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nixpkgs/pkgs/build-support/fetchfossil/default.nix
2023-11-22 09:47:57 +01:00

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Nix

{stdenv, lib, fossil, cacert}:
{ name ? null
, url
, rev
, sha256 ? ""
, hash ? ""
}:
if hash != "" && sha256 != "" then
throw "Only one of sha256 or hash can be set"
else
stdenv.mkDerivation {
name = "fossil-archive" + (lib.optionalString (name != null) "-${name}");
builder = ./builder.sh;
nativeBuildInputs = [fossil cacert];
# Envvar docs are hard to find. A link for the future:
# https://www.fossil-scm.org/index.html/doc/trunk/www/env-opts.md
impureEnvVars = [ "http_proxy" ];
outputHashAlgo = if hash != "" then null else "sha256";
outputHashMode = "recursive";
outputHash = if hash != "" then
hash
else if sha256 != "" then
sha256
else
lib.fakeSha256;
inherit url rev;
preferLocalBuild = true;
}