To: vim-dev@vim.org
Subject: Patch 7.2.086
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.2.086
Problem:    Using ":diffget 1" in buffer 1 corrupts the text.
Solution:   Don't do anything when source and destination of ":diffget" or
	    ":diffput" is the same buffer. (Dominique Pelle)
Files:	    src/diff.c


*** ../vim-7.2.085/src/diff.c	Sun Nov 30 15:15:56 2008
--- src/diff.c	Wed Jan 14 20:40:25 2009
***************
*** 8,14 ****
   */
  
  /*
!  * diff.c: code for diff'ing two or three buffers.
   */
  
  #include "vim.h"
--- 8,14 ----
   */
  
  /*
!  * diff.c: code for diff'ing two, three or four buffers.
   */
  
  #include "vim.h"
***************
*** 116,122 ****
   * Add a buffer to make diffs for.
   * Call this when a new buffer is being edited in the current window where
   * 'diff' is set.
!  * Marks the current buffer as being part of the diff and requireing updating.
   * This must be done before any autocmd, because a command may use info
   * about the screen contents.
   */
--- 116,122 ----
   * Add a buffer to make diffs for.
   * Call this when a new buffer is being edited in the current window where
   * 'diff' is set.
!  * Marks the current buffer as being part of the diff and requiring updating.
   * This must be done before any autocmd, because a command may use info
   * about the screen contents.
   */
***************
*** 929,935 ****
  	goto theend;
  
  #ifdef UNIX
!     /* Temporaraly chdir to /tmp, to avoid patching files in the current
       * directory when the patch file contains more than one patch.  When we
       * have our own temp dir use that instead, it will be cleaned up when we
       * exit (any .rej files created).  Don't change directory if we can't
--- 929,935 ----
  	goto theend;
  
  #ifdef UNIX
!     /* Temporarily chdir to /tmp, to avoid patching files in the current
       * directory when the patch file contains more than one patch.  When we
       * have our own temp dir use that instead, it will be cleaned up when we
       * exit (any .rej files created).  Don't change directory if we can't
***************
*** 2129,2134 ****
--- 2129,2136 ----
  	    EMSG2(_("E102: Can't find buffer \"%s\""), eap->arg);
  	    return;
  	}
+ 	if (buf == curbuf)
+ 	    return;		/* nothing to do */
  	idx_other = diff_buf_idx(buf);
  	if (idx_other == DB_COUNT)
  	{
*** ../vim-7.2.085/src/version.c	Thu Jan 22 18:32:55 2009
--- src/version.c	Thu Jan 22 20:46:54 2009
***************
*** 678,679 ****
--- 678,681 ----
  {   /* Add new patch number below this line */
+ /**/
+     86,
  /**/

-- 
Shift happens.
                -- Doppler

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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