#
# Copyright 2021 The Sigstore 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: CodeQL

on:
  push:
    paths:
     - '**'
     - '!**.md'
     - '!doc/**'
     - '!**.txt'
     - '!images/**'
     - '!LICENSE'
     - 'test/**'
    branches: [ main ]

env:
  CODEQL_EXTRACTOR_GO_BUILD_TRACING: true

permissions: {}

jobs:
  analyze:
    name: Analyze
    runs-on: ubuntu-latest

    if: github.repository == 'sigstore/cosign'

    permissions:
      security-events: write
      actions: read
      contents: read

    strategy:
      fail-fast: false
      matrix:
        language: [ 'go' ]

    steps:
    - name: Checkout repository
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      with:
        persist-credentials: false

    - name: Utilize Go Module Cache
      uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
      with:
        path: |
          ~/go/pkg/mod
          ~/.cache/go-build
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-

    - name: Extract version of Go to use
      run: echo "GOVERSION=$(awk -F'[:@]' '/FROM golang/{print $2; exit}' Dockerfile)" >> $GITHUB_ENV

    - uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6.2.0
      with:
        go-version: '${{ env.GOVERSION }}'
        check-latest: true
        cache: false

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@65c74964a9ed8c44ed9f19d4bbc5757a6a8e9ab9 # v2.16.1
      with:
        languages: ${{ matrix.language }}

    - name: Build cosign for CodeQL
      run: make cosign

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@65c74964a9ed8c44ed9f19d4bbc5757a6a8e9ab9 # v2.16.1
