Add release CI

.github/workflows/build.yml

@@ -77,12 +77,9 @@ jobs:
 
       - run: opam exec -- opam install . --deps-only --with-test
       - run: opam exec -- dune build --verbose
-      - if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: odiff-${{ matrix.artifact }}.exe
-          path: _build/default/bin/ODiffBin.exe
-          retention-days: 14
+
+      - name: Give binary system-specific name
+        run: cp "_build/default/bin/ODiffBin.exe" "odiff-${{ matrix.artifact }}.exe"
 
       - run: opam exec -- dune exec ODiffBin -- --version 
       - run: opam exec -- dune runtest
@@ -102,6 +99,32 @@ jobs:
 
       - name: Install node deps
         run: npm ci
-
       - name: e2e test
         run: npm test
+
+      - if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          if-no-files-found: ignore
+          name: odiff-${{ matrix.artifact }}.exe
+          path: odiff-${{ matrix.artifact }}.exe
+          retention-days: 14
+
+  publish:
+    name: Publish release
+    needs: [build]
+    # if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Download built binaries
+        uses: actions/download-artifact@v4
+        with:
+          pattern: odiff-*.exe
+          merge-multiple: true
+          destination-path: npm_package/raw_binaries
+
+      - run: tree npm_package
+

npm_package/post_install.js

@@ -0,0 +1,36 @@
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+
+const binaries = {
+  'linux-x64': 'odiff-linux-x64.exe',
+  'darwin-arm64': 'odiff-macos-arm64.exe',
+  'darwin-x64': 'odiff-macos-x64.exe',
+  'win32-x64': 'odiff-windows-x64.exe',
+};
+
+const platform = os.platform();
+const arch = os.arch();
+
+let binaryKey = `${platform}-${arch}`;
+if (platform === 'win32' && arch === 'x64') {
+  binaryKey = 'win32-x64';
+}
+
+const binaryFile = binaries[binaryKey];
+
+if (!binaryFile) {
+  console.error(`odiff: Sorry your platform or architecture is not supported. Here is a list of supported binaries: ${Object.keys(binaries).join(', ')}`);
+  process.exit(1);
+}
+
+const sourcePath = path.join(__dirname, 'raw_binaries', binaryFile);
+const destPath = path.join(__dirname, 'bin', 'odiff');
+
+try {
+  fs.copyFileSync(sourcePath, destPath);
+  fs.chmodSync(destPath, 0o755);
+} catch (err) {
+  console.error(`odiff: failed to copy and link the binary file: ${err}`);
+  process.exit(1);
+}

release.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -eou pipefail
+
+VERSION="$1"
+if ! git diff --quiet; then
+  echo "Error: There are unstaged changes in the repository."
+  exit 1
+fi
+
+sed -i '' "s/(version [^)]*)/(version $VERSION)/g" dune-project
+dune build 
+
+sed -i "s/\"version\": \"[^\"]*\"/\"version\": \"$VERSION\"/g" package.json
+npm install
+