#!/bin/bash

# Slackware build script for typora (binary repack)

# Copyright 2026 danix <danix@danix.xyz>
# 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)

PRGNAM=typora-bin
SRCNAM=Typora
VERSION=${VERSION:-1.14.9}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

# Upstream ships x86_64 and arm64 tarballs; only x86_64 is packaged here.
if [ "$ARCH" != "x86_64" ]; then
  echo "$ARCH is not supported: this script packages the x86_64 tarball only."
  exit 1
fi

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

# Where the Electron bundle lands.  Versioned, so upgrades cannot leave a
# previous release's files behind and two versions can coexist.  Upstream
# resolves resources/ relative to its own binary, so any prefix works as long
# as the tree stays intact.
APPDIR=/opt/$PRGNAM-$VERSION

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-linux-x64
# The tarball unpacks to bin/Typora-linux-x64; strip the leading bin/.
tar xvf $CWD/$SRCNAM-linux-x64-$VERSION.tar.gz --strip-components=1

cd $SRCNAM-linux-x64

mkdir -p $PKG$APPDIR
cp -a . $PKG$APPDIR

# Drop the Windows/macOS installer artwork and the "do not put files here"
# note aimed at users of upstream's own updater.
rm -f $PKG$APPDIR/"DO NOT ADD FILES HERE.md"
rm -f $PKG$APPDIR/resources/assets/*.ico

# Upstream's bundled updater would try to overwrite the package tree in
# /opt, which pkgtool then knows nothing about.  Remove it so updates come
# from a rebuilt package instead.
rm -rf $PKG$APPDIR/resources/updater

# Make every bundled ELF executable.  Electron/Chromium payloads mix 0755
# libs with 0644 prebuilt native modules (.node), which trips sbopkglint's
# 20-arch test.  Match by content, not name.  Do NOT strip: these are
# prebuilt binaries shipped unstripped by upstream.
find $PKG -type f -print0 | xargs -0 file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | while read elf; do
  chmod 755 "$elf"
done

# Launch through a wrapper rather than a symlink to the binary: it picks the
# Ozone Wayland backend when a Wayland session is detected, so one package
# behaves correctly in both session types.  APPDIR is versioned, so stamp it
# in here instead of hardcoding it in the script.
mkdir -p $PKG/usr/bin
sed "s|@APPDIR@|$APPDIR|" $CWD/typora.sh > $PKG/usr/bin/typora
chmod 755 $PKG/usr/bin/typora
# Fail loudly rather than shipping a launcher that points nowhere.
if grep -q '@APPDIR@' $PKG/usr/bin/typora ; then
  echo "ERROR: @APPDIR@ substitution failed in typora.sh" 1>&2
  exit 1
fi

# Upstream ships no .desktop file and no hicolor icons, only a macOS-style
# icon set under resources/assets/icon.  The @2x variants are just the next
# size up (icon_128x128@2x.png is 256px), so map the plain ones and take
# 512x512@2x as the 1024 size.
for px in 16 32 128 256 512 ; do
  mkdir -p $PKG/usr/share/icons/hicolor/${px}x${px}/apps
  cat $PKG$APPDIR/resources/assets/icon/icon_${px}x${px}.png \
    > $PKG/usr/share/icons/hicolor/${px}x${px}/apps/typora.png
done
mkdir -p $PKG/usr/share/icons/hicolor/1024x1024/apps
cat $PKG$APPDIR/resources/assets/icon/icon_512x512@2x.png \
  > $PKG/usr/share/icons/hicolor/1024x1024/apps/typora.png

mkdir -p $PKG/usr/share/applications
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $PKG$APPDIR/LICENSE > $PKG/usr/doc/$PRGNAM-$VERSION/LICENSE
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/$PRGNAM.nvchecker > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.nvchecker

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh
# APPDIR is versioned; append the chmod here so doinst.sh needs no edit on a
# bump.  Leading ./ and no slash on APPDIR: doinst.sh runs from the root of
# the installed filesystem.
echo "chmod 4755 .$APPDIR/chrome-sandbox 2>/dev/null" >> $PKG/install/doinst.sh

chown -R root:root $PKG
find -L $PKG \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
   -o -perm 511 \) -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 {} \+

# chrome-sandbox needs setuid root (4755) for Chromium's SUID sandbox.  Set it
# LAST, after the find -L perm-normalize above would otherwise strip it.
chmod 4755 $PKG$APPDIR/chrome-sandbox

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