Prevent multiple calls to rust_repositories from redefining toolchains (#922)

UebelAndre · web-flow · commit 5beb773ff8a9 · 2021-09-01T06:34:32.000-07:00
diff --git a/rust/repositories.bzl b/rust/repositories.bzl
@@ -96,7 +96,8 @@ def rust_repositories(
     )
 
     for exec_triple, name in DEFAULT_TOOLCHAIN_TRIPLES.items():
-        rust_repository_set(
+        maybe(
+            rust_repository_set,
             name = name,
             exec_triple = exec_triple,
             extra_target_triples = ["wasm32-unknown-unknown", "wasm32-wasi"],

Original file line number	Diff line number	Diff line change
`@@ -96,7 +96,8 @@ def rust_repositories(`
`96`	`96`	`)`
`97`	`97`
`98`	`98`	`for exec_triple, name in DEFAULT_TOOLCHAIN_TRIPLES.items():`
`99`		`- rust_repository_set(`
	`99`	`+ maybe(`
	`100`	`+ rust_repository_set,`
`100`	`101`	`name = name,`
`101`	`102`	`exec_triple = exec_triple,`
`102`	`103`	`extra_target_triples = ["wasm32-unknown-unknown", "wasm32-wasi"],`