1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/rust/rustc-wrapper/rustc-wrapper.sh b/nixpkgs/pkgs/build-support/rust/rustc-wrapper/rustc-wrapper.sh
new file mode 100644
index 000000000000..e33cc3e2a025
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/rust/rustc-wrapper/rustc-wrapper.sh
@@ -0,0 +1,29 @@
+#!@shell@
+
+defaultSysroot=(@sysroot@)
+
+for arg; do
+    case "$arg" in
+        --sysroot|--sysroot=*)
+            defaultSysroot=()
+            ;;
+        --)
+            break
+            ;;
+    esac
+done
+
+extraBefore=(@defaultArgs@ "${defaultSysroot[@]}")
+extraAfter=($@extraFlagsVar@)
+
+# Optionally print debug info.
+if (( "${NIX_DEBUG:-0}" >= 1 )); then
+    echo "extra flags before to @prog@:" >&2
+    printf "  %q\n" "${extraBefore[@]}" >&2
+    echo "original flags to @prog@:" >&2
+    printf "  %q\n" "$@" >&2
+    echo "extra flags after to @prog@:" >&2
+    printf "  %q\n" "${extraAfter[@]}" >&2
+fi
+
+exec @prog@ "${extraBefore[@]}" "$@" "${extraAfter[@]}"