Add CI (#7)

Author: fboemer

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+# Copyright 2024 Apple Inc. and the Swift Homomorphic Encryption project authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: CI
+permissions:
+  contents: read
+on:
+  workflow_dispatch:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+    types: [opened, reopened, synchronize, ready_for_review]
+# Pushing changes to PR stops currently-running CI
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  pre-commit:
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install pre-commit
+      run: pip install pre-commit
+    - name: Pre-commit checks
+      # CI will commit to `main`
+      run: >
+        SKIP=no-commit-to-branch
+        pre-commit run --all-files

.pre-commit-config.yaml

@@ -51,9 +51,9 @@ repos:
            - copyright-header.txt
            - --allow-past-years
 -   repo: https://github.com/bufbuild/buf
-    rev: v1.34.0
+    rev: v1.36.0
     hooks:
       - id: buf-lint
       - id: buf-format
       - id: buf-breaking
-        args: [--against, '.git#branch=main']
+        args: [--against, 'https://github.com/apple/swift-homomorphic-encryption-protobuf.git#branch=main']

README.md

@@ -12,4 +12,4 @@ To install `pre-commit`, follow instructions in https://pre-commit.com/. We reco
 
 ### Pull Requests:
 Before making a commit for a pull request, please run `pre-commit install`.
-Then on each commit some basic formatting checks will be run.
+Then on each commit some basic formatting checks will be run.