Add backup functionality on toolchain selection menu

support/functions/_plugin_update_toolchain

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-#simplebuild_plugin tcupdate 0.2.0
+#simplebuild_plugin tcupdate 0.3.0
 
 tcupdate(){
 	clear;
@@ -21,22 +21,19 @@ tcupdate(){
 			fi;
 		fi;
 		out=$(
-		"$gui" "$st_" "$bt_" "$title_" "--cancel-label" "EXIT" "--help-button" "--help-label" "INFO" "--title" "-[ Toolchain $txt_menu ]-" --menu "\nChoose on of the installed toolchains you want to update:\n " "${COUNT+10}" 0 0 ${MENU_OPTIONS});
+		"$gui" "$st_" "$bt_" "$title_" "--default-item" "$3" "--cancel-label" "EXIT" "--help-button" "--help-label" "BACKUP" "--title" "-[ Toolchain $txt_menu ]-" --menu "\nChoose on of the installed toolchains you want to update:\n " "${COUNT+10}" 0 0 ${MENU_OPTIONS});
-		
+
 		IFS=$OIFS;
 		[ "$out" == "" ] && bye;
 		first=$(echo "$out" | awk '{printf $1}');
 		tc_info=$(echo "$out" | awk '{printf $2}';);
 		case $first in
 			HELP)
-						if [ -f "$tccfgdir/$tc_info" ];then
+						_toolchain_repair "$(_backup "$tc_info")";
-							source "$tccfgdir/$tc_info";
+						tcupdate "" "0" "$tc_info";;
-							"$gui" "$st_" "$nc_" "$bt_" "$title_" "--msgbox" "$_tc_info" $((_tc_infolines + 5)) 65;
-						fi;
-						tcupdate;;
 			*)
 						tc="$first";
-						tc_menu="1";
+						tc_menu="1";;
 		esac;
 	else
 		tc="$1"
@@ -56,6 +53,7 @@ tcupdate(){
 		cd "$tcdir/$tc/bin";
 	else
 		echo -e "$r_l  $txt_error:$y_l $tc$w_l Toolchain $txt_n_installed""$rs_";
+		[ "$1" == "" ] && sleep 2 && tcupdate "" "0" "$tc";
 		_nl;
 		exit;
 	fi;
@@ -112,7 +110,7 @@ tcupdate(){
 		libs+=("(${lib[*]@Q})");
 	done;
 
-	opts=$("$gui" "--item-help" "--help-tags" "$st_" "$bt_" "$title_" "--help-button" "--help-label" "INFO" "--cancel-label" "$([ "$tc_menu" == "1" ] && echo "BACK" || echo "EXIT")" --title "-[ Library Update for Toolchain $tc ]-" "$cl_"\
+	opts=$("$gui" "--item-help" "--help-tags" "$st_" "$bt_" "$title_" "--default-item" "$3" "--help-button" "--help-label" "INFO" "--cancel-label" "$([ "$tc_menu" == "1" ] && echo "BACK" || echo "EXIT")" --title "-[ Library Update for Toolchain $tc ]-" "$cl_"\
 		"\nSelect all libraries to update in toolchain's SYSROOT folder:\n$prefixdir\n\n       library version    NEW                    CURRENT" \
 		"${COUNT+12}" 70 0 "${MENU_OPTIONS[@]}");
 	
@@ -124,14 +122,14 @@ tcupdate(){
 	libkey=$(echo "$opts" | awk '{printf $2}';);
 
 	if [ "$first" == "HELP" ];then
-		sp=$(printf '%*s' 90 | tr ' ' '=')
+		sp=$(printf '%*s' 90 | tr ' ' '=');
 		txt=$(cat "$configname" | grep ""$libkey"=\|"$libkey"_");
 		bcd=$(cat "$configname" | grep ""$libkey"_tasks");
-		txt=$(echo -e "Toolchain: $tcdir/$tc\nCompiler:  $compilername\nSysroot:   $sr\nPrefix:    $prefixdir\n$sp\n\nLibrary configuration:\n$txt\n\nBuild command:\n$(_replace_tokens "$(_tidy_tasks "$bcd" "$libkey")")")
+		txt=$(echo -e "Toolchain: $tcdir/$tc\nCompiler:  $compilername\nSysroot:   $sr\nPrefix:    $prefixdir\n$sp\n\nLibrary configuration:\n$txt\n\nBuild command:\n$(_replace_tokens "$(_tidy_tasks "$bcd" "$libkey")")");
-		tempfile=$(mktemp) && echo -e "$txt" > "$tempfile"
+		tempfile=$(mktemp) && echo -e "$txt" > "$tempfile";
 		"$gui" "$st_" "$nc_" "$bt_" "$title_" "--textbox" "$tempfile" 30 80;
 		rm "$tempfile" 2>/dev/null;
-		tcupdate $tc $tc_menu;
+		tcupdate $tc $tc_menu $libkey;
 	fi;	
 
 	#BUILD section
@@ -156,13 +154,56 @@ tcupdate(){
 	
 	#Reopen update menu
 	if [ ${#opts} -gt 0 ];then
-		tcupdate $tc;
+		tcupdate $tc $tc_menu $libkey;
 	else
-		[ "$tc_menu" == "1" ] && tcupdate;
+		[ "$tc_menu" == "1" ] && tcupdate "" "0" "$tc";
 	fi;
 	
 	bye;
 };
+_backup(){
+
+	_sz;					# Prepare DIALOG settings
+	nr=$(( $RANDOM % 100 ));
+	newtc="$1-$nr";
+	newtccfgfile="$tccfgdir/$newtc";
+	xzfile="$dldir/Toolchain-$newtc.tar.xz";
+	
+	(
+	#generate xz-file
+	XZ_OPT=-e9 tar -cvJf "$xzfile" -C "$tcdir/$1" .
+	
+	#create new toolchains.cfg file
+	cp "$tccfgdir/$1" "$newtccfgfile";
+	
+	if [ -f "$newtccfgfile" ];then
+		#autodetect toolchain's sysroot folder
+		source "$newtccfgfile";
+		cd "$tcdir/$1/bin";
+		compilername="$_compiler""gcc";compilername=$(realpath $compilername);
+		sr=$("$compilername" -print-sysroot 2>/dev/null);
+		sr=$(realpath -sm "$sr");
+		sysroot=${sr#"$tcdir/$1/"};
+		
+		#update toolchains.cfg file 
+		#_toolchainname
+		sed -i "s#.*_toolchainname=.*#_toolchainname=\"$newtc\";#g" "$newtccfgfile";
+		#_description
+		sed -i "s#.*_description=.*#_description=\"$_description\";#g" "$newtccfgfile";
+		#_sysroot
+		sed -i "s#.*_sysroot=.*#_sysroot=\"$sysroot\";#g" "$newtccfgfile";
+		#_toolchainfilename
+		encfile=$(echo -en "$(basename "${xzfile%..*}")" | base64);
+		sed -i "s#.*_toolchainfilename=.*#_toolchainfilename=\"$encfile\";#g" "$newtccfgfile";
+		#_md5sum
+		cd "$dldir" && md5hash="$(md5sum $(basename "${xzfile%..*}"))";
+		sed -i "s#.*_md5sum=.*#_md5sum=\"$md5hash\";#g" "$newtccfgfile";
+		
+		"$gui" "$st_" "$nc_" "$bt_" "$title_" "--textbox" "$newtccfgfile" 30 80;
+	fi;
+	) | "$gui" "$st_" --colors --title " -[ Backup $1 to $newtc ... ]- " "$pb_" "$_lines" "$_cols";
+	[ -f "$newtccfgfile" ] && echo "$newtc";
+};
 _build(){
 	
 	_sz;					# Prepare DIALOG settings