third_party/gazelle/add-prepatching.patch

From cdcf80bafba0ff61527a710899002936e2b117d6 Mon Sep 17 00:00:00 2001
From: Lorenz Brun <lorenz@monogon.tech>
Date: Thu, 31 Aug 2023 15:52:06 +0200
Subject: [PATCH] Add support for prepatching

---
 internal/go_repository.bzl | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/internal/go_repository.bzl b/internal/go_repository.bzl
index cb0ac74..5a2a9e2 100644
--- a/internal/go_repository.bzl
+++ b/internal/go_repository.bzl
@@ -257,6 +257,11 @@ def _go_repository_impl(ctx):
         if ctx.attr.debug_mode and result.stderr:
             print("fetch_repo: " + result.stderr)
 
+    # TODO(lorenz): Replace this with patch() once the patches argument no longer gets merged with
+    # the attribute pulled from ctx.
+    for p in ctx.attr.pre_patches:
+        ctx.patch(p, 1)
+
     # Repositories are fetched. Determine if build file generation is needed.
     build_file_names = ctx.attr.build_file_name.split(",")
     existing_build_file = ""
@@ -538,6 +543,11 @@ go_repository = repository_rule(
             Gazelle directives.""",
         ),
 
+        # Patches to apply before running gazelle.
+        "pre_patches": attr.label_list(
+            doc = "A list of patches to apply to the repository before gazelle runs.",
+        ),
+
         # Patches to apply after running gazelle.
         "patches": attr.label_list(
             doc = "A list of patches to apply to the repository after gazelle runs.",
-- 
2.41.0