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lib.fetchers: factor-out definitions common to normalizeHash and withNormalizedHash

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This commit is contained in:
nicoo 2024-09-16 21:42:39 +00:00
parent 8376e18291
commit 4e59b77c70
1 changed files with 10 additions and 6 deletions
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16
lib/fetchers.nix
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@ -1,6 +1,11 @@
# snippets that can be shared by multiple fetchers (pkgs/build-support)
{ lib }:
rec {
let
commonH = hashTypes: rec {
hNames = [ "hash" ] ++ hashTypes;
hAttrs = lib.genAttrs hNames (lib.const {});
};
in rec {
proxyImpureEnvVars = [
# We borrow these environment variables from the caller to allow
@ -68,11 +73,10 @@ rec {
required ? true,
}:
let
inherit (lib) concatMapStringsSep const head tail throwIf;
inherit (lib.attrsets) attrsToList genAttrs intersectAttrs removeAttrs optionalAttrs;
inherit (lib) concatMapStringsSep head tail throwIf;
inherit (lib.attrsets) attrsToList intersectAttrs removeAttrs optionalAttrs;
hNames = [ "hash" ] ++ hashTypes;
hAttrs = genAttrs hNames (const {});
inherit (commonH hashTypes) hAttrs hNames;
in
args:
if args ? "outputHash" then
@ -153,7 +157,7 @@ rec {
inherit (lib.attrsets) genAttrs intersectAttrs removeAttrs;
inherit (lib.trivial) const functionArgs setFunctionArgs;
hAttrs = genAttrs ([ "hash" ] ++ hashTypes) (const {});
inherit (commonH hashTypes) hAttrs;
fArgs = functionArgs fetcher;
normalize = normalizeHash {