Build all packages (LOL)

lol_build_all_packages

#!/bin/bash

pkg_dir="$(pwd)/debian-packages"
mtune="cortex-a76.cortex-a55"
march="armv8.2-a+dotprod+rcpc+ssbs+sb" -mtune=cortex-a76.cortex-a55
# -march=armv8.2-a+dotprod+rcpc+ssbs+sb -mtune=cortex-a76.cortex-a55

#function get_source_packages () {
#    pkg_file="$1"
#    cat $pkg_file | xargs apt-cache show | grep Source: | awk '{print $2}' | sort | uniq > $pkg_file.sourcepackages
#}

# careful! must pass this function a glob pattern!
function glob_exists () {
    (shopt -s nullglob dotglob; f=($1); ((${#f[@]})));
}

set_flags() {
    export DEB_CFLAGS_APPEND="-march=$march -mtune=$mtune"
    export DEB_CXXFLAGS_APPEND="-march=$march -mtune=$mtune"
    export DEB_FCFLAGS_APPEND="-march=$march -mtune=$mtune"
    export DEB_FFFLAGS_APPEND="-march=$march -mtune=$mtune"
    export DEB_GCJFLAGS_APPEND="-march=$march -mtune=$mtune"
    export DEB_OBJCFLAGS_APPEND="-march=$march -mtune=$mtune"
    export DEB_OBJCXXFLAGS_APPEND="-march=$march -mtune=$mtune"
}

build_package() {
    package="$1"
    if ! glob_exists debs/"${package}_*.deb"; then
        mkdir -p src/debian
        pushd src/debian/ > /dev/null || exit 1
            echo "Building Package: $package"
            sudo apt build-dep -y "$package" > build.log 2>&1
            apt-get source --compile "$package" > build.log 2>&1
            rm -f *-dbgsym_*.deb
            mv ./*.deb "$pkg_dir/debs" 2>/dev/null || { mv build.log "$pkg_dir/logs/${package}.build.log"; echo "Build Failed: $package"; }
            rm -R -f ./*
        popd > /dev/null || exit 1
    else
        echo "Package Exists: $package"
    fi
}


pkg_file=$(pwd)/$1
sudo apt-get install -y build-essential fakeroot devscripts
mkdir -p "$pkg_dir"/{debs,logs}

#echo "Consolidating package list to source packages..."
#get_source_packages "$pkg_file" # side effect

echo "Starting Build."
pushd "$pkg_dir" || exit 1
    set_flags
    while read -r pkg; do
        build_package "$pkg" || exit 2
    done < "$pkg_file"
popd || exit 1

#rm -f "$pkg_file.sourcepackages" # clean up side effect
echo "Build complete."