Merge pull request #432 from Andne/use-stderr

Error output and logviewer improvements

build

@@ -96,6 +96,7 @@ readonly RUN_ARGS="$@"
 	echo "    --show-subtargets          - show list of subtargets for selected '--mode'"
 	echo "    --short-output             - reduce output by not printing skipped subtargets"
 	echo "    --logviewer-command        - use this command for the log viewer"
+	echo "    --wait-for-logviewer       - wait until after logviewer completes, e.g. for echo"
 	echo "  available Python versions: 2, 3"
 	echo "  available clang versions: 3.4, git"
 	echo "  available gcc versions:"
@@ -277,6 +278,7 @@ while [[ $# > 0 ]]; do
 		--debug-upload) DEBUG_UPLOAD=yes ;;
 		--short-output) SHORT_OUTPUT=yes ;;
 		--logviewer-command=*) LOGVIEWER=${1/--logviewer-command=/} ;;
+		--wait-for-logviewer) LOGVIEWER_WAIT=yes ;;
 		*)
 			die "bad command line: \"$1\". terminate."
 		;;

library/config.sh

@@ -182,6 +182,7 @@ echo "done"
 # **************************************************************************
 
 LOGVIEWER=
+LOGVIEWER_WAIT=no
 
 func_find_logviewer \
 	LOGVIEWERS[@] \

library/functions.sh

@@ -96,13 +96,20 @@ function die {
 	# $2 - exit code
 	local _retcode=1
 	[[ -n $2 ]] && _retcode=$2
-	echo $1
+	echo
+	>&2 echo $1
 	exit $_retcode
 }
 
 function func_show_log {
 	# $1 - log file
-	[[ $SHOW_LOG_ON_ERROR == yes ]] && $LOGVIEWER $1 &
+	[[ $SHOW_LOG_ON_ERROR == yes ]] && {
+		[[ $LOGVIEWER_WAIT == yes ]] && {
+			$LOGVIEWER $1
+		} || {
+			$LOGVIEWER $1 &
+		}
+	}
 }
 
 # **************************************************************************