change bash command to multiple lines

Author: kevmoens

Ellabit/Ellabit.csproj

@@ -112,8 +112,26 @@
 
 		<!-- Linux / macOS version -->
 		<Exec Condition="'$(OS)' != 'Windows_NT'"
-			  Command='bash -c "frameworkDir=$(PublishRootDir)/wwwroot/_framework; echo [ > $frameworkDir/framework_manifest.json; first=true; for dll in $frameworkDir/*.dll; do if [ $first = true ]; then first=false; else echo , >> $frameworkDir/framework_manifest.json; fi; filename=${dll##*/}; name=${filename%%.*}; echo { \\"Name\\": \\"$name\\", \\"File\\": \\"$filename\\" } >> $frameworkDir/framework_manifest.json; done; echo ] >> $frameworkDir/framework_manifest.json"' />
-
+			  Command='bash -c "
+				set -e;
+				frameworkDir=$(PublishRootDir)/wwwroot/_framework;
+				mkdir -p $frameworkDir;         # ensures folder exists
+				shopt -s nullglob;             # prevents errors if no DLLs
+				jsonFile=$frameworkDir/framework_manifest.json;
+				echo [ > $jsonFile;
+				first=true;
+				for dll in $frameworkDir/*.dll; do
+				  filename=${dll##*/};
+				  name=${filename%%.*};
+				  if [ $first = true ]; then
+					first=false;
+				  else
+					echo , >> $jsonFile;
+				  fi;
+				  echo { \\"Name\\": \\"$name\\", \\"File\\": \\"$filename\\" } >> $jsonFile;
+				done;
+				echo ] >> $jsonFile
+			  "' />
 	</Target>
 	<ItemGroup>
 		<EmbeddedResource Include="framework_manifest.json" />