#!/bin/bash

# Slackware build script for tap_plugins

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# 20171221 bkw: update for v1.0.0

# 20151104 bkw:
# update for v0.7.3, update docs to 20140526
# get rid of reverbed.sh wrapper script (patch reverbed instead)
# add capability stuff for reverbed
# add .desktop, icon for reverbed

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=tap_plugins
VERSION=${VERSION:-1.0.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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"
fi

# You almost certainly do NOT want FORCE_SLACK_CFLAGS=yes
# (it's here for purists, and for troubleshooting purposes)
FORCE_SLACK_CFLAGS=${FORCE_SLACK_CFLAGS:-no}

# You may need FORCE_SYSTEM_LADSPA_H=yes if building against a version
# of ladspa_sdk other than 1.13 (try without first)
FORCE_SYSTEM_LADSPA_H=${FORCE_SYSTEM_LADSPA_H:-no}

PLUGINS_SRCNAM=tap-plugins
DOCS_SRCNAM=tap-plugins-doc
DOCS_VERSION=20140526
REVERBED_SRCNAM=tap-reverbed
REVERBED_VERSION=r0

set -e

# First build the plugins
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PLUGINS_SRCNAM-$VERSION
tar xvf $CWD/$PLUGINS_SRCNAM-$VERSION.tar.gz
cd $PLUGINS_SRCNAM-$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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

if [ "$FORCE_SLACK_CFLAGS" = "yes" ]; then
  sed -i '/^CFLAGS/s/\(=.*\) -O3 \(.*\)\(-c\)/\1 '"$SLKCFLAGS"' \3/' Makefile
fi

if [ "$FORCE_SYSTEM_LADSPA_H" = "yes" ]; then
  rm -f ladspa.h
  cp /usr/include/ladspa.h .
fi

make
strip *.so
make install \
  INSTALL_PLUGINS_DIR=$PKG/usr/lib$LIBDIRSUFFIX/ladspa/ \
  INSTALL_LRDF_DIR=$PKG/usr/share/ladspa/rdf/

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
for i in COPYING CREDITS README; do
  cat $i > $PKG/usr/doc/$PRGNAM-$VERSION/$i.plugins
done

# Now build the reverb editor
cd $TMP
rm -rf $REVERBED_SRCNAM-$REVERBED_VERSION
tar xvf $CWD/$REVERBED_SRCNAM-$REVERBED_VERSION.tar.gz
cd $REVERBED_SRCNAM-$REVERBED_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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# patch by SlackBuild author, makes reverbed load its config from /etc
# if no ~/.reverbed found (rather than aborting with an error message).
patch -p1 < $CWD/reverbed-default-config.diff

./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

if [ "$FORCE_SLACK_CFLAGS" = "yes" ]; then
  # CFLAGS not supported by autoconf!
  sed -i '/^CFLAGS/s/=.*-fPIC/= '"$SLKCFLAGS"' -fPIC/' src/Makefile
fi

make LIBS=-lm

# more trouble than it's worth to get 'make install' to handle DESTDIR
mkdir -p $PKG/usr/bin $PKG/etc/reverbed
install -s -m0755 -oroot -groot src/reverbed $PKG/usr/bin/
cat src/.reverbed > $PKG/etc/reverbed/reverbed.conf

# icon came from:
# https://www.hscripts.com/freeimages/icons/mechanical/spring-clipart.php
# and turned into a PNG via ImageMagick's convert.
mkdir -p $PKG/usr/share/pixmaps
cat $CWD/reverbed.png > $PKG/usr/share/pixmaps/reverbed.png

# .desktop written by SlackBuild author
mkdir -p $PKG/usr/share/applications
cat $CWD/reverbed.desktop > $PKG/usr/share/applications/reverbed.desktop

# ChangeLog and NEWS are 0-length placeholders
for i in AUTHORS COPYING README; do
  cat $i > $PKG/usr/doc/$PRGNAM-$VERSION/$i.reverbed
done

# Now package up the HTML docs
cd $PKG/usr/doc/$PRGNAM-$VERSION
  tar xvf $CWD/$DOCS_SRCNAM-$DOCS_VERSION.tar.gz
  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 \
   \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
   -exec chmod 644 {} \;
cd -

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README.SBo

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

# Only add capability stuff if not disabled:
if [ "${SETCAP:-yes}" = "yes" ]; then
  cat $CWD/setcap.sh >> $PKG/install/doinst.sh
  # Only allow execution by audio group
  chown root:audio $PKG/usr/bin/reverbed
  chmod 0750 $PKG/usr/bin/reverbed
fi

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE