WordPress .gitignore From http://www.stumiller.me/what-should-be-excluded-in-a-wordpress-gitignore-file/
# Keep these files out of the repo
/wp-content/themes/twenty*
/wp-content/upgrade
/wp-content/uploads
/sitemap.*
/wp-config.php
*.sql
# Hidden files
*.DS_Store
*Thumbs.db
*.sass-cache*
*~imageoptim**~
.DS_Store
.svn
.cvs
*.bak
*.swp
Thumbs.db
wp-config.php
wp-content/uploads/
wp-content/blogs.dir/
wp-content/upgrade/
wp-content/backup-db/
wp-content/advanced-cache.php
wp-content/wp-cache-config.php
wp-content/cache/*
wp-content/cache/supercache/*
*.log
wp-content/cache/
wp-content/backups/
sitemap.xml
sitemap.xml.gz