/
local.go
88 lines (66 loc) · 1.52 KB
/
local.go
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package gomez
import (
"bufio"
"fmt"
_ "log"
"os"
"os/exec"
"sync"
)
// run a local command
func (config *ClientConfig) Local(cmd string) CmdResult {
return config.local(cmd, CmdOptions{})
}
func (config *ClientConfig) LocalWithOpts(cmd string, options CmdOptions) CmdResult {
return config.local(cmd, options)
}
func (config *ClientConfig) local(cmd string, options CmdOptions) CmdResult {
cmdResult := CmdResult{}
var sessionWaitGroup sync.WaitGroup
sessionWaitGroup.Add(2)
cdCmd := ""
if options.WorkingDirectory != "" {
cdCmd = "cd " + options.WorkingDirectory + " && "
}
cmdStr := cdCmd + cmd
OutputLocal(cmdStr)
if options.UseSudo {
cmdStr = WrapSudoCommand(cmdStr)
}
execCmd := exec.Command("/bin/sh", "-c", cmdStr)
stdOutReader, err := execCmd.StdoutPipe()
if err != nil {
cmdResult.Error = err
return cmdResult
}
stdOutScanner := bufio.NewScanner(stdOutReader)
go func() {
defer sessionWaitGroup.Done()
for stdOutScanner.Scan() {
if options.CaptureOutput {
cmdResult.Result = fmt.Sprintln(cmdResult.Result + stdOutScanner.Text())
continue
}
OutputLocal(stdOutScanner.Text())
}
}()
stdErrReader, err := execCmd.StderrPipe()
if err != nil {
cmdResult.Error = err
return cmdResult
}
stdErrScanner := bufio.NewScanner(stdErrReader)
go func() {
defer sessionWaitGroup.Done()
for stdErrScanner.Scan() {
OutputLocal(stdErrScanner.Text())
}
}()
err = execCmd.Start()
if err != nil {
os.Exit(1)
}
sessionWaitGroup.Wait()
execCmd.Wait()
return cmdResult
}