From 4c4116c6af1f3db191cd4d83e66cbf1c5b413bfd Mon Sep 17 00:00:00 2001
From: Danielle McLean <danielle@ethicaljobs.com.au>
Date: Mon, 23 Oct 2023 13:50:24 +1100
Subject: [PATCH 1/2] Explicitly hide default icon so third-party icon plugins
 work right

---
 config/vim/statusline.vim | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/config/vim/statusline.vim b/config/vim/statusline.vim
index 04bc2a6..33d9531 100644
--- a/config/vim/statusline.vim
+++ b/config/vim/statusline.vim
@@ -2,6 +2,13 @@ vim9script
 
 import autoload ($XDG_CACHE_HOME .. '/vim/pack/minpac/start/vim-crystalline/autoload/crystalline.vim') as cr
 
+def DropIfDefault(status: string, default: string): string
+	if status == default
+		return ''
+	endif
+	return status
+enddef
+
 def PrependIfVisible(status: string, prefix: string): string
 	if empty(status)
 		return ''
@@ -41,7 +48,7 @@ def StatuslineLeft(window: number, inactive: bool): string
 	const bufnr = window->winbufnr()
 	const b = bufnr->getbufvar('&')
 	const fileName = [
-		bufname(bufnr)->g:nerdfont#find()->AppendIfVisible(' '),
+		bufname(bufnr)->g:nerdfont#find()->DropIfDefault(g:nerdfont#default)->AppendIfVisible(' '),
 		b.buftype == '' ? '%t' : '%f',
 		b.modifiable && b.modified ? cr.ModeHiItem('Modified') .. '+' .. cr.ModeHiItem('Fill') : '',
 		b.readonly ? " \uf023" : '', # nf-fa-lock
@@ -78,7 +85,6 @@ enddef
 
 def ConfigurePlugins(): void
 	g:battery#component_format = '%s %v%%'
-	g:nerdfont#default = ''
 	g:crystalline_theme = 'gruvbox8'
 enddef
 
@@ -107,12 +113,13 @@ def InitTab()
 			width += 2
 		endif
 
-		const icon = bufname(bufnr)->g:nerdfont#find()->PrependIfVisible(' ')
-		if width + strchars(icon) >= maxWidth
+		const icon = bufname(bufnr)->g:nerdfont#find()->DropIfDefault(g:nerdfont#default)->PrependIfVisible(' ')
+		const iconWidth = strchars(icon)
+		if width + iconWidth >= maxWidth
 			return [tabDisplay, width]
 		endif
 
-		return [icon .. tabDisplay, width + strchars(icon)]
+		return [icon .. tabDisplay, width + iconWidth]
 	enddef
 enddef
 

From 0d1e22d515423ef0a13fa62061e43512ae214849 Mon Sep 17 00:00:00 2001
From: Danielle McLean <danielle@ethicaljobs.com.au>
Date: Mon, 23 Oct 2023 13:51:10 +1100
Subject: [PATCH 2/2] Switch from NERDtree to fern.vim, which is async and very
 pluggable

---
 config/vim/init.vim    | 7 ++++++-
 config/vim/plugins.vim | 8 +++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/config/vim/init.vim b/config/vim/init.vim
index 3a31895..d7b3a69 100644
--- a/config/vim/init.vim
+++ b/config/vim/init.vim
@@ -84,12 +84,17 @@ g:csv_no_conceal = 1
 g:vim_svelte_plugin_use_typescript = 1
 
 g:LatexBox_Folding = 1
-g:NERDTreeHijackNetrw = 1
 
 g:ale_set_balloons = 1
 nmap <silent> <C-k> <Plug>(ale_previous_wrap)
 nmap <silent> <C-j> <Plug>(ale_next_wrap)
 
+g:fern#renderer = 'nerdfont'
+augroup glyphPalette
+	autocmd!
+	autocmd FileType fern g:glyph_palette#apply()
+augroup END
+
 g:mucomplete#can_complete = {
 	default: {
 		omni: (t) => strlen(&l:omnifunc) > 0 && t =~# '\m\k\%(\k\|\.\)$'
diff --git a/config/vim/plugins.vim b/config/vim/plugins.vim
index 3058518..25e8f2d 100644
--- a/config/vim/plugins.vim
+++ b/config/vim/plugins.vim
@@ -28,7 +28,6 @@ minpac#add('lifepillar/vim-mucomplete')
 minpac#add('lotabout/skim')
 minpac#add('lotabout/skim.vim')
 minpac#add('mhinz/vim-signify')
-minpac#add('scrooloose/nerdtree')
 minpac#add('sjl/vitality.vim')
 minpac#add('tpope/vim-apathy')
 minpac#add('tpope/vim-commentary')
@@ -51,8 +50,15 @@ minpac#add('00dani/SchemaStore.vim')
 
 minpac#add('rbong/vim-crystalline')
 minpac#add('lambdalisue/battery.vim')
+minpac#add('lambdalisue/glyph-palette.vim')
 minpac#add('lambdalisue/nerdfont.vim')
 
+minpac#add('lambdalisue/fern.vim')
+minpac#add('lambdalisue/fern-hijack.vim')
+minpac#add('lambdalisue/fern-renderer-nerdfont.vim')
+minpac#add('lambdalisue/fern-git-status.vim')
+minpac#add('lambdalisue/fern-ssh')
+
 minpac#add('alvan/vim-closetag')
 minpac#add('LaTeX-Box-Team/LaTeX-Box')
 minpac#add('vhda/verilog_systemverilog.vim')