping

# Apply patches:
# Fix for wide-only ncurses:
sed 's:<ncursesw/:<:g' -i src/watch.c

#############################################################################
#### Build procps-ng   ######################################################
#############################################################################

# Configure:
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/ \
   --bindir=/bin \
   --sbindir=/sbin \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --includedir=/usr/include \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --mandir=/usr/man \
   --datarootdir=/usr/share \
   --docdir=/usr/doc/$PKGNAM-$VERSION \
   --enable-static=no \
   --disable-silent-rules \
   --disable-rpath \
   --enable-watch8bit \
   --enable-skill \
   --enable-sigwinch \
   --enable-w-from \
   --disable-kill \
   --without-systemd \
   --with-elogind \
   --disable-modern-top \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package:
make install DESTDIR=$PKG || failinstall

# Move the shared library to $PKG/lib${LIBDIRSUFFIX}:
mkdir -vpm755 $PKG/lib${LIBDIRSUFFIX}
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  for file in lib*.so.?.* ; do
    mv -fv $file ../../lib${LIBDIRSUFFIX}
    ln -vsf ../../lib${LIBDIRSUFFIX}/$file .
  done
  cp -fav lib*.so.? ../../lib${LIBDIRSUFFIX}
)

# Remove .la file(s):
rm -fv $PKG/usr/lib${LIBDIRSUFFIX}/*.la

# It seems that upstream has shuffled the location of many tools with the
# 3.3.11 release.  To me, this just doesn't make sense to break any existing
# scripts that might be using an absolute path, or to move tools that might
# be needed before /usr is mounted into /usr.  So, we will make sure that
# everything is moved back to where the Slackware locations have always been.
# These tools belong in /bin:
mkdir -vpm755 $PKG/bin
for file in free killall ps ; do
  find $PKG -name $file -exec mv -fv "{}" $PKG/bin \;
done
# These tools belong in /sbin:
mkdir -vpm755 $PKG/sbin
for file in pidof sysctl ; do
  find $PKG -name $file -exec mv -fv "{}" $PKG/sbin \;
done
mkdir -vpm755 $PKG/usr/bin
# These tools belong in /usr/bin:
for file in fuser lsdev peekfd pgrep pkill pmap procinfo prtstat pstree pwdx skill slabtop snice socklist tload top uptime vmstat w watch ; do
  find $PKG -name $file -exec mv -fv "{}" $PKG/usr/bin \;
done
# These symlinks belong in /bin:
rm -fv $PKG/bin/pidof
ln -vfs /sbin/pidof $PKG/bin/pidof
# These symlinks belong in /usr/bin:
rm -fv $PKG/usr/bin/free $PKG/usr/bin/pidof $PKG/usr/bin/ps
ln -vfs /bin/free $PKG/usr/bin/free
ln -vfs /sbin/pidof $PKG/usr/bin/pidof
ln -vfs /bin/ps $PKG/usr/bin/ps
# WTF changing the name of this
( cd $PKG/bin ; ln -vsf pidwait pwait )
( cd $PKG/usr/man/man1 ; ln -vsf pidwait.1 pwait.1 )

# Create /etc/sysctl.d:
mkdir -vpm755 $PKG/etc/sysctl.d

#############################################################################
#### Build psmisc      ######################################################
#############################################################################

# Configure:
cd psmisc-$PSMISCVER || exit 1
slack_autotoolsprep
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --mandir=/usr/man \
   --docdir=/usr/doc/psmisc-$PSMISCVER \
   --disable-silent-rules \
   --disable-rpath \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package:
make install DESTDIR=$PKG || failinstall

# Move "killall" to the traditional location:
mv -fv $PKG/usr/bin/killall $PKG/bin
# This long winded way is for "makepkg"'s benefit:
( cd $PKG/usr/bin && ln -vfs ../../bin/killall . )

# Copy docs:
mkdir -p $PKG/usr/doc/psmisc-$PSMISCVER
cp -fav ChangeLog COPYING* NEWS README* $PKG/usr/doc/psmisc-$PSMISCVER
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

#############################################################################
#### Build procinfo-ng ######################################################
#############################################################################

cd ../procinfo-ng-$PROCINFONGVER || exit 1
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --mandir=/usr/man \
   --docdir=/usr/doc/procinfo-ng-$PROCINFONGVER \
   --enable-maintainer-mode \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package:
make install DESTDIR=$PKG || failinstall

# Copy docs:
mkdir -vpm755 $PKG/usr/doc/procinfo-ng-$PROCINFONGVER
cp -fav GPL* LGPL* LICENSE* $PKG/usr/doc/procinfo-ng-$PROCINFONGVER

#############################################################################
#### Build procinfo    ######################################################
#############################################################################

# Now install a couple of scripts from the original procinfo package.
cd ../procinfo-$PROCINFOVER || exit 1
install -m 0755 lsdev.pl $PKG/usr/bin/lsdev
install -m 0755 socklist.pl $PKG/usr/bin/socklist
install -m 0644 lsdev.8 socklist.8 $PKG/usr/man/man8

# Add the default file for sysctl:
mkdir -vpm755 $PKG/etc/default
install -vpm644 $CWD/sysctl.default $PKG/etc/default/sysctl.new

# Back to the procps-ng main source directory...
cd ..

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
  AUTHORS* ChangeLog* COPYING* NEWS* README* \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
#slackstriprpaths     # strip rpaths
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links