feat(fugitive): replace git status tab with toggle in current

lua/ow/plugins/fugitive.lua

@@ -1,10 +1,35 @@
 -- https://github.com/tpope/vim-fugitive
 
-local function git_status_tab()
-    vim.cmd.tabnew()
+local function open_git_status()
+    local previous_win = vim.api.nvim_get_current_win()
     vim.cmd("leftabove vertical G")
-    vim.cmd("vertical resize 50")
-    vim.cmd.set("wfw")
+    vim.api.nvim_win_set_width(0, 50)
+    vim.api.nvim_set_option_value("winfixwidth", true, { scope = "local" })
+    vim.api.nvim_set_current_win(previous_win)
+end
+
+local function get_git_status_win()
+    local current_tabpage = vim.api.nvim_get_current_tabpage()
+    for _, win in ipairs(vim.api.nvim_tabpage_list_wins(current_tabpage)) do
+        local buf = vim.api.nvim_win_get_buf(win)
+        local buftype = vim.api.nvim_get_option_value("buftype", { buf = buf })
+        if
+            buftype == "nowrite"
+            and vim.api.nvim_buf_get_name(buf):match("^fugitive://.*%.git//$")
+        then
+            return win
+        end
+    end
+end
+
+local function toggle_git_status()
+    local win = get_git_status_win()
+    if win then
+        vim.api.nvim_win_close(win, false)
+        return
+    end
+
+    open_git_status()
 end
 
 ---@type LazyPluginSpec