kubectx/internal/cmdutil/interactive.go
Ahmet Alp Balkan 1e49c336fc
Add license headers for 2021
Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
2020-12-29 13:38:42 -08:00

45 lines
1.2 KiB
Go

// Copyright 2021 Google LLC
//
// 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 cmdutil
import (
"os"
"os/exec"
"github.com/mattn/go-isatty"
"github.com/ahmetb/kubectx/internal/env"
)
// isTerminal determines if given fd is a TTY.
func isTerminal(fd *os.File) bool {
return isatty.IsTerminal(fd.Fd())
}
// fzfInstalled determines if fzf(1) is in PATH.
func fzfInstalled() bool {
v, _ := exec.LookPath("fzf")
if v != "" {
return true
}
return false
}
// IsInteractiveMode determines if we can do choosing with fzf.
func IsInteractiveMode(stdout *os.File) bool {
v := os.Getenv(env.EnvFZFIgnore)
return v == "" && isTerminal(stdout) && fzfInstalled()
}