Add metadata output

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

src/state-helper.ts

@@ -0,0 +1,12 @@
+import * as core from '@actions/core';
+
+export const IsPost = !!process.env['STATE_isPost'];
+export const tmpDir = process.env['STATE_tmpDir'] || '';
+
+export function setTmpDir(tmpDir: string) {
+  core.saveState('tmpDir', tmpDir);
+}
+
+if (!IsPost) {
+  core.saveState('isPost', 'true');
+}