Module OpamFile.PkgListSource

A simple list of packages and versions: (used for the older $opam/$switch/{installed,installed_roots}, still needed to migrate from 1.2 repository, and for reinstall)

File contents

Sourceval format_version : OpamVersion.t
Sourceval empty : t

Empty file

Sourceval write : t typed_file -> t -> unit

Write some contents to a file

Sourceval read : t typed_file -> t

Read file contents.

Sourceval read_opt : t typed_file -> t option

Returns None on non-existing file

Sourceval safe_read : t typed_file -> t

Read file contents. Return empty if the file does not exist.

Sourceval read_from_channel : ?filename:t typed_file -> in_channel -> t
Sourceval read_from_string : ?filename:t typed_file -> string -> t
Sourceval write_to_channel : ?filename:t typed_file -> out_channel -> t -> unit
Sourceval write_to_string : ?filename:t typed_file -> t -> string