chore: import upstream snapshot with attribution

cmd/gortex/eval_swebench.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	evalSwebenchScript string
+	evalSwebenchPython string
+)
+
+var evalSwebenchCmd = &cobra.Command{
+	Use:                "swebench [args...]",
+	Short:              "Run the SWE-bench harness (eval/run_eval.py)",
+	Long:               `Thin passthrough to the Python SWE-bench harness in eval/. All positional arguments and flags after -- are forwarded to run_eval.py unchanged.`,
+	DisableFlagParsing: true,
+	RunE:               runEvalSwebench,
+}
+
+func init() {
+	evalSwebenchCmd.Flags().StringVar(&evalSwebenchScript, "script", "eval/run_eval.py", "path to the Python harness (repo-relative or absolute)")
+	evalSwebenchCmd.Flags().StringVar(&evalSwebenchPython, "python", "", "python interpreter (default: $PYTHON or python3)")
+	evalCmd.AddCommand(evalSwebenchCmd)
+}
+
+func runEvalSwebench(_ *cobra.Command, args []string) error {
+	script := evalSwebenchScript
+	passthrough := args
+	for i, a := range args {
+		switch a {
+		case "--script":
+			if i+1 < len(args) {
+				script = args[i+1]
+				passthrough = append(append([]string{}, args[:i]...), args[i+2:]...)
+			}
+		case "--python":
+			if i+1 < len(args) {
+				evalSwebenchPython = args[i+1]
+				passthrough = append(append([]string{}, args[:i]...), args[i+2:]...)
+			}
+		}
+	}
+
+	if _, err := os.Stat(script); err != nil {
+		abs, _ := filepath.Abs(script)
+		return fmt.Errorf("SWE-bench harness not found at %s: %w", abs, err)
+	}
+
+	py := evalSwebenchPython
+	if py == "" {
+		py = os.Getenv("PYTHON")
+	}
+	if py == "" {
+		py = "python3"
+	}
+
+	cmd := exec.Command(py, append([]string{script}, passthrough...)...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	return cmd.Run()
+}