sync-version #139

	name: sync-version
	on:
	push:
	branches:
	- master
	schedule:
	# We specifically set this following Simple Icon's GitHub workflow schedule:
	# 10 hours after release.
	- cron: '0 23 * * 3' # 23:00 at every Wednesday

	jobs:
	sync:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2.4.0
	- uses: cachix/install-nix-action@v16
	with:
	nix_path: nixpkgs=channel:nixos-unstable
	- name: Update Hugo module
	run: \|
	nix-shell --run 'make update'
	- name: Commit and tag
	run: \|
	# Get the Simple Icons version to be synced with.
	simple_icon_version=$(nix-shell --run "curl --retry 10 --silent https://api.github.com/repos/simple-icons/simple-icons/releases/latest \| jq --raw-output '.tag_name'")
	echo "Simple Icon version: ${simple_icon_version}"

	# Show the commit as set by the Actions bot.
	# https://github.com/actions/checkout/discussions/479
	git config user.name 'github-actions[bot]'
	git config user.email 'github-actions[bot]@users.noreply.github.com'

	# Commit the update.
	git add go.mod go.sum
	git commit --message "Sync to Simple Icons v${simple_icon_version}"

	# Add the tag.
	git tag "v${simple_icon_version}"

	# Push it into the current branch.
	git remote remove origin
	git remote add origin https://${{ secrets.GITHUB_TOKEN }}@github.com/foo-dogsquared/hugo-mod-simple-icons.git
	git push --set-upstream origin master --tags

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