on:
  push:
    branches:
      - '*'
    paths:
      - src/**
      - static/graph*
      - static/welcome.toml
      - .forgejo/**
      - .justfile
      - Cargo.toml
      - Cargo.lock

jobs:
  verify:
    runs-on: docker
    timeout-minutes: 20
    container:
      image: rust:slim
      env:
        RUSTUP_HOME: /rust/rustup
        CARGO_HOME: /rust/cargo
    steps:
      - name: Install action dependencies
        run: >
          apt-get install --no-install-recommends --update -y
          nodejs git

      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-tags: true

      - name: Set up Rust toolchain
        run: |
          mkdir -p "$RUSTUP_HOME"
          mkdir -p "$CARGO_HOME"

          rust_version=$(
              grep '^rust-version = "' Cargo.toml \
              | cut -d '"' -f 2
          )

          # rustup default "$rust_version"
          # rustup toolchain install nightly
          # rustup component add llvm-tools
          # rustup component add --toolchain nightly rustfmt clippy
          # rustup target add x86_64-unknown-linux-musl x86_64-unknown-linux-gnu

      - name: Set up CI user
        run: |
          useradd -m ci
          chown -R ci:ci "$RUSTUP_HOME" "$CARGO_HOME" "$PWD" /nix
          printf '[safe]\ndirectory = %s\n' "$PWD" > /etc/gitconfig

      - name: Set up Nix
        run: |
          mkdir /etc/nix
          echo experimental-features = nix-command flakes \
            >> /etc/nix/nix.conf
          su ci -c "\
            sh -c 'curl -L https://nixos.org/nix/install |
              bash -s -- --no-daemon' \
          "

      - name: Set up Nix development shell
        run: su ci -c "nix develop --command just smoke"
      - name: Assess
        run: su ci -c "nix develop --command just verify"