if f.MkdirAllFn != nil {
		return f.MkdirAllFn(path, perm)
	}
	return nil
}

// Symlink is a fake call that just returns nil.
func (f *FakeOS) Symlink(oldname string, newname string) error {
	if f.SymlinkFn != nil {
		return f.SymlinkFn(oldname, newname)
	}
	return nil
}

// Stat is a fake that returns an error
func (f *FakeOS) Stat(path string) (os.FileInfo, error) {
	if f.StatFn != nil {
		return f.StatFn(path)
	}

# We can't upgrade, since this latest version has a different module path.
! go get example.com/retract/rename
stderr 'module declares its path as: example.com/retract/newname'

-- go.mod --
module example.com/use

go 1.16

require example.com/retract/rename v1.0.0-bad
-- use.go --
package use

        this.objectFactory = objectFactory;
        this.developmentBinary = objectFactory.property(CppExecutable.class);
        this.dependencies = objectFactory.newInstance(DefaultComponentDependencies.class, getNames().withSuffix("implementation"));
        this.mainVariant = new MainExecutableVariant(objectFactory);
    }

@SuppressWarnings ( "javadoc" )
public class MsrpcShareEnum extends srvsvc.ShareEnumAll {

    class MsrpcShareInfo1 extends SmbShareInfo {

        MsrpcShareInfo1 ( srvsvc.ShareInfo1 info1 ) {
            this.netName = info1.netname;
            this.type = info1.type;
            this.remark = info1.remark;
        }
    }


    public MsrpcShareEnum ( String server ) {

import jcifs.smb1.util.Hexdump;

public class MsrpcShareEnum extends srvsvc.ShareEnumAll {

    class MsrpcShareInfo1 extends SmbShareInfo {

        MsrpcShareInfo1(srvsvc.ShareInfo1 info1) {
            this.netName = info1.netname;
            this.type = info1.type;
            this.remark = info1.remark;
        }
    }

    public MsrpcShareEnum(String server) {
        super("\\\\" + server, 1, new srvsvc.ShareInfoCtr1(), -1, 0, 0);

                TaskProvider<UnexportMainSymbol> unexportMainSymbol = tasks.register(testExecutable.getNames().getTaskName("relocateMainFor"), UnexportMainSymbol.class, task -> {
                    String dirName = ((DefaultCppBinary) testedBinary).getNames().getDirName();
                    task.getOutputDirectory().set(project.getLayout().getBuildDirectory().dir("obj/for-test/" + dirName));

	// var asanModulename string
	// var asanFilename string
	symL = lname(".asanName")
	asanName := ir.NewNameAt(base.Pos, symL, types.Types[types.TSTRING])
	asanName.Class = ir.PEXTERN
	symL.Def = asanName
	typecheck.Target.Externs = append(typecheck.Target.Externs, asanName)

	symL = lname(".asanModulename")
	asanModulename := ir.NewNameAt(base.Pos, symL, types.Types[types.TSTRING])
	asanModulename.Class = ir.PEXTERN
	symL.Def = asanModulename

        this.objectFactory = objectFactory;
        this.developmentBinary = objectFactory.property(SwiftExecutable.class);
        this.dependencies = objectFactory.newInstance(DefaultComponentDependencies.class, getNames().withSuffix("implementation"));
    }

    @Override
    public DisplayName getDisplayName() {
        return Describables.withTypeAndName("Swift application", getName());
    }

    @Override

        }
    }

    private static Set<String> getTaskNames(ProjectInternal project) {
        return project.getTasks().getNames();
    }

    private static boolean hasTask(String taskName, ProjectInternal project) {
        return project.getTasks().getNames().contains(taskName) || project.getTasks().findByName(taskName) != null;
    }

func Diff(oldName string, old []byte, newName string, new []byte) []byte {
	if bytes.Equal(old, new) {
		return nil
	}
	x := lines(old)
	y := lines(new)

	// Print diff header.
	var out bytes.Buffer
	fmt.Fprintf(&out, "diff %s %s\n", oldName, newName)
	fmt.Fprintf(&out, "--- %s\n", oldName)
	fmt.Fprintf(&out, "+++ %s\n", newName)

	// Loop over matches to consider,