Upgrade AsyncGenerator to 0.19.0

Author: maca88

build-common/common.xml

@@ -47,10 +47,27 @@
 		<property name="tools.dir" value="${root.dir}/Tools"/>
 	</target>
 
-	<target name="common.tools-restore" depends="common.init">
+	<target name="common.tools-restore" depends="common.init common.get-dotnet-version">
 		<exec workingdir="${root.dir}/Tools" program="dotnet" verbose="true">
 			<arg line="restore ./packages.csproj --packages ." />
 		</exec> 
 	</target>
 
+	<target name="common.get-dotnet-version">
+		<property name="dotnet.version.file" value="${root.dir}/Tools/dotnet.version" />
+		<exec workingdir="${root.dir}/Tools" program="dotnet" output="${dotnet.version.file}">
+			<arg line="--version" />
+		</exec>
+		<loadfile file="${dotnet.version.file}" property="dotnet.version.content" />
+		<delete file="${dotnet.version.file}" />
+		<echo message="dotnet version: ${string::trim(dotnet.version.content)}" />
+		<if test="${string::index-of(dotnet.version.content, '-') == -1}">
+			<property name="dotnet.version" value="${version::parse(string::trim(dotnet.version.content))}" />
+		</if>
+		<!-- For preview versions we have to substring until - character. Example: 5.0.100-preview.2.20176.6  -->
+		<if test="${string::index-of(dotnet.version.content, '-') != -1}">
+			<property name="dotnet.version" value="${version::parse(string::trim(string::substring(dotnet.version.content, 0, string::index-of(dotnet.version.content, '-'))))}" />
+		</if>
+	</target>
+
 </project>

default.build

@@ -67,7 +67,13 @@
 	<target name="find-async-generator-console">
 		<property name="tool.id" value="CSharpAsyncGenerator.CommandLine" />
 		<call target="get-tool-info" />
-		<property name="async-generator-console"  value="${tool.path}tools/netcoreapp2.1/AsyncGenerator.CommandLine.dll" />
+		<property name="async-generator-console" value="${tool.path}tools/netcoreapp2.1/AsyncGenerator.CommandLine.dll" />
+		<if test="${version::get-major(version::parse(dotnet.version)) == 3 and version::get-minor(version::parse(dotnet.version)) >= 1}">
+			<property name="async-generator-console" value="${tool.path}tools/netcoreapp3.1/AsyncGenerator.CommandLine.dll" />
+		</if>
+		<if test="${(version::get-major(version::parse(dotnet.version)) >= 5)}">
+			<property name="async-generator-console" value="${tool.path}tools/net5.0/AsyncGenerator.CommandLine.dll" />
+		</if>
 	</target>
 
 	<target name="generate-async" depends="solution-restore find-async-generator-console">