# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1453587305 -3600
# Node ID f6311c32141189ce9cdd1d6abff7a8bd59cfe9ff
# Parent  6de202317f9c95a8f54c2ecc55623eb35beb5fbb
commit https://github.com/vim/vim/commit/2faa29f896252073b53f387406109e331fbbe5f8
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Jan 23 23:02:34 2016 +0100

    patch 7.4.1161
    Problem:    ":argadd" without argument is supposed to add the current buffer
                name to the arglist.
    Solution:   Make it work as documented. (Coot, closes https://github.com/vim/vim/issues/577)

diff --git a/src/ex_cmds.h b/src/ex_cmds.h
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -128,7 +128,7 @@ EX(CMD_args,		"args",		ex_args,
 			BANG|FILES|EDITCMD|ARGOPT|TRLBAR,
 			ADDR_LINES),
 EX(CMD_argadd,		"argadd",	ex_argadd,
-			BANG|NEEDARG|RANGE|NOTADR|ZEROR|FILES|TRLBAR,
+			BANG|RANGE|NOTADR|ZEROR|FILES|TRLBAR,
 			ADDR_ARGUMENTS),
 EX(CMD_argdelete,	"argdelete",	ex_argdelete,
 			BANG|RANGE|NOTADR|FILES|TRLBAR,
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -2090,6 +2090,16 @@ do_arglist(str, what, after)
 #endif
 
     /*
+     * Set default argument for ":argadd" command.
+     */
+    if (what == AL_ADD && *str == NUL)
+    {
+	if (curbuf->b_ffname == NULL)
+	    return FAIL;
+	str = curbuf->b_fname;
+    }
+
+    /*
      * Collect all file name arguments in "new_ga".
      */
     if (get_arglist(&new_ga, str) == FAIL)
diff --git a/src/testdir/test_arglist.vim b/src/testdir/test_arglist.vim
--- a/src/testdir/test_arglist.vim
+++ b/src/testdir/test_arglist.vim
@@ -57,6 +57,17 @@ func Test_argadd()
   +2argadd y
   call Assert_argc(['a', 'b', 'c', 'x', 'y'])
   call assert_equal(1, argidx())
+
+  %argd
+  edit d
+  arga
+  call assert_equal(len(argv()), 1)
+  call assert_equal(get(argv(), 0, ''), 'd')
+
+  %argd
+  new
+  arga
+  call assert_equal(len(argv()), 0)
 endfunc
 
 func Init_abc()
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1161,
+/**/
     1160,
 /**/
     1159,