1 files changed, 188 insertions, 0 deletions
diff --git a/tv/configs/base.nix b/tv/configs/base.nix
new file mode 100644
index 000000000..06f83ea9e
--- /dev/null
+++ b/tv/configs/base.nix
@@ -0,0 +1,188 @@
+{ config, lib, pkgs, ... }:
+
+with builtins;
+with lib;
+
+let
+  # "7.4.335" -> "74"
+  majmin = x: concatStrings (take 2 (splitString "." x));
+in
+
+{
+  krebs.enable = true;
+  krebs.search-domain = "retiolum";
+
+  networking.hostName = config.krebs.build.host.name;
+
+  imports = [
+    {
+      users.extraUsers =
+        mapAttrs (_: h: { hashedPassword = h; })
+                 (import /root/src/secrets/hashedPasswords.nix);
+    }
+    {
+      users.defaultUserShell = "/run/current-system/sw/bin/bash";
+      users.mutableUsers = false;
+    }
+    {
+      users.extraUsers = {
+        root = {
+          openssh.authorizedKeys.keys = [
+            config.krebs.users.tv.pubkey
+          ];
+        };
+        tv = {
+          uid = 1337;
+          group = "users";
+          home = "/home/tv";
+          createHome = true;
+          useDefaultShell = true;
+          extraGroups = [
+            "audio"
+            "video"
+            "wheel"
+          ];
+          openssh.authorizedKeys.keys = [
+            config.krebs.users.tv.pubkey
+          ];
+        };
+      };
+    }
+    {
+      security.sudo.extraConfig = ''
+        Defaults mailto="${config.krebs.users.tv.mail}"
+      '';
+      time.timeZone = "Europe/Berlin";
+    }
+    {
+      # TODO check if both are required:
+      nix.chrootDirs = [ "/etc/protocols" pkgs.iana_etc.outPath ];
+
+      nix.trustedBinaryCaches = [
+        "https://cache.nixos.org"
+        "http://cache.nixos.org"
+        "http://hydra.nixos.org"
+      ];
+
+      nix.useChroot = true;
+    }
+    {
+      # oldvim
+      environment.systemPackages = with pkgs; [
+        vim
+      ];
+
+      environment.etc."vim/vimrc".text = ''
+        set nocp
+      '';
+
+      environment.etc."vim/vim${majmin pkgs.vim.version}".source =
+          "${pkgs.vim}/share/vim/vim${majmin pkgs.vim.version}";
+
+      # multiple-definition-problem when defining environment.variables.EDITOR
+      environment.extraInit = ''
+        EDITOR=vim
+      '';
+
+      environment.variables.VIM = "/etc/vim";
+    }
+    {
+      environment.systemPackages = with pkgs; [
+        rxvt_unicode.terminfo
+      ];
+
+      environment.shellAliases = {
+        # alias cal='cal -m3'
+        gp = "${pkgs.pari}/bin/gp -q";
+        df = "df -h";
+        du = "du -h";
+        # alias grep='grep --color=auto'
+
+        # TODO alias cannot contain #\'
+        # "ps?" = "ps ax | head -n 1;ps ax | fgrep -v ' grep --color=auto ' | grep";
+
+        # alias la='ls -lA'
+        lAtr = "ls -lAtr";
+        # alias ll='ls -l'
+        ls = "ls -h --color=auto --group-directories-first";
+        # alias vim='vim -p'
+        # alias vi='vim'
+        # alias view='vim -R'
+        dmesg = "dmesg -L --reltime";
+      };
+
+      programs.bash = {
+        interactiveShellInit = ''
+          HISTCONTROL='erasedups:ignorespace'
+          HISTSIZE=65536
+          HISTFILESIZE=$HISTSIZE
+
+          shopt -s checkhash
+          shopt -s histappend histreedit histverify
+          shopt -s no_empty_cmd_completion
+          complete -d cd
+
+          ${readFile ./bash_completion.sh}
+
+          # TODO source bridge
+        '';
+        promptInit = ''
+          case $UID in
+            0)
+              PS1='\[\e[1;31m\]\w\[\e[0m\] '
+              ;;
+            1337)
+              PS1='\[\e[1;32m\]\w\[\e[0m\] '
+              ;;
+            *)
+              PS1='\[\e[1;35m\]\u \[\e[1;32m\]\w\[\e[0m\] '
+              ;;
+          esac
+          if test -n "$SSH_CLIENT"; then
+            PS1='\[\e[35m\]\h'" $PS1"
+          fi
+          if test -n "$SSH_AGENT_PID"; then
+            PS1="ssh-agent[$SSH_AGENT_PID] $PS1"
+          fi
+        '';
+      };
+
+      programs.ssh.startAgent = false;
+    }
+
+    {
+      nixpkgs.config.packageOverrides = pkgs:
+        {
+          nano = pkgs.runCommand "empty" {} "mkdir -p $out";
+        };
+
+      services.cron.enable = false;
+      services.nscd.enable = false;
+      services.ntp.enable = false;
+    }
+
+    {
+      boot.kernel.sysctl = {
+        # Enable IPv6 Privacy Extensions
+        "net.ipv6.conf.all.use_tempaddr" = 2;
+        "net.ipv6.conf.default.use_tempaddr" = 2;
+      };
+    }
+
+    {
+      services.openssh = {
+        enable = true;
+        hostKeys = [
+          { type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+        ];
+      };
+    }
+
+    {
+      # TODO: exim
+      security.setuidPrograms = [
+        "sendmail"  # for sudo
+      ];
+    }
+  ];
+}