Use a wrapper script to make sure things still get printed while kcov is runing, to keep travis from bailing

Author: apendleton

.travis.yml

@@ -24,11 +24,11 @@ matrix:
       before_install:
       - sudo add-apt-repository ppa:sivakov512/kcov -y
       - sudo apt-get update -q
-      - sudo apt-get install kcov
+      - sudo apt-get install kcov nodejs
 
       script: |
         cargo install cargo-kcov -f
-        cargo kcov -v
+        node keepalive.js cargo kcov -v
         bash <(curl -s https://codecov.io/bash)
 
     - language: node_js

keepalive.js

@@ -0,0 +1,15 @@
+const { spawn } = require('child_process');
+
+const toRun = process.argv.slice(2);
+if (toRun.length) {
+    const cmd = toRun[0];
+    const args = toRun.slice(1);
+
+    const proc = spawn(cmd, args);
+
+    proc.stdout.on('data', (data) => process.stdout.write(data));
+    proc.stderr.on('data', (data) => process.stderr.write(data));
+    proc.on('close', (code) => process.exit(code));
+
+    setInterval(() => console.log('Still running...'), 30000);
+}