277 lines
9.4 KiB
OCaml
277 lines
9.4 KiB
OCaml
module Set = OpamPackage.Set
|
|
|
|
let packages (switch : OpamFile.SwitchExport.t) =
|
|
assert (Set.cardinal switch.selections.sel_pinned = 0);
|
|
assert (Set.cardinal switch.selections.sel_compiler = 0);
|
|
assert (Set.subset switch.selections.sel_roots switch.selections.sel_installed);
|
|
switch.selections.sel_installed
|
|
|
|
let duniverse_dir = "x-opam-monorepo-duniverse-dirs"
|
|
|
|
module M = Map.Make(String)
|
|
|
|
let duniverse_dirs_data =
|
|
(* the representation in the file is [ URL DIR [ HASH* ] ] *)
|
|
let open OpamParserTypes.FullPos in
|
|
let ( let* ) = Result.bind in
|
|
let string ~ctx = function
|
|
| { pelem = String s ; _ } -> Ok s
|
|
| _ -> Error (`Msg ("couldn't find a string " ^ ctx))
|
|
in
|
|
let extract_data = function
|
|
| { pelem = List { pelem = [ url ; dir ; hashes ] ; _ } ; _ } ->
|
|
let* url = string ~ctx:"url" url in
|
|
let* hashes =
|
|
match hashes with
|
|
| { pelem = List { pelem = hashes ; _ } ; _ } ->
|
|
List.fold_left (fun acc hash ->
|
|
let* acc = acc in
|
|
let* hash = string ~ctx:"hash" hash in
|
|
let* h = match OpamHash.of_string_opt hash with
|
|
| Some h -> Ok OpamHash.(kind h, contents h)
|
|
| None -> Error (`Msg ("couldn't decode opam hash in " ^ hash))
|
|
in
|
|
Ok (h :: acc))
|
|
(Ok []) hashes
|
|
| _ -> Error (`Msg "couldn't decode hashes")
|
|
in
|
|
let* dir = string ~ctx:"directory" dir in
|
|
Ok (url, dir, List.rev hashes)
|
|
| { pelem = List { pelem = [ url ; dir ] ; _ } ; _ } ->
|
|
let* url = string ~ctx:"url" url in
|
|
let* dir = string ~ctx:"directory" dir in
|
|
Ok (url, dir, [])
|
|
| _ -> Error (`Msg "expected a list of URL, DIR, [HASHES]")
|
|
in
|
|
function
|
|
| { pelem = List { pelem = lbody ; _ } ; _ } ->
|
|
List.fold_left (fun acc v ->
|
|
let* acc = acc in
|
|
let* (url, dir, hashes) = extract_data v in
|
|
Ok (M.add dir (url, hashes) acc))
|
|
(Ok M.empty) lbody
|
|
| _ -> Error (`Msg "expected a list or a nested list")
|
|
|
|
let duniverse (switch : OpamFile.SwitchExport.t) =
|
|
let root = switch.OpamFile.SwitchExport.selections.OpamTypes.sel_roots in
|
|
if OpamPackage.Set.cardinal root = 1 then
|
|
let root = OpamPackage.Set.choose root in
|
|
match OpamPackage.(Name.Map.find_opt root.name switch.OpamFile.SwitchExport.overlays) with
|
|
| None -> Error (`Msg "opam switch export doesn't contain the main package")
|
|
| Some opam ->
|
|
match OpamFile.OPAM.extended opam duniverse_dir duniverse_dirs_data with
|
|
| None -> Ok None
|
|
| Some Error e -> Error e
|
|
| Some Ok v -> Ok (Some v)
|
|
else
|
|
Error (`Msg "not a single root package found in opam switch export")
|
|
|
|
type duniverse_diff = {
|
|
name : string ;
|
|
urls : string * string option ;
|
|
hash : (OpamHash.kind * string option * string option) list ;
|
|
}
|
|
|
|
let pp_duniverse_diff ppf { name ; urls ; hash } =
|
|
let opt_hash = Option.value ~default:"NONE" in
|
|
Format.fprintf ppf "%s (%s%s) %s"
|
|
name
|
|
(fst urls)
|
|
(Option.fold ~none:"" ~some:(fun url -> "->" ^ url) (snd urls))
|
|
(String.concat ", " (List.map (fun (h, l, r) ->
|
|
OpamHash.string_of_kind h ^ " " ^ opt_hash l ^ "->" ^ opt_hash r) hash))
|
|
|
|
let pp_duniverse_dir ppf (dir, url) =
|
|
Format.fprintf ppf "%s (%s)" dir url
|
|
|
|
let duniverse_diff l r =
|
|
let l = Option.value l ~default:M.empty
|
|
and r = Option.value r ~default:M.empty
|
|
in
|
|
let keys_l_only = ref [] and keys_r_only = ref [] and diff = ref [] in
|
|
let equal_hashes l r =
|
|
(* l and r are lists of pairs, with the hash kind and its value *)
|
|
(* for a git remote, the hashes are empty lists *)
|
|
(match l with [] -> false | _ -> true) &&
|
|
(match r with [] -> false | _ -> true) &&
|
|
List.for_all (fun (h, v) ->
|
|
match List.assoc_opt h r with
|
|
| None -> false
|
|
| Some v' -> String.equal v v')
|
|
l &&
|
|
List.for_all (fun (h, v) ->
|
|
match List.assoc_opt h l with
|
|
| None -> false
|
|
| Some v' -> String.equal v v')
|
|
r
|
|
in
|
|
let _ =
|
|
M.merge (fun key l r ->
|
|
match l, r with
|
|
| None, Some _ -> keys_r_only := key :: !keys_r_only; None
|
|
| Some _, None -> keys_l_only := key :: !keys_l_only; None
|
|
| None, None -> None
|
|
| Some (_, l), Some (_, r) when equal_hashes l r -> None
|
|
| Some (url1, []), Some (url2, []) when String.equal url1 url2 -> None
|
|
| Some l, Some r -> diff := (key, l, r) :: !diff; None)
|
|
l r
|
|
in
|
|
let dir_only keys map =
|
|
let only =
|
|
M.filter (fun k _ -> List.mem k keys) map |> M.bindings
|
|
in
|
|
List.map (fun (key, (url, _)) -> key, url) only
|
|
in
|
|
let l_only = dir_only !keys_l_only l
|
|
and r_only = dir_only !keys_r_only r
|
|
and diff =
|
|
List.map (fun (name, (url_l, hashes_l), (url_r, hashes_r)) ->
|
|
let urls =
|
|
if String.equal url_l url_r then url_l, None else url_l, Some url_r
|
|
in
|
|
let hash =
|
|
List.fold_left (fun acc (h, v) ->
|
|
match List.assoc_opt h hashes_r with
|
|
| None -> (h, Some v, None) :: acc
|
|
| Some v' ->
|
|
if String.equal v v' then
|
|
acc
|
|
else
|
|
(h, Some v, Some v') :: acc)
|
|
[] hashes_l
|
|
in
|
|
let hash = List.fold_left (fun acc (h', v') ->
|
|
match List.assoc_opt h' hashes_l with
|
|
| None -> (h', None, Some v') :: acc
|
|
| Some _ -> acc)
|
|
hash hashes_r
|
|
in
|
|
{ name ; urls ; hash })
|
|
!diff
|
|
in
|
|
l_only, r_only, diff
|
|
|
|
type version_diff = {
|
|
name : OpamPackage.Name.t;
|
|
version_left : OpamPackage.Version.t;
|
|
version_right : OpamPackage.Version.t;
|
|
}
|
|
|
|
let pp_opampackage ppf p =
|
|
Format.fprintf ppf "%s" (OpamPackage.to_string p)
|
|
|
|
let pp_version_diff ppf { name; version_left; version_right } =
|
|
Format.fprintf ppf "%s.%s->%s"
|
|
(OpamPackage.Name.to_string name)
|
|
(OpamPackage.Version.to_string version_left)
|
|
(OpamPackage.Version.to_string version_right)
|
|
|
|
type opam_diff = {
|
|
pkg : OpamPackage.t ;
|
|
build : (OpamTypes.command list * OpamTypes.command list) option ;
|
|
install : (OpamTypes.command list * OpamTypes.command list) option ;
|
|
url : (OpamFile.URL.t option * OpamFile.URL.t option) option ;
|
|
otherwise_equal : bool ;
|
|
}
|
|
|
|
let commands_to_strings (l, r) =
|
|
let v a =
|
|
OpamPrinter.FullPos.value (OpamPp.print OpamFormat.V.command a)
|
|
in
|
|
List.map v l, List.map v r
|
|
|
|
let opt_url_to_string (l, r) =
|
|
let url_to_s = function
|
|
| None -> "" | Some u -> OpamFile.URL.write_to_string u
|
|
in
|
|
url_to_s l, url_to_s r
|
|
|
|
let pp_opam_diff ppf { pkg ; otherwise_equal ; _ } =
|
|
Format.fprintf ppf "%a%s"
|
|
pp_opampackage pkg
|
|
(if otherwise_equal then "" else " (and additional changes)")
|
|
|
|
let rec strip_common_prefix a b =
|
|
match a, b with
|
|
| hd::tl, hd'::tl' ->
|
|
if hd = hd' then
|
|
strip_common_prefix tl tl'
|
|
else
|
|
a, b
|
|
| a, b -> a, b
|
|
|
|
let detailed_opam_diff pkg l r =
|
|
let no_build_install_url p =
|
|
OpamFile.OPAM.with_url_opt None
|
|
(OpamFile.OPAM.with_install []
|
|
(OpamFile.OPAM.with_build [] p))
|
|
in
|
|
let otherwise_equal =
|
|
OpamFile.OPAM.effectively_equal
|
|
(no_build_install_url l) (no_build_install_url r)
|
|
and build =
|
|
if OpamFile.OPAM.build l = OpamFile.OPAM.build r then
|
|
None
|
|
else
|
|
Some (strip_common_prefix (OpamFile.OPAM.build l) (OpamFile.OPAM.build r))
|
|
and install =
|
|
if OpamFile.OPAM.install l = OpamFile.OPAM.install r then
|
|
None
|
|
else
|
|
Some (strip_common_prefix (OpamFile.OPAM.install l) (OpamFile.OPAM.install r))
|
|
and url =
|
|
if OpamFile.OPAM.url l = OpamFile.OPAM.url r then
|
|
None
|
|
else
|
|
Some (OpamFile.OPAM.url l, OpamFile.OPAM.url r)
|
|
in
|
|
{ pkg ; build ; install ; url ; otherwise_equal }
|
|
|
|
let detailed_opam_diffs left right pkgs =
|
|
OpamPackage.Set.fold (fun p acc ->
|
|
let find = OpamPackage.Name.Map.find p.name in
|
|
let opam_left = find left.OpamFile.SwitchExport.overlays
|
|
and opam_right = find right.OpamFile.SwitchExport.overlays in
|
|
(detailed_opam_diff p opam_left opam_right) :: acc)
|
|
pkgs []
|
|
|
|
let compare left right =
|
|
let packages_left = packages left and packages_right = packages right in
|
|
let module Set = OpamPackage.Set in
|
|
let equal_name p1 p2 = OpamPackage.Name.equal p1.OpamPackage.name p2.OpamPackage.name in
|
|
let diff l r =
|
|
Set.filter (fun p1 ->
|
|
not (Set.exists (equal_name p1) r))
|
|
l
|
|
in
|
|
let same_version = Set.inter packages_left packages_right in
|
|
let opam_diff =
|
|
Set.filter
|
|
(fun p ->
|
|
let find = OpamPackage.Name.Map.find p.name in
|
|
let opam_left = find left.overlays and opam_right = find right.overlays in
|
|
not (OpamFile.OPAM.effectively_equal opam_left opam_right))
|
|
same_version
|
|
and version_diff =
|
|
List.filter_map (fun p1 ->
|
|
match Set.find_opt (equal_name p1) packages_right with
|
|
| Some p2 ->
|
|
if OpamPackage.Version.equal p1.version p2.version
|
|
then None
|
|
else
|
|
Some { name = p1.OpamPackage.name;
|
|
version_left = p1.OpamPackage.version;
|
|
version_right = p2.OpamPackage.version }
|
|
| None ->
|
|
None)
|
|
(Set.elements packages_left)
|
|
and left_pkgs = diff packages_left packages_right
|
|
and right_pkgs = diff packages_right packages_left
|
|
in
|
|
let opam_diff = detailed_opam_diffs left right opam_diff in
|
|
let duniverse_ret =
|
|
match duniverse left, duniverse right with
|
|
| Ok l, Ok r -> Ok (duniverse_diff l r)
|
|
| Error _ as e, _ | _, (Error _ as e) -> e
|
|
in
|
|
(opam_diff, version_diff, left_pkgs, right_pkgs, duniverse_ret)
|