/usr/share/doc/composer/fixtures/repo-composer-with-providers/ is in composer 1.0.0~beta2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/bar/
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/bar/baz$923363b3c22e73abb2e3fd891c8156dd4d0821a97fd3e428bc910833e3e46dbe.json
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/foo/
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/foo/bar$4baabb3303afa3e34a4d3af18fb138e5f3b79029c1f8d9ab5b477ea15776ba0a.json
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/gar/
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/gar/nix$5d210670cb46c8364c8e3fb449967b9bea558b971e5b082f330ae4f1d484c321.json
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/provider-active$1893a061e579543822389ecd12d791c612db0c05e22d90e9286e233cacd86ed8.json
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/qux/
/usr/share/doc/composer/fixtures/repo-composer-with-providers/p/qux/quux$c142d1a07ca354be46b613f59f1d601923a5a00ccc5fcce50a77ecdd461eb72d.json
/usr/share/doc/composer/fixtures/repo-composer-with-providers/packages.json