// Run a command without showing a prompt or the output to the user
func (b *Bootstrap) runCommandSilentlyAndCaptureOutput(command string, args ...string) (string, error) {
cmd := b.newCommand(command, args...)
var buffer bytes.Buffer
_, err := shell.Run(cmd, &shell.Config{Writer: &buffer})
return strings.TrimSpace(buffer.String()), err
}
// Run a command and return it's exit status
func (b *Bootstrap) runCommandGracefully(command string, args ...string) int {
cmd := b.newCommand(command, args...)
promptf("%s", cmd)
process, err := shell.Run(cmd, &shell.Config{Writer: os.Stdout})
checkShellError(err, cmd)
return process.ExitStatus()
}
// Runs a script on the file system
func (b *Bootstrap) runScript(command string) int {
var cmd *shell.Command
if runtime.GOOS == "windows" {
cmd = b.newCommand(command)
} else {
// If you run a script on Linux that doesn't have the
// #!/bin/bash thingy at the top, it will fail to run with a
// "exec format error" error. You can solve it by adding the
// #!/bin/bash line to the top of the file, but that's
// annoying, and people generally forget it, so we'll make it
// easy on them and add it for them here.
//
// We also need to make sure the script we pass has quotes
// around it, otherwise `/bin/bash -c run script with space.sh`
// fails.
cmd = b.newCommand("/bin/bash", "-c", `"`+strings.Replace(command, `"`, `\"`, -1)+`"`)
}
process, err := shell.Run(cmd, &shell.Config{Writer: os.Stdout, PTY: b.RunInPty})
checkShellError(err, cmd)
return process.ExitStatus()
}