Find CRAN/incoming updates #24

	on:
	workflow_dispatch:
	schedule:
	- cron: '30 4 * * *'

	name: Check for CRAN updates

	concurrency: ${{ github.workflow }}

	permissions:
	contents: write
	actions: write

	jobs:
	updates:
	runs-on: ubuntu-latest
	name: Check for CRAN updates
	container:
	image: ghcr.io/r-hub/r-minimal/r-minimal:latest
	steps:
	- name: Checkout
	uses: actions/checkout@v6
	with:
	ref: 'updates'

	- name: Find updates
	timeout-minutes: 10
	run: \|
	df <- as.data.frame(available.packages(repos = 'https://p3m.dev/cran/latest'))
	newpkgs <- paste(df$Package, df$Version)
	oldpkgs <- readLines("cran.txt")
	changes <- sub(" .*", "", setdiff(newpkgs, oldpkgs))
	writeLines(changes, 'changes.txt')
	writeLines(newpkgs, 'newcran.txt')
	shell: Rscript {0}

	- uses: actions/upload-artifact@v7
	if: always()
	with:
	name: updates
	path: \|
	changes.txt
	newcran.txt

	trigger:
	runs-on: ubuntu-latest
	needs: [updates]
	name: Commit and trigger checks
	steps:
	- name: Checkout
	uses: actions/checkout@v6
	with:
	ref: 'updates'

	- uses: actions/download-artifact@v8
	with:
	name: updates
	path: '/tmp/updates'

	- name: Commit new cran
	shell: bash
	run: \|
	git config user.name "${{ github.actor }}"
	git config user.email "${{ github.actor }}@users.noreply.github.com"
	cp -f /tmp/updates/newcran.txt cran.txt
	git add cran.txt
	git commit -m "Update CRAN" \|\| exit 0
	git push

	- name: Trigger checks
	run: \|
	while read package; do
	echo "Triggering $package"
	gh workflow run check.yml -f package=$package \|\| true
	sleep 10
	done </tmp/updates/changes.txt
	env:
	GH_TOKEN: ${{ github.token }}

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