support checksum (#218)

* support checksum

* support checksum

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* support checksum

* support checksum

* support checksum

* support checksum

* support checksum

* support checksum

* support checksum

.github/workflows/test.yml

@@ -67,10 +67,36 @@ jobs:
         with:
           cache_save: ${{ github.ref_name == 'main' }}
           cache_key_prefix: mise-v1
-          version: 2024.9.6
+          version: 2025.7.3
+          sha256: d38d4993c5379a680b50661f86287731dc1d1264777880a79b786403af337948
           install_args: bun
           mise_toml: |
             [tools]
             bun = "1"
       - run: which bun
       - run: bun -v
+
+  checksum_failure:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup mise
+        id: bad
+        uses: ./
+        with:
+          version: 2024.9.6
+          sha256: 1f0b8c3d2e4f5a6b7c8d9e0f1a2b3c4d5e6f7g8h9i0j1k2l3m4n5o6p7q8r9s0t
+        continue-on-error: true
+      - name: Dump steps context
+        if: ${{ always() }}
+        env:
+          STEPS_CONTEXT: ${{ toJson(steps) }}
+        run: echo "$STEPS_CONTEXT"
+      - name: expect failure
+        run: echo "Failed as expected"
+        if: ${{ steps.bad.outcome == 'failure' }}
+      - name: not failed as expected
+        run: |
+          echo "Expected failure but the job was ${{ steps.bad.outcome }}"
+          exit 1
+        if: ${{ steps.bad.outcome != 'failure' }}

action.yml

@@ -8,6 +8,9 @@ inputs:
   version:
     required: false
     description: The version of mise to use. If not specified, will use the latest release.
+  sha256:
+    required: false
+    description: The SHA256 checksum of the mise binary to verify the download.
   mise_dir:
     required: false
     description: |

dist/index.js

@@ -66695,6 +66695,16 @@ async function setupMise(version) {
                 break;
         }
     }
+    // compare with provided hash
+    const want = core.getInput('sha256');
+    if (want) {
+        const hash = crypto.createHash('sha256');
+        const fileBuffer = await fs.promises.readFile(miseBinPath);
+        const got = hash.update(fileBuffer).digest('hex');
+        if (got !== want) {
+            throw new Error(`SHA256 mismatch: expected ${want}, got ${got} for ${miseBinPath}`);
+        }
+    }
     core.addPath(miseBinDir);
 }
 async function zstdInstalled() {

src/index.ts

@@ -183,6 +183,19 @@ async function setupMise(version: string): Promise<void> {
         break
     }
   }
+  // compare with provided hash
+  const want = core.getInput('sha256')
+  if (want) {
+    const hash = crypto.createHash('sha256')
+    const fileBuffer = await fs.promises.readFile(miseBinPath)
+    const got = hash.update(fileBuffer).digest('hex')
+    if (got !== want) {
+      throw new Error(
+        `SHA256 mismatch: expected ${want}, got ${got} for ${miseBinPath}`
+      )
+    }
+  }
+
   core.addPath(miseBinDir)
 }