Merge pull request #5642 from Shougo/vim-7.4.1660

vim-patch:7.4.1660

src/nvim/eval.c

@@ -10658,7 +10658,7 @@ static void f_has(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   if (!n) {
     if (STRNICMP(name, "patch", 5) == 0) {
       if (name[5] == '-'
-          && strlen(name) > 11
+          && strlen(name) >= 11
           && ascii_isdigit(name[6])
           && ascii_isdigit(name[8])
           && ascii_isdigit(name[10])) {

src/nvim/testdir/test_expr.vim

@@ -1,5 +1,20 @@
 " Tests for expressions.
 
+func Test_version()
+  call assert_true(has('patch-7.4.001'))
+  call assert_true(has('patch-7.4.01'))
+  call assert_true(has('patch-7.4.1'))
+  call assert_true(has('patch-6.9.999'))
+  call assert_true(has('patch-7.1.999'))
+  call assert_true(has('patch-7.4.123'))
+
+  call assert_false(has('patch-7'))
+  call assert_false(has('patch-7.4'))
+  call assert_false(has('patch-7.4.'))
+  call assert_false(has('patch-9.1.0'))
+  call assert_false(has('patch-9.9.1'))
+endfunc
+
 func Test_strgetchar()
   call assert_equal(char2nr('a'), strgetchar('axb', 0))
   call assert_equal(char2nr('x'), strgetchar('axb', 1))

src/nvim/version.c

@@ -784,7 +784,7 @@ static int included_patches[] = {
   1663,
   // 1662 NA
   // 1661 NA
-  // 1660,
+  1660,
   // 1659 NA
   1658,
   // 1657 NA