png/graphics/selection (png-image-select): Bugfix #23

	---
	# File : guix.yml

	name: Guix/Guile 3.0

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	x86_64-linux-gnu:
	runs-on: "ubuntu-latest"
	steps:
	- name: Get the current date
	id: date
	run: echo "::set-output name=date::$(date +'%Y-%m-%d')"
	- name: "Guix cache"
	uses: "actions/cache@v3"
	with:
	path: "~/.cache/guix"
	# Guix cashed once a day; the first build will be slow but the
	# subsequent builds on the current day will be faster.
	key: "guix-cache-x86-${{ steps.date.outputs.date }}"
	restore-keys: \|
	guix-cache-x86-
	- name: "Install Guix"
	uses: "PromyLOPh/guix-install-action@v1"
	- name: "Ensure no locale warning"
	run: \|
	test -z "$(guix --version 2>&1 >/dev/null)"
	- name: "Checkout repository"
	uses: "actions/checkout@v3"
	- name: "Build project guile-png"
	run: \|
	guix build --file=guix.scm
	aarch64-linux-gnu:
	runs-on: "ubuntu-latest"
	steps:
	- name: Get the current date
	id: date
	run: echo "::set-output name=date::$(date +'%Y-%m-%d')"
	- name: "Guix cache"
	uses: "actions/cache@v3"
	with:
	path: "~/.cache/guix"
	# use a key that (almost) never matches
	key: "guix-cache-aarch64-${{ steps.date.outputs.date }}"
	restore-keys: \|
	guix-cache-aarch64-
	- name: "Install Guix"
	uses: "PromyLOPh/guix-install-action@v1"
	- name: "Ensure no locale warning"
	run: \|
	test -z "$(guix --version 2>&1 >/dev/null)"
	- name: "Checkout repository"
	uses: "actions/checkout@v3"
	- name: "Build project guile-png"
	run: \|
	guix build --target=aarch64-linux-gnu --file=guix.scm

	# End of guix.yml
	...

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