only search global paths in using and import. fixes #12695

base/loading.jl

@@ -2,18 +2,19 @@
 
 # Base.require is the implementation for the `import` statement
 
-# `wd` is a working directory to search. from the top level (e.g the prompt)
-# it's just the cwd, otherwise it will be set to source_dir().
+# `wd` is a working directory to search. defaults to current working directory.
+# if `wd === nothing`, no extra path is searched.
 function find_in_path(name::AbstractString, wd = pwd())
  isabspath(name) && return name
- if wd === nothing; wd = pwd(); end
  base = name
  if endswith(name,".jl")
  base = name[1:end-3]
  else
  name = string(base,".jl")
  end
- isfile(joinpath(wd,name)) && return joinpath(wd,name)
+ if wd !== nothing
+ isfile(joinpath(wd,name)) && return joinpath(wd,name)
+ end
  for prefix in [Pkg.dir(); LOAD_PATH]
  path = joinpath(prefix, name)
  isfile(path) && return abspath(path)
@@ -191,7 +192,7 @@ function require(mod::Symbol)
  end
 
  name = string(mod)
- path = find_in_node_path(name, source_dir(), 1)
+ path = find_in_node_path(name, nothing, 1)
  path === nothing && throw(ArgumentError("$name not found in path"))
  try
  if last && myid() == 1 && nprocs() > 1