name: Create OCI image(s)

on:
  workflow_dispatch:
  push:
    branches:
      - main

env:
  registry: git.amarth.cloud
  owner: amarth
  image: default
  tag: latest

jobs:
  build:
    name: Build and push images
    runs-on: default
    steps:
      - name: Checkout
        run: |
          git clone ssh://forgejo@git.amarth.cloud/${{ forge.repository }}.git .

      - name: Prepare podman
        run: |
          # configure container policy to accept insecure registry
          nix-env -iA nixpkgs.podman nixpkgs.kvmtool

          # configure container policy to accept insecure registry
          mkdir -p ~/.config/containers
          echo '{ "default": [ {"type":"insecureAcceptAnything"} ] }' > ~/.config/containers/policy.json

      - name: Log into registry
        run: |
          podman login --username "${{ forge.actor }}" --password "${{ forge.token }}" ${{ env.registry }}

      - name: Create image
        run: |
          nix-build src/default.nix
          podman load < result

      - name: Push image
        run: >-
          podman push
          --creds="${{ forge.actor }}:${{ forge.token }}"
          localhost/default:latest
          ${{ env.registry }}/${{ env.owner }}/${{ env.image }}:${{ env.tag }}