refactor(android): extract common.nix with sshd_config and shared Termux settings

Author: pedrobrantes

machines/aarch64/android/common.nix

@@ -0,0 +1,34 @@
+{ config, pkgs, lib, ... }:
+
+{
+  home.file.".ssh/sshd_config" = {
+    text = ''
+      Port 8022
+      HostKey ${config.home.homeDirectory}/.ssh/id_ed25519
+      AuthorizedKeysFile .ssh/authorized_keys
+      PasswordAuthentication yes
+      PermitEmptyPasswords no
+      ChallengeResponseAuthentication no
+      PrintMotd no
+      AcceptEnv LANG LC_*
+    '';
+  };
+
+  home.file.".termux/boot/start-sshd.sh" = {
+    text = ''
+      #!/bin/sh
+      if ! pgrep -x "sshd" > /dev/null; then
+        ${pkgs.openssh}/bin/sshd -f ${config.home.homeDirectory}/.ssh/sshd_config
+      fi
+    '';
+    executable = true;
+  };
+
+  xdg.configFile."nix/nix.conf".text = ''
+    sandbox = false
+    connect-timeout = 20
+    max-jobs = 1
+  '';
+
+  programs.udocker.enable = true;
+}

machines/aarch64/android/smartphone/default.nix

@@ -4,7 +4,10 @@ let
   hostName = "aarch64.android.smartphone";
 in
 {
-  imports = [ ../../../../home.nix ];
+  imports = [
+    ../../../../home.nix
+    ../common.nix
+  ];
 
   home.username = "brantes";
   home.homeDirectory = "/home/brantes";
@@ -24,32 +27,14 @@ in
   programs.zsh.initExtra = ''
     export PROMPT="%F{yellow}%n%f@%F{green}${hostName}%f:%F{blue}%~%f%# "
     if ! pgrep -x "sshd" > /dev/null; then
-      ${pkgs.openssh}/bin/sshd -p 8022
+      ${pkgs.openssh}/bin/sshd -f ${config.home.homeDirectory}/.ssh/sshd_config
     fi
   '';
 
   programs.bash.initExtra = ''
     export PS1="\[\033[01;33m\]\u\[\033[00m\]@\[\033[01;32m\]${hostName}\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ "
     if ! pgrep -x "sshd" > /dev/null; then
-      ${pkgs.openssh}/bin/sshd -p 8022
+      ${pkgs.openssh}/bin/sshd -f ${config.home.homeDirectory}/.ssh/sshd_config
     fi
   '';
-
-  home.file.".termux/boot/start-sshd.sh" = {
-    text = ''
-      #!/bin/sh
-      if ! pgrep -x "sshd" > /dev/null; then
-        ${pkgs.openssh}/bin/sshd -p 8022
-      fi
-    '';
-    executable = true;
-  };
-
-  xdg.configFile."nix/nix.conf".text = ''
-    sandbox = false
-    connect-timeout = 20
-    max-jobs = 1
-  '';
-
-  programs.udocker.enable = true;
 }

machines/aarch64/android/tablet/default.nix

@@ -4,7 +4,10 @@ let
   hostName = "aarch64.android.tablet";
 in
 {
-  imports = [ ../../../../home.nix ];
+  imports = [
+    ../../../../home.nix
+    ../common.nix
+  ];
 
   home.username = "brantes";
   home.homeDirectory = "/home/brantes";
@@ -24,32 +27,14 @@ in
   programs.zsh.initExtra = ''
     export PROMPT="%F{yellow}%n%f@%F{green}${hostName}%f:%F{blue}%~%f%# "
     if ! pgrep -x "sshd" > /dev/null; then
-      ${pkgs.openssh}/bin/sshd -p 8022
+      ${pkgs.openssh}/bin/sshd -f ${config.home.homeDirectory}/.ssh/sshd_config
     fi
   '';
 
   programs.bash.initExtra = ''
     export PS1="\[\033[01;33m\]\u\[\033[00m\]@\[\033[01;32m\]${hostName}\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ "
     if ! pgrep -x "sshd" > /dev/null; then
-      ${pkgs.openssh}/bin/sshd -p 8022
+      ${pkgs.openssh}/bin/sshd -f ${config.home.homeDirectory}/.ssh/sshd_config
     fi
   '';
-
-  home.file.".termux/boot/start-sshd.sh" = {
-    text = ''
-      #!/bin/sh
-      if ! pgrep -x "sshd" > /dev/null; then
-        ${pkgs.openssh}/bin/sshd -p 8022
-      fi
-    '';
-    executable = true;
-  };
-
-  xdg.configFile."nix/nix.conf".text = ''
-    sandbox = false
-    connect-timeout = 20
-    max-jobs = 1
-  '';
-
-  programs.udocker.enable = true;
 }