Add use_worker attribute to Haskell toolchain

The worker is not used by default, it needs to be enabled explicitly.
MercuryTechnologies · Nov 7, 2024 · cc041b6 · cc041b6
1 parent c5f2f58
commit cc041b6
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diff --git a/haskell/haskell.bzl b/haskell/haskell.bzl
@@ -1510,6 +1510,9 @@ def _persistent_worker(ctx: AnalysisContext) -> WorkerInfo | None:
     if ctx.label.cell == "prelude":
         return None
 
+    if not ctx.attrs._haskell_toolchain[HaskellToolchainInfo].use_worker:
+        return None
+
     worker_target = ctx.actions.anon_target(
         worker,
         {

diff --git a/haskell/toolchain.bzl b/haskell/toolchain.bzl
@@ -40,6 +40,7 @@ HaskellToolchainInfo = provider(
         "cache_links": provider_field(typing.Any, default = None),
         "script_template_processor": provider_field(typing.Any, default = None),
         "packages": provider_field(typing.Any, default = None),
+        "use_worker": provider_field(bool, default = False),
     },
 )