terminfo: symlink terminfo to /etc for ncurses

1 files changed, 33 insertions, 0 deletions

diff --git a/nixos/modules/config/terminfo.nix b/nixos/modules/config/terminfo.nix
new file mode 100644
index 000000000000..4fd6ba5ea605
--- /dev/null
+++ b/nixos/modules/config/terminfo.nix
@@ -0,0 +1,33 @@
+# This module manages the terminfo database
+# and its integration in the system.
+{ config, ... }:
+{
+  config = {
+
+    environment.pathsToLink = [
+      "/share/terminfo"
+    ];
+
+    environment.etc."terminfo" = {
+      source = "${config.system.path}/share/terminfo";
+    };
+
+    environment.profileRelativeEnvVars = {
+      TERMINFO_DIRS = [ "/share/terminfo" ];
+    };
+
+    environment.extraInit = ''
+
+      # reset TERM with new TERMINFO available (if any)
+      export TERM=$TERM
+    '';
+
+    security.sudo.extraConfig = ''
+
+      # Keep terminfo database for root and %wheel.
+      Defaults:root,%wheel env_keep+=TERMINFO_DIRS
+      Defaults:root,%wheel env_keep+=TERMINFO
+    '';
+
+  };
+}