From 8e0ba1611dc87351b71e573704b3eb276f35bb1a Mon Sep 17 00:00:00 2001
From: Benjamin A. Beasley <code@musicinmybrain.net>
Date: Sep 20 2021 14:53:01 +0000
Subject: Improve shebang munging


---

diff --git a/python-graph-tool.spec b/python-graph-tool.spec
index 09814a2..bfa534e 100644
--- a/python-graph-tool.spec
+++ b/python-graph-tool.spec
@@ -139,8 +139,15 @@ Provides:       graph-tool%{?_isa} = %{version}-%{release}
 
 %prep
 %autosetup -S git -n %{modname}-%{version}
-# Remove shebangs
-find . -type f -name "*.py" -exec sed -i '/^#![  ]*\/usr\/bin\/env.*$/ d' {} 2>/dev/null ';'
+# Remove shebangs from non-script sources
+#
+# The pattern of selecting files before modifying them with sed keeps us from
+# unnecessarily discarding the original mtimes on unmodified files.
+find %{srcname} -type f -name '*.py' \
+    -exec gawk '/^#!/ { print FILENAME }; { nextfile }' '{}' '+' |
+  xargs -r sed -r -i '1{/^#!/d}'
+# Fix shebang(s) in sample script(s)
+%py3_shebang_fix doc
 
 
 %build