45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// mkversion gets version info from git and outputs a bunch of shell variables
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// that get used elsewhere in the build system to embed version numbers into
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// binaries.
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package main
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"os"
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"time"
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"tailscale.com/tailcfg"
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"tailscale.com/version/mkversion"
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)
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func main() {
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prefix := ""
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if len(os.Args) > 1 {
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if os.Args[1] == "--export" {
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prefix = "export "
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} else {
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fmt.Println("usage: mkversion [--export|-h|--help]")
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os.Exit(1)
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}
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}
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var b bytes.Buffer
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io.WriteString(&b, mkversion.Info().String())
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// Copyright and the client capability are not part of the version
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// information, but similarly used in Xcode builds to embed in the metadata,
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// thus generate them now.
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copyright := fmt.Sprintf("Copyright © %d Tailscale Inc. All Rights Reserved.", time.Now().Year())
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fmt.Fprintf(&b, "VERSION_COPYRIGHT=%q\n", copyright)
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fmt.Fprintf(&b, "VERSION_CAPABILITY=%d\n", tailcfg.CurrentCapabilityVersion)
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s := bufio.NewScanner(&b)
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for s.Scan() {
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fmt.Println(prefix + s.Text())
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}
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}
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