[PATCH 04/24] untracked cache: invalidate dirs recursively if .gitignore changes

It's easy to see that if an existing .gitignore changes, its SHA-1 would be different and invalidate_gitignore() is called. If .gitignore is removed, add_excludes() will treat it like an empty .gitignore, which again should invalidate the cached directory data. if .gitignore is added,

[PATCH 04/24] untracked cache: invalidate dirs recursively if .gitignore changes

It's easy to see that if an existing .gitignore changes, its SHA-1 would be different and invalidate_gitignore() is called. If .gitignore is removed, add_excludes() will treat it like an empty .gitignore, which again should invalidate the cached directory data. if .gitignore is added,

[PATCH 04/24] untracked cache: invalidate dirs recursively if .gitignore changes

It's easy to see that if an existing .gitignore changes, its SHA-1 would be different and invalidate_gitignore() is called. If .gitignore is removed, add_excludes() will treat it like an empty .gitignore, which again should invalidate the cached directory data. if .gitignore is added,