From 791e0d22f99b8d24d9e1156ff0609715ff23f98b Mon Sep 17 00:00:00 2001
From: "Benjamin A. Beasley" <code@musicinmybrain.net>
Date: Fri, 20 Aug 2021 12:25:27 -0400
Subject: [PATCH] Spiff up shebang-fixing snippet

---
 grpc.spec | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/grpc.spec b/grpc.spec
index 78a36b7..d1534da 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -672,15 +672,10 @@ find . -type f -name .gitignore -print -delete
 
 echo '===== Fixing shebangs =====' 2>&1
 # Find executables with /usr/bin/env shebangs in the examples, and fix them.
-find examples -type f -perm /0111 |
-  while read -r fn
-  do
-    if head -n 1 "${fn}" | grep -E '^#!/usr/bin/env[[:blank:]]'
-    then
-      sed -r -i '1{s|^(#!/usr/bin/)env[[:blank:]]+([^[:blank:]]+)|\1\2|}' \
-          "${fn}"
-    fi
-  done
+find . -type f -perm /0111 -exec gawk \
+    '/^#!\/usr\/bin\/env[[:blank:]]/ { print FILENAME }; { nextfile }' \
+    '{}' '+' |
+  xargs -r sed -r -i '1{s|^(#!/usr/bin/)env[[:blank:]]+([^[:blank:]]+)|\1\2|}' \
 
 echo '===== Fixing line endings =====' 2>&1
 # Fix some CRNL line endings: