Re: [vim] 7.4.979 duplication file in autocomplete wildmenu (#539)

[Christian Brabandt]

On Sa, 26 Dez 2015, Julien Pivard wrote:

> I started Vim start with `vim -u NONE` (to be sure it's a bug, and not caused 
> by my config) and `set nocompatible`, `set wildmenu`
> 
> When press tab after typed `:!/` suggestion are duplicate like this :
> ![decoupeduplic](https://cloudgithubusercontentcom/assets/16414723/12007046/89afac3a-abf2-11e5-869e-a971ab0fa099png)
> and this :
> ![decoupeduplicfic](https://cloudgithubusercontentcom/assets/16414723/12007047/9ef9e2b8-abf2-11e5-87d3-b595bd1eb0a5png)
> 
> But no probleme in insert mode with `<CTRL-X><CTRL-F>`
> ![duplicmenuedition](https://cloudgithubusercontentcom/assets/16414723/12007050/cf0f416e-abf2-11e5-9e63-e2db5d73ac46png)

Here is a patch, including a test.

Best,
Christian
-- 
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Lebens, als man sie kennt; man spricht ungern oder nicht freudig
davon, wenn man sie kennt.
                -- Jean Paul

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diff --git a/src/ex_getln.c b/src/ex_getln.c
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -4953,7 +4953,11 @@ expand_shellcmd(filepat, num_file, file,
 	    did_curdir = TRUE;
 
 	if (*s == ' ')
+	{
 	    ++s;	/* Skip space used for absolute path name. */
+	    /* do not try to find in current directory again */
+	    did_curdir = TRUE;
+	}
 
 #if defined(MSDOS) || defined(MSWIN)
 	e = vim_strchr(s, ';');
diff --git a/src/testdir/test_expand.vim b/src/testdir/test_expand.vim
--- a/src/testdir/test_expand.vim
+++ b/src/testdir/test_expand.vim
@@ -39,3 +39,12 @@ func Test_with_tilde()
   call delete('Xdir ~ dir', 'd')
   call assert_false(isdirectory('Xdir ~ dir'))
 endfunc
+
+func Test_expand_absolute_path()
+  set nocp wildmode=list
+  cmap ab !<c-r>=getcwd()<cr><c-a><c-r>=setbufvar('%','prompt',getcmdline())<cr>
+  norm :ab
+  call assert_equal('!/home/chrisbra/code/vim/src/testdir/', b:prompt)
+  cunmap ab
+  set cp wildmode&vi
+endfunc