appimage/build_appimage.sh


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#!/bin/bash
printf "\n\n------------------------------------ APPIMAGE BUILD -----------------------------------------\n";

# Aborts the script upon any faliure
set -e;

# Sets up script variables
BINARY_TARBALL=$1
APPIMAGE_FILE=$2
_SCRIPT_FOLDER=$(realpath $(dirname $0));
_BINARY_TARBALL_EXTRACTED_FOLDER=$_SCRIPT_FOLDER/librewolf;
_BUILD_APPIMAGE_FILE=$_SCRIPT_FOLDER/LibreWolf.AppImage;
_APPIMAGETOOL_DOWNLOAD_URL=https://github.com/AppImage/AppImageKit/releases/latest/download/appimagetool-${CARCH}.AppImage;
_APPIMAGETOOL_EXTRACTED_FOLDER=$_SCRIPT_FOLDER/squashfs-root;
_APPIMAGETOOL_FILE=$_SCRIPT_FOLDER/appimagetool;
_APPIMAGE_CONTENT_FOLDER=$_SCRIPT_FOLDER/content

# Installs needed dependencies
apt-get update && apt-get -y install file wget bzip2

if [[ ! -z "${TARBALL_URL}" ]];then
  wget "${TARBALL_URL}"
fi

if [[ ! -f "${BINARY_TARBALL}" ]];then
  echo "Tarball not provided via pipeline or download."
  exit 1
fi

if [[ $CARCH == 'aarch64' ]]; then
  apt install -y zlib1g-dev
fi

# Extracts the binary tarball
printf "\nExtracting librewolf binary tarball\n";
mkdir $_BINARY_TARBALL_EXTRACTED_FOLDER;
tar -xvf $BINARY_TARBALL -C $_BINARY_TARBALL_EXTRACTED_FOLDER;

# Copy appimage resources to main tarball
printf "Copying AppImage resources to binary tarball folder\n";
cp -vrT $_APPIMAGE_CONTENT_FOLDER $_BINARY_TARBALL_EXTRACTED_FOLDER;

# Downloads appimage tool
printf "\nDownloading AppImage Tool\n";
apt -qq update && apt -qqy install wget;
wget $_APPIMAGETOOL_DOWNLOAD_URL -O $_APPIMAGETOOL_FILE;
chmod +x $_APPIMAGETOOL_FILE;

# Generate AppImage
printf "\nGenerating AppImage\n";
ARCH=${CARCH} $_APPIMAGETOOL_FILE --appimage-extract-and-run\
  $_BINARY_TARBALL_EXTRACTED_FOLDER $_BUILD_APPIMAGE_FILE;
chmod +x $_BUILD_APPIMAGE_FILE;

# Move AppImage to specified location
printf "\nMoving AppImage to specified location\n";
mv $_BUILD_APPIMAGE_FILE $APPIMAGE_FILE;

# Cleanup files
printf "\nCleaning up AppImage files\n";
rm -rf $_BINARY_TARBALL_EXTRACTED_FOLDER;
rm -f $_APPIMAGETOOL_FILE;
rm -rf $_APPIMAGETOOL_EXTRACTED_FOLDER;