Update gitignore list (#5258)

* update gitignore

* Handle symlink in tar

* Add some logs

options/gitignore/Vim

@@ -1,12 +1,17 @@
-# swap
+# Swap
 [._]*.s[a-v][a-z]
 [._]*.sw[a-p]
-[._]s[a-v][a-z]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
 [._]sw[a-p]
-# session
+
+# Session
 Session.vim
-# temporary
+
+# Temporary
 .netrwhist
 *~
-# auto-generated tag files
+# Auto-generated tag files
 tags
+# Persistent undo
+[._]*.un~