github.com/decred/dcrlnd@v0.7.6/build/version_buildinfo.go (about)

     1  // Copyright (c) 2021 The Decred developers
     2  // Use of this source code is governed by an ISC
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build go1.18
     6  // +build go1.18
     7  
     8  package build
     9  
    10  import (
    11  	"runtime/debug"
    12  )
    13  
    14  func vcsCommitID() string {
    15  	bi, ok := debug.ReadBuildInfo()
    16  	if !ok {
    17  		return ""
    18  	}
    19  	var vcs, revision, dirty string
    20  	for _, bs := range bi.Settings {
    21  		switch bs.Key {
    22  		case "vcs":
    23  			vcs = bs.Value
    24  		case "vcs.revision":
    25  			revision = bs.Value
    26  		case "vcs.modified":
    27  			if bs.Value == "true" {
    28  				dirty = ".dirty"
    29  			}
    30  		}
    31  	}
    32  	if vcs == "" {
    33  		return ""
    34  	}
    35  	if vcs == "git" && len(revision) > 9 {
    36  		revision = revision[:9]
    37  	}
    38  	return revision + dirty
    39  }