do not overwrite prepare if it already existed

1 files changed, 14 insertions, 8 deletions

diff --git a/extra/devtools/PKGBUILD b/extra/devtools/PKGBUILD
index 19bd31a0..37f0da9d 100644
--- a/extra/devtools/PKGBUILD
+++ b/extra/devtools/PKGBUILD
@@ -17,14 +17,20 @@ unset b2sums
 
 makedepends+=('asciidoc')
 
-prepare() {
-  cd "${srcdir}/${pkgname}32-v${pkgver}"
-  sed -i '
-    s,\$working_dir/etc/pacman\.d/mirrorlist32,/dev/null,
-    s/mirrorlist32/mirrorlist/g
-  ' 'arch-nspawn.in'
-  sed -i 's@s,/mirrorlist\\\$\$,\\032,;\?@@' 'Makefile'
-}
+eval "$(
+  {
+    declare -f prepare || \
+    printf 'prepare() {\n}\n'
+  } \
+  | sed '
+    $i cd "${srcdir}/${pkgname}32-v${pkgver}" \
+       sed -i '"'"' \
+         s,\$working_dir/etc/pacman\.d/mirrorlist32,/dev/null, \
+         s/mirrorlist32/mirrorlist/g \
+       '"'"' '"'"'arch-nspawn.in'"'"' \
+       sed -i '"'"'s@s,/mirrorlist\\\$\$,\\032,;\?@@'"'"' '"'"'Makefile'"'"'
+  '
+)"
 
 eval "$(
   declare -f prepare build check package | \