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info_go118.go
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/
info_go118.go
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// Copyright 2022 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build go1.18
// +build go1.18
package version
import "runtime/debug"
var computedRevision string
func getRevision() string {
return computedRevision
}
func init() {
computedRevision = computeRevision()
}
func computeRevision() string {
var (
rev = "unknown"
modified bool
)
buildInfo, ok := debug.ReadBuildInfo()
if !ok {
return rev
}
for _, v := range buildInfo.Settings {
if v.Key == "vcs.revision" {
rev = v.Value
}
if v.Key == "vcs.modified" {
if v.Value == "true" {
modified = true
}
}
}
if modified {
return rev + "-modified"
}
return rev
}