do not overwrite prepare if it already existed

1 files changed, 11 insertions, 7 deletions

diff --git a/core/libgpg-error/PKGBUILD b/core/libgpg-error/PKGBUILD
index 304d11ab..e6bb70dd 100644
--- a/core/libgpg-error/PKGBUILD
+++ b/core/libgpg-error/PKGBUILD
@@ -1,9 +1,13 @@
 # gawk namspace conflict, see FS#63761
 
-prepare() {
-  cd ${pkgname}-${pkgver}
-  sed -i \
-  -e "s/namespace/varerrno/g" \
-  src/{Makefile.am,mkstrtable.awk}
-  ./autogen.sh
-}
+eval "$(
+  {
+    declare -f prepare || \
+    printf 'prepare() {\n}\n'
+  } \
+  | sed '
+    $i cd "${srcdir}/${pkgname}-${pkgver}" \
+       sed -i -e "s/namespace/varerrno/g" src/{Makefile.am,mkstrtable.awk} \
+       ./autogen.sh
+  '
+)"