[Nix-dev] Making stdenv/setup.sh more verbose

[Michael Raskin]

>Review the attached patch, please.

Looks like a strict improvement..

>-            mkdir -p "$out/nix-support"
>+            mkdir -pv "$out/nix-support"

>-        if ! [ -x "$dir" ]; then mkdir -p "$dir"; fi
>+        if ! [ -x "$dir" ]; then mkdir -pv "$dir"; fi

>-    mkdir -p $out/bin
>-    cp "$@" $out/bin
>+    mkdir -pv $out/bin
>+    cp -v "$@" $out/bin

>-    mkdir -p "$prefix"
>+    mkdir -pv "$prefix"

>-        mkdir -p "$out/nix-support"
>-        echo "$propagatedBuildInputs" > "$out/nix-support/propagated-build-inputs"
>+        mkdir -pv "$out/nix-support"
>+		echo -n "Propagated build inputs: "
>+        echo "$propagatedBuildInputs" | tee "$out/nix-support/propagated-build-inputs"

>-        mkdir -p "$out/nix-support"
>-        echo "$propagatedBuildNativeInputs" > "$out/nix-support/propagated-build-native-inputs"
>+        mkdir -pv "$out/nix-support"
>+		echo -n "Propagated build native inputs: "
>+        echo "$propagatedBuildNativeInputs" | tee "$out/nix-support/propagated-build-native-inputs"

>-        mkdir -p "$out/tarballs"
>+        mkdir -pv "$out/tarballs"