From 1f5242bac286d88a7ff9026a785653a3335fc999 Mon Sep 17 00:00:00 2001
From: Christopher Vogt <oss.nsp@cvogt.org>
Date: Sun, 6 Mar 2016 22:12:05 -0500
Subject: refactored and improved nailgun code in bash script. Should be easier
 to debug now. Doesn't wait endlessly.

---
 cbt | 61 ++++++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 44 insertions(+), 17 deletions(-)

(limited to 'cbt')

diff --git a/cbt b/cbt
index f66d2b8..d4d51f3 100755
--- a/cbt
+++ b/cbt
@@ -85,9 +85,29 @@ export TARGET=target/scala-2.11/classes/
 mkdir -p $NAILGUN$TARGET
 mkdir -p $STAGE1$TARGET
 
+nailgun_out=$NAILGUN/target/nailgun.stdout.log
+nailgun_err=$NAILGUN/target/nailgun.strerr.log
+foo(){
+	while test $# -gt 0; do
+	    case "$1" in
+	    	"-Dlog=nailgun")
+				nailgun_out=/dev/stderr
+				nailgun_err=/dev/stderr
+	    	;;
+	    	"-Dlog=all")
+				nailgun_out=/dev/stderr
+				nailgun_err=/dev/stderr
+	    	;;
+	    esac
+	    shift
+	done
+}
+
+foo $@
+
 if [ "$1" = "kill" ]; then
 	echo "Stopping nailgun" 1>&2
-	$NG ng-stop >> $NAILGUN/target/nailgun.stdout.log 2>> $NAILGUN/target/nailgun.stderr.log & 
+	$NG ng-stop >> $nailgun_out 2>> $nailgun_err &
 	exit 1
 fi
 
@@ -104,10 +124,15 @@ else
 	echo "(Note: nc not found. It will make slightly startup faster.)" 1>&2
 fi
 
-if [ $nc_installed -eq 0 ] || [ ! $server_up -eq 0 ]; then
+use_nailgun=0
+if [ $nailgun_installed -eq 1 ] || [ "$1" = "publishSigned" ] || [ "$2" = "publishSigned" ] || [ "$1" = "direct" ] || [ "$2" = "direct" ]; then
+	use_nailgun=1
+fi
+
+if [ $use_nailgun -eq 0 ] && [ ! $server_up -eq 0 ]; then
 	log "Starting up nailgun server." $*
 	# try to start nailgun-server, just in case it's not up
-	ng-server 127.0.0.1:$NAILGUN_PORT >> $NAILGUN/target/nailgun.stdout.log 2>> $NAILGUN/target/nailgun.stderr.log & 
+	ng-server 127.0.0.1:$NAILGUN_PORT >> $nailgun_out 2>> $nailgun_err &
 fi
 
 log "Downloading Scala jars if necessary..." $*
@@ -135,12 +160,12 @@ stage1 () {
 		echo "Compiling cbt/nailgun_launcher" 1>&2
 		javac -Xlint:deprecation -d $NAILGUN$TARGET `ls $NAILGUN*.java`
 		compiles=$?
-		if [ $compiles -ne 0 ]; then exit 1; fi
-		if [ $nailgun_installed -eq 0 ]; then
+		if [ $compiles -ne 0 ]; then break; fi
+		if [ $use_nailgun -eq 0 ]; then
 			echo "Stopping nailgun" 1>&2
-			$NG ng-stop >> $NAILGUN/target/nailgun.stdout.log 2>> $NAILGUN/target/nailgun.stderr.log & 
+			$NG ng-stop >> $nailgun_out 2>> $nailgun_err &
 			echo "Restarting nailgun" 1>&2
-			ng-server 127.0.0.1:$NAILGUN_PORT >> $NAILGUN/target/nailgun.stdout.log 2>> $NAILGUN/target/nailgun.stderr.log &
+			ng-server 127.0.0.1:$NAILGUN_PORT >> $nailgun_out 2>> $nailgun_err &
 		fi
 	fi
 
@@ -157,7 +182,7 @@ stage1 () {
 		rm $STAGE1$TARGET/cbt/*.class 2>/dev/null
 		$SCALAC -cp $NAILGUN$TARGET -d $STAGE1$TARGET `ls $STAGE1/*.scala`
 		compiles2=$?
-		if [ $compiles2 -ne 0 ]; then exit 1; fi
+		if [ $compiles2 -ne 0 ]; then break; fi
 	fi
 
 	log "run CBT and loop if desired. This allows recompiling CBT itself as part of compile looping." $*
@@ -168,27 +193,29 @@ stage1 () {
 	fi
 
 	CP=$STAGE1$TARGET:$SCALA_CLASSPATH
-	if [ $nailgun_installed -eq 1 ] || [ "$1" = "publishSigned" ] || [ "$2" = "publishSigned" ] || [ "$1" = "direct" ] || [ "$2" = "direct" ]
+	if [ $use_nailgun -eq 1 ]
 	then
 		log "Running JVM directly" $*
 		# -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=localhost:5005
 		java -cp $NAILGUN$TARGET cbt.NailgunLauncher $mainClass $CP "$CWD" $*
 	else
 		log "Running via nailgun." $*
-		while true; do
+		for i in 0 1 2 3 4 5 6 7 8 9; do
 			log "Adding classpath." $*
-			$NG ng-cp $NAILGUN$TARGET >> $NAILGUN/target/nailgun.stdout.log 2>> $NAILGUN/target/nailgun.stderr.log
+			$NG ng-cp $NAILGUN$TARGET >> $nailgun_out 2>> $nailgun_err
 			log "Checking if nailgun is up yet." $*
-			$NG cbt.NailgunLauncher cbt.CheckAlive $CP "$CWD" $* >> $NAILGUN/target/nailgun.stdout.log 2>> $NAILGUN/target/nailgun.stderr.log
+			$NG cbt.NailgunLauncher cbt.CheckAlive $CP "$CWD" $* >> $nailgun_out 2>> $nailgun_err
 			alive=$?
-			if [[ $alive -eq 131 ]]; then
+			if [ $alive -eq 131 ]; then
 				echo "Nailgun call failed. Try 'cbt kill' and check the error log cbt/nailgun_launcher/target/nailgun.stderr.log" 1>&2
-			elif [[ $alive -eq 33 ]]; then
+			elif [ $alive -eq 33 ]; then
 				break
 			else
-				log "Nope. Sleeping for 1 second" $*
-				echo "Waiting for nailgun to start..." 1>&2
-				sleep 1
+				log "Nope. Sleeping for 0.5 seconds" $*
+				if [ "$i" -gt "1" ]; then
+					echo "Waiting for nailgun to start... (For problems try -Dlog=nailgun or check logs in cbt/nailgun_launcher/target/*.log)" 1>&2
+				fi
+				sleep 0.5
 			fi
 		done
 		log "Running $mainClass via Nailgun." $*
-- 
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