sources: update nix-hexchen

This commit is contained in:
hexchen 2021-02-21 08:55:09 +00:00
parent cd3efc616d
commit 6b055167e3
2 changed files with 47 additions and 21 deletions

View file

@ -27,7 +27,7 @@
"branch": "main", "branch": "main",
"ref": "main", "ref": "main",
"repo": "https://gitlab.com/hexchen/nixfiles.git", "repo": "https://gitlab.com/hexchen/nixfiles.git",
"rev": "0899adb135c63eafd3c5e5f2596b336243dc0b1d", "rev": "029493c1ad1e30007b25ac37bb09fdc75b4108e3",
"type": "git" "type": "git"
}, },
"nixos-mailserver": { "nixos-mailserver": {

View file

@ -6,25 +6,33 @@ let
# The fetchers. fetch_<type> fetches specs of type <type>. # The fetchers. fetch_<type> fetches specs of type <type>.
# #
fetch_file = pkgs: spec: fetch_file = pkgs: name: spec:
let
name' = sanitizeName name + "-src";
in
if spec.builtin or true then if spec.builtin or true then
builtins_fetchurl { inherit (spec) url sha256; } builtins_fetchurl { inherit (spec) url sha256; name = name'; }
else else
pkgs.fetchurl { inherit (spec) url sha256; }; pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
fetch_tarball = pkgs: name: spec: fetch_tarball = pkgs: name: spec:
let let
ok = str: ! builtins.isNull (builtins.match "[a-zA-Z0-9+-._?=]" str); name' = sanitizeName name + "-src";
# sanitize the name, though nix will still fail if name starts with period
name' = stringAsChars (x: if ! ok x then "-" else x) "${name}-src";
in in
if spec.builtin or true then if spec.builtin or true then
builtins_fetchTarball { name = name'; inherit (spec) url sha256; } builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
else else
pkgs.fetchzip { name = name'; inherit (spec) url sha256; }; pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
fetch_git = spec: fetch_git = name: spec:
builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; }; let
ref =
if spec ? ref then spec.ref else
if spec ? branch then "refs/heads/${spec.branch}" else
if spec ? tag then "refs/tags/${spec.tag}" else
abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
in
builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
fetch_local = spec: spec.path; fetch_local = spec: spec.path;
@ -40,11 +48,21 @@ let
# Various helpers # Various helpers
# #
# https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
sanitizeName = name:
(
concatMapStrings (s: if builtins.isList s then "-" else s)
(
builtins.split "[^[:alnum:]+._?=-]+"
((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
)
);
# The set of packages used when specs are fetched using non-builtins. # The set of packages used when specs are fetched using non-builtins.
mkPkgs = sources: mkPkgs = sources: system:
let let
sourcesNixpkgs = sourcesNixpkgs =
import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) {}; import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath; hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
hasThisAsNixpkgsPath = <nixpkgs> == ./.; hasThisAsNixpkgsPath = <nixpkgs> == ./.;
in in
@ -64,9 +82,9 @@ let
if ! builtins.hasAttr "type" spec then if ! builtins.hasAttr "type" spec then
abort "ERROR: niv spec ${name} does not have a 'type' attribute" abort "ERROR: niv spec ${name} does not have a 'type' attribute"
else if spec.type == "file" then fetch_file pkgs spec else if spec.type == "file" then fetch_file pkgs name spec
else if spec.type == "tarball" then fetch_tarball pkgs name spec else if spec.type == "tarball" then fetch_tarball pkgs name spec
else if spec.type == "git" then fetch_git spec else if spec.type == "git" then fetch_git name spec
else if spec.type == "local" then fetch_local spec else if spec.type == "local" then fetch_local spec
else if spec.type == "builtin-tarball" then fetch_builtin-tarball name else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
else if spec.type == "builtin-url" then fetch_builtin-url name else if spec.type == "builtin-url" then fetch_builtin-url name
@ -80,7 +98,10 @@ let
saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name; saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}"; ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
in in
if ersatz == "" then drv else ersatz; if ersatz == "" then drv else
# this turns the string into an actual Nix path (for both absolute and
# relative paths)
if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
# Ports of functions for older nix versions # Ports of functions for older nix versions
@ -98,25 +119,29 @@ let
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269 # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
stringAsChars = f: s: concatStrings (map f (stringToCharacters s)); stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
concatMapStrings = f: list: concatStrings (map f list);
concatStrings = builtins.concatStringsSep ""; concatStrings = builtins.concatStringsSep "";
# https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
optionalAttrs = cond: as: if cond then as else {};
# fetchTarball version that is compatible between all the versions of Nix # fetchTarball version that is compatible between all the versions of Nix
builtins_fetchTarball = { url, name, sha256 }@attrs: builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
let let
inherit (builtins) lessThan nixVersion fetchTarball; inherit (builtins) lessThan nixVersion fetchTarball;
in in
if lessThan nixVersion "1.12" then if lessThan nixVersion "1.12" then
fetchTarball { inherit name url; } fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
else else
fetchTarball attrs; fetchTarball attrs;
# fetchurl version that is compatible between all the versions of Nix # fetchurl version that is compatible between all the versions of Nix
builtins_fetchurl = { url, sha256 }@attrs: builtins_fetchurl = { url, name ? null, sha256 }@attrs:
let let
inherit (builtins) lessThan nixVersion fetchurl; inherit (builtins) lessThan nixVersion fetchurl;
in in
if lessThan nixVersion "1.12" then if lessThan nixVersion "1.12" then
fetchurl { inherit url; } fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
else else
fetchurl attrs; fetchurl attrs;
@ -135,7 +160,8 @@ let
mkConfig = mkConfig =
{ sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
, sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile) , sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
, pkgs ? mkPkgs sources , system ? builtins.currentSystem
, pkgs ? mkPkgs sources system
}: rec { }: rec {
# The sources, i.e. the attribute set of spec name to spec # The sources, i.e. the attribute set of spec name to spec
inherit sources; inherit sources;