LightningView/io.github.dividebysandwich.lightningview.yml at main · dividebysandwich/LightningView · GitHub

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app-id: io.github.dividebysandwich.lightningview
runtime: org.freedesktop.Platform
# 25.08 ships rustc 1.94 in the rust-stable extension, which satisfies the
# >=1.92 MSRV that egui 0.34 requires. 24.08 only had rust 1.89 and the build
# would fail with "rustc 1.89.0 is not supported by ecolor/eframe/egui/...".
runtime-version: '25.08'
sdk: org.freedesktop.Sdk
sdk-extensions:
  - org.freedesktop.Sdk.Extension.rust-stable
  # llvm18 is not published for 25.08; the available branches are llvm20/llvm21.
  - org.freedesktop.Sdk.Extension.llvm20

command: lightningview

finish-args:
  # --- GUI / Display ---
  - --socket=fallback-x11
  - --socket=wayland
  - --device=dri
  - --share=ipc

  # --- File Access ---
  # Essential for an image viewer to open files passed as arguments
  # from anywhere on the system (e.g. "Open With").
  - --filesystem=host

  # --- System Integration ---
  # Read system theme/settings (helps eframe/egui look correct).
  # The legacy `--config=dconf` shorthand was removed; modern flatpak wants
  # the explicit dconf trio: a socket bind and a D-Bus talk permission.
  - --filesystem=xdg-run/dconf
  - --talk-name=ca.desrt.dconf
  - --env=DCONF_USER_CONFIG_DIR=dconf

build-options:
  append-path: /usr/lib/sdk/rust-stable/bin:/usr/lib/sdk/llvm20/bin
  prepend-ld-library-path: /usr/lib/sdk/llvm20/lib
  env:
    # Use the in-tree .cargo/config.toml + vendor/ that the CI step prepared.
    CARGO_HOME: .cargo

modules:
  - name: lightningview
    buildsystem: simple

    build-commands:
      # Build offline against the vendored sources copied in via `type: dir`.
      - cargo --offline build --release --verbose --manifest-path Cargo.toml

      # Install Binary
      - install -Dm755 target/release/lightningview /app/bin/lightningview

      # Install Icon (Flathub requires the file to be prefixed with the app id)
      - install -Dm644 lightningview.png /app/share/icons/hicolor/256x256/apps/io.github.dividebysandwich.lightningview.png

      # Install Desktop File (Flathub requires the file to be prefixed with the app id)
      - install -Dm644 lightningview.desktop /app/share/applications/io.github.dividebysandwich.lightningview.desktop
      - desktop-file-edit --set-icon=io.github.dividebysandwich.lightningview /app/share/applications/io.github.dividebysandwich.lightningview.desktop

    sources:
      - type: dir
        path: .