Merge pull request #550 from ropensci/available_dates #130

	on:
	push:
	branches: [main, master]

	name: update codemeta

	permissions: write-all

	jobs:
	codemetar:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Create this folder to silence warning
	run: mkdir -p ~/.nix-defexpr/channels

	- name: config bot user and check for DESCRIPTION changes
	id: check_desc
	run: \|
	git config --local user.name "$GITHUB_ACTOR"
	git config --local user.email "[email protected]"
	# Fetch enough history to compare
	git fetch origin ${{ github.ref }} --depth=2
	# Check if DESCRIPTION was modified in this push
	if git diff --name-only ${{ github.event.before }} HEAD \| grep -q '^DESCRIPTION$'; then
	echo "has_changes=true" >> $GITHUB_ENV
	else
	echo "has_changes=false" >> $GITHUB_ENV
	fi

	- name: Install Nix
	if: env.has_changes == 'true'
	uses: DeterminateSystems/nix-installer-action@main

	- uses: cachix/cachix-action@v15
	if: env.has_changes == 'true'
	with:
	name: rstats-on-nix

	- name: Update codemeta
	if: env.has_changes == 'true'
	run: \|
	nix-shell --quiet default.nix --run "Rscript -e 'codemetar::write_codemeta()'"

	- name: Commit and push results
	if: env.has_changes == 'true'
	run: \|
	git add codemeta.json
	if ! git diff --staged --quiet; then
	git commit -m 'Re-build codemeta.json'
	git push https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}.git HEAD:${{ github.ref }}
	else
	echo "No changes to commit"
	fi

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