Generate Theme Previews #5

	name: Generate Theme Previews
	permissions:
	contents: write
	packages: write
	on:
	workflow_dispatch:
	push:
	branches: [ main ]
	paths: [ 'twilite.json', 'twilite-darker.json' ]
	pull_request:
	branches: [ main ]
	paths: [ 'twilite.json', 'twilite-darker.json' ]
	jobs:
	generate:
	runs-on: ubuntu-latest
	defaults:
	run:
	shell: bash -el {0}
	steps:
	- uses: actions/checkout@v4
	- uses: conda-incubator/setup-miniconda@v3
	with:
	channels: conda-forge,defaults
	environment-file: environment.yml
	activate-environment: twilite-theme
	python-version: 3.11
	use-mamba: false
	# Debug steps are to show conda env
	- name: Conda debugging
	if: runner.debug == '1'
	run: \|
	conda env export
	conda env list
	- name: Generate PNG previews
	shell: bash -el {0}
	run: python ./scripts/generate_previews.py
	- name: Git config
	run: \|
	git config --local user.email 'action@github.com'
	git config --local user.name 'GitHub Action'
	- name: Commit previews
	run: \|
	git add assets/img/
	git status --porcelain assets/img/ \| grep -q . \|\| exit 0
	git diff --staged --quiet \|\| git commit -m 'chore(preview): regenerate theme preview ♡'
	git push

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