some vim tips from begriffs' vim history post

Makefile

@@ -82,7 +82,8 @@ sublime:
 
 vim:
 	@printf "$(YELLOW)--- vim ------------------------------------------------\n$(RESET)"
-	mkdir -p ~/.vim/undodir
+	mkdir -p ~/.vim/{undodir,swap,backup}
+	chmod 700 ~/.vim/{undodir,swap,backup}
 	git submodule update --init -- vim/.vim/bundle
 	stow -t "$$HOME" vim
 

fzf/.fzf

@@ -1 +1 @@
-Subproject commit 315e568de006e80138f79c77d5508c7e4853e6b2
+Subproject commit 5c7dcaffe892dad764d0130ee49198646cd8fd73

git/.gitconfig

@@ -36,3 +36,8 @@
 	upstream = log --oneline --no-merges HEAD..${1-$(git branch -lvv | perl -ne '/^\\\\*.*\\\\[(.*?)\\\\]/ and print \"$1\\n\"')}
 [rerere]
 	enabled = true
+[merge]
+	tool = vimdiff
+	conflictstyle = diff3
+[mergetool]
+	prompt = false

vim/.vim/bundle/quick-scope

@@ -1 +1 @@
-Subproject commit 10029708ee50d300d4b5e3475610210d4b29c74d
+Subproject commit 994576d997a52b4c7828149e9f1325d1c4691ae2

vim/.vim/bundle/vim-fugitive

@@ -1 +1 @@
-Subproject commit bd0b87d36ad80e8acd94f22028d15ebb441b1c28
+Subproject commit 08a9a45dbc3cce0af3f246013240d71aa2519ac0

vim/.vim/bundle/vim-gitgutter

@@ -1 +1 @@
-Subproject commit 7eeea63e62b1cc088a75c7a7c244fc774d82e5bb
+Subproject commit 71bbe88525c0b36f4f3843a2a577442bbd7fd957

vim/.vim/bundle/vim-surround

@@ -1 +1 @@
-Subproject commit 597068870b8f093a8b2d11536c62ff31222ee8d0
+Subproject commit fab8621670f71637e9960003af28365129b1dfd0

vim/.vimrc

@@ -12,6 +12,18 @@ set smarttab
 set tabstop=4
 set shiftwidth=4
 set expandtab
+
+" swap settings
+set swapfile
+set directory^=~/.vim/swap//
+set writebackup
+set nobackup
+set backupcopy=auto
+" patch required to honor double slash
+if has("patch-8.1.0251")
+    " consolidate writebackups
+    set backupdir^=~/.vim/backup//
+end
 set undofile
 set undodir=~/.vim/undodir
 
@@ -38,6 +50,15 @@ set tabpagemax=50
 noremap 0 ^
 noremap ^ 0
 
+" shortcuts for 3way merge
+map <Leader>1 :diffget LOCAL<CR>
+map <Leader>2 :diffget BASE<CR>
+map <Leader>3 :diffget REMOTE<CR>
+
+if has("patch-8.1.0360")
+    set diffopt+=internal,algorithm:patience
+end
+
 inoremap <C-U> <C-G>u<C-U>
 
 cmap w!! w !sudo tee % >/dev/null