first commit

server/internal/backup/command_executor.go

@@ -0,0 +1,37 @@
+//go:build ignore
+
+package backup
+
+import (
+	"context"
+	"io"
+	"os"
+	"os/exec"
+)
+
+type CommandExecutor interface {
+	LookPath(file string) (string, error)
+	Run(ctx context.Context, name string, args []string, env map[string]string, stdin io.Reader, stdout io.Writer, stderr io.Writer) error
+}
+
+type OSCommandExecutor struct{}
+
+func NewOSCommandExecutor() *OSCommandExecutor {
+	return &OSCommandExecutor{}
+}
+
+func (e *OSCommandExecutor) LookPath(file string) (string, error) {
+	return exec.LookPath(file)
+}
+
+func (e *OSCommandExecutor) Run(ctx context.Context, name string, args []string, env map[string]string, stdin io.Reader, stdout io.Writer, stderr io.Writer) error {
+	command := exec.CommandContext(ctx, name, args...)
+	command.Stdin = stdin
+	command.Stdout = stdout
+	command.Stderr = stderr
+	command.Env = os.Environ()
+	for key, value := range env {
+		command.Env = append(command.Env, key+"="+value)
+	}
+	return command.Run()
+}