63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package moby
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import (
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"os"
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"os/exec"
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"os/signal"
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"github.com/docker/compose-cli/cli/mobycli/resolvepath"
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)
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// ComDockerCli name of the classic cli binary
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const ComDockerCli = "com.docker.cli"
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// Exec delegates to com.docker.cli
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func Exec(args []string) error {
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// look up the path of the classic cli binary
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execBinary, err := resolvepath.LookPath(ComDockerCli)
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if err != nil {
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return err
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}
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cmd := exec.Command(execBinary, args...)
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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signals := make(chan os.Signal, 1)
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childExit := make(chan bool)
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signal.Notify(signals) // catch all signals
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go func() {
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for {
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select {
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case sig := <-signals:
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if cmd.Process == nil {
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continue // can happen if receiving signal before the process is actually started
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}
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// nolint errcheck
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cmd.Process.Signal(sig)
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case <-childExit:
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return
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}
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}
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}()
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err = cmd.Run()
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childExit <- true
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return err
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}
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