snix/web/static/default.nix
Vincent Ambo b1f52b2617 feat(web/static): Expose drvHash attribute on derivation
This can be used for easy cachebusting of static assets, so that we
can serve them all with a really long cache-time easily.

Change-Id: I7c9f6beddec58e1caf02cda33bc587590217a939
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3660
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
2021-10-01 15:33:47 +00:00

12 lines
375 B
Nix

# Expose all static assets as a folder. The derivation contains a
# `drvHash` attribute which can be used for cache-busting.
{ depot, lib, pkgs, ... }:
let storeDirLength = with builtins; (stringLength storeDir) + 1;
in lib.fix(self: pkgs.runCommand "tvl-static" {
passthru = {
drvHash = lib.substring storeDirLength 32 self.drvPath;
};
} ''
cp -r ${./.} $out
'')