Update matlab post-install scripts for linux, macos and win to rehash toolbox...

Update matlab post-install scripts for linux, macos and win to rehash toolbox as a last attempt to access the startup script, otherwise send the user to the doc.

misc/binpkg_postinst_scripts/debrpm/postinst_matlab.sh.in

@@ -17,8 +17,10 @@ function inject_matlab_code_to_update_path
 	echo "addpath(['"$FAUST_MATLAB_WRAPPER_PATH"' '/tools'])" >> "$FILE"
 	echo "addpath(['"$FAUST_MATLAB_WRAPPER_PATH"' '/data'])" >> "$FILE"
 	echo "matfaust.enable_gpu_mod('silent', true);end" >> "$FILE"
+	return $?
 }
 
+MATLABRC_RUN_STARTUP_CMD="if(exist('@CMAKE_INSTALL_PREFIX@'))oldpwd=pwd;startup_path=fullfile(matlabroot,'toolbox','local');cd(startup_path);startup_found=which('startup');if(isempty(startup_found))rehash('toolbox');startup_found=which('startup');if(isempty(startup_found)) disp('Faust startup code can''t be executed -- script not found. Please consult the online documentation to resolve this issue.');else;startup;end;else;startup;end;cd(oldpwd);end";
 
 funtion inject_matlab_code_to_update_user_paths
 {
@@ -56,19 +58,19 @@ else
 	STARTUP_DIR="${MATLAB_ROOT}/toolbox/local/"
 	MATLABRC="${STARTUP_DIR}/matlabrc.m"
 	STARTUP_FILE="${STARTUP_DIR}/startup.m"
-	[[ -r "$STARTUP_FILE" ]] && grep -i -v faust "$STARTUP_FILE" > "${STARTUP_FILE}.tmp" 2>/dev/null && mv "${STARTUP_FILE}.tmp" "$STARTUP_FILE"
+	[[ -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}" ]]
 	then
 		#echo "addpath(genpath('"$FAUST_MATLAB_WRAPPER_PATH"'))" >> "$STARTUP_FILE"
 		inject_matlab_code_to_update_path "$STARTUP_FILE"
-		# add a line to force startup execution into matlabrc
-		echo "oldpwd = pwd; startup_path = fullfile(matlabroot, 'toolbox', 'local'); cd(startup_path); startup; cd(oldpwd)" >> $MATLABRC
 		RET1=$?
-		RET2=0
-		# disable because it's too intrusive and maybe redundant
-		# inject_matlab_code_to_update_user_paths
+		# add a line to force startup execution into matlabrc
+		# except if the line is already in the file
+		[[ -r "$MATLABRC" ]] && grep -q "$MATLABRC_RUN_STARTUP_CMD" "$MATLABRC"  || (echo "$MATLABRC_RUN_STARTUP_CMD" >> $MATLABRC)
+		RET2=0 # TODO: make it useful
+		# inject_matlab_code_to_update_user_paths # disabled because it's too intrusive and maybe redundant
 		[[ $RET1 = 0 && $RET2 = 0 ]] && echo -e "\033[1mNOTICE\033[0m: Faust matlab setup is complete." || echo "ERROR: something went wrong in matlab startup script editing."
 	else
 		echo "ERROR: Faust matlab wrapper path isn't valid."

misc/binpkg_postinst_scripts/macosx/postinst_matlab.sh.in

@@ -40,6 +40,8 @@ function inject_matlab_code_to_update_user_paths
 
 }
 
+MATLABRC_RUN_STARTUP_CMD="if(exist('@CMAKE_INSTALL_PREFIX@'))oldpwd=pwd;startup_path=fullfile(matlabroot,'toolbox','local');cd(startup_path);startup_found=which('startup');if(isempty(startup_found))rehash('toolbox');startup_found=which('startup');if(isempty(startup_found)) disp('Faust startup code can''t be executed -- script not found. Please consult the online documentation to resolve this issue.');else;startup;end;else;startup;end;cd(oldpwd);end";
+
 # find matlab root path from the accessible matlab in the PATH
 MATLAB_BIN=$(which matlab)
 # deduce MATLAB_ROOT
@@ -60,12 +62,12 @@ else
 	STARTUP_DIR="${MATLAB_ROOT}/toolbox/local/"
 	STARTUP_FILE=${STARTUP_DIR}/startup.m
 	MATLABRC="${STARTUP_DIR}/matlabrc.m"
-	[[ -r "$STARTUP_FILE" ]] && grep -i -v faust "$STARTUP_FILE" > "${STARTUP_FILE}.tmp" && mv "${STARTUP_FILE}.tmp" "$STARTUP_FILE"
+	[[ -r "$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"
 	inject_matlab_code_to_update_path $STARTUP_FILE
 	# add a line to force startup execution into matlabrc
-	echo "oldpwd = pwd; startup_path = fullfile(matlabroot, 'toolbox', 'local'); cd(startup_path); startup; cd(oldpwd)" >> $MATLABRC
-	# disable because it's too intrusive and maybe redundant
-	# inject_matlab_code_to_update_user_paths
+	# except if the line is already in the file
+	[[ -r "$MATLABRC" ]] && grep -q "$MATLABRC_RUN_STARTUP_CMD" "$MATLABRC"  || (echo "$MATLABRC_RUN_STARTUP_CMD" >> $MATLABRC)
+	# inject_matlab_code_to_update_user_paths # disabled because it's too intrusive and maybe redundant
 fi

misc/nsis/faust.nsi

@@ -251,7 +251,7 @@ Function matlabFoundCb
 
     FileOpen $1 "$R4\toolbox\local\matlabrc.m" a
     FileSeek $1 0 END ; do not erase start of file (but risk to add Faust path multiple times)
-    FileWrite $1 "oldpwd = pwd; startup_path = fullfile(matlabroot, 'toolbox', 'local'); cd(startup_path); startup; cd(oldpwd);"
+    FileWrite $1 "if(exist('$INSTDIR'))oldpwd=pwd;startup_path=fullfile(matlabroot,'toolbox','local');cd(startup_path);startup_found=which('startup');if(isempty(startup_found))rehash toolbox;startup_found=which('startup');if(isempty(startup_found)) disp('Faust startup code can't be executed -- script not found. Please consult the online documentation to resolve this issue.');else;startup;end;else;startup;end;cd(oldpwd);end"
     FileClose $1
 
     # disable because it's redundant