Nix maintenance (#201)

* Nix maintenance

- stdenv.lib has been deprecated (NixOS/nixpkgs#108938)
- replace linuxkit-nix (unmaintained) with nix-docker
- updated niv sources

* Add Nix workflow

* Adjust Nix build to use oxide target

* Use auth token for cachix

Co-authored-by: Nathaniel van Diepen <[email protected]>

.github/workflows/nix.yml

@@ -0,0 +1,44 @@
+name: Build with Nix
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'applications/**'
+      - 'shared/**'
+      - 'assets/**'
+      - 'interfaces/**'
+      - 'Makefile'
+      - '*.nix'
+  pull_request:
+    paths:
+      - 'applications/**'
+      - 'shared/**'
+      - 'assets/**'
+      - 'interfaces/**'
+      - 'Makefile'
+      - '*.nix'
+jobs:
+  nix-build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cachix/install-nix-action@v18
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - uses: cachix/cachix-action@v12
+      with:
+        name: nix-remarkable
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    - name: Build
+      run: nix-build --argstr system 'x86_64-linux'
+      timeout-minutes: 15
+    - run: |
+        mkdir output
+        cp -a result/. output/
+    - name: Save Artifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: output
+        path: output

README.md

@@ -20,10 +20,8 @@ Here is an outdated video of it in action:
 Install the reMarkable toolchain and then run `make release`. It will produce a folder named `release` containing all the output.
 
 ### Nix
-
-Works on x86_64-linux or macOS with
-[linuxkit-nix](https://github.com/nix-community/linuxkit-nix).
+Works on x86_64-linux or macOS via [nix-docker](https://github.com/LnL7/nix-docker).
 
 ```ShellSession
-$ nix build
+$ nix-build --argstr system 'x86_64-linux'
 ```

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "ba57d5a29b4e0f2085917010380ef3ddc3cf380f",
-        "sha256": "1kpsvc53x821cmjg1khvp1nz7906gczq8mp83664cr15h94sh8i4",
+        "rev": "5830a4dd348d77e39a0f3c4c762ff2663b602d4c",
+        "sha256": "1d3lsrqvci4qz2hwjrcnd8h5vfkg8aypq3sjd4g3izbc8frwz5sm",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/ba57d5a29b4e0f2085917010380ef3ddc3cf380f.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/5830a4dd348d77e39a0f3c4c762ff2663b602d4c.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nix-inclusive": {
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "db103e0f98d461f3e66cd68702492afca0810db5",
-        "sha256": "19gz926nqv7ggq281mv2qi1ah6a5slg2vvhsvc5jdnkp28m8f55k",
+        "rev": "77fda7f672726e1a95c8cd200f27bccfc86c870b",
+        "sha256": "07qj1d45pkqsmkahbhh7hilwwbvg8vlz1wg497hzjrlx1a57v4y5",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/db103e0f98d461f3e66cd68702492afca0810db5.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/77fda7f672726e1a95c8cd200f27bccfc86c870b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }

oxide.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, inclusive, qt512, remarkable-toolchain }:
+{ stdenv, lib, fetchFromGitHub, inclusive, qt512, remarkable-toolchain }:
 
 stdenv.mkDerivation {
   name = "oxide";
@@ -14,17 +14,17 @@ stdenv.mkDerivation {
   ];
 
   preBuild = ''
-    source ${remarkable-toolchain}/environment-setup-cortexa9hf-neon-oe-linux-gnueabi
+    source ${remarkable-toolchain}/environment-setup-cortexa9hf-neon-remarkable-linux-gnueabi
   '';
 
   enableParallelBuilding = true;
   makeFlags = [ "release" ];
 
   installPhase = ''
-    cp -r release/. $out
+    cp -a release/. $out
   '';
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "A launcher application for the reMarkable tablet";
     platform = [ "x86_64-linux" ];
     maintainers = [ maintainers.siraben ];