47 lines
1.5 KiB
Nix
47 lines
1.5 KiB
Nix
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{ lib, pkgs, fetchFromGitHub, python3Packages, nix-prefetch-scripts }:
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python3Packages.buildPythonApplication rec {
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version = "0.4.0";
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name = "nix-update-source-${version}";
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src = fetchFromGitHub {
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owner = "timbertson";
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repo = "nix-update-source";
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rev = "version-0.4.0";
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sha256 = "0gz0f7nx1q697s16ya7q84q1cj020n547k2ffb99ds2r40nckr2g";
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};
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propagatedBuildInputs = [ nix-prefetch-scripts ];
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passthru = {
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# NOTE: `fetch` should not be used within nixpkgs because it
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# uses a non-idiomatic structure. It is provided for use by
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# out-of-tree nix derivations.
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fetch = path:
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let
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fetchers = {
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# whitelist of allowed fetchers
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inherit (pkgs) fetchgit fetchurl fetchFromGitHub;
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};
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json = lib.importJSON path;
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fetchFn = builtins.getAttr json.fetch.fn fetchers;
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src = fetchFn json.fetch.args;
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in
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json // json.fetch // { inherit src; };
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updateScript = ''
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set -e
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echo
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cd ${toString ./.}
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${pkgs.nix-update-source}/bin/nix-update-source \
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--prompt version \
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--replace-attr version \
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--set owner timbertson \
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--set repo nix-update-source \
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--set type fetchFromGitHub \
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--set rev 'version-{version}' \
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--modify-nix default.nix
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'';
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};
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meta = {
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description = "Utility to automate updating of nix derivation sources";
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maintainers = with lib.maintainers; [ timbertson ];
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license = lib.licenses.mit;
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};
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}
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