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: Install dependencies
        run: |
          # configure container policy to accept insecure registry
          nix-env -iA nixpkgs.nodejs nixpkgs.podman nixpkgs.kvmtool nixpkgs.curl nixpkgs.jq

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

      - uses: actions/checkout@v4

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

          curl --fail -u ${{ forge.actor }}:${{ forge.token }} -sS ${{ forge.server_url }}/v2/token | jq --raw-output '"Authorization: token \(.token)"' > /tmp/forgejo_token

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

      - name: Push image
        run: |
          set -x

          podman manifest rm localhost:${{ env.tag }} || true
          podman manifest create localhost:${{ env.tag }} localhost/default:${{ env.tag }}

          podman manifest inspect localhost:${{ env.tag }} > /tmp/manifest.json
          curl -sS @/tmp/forgejo_token -X PUT --data-binary @/tmp/manifest.json ${{ forge.server_url }}/v2/amarth/runners/manifests/${{ env.tag }}