Print sixel data to stderr instead of stdout (#1451) #908

	name: Go

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:

	tests:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 1

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.18

	- name: Build
	run: go build -v ./...

	- name: Test
	run: go test -v ./...

	- uses: dominikh/staticcheck-action@v1.3.0
	with:
	version: "2022.1.3"
	install-go: false

	cross-compile:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 1

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.18

	- name: Cross-compile on all supported platforms
	run: gen/xbuild.sh

	generate:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 1

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.19

	- name: Test `go fmt && go generate` on Go 1.19 creates no diffs
	run: go fmt && go generate && git diff --exit-code

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