Detect target automatically

This removes the potential for a bad build because the native Node
modules currently can only be built on the target system, so specifying
a target for something other than the system your are building on will
not work.

Author: code-asher

scripts/ci.bash

@@ -26,7 +26,7 @@ function docker-build() {
 
 	function docker-exec() {
 		local command="${1}" ; shift
-		local args="'${vscodeVersion}' '${codeServerVersion}' '${target}'"
+		local args="'${vscodeVersion}' '${codeServerVersion}'"
 		docker exec "${containerId}" \
 			bash -c "cd /src && CI=true GITHUB_TOKEN=${token} MINIFY=${minify} yarn ${command} ${args}"
 	}

scripts/tasks.bash

@@ -212,7 +212,7 @@ function in-vscode () {
 	if [[ ! -f "${maybeVsCode}/package.json" ]] ; then
 		return 1
 	fi
-	if ! grep '"name": "code-oss-dev"' "${maybeVsCode}/package.json" --quiet ; then
+	if ! grep '"name": "code-oss-dev"' "${maybeVsCode}/package.json" -q ; then
 		return 1
 	fi
 	return 0
@@ -264,17 +264,24 @@ function main() {
 	local codeServerVersion="${1}" ; shift
 	local ci="${CI:-}"
 	local minify="${MINIFY:-}"
+
 	local arch
 	arch=$(uname -m)
-	local target="${1:-}"
-	if [[ -z "${target}" ]] ; then
-		local ostype="${OSTYPE:-}"
-		if [[ "${ostype}" == "darwin"* ]] ; then
-			target="darwin"
-		else
-			target="linux"
+
+	local target="linux"
+	local ostype="${OSTYPE:-}"
+	if [[ "${ostype}" == "darwin"* ]] ; then
+		target="darwin"
+	else
+		# On Alpine there seems no way to get the version except to use an invalid
+		# command which will output the version to stderr and exit with 1.
+		local output
+		output=$(ldd --version 2>&1 || :)
+		if [[ "${output}" == "musl"* ]] ; then
+			target="alpine"
 		fi
 	fi
+
 	local binaryName="code-server${codeServerVersion}-vsc${vscodeVersion}-${target}-${arch}"
 	local buildPath="${stagingPath}/${binaryName}-built"
 

src/update.ts

@@ -124,11 +124,11 @@ export class UpdateService extends AbstractUpdateService {
 	private async buildReleaseName(release: string): Promise<string> {
 		let target: string = os.platform();
 		if (target === "linux") {
-			const result = await util.promisify(cp.exec)("ldd --version");
-			if (result.stderr) {
-				throw new Error(result.stderr);
-			}
-			if (result.stdout.indexOf("musl") !== -1) {
+			const result = await util.promisify(cp.exec)("ldd --version").catch((error) => ({
+				stderr: error.message,
+				stdout: "",
+			}));
+			if (result.stderr.indexOf("musl") !== -1 || result.stdout.indexOf("musl") !== -1) {
 				target = "alpine";
 			}
 		}