Refactor GetRemoteOS

dev/ofunctions.sh

@@ -1,6 +1,6 @@
 #### MINIMAL-FUNCTION-SET BEGIN ####
 
-## FUNC_BUILD=2016111403
+## FUNC_BUILD=2016111404
 ## BEGIN Generic bash functions written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr
 
 ## To use in a program, define the following variables:
@@ -501,7 +501,7 @@ function LoadConfigFile {
 }
 
 function Spinner {
-	if [ $_SILENT == true ] || [ $_LOGGER_ERR_ONLY == true ]; then
+	if [ $_SILENT == true ] || [ "$_LOGGER_ERR_ONLY" == true ]; then
 		return 0
 	fi
 
@@ -915,8 +915,7 @@ function GetLocalOS {
 	local localOsVar
 
 	# There's no good way to tell if currently running in BusyBox shell. Using sluggish way.
-	ls --help 2>&1 | grep -i BusyBox > /dev/null
-	if [ $? == 0 ]; then
+	if ls --help 2>&1 | grep -i "BusyBox" > /dev/null; then
 		localOsVar="BusyBox"
 	else
 		localOsVar="$(uname -spio 2>&1)"
@@ -961,6 +960,73 @@ function GetLocalOS {
 function GetRemoteOS {
 	__CheckArguments 0 $# ${FUNCNAME[0]} "$@"	#__WITH_PARANOIA_DEBUG
 
+	local remoteOsVar
+
+$SSH_CMD bash -s << 'ENDSSH' >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1
+
+function GetOs {
+	local localOsVar
+
+	# There's no good way to tell if currently running in BusyBox shell. Using sluggish way.
+	if ls --help 2>&1 | grep -i "BusyBox" > /dev/null; then
+		localOsVar="BusyBox"
+	else
+		localOsVar="$(uname -spio 2>&1)"
+		if [ $? != 0 ]; then
+			localOsVar="$(uname -v 2>&1)"
+			if [ $? != 0 ]; then
+				localOsVar="$(uname)"
+			fi
+		fi
+	fi
+
+	echo "$localOsVar"
+}
+
+GetOs
+
+ENDSSH
+
+	if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
+		remoteOsVar=$(cat "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID")
+		case $remoteOsVar in
+			*"Linux"*)
+			REMOTE_OS="Linux"
+			;;
+			*"BSD"*)
+			REMOTE_OS="BSD"
+			;;
+			*"MINGW32"*|*"CYGWIN"*)
+			REMOTE_OS="msys"
+			;;
+			*"Darwin"*)
+			REMOTE_OS="MacOSX"
+			;;
+			*"BusyBox"*)
+			REMOTE_OS="BUSYBOX"
+			;;
+			*"ssh"*|*"SSH"*)
+			Logger "Cannot connect to remote system." "CRITICAL"
+			exit 1
+			;;
+			*)
+			if [ "$IGNORE_OS_TYPE" == "yes" ]; then		#DOC: Undocumented debug only setting
+				Logger "Running on unknown remote OS [$remoteOsVar]." "WARN"
+				return
+			fi
+			Logger "Running on remote OS failed. Please report to the author if the OS is not supported." "CRITICAL"
+			Logger "Remote OS said:\n$remoteOsVar" "CRITICAL"
+			exit 1
+		esac
+		Logger "Remote OS: [$remoteOsVar]." "DEBUG"
+	else
+		Logge "Cannot get Remote OS" "CRITICAL"
+	fi
+}
+
+function OldGetRemoteOS {
+	__CheckArguments 0 $# ${FUNCNAME[0]} "$@"	#__WITH_PARANOIA_DEBUG
+
 	local retval
 	local cmd
 	local remoteOsVar
@@ -969,7 +1035,7 @@ function GetRemoteOS {
 		CheckConnectivity3rdPartyHosts
 		CheckConnectivityRemoteHost
 
-		cmd=$SSH_CMD' "ls --help 2>&1 | grep -i BusyBox > /dev/null"'
+		cmd=$SSH_CMD' "if [ ls --help 2>&1 | grep -i BusyBox > /dev/null ]; then exit 0; else exit 1"'
 		Logger "cmd: $cmd" "DEBUG"
 		eval "$cmd" &
 		WaitForTaskCompletion $! 120 240 ${FUNCNAME[0]}"-0" true $KEEP_LOGGING