support arm64 arch

Makefile

@@ -7,18 +7,26 @@ GO=go
 .PHONY: all linux darwin windows
 all: linux darwin windows ## build all binaries
 
-linux: bin/goveralls_linux_amd64 ## build Linux binary
+linux: bin/goveralls_linux_amd64 bin/goveralls_linux_arm64 ## build Linux binary
 bin/goveralls_linux_amd64: go.mod go.sum
 	mkdir -p bin
 	GOOS=linux GOARCH=amd64 $(GO) build -o bin/goveralls_linux_amd64 github.com/mattn/goveralls
+bin/goveralls_linux_arm64: go.mod go.sum
+	mkdir -p bin
+	GOOS=linux GOARCH=arm64 $(GO) build -o bin/goveralls_linux_arm64 github.com/mattn/goveralls
 
-darwin: bin/goveralls_darwin_amd64 ## build macOS binary
+darwin: bin/goveralls_darwin_amd64 bin/goveralls_darwin_arm64 ## build macOS binary
 bin/goveralls_darwin_amd64: go.mod go.sum
 	mkdir -p bin
 	GOOS=darwin GOARCH=amd64 $(GO) build -o bin/goveralls_darwin_amd64 github.com/mattn/goveralls
+bin/goveralls_darwin_arm64: go.mod go.sum
+	mkdir -p bin
+	GOOS=darwin GOARCH=arm64 $(GO) build -o bin/goveralls_darwin_arm64 github.com/mattn/goveralls
 
-windows: bin/goveralls_windows_amd64.exe ## build windows binary
+windows: bin/goveralls_windows_amd64.exe bin/goveralls_windows_arm64.exe ## build windows binary
 bin/goveralls_windows_amd64.exe: go.mod go.sum
 	mkdir -p bin
 	GOOS=windows GOARCH=amd64 $(GO) build -o bin/goveralls_windows_amd64.exe github.com/mattn/goveralls
-
+bin/goveralls_windows_arm64.exe: go.mod go.sum
+	mkdir -p bin
+	GOOS=windows GOARCH=arm64 $(GO) build -o bin/goveralls_windows_arm64.exe github.com/mattn/goveralls

src/runner.ts

@@ -141,9 +141,33 @@ async function go_env(name: string): Promise<string> {
 }
 
 function get_goveralls_path(): string {
-  const name =
-    process.platform === "win32"
-      ? "goveralls_windows_amd64.exe"
-      : `goveralls_${process.platform}_amd64`;
-  return path.join(__dirname, "..", "bin", name);
+  let os: string;
+  let suffix: string = "";
+  switch (process.platform) {
+    case "win32":
+      os = "windows";
+      suffix = ".exe";
+      break;
+    case "darwin":
+      os = "darwin";
+      break;
+    case "linux":
+      os = "linux";
+      break;
+    default:
+      throw new Error(`unsupported OS: ${process.platform}`);
+  }
+
+  let arch: string;
+  switch (process.arch) {
+    case "x64":
+      arch = "amd64";
+      break;
+    case "arm64":
+      arch = "arm64";
+      break;
+    default:
+      throw new Error(`unsupported architecture: ${process.arch}`);
+  }
+  return path.join(__dirname, "..", "bin", `goveralls_${os}_${arch}${suffix}`);
 }