Fix Ctrl-C handling in Windows NPM shim (#483)

CHANGELOG.md

@@ -34,6 +34,7 @@ Bugfixes:
 - Fix dynamic libraries compatibility problems by publishing a statically linked executable for Linux (#427, #437)
 - `--clear-screen` (usable e.g. with `spago build --watch`) now also resets cursor position, so the rebuild message always appears at top left of the screen (#465)
 - Fix `--config` option when config file is in another directory (#484)
+- Fix Ctrl-C handling in REPL when using NPM installation on Windows (#493, #483)
 
 Other improvements:
 - Speed up test suite by replacing couple of end 2 end bump-version tests with unit/property tests

npm/spago

@@ -1,6 +1,13 @@
 #!/usr/bin/env node
+// This file is only used on Windows. In *nix NPM installations it's replaced
+// with the actual spago binary.
+
 const cp = require("child_process");
 
+// Ignore SIGINT (Ctrl-C) because we don't want to terminate this process from
+// it (#483). Spago.exe will handle it for us
+process.on('SIGINT', () => {});
+
 const spago = cp.spawn(__dirname + '/spago.exe', process.argv.slice(2), {stdio: 'inherit'});
 spago.on('error', (err) => {
     console.log("Downloading the spago binary failed. Please try reinstalling the spago npm package.");