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start_unix.go
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/
start_unix.go
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// Copyright 2017 The Cockroach 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.
// +build !windows
package cli
import (
"os"
"os/exec"
"strings"
"github.com/cockroachdb/cockroach/pkg/cli/cliflags"
"github.com/cockroachdb/cockroach/pkg/util/sdnotify"
)
var startBackground bool
func init() {
boolFlag(startCmd.Flags(), &startBackground, cliflags.Background, false)
}
func maybeRerunBackground() (bool, error) {
if startBackground {
args := make([]string, 0, len(os.Args))
foundBackground := false
for _, arg := range os.Args {
if arg == "--background" || strings.HasPrefix(arg, "--background=") {
foundBackground = true
continue
}
args = append(args, arg)
}
if !foundBackground {
args = append(args, "--background=false")
}
cmd := exec.Command(args[0], args[1:]...)
cmd.Stdout = os.Stdout
cmd.Stderr = stderr
return true, sdnotify.Exec(cmd)
}
return false, nil
}