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{ lib, pkgs, fetchFromGitHub, python3Packages, nix-prefetch-scripts, runtimeShell }:
python3Packages.buildPythonApplication rec {
pname = "nix-update-source";
version = "0.6.3";
src = fetchFromGitHub {
owner = "timbertson";
repo = "nix-update-source";
rev = "version-${version}";
sha256 = "157wvv9vnaszzwbj68jpdc0imcm1hdab3z760bx2axbsgfpqqilz";
};
propagatedBuildInputs = [ nix-prefetch-scripts ];
doCheck = false;
passthru = {
# NOTE: `fetch` should not be used within nixpkgs because it
# uses a non-idiomatic structure. It is provided for use by
# out-of-tree nix derivations.
fetch = path:
let
fetchers = {
# whitelist of allowed fetchers
inherit (pkgs) fetchgit fetchurl fetchFromGitHub;
};
json = lib.importJSON path;
fetchFn = builtins.getAttr json.fetch.fn fetchers;
src = fetchFn json.fetch.args;
in
json // json.fetch // {
inherit src;
overrideSrc = drv: lib.overrideDerivation drv (orig: { inherit src; });
};
updateScript = ''
#!${runtimeShell}
set -e
echo
cd ${toString ./.}
${pkgs.nix-update-source}/bin/nix-update-source \
--prompt version \
--replace-attr version \
--set owner timbertson \
--set repo nix-update-source \
--set type fetchFromGitHub \
--set rev 'version-{version}' \
--modify-nix default.nix
'';
};
meta = {
description = "Utility to automate updating of nix derivation sources";
maintainers = with lib.maintainers; [ timbertson ];
license = lib.licenses.mit;
mainProgram = "nix-update-source";
};
}
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