commit 73d4e4c8922f6f4d256f910a18f47c0c3a48c28b
author Bram Moolenaar <Bram@vim.org> Sat Aug 27 21:55:13 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Aug 27 21:55:13 2016 +0200
tree 61f174d30ce316a317650c55140c2839da316426
parent 3056735ae8a366aa7fcb51872520895251858637

patch 7.4.2274
Problem:    Command line completion on "find **/filename" drops sub-directory.
Solution:   Handle this case separately. (Harm te Hennepe, closes #932, closes
            #939)

src/misc1.c

diff --git a/src/misc1.c b/src/misc1.c
index 8cb3b6f..d9f02b7 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -10514,18 +10514,34 @@
 	/* Shorten the filename while maintaining its uniqueness */
 	path_cutoff = get_path_cutoff(path, &path_ga);
 
-	/* we start at the end of the path */
-	pathsep_p = path + len - 1;
+	/* Don't assume all files can be reached without path when search
+	 * pattern starts with star star slash, so only remove path_cutoff
+	 * when possible. */
+	if (pattern[0] == '*' && pattern[1] == '*'
+		&& vim_ispathsep_nocolon(pattern[2])
+		&& path_cutoff != NULL
+		&& vim_regexec(&regmatch, path_cutoff, (colnr_T)0)
+		&& is_unique(path_cutoff, gap, i))
+	{
+	    sort_again = TRUE;
+	    mch_memmove(path, path_cutoff, STRLEN(path_cutoff) + 1);
+	}
+	else
+	{
+	    /* Here all files can be reached without path, so get shortest
+	     * unique path.  We start at the end of the path. */
+	    pathsep_p = path + len - 1;
 
-	while (find_previous_pathsep(path, &pathsep_p))
-	    if (vim_regexec(&regmatch, pathsep_p + 1, (colnr_T)0)
-		    && is_unique(pathsep_p + 1, gap, i)
-		    && path_cutoff != NULL && pathsep_p + 1 >= path_cutoff)
-	    {
-		sort_again = TRUE;
-		mch_memmove(path, pathsep_p + 1, STRLEN(pathsep_p));
-		break;
-	    }
+	    while (find_previous_pathsep(path, &pathsep_p))
+		if (vim_regexec(&regmatch, pathsep_p + 1, (colnr_T)0)
+			&& is_unique(pathsep_p + 1, gap, i)
+			&& path_cutoff != NULL && pathsep_p + 1 >= path_cutoff)
+		{
+		    sort_again = TRUE;
+		    mch_memmove(path, pathsep_p + 1, STRLEN(pathsep_p));
+		    break;
+		}
+	}
 
 	if (mch_isFullName(path))
 	{

src/testdir/test_cmdline.vim

diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 3a35637..f6721d5 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -180,3 +180,11 @@
 
   call assert_fails('call getcompletion("", "burp")', 'E475:')
 endfunc
+
+func Test_expand_star_star()
+  call mkdir('a/b', 'p')
+  call writefile(['asdfasdf'], 'a/b/fileXname')
+  call feedkeys(":find **/fileXname\<Tab>\<CR>", 'xt')
+  call assert_equal('find a/b/fileXname', getreg(':'))
+  call delete('a', 'rf')
+endfunc

src/version.c

diff --git a/src/version.c b/src/version.c
index 4a19097..9987b95 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2274,
+/**/
     2273,
 /**/
     2272,