dotfiles/.config/nvim/lua/plugins/git.lua

return {
    {
        "lewis6991/gitsigns.nvim",
        enabled = true,
        lazy = false,
        dependencies = { "nvim-telescope/telescope.nvim", { "command-palette" } },
        config = function(_, opts)
            local gitsigns = require("gitsigns")
            gitsigns.setup {
                diff_opts = {
                    internal = true,
                    linematch = 1,
                    algorithm = "minimal"
                },
                signcolumn = true,
                numhl = false,
                linehl = false,
                max_file_length = 50000,
                word_diff = false,
                show_deleted = false,
                auto_attach = true,
                attach_to_untracked = true
            }

            local pickers = require("telescope.pickers")
            local actions = require("telescope.actions")
            local action_state = require("telescope.actions.state")
            local finders = require("telescope.finders")
            local conf = require("telescope.config").values
            local entry_display = require("telescope.pickers.entry_display")
            local palette = require("command-palette")

            local open_picker = function(title, command)
                local displayer = entry_display.create({
                    separator = " ▏",
                    items = {
                        { width = 16 }, { width = 64 }, { width = 24 },
                        { remaining = true }
                    }
                })
                local branches = vim.split(vim.fn.system(
                        "git branch --list --sort committerdate --format '%(refname) ||!|| %(committerdate:relative) ||!|| branch: %(refname:short) ||!|| %(authorname) ||!|| %(subject)' | tac"),
                    "\n")
                local commits = vim.split(vim.fn.system(
                        "git log --branches=\\* --pretty='format:%H ||!|| %cr ||!|| %(decorate:prefix=,suffix=,separator= ) ||!|| %an ||!|| %s'"),
                    "\n")
                local results = {}
                for _, v in pairs(branches) do
                    if string.len(v) > 10 then
                        table.insert(results, v)
                    end
                end
                for _, v in pairs(commits) do
                    if string.len(v) > 10 then
                        table.insert(results, v)
                    end
                end
                pickers.new(opts, {
                    prompt_title = title,
                    finder = finders.new_table({
                        results = results,
                        entry_maker = function(entry)
                            local s = vim.split(entry, "||!||")
                            return {
                                value = s[1],
                                display = function()
                                    return displayer({
                                        { s[2] }, { s[3] }, { s[4] }, { s[5] }
                                    })
                                end,
                                ordinal = string.format("%s %s", s[3], s[5])
                            }
                        end
                    }),
                    sorter = conf.generic_sorter(),
                    attach_mappings = function(prompt_bufnr, _)
                        actions.select_default:replace(function()
                            actions.close(prompt_bufnr)
                            local hash = action_state.get_selected_entry().value
                            if command == "base" then
                                vim.api.nvim_exec(
                                    ":Gitsigns change_base " .. hash .. " true",
                                    true)
                            elseif command == "diff" then
                                vim.api.nvim_exec(":Gitsigns diffthis " .. hash,
                                    true)
                            end
                        end)
                        return true
                    end
                }):find()
            end
            local open_diff_picker =
                function()
                    open_picker("Gitsigns Diff", "diff")
                end
            local open_base_picker = function()
                open_picker("Gitsigns Change Base", "base")
            end
            vim.keymap.set("n", "Sgd", open_diff_picker)
            vim.keymap.set("n", "Sgb", open_base_picker)
            palette.add({
                {
                    "Gitsigns", "", {
                    {
                        "Diff file",
                        "Open the Gitsigns differ for this file",
                        open_diff_picker
                    },
                    {
                        "Change diff base",
                        "Change base branch for Gitsigns to diff again",
                        open_base_picker
                    }
                }
                }
            })
        end
    }
}