fix: disable vp CLI caching and add force-install test matrix

.github/workflows/test.yml

@@ -13,7 +13,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
+        force-install: [false, true]
     runs-on: ${{ matrix.os }}
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -32,7 +35,10 @@ jobs:
       fail-fast: false
       matrix:
         node-version: ["22", "24"]
+        force-install: [false, true]
     runs-on: ubuntu-latest
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -54,7 +60,13 @@ jobs:
           echo "$ACTUAL" | grep -q "^v${{ matrix.node-version }}\." || (echo "Expected Node.js v${{ matrix.node-version }}.x but got $ACTUAL" && exit 1)
 
   test-cache-pnpm:
+    strategy:
+      fail-fast: false
+      matrix:
+        force-install: [false, true]
     runs-on: ubuntu-latest
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -80,7 +92,13 @@ jobs:
           echo "Cache hit: ${{ steps.setup.outputs.cache-hit }}"
 
   test-cache-npm:
+    strategy:
+      fail-fast: false
+      matrix:
+        force-install: [false, true]
     runs-on: ubuntu-latest
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -106,7 +124,13 @@ jobs:
           echo "Cache hit: ${{ steps.setup.outputs.cache-hit }}"
 
   test-cache-yarn:
+    strategy:
+      fail-fast: false
+      matrix:
+        force-install: [false, true]
     runs-on: ubuntu-latest
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -136,7 +160,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
+        force-install: [false, true]
     runs-on: ${{ matrix.os }}
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -150,16 +177,15 @@ jobs:
       - name: Verify vp exec works
         run: vp exec node -e "console.log('vp exec works')"
 
-      - name: Verify vp run works (list available scripts)
-        run: vp run --list
-        continue-on-error: true
-
   test-vp-install-and-exec:
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
+        force-install: [false, true]
     runs-on: ${{ matrix.os }}
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -187,7 +213,13 @@ jobs:
         run: vp run hello
 
   test-registry-url:
+    strategy:
+      fail-fast: false
+      matrix:
+        force-install: [false, true]
     runs-on: ubuntu-latest
+    env:
+      SETUP_VP_FORCE_INSTALL: ${{ matrix.force-install }}
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 

src/cache-vp.test.ts

@@ -83,7 +83,9 @@ describe("resolveVersion", () => {
   });
 });
 
-describe("restoreVpCache", () => {
+// FIXME: Re-enable these tests after vp CLI caching is re-enabled.
+// Caching is temporarily disabled due to Windows `Cannot find module 'which'` issue (#10).
+describe.skip("restoreVpCache", () => {
   beforeEach(() => {
     vi.stubEnv("RUNNER_OS", "Linux");
     vi.stubEnv("HOME", "/home/runner");
@@ -145,7 +147,9 @@ describe("restoreVpCache", () => {
   });
 });
 
-describe("saveVpCache", () => {
+// FIXME: Re-enable these tests after vp CLI caching is re-enabled.
+// Caching is temporarily disabled due to Windows `Cannot find module 'which'` issue (#10).
+describe.skip("saveVpCache", () => {
   beforeEach(() => {
     vi.stubEnv("HOME", "/home/runner");
   });

src/cache-vp.ts

@@ -32,6 +32,11 @@ export async function resolveVersion(versionInput: string): Promise<string | und
 }
 
 export async function restoreVpCache(version: string, nodeVersion: string): Promise<boolean> {
+  // FIXME: Re-enable vp CLI caching after the new version of vite-plus is released
+  // that fixes the Windows `Cannot find module 'which'` issue (#10).
+  info("Vp CLI caching is temporarily disabled");
+  return false;
+
   const vpHome = getVitePlusHome();
   const runnerOS = process.env.RUNNER_OS || platform();
   const runnerArch = arch();
@@ -56,6 +61,11 @@ export async function restoreVpCache(version: string, nodeVersion: string): Prom
 }
 
 export async function saveVpCache(): Promise<void> {
+  // FIXME: Re-enable vp CLI caching after the new version of vite-plus is released
+  // that fixes the Windows `Cannot find module 'which'` issue (#10).
+  info("Vp CLI caching is temporarily disabled, skipping save");
+  return;
+
   const primaryKey = getState(State.VpCachePrimaryKey);
   const matchedKey = getState(State.VpCacheMatchedKey);
 

src/install-viteplus.ts

@@ -6,8 +6,8 @@ import { DISPLAY_NAME } from "./types.js";
 import { resolveVersion, restoreVpCache } from "./cache-vp.js";
 import { getVitePlusHome } from "./utils.js";
 
-const INSTALL_URL_SH = "https://staging.viteplus.dev/install.sh";
-const INSTALL_URL_PS1 = "https://staging.viteplus.dev/install.ps1";
+const INSTALL_URL_SH = "https://viteplus.dev/install.sh";
+const INSTALL_URL_PS1 = "https://viteplus.dev/install.ps1";
 
 export async function installVitePlus(inputs: Inputs, nodeVersion: string): Promise<void> {
   const { version } = inputs;