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Add messages inside the renaming process to force user to rename their

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options.

Add the "deprecated" status which breaks until options are manually
renamed.

svn path=/nixos/trunk/; revision=17508
This commit is contained in:
Nicolas Pierron 2009-09-29 15:21:36 +00:00
parent 08c3069e40
commit 5c0c8a4017
1 changed files with 31 additions and 6 deletions
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37
modules/rename.nix
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@ -3,16 +3,38 @@
let
to = throw "This is just a dummy keyword";
alias = { name = "Alias"; };
obsolete = { name = "Obsolete name"; };
alias = from: to: {
name = "Alias";
msg.use = x: x;
msg.define = x: x;
};
obsolete = from: to: {
name = "Obsolete name";
msg.use = x:
builtins.trace "Option '${from}' is used instead of '${to}'." x;
msg.define = x:
builtins.trace "Option '${from}' is defined instead of '${to}'." x;
};
deprecated = from: to: {
name = "Deprecated name";
msg.use = x:
abort "Option '${from}' is used instead of '${to}'.";
msg.define = x:
abort "Option '${from}' is defined instead of '${to}'.";
};
zipModules = list: with pkgs.lib;
zip (n: v:
if tail v != [] then zipModules v else head v
) list;
rename = fromStatus: from: keyword: to: with pkgs.lib;
rename = statusTemplate: from: keyword: to: with pkgs.lib;
let
status = statusTemplate from to;
setTo = setAttrByPath (splitString "." to);
setFrom = setAttrByPath (splitString "." from);
toOf = attrByPath (splitString "." to)
@ -22,13 +44,16 @@ let
in
[{
options = setFrom (mkOption {
description = "${fromStatus.name} of <option>${to}</option>.";
apply = x: toOf config;
description = "${status.name} of <option>${to}</option>.";
apply = x: status.msg.use (toOf config);
});
}] ++
[{
options = setTo (mkOption {
extraConfigs = map (def: def.value) (fromOf options).definitions;
extraConfigs =
let externalDefs = (fromOf options).definitions; in
if externalDefs == [] then []
else map (def: def.value) (status.msg.define externalDefs);
});
}];