From 70b497c3af7e299426d76d9b75900a361adc0f29 Mon Sep 17 00:00:00 2001
From: Luis Padron <lpadron@squareup.com>
Date: Tue, 17 Oct 2023 10:05:56 -0400
Subject: [PATCH] Move to using `write_file` from Bazel Skylib (#778)

---
 docs/library_doc.md | 20 --------------------
 rules/library.bzl   | 24 +++++-------------------
 rules/plists.bzl    |  6 +++---
 3 files changed, 8 insertions(+), 42 deletions(-)

diff --git a/docs/library_doc.md b/docs/library_doc.md
index 31ab9cfdf..504129253 100755
--- a/docs/library_doc.md
+++ b/docs/library_doc.md
@@ -24,26 +24,6 @@ Extends a modulemap with a Swift submodule
 | <a id="extend_modulemap-swift_header"></a>swift_header |  -   | String | optional | <code>""</code> |
 
 
-<a id="write_file"></a>
-
-## write_file
-
-<pre>
-write_file(<a href="#write_file-name">name</a>, <a href="#write_file-content">content</a>, <a href="#write_file-destination">destination</a>)
-</pre>
-
-Writes out a file verbatim
-
-**ATTRIBUTES**
-
-
-| Name  | Description | Type | Mandatory | Default |
-| :------------- | :------------- | :------------- | :------------- | :------------- |
-| <a id="write_file-name"></a>name |  A unique name for this target.   | <a href="https://bazel.build/concepts/labels#target-names">Name</a> | required |  |
-| <a id="write_file-content"></a>content |  -   | String | required |  |
-| <a id="write_file-destination"></a>destination |  -   | <a href="https://bazel.build/concepts/labels">Label</a> | required |  |
-
-
 <a id="PrivateHeadersInfo"></a>
 
 ## PrivateHeadersInfo
diff --git a/rules/library.bzl b/rules/library.bzl
index 86bac105c..8301aa668 100644
--- a/rules/library.bzl
+++ b/rules/library.bzl
@@ -3,6 +3,7 @@
 load("@bazel_skylib//lib:paths.bzl", "paths")
 load("@bazel_skylib//lib:sets.bzl", "sets")
 load("@bazel_skylib//lib:selects.bzl", "selects")
+load("@bazel_skylib//rules:write_file.bzl", "write_file")
 load("@build_bazel_rules_apple//apple:apple.bzl", "apple_dynamic_framework_import", "apple_static_framework_import")
 load("@build_bazel_rules_apple//apple/internal/resource_rules:apple_intent_library.bzl", "apple_intent_library")
 load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
@@ -45,21 +46,6 @@ _private_headers = rule(
     },
 )
 
-def _write_file_impl(ctx):
-    ctx.actions.write(
-        output = ctx.outputs.destination,
-        content = ctx.attr.content,
-    )
-
-write_file = rule(
-    implementation = _write_file_impl,
-    attrs = {
-        "content": attr.string(mandatory = True),
-        "destination": attr.output(mandatory = True),
-    },
-    doc = "Writes out a file verbatim",
-)
-
 def _extend_modulemap_impl(ctx):
     args = ctx.actions.args()
     args.add("""
@@ -120,8 +106,8 @@ module {module_name} {{
 
     write_file(
         name = basename + "~",
-        destination = destination,
-        content = content,
+        out = destination,
+        content = content.split("\n"),
         tags = _MANUAL,
     )
     return destination
@@ -170,8 +156,8 @@ FOUNDATION_EXPORT const unsigned char {module_name}VersionString[];
 
     write_file(
         name = basename + "~",
-        destination = destination,
-        content = content,
+        out = destination,
+        content = content.split("\n"),
         tags = _MANUAL,
     )
     return destination
diff --git a/rules/plists.bzl b/rules/plists.bzl
index e3532b09e..d62717373 100644
--- a/rules/plists.bzl
+++ b/rules/plists.bzl
@@ -4,8 +4,8 @@ Defines macros for working with plist files.
 
 load("@bazel_skylib//lib:types.bzl", "types")
 load("@bazel_skylib//lib:sets.bzl", "sets")
+load("@bazel_skylib//rules:write_file.bzl", "write_file")
 load("@build_bazel_rules_ios//rules:substitute_build_settings.bzl", "substitute_build_settings")
-load("//rules:library.bzl", "write_file")
 load("//rules/library:xcconfig.bzl", "build_setting_name", "merge_xcconfigs")
 
 def process_infoplists(name, infoplists, infoplists_by_build_setting, xcconfig, xcconfig_by_build_setting):
@@ -109,8 +109,8 @@ def write_info_plists_if_needed(name, plists):
             plist_name = "{name}.infoplist.{idx}".format(name = name, idx = idx)
             write_file(
                 name = plist_name,
-                destination = plist_name + ".plist",
-                content = struct(**plist).to_json(),
+                out = plist_name + ".plist",
+                content = [struct(**plist).to_json()],
             )
             written_plists.append(plist_name)
         else: