Switch back to flakes

This reverts commits:
- 66e56cb0e1c95202133733c0812b794171dc73c5.
- 3fae7d35d9b32ab3c4f7293c418167a52aff8717.
- 417a1ce6481adfc713d8d0d6ad03e211a3d0eb22.
- 6b4469a98d7b2d88a3442b1051174000538199f0.

2 files changed, 0 insertions, 175 deletions

diff --git a/npins/default.nix b/npins/default.nix
deleted file mode 100644
index 5e7d086e..00000000
--- a/npins/default.nix
+++ /dev/null
@@ -1,80 +0,0 @@
-# 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 ${spec.type}";
-    in
-    spec // { outPath = path; };
-
-  mkGitSource =
-    {
-      repository,
-      revision,
-      url ? null,
-      hash,
-      branch ? null,
-      ...
-    }:
-    assert repository ? type;
-    # At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository
-    # In the latter case, there we will always be an url to the tarball
-    if url != null then
-      (builtins.fetchTarball {
-        inherit url;
-        sha256 = hash; # FIXME: check nix version & use SRI hashes
-      })
-    else
-      assert repository.type == "Git";
-      let
-        urlToName =
-          url: rev:
-          let
-            matched = builtins.match "^.*/([^/]*)(\\.git)?$" 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;
-        # hash = hash;
-      };
-
-  mkPyPiSource =
-    { url, hash, ... }:
-    builtins.fetchurl {
-      inherit url;
-      sha256 = hash;
-    };
-
-  mkChannelSource =
-    { url, hash, ... }:
-    builtins.fetchTarball {
-      inherit url;
-      sha256 = hash;
-    };
-in
-if version == 3 then
-  builtins.mapAttrs (_: mkSource) data.pins
-else
-  throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`"
diff --git a/npins/sources.json b/npins/sources.json
deleted file mode 100644
index cbd6da9c..00000000
--- a/npins/sources.json
+++ /dev/null
@@ -1,95 +0,0 @@
-{
-  "pins": {
-    "agenix": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "ryantm",
-        "repo": "agenix"
-      },
-      "branch": "main",
-      "revision": "f6291c5935fdc4e0bef208cfc0dcab7e3f7a1c41",
-      "url": "https://github.com/ryantm/agenix/archive/f6291c5935fdc4e0bef208cfc0dcab7e3f7a1c41.tar.gz",
-      "hash": "1x8nd8hvsq6mvzig122vprwigsr3z2skanig65haqswn7z7amsvg"
-    },
-    "darwin": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "lnl7",
-        "repo": "nix-darwin"
-      },
-      "branch": "master",
-      "revision": "ac5694a0b855a981e81b4d9f14052e3ff46ca39e",
-      "url": "https://github.com/lnl7/nix-darwin/archive/ac5694a0b855a981e81b4d9f14052e3ff46ca39e.tar.gz",
-      "hash": "0nxfc3nlvag3q33bhr9wyd6vjkzy9s2krw11ly4a1wss2gsh5zyf"
-    },
-    "emacs-overlay": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "nix-community",
-        "repo": "emacs-overlay"
-      },
-      "branch": "master",
-      "revision": "3052bb01d404ee9bd03b040c9ae898febca05b81",
-      "url": "https://github.com/nix-community/emacs-overlay/archive/3052bb01d404ee9bd03b040c9ae898febca05b81.tar.gz",
-      "hash": "1h5cr9rcm7asm961s5czbbna4b18zlx9kiyd6p8v82xrz7ln3s7i"
-    },
-    "home-manager": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "nix-community",
-        "repo": "home-manager"
-      },
-      "branch": "master",
-      "revision": "c2cd2a52e02f1dfa1c88f95abeb89298d46023be",
-      "url": "https://github.com/nix-community/home-manager/archive/c2cd2a52e02f1dfa1c88f95abeb89298d46023be.tar.gz",
-      "hash": "1wq1cn8r4igs5bb3fgcn8ima65rk427kkxkl25a0n6adabg35nah"
-    },
-    "nix-index-database": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "Mic92",
-        "repo": "nix-index-database"
-      },
-      "branch": "main",
-      "revision": "afc8f5a6a2c00a89a6d6bdcaf4157797960f10f7",
-      "url": "https://github.com/Mic92/nix-index-database/archive/afc8f5a6a2c00a89a6d6bdcaf4157797960f10f7.tar.gz",
-      "hash": "0kh8nyxp44wv5i37jwylf6vvjcwnr6zfqavxajb3zglhkrdfija6"
-    },
-    "nixos-hardware": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "NixOS",
-        "repo": "nixos-hardware"
-      },
-      "branch": "master",
-      "revision": "9fc19be21f0807d6be092d70bf0b1de0c00ac895",
-      "url": "https://github.com/NixOS/nixos-hardware/archive/9fc19be21f0807d6be092d70bf0b1de0c00ac895.tar.gz",
-      "hash": "03v7iby2sqj020san93ajk9aq4iyxkvnrr27k4cia0n6pl8f87rq"
-    },
-    "nixpkgs": {
-      "type": "Channel",
-      "name": "nixos-unstable",
-      "url": "https://releases.nixos.org/nixos/unstable/nixos-24.11pre671089.d0e1602ddde6/nixexprs.tar.xz",
-      "hash": "08fh1nn216ldkcrflxggs752qbainm7va2l7ja45kjgkygaxffll"
-    },
-    "nur": {
-      "type": "Git",
-      "repository": {
-        "type": "GitHub",
-        "owner": "nix-community",
-        "repo": "NUR"
-      },
-      "branch": "master",
-      "revision": "f835dd9bd11145dd8bc0a0fa820fb1672a1c9b7a",
-      "url": "https://github.com/nix-community/NUR/archive/f835dd9bd11145dd8bc0a0fa820fb1672a1c9b7a.tar.gz",
-      "hash": "000nkskhdjh2nph2asxf0a1xj8gs91qq8kpi5wmr8v0nr6lk8h12"
-    }
-  },
-  "version": 3
-}
\ No newline at end of file