Optionally stage also untracked files in magit-stage-all.

NEWS

@@ -13,6 +13,11 @@ Changes in magit 0.8:
 * Hitting C-c C-s while editing a commit message will toggle the
   "--signoff" option.
 
+* Hitting 's' on the "Untracked files" section title will stage all
+  untracked files.
+
+* Hitting 'C-u S' will stage all untracked and tracked files.
+
 * Performance improvements in the status buffer.
 
 * Bug fixes to make Magit work better with newer Gits.
@@ -51,9 +56,6 @@ Changes in magit 0.7:
 * Typing 'k' on the "Untracked files" section title will offer to
   delete all untracked files.
 
-* Similarily, hitting 's' on the "Untracked files" section title will
-  stage all untracked files.
-
 * Magit understands a bit of git-svn: the status buffer shows unpushed
   and unpulled commits, 'N r' runs git svn rebase, and 'N c' runs git
   svn dcommit.

magit.el

@@ -1983,9 +1983,11 @@ in log buffer."
     ((diff)
      (error "Can't unstage this diff"))))
 
-(defun magit-stage-all ()
-  (interactive)
-  (magit-run-git "add" "-u" "."))
+(defun magit-stage-all (&optional also-untracked-p)
+  (interactive "P")
+  (if also-untracked-p
+      (magit-run-git "add" ".")
+    (magit-run-git "add" "-u" ".")))
 
 (defun magit-unstage-all ()
   (interactive)

magit.texi

@@ -204,6 +204,9 @@ You can add a untracked file to the staging area with @kbd{s}.  If
 point is on the @emph{Untracked files} section title when you it
 @kbd{s}, all untracked files are staged.
 
+Typing @kbd{C-u S} anywhere will also stage all untracked files,
+together with all changes to the tracked files.
+
 You can instruct Git to ignore them by typing @kbd{i}.  This will add
 the filename to the @code{.gitignore} file.  Typing @kbd{C-u i} will
 ask you for the name of the file to ignore.  This is useful to ignore
@@ -246,6 +249,9 @@ the changes, otherwise it is not.)
 To move all hunks of all diffs into the staging area in one go, type
 @kbd{S}.  To unstage everything, type @kbd{U}.
 
+Typing @kbd{C-u S} will stage all untracked files in addition to the
+changes to tracked files.
+
 You can discard uncommitted changes by moving point into a hunk and
 typing @kbd{k}.  The changes to discard are selected as with @kbd{s}
 and @kbd{u}.