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version.go
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version.go
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// Copyright 2021 Authors of Cilium
//
// 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.
package cmd
import (
"fmt"
"runtime"
"github.com/spf13/cobra"
)
// The following variables are set at compile time via LDFLAGS.
var (
// Version is the software version.
Version string
// GitBranch is the name of the git branch HEAD points to.
GitBranch string
// GitHash is the git checksum of the most recent commit in HEAD.
GitHash string
)
func newCmdVersion() *cobra.Command {
return &cobra.Command{
Use: "version",
Short: "Display detailed version information",
Long: `Displays information about the version of this software.`,
Run: func(cmd *cobra.Command, _ []string) {
var gitInfo string
switch {
case GitBranch != "" && GitHash != "":
gitInfo = fmt.Sprintf("@%s-%s", GitBranch, GitHash)
case GitHash != "":
gitInfo = fmt.Sprintf("@%s", GitHash)
}
// TODO: add support for reporting the Cilium version
fmt.Printf("cilium-cli: v%s%s compiled with %v on %v/%v\n", Version, gitInfo, runtime.Version(), runtime.GOOS, runtime.GOARCH)
},
}
}