installer: export include path

Author: rumblefrog

lib/installer.js

@@ -27,6 +27,7 @@ function installCompiler(range) {
             cache = yield downloadCompiler(version);
         }
         core_1.addPath(cache);
+        core_1.exportVariable('includePath', path_1.join(cache, 'include'));
         return version;
     });
 }

src/installer.ts

@@ -1,5 +1,5 @@
 import { find as findCache, downloadTool, extractTar, extractZip, cacheDir } from '@actions/tool-cache';
-import { addPath } from '@actions/core';
+import { addPath, exportVariable } from '@actions/core';
 import { maxSatisfying } from 'semver';
 import { join as pathJoin } from 'path';
 import { getVersions } from './utils/scraper';
@@ -22,6 +22,7 @@ export async function installCompiler(range: string): Promise<string> {
     }
 
     addPath(cache);
+    exportVariable('includePath', pathJoin(cache, 'include'));
 
     return version;
 }