From 2daf5647b6961ff6281d5c89b50783e5258a6b4b Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 5 Mar 2020 10:12:42 +0100
Subject: do not overwrite prepare if it already existed

---
 extra/mutter/PKGBUILD | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'extra/mutter/PKGBUILD')

diff --git a/extra/mutter/PKGBUILD b/extra/mutter/PKGBUILD
index 60ceb6fa..8a8a4f44 100644
--- a/extra/mutter/PKGBUILD
+++ b/extra/mutter/PKGBUILD
@@ -9,9 +9,14 @@ eval "$(
 source+=(fix-build.diff)
 sha256sums+=('28aa24daed161f2566ca2b159beb43285184c533956b851a7eb318de741da935')
 
-prepare() {
-  cd $pkgname
-
-  # fix build with libglvnd's EGL headers
-  git apply -3 ../fix-build.diff
-}
+eval "$(
+  {
+    declare -f prepare || \
+    printf 'prepare() {\n}\n'
+  } \
+  | sed '
+    $i cd "$srcdir/$pkgname" \
+       # fix build with libglvnd's EGL headers \
+       git apply -3 ../fix-build.diff
+  '
+)"
-- 
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