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Alb-Oopencodeopencode-agent[bot]
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feat: nix support for the nix folks (#3924)
Co-authored-by: opencode <opencode@sst.dev> Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>
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‎.github/workflows/update-nix-hashes.yml‎

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name: Update Nix Hashes
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permissions:
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contents: write
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on:
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workflow_dispatch:
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push:
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paths:
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- 'bun.lock'
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- 'package.json'
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- 'packages/*/package.json'
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pull_request:
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paths:
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- 'bun.lock'
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- 'package.json'
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- 'packages/*/package.json'
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jobs:
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update:
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runs-on: ubuntu-latest
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env:
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SYSTEM: x86_64-linux
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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with:
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token: ${{ secrets.GITHUB_TOKEN }}
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fetch-depth: 0
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- name: Setup Nix
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uses: DeterminateSystems/nix-installer-action@v20
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- name: Configure git
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run: |
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git config --global user.email "opencode@sst.dev"
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git config --global user.name "opencode"
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- name: Update node_modules hash
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run: |
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set -euo pipefail
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nix/scripts/update-hashes.sh
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- name: Commit hash changes
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env:
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TARGET_BRANCH: ${{ github.head_ref || github.ref_name }}
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run: |
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set -euo pipefail
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summarize() {
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local status="$1"
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{
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echo "### Nix Hash Update"
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echo ""
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echo "- ref: ${GITHUB_REF_NAME}"
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echo "- status: ${status}"
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} >> "$GITHUB_STEP_SUMMARY"
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if [ -n "${GITHUB_SERVER_URL:-}" ] && [ -n "${GITHUB_REPOSITORY:-}" ] && [ -n "${GITHUB_RUN_ID:-}" ]; then
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echo "- run: ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}" >> "$GITHUB_STEP_SUMMARY"
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fi
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echo "" >> "$GITHUB_STEP_SUMMARY"
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}
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FILES=(flake.nix nix/node-modules.nix nix/hashes.json)
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STATUS="$(git status --short -- "${FILES[@]}" || true)"
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if [ -z "$STATUS" ]; then
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summarize "no changes"
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echo "No changes to tracked Nix files. Hashes are already up to date."
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exit 0
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fi
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git add "${FILES[@]}"
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git commit -m "Update Nix hashes"
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BRANCH="${TARGET_BRANCH:-${GITHUB_REF_NAME}}"
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git push origin HEAD:"$BRANCH"
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summarize "committed $(git rev-parse --short HEAD)"

‎.gitignore‎

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.turbo
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**/.serena
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.serena/
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/result
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refs
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Session.vim
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opencode.json

‎README.md‎

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@@ -28,9 +28,10 @@ curl -fsSL https://opencode.ai/install | bash
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npm i -g opencode-ai@latest # or bun/pnpm/yarn
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scoop bucket add extras; scoop install extras/opencode # Windows
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choco install opencode # Windows
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brew install opencode # macOS and Linux
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brew install opencode # macOS and Linux
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paru -S opencode-bin # Arch Linux
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mise use --pin -g ubi:sst/opencode # Any OS
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nix run nixpkgs#opencode # or github:sst/opencode for latest dev branch
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```
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> [!TIP]

‎flake.lock‎

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‎flake.nix‎

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{
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description = "OpenCode development flake";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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};
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outputs =
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{
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nixpkgs,
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...
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}:
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let
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systems = [
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"aarch64-linux"
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"x86_64-linux"
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"aarch64-darwin"
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"x86_64-darwin"
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];
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lib = nixpkgs.lib;
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forEachSystem = lib.genAttrs systems;
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pkgsFor = system: nixpkgs.legacyPackages.${system};
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packageJson = builtins.fromJSON (builtins.readFile ./packages/opencode/package.json);
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bunTarget = {
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"aarch64-linux" = "bun-linux-arm64";
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"x86_64-linux" = "bun-linux-x64";
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"aarch64-darwin" = "bun-darwin-arm64";
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"x86_64-darwin" = "bun-darwin-x64";
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};
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defaultNodeModules = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
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hashesFile = "${./nix}/hashes.json";
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hashesData =
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if builtins.pathExists hashesFile then builtins.fromJSON (builtins.readFile hashesFile) else { };
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nodeModulesHash = hashesData.nodeModules or defaultNodeModules;
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modelsDev = forEachSystem (
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system:
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let
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pkgs = pkgsFor system;
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in
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pkgs."models-dev"
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);
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in
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{
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devShells = forEachSystem (
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system:
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let
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pkgs = pkgsFor system;
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in
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{
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default = pkgs.mkShell {
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packages = with pkgs; [
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bun
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nodejs_20
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pkg-config
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openssl
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git
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];
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};
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}
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);
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packages = forEachSystem (
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system:
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let
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pkgs = pkgsFor system;
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mkNodeModules = pkgs.callPackage ./nix/node-modules.nix {
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hash = nodeModulesHash;
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};
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mkPackage = pkgs.callPackage ./nix/opencode.nix { };
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in
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{
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default = mkPackage {
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version = packageJson.version;
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src = ./.;
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scripts = ./nix/scripts;
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target = bunTarget.${system};
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modelsDev = "${modelsDev.${system}}/dist/_api.json";
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mkNodeModules = mkNodeModules;
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};
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}
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);
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apps = forEachSystem (
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system:
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let
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pkgs = pkgsFor system;
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in
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{
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opencode-dev = {
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type = "app";
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meta = {
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description = "Nix devshell shell for OpenCode";
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runtimeInputs = [ pkgs.bun ];
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};
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program = "${
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pkgs.writeShellApplication {
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name = "opencode-dev";
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text = ''
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exec bun run dev "$@"
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'';
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}
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}/bin/opencode-dev";
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};
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}
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);
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};
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}

‎nix/hashes.json‎

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{
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"nodeModules": "sha256-srbGIRjvpqUF+jWq4GAx7sGAasq02dRySnxTjijJJT8="
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}

‎nix/node-modules.nix‎

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{ hash, lib, stdenvNoCC, bun, cacert, curl }:
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args:
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stdenvNoCC.mkDerivation {
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pname = "opencode-node_modules";
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version = args.version;
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src = args.src;
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impureEnvVars =
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lib.fetchers.proxyImpureEnvVars
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++ [
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"GIT_PROXY_COMMAND"
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"SOCKS_SERVER"
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];
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nativeBuildInputs = [ bun cacert curl ];
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dontConfigure = true;
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buildPhase = ''
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runHook preBuild
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export HOME=$(mktemp -d)
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export BUN_INSTALL_CACHE_DIR=$(mktemp -d)
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bun install \
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--cpu="*" \
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--os="*" \
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--frozen-lockfile \
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--ignore-scripts \
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--no-progress \
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--linker=isolated
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bun --bun ${args.canonicalizeScript}
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bun --bun ${args.normalizeBinsScript}
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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mkdir -p $out
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while IFS= read -r dir; do
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rel="''${dir#./}"
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dest="$out/$rel"
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mkdir -p "$(dirname "$dest")"
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cp -R "$dir" "$dest"
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done < <(find . -type d -name node_modules -prune | sort)
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runHook postInstall
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'';
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dontFixup = true;
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outputHashAlgo = "sha256";
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outputHashMode = "recursive";
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outputHash = hash;
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}

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