Added Passable CLI Arguments To the Run Command

Now you can pass arguments to the command you're running, and also now the STDOUT AND STDERR is shown but currently STDIN isn't Supported.

Author: pegvin

src/commands/run.go

@@ -4,12 +4,50 @@ import (
 	"bread/src/helpers/repos"
 	"bread/src/helpers/utils"
 
+	"fmt"
 	"os"
-	"os/exec"
+	goCmd "github.com/go-cmd/cmd"
 )
 
 type RunCmd struct {
 	Target string `arg:"" name:"target" help:"Target To Run" type:"string"`
+	Arguments []string `arg:"" passthrough:"" optional:"" name:"arguments" help:"Argument to pass to the program" type:"string"`
+}
+
+func executeCmd(target string, arguments []string) {
+	options := goCmd.Options{
+		Buffered: false,
+		Streaming: true,
+	}
+	runCmd := goCmd.NewCmdOptions(options, target, arguments...)
+
+	// Print STDOUT and STDERR lines streaming from Cmd
+	doneChan := make(chan struct{})
+	go func() {
+		defer close(doneChan)
+		for runCmd.Stdout != nil || runCmd.Stderr != nil {
+			select {
+			case line, open := <-runCmd.Stdout:
+				if !open {
+					runCmd.Stdout = nil
+					continue
+				}
+				fmt.Println(line)
+			case line, open := <-runCmd.Stderr:
+				if !open {
+					runCmd.Stderr = nil
+					continue
+				}
+				fmt.Fprintln(os.Stderr, line)
+			}
+		}
+	}()
+
+	// Run and wait for Cmd to return, discard Status
+	<-runCmd.Start()
+
+	// Wait for goroutine to print everything
+	<-doneChan
 }
 
 func (cmd *RunCmd) Run() (err error) {
@@ -39,8 +77,7 @@ func (cmd *RunCmd) Run() (err error) {
 
 	// Check if the FilePath Exist, Show error
 	if _, err = os.Stat(targetFilePath); err == nil {
-		command := exec.Command(targetFilePath)
-		command.Run()
+		executeCmd(targetFilePath, cmd.Arguments)
 		return nil
 	}
 
@@ -53,6 +90,6 @@ func (cmd *RunCmd) Run() (err error) {
 	// Print Signature Info If Exist.
 	utils.ShowSignature(targetFilePath)
 
-	command := exec.Command(targetFilePath)
-	return command.Run()
+	executeCmd(targetFilePath, cmd.Arguments)
+	return nil
 }