Rename plugins.d/ to pluginconf/

home/.config/nvim/lua/pluginconf/nerdtree.lua

@@ -0,0 +1,65 @@
+local vim = require("vim")
+local g = vim.g
+local fn = vim.fn
+local cmd = vim.cmd
+
+cmd[[
+Plug 'preservim/nerdtree'
+Plug 'Xuyuanp/nerdtree-git-plugin'
+Plug 'tiagofumo/vim-nerdtree-syntax-highlight'
+]]
+
+-- Implement manual NERDTreeToggle, but use NERDTreeFind for openning.
+-- This makes NERDTree open with the current file pre-selected
+Keymap("n", "<C-n>", "g:NERDTree.IsOpen() ? ':NERDTreeClose<CR>' : @% == '' ? ':NERDTree<CR>' : ':NERDTreeFind<CR>'", {expr=true})
+
+g.NERDTreeShowHidden = 1
+g.NERDTreeMinimalUI = 1
+g.NERDTreeShowLineNumbers = 0
+g.NERDTreeWinSize = 25
+
+g.NERDTreeDirArrowExpandable = '►'
+g.NERDTreeDirArrowCollapsible = '▼'
+
+-- Disable devicons for nerdtree in TTY
+if not os.getenv("DISPLAY") then
+    g.webdevicons_enable_nerdtree = 0
+else
+    g.DevIconsEnableFoldersOpenClose = 1
+end
+
+-- If a directory is specified, start NERDTree
+cmd[[
+autocmd StdinReadPre * let s:std_in=1
+autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists('s:std_in') |
+    \ execute 'NERDTree' argv()[0] | wincmd p | enew | execute 'cd '.argv()[0] |
+    \ endif
+]]
+
+-- Exit Vim if NERDTree is the only window left.
+cmd[[
+autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() |
+    \ quit | endif
+]]
+
+-- If another buffer tries to replace NerdTree, put it in another window, and bring back NerdTree.
+cmd[[
+autocmd BufEnter * if bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
+    \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
+]]
+
+-- Use $NERDTREE_BOOKMARKS environment variable for the location of .NERDTreeBookmarks file
+local bookmark_loc = os.getenv("NERDTREE_BOOKMARKS")
+if bookmark_loc then
+    -- Check if file exists (lua doesn't have a built-in function for this)
+    local file_exists = os.rename(bookmark_loc, bookmark_loc) and true or false
+
+    if not file_exists then
+        -- While this is possible with os.execute in lua, we would need to do some hacky
+        -- things to capture output from os.execute and it's simpler to just use vimscript
+        local dir = fn.system("dirname $NERDTREE_BOOKMARKS")
+        fn.system({"mkdir", "-p", dir})
+        fn.system("touch $NERDTREE_BOOKMARKS")
+    end
+    g.NERDTreeBookmarksFile = bookmark_loc
+end