Merge pull request #70 from Cyberbeni/sourcekit-fix

Export LINUX_SOURCEKIT_LIB_PATH on Linux

.github/workflows/test.yml

@@ -26,9 +26,11 @@ jobs:
       uses: ./
       with:
         url: https://github.com/realm/SwiftLint
-        version: '^0'
+        version: '*'
+        use-cache: ${{ runner.os == 'Linux' }}
     - name: Test tools in path
       run: |
-        which swiftformat
-        which xcbeautify
-        which swiftlint
+        echo "class Test {}" > ./test.swift
+        swiftformat --lint ./test.swift
+        xcbeautify --version
+        swiftlint lint ./test.swift

src/environment_fixer.ts

@@ -0,0 +1,35 @@
+import * as core from '@actions/core'
+import * as fs from 'fs'
+import * as os from 'os'
+import { env } from 'process'
+
+export class SwiftEnvironmentFixer {
+  static async fixSourceKitPath () {
+    const envVar = 'LINUX_SOURCEKIT_LIB_PATH'
+    if(env[envVar] != undefined) {
+      return
+    }
+    await core.group(`Setting ${envVar}`, async () => {
+      let exported = false
+      const libName = 'libsourcekitdInProc.so'
+      const possiblePaths = ['/usr/share/swift/usr/lib', '/usr/lib']
+      for (const path of possiblePaths) {
+        if (fs.existsSync(`${path}/${libName}`)) {
+          core.info(`Setting to: '${path}'`)
+          core.exportVariable(envVar, path)
+          exported = true
+          break
+        }
+      }
+      if (!exported) {
+        core.warning(`Failed to find suitable path for ${envVar}`)
+      }
+    })
+  }
+
+  static async fixAll() {
+    if (os.platform() == 'linux') {
+      await this.fixSourceKitPath()
+    }
+  }
+}

src/main.ts

@@ -1,4 +1,5 @@
 import * as core from '@actions/core'
+import { SwiftEnvironmentFixer } from './environment_fixer'
 import { SwiftToolInstaller } from './installer'
 
 // Inputs
@@ -12,6 +13,7 @@ const useCache: boolean = core.getInput('use-cache') == 'true'
 
 async function main(): Promise<void> {
   await SwiftToolInstaller.install(url, branch, version, useCache)
+  await SwiftEnvironmentFixer.fixAll()
 }
 
-main().catch(error => { core.setFailed(error.message); })
+main().catch(error => { core.setFailed(error.message) })

types/environment_fixer.d.ts

@@ -0,0 +1,4 @@
+export declare class SwiftEnvironmentFixer {
+    static fixSourceKitPath(): Promise<void>;
+    static fixAll(): Promise<void>;
+}