cargo-tauri.hook: init

pkgs/by-name/ca/cargo-tauri/hook.nix

@@ -0,0 +1,56 @@
+{
+  lib,
+  stdenv,
+  makeSetupHook,
+  cargo,
+  cargo-tauri,
+  rust,
+  # The subdirectory of `target/` from which to copy the build artifacts
+  targetSubdirectory ? stdenv.hostPlatform.rust.cargoShortTarget,
+}:
+
+let
+  kernelName = stdenv.hostPlatform.parsed.kernel.name;
+in
+makeSetupHook {
+  name = "tauri-hook";
+
+  propagatedBuildInputs = [
+    cargo
+    cargo-tauri
+  ];
+
+  substitutions = {
+    inherit targetSubdirectory;
+    inherit (rust.envVars) rustHostPlatformSpec setEnv;
+
+    # A map of the bundles used for Tauri's different supported platforms
+    # https://github.com/tauri-apps/tauri/blob/23a912bb84d7c6088301e1ffc59adfa8a799beab/README.md#platforms
+    defaultTauriBundleType =
+      {
+        darwin = "app";
+        linux = "deb";
+      }
+      .${kernelName} or (throw "${kernelName} is not supported by cargo-tauri.hook");
+
+    # $targetDir is the path to the build artifacts (i.e., `./target/release`)
+    installScript =
+      {
+        darwin = ''
+          mkdir $out
+          mv "$targetDir"/bundle/macos $out/Applications
+        '';
+
+        linux = ''
+          mv "$targetDir"/bundle/deb/*/data/usr $out
+        '';
+      }
+      .${kernelName} or (throw "${kernelName} is not supported by cargo-tauri.hook");
+  };
+
+  meta = {
+    inherit (cargo-tauri.meta) maintainers broken;
+    # Platforms that Tauri supports bundles for
+    platforms = lib.platforms.darwin ++ lib.platforms.linux;
+  };
+} ./hook.sh

pkgs/by-name/ca/cargo-tauri/hook.sh

@@ -0,0 +1,101 @@
+# shellcheck shell=bash disable=SC2034,SC2154,SC2164
+
+# We replace these
+export dontCargoBuild=true
+export dontCargoInstall=true
+
+tauriBuildHook() {
+    echo "Executing tauriBuildHook"
+
+    runHook preBuild
+
+    ## The following is lifted from rustPlatform.cargoBuildHook
+    ## As we're replacing it, we should also be respecting its options.
+
+    # Account for running outside of mkRustPackage where this may not be set
+    cargoBuildType="${cargoBuildType:-release}"
+
+    # Let stdenv handle stripping, for consistency and to not break
+    # separateDebugInfo.
+    export "CARGO_PROFILE_${cargoBuildType@U}_STRIP"=false
+
+    if [ -n "${buildAndTestSubdir-}" ]; then
+        # ensure the output doesn't end up in the subdirectory
+        CARGO_TARGET_DIR="$(pwd)/target"
+        export CARGO_TARGET_DIR
+
+        # Tauri doesn't respect $CARGO_TARGET_DIR, but does respect the cargo
+        # argument...but that doesn't respect `--target`, so we have to use the
+        # config file
+        # https://github.com/tauri-apps/tauri/issues/10190
+        printf '\nbuild.target-dir = "%s"' "$CARGO_TARGET_DIR" >>config.toml
+
+        pushd "${buildAndTestSubdir}"
+    fi
+
+    local cargoFlagsArray=(
+        "-j" "$NIX_BUILD_CORES"
+        "--target" "@rustHostPlatformSpec@"
+        "--offline"
+    )
+    local tauriFlagsArray=(
+        "--bundles" "${tauriBundleType:-@defaultTauriBundleType@}"
+        "--target" "@rustHostPlatformSpec@"
+    )
+
+    if [ "${cargoBuildType}" != "debug" ]; then
+        cargoFlagsArray+=("--profile" "${cargoBuildType}")
+    fi
+
+    if [ -n "${cargoBuildNoDefaultFeatures-}" ]; then
+        cargoFlagsArray+=("--no-default-features")
+    fi
+
+    if [ -n "${cargoBuildFeatures-}" ]; then
+        cargoFlagsArray+=("--features=$(concatStringsSep "," cargoBuildFeatures)")
+    fi
+
+    concatTo cargoFlagsArray cargoBuildFlags
+
+    if [ "${cargoBuildType:-}" == "debug" ]; then
+        tauriFlagsArray+=("--debug")
+    fi
+
+    concatTo tauriFlagsArray tauriBuildFlags
+
+    echoCmd 'cargo-tauri.hook cargoFlags' "${cargoFlagsArray[@]}"
+    echoCmd 'cargo-tauri.hook tauriFlags' "${tauriFlagsArray[@]}"
+
+    @setEnv@ cargo tauri build "${tauriFlagsArray[@]}" -- "${cargoFlagsArray[@]}"
+
+    if [ -n "${buildAndTestSubdir-}" ]; then
+        popd
+    fi
+
+    runHook postBuild
+
+    echo "Finished tauriBuildHook"
+}
+
+tauriInstallHook() {
+    echo "Executing tauriInstallHook"
+
+    runHook preInstall
+
+    # Use a nice variable for our target directory in the following script
+    targetDir=target/@targetSubdirectory@/$cargoBuildType
+
+    @installScript@
+
+    runHook postInstall
+
+    echo "Finished tauriInstallHook"
+}
+
+if [ -z "${dontTauriBuild:-}" ] && [ -z "${buildPhase:-}" ]; then
+    buildPhase=tauriBuildHook
+fi
+
+if [ -z "${dontTauriInstall:-}" ] && [ -z "${installPhase:-}" ]; then
+    installPhase=tauriInstallHook
+fi

pkgs/by-name/ca/cargo-tauri/package.nix

@@ -1,6 +1,7 @@
 {
   lib,
   stdenv,
+  callPackage,
   rustPlatform,
   fetchFromGitHub,
   darwin,
@@ -46,6 +47,11 @@ rustPlatform.buildRustPackage rec {
       ]
     );
 
+  passthru = {
+    # See ./doc/hooks/tauri.section.md
+    hook = callPackage ./hook.nix { };
+  };
+
   meta = {
     description = "Build smaller, faster, and more secure desktop applications with a web frontend";
     homepage = "https://tauri.app/";