detect actual base blueprint version from cache

Author: Kelly Selden

src/get-start-and-end-commands.js

@@ -21,15 +21,15 @@ module.exports = function getStartAndEndCommands({
   startBlueprint,
   endBlueprint
 }) {
-  let isCustomBlueprint = !isDefaultBlueprint(endBlueprint);
-
   let startRange;
   let endRange;
-  if (isCustomBlueprint) {
-    startRange = endRange = '';
-  } else {
+  if (isDefaultBlueprint(endBlueprint)) {
     startRange = startBlueprint && startBlueprint.version;
     endRange = endBlueprint.version;
+  } else if (!endBlueprint.isBaseBlueprint && isDefaultBlueprint(baseBlueprint)) {
+    startRange = endRange = baseBlueprint.version;
+  } else {
+    startRange = endRange = '';
   }
 
   return {

test/unit/get-start-and-end-commands-test.js

@@ -286,15 +286,15 @@ describe(_getStartAndEndCommands, function() {
             name: blueprint,
             version: startVersion
           },
-          packageRange: ''
+          packageRange: '0.0.3'
         },
         endOptions: {
           baseBlueprint,
           blueprint: {
             name: blueprint,
             version: endVersion
           },
-          packageRange: ''
+          packageRange: '0.0.3'
         }
       });
     });
@@ -673,15 +673,15 @@ describe(_getStartAndEndCommands, function() {
         startOptions: {
           baseBlueprint,
           blueprint: null,
-          packageRange: ''
+          packageRange: '0.0.3'
         },
         endOptions: {
           baseBlueprint,
           blueprint: {
             name: blueprint,
             version: endVersion
           },
-          packageRange: ''
+          packageRange: '0.0.3'
         }
       });
     });