| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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. |
| package version |
| |
| import ( |
| "bytes" |
| "fmt" |
| "runtime" |
| ) |
| |
| var ( |
| // The following fields are populated at build time using -ldflags -X. |
| _buildVersion = "unknown" |
| _buildGitRevision = "unknown" |
| _buildOS = "unknown" |
| |
| _buildGoVersion = runtime.Version() |
| _runningOS = runtime.GOOS + "/" + runtime.GOARCH |
| ) |
| |
| // Short produces a single-line version info with format: |
| // <version>-<git revision>-<go version> |
| func Short() string { |
| return fmt.Sprintf("%s-%s-%s", _buildVersion, _buildGitRevision, _buildGoVersion) |
| } |
| |
| // Long produces a verbose version info with format: |
| // Version: xxx |
| // Git SHA: xxx |
| // GO Version: xxx |
| // Running OS/Arch: xxx/xxx |
| // Building OS/Arch: xxx/xxx |
| func Long() string { |
| buf := bytes.NewBuffer(nil) |
| fmt.Fprintln(buf, "Version:", _buildVersion) |
| fmt.Fprintln(buf, "Git SHA:", _buildGitRevision) |
| fmt.Fprintln(buf, "Go Version:", _buildGoVersion) |
| fmt.Fprintln(buf, "Building OS/Arch:", _buildOS) |
| fmt.Fprintln(buf, "Running OS/Arch:", _runningOS) |
| return buf.String() |
| } |