test: don't check pnpx

This is a breaking change because the binary version of pnpm
is only available from v6.17.1

close #18

.github/workflows/test.yaml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         pnpm:
-          - 4.11.1
+          - 6.17.1
         os:
           - ubuntu-latest
           - macos-latest
@@ -27,10 +27,10 @@ jobs:
       - name: Run the action
         uses: ./
         with:
-          version: 4.11.1
+          version: 6.17.1
 
       - name: 'Test: which'
-        run: which pnpm; which pnpx
+        run: which pnpm
 
       - name: 'Test: install'
         run: pnpm install
@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         pnpm:
-          - 4.11.1
+          - 6.17.1
         os:
           - ubuntu-latest
           - macos-latest
@@ -56,11 +56,11 @@ jobs:
       - name: Run the action
         uses: ./
         with:
-          version: 4.11.1
+          version: 6.17.1
           dest: ~/test/pnpm
 
       - name: 'Test: which'
-        run: which pnpm && which pnpx
+        run: which pnpm
 
       - name: 'Test: install'
         run: pnpm install
@@ -74,7 +74,7 @@ jobs:
       fail-fast: false
       matrix:
         pnpm:
-          - 4.11.1
+          - 6.17.1
         os:
           - ubuntu-latest
           - macos-latest
@@ -112,11 +112,11 @@ jobs:
       - name: Run the action
         uses: ./
         with:
-          version: 4.11.1
+          version: 6.17.1
           run_install: ${{ matrix.run_install.value }}
 
       - name: 'Test: which'
-        run: which pnpm; which pnpx
+        run: which pnpm
 
       - name: 'Test: install'
         run: pnpm install

src/install-pnpm/run.ts

@@ -8,7 +8,7 @@ import { Inputs } from '../inputs'
 
 export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   const { version, dest } = inputs
-  const target = version ? `pnpm@${version}` : 'pnpm'
+  const target = version ? `@pnpm/exe@${version}` : '@pnpm/exe'
   const pkgJson = path.join(dest, 'package.json')
 
   await remove(dest)
@@ -20,7 +20,7 @@ export async function runSelfInstaller(inputs: Inputs): Promise<number> {
     stdio: ['pipe', 'inherit', 'inherit'],
   })
 
-  const response = await fetch('https://pnpm.io/pnpm.js')
+  const response = await fetch('https://get.pnpm.io/v6.16.js')
   response.body.pipe(cp.stdin)
 
   const exitCode = await new Promise<number>((resolve, reject) => {