nvim.nix/nvim/plugin/gitsigns.lua

if vim.g.did_load_gitsigns_plugin then
  return
end
vim.g.did_load_gitsigns_plugin = true

require('gitsigns').setup {
  signcolumn = false,
  numhl = true,
  on_attach = function()
    local gs = package.loaded.gitsigns
    vim.keymap.set('n', '<leader>gg', gs.preview_hunk, { desc = 'git preview hunk' })
    vim.keymap.set('n', '<leader>gb', function()
      gs.blame_line { full = true }
    end, { desc = 'git blame_line' })
    vim.keymap.set('n', '<leader>gr', gs.reset_hunk, { desc = 'git reset hunk' })
    vim.keymap.set('v', '<leader>gr', function()
      gs.reset_hunk { vim.fn.line('.'), vim.fn.line('v') }
    end, { desc = 'git reset hunk' })
    -- Navigation
    vim.keymap.set('n', ']g', function()
      if vim.wo.diff then
        return ']c'
      end
      vim.schedule(function()
        gs.next_hunk()
      end)
      return '<Ignore>'
    end, { expr = true })

    vim.keymap.set('n', '[g', function()
      if vim.wo.diff then
        return '[c'
      end
      vim.schedule(function()
        gs.prev_hunk()
      end)
      return '<Ignore>'
    end, { expr = true })
  end,
}