improve site-dependencies.json structure

Author: osfameron

lib/site-dependencies.js

@@ -1,6 +1,7 @@
 'use strict'
 
 const cvs = {}
+const origins = {}
 
 module.exports.register = function () {
   // '8.0@docs-server' -> Set of '8.0@docs-devex'
@@ -9,18 +10,27 @@ module.exports.register = function () {
   })
 
   this.once('beforePublish', ({ siteCatalog }) => {
-    const depsFile = createDependenciesFile(cvs)
+    const depsFile = createDependenciesFile({ cvs, origins })
     siteCatalog.addFile(depsFile)
   })
 
   this.once('contentAggregated', ({ contentAggregate }) => {
 
     for (const cv of contentAggregate) {
       const cvKey = `${cv.name}@${cv.version}`
-      const origins = Object.fromEntries(
-        cv.origins.map(o => [repoKey(o), o.refhash || null]))
 
-      cvs[cvKey] = { origins, dependencies: new Set() }
+      cvs[cvKey] = {
+        dependencies: new Set(),
+        origins: cv.origins.map(o => {
+          const oKey = repoKey(o)
+          // side-effect: populate origins map
+          origins[oKey] = {
+            refhash: o.refhash || null,
+            cv: cvKey
+          }
+          return oKey
+        })
+      }
     }
 
     // compare repos[].sha against your persisted previous-build record