preserve quotes for set input fields

.github/workflows/ci.yml

@@ -244,3 +244,24 @@ jobs:
         working-directory: ${{ env.DESTDIR }}
         run: |
           cat sbom.spdx.json | jq
+
+  set:
+    runs-on: ubuntu-latest
+    services:
+      registry:
+        image: registry:2
+        ports:
+          - 5000:5000
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Build
+        uses: ./
+        with:
+          workdir: ./test/go
+          set: |
+            *.platform=linux/amd64
+            *.output=type=image,"name=localhost:5000/name/app:v1.0.0,localhost:5000/name/app:latest",push=true
+            *.tags=

__tests__/context.test.ts

@@ -265,6 +265,26 @@ describe('getArgs', () => {
         "--provenance", 'builder-id=foo'
       ]
     ],
+    [
+      9,
+      '0.10.0',
+      new Map<string, string>([
+        ['load', 'false'],
+        ['no-cache', 'false'],
+        ['push', 'false'],
+        ['pull', 'false'],
+        ['set', `*.platform=linux/amd64,linux/ppc64le,linux/s390x\n*.output=type=image,"name=moby/buildkit:v0.11.0,moby/buildkit:latest",push=true`],
+        ['targets', `"image-all"`],
+      ]),
+      [
+        'bake',
+        '--set', '*.platform=linux/amd64,linux/ppc64le,linux/s390x',
+        '--set', `*.output=type=image,"name=moby/buildkit:v0.11.0,moby/buildkit:latest",push=true`,
+        '--metadata-file', path.join(tmpDir, 'metadata-file'),
+        '--provenance', `mode=min,inline-only=true,builder-id=https://github.com/docker/build-push-action/actions/runs/123456789`,
+        'image-all'
+      ]
+    ],
   ])(
     '[%d] given %p with %p as inputs, returns %p',
     async (num: number, buildxVersion: string, inputs: Map<string, string>, expected: Array<string>) => {

src/context.ts

@@ -32,7 +32,7 @@ export async function getInputs(): Promise<Inputs> {
     provenance: BuildxInputs.getProvenanceInput('provenance'),
     push: core.getBooleanInput('push'),
     sbom: core.getInput('sbom'),
-    set: Util.getInputList('set', {ignoreComma: true}),
+    set: Util.getInputList('set', {ignoreComma: true, quote: false}),
     source: core.getInput('source')
   };
 }