Open a package changelog for reading.
Similar to fopen in functionality, except that the returned 'file
stream' could really be from an archive as well as from the database.
@param pkg the package to read the changelog of (either file or db)
@return a 'file stream' to the package changelog
Open a package changelog for reading. Similar to fopen in functionality, except that the returned 'file stream' could really be from an archive as well as from the database. @param pkg the package to read the changelog of (either file or db) @return a 'file stream' to the package changelog