feat: get linux version from os-release file if available (#594)

packages/tool-cache/__tests__/manifest.test.ts

@@ -116,7 +116,7 @@ describe('@actions/tool-cache-manifest', () => {
     expect(file?.filename).toBe('sometool-1.2.3-linux-x64.tar.gz')
   })
 
-  it('can match with linux platform version spec', async () => {
+  it('can match with linux platform version spec from lsb-release', async () => {
     os.platform = 'linux'
     os.arch = 'x64'
 
@@ -150,6 +150,48 @@ describe('@actions/tool-cache-manifest', () => {
     expect(file?.filename).toBe('sometool-1.2.4-ubuntu1804-x64.tar.gz')
   })
 
+  it('can match with linux platform version spec from os-release', async () => {
+    os.platform = 'linux'
+    os.arch = 'x64'
+
+    readLsbSpy.mockImplementation(() => {
+      return `NAME="Ubuntu"
+        VERSION="18.04.5 LTS (Bionic Beaver)"
+        ID=ubuntu
+        ID_LIKE=debian
+        PRETTY_NAME="Ubuntu 18.04.5 LTS"
+        VERSION_ID="18.04"
+        HOME_URL="https://www.ubuntu.com/"
+        SUPPORT_URL="https://help.ubuntu.com/"
+        BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
+        PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
+        VERSION_CODENAME=bionic
+        UBUNTU_CODENAME=bionic`
+    })
+
+    const manifest: mm.IToolRelease[] | null = await tc.getManifestFromRepo(
+      owner,
+      repo,
+      fakeToken
+    )
+    const release: tc.IToolRelease | undefined = await tc.findFromManifest(
+      '1.2.4',
+      true,
+      manifest
+    )
+    expect(release).toBeDefined()
+    expect(release?.version).toBe('1.2.4')
+    expect(release?.files.length).toBe(1)
+    const file = release?.files[0]
+    expect(file).toBeDefined()
+    expect(file?.arch).toBe('x64')
+    expect(file?.platform).toBe('linux')
+    expect(file?.download_url).toBe(
+      'https://github.com/actions/sometool/releases/tag/1.2.4-20200402.6/sometool-1.2.4-ubuntu1804-x64.tar.gz'
+    )
+    expect(file?.filename).toBe('sometool-1.2.4-ubuntu1804-x64.tar.gz')
+  })
+
   it('can match with darwin platform version spec', async () => {
     os.platform = 'darwin'
     os.arch = 'x64'

packages/tool-cache/src/manifest.ts

@@ -135,8 +135,15 @@ export function _getOsVersion(): string {
       const lines = lsbContents.split('\n')
       for (const line of lines) {
         const parts = line.split('=')
-        if (parts.length === 2 && parts[0].trim() === 'DISTRIB_RELEASE') {
+        if (
-          version = parts[1].trim()
+          parts.length === 2 &&
+          (parts[0].trim() === 'VERSION_ID' ||
+            parts[0].trim() === 'DISTRIB_RELEASE')
+        ) {
+          version = parts[1]
+            .trim()
+            .replace(/^"/, '')
+            .replace(/"$/, '')
           break
         }
       }
@@ -147,11 +154,14 @@ export function _getOsVersion(): string {
 }
 
 export function _readLinuxVersionFile(): string {
-  const lsbFile = '/etc/lsb-release'
+  const lsbReleaseFile = '/etc/lsb-release'
+  const osReleaseFile = '/etc/os-release'
   let contents = ''
 
-  if (fs.existsSync(lsbFile)) {
+  if (fs.existsSync(lsbReleaseFile)) {
-    contents = fs.readFileSync(lsbFile).toString()
+    contents = fs.readFileSync(lsbReleaseFile).toString()
+  } else if (fs.existsSync(osReleaseFile)) {
+    contents = fs.readFileSync(osReleaseFile).toString()
   }
 
   return contents