#!/bin/sh

# Slackware build script for S-nail

# Copyright 2008, 2009, 2010, 2016, 2018  Patrick J. Volkerding, Sebeka, MN, USA
# Copyright 2018 Johannes Schoepfer, Germany
# 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.

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

PKGNAM=s-nail
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

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

# 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

# Don't use parallel build:
#NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS=${SLKCFLAGS:-"-O2"}
  LIBDIRSUFFIX=${LIBDIRSUFFIX:-""}
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PKGNAM-$VERSION
tar xvf $CWD/$PKGNAM-$VERSION.tar.?z || exit 1
cd $PKGNAM-$VERSION || exit 1
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 {} \+

# If there's no mail, exit:
zcat $CWD/s-nail.no.emptystart.diff.gz | patch -p1 --verbose || exit 1

CFLAGS="$SLKCFLAGS" \
make \
  VAL_PREFIX=/usr \
  VAL_SYSCONFDIR=/etc \
  VAL_MANDIR=/usr/man \
  VAL_MAIL=/var/spool/mail \
  VAL_MTA=/usr/sbin/sendmail \
  OPT_AUTOCC=no \
  OPT_DOTLOCK=no \
  VAL_SID= \
  VAL_MAILX=mailx \
  VAL_SYSCONFRC=nail.rc \
  VAL_RANDOM="libgetrandom,sysgetrandom,urandom" \
  config || exit 1

make $NUMJOBS build || exit 1

# Test failed on arch different then x86
if [ `echo $ARCH|grep -c 86` -gt 0 ]]
then
make $NUMJOBS test || exit 1
fi
make install DESTDIR=$PKG || exit 1

# Tighten up the perms a bit:
chmod 4711 $PKG/usr/libexec/mailx-dotlock

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

# We put symlinks in /bin since some things still expect '/bin/mail' or '/bin/Mail':
mkdir -p $PKG/bin
( cd $PKG/bin
  ln -sf /usr/bin/mailx Mail
  ln -sf /usr/bin/mailx mail
  ln -sf /usr/bin/mailx nail
)

# Likewise, we make some compat symlinks in /usr/bin:
( cd $PKG/usr/bin
  ln -sf mailx Mail
  ln -sf mailx mail
  ln -sf mailx nail
)

mv $PKG/etc/nail.rc $PKG/etc/nail.rc.new

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

# Manpage links:
( cd $PKG/usr/man/man1
  ln -sf mailx.1.gz mail.1.gz
  ln -sf mailx.1.gz nail.1.gz
  ln -sf mailx.1.gz Mail.1.gz
)

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  COPYING* INSTALL* NEWS* README* THANKS* \
  $PKG/usr/doc/$PKGNAM-$VERSION

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz