#!/bin/bash

# Copyright 2008-2024  Patrick J. Volkerding, Sebeka, MN, 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.

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

PKGNAM=man-pages
VERSION=${VERSION:-$(/bin/ls man-pages-*.tar.?z | head -n 1 | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
ARCH=noarch
BUILD=${BUILD:-2}

# 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

TMP=${TMP:-/tmp}
PKG=$TMP/package-man-pages

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf man-pages-$VERSION
tar xvf $CWD/man-pages-$VERSION.tar.?z
tar xvf $CWD/man-pages-posix-*.tar.?z
echo "Fixing permissions..."
chown -R root:root man-pages-$VERSION man-pages-posix-*
chmod -R a-s,u+rw,go+r-w man-pages-$VERSION man-pages-posix-*
find man-pages-$VERSION \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \+ -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \+
find man-pages-posix-* \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \+ -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \+

mkdir -p $PKG/usr/man
cp -a man-pages-$VERSION/man* $PKG/usr/man

# Are these other POSIX manpages of any real usefulness here?
# Granted there may be some historical interest, and it's nice
# to have them in the source package for that reason, but it
# seems to me that installing them on the system by default 
# isn't likely to help most people and may lead to confusion.
# The pthread manpages are the only POSIX ones that anyone
# has requested saving.  If I missed anything important, let me know.
cp -a man-pages-posix-*/man0p/pthread.h.0p $PKG/usr/man/man3/pthread.h.3p
cp -a man-pages-posix-*/man3p/pthread_* $PKG/usr/man/man3
# Adding this one to avoid getting ksh for sh:
cp -a man-pages-posix-*/man1p/sh.1p $PKG/usr/man/man1

# Compress the pages:
echo "Compressing manpages..."
gzip -9 $PKG/usr/man/man*/*.*

# If a man page exists in some other package, assume that's the
# newer, better version:
echo "Pruning manpages found in other packages..."
TEMPDIR=$(mktemp -d)
chmod 700 $TEMPDIR
( cd $PKG ; /bin/ls usr/man/man*/*.gz | sort > $TEMPDIR/man-pages-pages )
( cd /var/log/packages
  GLOBIGNORE="$(/bin/ls man-pages-*)"
  cat * | grep usr/man | sort | uniq > $TEMPDIR/other-packages-pages
  unset GLOBIGNORE
)
( cd $PKG
  comm -12 $TEMPDIR/man-pages-pages $TEMPDIR/other-packages-pages | xargs rm --verbose
)
rm -r $TEMPDIR

# Some of the posix pages don't display correctly without this
( cd $PKG/usr/man ; ln -s man3 man3p )

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  man-pages-$VERSION/{CONTRIBUTING,Changes,README,man-pages-${VERSION}.Announce,man-pages-${VERSION}.lsm} \
  man-pages-posix-*/POSIX-COPYRIGHT \
  $PKG/usr/doc/${PKGNAM}-$VERSION

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

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