update config for plugins (#472)

Author: jdhao

lua/config/diffview.lua

@@ -0,0 +1,23 @@
+local ok, diffview = pcall(require, "diffview")
+if not ok then
+  return
+end
+
+diffview.setup {
+  enhanced_diff_hl = true,
+  view = {
+    default = {
+      disable_diagnostics = true,
+    },
+    merge_tool = {
+      layout = "diff3_mixed",
+    },
+  },
+  file_history_panel = {
+    win_config = {
+      type = "split",
+      position = "bottom",
+      height = 10,
+    },
+  },
+}

lua/plugin_specs.lua

@@ -408,6 +408,9 @@ local plugin_specs = {
   {
     "sindrets/diffview.nvim",
     cmd = { "DiffviewOpen" },
+    config = function()
+      require("config.diffview")
+    end,
   },
 
   {
@@ -734,7 +737,11 @@ local plugin_specs = {
     event = "FileType qf",
     ---@module "quicker"
     ---@type quicker.SetupOptions
-    opts = {},
+    opts = {
+      max_filename_width = function()
+        return math.floor(math.min(40, vim.o.columns / 2))
+      end,
+    },
   },
   {
     "nickjvandyke/opencode.nvim",