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author | Ryan Lahfa <masterancpp@gmail.com> | 2022-12-01 16:03:04 +0100 |
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committer | GitHub <noreply@github.com> | 2022-12-01 16:03:04 +0100 |
commit | bc7c15825b6e7c58b5d91a8f5aaa1f600dc667bb (patch) | |
tree | fe2965154b7f5234a8b0f36c6e784f113451624f /nixos/modules/tasks | |
parent | 2ae5aa0bd6f793b0c5f6bc5df7e697fea781006a (diff) | |
parent | 857c6490832fb5dccbac6ca7a679496e85a85e21 (diff) |
Merge pull request #117371 from grahamc/sysctl-hostname
network-interfaces: set hostname from sysctl if defined
Diffstat (limited to 'nixos/modules/tasks')
-rw-r--r-- | nixos/modules/tasks/network-interfaces.nix | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix index b7a4282f9727f..4c211b747614b 100644 --- a/nixos/modules/tasks/network-interfaces.nix +++ b/nixos/modules/tasks/network-interfaces.nix @@ -1411,9 +1411,10 @@ in # Set the host and domain names in the activation script. Don't # clear it if it's not configured in the NixOS configuration, # since it may have been set by dhcpcd in the meantime. - system.activationScripts.hostname = - optionalString (cfg.hostName != "") '' - hostname "${cfg.hostName}" + system.activationScripts.hostname = let + effectiveHostname = config.boot.kernel.sysctl."kernel.hostname" or cfg.hostName; + in optionalString (effectiveHostname != "") '' + hostname "${effectiveHostname}" ''; system.activationScripts.domain = optionalString (cfg.domain != null) '' |