Correctly set the executable name

Author: unfunco

README.md

@@ -11,17 +11,20 @@ in the [Jsonnet] language.
 ## Getting started
 
 When specifying `tanka-version` the `v` prefix can be omitted, additionally,
-the patch number is not required if it is equal to zero.
+the patch number is not required if it is equal to zero. The versions `v0.16.0`,
+`0.16.0`, `v0.16`, and `0.16` are all valid and all refer to the same semantic
+version of Tanka.
 
 ### Inputs
 
-| Name            | Default    | Description            |
-| --------------- | :--------: | ---------------------- |
-| `tanka-version` | `"0.16.0"` | Grafana Tanka version. |
+| Name            | Default     | Description            |
+| --------------- | :---------: | ---------------------- |
+| `tanka-version` | `"v0.16.0"` | Grafana Tanka version. |
 
 ### Example usage
 
-The following workflow uses the action to apply a production configuration.
+The following example workflow uses the setup-tanka action to automatically
+apply resources to a production environment.
 
 ```yaml
 name: Deploy

__tests__/setup-tanka.test.ts

@@ -79,16 +79,16 @@ describe('GitHub Actions × Grafana Tanka', () => {
     ['win32', 'amd64', 'tk-windows-amd64.exe'],
     ['win32', 'x64', 'tk-windows-amd64.exe'],
   ])(
-    'installs the correct binary for %s/%s',
-    async (platform, arch, binary) => {
+    'installs the correct executable for %s/%s',
+    async (platform, arch, exe) => {
       os.platform = platform;
       os.arch = arch;
 
       downloadToolSpy.mockImplementation(() => '/temp');
       await tanka.install('0.16.0');
 
       expect(downloadToolSpy).toHaveBeenCalledWith(
-        `https://github.com/grafana/tanka/releases/download/v0.16.0/${binary}`,
+        `https://github.com/grafana/tanka/releases/download/v0.16.0/${exe}`,
         undefined
       );
     }

dist/index.js

@@ -128,12 +128,12 @@ const os = __importStar(__nccwpck_require__(87));
 function install(version) {
     return __awaiter(this, void 0, void 0, function* () {
         const semanticVersion = formatVersion(version);
-        const executableName = getExecutableName();
-        const tkDownloadUrl = `https://github.com/grafana/tanka/releases/download/${semanticVersion}/${executableName}`;
+        const exeDownloadName = getExeDownloadName();
+        const tkDownloadUrl = `https://github.com/grafana/tanka/releases/download/${semanticVersion}/${exeDownloadName}`;
         core.info(`Download Grafana Tanka ${semanticVersion} from ${tkDownloadUrl}`);
         const tkDownload = yield tc.downloadTool(tkDownloadUrl, undefined);
         const tkDownloadPath = path_1.default.basename(tkDownload);
-        const tk = path_1.default.join(tkDownloadPath, 'tk');
+        const tk = path_1.default.join(tkDownloadPath, getExeName());
         core.debug(`Move ${tkDownload} to ${tk}`);
         yield io.mv(tkDownload, tk);
         core.debug(`Make ${tk} executable`);
@@ -143,7 +143,13 @@ function install(version) {
     });
 }
 exports.install = install;
-function getExecutableName() {
+function getExeName() {
+    if (os.platform().toString() === 'win32') {
+        return 'tk.exe';
+    }
+    return 'tk';
+}
+function getExeDownloadName() {
     let arch = os.arch();
     let ext = '';
     let platform = os.platform().toString();

src/tanka.ts

@@ -22,14 +22,14 @@ import * as os from 'os';
 
 export async function install(version: string): Promise<void> {
   const semanticVersion = formatVersion(version);
-  const executableName = getExecutableName();
-  const tkDownloadUrl = `https://github.com/grafana/tanka/releases/download/${semanticVersion}/${executableName}`;
+  const exeDownloadName = getExeDownloadName();
+  const tkDownloadUrl = `https://github.com/grafana/tanka/releases/download/${semanticVersion}/${exeDownloadName}`;
 
   core.info(`Download Grafana Tanka ${semanticVersion} from ${tkDownloadUrl}`);
   const tkDownload = await tc.downloadTool(tkDownloadUrl, undefined);
 
   const tkDownloadPath = path.basename(tkDownload);
-  const tk = path.join(tkDownloadPath, 'tk');
+  const tk = path.join(tkDownloadPath, getExeName());
 
   core.debug(`Move ${tkDownload} to ${tk}`);
   await io.mv(tkDownload, tk);
@@ -41,7 +41,15 @@ export async function install(version: string): Promise<void> {
   core.addPath(tkDownloadPath);
 }
 
-function getExecutableName(): string {
+function getExeName(): string {
+  if (os.platform().toString() === 'win32') {
+    return 'tk.exe';
+  }
+
+  return 'tk';
+}
+
+function getExeDownloadName(): string {
   let arch = os.arch();
   let ext = '';
   let platform = os.platform().toString();