From b8a1d3163d0fe93775b814e0e621069beda9a716 Mon Sep 17 00:00:00 2001
From: Brian Hicks <brian@brianthicks.com>
Date: Fri, 5 May 2023 08:07:52 -0500
Subject: [PATCH] add elm-format info to the toolchain

---
 prelude-nri/elm/toolchain.bzl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/prelude-nri/elm/toolchain.bzl b/prelude-nri/elm/toolchain.bzl
index 1ee783b5..16653856 100644
--- a/prelude-nri/elm/toolchain.bzl
+++ b/prelude-nri/elm/toolchain.bzl
@@ -1,6 +1,7 @@
 ElmToolchainInfo = provider(fields = [
     "elm",
     "isolated_compile",
+    "elm_format",
 ])
 
 def _system_elm_toolchain_impl(ctx) -> [[DefaultInfo.type, ElmToolchainInfo.type]]:
@@ -12,6 +13,7 @@ def _system_elm_toolchain_impl(ctx) -> [[DefaultInfo.type, ElmToolchainInfo.type
         DefaultInfo(),
         ElmToolchainInfo(
             elm = RunInfo(args = ["elm"]),
+            elm_format = RunInfo(args = ["elm-format"]),
             isolated_compile = ctx.attrs._isolated_compile,
         ),
     ]
@@ -33,6 +35,7 @@ def _elm_toolchain_impl(ctx: "context") -> [[DefaultInfo.type, ElmToolchainInfo.
         DefaultInfo(),
         ElmToolchainInfo(
             elm = ctx.attrs.elm[RunInfo],
+            elm_format = ctx.attrs.elm_format[RunInfo],
             isolated_compile = ctx.attrs._isolated_compile,
         ),
     ]
@@ -44,6 +47,10 @@ elm_toolchain = rule(
             providers = [RunInfo],
             default = "prelude-nri//elm:elm_compiler_binary",
         ),
+        "elm_format": attrs.dep(
+            providers = [RunInfo],
+            default = "prelude-nri//elm:elm_format_binary",
+        ),
         "_isolated_compile": attrs.dep(default = "prelude-nri//elm:isolated_compile.py"),
     },
     is_toolchain_rule = True,