blob: 8af332ea4442268b6b02018534b253416642219e [file] [log] [blame]
// Copyright 2019 CUE Authors
//
// 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"
goruntime "runtime"
"runtime/debug"
"github.com/spf13/cobra"
)
func newVersionCmd(c *Command) *cobra.Command {
cmd := &cobra.Command{
Use: "version",
Short: "print CUE version",
Long: ``,
RunE: mkRunE(c, runVersion),
}
return cmd
}
const (
defaultVersion = "devel"
)
// set by goreleaser or other builder using
// -ldflags='-X cuelang.org/go/cmd/cue/cmd.version=<version>'
var (
version = defaultVersion
)
func runVersion(cmd *Command, args []string) error {
w := cmd.OutOrStdout()
if bi, ok := debug.ReadBuildInfo(); ok && version == defaultVersion {
// No specific version provided via version
version = bi.Main.Version
}
fmt.Fprintf(w, "cue version %v %s/%s\n",
version,
goruntime.GOOS, goruntime.GOARCH,
)
return nil
}