build-flatpak.sh

#!/bin/bash
# creates a custom JRE and self-contained launcher for application using AppImage
set -ex

echo
echo "--- building Flatpak ---"
if ! command -v flatpak > /dev/null; then
    echo "flatpak not found, cannot continue"
    exit 1
fi
if ! command -v flatpak-builder > /dev/null; then
    echo "flatpak-builder not found, cannot continue"
    exit 1
fi

# ---

ARCH=x86_64
output_dir="flatpak"

#rm -rf "./strongbox/target"
#rm -rf "./strongbox"
rm -rf "./$output_dir"
mkdir -p "./$output_dir"

# 'lein clean' may delete jar files within ./target, but preserve ./target dir
if [ ! -e strongbox/target/*-standalone.jar ]; then
    echo "--- building uberjar ---"
    git clone https://github.com/ogri-la/strongbox
    (
        cd strongbox

        lein clean
        rm -f resources/full-catalogue.json
        wget https://raw.githubusercontent.com/ogri-la/strongbox-catalogue/master/full-catalogue.json \
            --quiet \
            --directory-prefix resources
        lein uberjar
    )
fi

cp ./strongbox/target/*-standalone.jar "$output_dir/app.jar"

# ---

echo "--- adding Flathub remote"
flatpak --user remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

echo "--- installing Flatpak runtime"
flatpak install \
    --assumeyes \
    --arch "$ARCH" \
    --user \
    flathub \
    org.freedesktop.Platform//23.08 \
    org.freedesktop.Sdk//23.08 \
    org.freedesktop.Sdk.Extension.openjdk11//23.08

cp la.ogri.strongbox.yml metainfo.xml strongbox.svg strongbox.desktop "$output_dir/"

(
    cd "$output_dir"

    build_dir=".flatpak" # flatpak/.flatpak
    appid="la.ogri.strongbox"
    manifest="$appid.yml"
    tag="master"
    output_filename="strongbox.flatpak"

    if [ ! -f "$manifest" ]; then
        echo "manifest not found, cannot continue"
        exit 1
    fi

    echo "--- building"
    # export flatpak to local repo
    # --user                             Install dependencies in user installations
    # --repo=DIR                         Repo to export into
    # --force-clean                      Erase previous contents of DIRECTORY
    # --keep-build-dirs                  Don't remove build directories after install
    # --disable-download                 Don't download any new sources
    flatpak-builder --user --repo ./repo --force-clean --keep-build-dirs --disable-download "$build_dir" "$manifest"

    #echo "--- linting"
    #flatpak remote-add --if-not-exists --user flathub https://dl.flathub.org/repo/flathub.flatpakrepo
    #flatpak install --user --noninteractive flathub org.flatpak.Builder
    #flatpak run --command=flatpak-builder-lint org.flatpak.Builder --exceptions manifest la.ogri.strongbox.yml

    echo "--- installing"
    flatpak install --user --reinstall --assumeyes ./repo "$appid"

    # create a standalone .flatpak 'bundle' file. requires a repo.
    #flatpak build-bundle ./repo "$output_filename" "$appid" "$tag"

    # uninstall/install
    #flatpak --user list # list installed
    #flatpak uninstall --user --noninteractive "$appid"
    #flatpak install --user --reinstall --noninteractive "$output_filename"
)

echo
echo "--- cleaning up ---"

echo
echo "done."