tv pinentry-urxvt: init

tv/5pkgs/simple/pinentry-urxvt/default.nix

@@ -0,0 +1,56 @@
+{ pkgs, ... }@args:
+
+let
+  lib = import <stockholm/lib>;
+
+  # config cannot be declared in the input attribute set because that would
+  # cause callPackage to inject the wrong config.  Instead, get it from ...
+  # via args.
+  config = args.config or {};
+
+  cfg = eval.config;
+
+  eval = lib.evalModules {
+    modules = lib.singleton {
+      _file = toString ./default.nix;
+      imports = lib.singleton config;
+      options = {
+        appName = lib.mkOption {
+          default = "pinentry-urxvt";
+          type = lib.types.str;
+        };
+        display = lib.mkOption {
+          default = ":0";
+          type = lib.types.str;
+        };
+      };
+    };
+  };
+
+
+in
+
+  pkgs.write "pinentry-urxvt" {
+    "/bin/pinentry".link = pkgs.writeDash "pinentry-urxvt-wrapper" ''
+      set -efu
+      exec 3<&0 4>&1 5>&2
+      export DISPLAY=${lib.shell.escape cfg.display}
+      exec ${pkgs.rxvt_unicode}/bin/urxvt \
+        -name ${lib.shell.escape cfg.appName} \
+        -e ${pkgs.writeDash "pinentry-urxvt-tty" ''
+          set -efu
+          exec 2>&5
+          TTY=$(${pkgs.coreutils}/bin/tty)
+          while read -r line <&3; do
+            case $line in
+              'OPTION ttyname='*)
+                echo "OPTION ttyname=$TTY"
+                ;;
+              *)
+                echo "$line"
+            esac
+          done | ${pkgs.pinentry.tty}/bin/pinentry-tty "$@" >&4
+        ''} \
+        "$@"
+    '';
+  }