webhook: resulting file was deleted because of defer outside of goroutine

internal/app/api/markdown.go

@@ -8,35 +8,34 @@ import (
 func convertMarkdown(c echo.Context) error {
 	r, err := newResource(c)
 	if err != nil {
-		return err
+		return hijackErr(err, r)
 	}
-	defer r.removeAll()
 	ctx, cancel := newContext(r)
 	if cancel != nil {
 		defer cancel()
 	}
 	indexPath, err := r.filePath("index.html")
 	if err != nil {
-		return err
+		return hijackErr(err, r)
 	}
 	p := &printer.Markdown{Context: ctx, TemplatePath: indexPath}
 	headerPath, _ := r.filePath("header.html")
 	if err := p.WithHeaderFile(headerPath); err != nil {
-		return err
+		return hijackErr(err, r)
 	}
 	footerPath, _ := r.filePath("footer.html")
 	if err := p.WithFooterFile(footerPath); err != nil {
-		return err
+		return hijackErr(err, r)
 	}
 	paperSize, err := r.paperSize()
 	if err != nil {
-		return err
+		return hijackErr(err, r)
 	}
 	p.PaperWidth = paperSize[0]
 	p.PaperHeight = paperSize[1]
 	paperMargins, err := r.paperMargins()
 	if err != nil {
-		return err
+		return hijackErr(err, r)
 	}
 	p.MarginTop = paperMargins[0]
 	p.MarginBottom = paperMargins[1]
@@ -44,7 +43,7 @@ func convertMarkdown(c echo.Context) error {
 	p.MarginRight = paperMargins[3]
 	landscape, err := r.landscape()
 	if err != nil {
-		return err
+		return hijackErr(err, r)
 	}
 	p.Landscape = landscape
 	return print(c, p, r)