From 451f26754eeb2c4002984873774414caab1cfd57 Mon Sep 17 00:00:00 2001
From: Christopher Sauer <cpsauer@users.noreply.github.com>
Date: Sun, 3 Apr 2022 10:11:23 -0700
Subject: [PATCH] Remove legacy proto code for Bazel < 0.21 (#3099)

---
 proto/compiler.bzl | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/proto/compiler.bzl b/proto/compiler.bzl
index 86c8674be8..a84e54dbcf 100644
--- a/proto/compiler.bzl
+++ b/proto/compiler.bzl
@@ -143,21 +143,6 @@ def proto_path(src, proto):
     Returns:
         An import path string.
     """
-    if not hasattr(proto, "proto_source_root"):
-        # Legacy path. Remove when Bazel minimum version >= 0.21.0.
-        path = src.path
-        root = src.root.path
-        ws = src.owner.workspace_root
-        if path.startswith(root):
-            path = path[len(root):]
-        if path.startswith("/"):
-            path = path[1:]
-        if path.startswith(ws):
-            path = path[len(ws):]
-        if path.startswith("/"):
-            path = path[1:]
-        return path
-
     if proto.proto_source_root == ".":
         # true if proto sources were generated
         prefix = src.root.path + "/"