feat: add native Android/Termux binary support (#887)

feat: added android support for running with termux

Adds GOOS=android arm64 build to goreleaser and platform detection in npm postinstall.

Tested by contributor on Termux where os.platform() returns 'android' and Linux binaries fail due to bionic vs glibc.

.goreleaser.yml

@@ -43,6 +43,22 @@ builds:
       - -X main.Commit={{.Commit}}
       - -X main.Branch={{.Branch}}
 
+  - id: bd-android-arm64
+    main: ./cmd/bd
+    binary: bd
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - android
+    goarch:
+      - arm64
+    ldflags:
+      - -s -w
+      - -X main.Version={{.Version}}
+      - -X main.Build={{.ShortCommit}}
+      - -X main.Commit={{.Commit}}
+      - -X main.Branch={{.Branch}}
+
   - id: bd-darwin-amd64
     main: ./cmd/bd
     binary: bd
@@ -184,8 +200,8 @@ release:
   name_template: "v{{.Version}}"
   header: |
     ## beads v{{.Version}}
-    
-    Pre-compiled binaries for Linux, macOS (Intel & Apple Silicon), Windows (AMD64 & ARM64), and FreeBSD.
+
+    Pre-compiled binaries for Linux, macOS (Intel & Apple Silicon), Windows (AMD64 & ARM64), Android/Termux (ARM64), and FreeBSD.
     
     ### Installation
     

npm-package/package.json

@@ -39,7 +39,8 @@
   "os": [
     "darwin",
     "linux",
-    "win32"
+    "win32",
+    "android"
   ],
   "cpu": [
     "x64",

npm-package/scripts/postinstall.js

@@ -27,6 +27,9 @@ function getPlatformInfo() {
     case 'linux':
       platformName = 'linux';
       break;
+    case 'android':
+      platformName = 'android';
+      break;
     case 'win32':
       platformName = 'windows';
       binaryName = 'bd.exe';
@@ -109,7 +112,7 @@ function extractTarGz(tarGzPath, destDir, binaryName) {
       throw new Error(`Binary not found after extraction: ${extractedBinary}`);
     }
 
-    // Make executable on Unix-like systems
+    // Make executable on Unix-like systems (Linux, macOS, Android)
     if (os.platform() !== 'win32') {
       fs.chmodSync(extractedBinary, 0o755);
     }
@@ -177,16 +180,8 @@ async function install() {
 
     console.log(`Installing bd v${VERSION} for ${platformName}-${archName}...`);
 
-    // Construct download URL
-    // Format: https://github.com/steveyegge/beads/releases/download/v0.21.5/beads_0.21.5_darwin_amd64.tar.gz
-    const releaseVersion = VERSION;
-    const archiveExt = platformName === 'windows' ? 'zip' : 'tar.gz';
-    const archiveName = `beads_${releaseVersion}_${platformName}_${archName}.${archiveExt}`;
-    const downloadUrl = `https://github.com/steveyegge/beads/releases/download/v${releaseVersion}/${archiveName}`;
-
     // Determine destination paths
     const binDir = path.join(__dirname, '..', 'bin');
-    const archivePath = path.join(binDir, archiveName);
     const binaryPath = path.join(binDir, binaryName);
 
     // Ensure bin directory exists
@@ -194,6 +189,14 @@ async function install() {
       fs.mkdirSync(binDir, { recursive: true });
     }
 
+    // Construct download URL
+    // Format: https://github.com/steveyegge/beads/releases/download/v0.21.5/beads_0.21.5_darwin_amd64.tar.gz
+    const releaseVersion = VERSION;
+    const archiveExt = platformName === 'windows' ? 'zip' : 'tar.gz';
+    const archiveName = `beads_${releaseVersion}_${platformName}_${archName}.${archiveExt}`;
+    const downloadUrl = `https://github.com/steveyegge/beads/releases/download/v${releaseVersion}/${archiveName}`;
+    const archivePath = path.join(binDir, archiveName);
+
     // Download the archive
     console.log(`Downloading bd binary...`);
     await downloadFile(downloadUrl, archivePath);
@@ -213,7 +216,7 @@ async function install() {
       const output = execSync(`"${binaryPath}" version`, { encoding: 'utf8' });
       console.log(`✓ bd installed successfully: ${output.trim()}`);
     } catch (err) {
-      console.warn('Warning: Could not verify binary version');
+      throw new Error(`Binary verification failed: ${err.message}`);
     }
 
   } catch (err) {

npm-package/test/integration.test.js

@@ -371,6 +371,7 @@ async function testPlatformDetection() {
     const supportedPlatforms = {
       darwin: ['x64', 'arm64'],
       linux: ['x64', 'arm64'],
+      android: ['x64', 'arm64'],
       win32: ['x64', 'arm64']
     };