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Add separate options for ComputerName, HostName, and LocalHostName

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This commit is contained in:
Malo Bourgon 2020-08-31 18:01:41 -07:00
parent 943a6b25d7
commit df4e6b697e
2 changed files with 55 additions and 11 deletions
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63
modules/networking/default.nix
View file

@ -5,15 +5,11 @@ with lib;
let
cfg = config.networking;
hostnameRegEx = ''^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$'';
emptyList = lst: if lst != [] then lst else ["empty"];
quoteStrings = concatMapStringsSep " " (str: "'${str}'");
setHostName = optionalString (cfg.hostName != null) ''
scutil --set ComputerName '${cfg.hostName}'
scutil --set LocalHostName '${cfg.hostName}'
scutil --set HostName '${cfg.hostName}'
'';
setNetworkServices = optionalString (cfg.knownNetworkServices != []) ''
networkservices=$(networksetup -listallnetworkservices)
${concatMapStringsSep "\n" (srv: ''
@ -29,11 +25,49 @@ in
{
options = {
networking.hostName = mkOption {
networking.computerName = mkOption {
type = types.nullOr types.str;
default = null;
example = "myhostname";
description = "Hostname for your machine.";
example = "John’s MacBook Pro";
description = ''
The user-friendly name for the system, set in System Preferences > Sharing > Computer Name.
Setting this option is equivalent to running `scutil --set ComputerName`.
This name can contain spaces and Unicode characters.
'';
};
networking.hostName = mkOption {
type = types.nullOr (types.strMatching hostnameRegEx);
default = null;
example = "Johns-MacBook-Pro";
description = ''
The hostname of your system, as visible from the command line and used by local and remote
networks when connecting through SSH and Remote Login.
Setting this option is equivalent to running the command `scutil --set HostName`.
(Note that networking.localHostName defaults to the value of this option.)
'';
};
networking.localHostName = mkOption {
type = types.nullOr (types.strMatching hostnameRegEx);
default = cfg.hostName;
example = "Johns-MacBook-Pro";
description = ''
The local hostname, or local network name, is displayed beneath the computer's name at the
top of the Sharing preferences pane. It identifies your Mac to Bonjour-compatible services.
Setting this option is equivalent to running the command `scutil --set LocalHostName`, where
running, e.g., `scutil --set LocalHostName 'Johns-MacBook-Pro'`, would set
the systems local hostname to "Johns-MacBook-Pro.local". The value of this option defaults
to the value of the networking.hostName option.
By default on macOS the local hostname is your computer's name with ".local" appended, with
any spaces replaced with hyphens, and invalid characters omitted.
'';
};
networking.knownNetworkServices = mkOption {
@ -72,7 +106,16 @@ in
system.activationScripts.networking.text = ''
echo "configuring networking..." >&2
${setHostName}
${optionalString (cfg.computerName != null) ''
scutil --set ComputerName '${cfg.computerName}'
''}
${optionalString (cfg.hostName != null) ''
scutil --set HostName '${cfg.hostName}'
''}
${optionalString (cfg.localHostName != null) ''
scutil --set LocalHostName '${cfg.localHostName}'
''}
${setNetworkServices}
'';

3
tests/networking-hostname.nix
View file

@ -2,10 +2,11 @@
{
networking.hostName = "EVE";
networking.computerName = "EVE’s MacBook Pro";
test = ''
echo checking hostname in /activate >&2
grep "scutil --set ComputerName 'EVE'" ${config.out}/activate
grep "scutil --set ComputerName 'EVE’s MacBook Pro'" ${config.out}/activate
grep "scutil --set LocalHostName 'EVE'" ${config.out}/activate
grep "scutil --set HostName 'EVE'" ${config.out}/activate
echo checking defaults write in ${config.out}/activate-user >&2