Customizing core.commentChar causes issues

[skbolton]

Description

In my git config I change the comment char to be a ; (# is a bad default since I type a lot of markdown in my commits).

When I launch the commit popup I can tell that things aren't syntax highlighted correctly

Another is that if I abort the commit and try to not commit it saves my comments as the commit message.

Neovim version

NVIM v0.7.2
Build type: Release
LuaJIT 2.1.0-beta3
Compiled by builduser

Features: +acl +iconv +tui
See ":help feature-compile"

system vimrc file: "$VIM/sysinit.vim"
fall-back for $VIM: "/usr/share/nvim"

Run :checkhealth for more info

Operating system and version

Arch Linux 5.18 kernel

Steps to reproduce

1. Make changes to repo
2. Open commit buffer
3. Close buffer without editing the message

Expected behavior

• My comment char ; should highlight all the lines as comments
• Not adding a commit message should abort message (I think this is a neogit feature?)

I am trying out Neogit as an alternative to fugitive. Not holding this over anyone's head just commenting that my setup works in Fugitive.

Actual behavior

Highlighting is incorrect
Closing buffer creates a commit message with comments as the message

Minimal config

vim.cmd([[set runtimepath=$VIMRUNTIME]])
vim.cmd([[set packpath=/tmp/nvim/site]])
local package_root = "/tmp/nvim/site/pack"
local install_path = package_root .. "/packer/start/packer.nvim"
local function load_plugins()
  require("packer").startup({
    {
      "wbthomason/packer.nvim",
      {
        "TimUntersberger/neogit",
        requires = {
          { "nvim-lua/plenary.nvim" },
          { "sindrets/diffview.nvim" },
        },
        config = function()
          print("loaded neogit")
          require("neogit").setup()
        end,
      },
    },
    config = {
      package_root = package_root,
      compile_path = install_path .. "/plugin/packer_compiled.lua",
      display = { non_interactive = true },
    },
  })
end
if vim.fn.isdirectory(install_path) == 0 then
  print("Installing neogit and dependencies.")
  vim.fn.system({ "git", "clone", "--depth=1", "https://github.com/wbthomason/packer.nvim", install_path })
end
load_plugins()
require("packer").sync()

[skbolton]

Here is the same workflow in fugitive

[CKolkey]

We just use the treesitter parser for gitcommit, or the gitcommit highlights that ship with git.