And suddenly all artifacts are potentially lazy

Author: vchuravy

src/toplevel_generators.jl

@@ -28,7 +28,7 @@ function generate_imports(src_name)
         # Use slow Pkg-based Artifacts
         return quote
             using Libdl, Pkg, Pkg.BinaryPlatforms, Pkg.Artifacts
-            using Pkg.Artifacts: load_artifacts_toml, unpack_platform
+            using Pkg.Artifacts: load_artifacts_toml, unpack_platform, ensure_artifact_installed
             using Pkg.BinaryPlatforms: triplet, select_platform
             HostPlatform() = platform_key_abi()
             if !@isdefined(augment_platform!)
@@ -41,6 +41,7 @@ function generate_imports(src_name)
             using Libdl, Artifacts, JLLWrappers.Preferences, Base.BinaryPlatforms
             using Artifacts: load_artifacts_toml, unpack_platform
             using Base.BinaryPlatforms: triplet, select_platform
+            using Pkg.Artifacts: ensure_artifact_installed
             if !@isdefined(augment_platform!)
                 augment_platform!(platform) = platform
             end
@@ -128,8 +129,8 @@ function generate_wrapper_load(src_name, pkg_uuid, __source__)
         # a `let` block here to avoid storing unnecessary data in our `.ji` files
 
         const host_platform = augment_platform!(HostPlatform())
+        const artifacts_toml = joinpath($(pkg_dir), "..", "Artifacts.toml")
         best_wrapper = let
-            artifacts_toml = joinpath($(pkg_dir), "..", "Artifacts.toml")
             valid_wrappers = Dict{Platform,String}()
             artifacts = load_artifacts_toml(artifacts_toml; pkg_uuid=$(pkg_uuid))[$(src_name)]
 
@@ -175,6 +176,8 @@ function generate_wrapper_load(src_name, pkg_uuid, __source__)
             @debug(string("Unable to load ", $(src_name), "; unsupported platform ", triplet(host_platform)))
             is_available() = false
         else
+            # FIXME: This is horrid
+            ensure_artifact_installed($(src_name), artifacts_toml; platform=host_platform, pkg_uuid=$(pkg_uuid))
             Base.include($(Symbol("$(src_name)_jll")), best_wrapper)
             is_available() = true
         end