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bug#4206: 23.1; vc-dir bug with git

From: Dan Nicolaescu
Subject: bug#4206: 23.1; vc-dir bug with git
Date: Sun, 23 Aug 2009 04:57:14 -0700 (PDT)

Tom Tromey <address@hidden> writes:

  > >>>>> "Dan" == Dan Nicolaescu <address@hidden> writes:
  > Dan> What's the right thing to do here?  
  > Dan> vc-git-register does not support (yet?) passing directories as an
  > Dan> argument. 
  > I think the best situation would be for vc-dir to understand
  > unregistered directories (and not display them twice), and for
  > vc-git-register to be able to run "git add" on a directory.  

The patch below helps.
But the *vc-dir* buffer does not get updated correctly.
Maybe vc-git-dir-status-files does not work quite right, but it's hard
to tell without being a low level git expert.

  > "git add DIR" usually does the right thing and in any case if it 
"overshoots" it
  > can be corrected.

It seems that vc-git-revert does not revert files in the 'added state to
'unregistered state.  It does not seem that all VC backends behave
consistently in this situation :-(

--- vc-dir.el.~1.40.~   2009-08-20 23:40:25.000000000 -0700
+++ vc-dir.el   2009-08-23 04:02:01.000000000 -0700
@@ -326,8 +326,9 @@ If BODY uses EVENT, it should be a varia
     (or (vc-dir-fileinfo->directory data)
        ;; Otherwise compute it from the file name.
-        (expand-file-name
-         (vc-dir-fileinfo->name data))))))
+        (directory-file-name
+         (expand-file-name
+          (vc-dir-fileinfo->name data)))))))
 (defun vc-dir-update (entries buffer &optional noinsert)
   "Update BUFFER's ewoc from the list of ENTRIES.
@@ -343,8 +344,10 @@ If NOINSERT, ignore elements on ENTRIES 
          ;; names too many times
          (sort entries
                (lambda (entry1 entry2)
-                 (let ((dir1 (file-name-directory (expand-file-name (car 
-                       (dir2 (file-name-directory (expand-file-name (car 
+                 (let ((dir1 (file-name-directory
+                               (directory-file-name (expand-file-name (car 
+                       (dir2 (file-name-directory
+                              (directory-file-name (expand-file-name (car 
                     ((string< dir1 dir2) t)
                     ((not (string= dir1 dir2)) nil)
@@ -362,7 +365,8 @@ If NOINSERT, ignore elements on ENTRIES 
       (while (and entry node)
        (let* ((entryfile (car entry))
-              (entrydir (file-name-directory (expand-file-name entryfile)))
+              (entrydir (file-name-directory (directory-file-name
+                                              (expand-file-name entryfile))))
               (nodedir (vc-dir-node-directory node)))
           ;; First try to find the directory.
@@ -406,7 +410,8 @@ If NOINSERT, ignore elements on ENTRIES 
       (unless (or node noinsert)
        (let ((lastdir (vc-dir-node-directory (ewoc-nth vc-ewoc -1))))
          (dolist (entry entries)
-           (let ((entrydir (file-name-directory (expand-file-name (car 
+           (let ((entrydir (file-name-directory
+                            (directory-file-name (expand-file-name (car 
              ;; Insert a directory node if needed.
              (unless (string-equal lastdir entrydir)
                (setq lastdir entrydir)
Index: vc-git.el
RCS file: /cvsroot/emacs/emacs/lisp/vc-git.el,v
retrieving revision 1.86
diff -u -3 -p -u -p -r1.86 vc-git.el
--- vc-git.el   21 Aug 2009 03:37:37 -0000      1.86
+++ vc-git.el   23 Aug 2009 11:06:39 -0000
@@ -425,7 +425,15 @@ If nil, use the value of `vc-diff-switch
 (defun vc-git-register (files &optional rev comment)
   "Register FILE into the git version-control system."
-  (vc-git-command nil 0 files "update-index" "--add" "--"))
+  (let (flist dlist)
+    (dolist (crt files)
+      (if (file-directory-p crt)
+         (push crt dlist)
+       (push crt flist)))
+    (when flist
+      (vc-git-command nil 0 flist "update-index" "--add" "--"))
+    (when dlist
+      (vc-git-command nil 0 dlist "add"))))
 (defalias 'vc-git-responsible-p 'vc-git-root)

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