Add Nix shell and local 16KB-aligned Olm build

2026-05-16 15:59:41 -03:00 · 2026-05-16 15:59:41 -03:00 · 700289fef9
commit 700289fef9
parent 9bc3651341
15 changed files with 499 additions and 51 deletions
--- a/flake.nix
+++ b/flake.nix
@ -0,0 +1,60 @@
+{
+  description = "Nix dev shell for building matrix-android from the CLI";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, flake-utils, nixpkgs }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config.allowUnfree = true;
+          config.android_sdk.accept_license = true;
+        };
+
+        androidComposition = pkgs.androidenv.composeAndroidPackages {
+          platformVersions = [ "31" "35" ];
+          buildToolsVersions = [ "30.0.2" "34.0.0" "35.0.0" ];
+          includeEmulator = false;
+          includeNDK = true;
+          includeSources = false;
+          includeSystemImages = false;
+        };
+
+        androidSdk = androidComposition.androidsdk;
+        androidSdkRoot = "${androidSdk}/libexec/android-sdk";
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          packages = [
+            pkgs.gradle
+            pkgs.jdk17
+            androidSdk
+          ];
+
+          ANDROID_HOME = androidSdkRoot;
+          ANDROID_SDK_ROOT = androidSdkRoot;
+          JAVA_HOME = pkgs.jdk17.home;
+
+          shellHook = ''
+            export ANDROID_USER_HOME="$PWD/.android"
+            export GRADLE_USER_HOME="$PWD/.gradle"
+            export PATH="$ANDROID_SDK_ROOT/platform-tools:$PATH"
+            export GRADLE_OPTS="-Dorg.gradle.project.android.aapt2FromMavenOverride=$ANDROID_SDK_ROOT/build-tools/35.0.0/aapt2"
+
+            cat > local.properties <<EOF
+            # Generated by nix develop.
+            sdk.dir=$ANDROID_SDK_ROOT
+            EOF
+
+            echo "matrix-android dev shell"
+            echo "  JAVA_HOME=$JAVA_HOME"
+            echo "  ANDROID_SDK_ROOT=$ANDROID_SDK_ROOT"
+            echo "  Build with: gradle assembleDebug"
+          '';
+        };
+      });
+}