ENH: add static const char* SHA1sum to fixedValueFvPatchScalarFieldTemplate

- useful for debugging purposes

etc/codeTemplates/dynamicCode/fixedValueFvPatchScalarFieldTemplate.C

@@ -60,6 +60,17 @@ extern "C"
     }
 }
 
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+makeRemovablePatchTypeField
+(
+    fvPatchScalarField,
+    ${typeName}FixedValueFvPatchScalarField
+);
+
+
+const char* ${typeName}FixedValueFvPatchScalarField::SHA1sum = "${SHA1sum}";
+
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
@@ -184,15 +195,6 @@ void ${typeName}FixedValueFvPatchScalarField::updateCoeffs()
 }
 
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-makeRemovablePatchTypeField
-(
-    fvPatchScalarField,
-    ${typeName}FixedValueFvPatchScalarField
-);
-
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 } // End namespace Foam

etc/codeTemplates/dynamicCode/fixedValueFvPatchScalarFieldTemplate.H

@@ -55,6 +55,9 @@ class ${typeName}FixedValueFvPatchScalarField
 
 public:
 
+    //- Information about the SHA1 of the code itself
+    static const char* SHA1sum;
+
     //- Runtime type information
     TypeName("${typeName}");