add first clean up work

Signed-off-by: jylenhof <jygithub@lenhof.eu.org>

src/clean-pip.ts

@@ -0,0 +1,18 @@
+import * as core from '@actions/core';
+import {exec} from '@actions/exec';
+
+// Shared helper to uninstall all pip packages in the current environment.
+export async function cleanPipPackages() {
+  core.info('Cleaning up pip packages');
+  try {
+    // uninstall all currently installed packages (if any)
+    // Use a shell so we can pipe the output of pip freeze into xargs
+    await exec('bash', [
+      '-c',
+      'python -m pip freeze | xargs python -m pip uninstall'
+    ]);
+    core.info('Successfully cleaned up pip packages');
+  } catch (error) {
+    core.setFailed(`Failed to clean up pip packages.`);
+  }
+}