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home-manager: Add backupFileExtension option

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This commit is contained in:
Tobias Happ 2020-01-08 00:21:22 +01:00 • committed by Alexander Sosedkin
parent daf69b959d
commit c9e9ae3040
1 changed files with 16 additions and 3 deletions
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19
modules/home-manager.nix
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@ -28,6 +28,16 @@ in
options = {
home-manager = {
backupFileExtension = mkOption {
type = types.nullOr types.str;
default = null;
example = "backup";
description = ''
On activation move existing files by appending the given
file extension rather than exiting with an error.
'';
};
config = mkOption {
type = types.nullOr hmModule;
default = null;
@ -58,9 +68,12 @@ in
'';
};
activationAfter.homeManager = ''
${cfg.config.home.activationPackage}/activate
'';
activationAfter.homeManager = concatStringsSep " " (
optional
(cfg.backupFileExtension != null)
"HOME_MANAGER_BACKUP_EXT='${cfg.backupFileExtension}'"
++ [ "${cfg.config.home.activationPackage}/activate" ]
);
};
environment.packages = mkIf cfg.useUserPackages cfg.config.home.packages;