name: setup-ci
description: Prepare common tools and environment shared by CI jobs.

runs:
  using: composite
  steps:
    # TODO(anp): Move this under CI_BUILD_ROOT once all consumers use the
    # shared build-path contract.
    - name: Configure Cargo target directory
      shell: bash
      run: echo "CARGO_TARGET_DIR=${CARGO_TARGET_DIR:-$GITHUB_WORKSPACE/codex-rs/target}" >> "$GITHUB_ENV"

    - name: Prefer the Git CLI for Cargo git dependencies
      shell: bash
      run: echo "CARGO_NET_GIT_FETCH_WITH_CLI=true" >> "$GITHUB_ENV"

    - name: Install DotSlash
      uses: facebook/install-dotslash@1e4e7b3e07eaca387acb98f1d4720e0bee8dbb6a # v2

    - name: Install just
      uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
      with:
        tool: just@1.51.0

    # Some integration tests spawn DotSlash from a stable system path rather
    # than inheriting the action-local PATH entry.
    - name: Make DotSlash available in PATH (Unix)
      if: runner.os != 'Windows'
      shell: bash
      run: |
        if [[ -w /usr/local/bin ]]; then
          cp "$(which dotslash)" /usr/local/bin
        else
          sudo cp "$(which dotslash)" /usr/local/bin
        fi

    - name: Make DotSlash available in PATH (Windows)
      if: runner.os == 'Windows'
      shell: pwsh
      run: Copy-Item (Get-Command dotslash).Source -Destination "$env:LOCALAPPDATA\Microsoft\WindowsApps\dotslash.exe"

    - name: Enable Git long paths (Windows)
      if: runner.os == 'Windows'
      shell: pwsh
      run: git config --global core.longpaths true