Add the pre-commit.

.github/actions/moshi_build/action.yml

@@ -0,0 +1,28 @@
+name: moshi_build
+description: 'Build env.'
+runs:
+  using: "composite"
+  steps:
+  - uses: actions/setup-python@v2
+    with:
+      python-version: '3.10.14'
+  - uses: actions/cache@v3
+    id: cache
+    with:
+      path: env
+      key: env-${{ hashFiles('moshi/pyproject.toml') }}
+  - name: Install dependencies
+    if: steps.cache.outputs.cache-hit != 'true'
+    shell: bash
+    run: |
+      python3 -m venv env
+      .  env/bin/activate
+      python -m pip install --upgrade pip
+      pip install torch==2.4.0 --index-url https://download.pytorch.org/whl/cpu
+      pip install moshi==0.2.6
+      pip install pre-commit
+  - name: Setup env
+    shell: bash
+    run: |
+      source  env/bin/activate
+      pre-commit install

.github/workflows/precommit.yml

@@ -0,0 +1,17 @@
+name: precommit
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  run_precommit:
+    name: Run precommit
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/moshi_build
+      - run: |
+          . env/bin/activate
+          bash .git/hooks/pre-commit