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about.go
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about.go
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// Copyright 2021 FabEdge Team
//
// 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 about
import (
"fmt"
"os"
"github.com/spf13/pflag"
)
var (
version = "0.0.0" // semantic version X.Y.Z
gitCommit = "00000000" // sha1 from git
buildTime = "1970-01-01T00:00:00Z" // build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
showVersion *bool
)
func AddFlags(fs *pflag.FlagSet) {
showVersion = fs.Bool("version", false, "Display version info")
}
func DisplayAndExitIfRequested() {
if *showVersion {
DisplayVersion()
os.Exit(0)
}
}
func DisplayVersion() {
fmt.Printf("Version: %s\nBuildTime: %s\nGitCommit: %s\n", version, buildTime, gitCommit)
}