1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/build-support/wrapper-common/utils.bash b/pkgs/build-support/wrapper-common/utils.bash
index 44b44818c8ed9..2faf96df15b40 100644
--- a/pkgs/build-support/wrapper-common/utils.bash
+++ b/pkgs/build-support/wrapper-common/utils.bash
@@ -84,12 +84,17 @@ mangleVarSingle() {
     done
 }
 
-skip () {
+skip() {
     if (( "${NIX_DEBUG:-0}" >= 1 )); then
         echo "skipping impure path $1" >&2
     fi
 }
 
+reject() {
+    echo "impure path \`$1' used in link" >&2
+    exit 1
+}
+
 
 # Checks whether a path is impure.  E.g., `/lib/foo.so' is impure, but
 # `/nix/store/.../lib/foo.so' isn't.