Add button to vc-dir to toggle visibility of stash list

* lisp/vc/vc-git.el: Move cl-lib require outside 'eval-when-compile'.

* lisp/vc/vc-git.el (vc-git-show-stash):New user option.
(vc-git-make-stash-button): Create button that allows hiding the stash
list.
(vc-git-dir-extra-headers): Split stash list into hideable and
non-hideable parts depending on value of vc-git-show-stash.  Add
button to toggle visibility of hideable part.

* etc/NEWS: Announce it.

1 files changed, 5 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index cf6b066b442..50213227fb3 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -815,6 +815,11 @@ The default value is 'find-dired-sort-by-filename'.
 *** New command 'log-edit-generate-changelog-from-diff', bound to 'C-c C-w'.
 This generates ChangeLog entries from the VC fileset diff.
 
+*** 'vc-dir' now shows a button allowing you to hide the stash list.
+Controlled by user option 'vc-git-show-stash'.  Default t means show
+the entire list as before.  An integer value limits the list length
+(but still allows you to show the entire list via the button).
+
 *** Recording ChangeLog entries doesn't require an actual file.
 If a ChangeLog file doesn't exist, and if the new user option
 'add-log-dont-create-changelog-file' is non-nil (which is the