104 lines
3.3 KiB
Nix
104 lines
3.3 KiB
Nix
{
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lib,
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craneLib,
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pkg-config,
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qt6,
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writeShellScript,
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runCommand,
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}:
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let
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# nixpkgs splits Qt tools across packages: moc/rcc/qtpaths live in qtbase,
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# qmltyperegistrar and qmlcachegen live in qtdeclarative. qt-build-utils
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# finds tools via `qmake -query QT_INSTALL_LIBEXECS`, which only returns
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# qtbase paths, so those two tools are invisible. Fix: combine them into a
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# single symlink tree and point a qmake wrapper at it.
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qtBuildTools = runCommand "qt6-build-tools" { } ''
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mkdir -p $out/libexec $out/bin
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for f in ${qt6.qtbase}/libexec/* ${qt6.qtbase}/bin/*; do
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ln -sf "$f" "$out/$(echo "$f" | grep -o 'libexec\|bin')/$(basename "$f")"
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done
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for tool in qmltyperegistrar qmlcachegen; do
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src="${qt6.qtdeclarative}/libexec/$tool"
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[ -f "$src" ] && ln -sf "$src" "$out/libexec/$tool"
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done
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'';
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qmakeWrapper = writeShellScript "qmake6" ''
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if [ "$1" = "-query" ]; then
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case "$2" in
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QT_HOST_LIBEXECS|QT_HOST_LIBEXECS/get|QT_INSTALL_LIBEXECS|QT_INSTALL_LIBEXECS/get)
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echo "${qtBuildTools}/libexec"; exit 0;;
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QT_HOST_BINS|QT_HOST_BINS/get|QT_INSTALL_BINS|QT_INSTALL_BINS/get)
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echo "${qtBuildTools}/bin"; exit 0;;
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esac
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fi
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exec ${qt6.qtbase}/bin/qmake6 "$@"
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'';
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# Args shared between the deps-only build (cached on Cargo.lock changes only)
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# and the final crate build. cxx-qt-build runs during the deps build too, so it
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# needs the Qt env to find qmltyperegistrar/qmlcachegen.
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# Default cleanCargoSource only keeps .rs/.toml/.lock; also keep the linker
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# --dynamic-list file referenced by build.rs.
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pluginSrc = lib.cleanSourceWith {
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src = ../plugin;
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name = "nova-plugin-source";
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filter =
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path: type:
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(baseNameOf path == "qt_plugin_exports.txt") || (craneLib.filterCargoSources path type);
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};
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commonArgs = {
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pname = "nova-plugin";
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version = "0.1.0";
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src = pluginSrc;
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strictDeps = true;
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nativeBuildInputs = [
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pkg-config
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qt6.qtbase
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qt6.qtdeclarative
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];
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buildInputs = [
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qt6.qtbase
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qt6.qtdeclarative
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];
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dontWrapQtApps = true;
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# qt6.qtbase's setup hook overrides QMAKE after derivation attrs are set,
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# so re-assert it in preBuild which runs after all setup hooks.
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preBuild = ''
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export QMAKE=${qmakeWrapper}
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'';
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};
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cargoArtifacts = craneLib.buildDepsOnly commonArgs;
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in
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craneLib.buildPackage (
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commonArgs
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// {
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inherit cargoArtifacts;
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# Crane's default cargo build doesn't set CARGO_BUILD_TARGET, so artifacts land
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# in `target/release/` and cxx-qt files in `target/cxxqt/...` (no triple subdir,
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# unlike nixpkgs rustPlatform). Use `find` to stay agnostic to either layout.
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installPhaseCommand = ''
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qml_dir="$out/lib/qt-6/qml/NovaStats"
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mkdir -p "$qml_dir"
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so=$(find target -name 'libnova_plugin.so' -path '*/release/*' | head -1)
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install -m755 "$so" "$qml_dir/libNovaStats.so"
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qmldir=$(find target -path '*/cxxqt/qml_modules/NovaStats/qmldir' | head -1)
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install -m644 "$qmldir" "$qml_dir/"
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qmltypes=$(find target -path '*/cxxqt/qml_modules/NovaStats/plugin.qmltypes' | head -1)
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[ -n "$qmltypes" ] && install -m644 "$qmltypes" "$qml_dir/" || true
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'';
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meta = {
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description = "In-process system stats QML plugin for nova-shell";
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platforms = lib.platforms.linux;
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};
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}
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)
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