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-rw-r--r--nix/sources.json18
-rw-r--r--nix/sources.nix129
2 files changed, 92 insertions, 55 deletions
diff --git a/nix/sources.json b/nix/sources.json
index 99184e9..c8933f2 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
"homepage": "",
"owner": "nix-community",
"repo": "emacs-overlay",
- "rev": "5d3bdc00eea7766c94bca7622b98afe0f81e9fe4",
- "sha256": "0gmgvfph2f47mdykw2p4gf7il7s10b1ysy2xqj8rh6iz7wypw2hy",
+ "rev": "1f33253069cfc617a85e1c1c26b1ec1d7ecd9cc3",
+ "sha256": "1pv4rprqcg2p0fd2p8bah5l51bigwb0qqwpx1ldx1zm64rfm9a5h",
"type": "tarball",
- "url": "https://github.com/nix-community/emacs-overlay/archive/5d3bdc00eea7766c94bca7622b98afe0f81e9fe4.tar.gz",
+ "url": "https://github.com/nix-community/emacs-overlay/archive/1f33253069cfc617a85e1c1c26b1ec1d7ecd9cc3.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
},
"home-manager": {
@@ -17,10 +17,10 @@
"homepage": "https://rycee.gitlab.io/home-manager/",
"owner": "rycee",
"repo": "home-manager",
- "rev": "abaebf3b346c4bef500c5bd2fdebbed109261a0c",
- "sha256": "1gcv2ni4nsicpmi4ain568msvgxch8cj04fxf6qgvhdklmh2y84k",
+ "rev": "63f299b3347aea183fc5088e4d6c4a193b334a41",
+ "sha256": "0iksjch94wfvyq0cgwv5wq52j0dc9cavm68wka3pahhdvjlxd3js",
"type": "tarball",
- "url": "https://github.com/rycee/home-manager/archive/abaebf3b346c4bef500c5bd2fdebbed109261a0c.tar.gz",
+ "url": "https://github.com/rycee/home-manager/archive/63f299b3347aea183fc5088e4d6c4a193b334a41.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
"version": "20.03"
},
@@ -66,10 +66,10 @@
"homepage": null,
"owner": "NixOS",
"repo": "nixpkgs",
- "rev": "c6afa8820b528cec7e889e462cbcab84c0313b41",
- "sha256": "0bi85pjkgrfln8cv1ihinq69y3bs7pg8jsl1mk770l4ffvjlqwq0",
+ "rev": "dd1b7e377f6d77ddee4ab84be11173d3566d6a18",
+ "sha256": "158zx28wfxqkv51lwgkbsdp1v3wyijp6crmk3mkvqa0v0619yxiv",
"type": "tarball",
- "url": "https://github.com/NixOS/nixpkgs/archive/c6afa8820b528cec7e889e462cbcab84c0313b41.tar.gz",
+ "url": "https://github.com/NixOS/nixpkgs/archive/dd1b7e377f6d77ddee4ab84be11173d3566d6a18.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
}
}
diff --git a/nix/sources.nix b/nix/sources.nix
index 8a725cb..b796fff 100644
--- a/nix/sources.nix
+++ b/nix/sources.nix
@@ -6,52 +6,63 @@ let
# The fetchers. fetch_<type> fetches specs of type <type>.
#
- fetch_file = pkgs: spec:
- if spec.builtin or true then
- builtins_fetchurl { inherit (spec) url sha256; }
- else
- pkgs.fetchurl { inherit (spec) url sha256; };
-
- fetch_tarball = pkgs: spec:
- if spec.builtin or true then
- builtins_fetchTarball { inherit (spec) url sha256; }
- else
- pkgs.fetchzip { inherit (spec) url sha256; };
+ fetch_file = pkgs: name: spec:
+ let
+ name' = sanitizeName name + "-src";
+ in
+ if spec.builtin or true then
+ builtins_fetchurl { inherit (spec) url sha256; name = name'; }
+ else
+ pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
- fetch_git = spec:
- builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; };
+ fetch_tarball = pkgs: name: spec:
+ let
+ name' = sanitizeName name + "-src";
+ in
+ if spec.builtin or true then
+ builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
+ else
+ pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
- fetch_builtin-tarball = spec:
- builtins.trace
- ''
- WARNING:
- The niv type "builtin-tarball" will soon be deprecated. You should
- instead use `builtin = true`.
+ fetch_git = name: spec:
+ 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; };
- $ niv modify <package> -a type=tarball -a builtin=true
- ''
- builtins_fetchTarball { inherit (spec) url sha256; };
+ fetch_local = spec: spec.path;
- fetch_builtin-url = spec:
- builtins.trace
- ''
- WARNING:
- The niv type "builtin-url" will soon be deprecated. You should
- instead use `builtin = true`.
+ fetch_builtin-tarball = name: throw
+ ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
+ $ niv modify ${name} -a type=tarball -a builtin=true'';
- $ niv modify <package> -a type=file -a builtin=true
- ''
- (builtins_fetchurl { inherit (spec) url sha256; });
+ fetch_builtin-url = name: throw
+ ''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
+ $ niv modify ${name} -a type=file -a builtin=true'';
#
# 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.
- mkPkgs = sources:
+ mkPkgs = sources: system:
let
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;
hasThisAsNixpkgsPath = <nixpkgs> == ./.;
in
@@ -71,14 +82,24 @@ let
if ! builtins.hasAttr "type" spec then
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 == "tarball" then fetch_tarball pkgs spec
- else if spec.type == "git" then fetch_git spec
- else if spec.type == "builtin-tarball" then fetch_builtin-tarball spec
- else if spec.type == "builtin-url" then fetch_builtin-url 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 == "git" then fetch_git name 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-url" then fetch_builtin-url name
else
abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
+ # If the environment variable NIV_OVERRIDE_${name} is set, then use
+ # the path directly as opposed to the fetched source.
+ replace = name: drv:
+ let
+ saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
+ ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
+ in
+ if ersatz == "" then drv else ersatz;
+
# Ports of functions for older nix versions
# a Nix version of mapAttrs if the built-in doesn't exist
@@ -87,23 +108,37 @@ let
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
);
+ # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
+ range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
+
+ # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
+ stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
+
+ # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
+ stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
+ concatMapStrings = f: list: concatStrings (map f list);
+ 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
- builtins_fetchTarball = { url, sha256 }@attrs:
+ builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
let
inherit (builtins) lessThan nixVersion fetchTarball;
in
if lessThan nixVersion "1.12" then
- fetchTarball { inherit url; }
+ fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
else
fetchTarball attrs;
# fetchurl version that is compatible between all the versions of Nix
- builtins_fetchurl = { url, sha256 }@attrs:
+ builtins_fetchurl = { url, name ? null, sha256 }@attrs:
let
inherit (builtins) lessThan nixVersion fetchurl;
in
if lessThan nixVersion "1.12" then
- fetchurl { inherit url; }
+ fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
else
fetchurl attrs;
@@ -115,14 +150,15 @@ let
then abort
"The values in sources.json should not have an 'outPath' attribute"
else
- spec // { outPath = fetch config.pkgs name spec; }
+ spec // { outPath = replace name (fetch config.pkgs name spec); }
) config.sources;
# The "config" used by the fetchers
mkConfig =
- { sourcesFile ? ./sources.json
- , sources ? builtins.fromJSON (builtins.readFile sourcesFile)
- , pkgs ? mkPkgs sources
+ { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
+ , sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
+ , system ? builtins.currentSystem
+ , pkgs ? mkPkgs sources system
}: rec {
# The sources, i.e. the attribute set of spec name to spec
inherit sources;
@@ -130,5 +166,6 @@ let
# The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
inherit pkgs;
};
+
in
mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }