fix: add setupBin function and use it inside setupCmake

src/cmake/cmake.ts

@@ -1,21 +1,8 @@
-import { extractZip, extractTar, find, downloadTool, cacheDir } from "@actions/tool-cache"
-import { getInput, addPath, group, startGroup, endGroup } from "@actions/core"
-import { join, basename } from "path"
-import { existsSync } from "fs"
+import { extractZip, extractTar } from "@actions/tool-cache"
+import { getInput } from "@actions/core"
 import semverLte from "semver/functions/lte"
 import semverCoerce from "semver/functions/coerce"
-import * as hasha from "hasha"
-import { tmpdir } from "os"
-import { URL } from "url"
-
-interface PackageInfo {
-  url: string
-  binRelativePath: string
-  extractFunction: {
-    (url: string, outputPath: string): Promise<string>
-  }
-  dropSuffix: string
-}
+import { setupBin, PackageInfo } from "../utils/setup/setup"
 
 /** Get the platform data for cmake */
 function getCmakePlatformData(version: string, platform?: NodeJS.Platform): PackageInfo {
@@ -32,7 +19,7 @@ function getCmakePlatformData(version: string, platform?: NodeJS.Platform): Pack
         osArchStr = isOld ? "win64-x64" : "windows-x86_64"
       }
       return {
-        binRelativePath: "bin/",
+        binRelativeDir: "bin/",
         dropSuffix: ".zip",
         extractFunction: extractZip,
         url: `https://github.com/Kitware/CMake/releases/download/v${version}/cmake-${version}-${osArchStr}.zip`,
@@ -42,7 +29,7 @@ function getCmakePlatformData(version: string, platform?: NodeJS.Platform): Pack
       const isOld = semverLte(semVersion, "v3.19.1")
       const osArchStr = isOld ? "Darwin-x86_64" : "macos-universal"
       return {
-        binRelativePath: "CMake.app/Contents/bin/",
+        binRelativeDir: "CMake.app/Contents/bin/",
         dropSuffix: ".tar.gz",
         extractFunction: extractTar,
         url: `https://github.com/Kitware/CMake/releases/download/v${version}/cmake-${version}-${osArchStr}.tar.gz`,
@@ -57,7 +44,7 @@ function getCmakePlatformData(version: string, platform?: NodeJS.Platform): Pack
         osArchStr = isOld ? "Linux-x86_64" : "linux-x86_64"
       }
       return {
-        binRelativePath: "bin/",
+        binRelativeDir: "bin/",
         dropSuffix: ".tar.gz",
         extractFunction: extractTar,
         url: `https://github.com/Kitware/CMake/releases/download/v${version}/cmake-${version}-${osArchStr}.tar.gz`,
@@ -69,44 +56,6 @@ function getCmakePlatformData(version: string, platform?: NodeJS.Platform): Pack
 }
 
 /** Setup cmake */
-export async function setupCmake(version: string): Promise<string> {
-  // Build artifact name
-  const cmakeBin = process.platform === "win32" ? "cmake.exe" : "cmake"
-
-  // Restore from cache (if found).
-  const cmakeDir = find("cmake", version)
-  if (cmakeDir) {
-    addPath(cmakeDir)
-    return join(cmakeDir, cmakeBin)
-  }
-
-  const { url, dropSuffix, binRelativePath: binPath, extractFunction } = getCmakePlatformData(version, process.platform)
-
-  // Get an unique output directory name from the URL.
-  const key: string = await hasha.async(url)
-  const finalDir = join(process.env.RUNNER_TEMP ?? tmpdir(), key)
-
-  const { pathname } = new URL(url)
-  const dirName = basename(pathname)
-  const finalPath = join(finalDir, dirName.replace(dropSuffix, ""), binPath)
-
-  const finalBinPath = join(finalPath, cmakeBin)
-
-  if (!existsSync(finalDir)) {
-    await group("Download and extract CMake", async () => {
-      const downloaded = await downloadTool(url)
-      await extractFunction(downloaded, finalDir)
-    })
-  }
-
-  try {
-    startGroup(`Add CMake to PATH`)
-    addPath(finalPath)
-  } finally {
-    endGroup()
-  }
-
-  await cacheDir(finalDir, "cmake", version)
-
-  return finalBinPath
+export function setupCmake(version: string): Promise<string> {
+  return setupBin("cmake", version, getCmakePlatformData)
 }

src/utils/setup/setup.ts

@@ -0,0 +1,63 @@
+import { find, downloadTool, cacheDir } from "@actions/tool-cache"
+import { addPath, group, startGroup, endGroup } from "@actions/core"
+import { join, basename } from "path"
+import { existsSync } from "fs"
+import * as hasha from "hasha"
+import { tmpdir } from "os"
+import { URL } from "url"
+
+export type PackageInfo = {
+  url: string
+  binRelativeDir: string
+  extractFunction: {
+    (url: string, outputPath: string): Promise<string>
+  }
+  dropSuffix: string
+}
+
+/** A function that downloads and installs a tool. Then it caches it in the tool-cache. */
+export async function setupBin(
+  name: string,
+  version: string,
+  getPlatformData: (version: string, platform: NodeJS.Platform) => PackageInfo
+): Promise<string> {
+  // Build artifact name
+  const binName = process.platform === "win32" ? `${name}.exe` : name
+
+  // Restore from cache (if found).
+  const dir = find(name, version)
+  if (dir) {
+    addPath(dir)
+    return join(dir, binName)
+  }
+
+  const { url, dropSuffix, binRelativeDir: binRelativePath, extractFunction } = getPlatformData(version, process.platform)
+
+  // Get an unique output directory name from the URL.
+  const key: string = await hasha.async(url)
+  const workDir = join(process.env.RUNNER_TEMP ?? tmpdir(), key)
+
+  const { pathname } = new URL(url)
+  const dirName = basename(pathname)
+
+  /** The directory which the tool is installed to */
+  const binDir = join(workDir, dirName.replace(dropSuffix, ""), binRelativePath)
+
+  if (!existsSync(workDir)) {
+    await group(`Download and extract ${name}`, async () => {
+      const downloaded = await downloadTool(url)
+      await extractFunction(downloaded, workDir)
+    })
+  }
+
+  try {
+    startGroup(`Add ${name} to PATH`)
+    addPath(binDir)
+  } finally {
+    endGroup()
+  }
+
+  await cacheDir(workDir, name, version)
+
+  return join(binDir, binName)
+}