src/server/pfs/server/driver.go
func (d *driver) scratchFilePrefix(file *pfs.File) (string, error) {
	return path.Join(d.scratchCommitPrefix(file.Commit), file.Path), nil
}
func (d *driver) scratchFilePrefix(file *pfs.File) (string, error) {
	return path.Join(d.scratchCommitPrefix(file.Commit), file.Path), nil
}
func ( d * driver ) scratchFilePrefix ( file * pfs . File ) ( string , error ) { return path . Join ( d . scratchCommitPrefix ( file . Commit ) , file . Path ) , nil }
// scratchFilePrefix returns an etcd prefix that's used to temporarily
// store the state of a file in an open commit.  Once the commit is finished,
// the scratch space is removed.
scratchFilePrefix returns an etcd prefix that s used to temporarily store the state of a file in an open commit . Once the commit is finished the scratch space is removed .