cleanup

Resilient installation

__tests__/main.test.ts

@@ -1,4 +0,0 @@
-test('nothing', async() => {
-});
-
-// TODO: hopefully github actions will support integration tests

jest.config.js

@@ -1,11 +0,0 @@
-module.exports = {
-  clearMocks: true,
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  testRunner: 'jest-circus/runner',
-  transform: {
-    '^.+\\.ts$': 'ts-jest'
-  },
-  verbose: true
-}

lib/install-nix.sh

@@ -47,7 +47,15 @@ if [[ $INPUT_INSTALL_OPTIONS != "" ]]; then
 fi
 
 echo "installer options: ${installer_options[@]}"
-sh <(curl --retry 5 --retry-connrefused -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}") "${installer_options[@]}"
+
+# There is --retry-on-errors, but only newer curl versions support that
+until curl -o /tmp/install -v --fail --retry 5 --retry-connrefused -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}" 
+do
+  sleep 1
+done
+
+chmod +x /tmp/install
+sh /tmp/install "${installer_options[@]}"
 
 if [[ $OSTYPE =~ darwin ]]; then
   # macOS needs certificates hints