Provide argvWrapper

bsc/garlic/argv.nix

@@ -0,0 +1,25 @@
+{
+  stdenv
+}:
+
+{
+  app
+, argv # bash array as string, example: argv=''(-f "file with spaces" -t 10)''
+}:
+
+stdenv.mkDerivation {
+  inherit argv;
+  name = "${app.name}-argv";
+  preferLocalBuild = true;
+  phases = [ "installPhase" ];
+  dontPatchShebangs = true;
+  installPhase = ''
+    mkdir -p $out/bin
+    cat > $out/bin/run <<EOF
+    #!/bin/sh
+    argv=${argv}
+    exec ${app}/bin/run \''${argv[@]}
+    EOF
+    chmod +x $out/bin/run
+  '';
+}