def dep1 = withColorVariants(remoteRepo.module("group", "thing1", "1.2")).publish().allowAll()
        def dep2 = withColorVariants(remoteRepo.module("group", "thing2", "1.2")).publish().allowAll()
        withColorVariants(remoteRepo.module("group", "thing3", "1.2")).dependsOn(dep1).dependsOn(dep2).publish().allowAll()

        setupBuildWithColorTransformThatTakesUpstreamArtifacts()
        buildFile << """

        def dep1 = metadata.dependencies[0]
        dep1.selector == moduleId('group-two', 'artifact-one', '11')
        dep1.scope == MavenScope.Compile

        def dep2 = metadata.dependencies[1]
        dep2.selector == moduleId('group-two', 'artifact-three', '11')
        dep2.scope == MavenScope.Compile

        def inheritedDep = metadata.dependencies[2]
        inheritedDep.selector == moduleId('group-two', 'artifact-two', '1.2')

        registry.configure(ModelActionRole.Mutate) { it.path("target").action(Bean, BiActions.doNothing()) }

        when:
        registry.register(ModelRegistrations.bridgedInstance(ModelReference.of("dep2", Bean), new Bean()).descriptor("dep2 creator").build())

        then:
        noExceptionThrown()

        when:
        registry.bindAllReferences()

        then:

            LinkedHashMap<String, String> dup = new LinkedHashMap<>(inherited.size() + overrides.size());
            dup.putAll(inherited);
            dup.putAll(overrides);
            return dup;
        }

        private void mergeConfigurations(ModuleRevisionId sourceMrid, Configuration[] configurations) {

		// referenced by name.
		addToGlobal()
		return i
	}
	switch kind {
	case pkgDef:
		// Defined package symbols cannot be dup to each other.
		// We load all the package symbols first, so we don't need
		// to check dup here.
		// We still add it to the lookup table, as it may still be
		// referenced by name (e.g. through linkname).
		l.symsByName[ver][name] = i
		addToGlobal()

			// copy the payload of mangled to original.
			// XXX maybe there is a better way to do this.
			dup := ldr.Lookup(newName, ldr.SymVersion(s))
			if dup != 0 {
				st := ldr.SymType(s)
				dt := ldr.SymType(dup)
				if st == sym.Sxxx && dt != sym.Sxxx {
					ldr.CopySym(dup, s)
				}
			}
		}
	}
}

// typeSymbolMangle mangles the given symbol name into something shorter.
//

github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2/go.mod h1:k9Qvh+8juN+UKMCS/3jFtGICgW8O96FVaZsaxdzDkR4=
github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a h1:w8hkcTqaFpzKqonE9uMCefW1WDie15eSP/4MssdenaM=
github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a/go.mod h1:ryS0uhF+x9jgbj/N71xsEqODy9BN81/GonCZiOzirOk=

							Ifn:  resolveReflectText(textOffFor(ft, m.Ifn)),
							Tfn:  resolveReflectText(textOffFor(ft, m.Tfn)),
						})

					}
				}
			}
		}
		if _, dup := fset[name]; dup && name != "_" {
			panic("reflect.StructOf: duplicate field " + name)
		}
		fset[name] = struct{}{}

		hash = fnv1(hash, byte(ft.Hash>>24), byte(ft.Hash>>16), byte(ft.Hash>>8), byte(ft.Hash))

	}

	// Sanity check. Enable if duplicates show up.
	if false {
		found := make(map[[16]byte]struct{})
		for _, ver := range merged {
			if _, ok := found[ver.header.VersionID]; ok {
				panic("found dupe")
			}
			found[ver.header.VersionID] = struct{}{}
		}
	}
	return merged
}

type xlMetaBuf []byte

// ToFileInfo converts xlMetaV2 into a common FileInfo datastructure

	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Dup(oldfd int) (fd int, err error) {
	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), 0, 0)
	fd = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Dup3(oldfd int, newfd int, flags int) (err error) {