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author | Alyssa Ross <hi@alyssa.is> | 2019-01-07 02:18:36 +0000 |
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committer | Alyssa Ross <hi@alyssa.is> | 2019-01-07 02:18:47 +0000 |
commit | 36f56d99fa0a0765c9f1de4a5f17a9b05830c3f2 (patch) | |
tree | b3faaf573407b32aa645237a4d16b82778a39a92 /nixpkgs/nixos/modules/misc/assertions.nix | |
parent | 4e31070265257dc67d120c27e0f75c2344fdfa9a (diff) | |
parent | abf060725d7614bd3b9f96764262dfbc2f9c2199 (diff) | |
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Add 'nixpkgs/' from commit 'abf060725d7614bd3b9f96764262dfbc2f9c2199'
git-subtree-dir: nixpkgs git-subtree-mainline: 4e31070265257dc67d120c27e0f75c2344fdfa9a git-subtree-split: abf060725d7614bd3b9f96764262dfbc2f9c2199
Diffstat (limited to 'nixpkgs/nixos/modules/misc/assertions.nix')
-rw-r--r-- | nixpkgs/nixos/modules/misc/assertions.nix | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/misc/assertions.nix b/nixpkgs/nixos/modules/misc/assertions.nix new file mode 100644 index 000000000000..550b3ac97f6a --- /dev/null +++ b/nixpkgs/nixos/modules/misc/assertions.nix @@ -0,0 +1,34 @@ +{ lib, ... }: + +with lib; + +{ + + options = { + + assertions = mkOption { + type = types.listOf types.unspecified; + internal = true; + default = []; + example = [ { assertion = false; message = "you can't enable this for that reason"; } ]; + description = '' + This option allows modules to express conditions that must + hold for the evaluation of the system configuration to + succeed, along with associated error messages for the user. + ''; + }; + + warnings = mkOption { + internal = true; + default = []; + type = types.listOf types.str; + example = [ "The `foo' service is deprecated and will go away soon!" ]; + description = '' + This option allows modules to show warnings to users during + the evaluation of the system configuration. + ''; + }; + + }; + # impl of assertions is in <nixpkgs/nixos/modules/system/activation/top-level.nix> +} |