68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
// Package shellx contains utilities to run external commands.
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package shellx
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import (
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"errors"
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"os"
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"strings"
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"golang.org/x/sys/execabs"
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"github.com/apex/log"
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"github.com/google/shlex"
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"github.com/ooni/probe-cli/v3/internal/engine/model"
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)
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type runconfig struct {
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args []string
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loginfof func(format string, v ...interface{})
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name string
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stdout *os.File
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stderr *os.File
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}
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func run(config runconfig) error {
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config.loginfof("exec: %s %s", config.name, strings.Join(config.args, " "))
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cmd := execabs.Command(config.name, config.args...)
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cmd.Stdout = config.stdout
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cmd.Stderr = config.stderr
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err := cmd.Run()
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config.loginfof("exec result: %+v", err)
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return err
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}
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// Run executes the specified command with the specified args
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func Run(name string, arg ...string) error {
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return run(runconfig{
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args: arg,
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loginfof: log.Log.Infof,
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name: name,
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stdout: os.Stdout,
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stderr: os.Stderr,
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})
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}
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// RunQuiet is like Run but it does not emit any output.
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func RunQuiet(name string, arg ...string) error {
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return run(runconfig{
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args: arg,
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loginfof: model.DiscardLogger.Infof,
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name: name,
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stdout: nil,
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stderr: nil,
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})
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}
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// RunCommandline is like Run but its only argument is a command
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// line that will be splitted using the google/shlex package
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func RunCommandline(cmdline string) error {
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args, err := shlex.Split(cmdline)
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if err != nil {
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return err
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}
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if len(args) < 1 {
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return errors.New("shellx: no command to execute")
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}
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return Run(args[0], args[1:]...)
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}
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