uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/tools/diesel-cli/default.nix

@@ -0,0 +1,82 @@
+{ lib
+, sqliteSupport ? true
+, postgresqlSupport ? true
+, mysqlSupport ? true
+, rustPlatform
+, fetchCrate
+, installShellFiles
+, pkg-config
+, openssl
+, stdenv
+, Security
+, libiconv
+, sqlite
+, postgresql
+, mariadb
+, zlib
+}:
+
+assert lib.assertMsg (sqliteSupport == true || postgresqlSupport == true || mysqlSupport == true)
+  "support for at least one database must be enabled";
+
+let
+  inherit (lib) optional optionals optionalString;
+in
+
+rustPlatform.buildRustPackage rec {
+  pname = "diesel-cli";
+  version = "1.4.1";
+
+  src = fetchCrate {
+    inherit version;
+    crateName = "diesel_cli";
+    sha256 = "sha256-mRdDc4fHMkwkszY+2l8z1RSNMEQnrWI5/Y0Y2W+guQE=";
+  };
+
+  cargoSha256 = "sha256-sQ762Ss31sA5qALHzwkvwbfRXo00cCtqzQyoz3/zf6I=";
+
+  nativeBuildInputs = [ installShellFiles pkg-config ];
+
+  buildInputs = [ openssl ]
+    ++ optional stdenv.isDarwin Security
+    ++ optional (stdenv.isDarwin && mysqlSupport) libiconv
+    ++ optional sqliteSupport sqlite
+    ++ optional postgresqlSupport postgresql
+    ++ optionals mysqlSupport [ mariadb zlib ];
+
+  buildNoDefaultFeatures = true;
+  buildFeatures = optional sqliteSupport "sqlite"
+    ++ optional postgresqlSupport "postgres"
+    ++ optional mysqlSupport "mysql";
+
+  checkPhase = ''
+    runHook preCheck
+  '' + optionalString sqliteSupport ''
+    cargo check --features sqlite
+  '' + optionalString postgresqlSupport ''
+    cargo check --features postgres
+  '' + optionalString mysqlSupport ''
+    cargo check --features mysql
+  '' + ''
+    runHook postCheck
+  '';
+
+  postInstall = ''
+    installShellCompletion --cmd diesel \
+      --bash <($out/bin/diesel completions bash) \
+      --fish <($out/bin/diesel completions fish) \
+      --zsh <($out/bin/diesel completions zsh)
+  '';
+
+  # Fix the build with mariadb, which otherwise shows "error adding symbols:
+  # DSO missing from command line" errors for libz and libssl.
+  NIX_LDFLAGS = optionalString mysqlSupport "-lz -lssl -lcrypto";
+
+  meta = with lib; {
+    description = "Database tool for working with Rust projects that use Diesel";
+    homepage = "https://github.com/diesel-rs/diesel/tree/master/diesel_cli";
+    license = with licenses; [ mit asl20 ];
+    maintainers = with maintainers; [ ];
+    mainProgram = "diesel";
+  };
+}