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This commit is contained in:
Marvin Drescher
2026-03-07 10:42:03 +01:00
parent 861954d88a
commit e92478a7dd
2 changed files with 235 additions and 22 deletions
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120
flake.nix
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@@ -13,12 +13,21 @@
};
};
outputs = { self, nixpkgs, utils, naersk, index }:
outputs =
{
self,
nixpkgs,
utils,
naersk,
index,
}:
let
crate = self.lib.crate "bat";
pname = crate.latest.name;
forPkgs = pkgs:
rec {
filterAttrs =
pred: set:
builtins.removeAttrs set (builtins.filter (name: !pred name set.${name}) (builtins.attrNames set));
forPkgs = pkgs: rec {
# # `nix build`
# packages.${pname} = crate.latest.package { inherit pkgs; };
@@ -27,33 +36,100 @@
# drv = packages.${pname};
# };
# defaultApp = apps.${pname};
};
};
forSystem = system: forPkgs nixpkgs.legacyPackages."${system}";
in
(utils.lib.eachDefaultSystem forSystem) // {
(utils.lib.eachDefaultSystem forSystem)
// rec {
packages.crates_io =
let
path = s: "${index}/${s}";
traverse =
path: levels:
let
entries = (builtins.readDir path);
filterTy = t: builtins.attrNames (filterAttrs (_: ty: ty == t) entries);
dirs = filterTy "directory";
crateDirs = builtins.filter (dir: (builtins.substring 0 1 dir) != ".") dirs;
files = filterTy "regular";
in
if levels == 0 then
map (name: "${path}/${name}") files
else
builtins.concatLists (map (dir: traverse "${path}/${dir}" (levels - 1)) crateDirs);
cratePaths = traverse "${index}" 2;
crateVersions =
path:
let
meta = builtins.readFile path;
versionsLines = builtins.filter (l: builtins.stringLength l > 10) (builtins.split "\n" meta);
versions = map builtins.fromJSON versionsLines;
in
builtins.listToAttrs (
map (meta: {
name = builtins.trace meta meta.vers;
value = meta;
}) (versions)
);
crateNames = map baseNameOf cratePaths;
in
builtins.listToAttrs (map (path: { name = baseNameOf (builtins.unsafeDiscardStringContext path); value = crateVersions path; }) cratePaths);
lib = rec {
config = builtins.fromJSON (builtins.readFile "${index}/config.json");
crate = name:
crate =
name:
let
dbg = val: builtins.trace val val;
strlen = builtins.stringLength;
substr = builtins.substring;
path = if strlen name < 4 then "${toString (strlen name)}/${substr 0 1 name}/${name}" else "${substr 0 2 name}/${substr 2 2 name}/${name}";
build = meta: extra @ { pkgs, ... }:
let naersk-lib = naersk.lib."${pkgs.system}"; in
naersk-lib.buildPackage ((builtins.removeAttrs extra [ "pkgs" ]) // {
root = pkgs.runCommandLocal "unpack-${name}" {} ''
mkdir -p $out
tar xzvf ${meta.tarball} -C $out --strip-components=1
'';
});
versions = builtins.foldl'
(p: i:
let meta = i // rec { url = "${config.dl}/${name}/${i.vers}/download"; package = build meta; tarball = builtins.fetchurl { inherit url; sha256 = i.cksum; }; }; in
p // { latest = meta; "${i.vers}" = meta; }
)
{ }
(map builtins.fromJSON (builtins.filter (s: builtins.isString s && strlen s > 0) (builtins.split "\n" (builtins.readFile "${index}/${path}"))));
path =
if strlen name < 4 then
"${toString (strlen name)}/${substr 0 1 name}/${name}"
else
"${substr 0 2 name}/${substr 2 2 name}/${name}";
build =
meta:
extra@{ pkgs, ... }:
let
naersk-lib = naersk.lib."${pkgs.system}";
in
naersk-lib.buildPackage (
(builtins.removeAttrs extra [ "pkgs" ])
// {
root = pkgs.runCommandLocal "unpack-${name}" { } ''
mkdir -p $out
tar xzvf ${meta.tarball} -C $out --strip-components=1
'';
}
);
versions =
builtins.foldl'
(
p: i:
let
meta = i // rec {
url = "${config.dl}/${name}/${i.vers}/download";
package = build meta;
tarball = builtins.fetchurl {
inherit url;
sha256 = i.cksum;
};
};
in
p
// {
latest = meta;
"${i.vers}" = meta;
}
)
{ }
(
map builtins.fromJSON (
builtins.filter (s: builtins.isString s && strlen s > 0) (
builtins.split "\n" (builtins.readFile "${index}/${path}")
)
)
);
in
versions;
};