nvim/lua/config/gitsigns.lua

local function on_attach(bufnr)
    local gs = require "gitsigns"

    local function map(mode, lhs, rhs, desc)
        vim.keymap.set(mode, lhs, rhs, { buffer = bufnr, desc = desc })
    end

    map("n", "]g", function()
        if vim.wo.diff then return "]g" end
        vim.schedule(function() gs.next_hunk() end)
        return "<Ignore>"
    end, "Next hunk")

    map("n", "[g", function()
        if vim.wo.diff then return "[g" end
        vim.schedule(function() gs.prev_hunk() end)
        return "<Ignore>"
    end, "Prev hunk")

    map("n", "<leader>hs", gs.stage_hunk, "Stage hunk")
    map("n", "<leader>hr", gs.reset_hunk, "Reset hunk")
    map("n", "<leader>hp", gs.preview_hunk, "Preview hunk")
    map("n", "<leader>hb", gs.blame_line, "Blame line")
    map("n", "<leader>hd", gs.diffthis, "Diff this")
    map("n", "<leader>hD", function() gs.diffthis "~" end, "Diff against ~")
    map("n", "<leader>htb", gs.toggle_current_line_blame, "Toggle line blame")
    map("n", "<leader>htd", gs.toggle_deleted, "Toggle deleted")
end

require("gitsigns").setup {
    on_attach = on_attach,
    signs = {
        add = { text = "┃" },
        change = { text = "┃" },
        delete = { text = "_" },
        topdelete = { text = "‾" },
        changedelete = { text = "~" },
        untracked = { text = "┆" },
    },
    signs_staged = {
        add = { text = "┃" },
        change = { text = "┃" },
        delete = { text = "_" },
        topdelete = { text = "‾" },
        changedelete = { text = "~" },
        untracked = { text = "┆" },
    },
    signs_staged_enable = true,
    signcolumn = true,
    numhl = false,
    linehl = false,
    word_diff = false,
    watch_gitdir = {
        follow_files = true,
    },
    auto_attach = true,
    attach_to_untracked = false,
    current_line_blame = true,
    current_line_blame_opts = {
        virt_text = true,
        virt_text_pos = "eol",
        delay = 500,
        ignore_whitespace = false,
        virt_text_priority = 100,
        use_focus = true,
    },
    current_line_blame_formatter = "<author>, <author_time:%R> - <summary>",
    blame_formatter = nil,
    sign_priority = 6,
    update_debounce = 100,
    status_formatter = nil,
    max_file_length = 40000,
    preview_config = {
        style = "minimal",
        relative = "cursor",
        row = 0,
        col = 1,
    },
}