decred.org/dcrdex@v1.0.5/dex/version/version_buildinfo.go (about)

     1  // Copyright (c) 2021-2022 The Decred developers
     2  // Use of this source code is governed by an ISC license
     3  // that can be found at https://github.com/decred/dcrd/blob/master/LICENSE.
     4  
     5  //go:build go1.18
     6  
     7  package version
     8  
     9  import "runtime/debug"
    10  
    11  func vcsCommitID() string {
    12  	bi, ok := debug.ReadBuildInfo()
    13  	if !ok {
    14  		return ""
    15  	}
    16  	var vcs, revision string
    17  	for _, bs := range bi.Settings {
    18  		switch bs.Key {
    19  		case "vcs":
    20  			vcs = bs.Value
    21  		case "vcs.revision":
    22  			revision = bs.Value
    23  		}
    24  	}
    25  	if vcs == "" {
    26  		return ""
    27  	}
    28  	if vcs == "git" && len(revision) > 9 {
    29  		revision = revision[:9]
    30  	}
    31  	return revision
    32  }