4 files changed, 716 insertions, 0 deletions

diff --git a/util/nix/poetry.lock b/util/nix/poetry.lock
new file mode 100644
index 000000000..9bb0f64de
--- /dev/null
+++ b/util/nix/poetry.lock
@@ -0,0 +1,468 @@
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+    {file = "flake8_polyfill-1.0.2-py2.py3-none-any.whl", hash = "sha256:12be6a34ee3ab795b19ca73505e7b55826d5f6ad7230d31b18e106400169b9e9"},
+]
+halo = [
+    {file = "halo-0.0.31-py2-none-any.whl", hash = "sha256:5350488fb7d2aa7c31a1344120cee67a872901ce8858f60da7946cef96c208ab"},
+    {file = "halo-0.0.31.tar.gz", hash = "sha256:7b67a3521ee91d53b7152d4ee3452811e1d2a6321975137762eb3d70063cc9d6"},
+]
+hid = [
+    {file = "hid-1.0.4-py2-none-any.whl", hash = "sha256:fba9913f07030b01059b822b24c83b370ca3f444e9e6443bd662f9f1aa3f0780"},
+    {file = "hid-1.0.4.tar.gz", hash = "sha256:f61b0382f37a334bc8ba8604bc84b94875ee4f594fbbaf82b2c3b3e827883fc1"},
+]
+hjson = [
+    {file = "hjson-3.0.2-py3-none-any.whl", hash = "sha256:5546438bf4e1b52bc964c6a47c4ed10fa5fba8a1b264e22efa893e333baad2db"},
+    {file = "hjson-3.0.2.tar.gz", hash = "sha256:2838fd7200e5839ea4516ece953f3a19892c41089f0d933ba3f68e596aacfcd5"},
+]
+jsonschema = [
+    {file = "jsonschema-3.2.0-py2.py3-none-any.whl", hash = "sha256:4e5b3cf8216f577bee9ce139cbe72eca3ea4f292ec60928ff24758ce626cd163"},
+    {file = "jsonschema-3.2.0.tar.gz", hash = "sha256:c8a85b28d377cc7737e46e2d9f2b4f44ee3c0e1deac6bf46ddefc7187d30797a"},
+]
+log-symbols = [
+    {file = "log_symbols-0.0.14-py3-none-any.whl", hash = "sha256:4952106ff8b605ab7d5081dd2c7e6ca7374584eff7086f499c06edd1ce56dcca"},
+    {file = "log_symbols-0.0.14.tar.gz", hash = "sha256:cf0bbc6fe1a8e53f0d174a716bc625c4f87043cc21eb55dd8a740cfe22680556"},
+]
+mccabe = [
+    {file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
+    {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
+]
+milc = [
+    {file = "milc-1.6.2-py2.py3-none-any.whl", hash = "sha256:cb26404c7f3d6797c9c42005de732161e45e21294cde85845e914b279321bdad"},
+    {file = "milc-1.6.2.tar.gz", hash = "sha256:779710a0b9300bef3c5748158887e6c734659e147d55548d9e4701d7a7d5dddf"},
+]
+nose2 = [
+    {file = "nose2-0.10.0-py2.py3-none-any.whl", hash = "sha256:aa620e759f2c5018d9ba041340391913e282ecebd3c392027f1575847b093ec6"},
+    {file = "nose2-0.10.0.tar.gz", hash = "sha256:886ba617a96de0130c54b24479bd5c2d74d5c940d40f3809c3a275511a0c4a60"},
+]
+pep8-naming = [
+    {file = "pep8-naming-0.12.1.tar.gz", hash = "sha256:bb2455947757d162aa4cad55dba4ce029005cd1692f2899a21d51d8630ca7841"},
+    {file = "pep8_naming-0.12.1-py2.py3-none-any.whl", hash = "sha256:4a8daeaeb33cfcde779309fc0c9c0a68a3bbe2ad8a8308b763c5068f86eb9f37"},
+]
+pycodestyle = [
+    {file = "pycodestyle-2.7.0-py2.py3-none-any.whl", hash = "sha256:514f76d918fcc0b55c6680472f0a37970994e07bbb80725808c17089be302068"},
+    {file = "pycodestyle-2.7.0.tar.gz", hash = "sha256:c389c1d06bf7904078ca03399a4816f974a1d590090fecea0c63ec26ebaf1cef"},
+]
+pyflakes = [
+    {file = "pyflakes-2.3.1-py2.py3-none-any.whl", hash = "sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3"},
+    {file = "pyflakes-2.3.1.tar.gz", hash = "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"},
+]
+pygments = [
+    {file = "Pygments-2.10.0-py3-none-any.whl", hash = "sha256:b8e67fe6af78f492b3c4b3e2970c0624cbf08beb1e493b2c99b9fa1b67a20380"},
+    {file = "Pygments-2.10.0.tar.gz", hash = "sha256:f398865f7eb6874156579fdf36bc840a03cab64d1cde9e93d68f46a425ec52c6"},
+]
+pyrsistent = [
+    {file = "pyrsistent-0.18.0-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:f4c8cabb46ff8e5d61f56a037974228e978f26bfefce4f61a4b1ac0ba7a2ab72"},
+    {file = "pyrsistent-0.18.0-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:da6e5e818d18459fa46fac0a4a4e543507fe1110e808101277c5a2b5bab0cd2d"},
+    {file = "pyrsistent-0.18.0-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:5e4395bbf841693eaebaa5bb5c8f5cdbb1d139e07c975c682ec4e4f8126e03d2"},
+    {file = "pyrsistent-0.18.0-cp36-cp36m-win32.whl", hash = "sha256:527be2bfa8dc80f6f8ddd65242ba476a6c4fb4e3aedbf281dfbac1b1ed4165b1"},
+    {file = "pyrsistent-0.18.0-cp36-cp36m-win_amd64.whl", hash = "sha256:2aaf19dc8ce517a8653746d98e962ef480ff34b6bc563fc067be6401ffb457c7"},
+    {file = "pyrsistent-0.18.0-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:58a70d93fb79dc585b21f9d72487b929a6fe58da0754fa4cb9f279bb92369396"},
+    {file = "pyrsistent-0.18.0-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:4916c10896721e472ee12c95cdc2891ce5890898d2f9907b1b4ae0f53588b710"},
+    {file = "pyrsistent-0.18.0-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:73ff61b1411e3fb0ba144b8f08d6749749775fe89688093e1efef9839d2dcc35"},
+    {file = "pyrsistent-0.18.0-cp37-cp37m-win32.whl", hash = "sha256:b29b869cf58412ca5738d23691e96d8aff535e17390128a1a52717c9a109da4f"},
+    {file = "pyrsistent-0.18.0-cp37-cp37m-win_amd64.whl", hash = "sha256:097b96f129dd36a8c9e33594e7ebb151b1515eb52cceb08474c10a5479e799f2"},
+    {file = "pyrsistent-0.18.0-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:772e94c2c6864f2cd2ffbe58bb3bdefbe2a32afa0acb1a77e472aac831f83427"},
+    {file = "pyrsistent-0.18.0-cp38-cp38-manylinux1_i686.whl", hash = "sha256:c1a9ff320fa699337e05edcaae79ef8c2880b52720bc031b219e5b5008ebbdef"},
+    {file = "pyrsistent-0.18.0-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:cd3caef37a415fd0dae6148a1b6957a8c5f275a62cca02e18474608cb263640c"},
+    {file = "pyrsistent-0.18.0-cp38-cp38-win32.whl", hash = "sha256:e79d94ca58fcafef6395f6352383fa1a76922268fa02caa2272fff501c2fdc78"},
+    {file = "pyrsistent-0.18.0-cp38-cp38-win_amd64.whl", hash = "sha256:a0c772d791c38bbc77be659af29bb14c38ced151433592e326361610250c605b"},
+    {file = "pyrsistent-0.18.0-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:d5ec194c9c573aafaceebf05fc400656722793dac57f254cd4741f3c27ae57b4"},
+    {file = "pyrsistent-0.18.0-cp39-cp39-manylinux1_i686.whl", hash = "sha256:6b5eed00e597b5b5773b4ca30bd48a5774ef1e96f2a45d105db5b4ebb4bca680"},
+    {file = "pyrsistent-0.18.0-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:48578680353f41dca1ca3dc48629fb77dfc745128b56fc01096b2530c13fd426"},
+    {file = "pyrsistent-0.18.0-cp39-cp39-win32.whl", hash = "sha256:f3ef98d7b76da5eb19c37fda834d50262ff9167c65658d1d8f974d2e4d90676b"},
+    {file = "pyrsistent-0.18.0-cp39-cp39-win_amd64.whl", hash = "sha256:404e1f1d254d314d55adb8d87f4f465c8693d6f902f67eb6ef5b4526dc58e6ea"},
+    {file = "pyrsistent-0.18.0.tar.gz", hash = "sha256:773c781216f8c2900b42a7b638d5b517bb134ae1acbebe4d1e8f1f41ea60eb4b"},
+]
+pyusb = [
+    {file = "pyusb-1.2.1-py3-none-any.whl", hash = "sha256:2b4c7cb86dbadf044dfb9d3a4ff69fd217013dbe78a792177a3feb172449ea36"},
+    {file = "pyusb-1.2.1.tar.gz", hash = "sha256:a4cc7404a203144754164b8b40994e2849fde1cfff06b08492f12fff9d9de7b9"},
+]
+qmk = [
+    {file = "qmk-1.0.0-py2.py3-none-any.whl", hash = "sha256:63d69b97a533d91b0cfa7887e68cac7df52c6f7bddf4bf44d17ef1241d85ffff"},
+    {file = "qmk-1.0.0.tar.gz", hash = "sha256:da62eec73c4548cc37b0b9be3937202dc3a301dc2f2663610ecca751a610f9ca"},
+]
+qmk-dotty-dict = [
+    {file = "qmk_dotty_dict-1.3.0.post1-py3-none-any.whl", hash = "sha256:a9cb7fc3ff9631190fee0ecac14986a0ac7b4b6892347dc9d7486a4c4ea24492"},
+    {file = "qmk_dotty_dict-1.3.0.post1.tar.gz", hash = "sha256:3b611e393660bfaa6835c68e94784bae80fe07b8490978b5ecab03a0d2fc7ea2"},
+]
+six = [
+    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
+    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
+]
+spinners = [
+    {file = "spinners-0.0.24-py3-none-any.whl", hash = "sha256:2fa30d0b72c9650ad12bbe031c9943b8d441e41b4f5602b0ec977a19f3290e98"},
+    {file = "spinners-0.0.24.tar.gz", hash = "sha256:1eb6aeb4781d72ab42ed8a01dcf20f3002bf50740d7154d12fb8c9769bf9e27f"},
+]
+termcolor = [
+    {file = "termcolor-1.1.0.tar.gz", hash = "sha256:1d6d69ce66211143803fbc56652b41d73b4a400a2891d7bf7a1cdf4c02de613b"},
+]
+yapf = [
+    {file = "yapf-0.31.0-py2.py3-none-any.whl", hash = "sha256:e3a234ba8455fe201eaa649cdac872d590089a18b661e39bbac7020978dd9c2e"},
+    {file = "yapf-0.31.0.tar.gz", hash = "sha256:408fb9a2b254c302f49db83c59f9aa0b4b0fd0ec25be3a5c51181327922ff63d"},
+]
diff --git a/util/nix/pyproject.toml b/util/nix/pyproject.toml
new file mode 100644
index 000000000..1ec8aacd4
--- /dev/null
+++ b/util/nix/pyproject.toml
@@ -0,0 +1,36 @@
+# This file should be kept in sync with requirements.txt and requirements-dev.txt
+# It is particularly required by the Nix environment (see shell.nix). To update versions,
+# normally one would run "poetry update --lock"
+[tool.poetry]
+name = "qmk_firmware"
+version = "0.1.0"
+description = ""
+authors = []
+
+[tool.poetry.dependencies]
+python = "^3.8"
+appdirs = "*"
+argcomplete = "*"
+colorama = "*"
+hid = "*"
+hjson = "*"
+jsonschema = ">=3"
+milc = ">=1.4.2"
+Pygments = "*"
+pyusb = "*"
+qmk-dotty-dict = "*"
+
+# This dependency is not mentioned in requirements.txt (QMK CLI is not a
+# library package that is required by the Python code in qmk_firmware), but is
+# required to build a proper nix-shell environment.
+qmk = "*"
+
+[tool.poetry.dev-dependencies]
+nose2 = "*"
+flake8 = "*"
+pep8-naming = "*"
+yapf = "*"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
diff --git a/util/nix/sources.json b/util/nix/sources.json
new file mode 100644
index 000000000..caf5cb7d2
--- /dev/null
+++ b/util/nix/sources.json
@@ -0,0 +1,38 @@
+{
+    "niv": {
+        "branch": "master",
+        "description": "Easy dependency management for Nix projects",
+        "homepage": "https://github.com/nmattia/niv",
+        "owner": "nmattia",
+        "repo": "niv",
+        "rev": "af958e8057f345ee1aca714c1247ef3ba1c15f5e",
+        "sha256": "1qjavxabbrsh73yck5dcq8jggvh3r2jkbr6b5nlz5d9yrqm9255n",
+        "type": "tarball",
+        "url": "https://github.com/nmattia/niv/archive/af958e8057f345ee1aca714c1247ef3ba1c15f5e.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "nixpkgs": {
+        "branch": "nixpkgs-unstable",
+        "description": "Nix Packages collection",
+        "homepage": "",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c0e881852006b132236cbf0301bd1939bb50867e",
+        "sha256": "0fy7z7yxk5n7yslsvx5cyc6h21qwi4bhxf3awhirniszlbvaazy2",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/c0e881852006b132236cbf0301bd1939bb50867e.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "poetry2nix": {
+        "branch": "master",
+        "description": "Convert poetry projects to nix automagically [maintainer=@adisbladis] ",
+        "homepage": "",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "2d27d44397242b28c3f0081e0432e4f6c951f3a1",
+        "sha256": "06syfg150r59m4kksj5547b5kwxjxjaif5hiljcq966kb9hxsvmv",
+        "type": "tarball",
+        "url": "https://github.com/nix-community/poetry2nix/archive/2d27d44397242b28c3f0081e0432e4f6c951f3a1.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    }
+}
diff --git a/util/nix/sources.nix b/util/nix/sources.nix
new file mode 100644
index 000000000..1938409dd
--- /dev/null
+++ b/util/nix/sources.nix
@@ -0,0 +1,174 @@
+# This file has been generated by Niv.
+
+let
+
+  #
+  # The fetchers. fetch_<type> fetches specs of type <type>.
+  #
+
+  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_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_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 '${name}': Please specify `ref`, `tag` or `branch`!";
+    in
+      builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
+
+  fetch_local = spec: spec.path;
+
+  fetch_builtin-tarball = name: throw
+    ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
+        $ niv modify ${name} -a type=tarball -a builtin=true'';
+
+  fetch_builtin-url = name: throw
+    ''[${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: system:
+    let
+      sourcesNixpkgs =
+        import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
+      hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
+      hasThisAsNixpkgsPath = <nixpkgs> == ./.;
+    in
+      if builtins.hasAttr "nixpkgs" sources
+      then sourcesNixpkgs
+      else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
+        import <nixpkgs> {}
+      else
+        abort
+          ''
+            Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
+            add a package called "nixpkgs" to your sources.json.
+          '';
+
+  # The actual fetching function.
+  fetch = pkgs: name: spec:
+
+    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 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_${saneName}";
+    in
+      if ersatz == "" then drv else
+        # this turns the string into an actual Nix path (for both absolute and
+        # relative paths)
+        if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
+
+  # Ports of functions for older nix versions
+
+  # a Nix version of mapAttrs if the built-in doesn't exist
+  mapAttrs = builtins.mapAttrs or (
+    f: set: with builtins;
+    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, name ? null, sha256 }@attrs:
+    let
+      inherit (builtins) lessThan nixVersion fetchTarball;
+    in
+      if lessThan nixVersion "1.12" then
+        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, name ? null, sha256 }@attrs:
+    let
+      inherit (builtins) lessThan nixVersion fetchurl;
+    in
+      if lessThan nixVersion "1.12" then
+        fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
+      else
+        fetchurl attrs;
+
+  # Create the final "sources" from the config
+  mkSources = config:
+    mapAttrs (
+      name: spec:
+        if builtins.hasAttr "outPath" spec
+        then abort
+          "The values in sources.json should not have an 'outPath' attribute"
+        else
+          spec // { outPath = replace name (fetch config.pkgs name spec); }
+    ) config.sources;
+
+  # The "config" used by the fetchers
+  mkConfig =
+    { 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;
+
+      # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
+      inherit pkgs;
+    };
+
+in
+mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }