add neovim configs

nvim/lua/hmsy/keymaps.lua

@@ -0,0 +1,50 @@
+local function map(mode, l, r, opts)
+  opts = opts or {}
+  opts.buffer = bufnr
+  vim.keymap.set(mode, l, r, opts)
+end
+
+require('gitsigns').setup{
+  on_attach = function(bufnr)
+    local gs = package.loaded.gitsigns
+
+    -- Navigation
+    map('n', ']c', function()
+      if vim.wo.diff then return ']c' end
+      vim.schedule(function() gs.next_hunk() end)
+      return '<Ignore>'
+    end, {expr=true})
+
+    map('n', '[c', function()
+      if vim.wo.diff then return '[c' end
+      vim.schedule(function() gs.prev_hunk() end)
+      return '<Ignore>'
+    end, {expr=true})
+
+    -- Actions
+    map({'n', 'v'}, '<leader>hs', ':Gitsigns stage_hunk<CR>')
+    map({'n', 'v'}, '<leader>hr', ':Gitsigns reset_hunk<CR>')
+    map('n', '<leader>hS', gs.stage_buffer)
+    map('n', '<leader>hu', gs.undo_stage_hunk)
+    map('n', '<leader>hR', gs.reset_buffer)
+    map('n', '<leader>hp', gs.preview_hunk)
+    map('n', '<leader>hb', function() gs.blame_line{full=true} end)
+    map('n', '<leader>tb', gs.toggle_current_line_blame)
+    map('n', '<leader>hd', gs.diffthis)
+    map('n', '<leader>hD', function() gs.diffthis('~') end)
+    map('n', '<leader>td', gs.toggle_deleted)
+
+    -- Text object
+    map({'o', 'x'}, 'ih', ':<C-U>Gitsigns select_hunk<CR>')
+  end
+}
+
+-- formatter
+map('n', '<leader>F', vim.lsp.buf.format, {})
+
+-- telescope
+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
+vim.keymap.set('n', '<leader>fg', builtin.live_grep, {})
+vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
+vim.keymap.set('n', '<leader>fh', builtin.help_tags, {})