build.xml

<project default="default">
	<!--
		1) Download this jar from http://groovy-lang.org/download.html
		2) Update the classpath to match where you put it!
	-->
	<taskdef name="groovy"
		classpath="C:\Users\mpand\Downloads\groovy-2.4.14\embeddable\groovy-all-2.4.14.jar"
		classname="org.codehaus.groovy.ant.Groovy"/>

	<property name="spiffs.file" value="spiffs.bin"/>
	<property name="spiffs.dir" value="data"/>
	
	<!--
		Download this jar from https://github.com/littleyoda/EspStackTraceDecoder
		if you want the stack trace tool to work. Update this property to point to it!
	-->
	<property name="stack.jar" value="C:\Users\mpand\Downloads\EspStackTraceDecoder.jar"/>
	
	<echo> ${eclipse_home} </echo>
	<groovy>
		String getProperty(Properties props, String key, int level) {
		def value = null
		   value = props.getProperty(key);
		   if (value != null) {
		      // Get the index of the first constant, if any
		      def beginIndex = 0;
		      def startName = value.indexOf('${', beginIndex);

		      while (startName != -1) {
		         if (level+1 > 5) {
		            // Exceeded MAX_SUBST_DEPTH
		            // Return the value as is
		            return value;
		         }

		         def endName = value.indexOf('}', startName + 1);
		         if (endName == -1) {
		            // Terminating symbol not found
		            // Return the value as is
		            return value;
		         }

		         def constName = value.substring(startName+2, endName);
		         def constValue = getProperty(props, constName, level+1);

		         if (constValue == null) {
		            // Property name not found
		            // Return the value as is
		            return value;
		         }

		         // Insert the constant value into the
		         // original property value
		         def newValue = (startName>0)
		            ? value.substring(0, startName) : "";
		         newValue += constValue;

		         // Start checking for constants at this index
		         beginIndex = newValue.length();

		         // Append the remainder of the value
		         newValue += value.substring(endName+1);

		         value = newValue;

		         // Look for the next constant
		         startName = value.indexOf('${', beginIndex);
		      }
		   }

		   // Return the value as is
		   return value;
		}

		def props = new Properties()
		
		props['eclipse_home'] = properties['eclipse_home']
		props['project_loc'] = properties['project_loc']
		new File(properties['project_loc'] + './.settings/org.eclipse.cdt.core.prefs').eachLine { line ->
		    if ((matcher = line =~ /.*\/([AJ].+)\/value=(.+)$/)) {
				def val = matcher[0][2];
				if (val != null) {
					val = val.replace('\\:', ':');
				}
        		props[matcher[0][1]] = val;
		    }
		}
		props.each{ k, v -> 
			properties[k] = getProperty(props, k, 0)
		}
		
		properties['A.BUILD.SPIFFS_SIZE'] = Integer.parseInt(properties['A.BUILD.SPIFFS_END'].substring(2),16) - Integer.parseInt(properties['A.BUILD.SPIFFS_START'].substring(2), 16)
	</groovy>

	<target name="stack">
		<java jar="${stack.jar}" fork="true">
			<arg value="${A.COMPILER.PATH}/xtensa-lx106-elf-addr2line"/>
			<arg value="${project_loc}/Release/${project_name}.elf"/>
			<arg value="${project_loc}/dump.txt"/>
		</java>
	</target>
	
	<target name="erase flash">
		<exec executable="${A.TOOLS.ESPTOOL.PATH}/${A.TOOLS.ESPTOOL.CMD}">
			<arg value="-cd"/>
			<arg value="${A.UPLOAD.RESETMETHOD}"/>
			<arg value="-cb"/>
			<arg value="${A.UPLOAD.SPEED}"/>
			<arg value="-cp"/>
			<arg value="${A.SERIAL.PORT}"/>
			<arg value="-ce"/>
		</exec>		
	</target>
	
	<target name="OTA spiff upload" if="A.NETWORK.PORT">
		<exec executable="${A.TOOLS.ESPTOOL.NETWORK_CMD}">
			<arg value="${A.RUNTIME.PLATFORM.PATH}/tools/espota.py"/>
			<arg value="-i"/>
			<arg value="${A.SERIAL.PORT}"/>
			<arg value="-p"/>
			<arg value="${A.NETWORK.PORT}"/>
			<arg value="-s"/>
			<arg value="-f"/>
			<arg value="${project_loc}/${spiffs.file}"/>
		</exec>		
	</target>
	
	<target name="wired spiff upload" unless="A.NETWORK.PORT">
		<exec executable="${A.TOOLS.ESPTOOL.PATH}/${A.TOOLS.ESPTOOL.CMD}">
			<arg value="-cd"/>
			<arg value="${A.UPLOAD.RESETMETHOD}"/>
			<arg value="-cb"/>
			<arg value="${A.UPLOAD.SPEED}"/>
			<arg value="-cp"/>
			<arg value="${A.SERIAL.PORT}"/>
			<arg value="-ca"/>
			<arg value="${A.BUILD.SPIFFS_START}"/>
			<arg value="-cf"/>
			<arg value="${project_loc}/${spiffs.file}"/>
		</exec>		
	</target>
	
	<target name="spiff upload" depends="wired spiff upload,OTA spiff upload">
	</target>
		
	<target name="mkspiffs">
		<echo message="-p ${A.BUILD.SPIFFS_PAGESIZE} -b ${A.BUILD.SPIFFS_BLOCKSIZE} -s ${A.BUILD.SPIFFS_SIZE}"></echo>
		<exec executable="${A.TOOLS.MKSPIFFS.PATH}/${A.TOOLS.MKSPIFFS.CMD}">
			<arg value="-d"/>
			<arg value="5"/>
			<arg value="-c"/>
			<arg value="${project_loc}/${spiffs.dir}"/>
			<arg value="-p"/>
			<arg value="${A.BUILD.SPIFFS_PAGESIZE}"/>
			<arg value="-b"/>
			<arg value="${A.BUILD.SPIFFS_BLOCKSIZE}"/>
			<arg value="-s"/>
			<arg value="${A.BUILD.SPIFFS_SIZE}"/>
			<arg value="${spiffs.file}"/>
		</exec>
	</target>
	
	<target name="showspiffs">
		<exec executable="${A.TOOLS.MKSPIFFS.PATH}/${A.TOOLS.MKSPIFFS.CMD}">
			<arg value="-i"/>
			<arg value="${spiffs.file}"/>
		</exec>
	</target>
	
	<target name="default" depends="mkspiffs,spiff upload"/>
</project>