reusable_fetch_version.yaml

# This is a reusable workflow used by master and release CI
on:
  workflow_call:
    outputs:
      version:
        description: "Falco version"
        value: ${{ jobs.fetch-version.outputs.version }}

permissions:  
  contents: read

jobs:
  # We need to use an ubuntu-latest to fetch Falco version because
  # Falco version is computed by some cmake scripts that do git sorceries
  # to get the current version.
  # But centos7 jobs have a git version too old and actions/checkout does not
  # fully clone the repo, but uses http rest api instead.
  fetch-version:
    runs-on: ubuntu-latest
    # Map the job outputs to step outputs
    outputs:
      version: ${{ steps.store_version.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
        with:
          fetch-depth: 0

      - name: Install build dependencies
        run: |
          sudo apt update
          sudo apt install -y cmake build-essential

      - name: Configure project
        run: |
          cmake -B build -S . -DUSE_BUNDLED_DEPS=On -DUSE_DYNAMIC_LIBELF=Off

      - name: Load and store Falco version output
        id: store_version
        run: |
          FALCO_VERSION=$(cat build/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
          echo "version=${FALCO_VERSION}" >> $GITHUB_OUTPUT