Fix startup.m overwriting issue in package post-install script (linux/macos).

misc/binpkg_postinst_scripts/debrpm/postinst_matlab.sh.in

@@ -15,7 +15,7 @@ else
 	MATLAB_BIN="${MATLAB_ROOT}/bin/matlab"
 	STARTUP_DIR="${MATLAB_ROOT}/toolbox/local/"
 	STARTUP_FILE=${STARTUP_DIR}/startup.m
-	[[ -r "$STARTUP_FILE" ]] && grep -i -v faust "$STARTUP_FILE" > "$STARTUP_FILE" 2>/dev/null
+	[[ -r "$STARTUP_FILE" ]] && grep -i -v faust "$STARTUP_FILE" > "${STARTUP_FILE}.tmp" 2>/dev/null && mv "${STARTUP_FILE}.tmp" "$STARTUP_FILE"
 	FAUST_MATLAB_WRAPPER_PATH="@CMAKE_INSTALL_MATLAB_PREFIX@"
 	#USR_STARTUP_FILE=$($MATLAB_BIN -nojvm -nodisplay -r "which startup;exit" | tail -n 2 | head -n 1) # useless in root
 	if [[ -d "${FAUST_MATLAB_WRAPPER_PATH}" ]]
@@ -32,8 +32,9 @@ else
 				#then
 				if [[ -r "$USR_STARTUP_FILE" ]]
 				then
-					grep -i -v faust "$USR_STARTUP_FILE" > "$USR_STARTUP_FILE" 2>/dev/null
+					grep -i -v faust "$USR_STARTUP_FILE" > "${USR_STARTUP_FILE}.tmp" 2>/dev/null && mv "${USR_STARTUP_FILE}.tmp" "$USR_STARTUP_FILE"
 					echo "addpath(genpath('"$FAUST_MATLAB_WRAPPER_PATH"'))" >> $USR_STARTUP_FILE
+					chown $USER $USR_STARTUP_FILE
 					RET2=$(($?+$RET2))
 				fi
 				#fi

misc/binpkg_postinst_scripts/macosx/postinst_matlab.sh.in

@@ -10,7 +10,7 @@ else
 	# set path in system startup script
 	STARTUP_DIR="${MATLAB_ROOT}/toolbox/local/"
 	STARTUP_FILE=${STARTUP_DIR}/startup.m
-	[[ -r "$STARTUP_FILE" ]] && grep -i -v faust "$STARTUP_FILE" > "$STARTUP_FILE"
+	[[ -r "$STARTUP_FILE" ]] && grep -i -v faust "$STARTUP_FILE" > "${STARTUP_FILE}.tmp" && mv "${STARTUP_FILE}.tmp" "$STARTUP_FILE"
 	FAUST_MATLAB_WRAPPER_PATH="@CMAKE_INSTALL_MATLAB_PREFIX@"
 	echo "addpath(genpath('"$FAUST_MATLAB_WRAPPER_PATH"'))" >> $STARTUP_FILE
 	# set path in user startup script
@@ -23,8 +23,9 @@ else
 		#then
 		if [[ -r "$USR_STARTUP_FILE" ]]
 		then
-			grep -i -v faust "$USR_STARTUP_FILE" > "$USR_STARTUP_FILE"
+			grep -i -v faust "$USR_STARTUP_FILE" > "${USR_STARTUP_FILE}.tmp" && mv "${USR_STARTUP_FILE}.tmp" "$USR_STARTUP_FILE"
 			echo "addpath(genpath('"$FAUST_MATLAB_WRAPPER_PATH"'))" >> "$USR_STARTUP_FILE"
+			chown $USER "$USR_STARTUP_FILE"
 		fi
 		#fi
 	done