Add retry when fetching the shell script

.github/workflows/tests.yml

@@ -34,27 +34,28 @@ jobs:
         shell: pwsh
         run: |
           Get-Command wasmer
-          Get-Command wapm
-          Get-Command wax
 
       # Verify Wasmer runs
       - name: Verify Wasmer runs
         run: |
-            wapm config set registry.url "https://registry.wapm.io"
-            mkdir test-dir
-            cd test-dir
-            wapm install robert/[email protected]
-            wasmer run -- './wapm_packages/robert/[email protected]/echo.wasm' "${{ env.ECHO_STRING }}" > output.txt
+            wasmer run https://wasmer.io/robert/[email protected] -- "${{ env.ECHO_STRING }}" > output.txt
             grep "${{ env.ECHO_STRING }}" output.txt
 
   test-versions:
-    name: Test version on ${{ matrix.os }}
+    name: Test v${{ matrix.version }} on ${{ matrix.os }}
     strategy:
       matrix:
         os:
           - macos-latest
           - ubuntu-latest
           - windows-latest
+        version:
+          - 3.2.0
+          - 3.3.0
+          - 4.0.0
+          - 4.1.0
+          - 4.2.0
+          - 4.2.5
     runs-on: ${{ matrix.os }}
     steps:
       # Checkout source code
@@ -65,29 +66,22 @@ jobs:
       - name: Setup Wasmer
         uses: ./
         with:
-          version: "v3.0.0-rc.2"
+          version: v${{ matrix.version }}
 
-      # Verify Wasmer is installed
       - name: Verify Wasmer is installed
         shell: pwsh
         run: |
           Get-Command wasmer
-          Get-Command wapm
-          Get-Command wax
 
       # Verify Wasmer version is correct
       - name: Verify Wasmer version is correct
         uses: MeilCli/[email protected]
         with:
           command: wasmer --version
-          expect_contain: "wasmer 3.0.0-rc.2"
+          expect_contain: ${{ matrix.version }}
 
       # Verify Wasmer runs
       - name: Verify Wasmer runs
         run: |
-            wapm config set registry.url "https://registry.wapm.io"
-            mkdir test-dir
-            cd test-dir
-            wapm install robert/[email protected]
-            wasmer run -- './wapm_packages/robert/[email protected]/echo.wasm' "${{ env.ECHO_STRING }}" > output.txt
+            wasmer run robert/[email protected] -- "${{ env.ECHO_STRING }}" > output.txt
             grep "${{ env.ECHO_STRING }}" output.txt

README.md

@@ -1,7 +1,7 @@
 # Setup Wasmer Action
 [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/wasmerio/setup-wasmer/Tests?label=Tests&style=flat-square)](https://github.com/wasmerio/setup-wasmer/actions/workflows/tests.yml)
 
-[GitHub action](https://github.com/features/actions) for setting up [Wasmer](https://wasmer.io). Works well with [wasmerio/wapm-publish](https://github.com/wasmerio/wapm-publish).
+[GitHub action](https://github.com/features/actions) for setting up [Wasmer](https://wasmer.io).
 
 ## Features
 * Always uses the latest stable Wasmer build

src/index.ts

@@ -39,14 +39,36 @@ const main = async () =>
     const percent = Math.round(data.percent * 100);
 
     //Log
-    info(`Downloaded ${transferred}K out of ${total}K (${percent}%)`);
+    if (!Number.isNaN(transferred) && !Number.isNaN(total) && !Number.isNaN(percent)) {
+      info(`Downloaded ${transferred}K out of ${total}K (${percent}%)`);
+    }
   };
-  await pipeline(
-    got.stream(isWindows ? 'https://win.wasmer.io' : 'https://get.wasmer.io').on('downloadProgress', progressHandler),
-    createWriteStream(tmp, {
-      mode: 0o655
-    })
-  );
+  const url = isWindows ? 'https://win.wasmer.io' : 'https://get.wasmer.io';
+  let retryAttempts = 0;
+  const maxRetryAttempts = 10;
+
+  while (retryAttempts < maxRetryAttempts) {
+    try {
+      await pipeline(
+        got.stream(url).on('downloadProgress', progressHandler),
+        createWriteStream(tmp, {
+          mode: 0o655
+        })
+      );
+      console.log('Downloaded installer.');
+      break;
+    }
+    catch (error) {
+      retryAttempts++;
+      // exponential backoff with jitter
+      const backoff = Math.pow(2, retryAttempts) + Math.random();
+      console.log(`Failed to download installer. Retrying in ${backoff} seconds.`);
+      await new Promise(resolve => setTimeout(resolve, backoff * 1000));
+      if (retryAttempts >= maxRetryAttempts) {
+        throw new Error(`Failed to download installer after ${retryAttempts} attempts.\nLast error: ${error}`);
+      }
+    }
+  }
   endGroup();
 
   info('Downloaded installer.');
@@ -92,4 +114,4 @@ const main = async () =>
 main().catch(error =>
 {
   throw error;
-});
+});