feat: support abra upgrading

cli/internal/command.go

@@ -0,0 +1,38 @@
+package internal
+
+import (
+	"bufio"
+	"fmt"
+	"os/exec"
+)
+
+func RunCmd(cmd *exec.Cmd) error {
+	r, err := cmd.StdoutPipe()
+	if err != nil {
+		return err
+	}
+
+	cmd.Stderr = cmd.Stdout
+	done := make(chan struct{})
+	scanner := bufio.NewScanner(r)
+
+	go func() {
+		for scanner.Scan() {
+			line := scanner.Text()
+			fmt.Println(line)
+		}
+		done <- struct{}{}
+	}()
+
+	if err := cmd.Start(); err != nil {
+		return err
+	}
+
+	<-done
+
+	if err := cmd.Wait(); err != nil {
+		return err
+	}
+
+	return nil
+}