package opam-0install-cudf

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Opam solver using 0install backend using the CUDF interface

Install 

dune-project
 Dependency

github.com Readme Changelog ISC License Edit opam file Versions (7)

Authors

  1. K
    Kate <kit-ty-kate@outlook.com>

Maintainers

  1. K
    Kate <kit-ty-kate@outlook.com>

Sources

opam-0install-cudf-0.5.0.tar.gz
md5=75419722aa839f518a25cae1b3c6efd4
sha512=83c0372168d612ef80548ab7fb021a92cdc39e13a77d87c5af5fd21eb515389b624d09c24d500e9ac33b3fc10d17c9869f160f8771f9c8f545b0453b9a0fd4df

doc/opam-0install-cudf/Opam_0install_cudf/index.html

Module Opam_0install_cudfSource

Sourcetype t
Sourcetype selections
Sourcetype diagnostics
Sourceval create : ?prefer_oldest:bool -> ?handle_avoid_version:bool -> ?prefer_installed:bool -> constraints: (Cudf_types.pkgname * (Cudf_types.relop * Cudf_types.version)) list -> Cudf.universe -> t

create ~constraints universe is a solver that gets candidates from universe, filtering them using constraints.

  • parameter prefer_oldest

    if true the solver is set to return the least up-to-date version of each package, if a solution exists. This is false by default.

  • before 0.4

    the prefer_oldest parameter did not exist.

  • parameter handle_avoid_version

    if true the solver will try to avoid packages containing the ("avoid-version", `Int 1) or ("avoid-version", `Bool true) extra property (see Cudf.package.pkg_extra). However, if a package both has this property and is installed, the solver will do as if the package didn't have the avoid-version property. This is true by default.

  • before 0.5

    the handle_avoid_version parameter did not exist.

  • parameter prefer_installed

    if true the solver will try to prioritize keeping the versions of packages installed at their current version instead of the latest possible version. This is false by default.

  • before 0.5

    the prefer_installed parameter did not exist.

Sourceval solve : t -> (Cudf_types.pkgname * [ `Essential | `Recommended ]) list -> (selections, diagnostics) result

solve t packages finds a compatible set of package versions that includes all packages in packages according to their requirement tag, and their required dependencies if needed.

Sourceval packages_of_result : selections -> (Cudf_types.pkgname * Cudf_types.version) list
Sourceval diagnostics : ?verbose:bool -> diagnostics -> string

diagnostics d is a message explaining why d failed, generated by performing another solve which doesn't abort on failure.