From b13bb4e2d1f883ba7f84bfaa55ad36ef7110c998 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Tue, 28 Feb 2023 17:48:48 +0100
Subject: [nvim+git] add diffview

---
 .config/nvim/init.vim             |  1 +
 .config/nvim/plugins/_install.vim |  1 +
 .config/nvim/plugins/_load.vim    |  1 +
 .config/nvim/plugins/diffview.vim |  6 ++++++
 .config/nvim/plugins/nerdtree.vim | 21 +++++++++++++++++++--
 .gitconfig                        |  5 ++++-
 6 files changed, 32 insertions(+), 3 deletions(-)
 create mode 100644 .config/nvim/plugins/diffview.vim

diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 7c59a81..5e9fb44 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -8,6 +8,7 @@ function UtilityWinfiletypes()
   return winfiletypes
 endfunction
 
+let g:NERDTreeNoInitFiletypes = ["DiffviewFiles"]
 let g:NERDTreeStatusLineTabSwitchFiletypes = ["nerdtree", "help"]
 
 
diff --git a/.config/nvim/plugins/_install.vim b/.config/nvim/plugins/_install.vim
index 9bc483c..60a1f74 100644
--- a/.config/nvim/plugins/_install.vim
+++ b/.config/nvim/plugins/_install.vim
@@ -10,6 +10,7 @@ Plug 'Xuyuanp/nerdtree-git-plugin'
 
 Plug 'nvim-lua/plenary.nvim'
 Plug 'nvim-telescope/telescope.nvim'
+Plug 'sindrets/diffview.nvim'
 
 Plug 'airblade/vim-gitgutter'
 
diff --git a/.config/nvim/plugins/_load.vim b/.config/nvim/plugins/_load.vim
index c101014..4917b89 100644
--- a/.config/nvim/plugins/_load.vim
+++ b/.config/nvim/plugins/_load.vim
@@ -1,5 +1,6 @@
 source ~/.config/nvim/plugins/aerial.vim
 source ~/.config/nvim/plugins/comment.vim
+source ~/.config/nvim/plugins/diffview.vim
 source ~/.config/nvim/plugins/gitgutter.vim
 source ~/.config/nvim/plugins/indent_blankline.vim
 source ~/.config/nvim/plugins/leap.vim
diff --git a/.config/nvim/plugins/diffview.vim b/.config/nvim/plugins/diffview.vim
new file mode 100644
index 0000000..4b9d2f0
--- /dev/null
+++ b/.config/nvim/plugins/diffview.vim
@@ -0,0 +1,6 @@
+lua <<EOF
+require('diffview').setup({})
+EOF
+
+" close all windows when Diffview is closed
+autocmd QuitPre * if &filetype == 'DiffviewFiles' | quitall | endif
diff --git a/.config/nvim/plugins/nerdtree.vim b/.config/nvim/plugins/nerdtree.vim
index 8a7869a..57ffba2 100644
--- a/.config/nvim/plugins/nerdtree.vim
+++ b/.config/nvim/plugins/nerdtree.vim
@@ -3,10 +3,27 @@ let g:NERDTreeGitStatusShowIgnored=1
 
 if !&diff
   autocmd StdinReadPre * let s:std_in=1
-  autocmd VimEnter * NERDTree | if argc() > 0 || exists('s:std_in') | wincmd p | endif
-  autocmd VimEnter * if argc() > 0 | silent NERDTreeFind | wincmd p | endif
 endif
 
+function NERDTreeInit()
+  if !&diff
+    let buffer_type = getbufvar(bufnr(), "&filetype")
+    if index(g:NERDTreeNoInitFiletypes, buffer_type) == -1
+      NERDTree
+
+      if argc() > 0 || exists('s:std_in')
+        wincmd p
+      endif
+
+      if argc() > 0
+        silent NERDTreeFind
+        wincmd p
+      endif
+    endif
+  endif
+endfunction
+autocmd VimEnter * call NERDTreeInit()
+
 autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif
 autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
 
diff --git a/.gitconfig b/.gitconfig
index 92ff9cf..bb20980 100644
--- a/.gitconfig
+++ b/.gitconfig
@@ -10,7 +10,10 @@
 [difftool]
   prompt = false
 [difftool "nvimdiff"]
-  cmd = "nvim -d \"$LOCAL\" \"$REMOTE\""
+  cmd = "nvim -Rd \"$LOCAL\" \"$REMOTE\""
+
+[alias]
+  ndiff = "!nvim -Rc 'DiffviewOpen'"
 
 [core]
 	excludesfile = ~/.config/git/ignore
-- 
cgit v1.2.3