gitk HEAD --all is useful for detached heads and mid-rebases.

Author: andersk

Diff for: slides.tex

@@ -481,7 +481,7 @@ \section{Using Git}
 \begin{frame}
   \frametitle{Getting out of trouble}
   \begin{description}[\texttt{git reset --hard \textit{commit}}]
-  \item[\texttt{gitk --all}\hfill] The graphical repository browser is
+  \item[\texttt{gitk HEAD --all}\hfill] The graphical repository browser is
     immensely useful for visualizing what's going on in your
     repository.
   \item[\texttt{git reflog}\hfill] Show the \emph{reflog} entries for