Better error handling and logging for restorations

server/filesystem/path.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 	"sync"
 
+	"emperror.dev/errors"
 	"golang.org/x/sync/errgroup"
 )
 
@@ -41,7 +42,7 @@ func (fs *Filesystem) SafePath(p string) (string, error) {
 	// is truly pointing to.
 	ep, err := filepath.EvalSymlinks(r)
 	if err != nil && !os.IsNotExist(err) {
-		return "", err
+		return "", errors.Wrap(err, "server/filesystem: failed to evaluate symlink")
 	} else if os.IsNotExist(err) {
 		// The requested directory doesn't exist, so at this point we need to iterate up the
 		// path chain until we hit a directory that _does_ exist and can be validated.