From d124858efebc9b027f271d75cc32523dca84485a Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <pavol@rusnak.io>
Date: Sun, 27 Oct 2019 14:17:02 +0100
Subject: [PATCH] trezor-udev-rules: init at unstable-2019-07-17

---
 nixos/modules/services/hardware/trezord.nix   | 15 +--------
 .../python-modules/trezor/default.nix         |  3 +-
 .../linux/trezor-udev-rules/default.nix       | 33 +++++++++++++++++++
 pkgs/servers/trezord/default.nix              |  4 ++-
 pkgs/top-level/all-packages.nix               |  2 ++
 5 files changed, 41 insertions(+), 16 deletions(-)
 create mode 100644 pkgs/os-specific/linux/trezor-udev-rules/default.nix

diff --git a/nixos/modules/services/hardware/trezord.nix b/nixos/modules/services/hardware/trezord.nix
index 62824ed7350a..561106c41626 100644
--- a/nixos/modules/services/hardware/trezord.nix
+++ b/nixos/modules/services/hardware/trezord.nix
@@ -44,20 +44,7 @@ in {
   ### implementation
 
   config = mkIf cfg.enable {
-    services.udev.packages = lib.singleton (pkgs.writeTextFile {
-      name = "trezord-udev-rules";
-      destination = "/etc/udev/rules.d/51-trezor.rules";
-      text = ''
-        # TREZOR v1 (One)
-        SUBSYSTEM=="usb", ATTR{idVendor}=="534c", ATTR{idProduct}=="0001", MODE="0660", GROUP="trezord", TAG+="uaccess", SYMLINK+="trezor%n"
-        KERNEL=="hidraw*", ATTRS{idVendor}=="534c", ATTRS{idProduct}=="0001", MODE="0660", GROUP="trezord", TAG+="uaccess"
-
-        # TREZOR v2 (T)
-        SUBSYSTEM=="usb", ATTR{idVendor}=="1209", ATTR{idProduct}=="53c0", MODE="0660", GROUP="trezord", TAG+="uaccess", SYMLINK+="trezor%n"
-        SUBSYSTEM=="usb", ATTR{idVendor}=="1209", ATTR{idProduct}=="53c1", MODE="0660", GROUP="trezord", TAG+="uaccess", SYMLINK+="trezor%n"
-        KERNEL=="hidraw*", ATTRS{idVendor}=="1209", ATTRS{idProduct}=="53c1", MODE="0660", GROUP="trezord", TAG+="uaccess"
-      '';
-    });
+    services.udev.packages = [ pkgs.trezor-udev-rules ];
 
     systemd.services.trezord = {
       description = "TREZOR Bridge";
diff --git a/pkgs/development/python-modules/trezor/default.nix b/pkgs/development/python-modules/trezor/default.nix
index 078727ddc9ac..cdf29cb565d3 100644
--- a/pkgs/development/python-modules/trezor/default.nix
+++ b/pkgs/development/python-modules/trezor/default.nix
@@ -11,6 +11,7 @@
 , libusb1
 , rlp
 , shamir-mnemonic
+, trezor-udev-rules
 }:
 
 buildPythonPackage rec {
@@ -24,7 +25,7 @@ buildPythonPackage rec {
     sha256 = "cd8aafd70a281daa644c4a3fb021ffac20b7a88e86226ecc8bb3e78e1734a184";
   };
 
-  propagatedBuildInputs = [ typing-extensions protobuf hidapi ecdsa mnemonic requests pyblake2 click construct libusb1 rlp shamir-mnemonic ];
+  propagatedBuildInputs = [ typing-extensions protobuf hidapi ecdsa mnemonic requests pyblake2 click construct libusb1 rlp shamir-mnemonic trezor-udev-rules ];
 
   checkInputs = [
     pytest
diff --git a/pkgs/os-specific/linux/trezor-udev-rules/default.nix b/pkgs/os-specific/linux/trezor-udev-rules/default.nix
new file mode 100644
index 000000000000..c2be81373768
--- /dev/null
+++ b/pkgs/os-specific/linux/trezor-udev-rules/default.nix
@@ -0,0 +1,33 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "trezor-udev-rules";
+  version = "unstable-2019-07-17";
+
+  udevRules = fetchurl {
+    # let's pin the latest commit in the repo which touched the udev rules file
+    url = "https://raw.githubusercontent.com/trezor/trezor-firmware/68a3094b0a8e36b588b1bcb58c34a2c9eafc0dca/common/udev/51-trezor.rules";
+    sha256 = "0vlxif89nsqpbnbz1vwfgpl1zayzmq87gw1snskn0qns6x2rpczk";
+  };
+
+  dontUnpack = true;
+
+  installPhase = ''
+    cp ${udevRules} 51-trezor.rules
+    mkdir -p $out/lib/udev/rules.d
+    # we use trezord group, not plugdev
+    # we don't need the udev-acl tag
+    substituteInPlace 51-trezor.rules \
+      --replace 'GROUP="plugdev"' 'GROUP="trezord"' \
+      --replace ', TAG+="udev-acl"' ""
+    cp 51-trezor.rules $out/lib/udev/rules.d/51-trezor.rules
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Udev rules for Trezor";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ prusnak ];
+    platforms = platforms.linux;
+    homepage = "https://github.com/trezor/trezor-firmware/tree/master/common/udev";
+  };
+}
diff --git a/pkgs/servers/trezord/default.nix b/pkgs/servers/trezord/default.nix
index 38fefd041bdd..134d36258a56 100644
--- a/pkgs/servers/trezord/default.nix
+++ b/pkgs/servers/trezord/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildGoPackage, fetchFromGitHub }:
+{ stdenv, buildGoPackage, fetchFromGitHub, trezor-udev-rules }:
 
 buildGoPackage rec {
   pname = "trezord-go";
@@ -13,6 +13,8 @@ buildGoPackage rec {
     sha256 = "00d90qmmk1pays78a2jm8gb7dncvlsjjn4033q1yd1ii3fxc6nh8";
   };
 
+  propagatedBuildInputs = [ trezor-udev-rules ];
+
   meta = with stdenv.lib; {
     description = "TREZOR Communication Daemon aka TREZOR Bridge";
     homepage = "https://trezor.io";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f2a80fdc0b64..5c34d88d0b9b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6643,6 +6643,8 @@ in
 
   tpm2-tools = callPackage ../tools/security/tpm2-tools { };
 
+  trezor-udev-rules = callPackage ../os-specific/linux/trezor-udev-rules {};
+
   trezord = callPackage ../servers/trezord { };
 
   tthsum = callPackage ../applications/misc/tthsum { };