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authorWill Fancher <elvishjerricco@gmail.com>2023-11-02 01:26:35 -0400
committerGitHub <noreply@github.com>2023-11-02 01:26:35 -0400
commit9fe9de9762d5390b438bbfff942a100c401a68a3 (patch)
tree7fa1a90d36ea0af6fe1375dd8add315397039551 /nixos
parent3919f9de265b354aa9dc92316dce8ad75b89140a (diff)
parent6c7ad5e732428a4e8063144312d77544a867e08c (diff)
Merge pull request #264811 from emilylange/systemd-empty-unit-build
nixos/systemd-lib: fix building of empty unit files
Diffstat (limited to 'nixos')
-rw-r--r--nixos/lib/systemd-lib.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/nixos/lib/systemd-lib.nix b/nixos/lib/systemd-lib.nix
index fc95ab01289f0..7b600464bb415 100644
--- a/nixos/lib/systemd-lib.nix
+++ b/nixos/lib/systemd-lib.nix
@@ -20,7 +20,10 @@ in rec {
       pkgs.runCommand "unit-${mkPathSafeName name}"
         { preferLocalBuild = true;
           allowSubstitutes = false;
-          inherit (unit) text;
+          # unit.text can be null. But variables that are null listed in
+          # passAsFile are ignored by nix, resulting in no file being created,
+          # making the mv operation fail.
+          text = optionalString (unit.text != null) unit.text;
           passAsFile = [ "text" ];
         }
         ''