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version.go
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version.go
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// Synse CLI
// Copyright (c) 2019 Vapor IO
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"io"
"text/template"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/vapor-ware/synse-cli/pkg"
"github.com/vapor-ware/synse-cli/pkg/templates"
"github.com/vapor-ware/synse-cli/pkg/utils"
"github.com/vapor-ware/synse-cli/pkg/utils/exit"
)
func init() {
cmdVersion.Flags().BoolVarP(&flagSimple, "simple", "s", false, "display only the version number")
}
var cmdVersion = &cobra.Command{
Use: "version",
Short: "Display version information for synse",
Long: utils.Doc(`
Display the version and build-time information for the synse CLI binary.
Version information for Synse components (e.g. server, plugin) can
be printed from their corresponding sub-command.
This command will print information in the format:
synse:
version : canary
build date : 2019-05-08T14:37:43
git commit : 499e641
git tag : 3.0.0-5-g499e641
go version : go1.11.4
go compiler : gc
platform : darwin/amd64
- <bold>version</>: The semantic version of the CLI binary.
- <bold>build date</>: The date and time at which the binary was built.
- <bold>git commit</>: The commit at which the binary was built.
- <bold>git tag</>: The tag at which the binary was built.
- <bold>go version</>: The version of Go used to build the binary.
- <bold>go compiler</>: The compiler used to build the binary.
- <bold>platform</>: The operating system and architecture of the system used to
build the binary.
More information about a specific release version can be found on the
project's GitHub page: <underscore>https://github.com/vapor-ware/synse-cli/releases</>
`),
Run: func(cmd *cobra.Command, args []string) {
exit.FromCmd(cmd).Err(
displayVersion(cmd.OutOrStdout()),
)
},
}
func displayVersion(out io.Writer) error {
v := pkg.GetVersion()
log.Debugf("got version info: %+v", v)
if flagSimple {
if _, err := out.Write([]byte(v.Version)); err != nil {
return err
}
return nil
}
tmpl, err := template.New("version").Parse(templates.CmdVersionTemplate)
if err != nil {
return err
}
return tmpl.ExecuteTemplate(out, "version", v)
}