[git] Exclude .gitignore and all of WordPress, except specified directories

exclude

# Sample of .git/info/exclude
# Documentation: https://git-scm.com/docs/gitignore

# Exclude .gitignore file.
  # If an initial .gitignore file has been added to the repo,
  # you might have to delete it first and sync the change.
  # Then create a new one which will be excluded according to this rule.
.gitignore

# Exclude all of WordPress, but keep these directories synced:
  # /wp-content/mu-plugins
  # /wp-content/themes/child-theme

# Exclude everything in root…
/*

# … except wp-content.
!/wp-content

# Now exclude everything in wp-content …
/wp-content/*

# … except mu-plugins …
!/wp-content/mu-plugins

# … and except themes.
!/wp-content/themes

# Now exclude everything in themes …
/wp-content/themes/*

# … except child theme.
!/wp-content/themes/child-theme