name: Check MSRV

on:
  workflow_call:
  workflow_dispatch:

jobs:
  check-msrv:
    runs-on: ubuntu-latest
    steps:
      - name: Fetch Repository
        uses: actions/checkout@v4

      - name: Install stable toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1

      - uses: cargo-bins/cargo-binstall@main

      - name: Install cargo-msrv
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-msrv

      - name: Get current msrv
        id: data-msrv
        run: |
          current_msrv=$(cargo msrv show --output-format minimal);
          echo "current msrv: $current_msrv";
          echo "current=$current_msrv" >> "$GITHUB_OUTPUT";

      - name: Run cargo msrv
        run: cargo msrv verify --min ${{ steps.data-msrv.outputs.current }}

      - name: echo msrv info
        if: failure()
        run: |-
          echo "current msrv: ${{ steps.data-msrv.outputs.current }}";
          new_msrv=$(cargo msrv show --output-format minimal);
          echo "new msrv: $new_msrv";