From cbc3f5e50c6576a5306e2af5ee1fc767b1557af6 Mon Sep 17 00:00:00 2001
From: Eric Wong <eric@wsdjeg.net>
Date: Sun, 31 Mar 2024 15:47:50 +0800
Subject: [PATCH] feat(git): complete `:Git branch`

---
 bundle/git.vim/autoload/git/branch.vim    | 4 ++++
 bundle/git.vim/doc/git.txt                | 2 +-
 bundle/git.vim/lua/git/command/branch.lua | 7 +++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/bundle/git.vim/autoload/git/branch.vim b/bundle/git.vim/autoload/git/branch.vim
index 5817a782d..02a47643f 100644
--- a/bundle/git.vim/autoload/git/branch.vim
+++ b/bundle/git.vim/autoload/git/branch.vim
@@ -24,6 +24,10 @@ if has('nvim-0.9.0')
   function! git#branch#detect() abort
     lua require('git.command.branch').detect()
   endfunction
+
+  function! git#branch#complete(ArgLead, CmdLine, CursorPos) abort
+    return luaeval('require("git.command.branch").complete(vim.api.nvim_eval("a:ArgLead"), vim.api.nvim_eval("a:CmdLine"), vim.api.nvim_eval("a:CursorPos"))')
+  endfunction
 else
 
   let s:JOB = SpaceVim#api#import('job')
diff --git a/bundle/git.vim/doc/git.txt b/bundle/git.vim/doc/git.txt
index b0a3514a0..09f93ca45 100644
--- a/bundle/git.vim/doc/git.txt
+++ b/bundle/git.vim/doc/git.txt
@@ -1,5 +1,5 @@
 *git.txt*	Git support in vim
-Wang Shidong                                                             *git*
+Wang Shidong & Mattes Groeger                                            *git*
 
 ==============================================================================
 CONTENTS                                                        *git-contents*
diff --git a/bundle/git.vim/lua/git/command/branch.lua b/bundle/git.vim/lua/git/command/branch.lua
index dda7d19ed..84686c947 100644
--- a/bundle/git.vim/lua/git/command/branch.lua
+++ b/bundle/git.vim/lua/git/command/branch.lua
@@ -146,4 +146,11 @@ function M.run(argv)
   end
 end
 
+function M.complete(arglead, cmdline, cursorpos)
+  if vim.startswith(arglead, '-') then
+    return table.concat({'-d', '-D'}, '\n')
+  end
+  return table.concat(vim.fn.map(vim.fn.systemlist('git branch --no-merged'), 'trim(v:val)'), '\n')
+end
+
 return M