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path: root/.config/nvim/lua/code.lua
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local lsp      = require('lspconfig')
local git      = require('neogit')
local gitdiff  = require('diffview')
local gitsigns = require('gitsigns')

--------------------------------------------------------------------------
-- lsp

local setup = function(client, buffer)
    local function set_keymap(...) vim.api.nvim_buf_set_keymap(buffer, ...) end
    local function set_option(...) vim.api.nvim_buf_set_option(buffer, ...) end

    set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

    local opts = { noremap=true, silent=true }

    set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
    set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
    set_keymap('n', 'K',  '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
    set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
    set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
    set_keymap('n', '[c', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
    set_keymap('n', ']c', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)

    set_keymap('n', '<Leader><Leader>r', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
end

local servers = { 'clangd', 'tsserver' }
for _, s in ipairs(servers) do
    lsp[s].setup {
        on_attach=setup,
        flags = {
            debounce_text_changes = 150,
        }
    }
end

vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
    vim.lsp.diagnostic.on_publish_diagnostics, {
        virtual_text = false
    }
)

--------------------------------------------------------------------------
-- neogit

git.setup({})

--------------------------------------------------------------------------
-- diffview

gitdiff.setup({})

--------------------------------------------------------------------------
-- gitsigns

gitsigns.setup({
    keymaps = {
        noremap = true,
        ['n ]d'] = { expr = true, "&diff ? ']c' : '<cmd>lua require\"gitsigns.actions\".next_hunk()<CR>'"},
        ['n [d'] = { expr = true, "&diff ? '[c' : '<cmd>lua require\"gitsigns.actions\".prev_hunk()<CR>'"},
    }
})