#!/bin/bash
#
# Build and package an EAPI-enabled Apache on Slackware.
# (libmm is also installed with this package)
# by:  David Cantrell <david@slackware.com>
# Maintained by:  Patrick Volkerding <volkerdi@slackware.com>
# Small changes by rhatto
#

CWD="`pwd`"

if [ -f ~/.slackbuildrc ]; then
  source ~/.slackbuildrc
elif [ -f /etc/slackbuildrc ]; then
  source /etc/slackbuildrc
fi

APACHE_VER=${APACHE_VER:=1.3.37}
MM_VER=${MM_VER:=1.3.1}
MODSSL_VER=${MODSSL_VER:=2.8.28-1.3.37}

PACKAGE="apache"
ARCH=${ARCH:=i486}
BUILD=${BUILD:=1rha}
TMP=${TMP:=/tmp}
SRC_DIR=${SRC:=$CWD}
REPOS=${REPOS:=$TMP}

if [ "$ARCH" == "x86_64" ]; then
  LIBDIR=/usr/lib64
else
  LIBDIR=/usr/lib
fi

RTOOL="wget"
PACKAGE_EXT="gz"
SRC="$PACKAGE"_"$APACHE_VER.tar.$PACKAGE_EXT"
URL="http://ftp.unicamp.br/pub/apache/httpd/$SRC"
MM="mm-$MM_VER.tar.gz"
MM_URL="ftp://ftp.ossp.org/pkg/lib/mm/$MM"
MODSSL="mod_ssl-$MODSSL_VER.tar.gz"
MODSSL_URL="http://www.modssl.org/source/$MODSSL"

if [ "$PACKAGE_EXT" == "bz2" ]; then
  tarflag="j"
else
  tarflag="z"
fi

SRC_DIR="$SRC_DIR/$PACKAGE"
mkdir -p $SRC_DIR

if [ "$RTOOL" == "wget" ]; then

  if [ ! -f "$SRC_DIR/$SRC" ]; then
    wget "$URL" -O "$SRC_DIR/$SRC"
  fi

  if [ ! -f "$SRC_DIR/$MM" ]; then
    wget "$MM_URL" -O "$SRC_DIR/$MM"
  fi

  if [ ! -f "$SRC_DIR/$MODSSL" ]; then
    wget "$MODSSL_URL" -O "$SRC_DIR/$MODSSL"
  fi

fi

TMP="$TMP/$PACKAGE"
rm -rf $TMP
mkdir -p $TMP
cd $TMP

PKG=$TMP/package-$PACKAGE
mkdir -p $PKG
( cd $PKG ; explodepkg $CWD/_apache.tar.gz )

cd $TMP
rm -rf mm-$MM_VER apache_$APACHE_VER mod_ssl-$MODSSL_VER
tar xvzf $SRC_DIR/$MM
tar xvzf $SRC_DIR/$SRC
tar xvzf $SRC_DIR/$MODSSL

# build libmm
cd $TMP/mm-$MM_VER
chown -R root.root .
./configure \
  --prefix=/usr \
  --enable-static \
  --libdir=$LIBDIR \
  --enable-shared
make -j3

# EAPI is not part of Apache by default, it comes from mod_ssl.  It
# allows us to build and package mod_ssl seperately.  We pull out the
# EAPI patch and apply it to Apache so that our build will have that
# support enabled.  We also apply a few other patches from mod_ssl.
( cd $TMP/apache_$APACHE_VER
  cat $TMP/mod_ssl-$MODSSL_VER/pkg.eapi/eapi.patch | patch -p0
  cat $TMP/mod_ssl-$MODSSL_VER/pkg.addon/addon.patch | patch -p0 )
( cd $TMP/mod_ssl-$MODSSL_VER/pkg.eapi
  cp -a *.h $TMP/apache_$APACHE_VER/src/include
  cp -a *.c $TMP/apache_$APACHE_VER/src/ap )
( cd $TMP/mod_ssl-$MODSSL_VER/pkg.addon
  cp -a *.c $TMP/apache_$APACHE_VER/src/modules/extra
  cp -a *.html $TMP/apache_$APACHE_VER/htdocs/manual/mod )

# build apache
cd $TMP/apache_$APACHE_VER
# Stop using old obsolete DB1.
zcat $CWD/apache.dbm.diff.gz | patch -p1 --verbose || exit 1

if [ "$APACHE_VER" == "1.3.35" ]; then
  # Clearly 1.3.35 got minimal testing...
  zcat $CWD/apache_1.3.35.stupid.include.bug.diff.gz | patch -p1 --verbose || exit 1
fi

chown -R root.root .
cat $CWD/config.layout.slack >> config.layout
EAPI=SYSTEM \
./configure \
  --with-layout=Slackware \
  --enable-module=most \
  --enable-shared=max \
  --manualdir=/var/www/htdocs/manual \
  --enable-rule=eapi
make -j3

# install libmm
cd $TMP/mm-$MM_VER
make DESTDIR=$PKG install
chmod 755 $PKG/usr/lib/libmm.so.*
mkdir -p $PKG/usr/doc/mm-$MM_VER
cp -a \
  ChangeLog INSTALL LICENSE PORTING README THANKS \
  $PKG/usr/doc/mm-$MM_VER

# install apahe
cd $TMP/apache_$APACHE_VER
make install root=$PKG
mkdir -p $PKG/usr/doc/apache-$APACHE_VER
cp -a \
  ABOUT_APACHE Announcement INSTALL KEYS LICENSE README README.configure \
  $PKG/usr/doc/apache-$APACHE_VER
cp -a \
  $TMP/mod_ssl-$MODSSL_VER/pkg.eapi/README.EAPI \
  $PKG/usr/doc/apache-$APACHE_VER

# we do not want these in the package, if they don't exist on the system
# then we copy the default one in place as the real file
( cd $PKG/etc/apache
  rm -rf access.conf httpd.conf magic mime.types srm.conf )

# we add a block to the end of httpd.conf and touch zero length files
# for the SSL and PHP module packages
cat << EOF >> $PKG/etc/apache/httpd.conf.default

# By default, all external Apache modules are disabled.  To enable a particular
# module for Apache, make sure the necessary packages are installed.  Then
# uncomment the appropriate Include line below, save the file, and restart
# Apache.  Note that some modules may need additional configuration steps.  For
# example, mod_ssl requires a site certificate which you may need to generate.
#
# Lastly, if you remove a module package, be sure to edit this file and comment
# out the appropriate Include line.

# ==> mod_php configuration settings <==
#
# PACKAGES REQUIRED:  openssl-solibs (A series) and/or openssl (N series),
#                     mysql (AP series), gmp (L series), mhash (L series),
#                     and apache (N series)
#
#Include /etc/apache/mod_php.conf

# ==> mod_ssl configuration settings <==
#
# PACKAGES REQUIRED:  apache (N series) and openssl (N series)
#
#Include /etc/apache/mod_ssl.conf

EOF

# some housekeeping
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)
gzip -9 $PKG/usr/man/*/*
chown -R root.bin $PKG/usr/bin
chown -R root.bin $PKG/usr/sbin

# This is a point of overlap with the mod_ssl package, so we'll make it
# a symlink so that it's less of a trap for the unsuspecting admin:
( cd $PKG/usr/sbin
  mv apachectl apachectl-standard
  # Better to use some custom code in doinst.sh.
  #ln -sf apachectl-standard apachectl
)

# Add slack-desc:
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# make the package
cd $PKG
makepkg -l y -c n $REPOS/apache-$APACHE_VER-$ARCH-$BUILD.tgz

if [ "$CLEANUP" == "yes" ]; then
  rm -rf $TMP
fi