Fixes for nightly (#71)

Updates for:
- TOMLCache
- Elimination of __PackagePrecompilationStatementModule

Author: timholy

src/CodeTracking.jl

@@ -299,8 +299,8 @@ pkgfiles(name::AbstractString, uuid::UUID) = pkgfiles(PkgId(uuid, name))
 function pkgfiles(name::AbstractString)
     project = Base.active_project()
     # The value returned by Base.project_deps_get depends on the Julia version
-    id = isdefined(Base, :TOMLCache) ? Base.project_deps_get(project, name, Base.TOMLCache()) :
-                                       Base.project_deps_get(project, name)
+    id = isdefined(Base, :TOMLCache) && Base.VERSION < v"1.6.0-DEV.1180" ? Base.project_deps_get(project, name, Base.TOMLCache()) :
+                                                                           Base.project_deps_get(project, name)
     (id == false || id === nothing) && error("no package ", name, " recognized")
     return isa(id, PkgId) ? pkgfiles(id) : pkgfiles(name, id)
 end

test/runtests.jl

@@ -134,10 +134,12 @@ isdefined(Main, :Revise) ? Main.Revise.includet("script.jl") : include("script.j
     @test d === nothing || isa(d[1], String)
 
     # Check for existence of file
-    id = Base.PkgId("__PackagePrecompilationStatementModule")
-    mod = Base.root_module(id)
-    m = first(methods(getfield(mod, :eval)))
-    @test definition(String, m) === nothing
+    id = Base.PkgId("__PackagePrecompilationStatementModule")   # not all Julia versions have this
+    mod = try Base.root_module(id) catch nothing end
+    if isa(mod, Module)
+        m = first(methods(getfield(mod, :eval)))
+        @test definition(String, m) === nothing
+    end
 end
 
 @testset "With Revise" begin