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sh.go
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sh.go
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// Copyright © 2016 Prometheus Team
//
// 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 sh
import (
"fmt"
"os"
"os/exec"
"regexp"
"strings"
)
// Verbose enables verbose output
var Verbose bool
// RunCommand executes a shell command.
func RunCommand(name string, arg ...string) error {
if Verbose {
cmdText := name + " " + strings.Join(arg, " ")
fmt.Fprintln(os.Stderr, " + ", cmdText)
}
cmd := exec.Command(name, arg...)
cmd.Stdout = os.Stdout
cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
return cmd.Run()
}
// SplitParameters splits shell command parameters, taking quoting in account.
func SplitParameters(s string) []string {
r := regexp.MustCompile(`'[^']*'|[^ ]+`)
return r.FindAllString(s, -1)
}