From 24e35adeb4ef6be89be717bdaa7d8ce2118f8a94 Mon Sep 17 00:00:00 2001
From: Darren Chan <74682667+chandarrengoog@users.noreply.github.com>
Date: Thu, 27 May 2021 16:14:01 -0400
Subject: [PATCH] Canonicalize fuchsia runner debug symbol path.
 (flutter/engine#26426)

---
 .../tools/fuchsia/fuchsia_debug_symbols.gni   | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/engine/src/flutter/tools/fuchsia/fuchsia_debug_symbols.gni b/engine/src/flutter/tools/fuchsia/fuchsia_debug_symbols.gni
index bc604be523f..5d624b6f860 100644
--- a/engine/src/flutter/tools/fuchsia/fuchsia_debug_symbols.gni
+++ b/engine/src/flutter/tools/fuchsia/fuchsia_debug_symbols.gni
@@ -23,6 +23,46 @@ template("_copy_debug_symbols") {
 
     sources = [ binary_path ]
 
+    _dest_base = "${root_out_dir}/.build-id"
+
+    args = [
+      "--executable-name",
+      target_name,
+      "--executable-path",
+      rebase_path(binary_path),
+      "--destination-base",
+      rebase_path(_dest_base),
+      "--read-elf",
+      rebase_path("//buildtools/${host_os}-${host_cpu}/clang/bin/llvm-readelf"),
+    ]
+
+    if (unstripped) {
+      args += [ "--unstripped" ]
+    }
+
+    outputs = [ "${_dest_base}/.${target_name}_success" ]
+
+    if (!defined(deps)) {
+      deps = []
+    }
+    deps += [ ":${target_name}_soft_transition" ]
+  }
+
+  # TODO(fxbug.dev/76223): Soft transition recipes/engine.py to used
+  # canonicalized debug symbol name and then remove.
+  action(target_name + "_soft_transition") {
+    forward_variables_from(invoker,
+                           [
+                             "deps",
+                             "unstripped",
+                             "binary_path",
+                             "testonly",
+                           ])
+
+    script = "//flutter/tools/fuchsia/copy_debug_symbols.py"
+
+    sources = [ binary_path ]
+
     _dest_base = "${root_out_dir}/flutter-debug-symbols-${flutter_runtime_mode}-${target_os}-${target_cpu}"
 
     args = [