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path: root/.config/nvim/lua/plugins.lua
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local ensure_packer = function()
	local fn = vim.fn
	local install_path = fn.stdpath('data') .. '/site/pack/packer/start/packer.nvim'
	if fn.empty(fn.glob(install_path)) > 0 then
		fn.system({ 'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path })
		vim.cmd [[packadd packer.nvim]]
		return true
	end
	return false
end

vim.api.nvim_create_autocmd('BufWritePost', {
	pattern = require('utils').config_home() .. '/nvim/lua/plugins.lua',
	group = vim.api.nvim_create_augroup('packer', {}),
	command = 'source <afile> | PackerCompile'
})

local packer_bootstrap = ensure_packer()

require('packer').init({
	compile_path = vim.fn.stdpath('data') .. '/site/pack/loader/start/packer/plugin/packer.lua',
})

return require('packer').startup(function(use)

	use 'wbthomason/packer.nvim'

	use {
		'rose-pine/neovim',
		as = 'rose-pine',
		config = function()
			vim.cmd('colorscheme rose-pine')
		end
	}

	use {
		"SmiteshP/nvim-navic",
		requires = "neovim/nvim-lspconfig",
	}

	use {
		"ibhagwan/fzf-lua",
		config = function()
			local opts = {noremap = true, silent = true}
			vim.keymap.set('n', '<leader>f', require('fzf-lua').files, opts)
			vim.keymap.set('n', '<leader>b', require('fzf-lua').buffers, opts)
			vim.keymap.set('n', '<leader>Q', require('fzf-lua').quickfix, opts)
			vim.keymap.set('n', '<leader>t', require('fzf-lua').tabs, opts)
		end
	}

	use {
		'neovim/nvim-lspconfig',
		--ft = vim.g.lsp_langs,
		config = function()
			local lspconfig = require('lspconfig')
			local capabilities = require('cmp_nvim_lsp').default_capabilities()
			local cache = os.getenv("XDG_RUNTIME_DIR") or "/tmp/"

			local on_attach = function(client, bufnr)
				local bind_opts = { silent = true, noremap = true, buffer = true }
				require('nvim-navic').attach(client, bufnr)
				vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bind_opts)
				vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bind_opts)
				vim.keymap.set('n', 'K', vim.lsp.buf.hover, bind_opts)
				vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bind_opts)
				vim.keymap.set('n', '<leader>k', vim.lsp.buf.signature_help, bind_opts)
				vim.keymap.set('n', '<leader>wa', vim.lsp.buf.add_workspace_folder, bind_opts)
				vim.keymap.set('n', '<leader>wr', vim.lsp.buf.remove_workspace_folder, bind_opts)
				vim.keymap.set('n', '<leader>wl', function()
					print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
				end, bind_opts)
				vim.keymap.set('n', '<leader>D', vim.lsp.buf.type_definition, bind_opts)
				vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, bind_opts)
				vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action, bind_opts)
				vim.keymap.set('n', 'gr', vim.lsp.buf.references, bind_opts)
				--vim.keymap.set('n', '<leader>f', vim.lsp.buf.formatting, bind_opts)
				vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, bind_opts)
				vim.keymap.set('n', '<leader>E', vim.diagnostic.setqflist, bind_opts)
			end

			lspconfig.ccls.setup {
				on_attach = on_attach,
				capabilities = capabilities,
				init_options = {
					cache = {
						directory = cache .. "/ccls"
					}
				}
			}

			lspconfig.phpactor.setup {
				on_attach = on_attach,
				capabilities = capabilities
			}

			lspconfig.bashls.setup {
				on_attach = on_attach,
				capabilities = capabilities
			}

			lspconfig.rust_analyzer.setup {
				on_attach = on_attach,
				capabilities = capabilities
			}

			lspconfig.pylsp.setup {
				on_attach = on_attach,
				capabilities = capabilities
			}

			lspconfig.tsserver.setup {
				on_attach = on_attach,
				capabilities = capabilities
			}

			lspconfig.lua_ls.setup {
				on_attach = on_attach,
				capabilities = capabilities,
				settings = {
					Lua = {
						runtime = {
							version = 'LuaJIT',
						},

						diagnostics = {
							globals = { 'vim', 'packer_plugins' },
						},

						workspace = {
							library = vim.api.nvim_get_runtime_file("", true),
						},

						telemetry = {
							enable = false,
						}
					}
				}
			}
		end
	}

	use {
		'nvim-treesitter/nvim-treesitter',
		run = ':TSUpdate',
		after = 'nvim-lspconfig',
		config = function()
			require 'nvim-treesitter.configs'.setup {
				ensure_installed = vim.g.ts_langs,
				sync_install = false,
				auto_install = true,
				highlight = {
					enable = true,
					additional_vim_regex_highlighting = false,
				}
			}
		end
	}

	use {
		'L3MON4D3/LuaSnip',
		config = function()
			require('luasnip.loaders.from_vscode').lazy_load({ paths = "~/.config/nvim/snippets" })
		end
	}

	use {
		'hrsh7th/nvim-cmp',
		requires = {
			'hrsh7th/cmp-nvim-lsp',
			'L3MON4D3/LuaSnip',
			'saadparwaiz1/cmp_luasnip',
			'hrsh7th/cmp-nvim-lsp-signature-help',
			'hrsh7th/cmp-nvim-lsp-document-symbol',
		},
		--ft = vim.g.lsp_langs,
		config = function()
			local cmp = require('cmp')
			local luasnip = require('luasnip')
			cmp.setup({
				snippet = {
					expand = function(args)
						require('luasnip').lsp_expand(args.body)
					end,
				},
				mapping = cmp.mapping.preset.insert({
					['<C-b>'] = cmp.mapping.scroll_docs(-4),
					['<C-f>'] = cmp.mapping.scroll_docs(4),
					['<C-Space>'] = cmp.mapping.complete(),
					['<C-e>'] = cmp.mapping.abort(),
					['<CR>'] = cmp.mapping.confirm({ select = false }),
					['<Tab>'] = cmp.mapping(function(fallback)
						if cmp.visible() then
							cmp.select_next_item()
						elseif luasnip.expand_or_jumpable() then
							luasnip.expand_or_jump()
						else
							fallback()
						end
					end, { "i", "s" }),
					['<S-Tab>'] = cmp.mapping(function(fallback)
						if cmp.visible() then
							cmp.select_prev_item()
						elseif luasnip.locally_jumpable(-1) then
							luasnip.jump(-1)
						else
							fallback()
						end
					end, { "i", "s" }),
					['<C-n>'] = cmp.mapping(function()
						if luasnip.choice_active() then
							luasnip.change_choice(1)
						end
					end),
				}),
				sources = cmp.config.sources({
					{ name = 'nvim_lsp' },
					{ name = 'luasnip' },
					{ name = 'nvim_lsp_signature_help' }
				}),
				formatting = {
					format = function(_, vim_item)
						vim_item.abbr = string.sub(vim_item.abbr, 1, 80)
						return vim_item
					end
				}
			})
			cmp.setup.cmdline({ '/', '?' }, {
				sources = cmp.config.sources({
					{ name = 'nvim_lsp_document_symbol' }
				})
			})
		end
	}

	if packer_bootstrap then
		require('packer').sync()
	end
end)