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version.go
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version.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package cmd
import (
"log"
"os"
"runtime"
"text/template"
"time"
"github.com/spf13/cobra"
"github.com/pydio/cells/common"
)
// CellsVersion contains version information for the current running binary
type CellsVersion struct {
//Distribution string
PackageLabel string
Version string
BuildTime string
GitCommit string
OS string
Arch string
GoVersion string
}
var cellsVersionTpl = `{{.PackageLabel}}
Version: {{.Version}}
Built: {{.BuildTime}}
Git commit: {{.GitCommit}}
OS/Arch: {{.OS}}/{{.Arch}}
Go version: {{.GoVersion}}
`
var (
format string
)
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print version information",
Long: `
DESCRIPTION
Print version information.
You can format the output with a go template using the --format flag.
Typically, to only output a parsable version, call:
$ ` + os.Args[0] + ` version -f '{{.Version}}'
As reference, known attributes are:
- PackageLabel
- Version
- BuildTime
- GitCommit
- OS
- Arch
- GoVersion
`,
Run: func(cmd *cobra.Command, args []string) {
var t time.Time
if common.BuildStamp != "" {
t, _ = time.Parse("2006-01-02T15:04:05", common.BuildStamp)
} else {
t = time.Now()
}
cv := &CellsVersion{
PackageLabel: common.PackageLabel,
Version: common.Version().String(),
BuildTime: t.Format(time.RFC822Z),
GitCommit: common.BuildRevision,
OS: runtime.GOOS,
Arch: runtime.GOARCH,
GoVersion: runtime.Version(),
}
var runningTmpl string
if format != "" {
runningTmpl = format
} else {
// Default version template
runningTmpl = cellsVersionTpl
}
tmpl, err := template.New("cells").Parse(runningTmpl)
if err != nil {
log.Fatalln("failed to parse template", err)
}
if err = tmpl.Execute(os.Stdout, cv); err != nil {
log.Fatalln("could not execute template", err)
}
},
}
func init() {
RootCmd.AddCommand(versionCmd)
versionCmd.Flags().StringVarP(&format, "format", "f", "", "Format the output using the given Go template")
}