Actions: Introduce A11y test (#106806)

e2e/internal/fpaths/root.go

@@ -0,0 +1,35 @@
+package fpaths
+
+import (
+	"context"
+	"fmt"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+// RepoRoot finds the root directory of the git repository.
+func RepoRoot(ctx context.Context, dir string) (string, error) {
+	cmd := exec.CommandContext(ctx, "git", "rev-parse", "--show-toplevel")
+	cmd.Dir = dir
+	out, err := cmd.Output()
+	if err != nil {
+		return "", fmt.Errorf("failed to get git repo root: %w", err)
+	}
+	p := strings.TrimSpace(string(out))
+	p, err = NormalisePath(p)
+	if err != nil {
+		return "", fmt.Errorf("failed to normalise git repo root path: %w", err)
+	}
+	return p, nil
+}
+
+// NormalisePath converts a path to an absolute path, cleans it, and converts it to a forward-slash format.
+func NormalisePath(p string) (string, error) {
+	absPath, err := filepath.Abs(p)
+	if err != nil {
+		return "", fmt.Errorf("failed to get absolute path: %w", err)
+	}
+	return path.Clean(filepath.ToSlash(absPath)), nil
+}