59 lines
2 KiB
OCaml
59 lines
2 KiB
OCaml
module Set = OpamPackage.Set
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type package = OpamPackage.t
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let packages (switch : OpamFile.SwitchExport.t) =
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assert (Set.cardinal switch.selections.sel_pinned = 0);
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assert (Set.cardinal switch.selections.sel_compiler = 0);
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assert (Set.subset switch.selections.sel_roots switch.selections.sel_installed);
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switch.selections.sel_installed
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type version_diff = {
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name : OpamPackage.Name.t;
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version_left : OpamPackage.Version.t;
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version_right : OpamPackage.Version.t;
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}
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let pp_opampackage ppf p =
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Format.fprintf ppf "%s" (OpamPackage.to_string p)
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let pp_version_diff ppf { name; version_left; version_right } =
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Format.fprintf ppf "%s.%s->%s"
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(OpamPackage.Name.to_string name)
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(OpamPackage.Version.to_string version_left)
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(OpamPackage.Version.to_string version_right)
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let compare left right =
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let packages_left = packages left and packages_right = packages right in
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let module Set = OpamPackage.Set in
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let equal_name p1 p2 = OpamPackage.Name.equal p1.OpamPackage.name p2.OpamPackage.name in
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let diff l r =
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Set.filter (fun p1 ->
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not (Set.exists (equal_name p1) r))
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l
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in
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let same_version = Set.inter packages_left packages_right in
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let (same, opam_diff) =
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Set.partition
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(fun p ->
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let find = OpamPackage.Name.Map.find p.name in
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let opam_left = find left.overlays and opam_right = find right.overlays in
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OpamFile.OPAM.effectively_equal opam_left opam_right)
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same_version
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and version_diff =
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List.filter_map (fun p1 ->
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match Set.find_opt (equal_name p1) packages_right with
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| Some p2 ->
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if OpamPackage.Version.equal p1.version p2.version
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then None
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else
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Some { name = p1.OpamPackage.name;
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version_left = p1.OpamPackage.version;
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version_right = p2.OpamPackage.version }
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| None ->
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None)
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(Set.elements packages_left)
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and left = diff packages_left packages_right
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and right = diff packages_right packages_left
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in
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(same, opam_diff, version_diff, left, right)
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