test sparse

  $ hg init myrepo

  $ cd myrepo

  $ cat >> $HGRCPATH <<EOF

  > [extensions]

  > sparse=

  > purge=

  > strip=

  > rebase=

  > EOF

  $ echo a > index.html

  $ echo x > data.py

  $ echo z > readme.txt

  $ cat > base.sparse <<EOF

  > [include]

  > *.sparse

  > EOF

  $ hg ci -Aqm 'initial'

  $ cat > webpage.sparse <<EOF

  > %include base.sparse

  > [include]

  > *.html

  > EOF

  $ hg ci -Aqm 'initial'

Clear rules when there are includes

  $ ls

  data.py

  $ ls

  base.sparse

  data.py

  index.html

  readme.txt

  webpage.sparse

Clear rules when there are excludes

  $ ls

  data.py

  index.html

  readme.txt

  $ ls

  base.sparse

  data.py

  index.html

  readme.txt

  webpage.sparse

Clearing rules should not alter profiles

  $ ls

  base.sparse

  index.html

  webpage.sparse

  $ ls

  base.sparse

  data.py

  index.html

  webpage.sparse

  $ ls

  base.sparse

  index.html

  webpage.sparse