add Base.isless for ordering ExecutableProduct vs LibraryProduct (#180)

* add Base.isless for ordering ExecutableProduct vs LibraryProduct

* switch so that LibraryProducts come first and then ExecutableProducts

* fix sorting tests

src/Products.jl

@@ -494,6 +494,8 @@ function locate(fp::FileProduct, prefix::Prefix; platform::AbstractPlatform = Ho
 end
 
 # Necessary to get the products in the wrappers always sorted consistently
+Base.isless(x::LibraryProduct, y::ExecutableProduct) = true
+Base.isless(x::ExecutableProduct, y::LibraryProduct) = false
 Base.isless(x::Product, y::Product) = isless(variable_name(x), variable_name(y))
 Base.sort(d::Dict{Product}) = sort(collect(d), by = first)
 

test/products.jl

@@ -25,12 +25,12 @@ const platform = HostPlatform()
 
     # Test sorting of products....
     @test sort([LibraryProduct("libbar", :libbar), ExecutableProduct("foo", :foo), FrameworkProduct("buzz", :buzz)]) ==
-        [FrameworkProduct("buzz", :buzz), ExecutableProduct("foo", :foo), LibraryProduct("libbar", :libbar)]
+        [FrameworkProduct("buzz", :buzz), LibraryProduct("libbar", :libbar), ExecutableProduct("foo", :foo)]
     # ...and products info
     p1 = LibraryProduct(["libchafa"], :libchafa, ) => Dict("soname" => "libchafa.so.0","path" => "lib/libchafa.so")
     p2 = ExecutableProduct(["chafa"], :chafa, ) => Dict("path" => "bin/chafa")
     products_info = Dict{Product,Any}(p1, p2)
-    @test sort(products_info) == [p2, p1]
+    @test sort(products_info) == [p1, p2]
 
     temp_prefix() do prefix
         # Test that basic satisfication is not guaranteed