rework toggleterm stuff

.config/nvim/lua/funcs.lua

@@ -120,24 +120,33 @@ function M.toggle_term_cmd(opts)
     terms[opts.cmd][num]:toggle()
 end
 
--- TODO: test this
+function M.cmd(cmd, show_error)
+    if type(cmd) == "string" then cmd = { cmd } end
+    local result = vim.fn.system(cmd)
+    local success = vim.api.nvim_get_vvar "shell_error" == 0
+    if not success and (show_error == nil or show_error) then
+        vim.api.nvim_err_writeln(("Error running command %s\nError message:\n%s"):format(table.concat(cmd, " "), result))
+    end
+    return success and result:gsub("[\27\155][][()#;?%d]*[A-PRZcf-ntqry=><~]", "") or nil
+end
+
 function M.file_worktree(file, worktrees)
     worktrees = worktrees or vim.g.git_worktrees
     if not worktrees then return end
-    file = file or vim.fn.expand("%")
+    file = file or vim.fn.expand "%"
     for _, worktree in ipairs(worktrees) do
-        local r = vim.fn.system({
-            "git",
-            "--work-tree",
-            worktree.toplevel,
-            "--git-dir",
-            worktree.gitdir,
-            "ls-files",
-            "--error-unmatch",
-            file
-            ---@diagnostic disable-next-line: undefined-field
-        }):wait()
-        if r.code == 0 then
+        if
+            M.cmd({
+                "git",
+                "--work-tree",
+                worktree.toplevel,
+                "--git-dir",
+                worktree.gitdir,
+                "ls-files",
+                "--error-unmatch",
+                file,
+            }, false)
+        then
             return worktree
         end
     end