Build binary release on CI

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: "release"
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  release:
+    name: "Release"
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2.3.4
+    - uses: cachix/install-nix-action@v13
+      with:
+        nix_path: nixpkgs=channel:nixos-21.05
+    - uses: cachix/cachix-action@v10
+      with:
+        name: ninegua
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    - run: nix-build
+    - run: export name=ic-utils-$(echo ${{ github.ref }} | cut -d/ -f3) && tar -zcv -C result/ --transform "s,^.,$name," -f $name-linux-x86_64.tar.gz .
+    - name: Upload release package
+      uses: svenstaro/upload-release-action@v2
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        tag: ${{ github.ref }}
+        file: ic-utils-*.tar.gz
+        file_glob: true

default.nix

@@ -43,9 +43,8 @@ let
     in !(baseName == "dist-newstyle" || lib.hasSuffix ".vim" baseName)
     && lib.sources.cleanSourceFilter name type;
   cleanSource = src: lib.sources.cleanSourceWith { inherit filter src; };
-in with pkgs;
-stdenv.mkDerivation {
-  name = "ic-util";
+in stdenv.mkDerivation {
+  name = "ic-utils";
   version = "0.1.0-pre";
   phases = [ "installPhase" ];
   installPhase = ''