mirror of https://github.com/tailscale/tailscale/
feature/featuretags: make QR codes modular (#18358)
QR codes are used by `tailscale up --qr` to provide an easy way to open a web-page without transcribing a difficult URI. However, there’s no need for this feature if the client will never be called interactively. So this PR adds the `ts_omit_qrcodes` build tag. Updates #18182 Signed-off-by: Simon Law <sfllaw@tailscale.com>pull/16743/merge
Simon Law
5 days ago
committed by
GitHub
parent
6aac87a84c
commit
3e45e5b420
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package main
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import (
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"testing"
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"tailscale.com/tstest/deptest"
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)
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func TestOmitQRCodes(t *testing.T) {
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const msg = "unexpected with ts_omit_qrcodes"
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deptest.DepChecker{
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GOOS: "linux",
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GOARCH: "amd64",
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Tags: "ts_omit_qrcodes",
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BadDeps: map[string]string{
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"github.com/skip2/go-qrcode": msg,
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},
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}.Check(t)
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}
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Code generated by gen.go; DO NOT EDIT.
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//go:build ts_omit_qrcodes
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package buildfeatures
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// HasQRCodes is whether the binary was built with support for modular feature "QR codes in tailscale CLI".
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// Specifically, it's whether the binary was NOT built with the "ts_omit_qrcodes" build tag.
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// It's a const so it can be used for dead code elimination.
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const HasQRCodes = false
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Code generated by gen.go; DO NOT EDIT.
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//go:build !ts_omit_qrcodes
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package buildfeatures
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// HasQRCodes is whether the binary was built with support for modular feature "QR codes in tailscale CLI".
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// Specifically, it's whether the binary was NOT built with the "ts_omit_qrcodes" build tag.
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// It's a const so it can be used for dead code elimination.
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const HasQRCodes = true
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package qrcodes
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// Format selects the text representation used to print QR codes.
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type Format string
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const (
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// FormatAuto will format QR codes to best fit the capabilities of the
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// [io.Writer].
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FormatAuto Format = "auto"
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// FormatASCII will format QR codes with only ASCII characters.
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FormatASCII Format = "ascii"
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// FormatLarge will format QR codes with full block characters.
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FormatLarge Format = "large"
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// FormatSmall will format QR codes with full and half block characters.
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FormatSmall Format = "small"
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)
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build ts_omit_qrcodes
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package qrcodes
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import "io"
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func Fprintln(w io.Writer, format Format, s string) (n int, err error) {
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panic("omitted")
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}
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func EncodePNG(s string, size int) ([]byte, error) {
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panic("omitted")
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}
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