Fix: Action (#5)

* Added `sync` CLI command

* Added delay of 1 second before running the installer

* Output `rustup --help` command

.github/workflows/ci.yml

@@ -62,4 +62,4 @@ jobs:
 
       - name: Print Output
         id: output
-        run: echo "${{ steps.test-action.outputs.installation }}"
+        run: rustup --help

__tests__/toolchain_install.test.ts

@@ -104,7 +104,9 @@ describe('install_toolchain', () => {
       'rustup.sh'
     )
 
-    expect(mockedExec).toHaveBeenCalledWith('chmod a+x ./rustup.sh')
+    expect(mockedExec).toHaveBeenCalledWith('chmod +x ./rustup.sh')
+
+    expect(mockedExec).toHaveBeenCalledWith('sync')
 
     expect(mockedExec).toHaveBeenCalledWith('./rustup.sh', [
       '-v',

src/toolchain.ts

@@ -1,6 +1,6 @@
 import * as exec from '@actions/exec'
 import { Platform, Properties } from './types'
-import { download_file } from './utils'
+import { delay, download_file } from './utils'
 
 /**
  * Installs specified Rust Toolchain
@@ -61,9 +61,15 @@ async function download_rust(
       await download_file(new URL('https://sh.rustup.rs'), 'rustup.sh')
 
       // Give Execute Permission to script
-      await exec.exec('chmod a+x ./rustup.sh')
+      await exec.exec('chmod +x ./rustup.sh')
+
+      // Ensure the file system is synced
+      await exec.exec('sync')
     }
 
+    // Sleep for 1 second i.e. 1000ms
+    await delay(1000)
+
     // Install rust
     await exec.exec(
       `${platform.isWindows ? './rustup-init.exe' : './rustup.sh'}`,

src/utils.ts

@@ -42,3 +42,15 @@ export async function download_file(
       throw err
     })
 }
+
+/**
+ * Sleeps for the said amount of time (in ms)
+ *
+ * @export
+ * @async
+ * @param {number} ms Time in milliseconds for the delay
+ * @returns {void}
+ */
+export async function delay(ms: number): Promise<void> {
+  return new Promise(resolve => setTimeout(resolve, ms))
+}