#!/bin/bash

# screen.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>

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

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

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

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.?z*
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Apply patches taken from Debian:
for pf in \
   26source_encoding.patch.gz \
   45suppress_remap.patch.gz \
   52fix_screen_utf8_nfd.patch.gz \
   58-show-encoding-hardstatus.patch.gz \
   ; do zcat $CWD/$pf | patch --verbose -p1 || exit 1
done

# Do not link against libelf:
zcat $CWD/screen.no_libelf.diff.gz | patch -p1 --verbose || exit 1

# Reconf after patching configure.ac:
autoreconf -vif

# Configure:
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --sysconfdir=/etc \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --mandir=/usr/man \
   --infodir=/usr/info \
   --with-sys-screenrc=/etc/screenrc \
   --with-pty-mode=0620 \
   --with-pty-group=5 \
   --disable-pam \
   --enable-telnet \
   --disable-socket-dir \
   --enable-use-locale \
   --enable-colors256 \
   --enable-rxvt_osc \
   --build=$ARCH-slackware-linux-gnueabi || failconfig

# Substitutions:
perl -pi -e 's|.*#undef HAVE_BRAILLE.*|#define HAVE_BRAILLE 1|' config.h
perl -pi -e 's|/usr/local/etc/screenrc|/etc/screenrc|' etc/etcscreenrc doc/*
perl -pi -e 's|/local/etc/screenrc|/etc/screenrc|' doc/*

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

# Install into package:
make install DESTDIR=$PKG || failinstall
chmod 755 $PKG/usr/bin/screen-$VERSION
mkdir -p $PKG/etc/skel
cat etc/etcscreenrc > $PKG/etc/screenrc.new
cat etc/screenrc > $PKG/etc/skel/.screenrc.new

# Copy docs:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
chmod 644 doc/FAQ
cp -favv COPYING ChangeLog HACKING INSTALL NEWS README TODO \
         doc/FAQ doc/README.DOTSCREEN \
         $PKG/usr/doc/$PKGNAM-$VERSION

# Package install script:
mkdir -pm755 $PKG/install
install -m644 $CWD/slack-desc $PKG/install
cat << EOF > $PKG/install/doinst.sh
#!/bin/sh
config() {
  NEW="\$1"
  OLD="\$(dirname \$NEW)/\$(basename \$NEW .new)"
  # If there's no config file by that name, mv it over:
  if [ ! -r \$OLD ]; then
    mv \$NEW \$OLD
  elif [ "\$(cat \$OLD | md5sum)" = "\$(cat \$NEW | md5sum)" ]; then # toss the redundant copy
    rm \$NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}
config etc/screenrc.new
config etc/skel/.screenrc.new
# This is probably safer than leaving the hidden .new file...  maybe?
rm -f etc/skel/.screenrc.new
EOF

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackmp         # run makepkg -l y -c n

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