do not overwrite prepare if it already existed

1 files changed, 12 insertions, 7 deletions

diff --git a/community/haskell-gauge/PKGBUILD b/community/haskell-gauge/PKGBUILD
index a5bd662e..eeba4490 100644
--- a/community/haskell-gauge/PKGBUILD
+++ b/community/haskell-gauge/PKGBUILD
@@ -1,10 +1,15 @@
 # temporarily disabled 'verbose' test, see upstream:
 # https://github.com/vincenthz/hs-gauge/issues/54
 
-prepare() {
-    cd "${srcdir}/${_hkgname}-${pkgver}"
-
-    sed -i '/test-suite verbose/, /test-suite quick/ { s/\(.*\)/#\1/ }' gauge.cabal	
-    sed -i 's/#test-suite quick/test-suite quick/' gauge.cabal
-    sed -i '/^#.*/d' gauge.cabal
-}
+eval "$(
+  {
+    declare -f prepare || \
+    printf 'prepare() {\n}\n'
+  } \
+  | sed '
+    $i cd "${srcdir}/${_hkgname}-${pkgver}" \
+       sed -i '"'"'/test-suite verbose/, /test-suite quick/ { s/\(.*\)/#\1/ }'"'"' gauge.cabal \
+       sed -i '"'"'s/#test-suite quick/test-suite quick/'"'"' gauge.cabal \
+       sed -i '"'"'/^#.*/d'"'"' gauge.cabal
+  '
+)"