neovim

commit cf68f0a51202342163825015602bdf78b783c777
parent a6f4cfdefa6937b7a0a364277a8157d483631f6d
Author: Famiu Haque <famiuhaque@protonmail.com>
Date:   Wed, 11 May 2022 22:51:53 +0600

fix(api): make `nvim_cmd` work correctly with empty arguments list (#18527)

Closes #18526.
Diffstat:
M
src/nvim/api/private/helpers.c
 | 
3
++-
M
test/functional/api/vim_spec.lua
 | 
4
++++

2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/nvim/api/private/helpers.c b/src/nvim/api/private/helpers.c
@@ -1843,7 +1843,8 @@ int build_cmdline_str(char **cmdlinep, exarg_T *eap, CmdParseInfo *cmdinfo, char
     CMDLINE_APPEND(" %s", args[i]);
   }
   eap->argc = argc;
-  eap->arg = argc > 0 ? eap->args[0] : NULL;
+  // If there isn't an argument, make eap->arg point to end of cmd
+  eap->arg = argc > 0 ? eap->args[0] : cmdline + pos;
 
   // Replace, :make and :grep with 'makeprg' and 'grepprg'.
   char *p = replace_makeprg(eap, eap->arg, cmdlinep);
diff --git a/test/functional/api/vim_spec.lua b/test/functional/api/vim_spec.lua
@@ -3615,5 +3615,9 @@ describe('API', function()
     it('errors if command is not implemented', function()
       eq("Command not implemented: popup", pcall_err(meths.cmd, { cmd = "popup" }, {}))
     end)
+    it('works with empty arguments list', function()
+      meths.cmd({ cmd = "update" }, {})
+      meths.cmd({ cmd = "buffer", count = 0 }, {})
+    end)
   end)
 end)