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flake.nix
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{
description = "Handy - A free, open source, and extensible speech-to-text application that works completely offline";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
};
outputs =
{
self,
nixpkgs,
}:
let
supportedSystems = [
"x86_64-linux"
"aarch64-linux"
];
forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
# Read version from Cargo.toml
cargoToml = fromTOML (builtins.readFile ./src-tauri/Cargo.toml);
version = cargoToml.package.version;
in
{
packages = forAllSystems (
system:
let
pkgs = nixpkgs.legacyPackages.${system};
lib = pkgs.lib;
bunDeps = pkgs.stdenv.mkDerivation {
pname = "handy-bun-deps";
inherit version;
src = self;
nativeBuildInputs = [
pkgs.bun
pkgs.cacert
];
dontFixup = true;
buildPhase = ''
export HOME=$TMPDIR
bun install --frozen-lockfile --no-progress
'';
installPhase = ''
mkdir -p $out
cp -r node_modules $out/
'';
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = "sha256-+hUANv0w3qnK5d2+4JW3XMazLRDhWCbOxUXQyTGta/0=";
};
in
{
handy = pkgs.rustPlatform.buildRustPackage {
pname = "handy";
inherit version;
src = self;
cargoRoot = "src-tauri";
cargoLock = {
lockFile = ./src-tauri/Cargo.lock;
outputHashes = {
"rdev-0.5.0-2" = "sha256-0F7EaPF8Oa1nnSCAjzEAkitWVpMldL3nCp3c5DVFMe0=";
"rodio-0.20.1" = "sha256-wq72awTvN4fXZ9qZc5KLYS9oMxtNDZ4YGxfqz8msofs=";
"tauri-nspanel-2.1.0" = "sha256-gotQQ1DOhavdXU8lTEux0vdY880LLetk7VLvSm6/8TI=";
"tauri-runtime-2.9.1" = "sha256-sdneSI2kfRMgTkuqQoFPgtYvkqMPSuoyrffFwOph+ZM=";
"vad-rs-0.1.5" = "sha256-Q9Dxq31npyUPY9wwi6OxqSJrEvFvG8/n0dbyT7XNcyI=";
};
};
postPatch = ''
${pkgs.jq}/bin/jq 'del(.build.beforeBuildCommand) | .bundle.createUpdaterArtifacts = false' \
src-tauri/tauri.conf.json > $TMPDIR/tauri.conf.json
cp $TMPDIR/tauri.conf.json src-tauri/tauri.conf.json
# Point libappindicator-sys to the Nix store path
substituteInPlace \
$cargoDepsCopy/libappindicator-sys-*/src/lib.rs \
--replace-fail \
"libayatana-appindicator3.so.1" \
"${pkgs.libayatana-appindicator}/lib/libayatana-appindicator3.so.1"
# Disable cbindgen in ferrous-opencc (calls cargo metadata which fails in sandbox)
# Upstream removed this call in v0.3.1+
substituteInPlace $cargoDepsCopy/ferrous-opencc-0.2.3/build.rs \
--replace-fail '.expect("Unable to generate bindings")' '.ok();'
substituteInPlace $cargoDepsCopy/ferrous-opencc-0.2.3/build.rs \
--replace-fail '.write_to_file("opencc.h");' '// skipped'
'';
preBuild = ''
cp -r ${bunDeps}/node_modules node_modules
chmod -R +w node_modules
substituteInPlace node_modules/.bin/{tsc,vite} \
--replace-fail "/usr/bin/env node" "${lib.getExe pkgs.bun}"
export HOME=$TMPDIR
bun run build
'';
# Tests require runtime resources (audio devices, model files, GPU/Vulkan)
# not available in the Nix build sandbox
doCheck = false;
# The tauri hook's installPhase expects target/ in cwd, but our
# cargoRoot puts it under src-tauri/. Override to extract the DEB.
installPhase = ''
runHook preInstall
mkdir -p $out
cd src-tauri
mv target/${pkgs.stdenv.hostPlatform.rust.rustcTarget}/release/bundle/deb/*/data/usr/* $out/
runHook postInstall
'';
nativeBuildInputs = with pkgs; [
cargo-tauri.hook
pkg-config
wrapGAppsHook4
bun
jq
cmake
llvmPackages.libclang
shaderc
];
buildInputs = with pkgs; [
webkitgtk_4_1
gtk3
glib
glib-networking
libsoup_3
alsa-lib
onnxruntime
libayatana-appindicator
libevdev
libx11
libxtst
gtk-layer-shell
openssl
vulkan-loader
vulkan-headers
shaderc
# Required for WebKitGTK audio/video
gst_all_1.gstreamer
gst_all_1.gst-plugins-base
gst_all_1.gst-plugins-good
gst_all_1.gst-plugins-bad
gst_all_1.gst-plugins-ugly
];
env = {
LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
BINDGEN_EXTRA_CLANG_ARGS = "-isystem ${pkgs.llvmPackages.libclang.lib}/lib/clang/${lib.getVersion pkgs.llvmPackages.libclang}/include -isystem ${pkgs.glibc.dev}/include";
ORT_LIB_LOCATION = "${pkgs.onnxruntime}/lib";
OPENSSL_NO_VENDOR = "1";
# Tell Gstreamer where to find plugins
GST_PLUGIN_SYSTEM_PATH_1_0 = "${pkgs.lib.makeSearchPathOutput "lib" "lib/gstreamer-1.0" (
with pkgs.gst_all_1;
[
gstreamer
gst-plugins-base
gst-plugins-good
gst-plugins-bad
gst-plugins-ugly
]
)}";
};
preFixup = ''
gappsWrapperArgs+=(
--set WEBKIT_DISABLE_DMABUF_RENDERER 1
--prefix LD_LIBRARY_PATH : "${
lib.makeLibraryPath [
pkgs.vulkan-loader
pkgs.onnxruntime
]
}"
)
'';
meta = {
description = "A free, open source, and extensible speech-to-text application that works completely offline";
homepage = "https://github.com/cjpais/Handy";
license = lib.licenses.mit;
mainProgram = "handy";
platforms = supportedSystems;
};
};
default = self.packages.${system}.handy;
}
);
# Development shell for building from source
devShells = forAllSystems (
system:
let
pkgs = import nixpkgs {
inherit system;
};
in
{
default = pkgs.mkShell {
buildInputs = with pkgs; [
# Rust
rustc
cargo
rust-analyzer
clippy
# Frontend
nodejs
bun
# Tauri CLI
cargo-tauri
# Native deps
pkg-config
openssl
alsa-lib
libsoup_3
webkitgtk_4_1
gtk3
gtk-layer-shell
glib
libxtst
libevdev
llvmPackages.libclang
cmake
vulkan-headers
vulkan-loader
shaderc
libappindicator
];
LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath [ pkgs.libappindicator ]}";
GST_PLUGIN_SYSTEM_PATH_1_0 = "${pkgs.lib.makeSearchPathOutput "lib" "lib/gstreamer-1.0" (
with pkgs.gst_all_1;
[
gstreamer
gst-plugins-base
gst-plugins-good
gst-plugins-bad
gst-plugins-ugly
]
)}";
# Same as wrapGAppsHook4
XDG_DATA_DIRS = "${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/${pkgs.gsettings-desktop-schemas.name}:${pkgs.gtk3}/share/gsettings-schemas/${pkgs.gtk3.name}:${pkgs.hicolor-icon-theme}/share";
shellHook = ''
echo "Handy development environment"
bun install
echo "Run 'bun run tauri dev' to start"
'';
};
}
);
};
}
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