action.yml

name: 'Downgrade Julia compat entries'
description: 'Uses Resolver.jl to find and install minimal compatible versions of dependencies.'
inputs:
  skip:
    description: 'Comma-separated list of packages to not downgrade.'
    default: ''
  projects:
    description: 'Comma-separated list of Julia projects to resolve.'
    default: '.'
  mode:
    description: 'Downgrade mode: deps (direct dependencies), alldeps (deps + weakdeps), weakdeps (only weakdeps), forcedeps (deps with strict lower bound verification)'
    default: 'alldeps'
  julia_version:
    description: 'Julia version to use with resolver. Numeric like "1.10", or a channel alias: "1"/"nightly" (current runtime Julia), "lts"/"release" (juliaup version database), "pre" (latest version incl. prereleases), "min" (the project''s julia compat lower bound).'
    default: '1'
  no_promote:
    description: 'Comma-separated weakdep extensions to keep as weakdeps in the merged resolution instead of promoting them into the joint floor-resolve. Every other weakdep extension is still promoted and floor-tested together; use this only to exclude a backend that is currently unresolvable on its own (e.g. "Mooncake", whose graph Resolver.jl cannot --min-resolve).'
    default: ''
runs:
  using: "composite"
  steps:
    - run: julia --color=yes "${{ github.action_path }}/downgrade.jl" "${{ inputs.skip }}" "${{ inputs.projects }}" "${{ inputs.mode }}" "${{ inputs.julia_version }}" "${{ inputs.no_promote }}"
      shell: bash
branding:
  icon: trending-down
  color: purple