Restore uuid generation

.github/workflows/test-linux.yml

@@ -0,0 +1,27 @@
+name: "Test linux rebuild criteria"
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '16 6 * * *'
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-18.04, ubuntu-20.04]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        ref: linux-rebuild-testing
+    - name: Get swiftlint with exact version
+      uses: ./
+      with:
+        url: https://github.com/realm/SwiftLint
+        branch: '0.41.0'
+    - name: Test swiftlint
+      run: |
+        echo "class Test {}" > ./test.swift
+        swiftlint lint ./test.swift

src/helpers.ts

@@ -15,13 +15,13 @@ export async function exec(commandLine: string, args?: string[]): Promise<string
 }
 
 export async function getUuid(url: string, commitHash: string): Promise<string> {
-	const platform = os.platform()
 	let additionalInfo: string
-	if (platform == 'darwin') {
+	if (os.platform() == 'darwin') {
 		additionalInfo = `macos-${os.arch()}`
 	} else {
+		const osVersion = await exec('uname', ['-v'])
 		const swiftVersion = await exec('swift', ['-version'])
-		additionalInfo = `${platform}-${os.arch()}-${swiftVersion}`
+		additionalInfo = `${osVersion}-${os.arch()}-${swiftVersion}`
 	}
 	return _uuid(`${url}-${commitHash}-${additionalInfo}`, '6050636b-7499-41d4-b9c6-756aff9856d0')
 }