warnOnInstantiate
lib.derivations.warnOnInstantiate
Docs pulled from | This Revision | 10 minutes ago
Wrap a derivation such that instantiating it produces a warning.
All attributes apart from meta
, name
, and type
(which are used by
nix search
) will be wrapped in lib.warn
.
Inputs
msg
- The warning message to emit (via
lib.warn
). drv
- The derivation to wrap.
Examples
lib.derivations.warnOnInstantiate
usage example
{
myPackage = warnOnInstantiate "myPackage has been renamed to my-package" my-package;
}
Noogle detected
Implementation
The following is the current implementation of this function.
warnOnInstantiate =
msg: drv:
let
drvToWrap = removeAttrs drv [
"meta"
"name"
"type"
];
in
drv // mapAttrs (_: lib.warn msg) drvToWrap;