1 files changed, 52 insertions, 0 deletions
diff --git a/nixos/modules/installer/tools/nixos-typecheck.sh b/nixos/modules/installer/tools/nixos-typecheck.sh
new file mode 100644
index 00000000000..f9557be0c50
--- /dev/null
+++ b/nixos/modules/installer/tools/nixos-typecheck.sh
@@ -0,0 +1,52 @@
+#! /bin/sh
+#! @shell@
+
+if [ -x "@shell@" ]; then export SHELL="@shell@"; fi;
+
+set -e
+
+showSyntax() {
+cat >&1 << EOF
+nixos-typecheck
+usage:
+  nixos-typecheck [action] [args]
+where:
+  action = silent | printAll | printUnspecified | getSpecs
+    with default action: printUnspecified
+  args = any argument supported by nix-build
+EOF
+}
+
+
+# Parse the command line.
+extraArgs=()
+action=printUnspecified
+
+while [ "$#" -gt 0 ]; do
+    i="$1"; shift 1
+    case "$i" in
+      --help)
+        showSyntax
+        ;;
+      silent|printAll|printUnspecified|getSpecs)
+        action="$i"
+        ;;
+      *)
+        extraArgs="$extraArgs $i"
+        ;;
+    esac
+done
+
+
+if [ "$action" = silent ]; then
+    nix-build --no-out-link '<nixpkgs/nixos>' -A typechecker.silent $extraArgs
+elif [ "$action" = printAll ]; then
+    nix-build --no-out-link '<nixpkgs/nixos>' -A typechecker.printAll $extraArgs
+elif [ "$action" = printUnspecified ]; then
+    nix-build --no-out-link '<nixpkgs/nixos>' -A typechecker.printUnspecified $extraArgs
+elif [ "$action" = getSpecs ]; then
+    ln -s $(nix-build --no-out-link '<nixpkgs/nixos>' -A typechecker.specifications $extraArgs)/share/doc/nixos/options-specs.json specifications.json
+else
+    showSyntax
+    exit 1
+fi