ofborg/npins/default.nix
raito 3e8152fe99 feat: add a devshell based on vanilla Nix
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
2024-10-30 20:36:44 +01:00

81 lines
2.1 KiB
Nix

# Generated by npins. Do not modify; will be overwritten regularly
let
data = builtins.fromJSON (builtins.readFile ./sources.json);
version = data.version;
mkSource =
spec:
assert spec ? type;
let
path =
if spec.type == "Git" then
mkGitSource spec
else if spec.type == "GitRelease" then
mkGitSource spec
else if spec.type == "PyPi" then
mkPyPiSource spec
else if spec.type == "Channel" then
mkChannelSource spec
else
builtins.throw "Unknown source type ${spec.type}";
in
spec // { outPath = path; };
mkGitSource =
{
repository,
revision,
url ? null,
hash,
branch ? null,
...
}:
assert repository ? type;
# At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository
# In the latter case, there we will always be an url to the tarball
if url != null then
(builtins.fetchTarball {
inherit url;
sha256 = hash;
})
else
assert repository.type == "Git";
let
urlToName =
url: rev:
let
matched = builtins.match "^.*/([^/]*)(\\.git)?$" repository.url;
short = builtins.substring 0 7 rev;
appendShort = if (builtins.match "[a-f0-9]*" rev) != null then "-${short}" else "";
in
"${if matched == null then "source" else builtins.head matched}${appendShort}";
name = urlToName repository.url revision;
in
builtins.fetchGit {
url = repository.url;
rev = revision;
inherit name;
narHash = hash;
};
mkPyPiSource =
{ url, hash, ... }:
builtins.fetchurl {
inherit url;
sha256 = hash;
};
mkChannelSource =
{ url, hash, ... }:
builtins.fetchTarball {
inherit url;
sha256 = hash;
};
in
if version == 4 then
builtins.mapAttrs (_: mkSource) data.pins
else
throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`"