Handle install directories using tool-cache (#46)

* Make test builds more verbose

* Handle install directories using tool-cache

* Bump version to 1.3.0-DEV

.github/workflows/example-builds-nightly.yml

@@ -33,4 +33,5 @@ jobs:
         with:
           version: nightly
           arch: ${{ matrix.julia-arch }}
+          show-versioninfo: 'true'
       - run: julia --version

.github/workflows/example-builds.yml

@@ -26,8 +26,10 @@ jobs:
           npm run pack
 
       - name: "Set up Julia"
+        id: setup-julia
         uses: ./
         with:
           version: ${{ matrix.julia-version }}
           arch: ${{ matrix.julia-arch }}
+          show-versioninfo: 'true'
       - run: julia --version

action.yml

@@ -13,6 +13,9 @@ inputs:
     description: 'Display InteractiveUtils.versioninfo() after installing'
     required: false
     default: 'false'
+outputs:
+  julia-bindir:
+    description: 'Path to the directory containing the Julia executable. Equivalent to JULIA_BINDIR: https://docs.julialang.org/en/v1/manual/environment-variables/#JULIA_BINDIR'
 runs:
   using: 'node12'
   main: 'dist/index.js'

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-julia",
-  "version": "1.2.2",
+  "version": "1.3.0-DEV",
   "private": true,
   "description": "setup Julia action",
   "main": "lib/setup-julia.js",

src/installer.ts

@@ -2,6 +2,7 @@ import * as core from '@actions/core'
 import * as exec from '@actions/exec'
 import * as tc from '@actions/tool-cache'
 
+import * as fs from 'fs'
 import * as os from 'os'
 import * as path from 'path'
 
@@ -102,27 +103,26 @@ export async function installJulia(version: string, arch: string): Promise<strin
     core.debug(`downloading Julia from ${downloadURL}`)
     const juliaDownloadPath = await tc.downloadTool(downloadURL)
 
+    const tempInstallDir = fs.mkdtempSync(`julia-${arch}-${version}-`)
+
     // Install it
     switch (osPlat) {
         case 'linux':
             // tc.extractTar doesn't support stripping components, so we have to call tar manually
-            await exec.exec('mkdir', [`${process.env.HOME}/julia`])
-            await exec.exec('tar', ['xf', juliaDownloadPath, '--strip-components=1', '-C', `${process.env.HOME}/julia`])
-            return `${process.env.HOME}/julia`
+            await exec.exec('tar', ['xf', juliaDownloadPath, '--strip-components=1', '-C', tempInstallDir])
+            return tempInstallDir
         case 'win32':
-            const juliaInstallationPath = path.join('C:', 'Julia')
             if (version == 'nightly' || semver.gtr(version, '1.3', {includePrerelease: true})) {
                 // The installer changed in 1.4: https://github.com/JuliaLang/julia/blob/ef0c9108b12f3ae177c51037934351ffa703b0b5/NEWS.md#build-system-changes
-                await exec.exec('powershell', ['-Command', `Start-Process -FilePath ${juliaDownloadPath} -ArgumentList "/SILENT /dir=${juliaInstallationPath}" -NoNewWindow -Wait`])
+                await exec.exec('powershell', ['-Command', `Start-Process -FilePath ${juliaDownloadPath} -ArgumentList "/SILENT /dir=${path.join(process.cwd(), tempInstallDir)}" -NoNewWindow -Wait`])
             } else {
-                await exec.exec('powershell', ['-Command', `Start-Process -FilePath ${juliaDownloadPath} -ArgumentList "/S /D=${juliaInstallationPath}" -NoNewWindow -Wait`])
+                await exec.exec('powershell', ['-Command', `Start-Process -FilePath ${juliaDownloadPath} -ArgumentList "/S /D=${path.join(process.cwd(), tempInstallDir)}" -NoNewWindow -Wait`])
             }
-            return juliaInstallationPath
+            return tempInstallDir
         case 'darwin':
             await exec.exec('hdiutil', ['attach', juliaDownloadPath])
-            await exec.exec('mkdir', [`${process.env.HOME}/julia`])
-            await exec.exec('/bin/bash', ['-c', `cp -a /Volumes/Julia-*/Julia-*.app/Contents/Resources/julia ${process.env.HOME}`])
-            return `${process.env.HOME}/julia`
+            await exec.exec('/bin/bash', ['-c', `cp -a /Volumes/Julia-*/Julia-*.app/Contents/Resources/julia ${tempInstallDir}`])
+            return path.join(tempInstallDir, 'julia')
         default:
             throw new Error(`Platform ${osPlat} is not supported`)
     }

src/setup-julia.ts

@@ -2,6 +2,7 @@ import * as core from '@actions/core'
 import * as exec from '@actions/exec'
 import * as tc from '@actions/tool-cache'
 
+import * as fs from 'fs'
 import * as https from 'https'
 import * as path from 'path'
 
@@ -58,12 +59,18 @@ async function run() {
             // Add it to cache
             juliaPath = await tc.cacheDir(juliaInstallationPath, 'julia', version, arch)
             core.debug(`added Julia to cache: ${juliaPath}`)
+
+            // Remove temporary dir
+            fs.rmdirSync(juliaInstallationPath, {recursive: true})
         } else {
             core.debug(`using cached version of Julia: ${juliaPath}`)
         }
 
         // Add it to PATH
         core.addPath(path.join(juliaPath, 'bin'))
+
+        // Set output
+        core.setOutput('julia-bindir', path.join(juliaPath, 'bin'))
 
         // Test if Julia has been installed
         exec.exec('julia', ['--version'])