functions.sh

export srcdir=firefox-tree
export src='https://github.com/mozilla-firefox/firefox'

sync_ver() {
    echo "Fetching latest Firefox version..."
    VERSION=$(curl -sf https://product-details.mozilla.org/1.0/firefox_versions.json | \
             jq -er '.LATEST_FIREFOX_VERSION')
    export VERSION
    ver=$VERSION

    TAG="FIREFOX_$( echo ${ver} | sed 's/\./_/g')_RELEASE"

    echo "$TAG"
    git clone --depth=1 $src -b "$TAG" $srcdir || {
        echo "Error: Failed to clone version $TAG"
        exit 1
    }
}

build_deb() {
export PACKAGE=firefox-lp3

cp $srcdir/objdir-opt/dist/*.tar.* .
tar xvf *.tar.*

rm -rf $PACKAGE
mkdir -p $PACKAGE/DEBIAN
mkdir -p $PACKAGE/opt
mkdir -p $PACKAGE/usr/share/applications/
mkdir -p $PACKAGE/opt/$PACKAGE/

cp -r firefox/* $PACKAGE/opt/$PACKAGE/
mv $PACKAGE/opt/$PACKAGE/firefox $PACKAGE/opt/$PACKAGE/$PACKAGE
mv $PACKAGE/opt/$PACKAGE/firefox-bin $PACKAGE/opt/$PACKAGE/$PACKAGE-bin

cp $PACKAGE.desktop $PACKAGE/usr/share/applications/$PACKAGE.desktop

cat > $PACKAGE/DEBIAN/control <<EOF
Package: $PACKAGE
Architecture: amd64
Maintainer: @ghazzor
Priority: optional
Version: $VERSION
Description: Unofficial Firefox build for x86-64-v3 CPU with O3+LTO+PGO.
EOF

cat > $PACKAGE/DEBIAN/postinst <<EOF
#!/bin/sh
set -e

# Create symbolic link after installation
ln -sf /opt/$PACKAGE/$PACKAGE /usr/bin/$PACKAGE

exit 0
EOF

chmod 755 $PACKAGE/DEBIAN/postinst

cat > $PACKAGE/DEBIAN/postrm <<EOF
#!/bin/sh
set -e

case "\$1" in
    remove|purge)
        rm -f /usr/bin/$PACKAGE
        ;;
esac
EOF

chmod 755 $PACKAGE/DEBIAN/postrm

chmod +x $PACKAGE/opt/$PACKAGE/$PACKAGE
chmod +x $PACKAGE/opt/$PACKAGE/$PACKAGE-bin
chmod +x $PACKAGE/usr/share/applications/*.desktop

# Build the package and check for errors
dpkg-deb --build $PACKAGE || { echo "Error: Failed to create Debian package"; exit 1; }
mv ${PACKAGE}.deb ${PACKAGE}_v${VERSION}_amd64.deb
rm -rf *.tar.* firefox $PACKAGE
}