add keep alive thread

ci.hocon

@@ -59,8 +59,8 @@ pkgtest: ${common} ${java8Downloads} {
 }
 
 builds = [
-  ${gateTest}       {capabilities : [linux, amd64, gate],   name: "gate-test-linux-amd64"}
-  ${gateStyle}      {capabilities : [linux, amd64, gate],   name: "gate-style-linux-amd64"}
+#  ${gateTest}       {capabilities : [linux, amd64, gate],   name: "gate-test-linux-amd64"}
+#  ${gateStyle}      {capabilities : [linux, amd64, gate],   name: "gate-style-linux-amd64"}
 #  ${gateTest}       {capabilities : [linux, sparcv9, gate], name: "gate-test-linux-sparcv9"}
   ${pkgtest}        {capabilities : [linux, amd64, gate], name: "pkgtest-test-linux-amd64"}
 ]
\ No newline at end of file

com.oracle.truffle.r.test.cran/r/install.cran.packages.R

@@ -457,11 +457,10 @@ do.it <- function() {
 		cat("BEGIN package installation\n")
 		install.pkgs(test.pkgnames, blacklist)
 		cat("END package installation\n")
+
 		if (print.ok.installs) {
 			for (pkgname.i in names(install.status)) {
-				if (install.status[pkgname.i]) {
-					cat(pkgname.i, "\n")
-				}
+				cat(paste0(pkgname.i, ":"), ifelse(install.status[pkgname.i], "OK", "FAILED"), "\n")
 			}
 		}
 	}

mx.fastr/mx_fastr.py

@@ -28,6 +28,8 @@ import mx_gate
 import mx_fastr_pkgtest
 import os
 import shutil
+from threading import Thread
+import time
 
 '''
 This is the launchpad for all the functions available for building/running/testing/analyzing
@@ -314,11 +316,27 @@ def _test_harness_body(args, vmArgs):
         def __call__(self, data):
             self.data += data
 
+    class KeepAlive(Thread):
+        def __init__(self):
+            Thread.__init__(self)
+            self.setDaemon(True)
+            self.running = True
+
+        def run(self):
+            while self.running:
+                time.sleep(30);
+                print "keepalive"
+
     out = OutputCapture() if args.capture_output else None
+    t = KeepAlive() if args.capture_output else None
+    if t:
+        t.start();
 
     rc = _installpkgs(stacktrace_args + install_args, out=out, err=out)
     if args.capture_output:
         print out.data
+        t.running = False
+        t.join()
 
     shutil.rmtree(install_tmp, ignore_errors=True)
     return rc