1 files changed, 58 insertions, 0 deletions
diff --git a/debian/buildwatch.sh b/debian/buildwatch.sh
new file mode 100644
index 0000000..1747dae
--- /dev/null
+++ b/debian/buildwatch.sh
@@ -0,0 +1,58 @@
+#! /bin/sh
+
+#
+# Output something to stdout every so often so buildd won't kill
+# the build when building 
+#
+
+builddir=$1
+
+echo $$ > buildwatch.pid
+
+time_unit="m"
+timer=0
+sleep_for=3
+time_up_at=180
+upd_every=30 # use a multiple of $sleep_for
+
+reset_timer() { timer=0; }
+inc_timer()   { timer=$(expr $timer + $sleep_for); }
+time_up()     { [ $timer -ge $time_up_at ]; }
+can_update()  { [ $(expr $timer % $upd_every) -eq 0 ]; }
+do_sleep()    { sleep ${sleep_for}${time_unit} && inc_timer; }
+
+is_running() { 
+    ps x | grep -v grep | egrep -qs $@
+    return $?
+}
+
+while ! time_up; do
+    if [ ! -f buildwatch.pid ]; then
+        echo "[$0] pidfile removed" && break
+    fi
+    if ! is_running '/make'; then
+        echo "[$0] no make process detected (build done?)" && break
+    fi
+
+    do_sleep
+    can_update || continue
+
+    new_noisy=$(ls -l test/jtreg_output-* 2>&1 | md5sum)
+    new_quiet=$(ls -l $builddir/openjdk*/build/*/tmp/rt-orig.jar $builddir/openjdk*/build/*/lib/tools.jar $builddir/openjdk*/build/*/lib/ct.sym 2>&1 | md5sum)
+    if [ -n "$old_noisy" -a "$old_noisy" != "$new_noisy" ]; then
+        # jtreg updated test files, so it should be updating stdout in its own
+	# keep quiet and restart timer
+        reset_timer
+    elif [ -n "$old_quiet" -a "$old_quiet" != "$new_quiet" ]; then
+        reset_timer
+        echo "[$0] assembling jar file ..."
+    elif is_running '/cc1|jar|java|gij'; then
+        echo "[$0] compiler/java/jar running ..."
+        reset_timer
+    fi
+    old_noisy=$new_noisy
+    old_quiet=$new_quiet
+done
+
+echo "[$0] exiting"
+rm -f buildwatch.pid