add test for #52161

Author: fatteneder

test/relocatedepot.jl

@@ -93,6 +93,58 @@ if !test_relocated_depot
         end
     end
 
+    @testset "#52161" begin
+        # Take the src files from two RelocationTestPkg1 and RelocationTestPkg2,
+        # which are each located in depot1 and depot2, respectively, and
+        # add them as include_dependency()s to a new pkg Foo, which will be precompiled into depot3.
+        # After loading the include_dependency()s of Foo should refer to depot1 depot2 each.
+        test_harness() do
+            mktempdir() do depot1
+                # precompile RelocationTestPkg1 in depot1
+                cp(joinpath(@__DIR__,"RelocationTestPkg1"),joinpath(depot1,"RelocationTestPkg1"))
+                pushfirst!(LOAD_PATH, depot1)
+                pushfirst!(DEPOT_PATH, depot1)
+                pkg = Base.identify_package("RelocationTestPkg1")
+                Base.require(pkg)
+                mktempdir() do depot2
+                    cp(joinpath(@__DIR__,"RelocationTestPkg2"),joinpath(depot2,"RelocationTestPkg2"))
+                    # precompile RelocationTestPkg2 in depot2
+                    pushfirst!(LOAD_PATH, depot2)
+                    pushfirst!(DEPOT_PATH, depot2)
+                    pkg = Base.identify_package("RelocationTestPkg2")
+                    Base.require(pkg)
+                    # precompile Foo into in depot3
+                    mktempdir() do depot3
+                        pushfirst!(LOAD_PATH, depot3)
+                        pushfirst!(DEPOT_PATH, depot3)
+                        foofile = joinpath(depot3, "Foo.jl")
+                        write(foofile, """
+                            module Foo
+                            using RelocationTestPkg1
+                            using RelocationTestPkg2
+                            srcfile1 = joinpath(pkgdir(RelocationTestPkg1), "src", "RelocationTestPkg1.jl")
+                            srcfile2 = joinpath(pkgdir(RelocationTestPkg2), "src", "RelocationTestPkg2.jl")
+                            @show srcfile1
+                            @show srcfile2
+                            include_dependency(srcfile1)
+                            include_dependency(srcfile2)
+                            end
+                        """)
+                        pkg = Base.identify_package("Foo")
+                        Base.require(pkg)
+                        cachefile = joinpath(depot3, "compiled", "v1.11", "Foo.ji")
+                        _, (deps, _, _), _... = Base.parse_cache_header(cachefile)
+                        @test map(x -> x.filename, deps) ==
+                            [ joinpath(depot3, "Foo.jl"),
+                              joinpath(depot1, "RelocationTestPkg1", "src", "RelocationTestPkg1.jl"),
+                              joinpath(depot2, "RelocationTestPkg2", "src", "RelocationTestPkg2.jl") ]
+                    end
+                end
+            end
+        end
+    end
+
+
 else
 
     @testset "load stdlib from test/relocatedepot" begin