spring cleaning (#165)

* treewide: lightly refactor everything

* once_cell -> std::sync

* remove build.rs

we can get our target at runtime

* commands::copypasta: refactor selection

* drop owo_colors

* reactboard: always remove author from count

* commands: better handle behavior outside of guilds

* ci: garnix -> gha

* nix: drop flake-parts & pre-commit-hooks

* nix: fix rust flags in derivation

* add gha badge to readme

* ci: fail when format changes are made

* ci: only run on push to main

* nix: fix nil script

* nix: add libiconv to darwin deps

* ci: disable fail-fast

* nix: fix actionlint & static checks

* ci: add release gates

* nix: fix nil check again

* ci: give release gates unique names

* ci: only build static packages in docker workflow

* nix: move dev outputs to subflake

* fix some typos

* nix: cleanup checks & dev shell

* add editorconfig

1 files changed, 64 insertions, 0 deletions

diff --git a/.github/workflows/nix.yaml b/.github/workflows/nix.yaml
new file mode 100644
index 0000000..4427afa
--- /dev/null
+++ b/.github/workflows/nix.yaml
@@ -0,0 +1,64 @@
+name: Nix
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v10
+
+      - name: Setup Nix cache
+        uses: DeterminateSystems/magic-nix-cache-action@v4
+
+      - name: Run build
+        run: nix build --fallback --print-build-logs
+
+  check:
+    name: Check flake
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v10
+
+      - name: Setup Nix cache
+        uses: DeterminateSystems/magic-nix-cache-action@v4
+
+      - name: Run nix flake check
+        run: |
+          nix flake check \
+            --all-systems \
+            --fallback \
+            --print-build-logs \
+            --show-trace
+
+  release-gate:
+    name: Nix Release Gate
+    needs: [build, check]
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Exit with result
+        run: echo "We're good to go!"