Fetch projects that build the downstream dependencies.

Jenkinsfile

@@ -1,6 +1,7 @@
 
 def counts = 0
 def projects2artifacts = [:]
+def artifacts2projects = [:]
 def modules2deps = [:]
 def inputProject = 'storagehub-client-library'
 
@@ -14,7 +15,7 @@ pipeline {
                script {
                     Jenkins.getInstance().getAllItems(TopLevelItem.class).each { p ->
                             projects2artifacts[p.name] = []
-                            p.getAllJobs().each { j -> projects2artifacts[p.name] << j.name }
+                            p.getAllJobs().each { j -> projects2artifacts[p.name] << j.name; artifacts2projects[j.name] = p.name }
                     }
                     println "FOUND ${projects2artifacts.size()} projects"
                     projects2artifacts.each { k,v -> println ("PROJECT ${k} BUILDS ${v}") }
@@ -39,18 +40,18 @@ pipeline {
             steps {
                 script {
                   println "PROJECT ${inputProject} BUILDS ${projects2artifacts[inputProject]} artifacts"
-                  // first, let's find out what components depends on the project's artifacts
+                  // first, let's find out what components depends on the project's artifacts (i.e. downstream dependencies)
                   def downstreamdeps = [:]
                   projects2artifacts[inputProject].each { a ->
                       downstreamdeps[a] = []
-                      downstreamdeps[a] << findDownstreamDependencies(modules2deps, a)
+                      downstreamdeps[a].addAll(findDownstreamDependencies(modules2deps, a))
                       println "${a} is used by ${downstreamdeps[a]}"
 
                   }
                   // then we look for the projects that build the downstream dependencies
-                  //downstreamdeps.each { k, v ->
-                  //     println "${k} is build by ${findProject()}"
-                  //}
+                  downstreamdeps.each { k, v ->
+                    for (d in v)  { println "${d} is build by ${artifacts2projects[d]}" }
+                  }
                 }
             }
         }
@@ -65,7 +66,9 @@ def findDownstreamDependencies(modules2deps, artifact) {
 
 def findProject(projects2artifacts, artifact) {
     println "Looking for project that builds ${artifact}"
-    projects2artifacts.find { k,v -> v.contains("${artifact}")}.first.key
+    def name = ""
+    projects2artifacts.each { k,v -> if (v.contains("${artifact}")) name = k }
+    name
 }