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path: root/lua/config/git.lua
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vim.pack.add({
	"https://github.com/lewis6991/gitsigns.nvim",
})

require("gitsigns").setup({
	on_attach = function(bufnr)
		local gitsigns = require("gitsigns")

		local function map(mode, l, r, opts)
			opts = opts or {}
			opts.buffer = bufnr
			vim.keymap.set(mode, l, r, opts)
		end

		map("n", "]c", function()
			if vim.wo.diff then
				vim.cmd.normal({ "]c", bang = true })
			else
				gitsigns.nav_hunk("next")
			end
		end)

		map("n", "[c", function()
			if vim.wo.diff then
				vim.cmd.normal({ "[c", bang = true })
			else
				gitsigns.nav_hunk("prev")
			end
		end)

		map("n", "<leader>hs", gitsigns.stage_hunk)
		map("n", "<leader>hr", gitsigns.reset_hunk)

		map("v", "<leader>hs", function()
			gitsigns.stage_hunk({ vim.fn.line("."), vim.fn.line("v") })
		end)

		map("v", "<leader>hr", function()
			gitsigns.reset_hunk({ vim.fn.line("."), vim.fn.line("v") })
		end)

		map("n", "<leader>hS", gitsigns.stage_buffer)
		map("n", "<leader>hR", gitsigns.reset_buffer)
		map("n", "<leader>hp", gitsigns.preview_hunk)
		map("n", "<leader>hi", gitsigns.preview_hunk_inline)

		map("n", "<leader>hb", function()
			gitsigns.blame_line({ full = true })
		end)

		map("n", "<leader>hd", gitsigns.diffthis)

		map("n", "<leader>hD", function()
			gitsigns.diffthis("~")
		end)

		map("n", "<leader>hQ", function()
			gitsigns.setqflist("all")
		end)
		map("n", "<leader>hq", gitsigns.setqflist)

		map("n", "<leader>tb", gitsigns.toggle_current_line_blame)
		map("n", "<leader>tw", gitsigns.toggle_word_diff)
	end,
})

local lazygit_buf = nil
local lazygit_win = nil

local function get_geometry()
	local width = math.floor(vim.o.columns * 0.8)
	local height = math.floor(vim.o.lines * 0.8)
	return {
		relative = "editor",
		row = math.floor((vim.o.lines - height) / 2),
		col = math.floor((vim.o.columns - width) / 2),
		width = width,
		height = height,
		border = "rounded",
		style = "minimal",
	}
end

local function toggle_lazygit()
	if lazygit_win and vim.api.nvim_win_is_valid(lazygit_win) then
		vim.api.nvim_win_close(lazygit_win, true)
		lazygit_win = nil
		return
	end

	if not lazygit_buf or not vim.api.nvim_buf_is_valid(lazygit_buf) then
		lazygit_buf = vim.api.nvim_create_buf(false, true)
	end

	lazygit_win = vim.api.nvim_open_win(lazygit_buf, true, get_geometry())

	local autocmd_id
	autocmd_id = vim.api.nvim_create_autocmd("VimResized", {
		callback = function()
			if lazygit_win and vim.api.nvim_win_is_valid(lazygit_win) then
				vim.api.nvim_win_set_config(lazygit_win, get_geometry())
			else
				vim.api.nvim_del_autocmd(autocmd_id)
			end
		end,
	})

	if vim.bo[lazygit_buf].buftype ~= "terminal" then
		vim.fn.termopen("lazygit", {
			on_exit = function()
				if lazygit_win and vim.api.nvim_win_is_valid(lazygit_win) then
					vim.api.nvim_win_close(lazygit_win, true)
					lazygit_win = nil
				end
				lazygit_buf = nil
			end,
		})
	end

	vim.cmd("startinsert")
end

vim.keymap.set("n", "<leader>gg", toggle_lazygit)