Cache musl setup in GitHub tool-cache.

src/features.ts

@@ -2,46 +2,51 @@ import * as core from '@actions/core'
 import * as tc from '@actions/tool-cache'
 import {IS_LINUX} from './constants'
 import {exec} from '@actions/exec'
-import {homedir} from 'os'
 import {join} from 'path'
-import {mkdirP} from '@actions/io'
+
+const MUSL_NAME = 'x86_64-linux-musl-native'
+const MUSL_VERSION = '10.2.1'
 
 export async function setUpNativeImageMusl(): Promise<void> {
   if (!IS_LINUX) {
     core.warning('musl is only supported on Linux')
     return
   }
-  core.startGroup(`Setting up musl for GraalVM Native Image...`)
-  const basePath = join(homedir(), '.musl_feature')
-  await mkdirP(basePath)
+  let toolPath = tc.find(MUSL_NAME, MUSL_VERSION)
+  if (toolPath) {
+    core.info(`Found ${MUSL_NAME} ${MUSL_VERSION} in tool-cache @ ${toolPath}`)
+  } else {
+    core.startGroup(`Setting up musl for GraalVM Native Image...`)
+    const muslDownloadPath = await tc.downloadTool(
+      `http://more.musl.cc/10/x86_64-linux-musl/${MUSL_NAME}.tgz`
+    )
+    const muslExtractPath = await tc.extractTar(muslDownloadPath)
+    const muslPath = join(muslExtractPath, MUSL_NAME)
 
-  const muslName = 'x86_64-linux-musl-native'
-  const muslDownloadPath = await tc.downloadTool(
-    `http://more.musl.cc/10/x86_64-linux-musl/${muslName}.tgz`
-  )
-  await tc.extractTar(muslDownloadPath, basePath)
-  const muslPath = join(basePath, muslName)
-  core.addPath(join(muslPath, 'bin'))
-
-  const zlibVersion = '1.2.11'
-  const zlibDownloadPath = await tc.downloadTool(
-    `https://zlib.net/zlib-${zlibVersion}.tar.gz`
-  )
-  await tc.extractTar(zlibDownloadPath, basePath)
-  const zlibPath = join(basePath, `zlib-${zlibVersion}`)
-  const zlibBuildOptions = {
-    cwd: zlibPath,
-    env: {
-      ...process.env,
-      CC: join(muslPath, 'bin', 'gcc')
+    const zlibVersion = '1.2.11'
+    const zlibDownloadPath = await tc.downloadTool(
+      `https://zlib.net/zlib-${zlibVersion}.tar.gz`
+    )
+    const zlibExtractPath = await tc.extractTar(zlibDownloadPath)
+    const zlibPath = join(zlibExtractPath, `zlib-${zlibVersion}`)
+    const zlibBuildOptions = {
+      cwd: zlibPath,
+      env: {
+        ...process.env,
+        CC: join(muslPath, 'bin', 'gcc')
+      }
     }
+    await exec(
+      './configure',
+      [`--prefix=${muslPath}`, '--static'],
+      zlibBuildOptions
+    )
+    await exec('make', [], zlibBuildOptions)
+    await exec('make', ['install'], {cwd: zlibPath})
+
+    core.info(`Adding ${MUSL_NAME} ${MUSL_VERSION} to tool-cache ...`)
+    toolPath = await tc.cacheDir(muslPath, MUSL_NAME, MUSL_VERSION)
+    core.endGroup()
   }
-  await exec(
-    './configure',
-    [`--prefix=${muslPath}`, '--static'],
-    zlibBuildOptions
-  )
-  await exec('make', [], zlibBuildOptions)
-  await exec('make', ['install'], {cwd: zlibPath})
-  core.endGroup()
+  core.addPath(join(toolPath, 'bin'))
 }