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home-environment: check files for '.' prefix

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Nix does not allow files whose name start with a '.' in the Nix store.
This commit makes a not of this fact in the `home.file.source` option
and also adds an assertion verifying that no such file is given.

Closes #4
This commit is contained in:
Robert Helgesson 2017-02-21 21:41:05 +01:00
parent beba608705
commit a3900340e4
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GPG key ID: C3DB11069E65DC86
1 changed files with 19 additions and 1 deletions
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20
modules/home-environment.nix
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@ -114,7 +114,11 @@ in
source = mkOption { source = mkOption {
type = types.path; type = types.path;
description = "Path of the source file."; description = ''
Path of the source file. Note, the file name must not
start with a period since Nix will not allow such
names in the Nix store.
'';
}; };
mode = mkOption { mode = mkOption {
@ -206,6 +210,20 @@ in
}; };
config = { config = {
assertions = [
(let
badFiles =
filter (hasPrefix ".")
(map (v: baseNameOf (toString v.source))
(attrValues cfg.file));
badFilesStr = toString badFiles;
in
{
assertion = badFiles == [];
message = "Source file names must not start with '.': ${badFilesStr}";
})
];
home.sessionVariables = home.sessionVariables =
let let
maybeSet = name: value: maybeSet = name: value: