feat: added fallback windows installation without caching support

Author: soumyamahunt

.eslintrc.json

@@ -1,6 +1,6 @@
 {
   "plugins": ["jest", "@typescript-eslint"],
-  "extends": ["plugin:github/recommended"],
+  "extends": ["plugin:github/recommended","plugin:@typescript-eslint/recommended"],
   "parser": "@typescript-eslint/parser",
   "parserOptions": {
     "ecmaVersion": 9,

.github/workflows/main.yml

@@ -145,7 +145,6 @@ jobs:
     if: needs.ci.outputs.run == 'true'
     needs: ci
     runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.os == 'windows-latest' && matrix.swift == 'latest' }}
     concurrency:
       group: integration-test-${{ github.ref }}-${{ matrix.os }}-${{ matrix.swift }}-${{ matrix.development }}
       cancel-in-progress: true
@@ -172,7 +171,6 @@ jobs:
         - os: ubuntu-22.04
           swift: ${{ fromJSON(vars.SETUPSWIFT_CUSTOM_TOOLCHAINS).ubuntu2204 }}
           development: true
-          noverify: true
 
     steps:
     - name: Checkout repository
@@ -205,13 +203,17 @@ jobs:
         cache-snapshot: ${{ !matrix.development }}
 
     - name: Verify Swift version in macos
-      if: runner.os == 'macOS' && matrix.noverify != 'true'
+      if: runner.os == 'macOS'
       run: xcrun --toolchain ${{ env.TOOLCHAINS || '""' }} swift --version | grep ${{ steps.setup-swift.outputs.swift-version }} || exit 1
 
     - name: Verify Swift version
-      if: matrix.noverify != 'true'
       run: swift --version | grep ${{ steps.setup-swift.outputs.swift-version }} || exit 1
 
+    - name: Verify Swift REPL
+      if: runner.os == 'Windows'
+      shell: powershell
+      run: $env:SWIFTFLAGS
+
   dry-run:
     name: Check action with dry run
     if: needs.ci.outputs.run == 'true'
@@ -263,7 +265,6 @@ jobs:
     if: needs.ci.outputs.run == 'true'
     needs: ci
     runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.os == 'windows-latest' }}
     concurrency:
       group: e2e-test-${{ github.ref }}-${{ matrix.os }}
       cancel-in-progress: true

README.md

@@ -10,13 +10,13 @@
 [GitHub Action](https://github.com/features/actions) that will setup [Swift](https://swift.org) environment with specified version.
 This action supports the following functionalities:
 
-- Works on Linux, macOS and Windows(Swift 5.10 and after not supported on Windows).
+- Works on Linux, macOS and Windows.
 - Supports [installing latest major/minor/patch](#specifying-version).
 - Provides snapshots as soon as published in `swift.org`.
 - Verifies toolchain snapshots before installation (`gpg` for Linux and Windows, `pkgutil` for macOS) .
 - Allows development snapshots by enabling `development` flag and optional version.
 - Prefers existing Xcode installations.
-- Caches installed setup in tool cache.
+- Caches installed setup in tool cache and actions cache(Swift 5.10 and after does not support caching on Windows).
 - Allows fetching snapshot metadata without installation (can be used to setup docker images).
 
 ## Latest supported toolchains

__tests__/installer/windows.test.ts

@@ -188,7 +188,7 @@ describe('windows toolchain installation verification', () => {
     const setupSpy = jest
       .spyOn(VisualStudio, 'setup')
       .mockResolvedValue(visualStudio)
-    jest.spyOn(fs, 'access').mockImplementation(p => {
+    jest.spyOn(fs, 'access').mockImplementation(async p => {
       if (
         typeof p === 'string' &&
         (p.startsWith(path.join(cached, 'Developer')) ||