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-rw-r--r--pkgs/stdenv/generic/setup.sh2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index ce83b1f6961..c3b9033b49a 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -103,6 +103,7 @@ fi
 
 # Execute the pre-hook.
 export SHELL=@shell@
+export CONFIG_SHELL="$SHELL"
 if [ -z "$shell" ]; then export shell=@shell@; fi
 runHook preHook
 
@@ -120,6 +121,7 @@ fi
 
 # Ensure that the given directories exists.
 ensureDir() {
+    echo "warning: ‘ensureDir’ is deprecated; use ‘mkdir’ instead" >&2
     local dir
     for dir in "$@"; do
         if ! [ -x "$dir" ]; then mkdir -p "$dir"; fi