forked from ocaml/opam
/
client.ml
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/
client.ml
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(***********************************************************************)
(* *)
(* Copyright 2012 OCamlPro *)
(* Copyright 2012 INRIA *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Public License version 3.0. *)
(* *)
(* TypeRex is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *)
(* GNU General Public License for more details. *)
(* *)
(***********************************************************************)
open Types
open Utils
let log fmt =
Globals.log "CLIENT" fmt
open Solver
type t = {
(* ~/.opam/ *)
global: Path.G.t;
(* ~/.opam/$oversion/ *)
compiler: Path.C.t;
(* ~/.opam/repo/$repo/ *)
repositories: (repository * Path.R.t) list;
(* ~/.opam/opam/ files *)
available: NV.Set.t;
(* [available] but restricted to packages that are supported by the current version of the OCaml installed *)
available_current: NV.Set.t option;
(* WARNING
Instead of [option] we can put [NV.Set.t].
However, at the time of writing, the semantic will change and "make tests" will fail.
This is because [load_state] calls "ocaml -version" as side effect for example.
Note that putting [option] gives a quite optimized data structure now. *)
(* ~/.opam/aliases *)
aliases: (Alias.t * OCaml_V.t) list;
(* ~/.opam/$oversion/pinned *)
pinned: pin_option N.Map.t;
(* ~/.opam/$oversion/installed contents *)
installed: NV.Set.t;
(* ~/.opam/$oversion/reinstall contents *)
reinstall: NV.Set.t;
(* ~/.opam/config contents *)
config: File.Config.t;
(* ~/.opam/repo/index contents *)
repo_index: string N.Map.t;
}
let print_state t =
let string_of_repos r =
let s (r,p) =
Printf.sprintf "%s:%s"
(Repository.to_string r)
(Dirname.to_string (Path.R.root p)) in
String.concat ", " (List.map s r) in
let string_of_nmap m =
let s (n,r) = Printf.sprintf "%s:%s" (N.to_string n) r in
let l = N.Map.fold (fun n r l -> s (n,r)::l) m [] in
String.concat ", " l in
log "GLOBAL : %s" (Dirname.to_string (Path.G.root t.global));
log "COMPILER : %s" (Dirname.to_string (Path.C.root t.compiler));
log "REPO : %s" (string_of_repos t.repositories);
log "AVAILABLE : %s" (NV.Set.to_string t.available);
log "AVAILABLE_CURRENT : %s" (match t.available_current with None -> "<none>" | Some set -> NV.Set.to_string set);
log "INSTALLED : %s" (NV.Set.to_string t.installed);
log "REINSTALL : %s" (NV.Set.to_string t.reinstall);
log "REPO_INDEX: %s" (string_of_nmap t.repo_index)
let current_ocaml_version t =
let alias = File.Config.ocaml_version t.config in
let aliases = File.Aliases.read (Path.G.aliases t.global) in
List.assoc alias aliases
let confirm fmt =
Printf.kprintf (fun msg ->
Globals.msg "%s [Y/n] " msg;
if not !Globals.yes then
match read_line () with
| "y" | "Y"
| "" -> true
| _ -> false
else
true
) fmt
let update_available_current t =
{ t with available_current =
(* Remove the package which does not fullfil the compiler constraints *)
let ocaml_version =
if File.Config.ocaml_version t.config = Alias.of_string Globals.default_compiler_version then
let v =
match File.Config.last_ocaml_in_path t.config with
| None -> (*assert false*) Globals.error_and_exit "the OCaml version from config has been manually removed"
| Some v -> v in
let current = OCaml_V.current () in
(match current with
| None ->
if confirm "No OCaml compiler found in path. Continue ?" then
()
else
Globals.exit 66
| Some current ->
if v <> current then
if confirm "The current OCaml version %S is not the same as the first in config %S. Continue ?"
(OCaml_V.to_string current)
(OCaml_V.to_string v) then
()
else
Globals.exit 66);
v
else
current_ocaml_version t in
let filter nv =
let opam = File.OPAM.read (Path.G.opam t.global nv) in
let consistent_ocaml_version =
match File.OPAM.ocaml_version opam with
| None -> true
| Some (r,v) -> OCaml_V.compare ocaml_version r v in
let consistent_pinned_version =
not (N.Map.mem (NV.name nv) t.pinned) ||
match N.Map.find (NV.name nv) t.pinned with
| Version v -> v = NV.version nv
| _ -> true (* any version is fine, as this will be overloaded on install *) in
consistent_ocaml_version && consistent_pinned_version in
Some (NV.Set.filter filter t.available) }
let get_available_current t =
match t.available_current with
| None -> assert false
| Some v -> v
(* - Look into the content of ~/.opam/config to build the client
state
- Also perform the maximum checking of consistency possible *)
let load_state () =
log "root path is %s" !Globals.root_path;
let global = Path.G.create () in
let config = File.Config.read (Path.G.config global) in
let ocaml_version = File.Config.ocaml_version config in
let aliases = File.Aliases.safe_read (Path.G.aliases global) in
let compiler = Path.C.create ocaml_version in
let repositories = File.Config.repositories config in
let repositories = List.map (fun r -> r, Path.R.create r) repositories in
let repo_index =
let repo_index = File.Repo_index.safe_read (Path.G.repo_index global) in
let l_wrong =
List.filter (fun (_, repo) ->
List.for_all (fun (r, _) -> Repository.name r <> repo) repositories)
(N.Map.bindings repo_index) in
let () = List.iter
(fun (n, repo) ->
Globals.error "File %S: unbound repository %S associated to name %S"
(Filename.to_string (Path.G.repo_index global)) repo (N.to_string n))
l_wrong in
if l_wrong = [] then
repo_index
else
Globals.exit 66 in
let pinned = File.Pinned.safe_read (Path.C.pinned compiler) in
let installed = File.Installed.safe_read (Path.C.installed compiler) in
let reinstall = File.Reinstall.safe_read (Path.C.reinstall compiler) in
let available = Path.G.available global in
let available_current = None in
let t = {
global; compiler; repositories;
available; available_current; installed; reinstall;
repo_index; config; aliases; pinned;
} in
print_state t;
t
type main_function =
| Read_only of (unit -> unit)
| Write_lock of (unit -> unit)
let check f =
if Dirname.exists (Dirname.of_string !Globals.root_path) then
match f with
| Write_lock f -> Run.with_flock f
| Read_only f ->
let warn msg e = Globals.warning "%s: %s" msg (Printexc.to_string e) in
try f () with e ->
if
None = try Some (current_ocaml_version (load_state ())) with e -> let () = warn "check" e in None
then
let () = warn "main" e in
Globals.warning "initialization is not yet finished (or the state %s is inconsistent)" !Globals.root_path
(* NOTE it is feasible to determine here if initialization is finished or not *)
else
raise e
else
Globals.error_and_exit
"Cannot find %s. Have you run 'opam init first ?"
!Globals.root_path
let find_repository_path t name =
let _, r = List.find (fun (r,_) -> Repository.name r = name) t.repositories in
r
let mem_repository, find_repository =
let f name (r,_) = Repository.name r = name in
(fun t name -> List.exists (f name) t.repositories),
fun t name ->
let r, _ = List.find (f name) t.repositories in
r
let string_of_repositories t =
String.concat ", " (List.map (fun (r, _) -> Repository.name r) t.repositories)
let mem_installed_package_by_name t name =
not (NV.Set.is_empty (NV.Set.filter (fun nv -> NV.name nv = name) t.installed))
let find_installed_package_by_name t name =
try NV.Set.choose (NV.Set.filter (fun nv -> NV.name nv = name) t.installed)
with Not_found ->
Globals.error_and_exit "Package %s is not installed" (N.to_string name)
let find_available_package_by_name t name =
let s = NV.Set.filter (fun nv -> NV.name nv = name) (get_available_current t) in
if NV.Set.is_empty s then
None
else
Some s
let print_updated t updated pinned_updated =
if not (NV.Set.is_empty updated) && not (NV.Set.is_empty pinned_updated) then
Globals.msg "New packages available:\n";
NV.Set.iter (fun nv ->
Globals.msg " - %s%s\n"
(NV.to_string nv)
(if NV.Set.mem nv t.installed then " (*)" else "")
) updated;
NV.Set.iter (fun nv ->
Globals.msg " - %s(+)\n" (N.to_string (NV.name nv))
) pinned_updated
let print_compilers compilers repo =
let repo_compilers = Path.R.compiler_list repo in
let new_compilers = OCaml_V.Set.diff repo_compilers compilers in
if not (OCaml_V.Set.is_empty new_compilers) then
Globals.msg "New compiler descriptions available:\n";
OCaml_V.Set.iter (fun v ->
Globals.msg " - %s\n" (OCaml_V.to_string v)
) new_compilers
let install_conf_ocaml_config t =
let name = N.of_string Globals.default_package in
(* .config *)
let vars =
let map f l = List.map (fun (s,p) -> Variable.of_string s, S (f p)) l in
map Dirname.to_string
[
("prefix", Path.C.root t.compiler);
("lib", Path.C.lib_dir t.compiler);
("bin", Path.C.bin t.compiler);
("doc", Path.C.doc_dir t.compiler);
("stublibs", Path.C.stublibs t.compiler);
("toplevel", Path.C.toplevel t.compiler);
]
@
map (fun x -> x)
[
("user", (Unix.getpwuid (Unix.getuid ())).Unix.pw_name);
("group", (Unix.getgrgid (Unix.getgid ())).Unix.gr_name);
] in
let config = File.Dot_config.create vars in
File.Dot_config.write (Path.C.config t.compiler name) config
let install_conf_ocaml () =
log "installing conf-ocaml";
let t = load_state () in
let name = N.of_string Globals.default_package in
let version = V.of_string (Alias.to_string (File.Config.ocaml_version t.config)) in
let nv = NV.create name version in
(* .opam *)
let opam = File.OPAM.create nv in
File.OPAM.write (Path.G.opam t.global nv) opam;
(* description *)
let descr = File.Descr.create "Compiler configuration flags" in
File.Descr.write (Path.G.descr t.global nv) descr;
install_conf_ocaml_config t;
(* installed *)
let installed_p = Path.C.installed t.compiler in
let installed = File.Installed.safe_read installed_p in
let installed = NV.Set.add nv installed in
File.Installed.write installed_p installed;
(* stublibs *)
let stublibs = Path.C.stublibs t.compiler in
Dirname.mkdir stublibs;
(* toplevel dir *)
let toplevel = Path.C.toplevel t.compiler in
Dirname.mkdir toplevel
let update_repo_index t =
(* If there are new packages, assign them to some repository *)
let repo_index =
List.fold_left (fun repo_index (r,p) ->
let available = Path.R.available p in
log "repo=%s packages=%s" (Repository.name r) (NV.Set.to_string available);
NV.Set.fold (fun nv repo_index ->
let name = NV.name nv in
if not (N.Map.mem name repo_index) then
N.Map.add name (Repository.name r) repo_index
else
repo_index
) available repo_index
) t.repo_index t.repositories in
File.Repo_index.write (Path.G.repo_index t.global) repo_index;
(* suppress previous links *)
Dirname.rmdir (Path.G.opam_dir t.global);
Dirname.mkdir (Path.G.opam_dir t.global);
Dirname.rmdir (Path.G.descr_dir t.global);
Dirname.mkdir (Path.G.descr_dir t.global);
install_conf_ocaml ();
(* Create symbolic links from $repo dirs to main dir *)
N.Map.iter (fun n r ->
let repo_p = find_repository_path t r in
let available_versions = Path.R.available_versions repo_p n in
V.Set.iter (fun v ->
let nv = NV.create n v in
let opam_dir = Path.G.opam_dir t.global in
let opam_f = Path.R.opam repo_p nv in
let descr_dir = Path.G.descr_dir t.global in
let descr = Path.R.descr repo_p nv in
Filename.link_in opam_f opam_dir;
if Filename.exists descr then
Filename.link_in descr descr_dir
else
Globals.msg "WARNING: %s does not exist\n" (Filename.to_string descr)
) available_versions;
) repo_index
let update_repo () =
log "update_repo";
let t = load_state () in
let compilers = Path.G.compiler_list t.global in
(* first update all the repo *)
List.iter (fun (r,_) -> Repositories.update r) t.repositories;
(* Display the new compilers available *)
List.iter (fun (_, r) -> print_compilers compilers r) t.repositories;
(* XXX: we could have a special index for compiler descriptions as
well, but that's become a bit too heavy *)
List.iter (fun (r,p) ->
let comps = Path.R.compiler_list p in
let comp_dir = Path.G.compiler_dir t.global in
OCaml_V.Set.iter (fun o ->
let comp_f = Path.R.compiler p o in
Filename.link_in comp_f comp_dir
) comps
) t.repositories
let update_package () =
log "update_package";
let t = load_state () in
(* Update the pinned packages *)
let pinned_updated =
NV.Set.of_list (
Utils.filter_map
(function
| n, Path p ->
if mem_installed_package_by_name t n then
let nv = find_installed_package_by_name t n in
let build = Path.C.build t.compiler nv in
if Dirname.exists build then
let o =
Run.read_command_output
[ "rsync"; "-arv"; "--delete"; Dirname.to_string p; Dirname.to_string build ] in
if List.length o > 4 then
Some nv
else
None
else
None
else
None
| _ -> None)
(N.Map.bindings t.pinned)) in
(* then update $opam/repo/index *)
update_repo_index t;
let updated =
List.fold_left (fun accu (_,p) ->
let updated = File.Updated.safe_read (Path.R.updated p) in
(* we do not try to upgrade pinned packages *)
let updated =
NV.Set.filter (fun nv -> NV.Set.for_all (fun nvp -> NV.name nvp = NV.name nv) pinned_updated) updated in
NV.Set.union updated accu;
) NV.Set.empty t.repositories in
print_updated t updated pinned_updated;
let updated = NV.Set.union pinned_updated updated in
(* update $opam/$oversion/reinstall *)
Path.G.fold_compiler (fun () compiler ->
let installed = File.Installed.safe_read (Path.C.installed compiler) in
let reinstall = File.Reinstall.safe_read (Path.C.reinstall compiler) in
let reinstall =
NV.Set.fold (fun nv reinstall ->
if NV.Set.mem nv installed then
NV.Set.add nv reinstall
else
reinstall
) updated reinstall in
if not (NV.Set.is_empty reinstall) then
File.Reinstall.write (Path.C.reinstall compiler) reinstall
) () t.global;
(* Check all the dependencies exist *)
let t = update_available_current (load_state ()) in
let has_error = ref false in
NV.Set.iter (fun nv ->
let opam = File.OPAM.read (Path.G.opam t.global nv) in
let name = File.OPAM.name opam in
let version = File.OPAM.version opam in
if nv <> NV.create name version then
(Globals.error
"The file %s is not consistent with the package %s (%s)"
(Filename.to_string (Path.G.opam t.global nv))
(N.to_string name)
(V.to_string version);
has_error := true);
let depends = File.OPAM.depends opam in
let depopts = File.OPAM.depopts opam in
List.iter (List.iter (fun ((d,_),_) ->
match find_available_package_by_name t (N.of_string d) with
| None ->
let _ = Globals.error
"Package %s depends on the unknown package %s"
(N.to_string (NV.name nv)) d in
has_error := true
| Some _ -> ()
)) (depends @ depopts)
) (get_available_current t);
if !has_error then
Globals.exit 66
let update () =
log "update";
update_repo ();
update_package ()
(* Return the contents of a fully qualified variable *)
let contents_of_variable t v =
let name = Full_variable.package v in
let var = Full_variable.variable v in
let installed = mem_installed_package_by_name t name in
if var = Variable.enable && installed then
S "enable"
else if var = Variable.enable && not installed then
S "disable"
else if var = Variable.installed then
B installed
else if not installed then
Globals.error_and_exit "Package %s is not installed" (N.to_string name)
else begin
let c = File.Dot_config.safe_read (Path.C.config t.compiler name) in
try match Full_variable.section v with
| None -> File.Dot_config.variable c var
| Some s -> File.Dot_config.Section.variable c s var
with Not_found ->
Globals.error_and_exit "%s is not defined" (Full_variable.to_string v)
end
(* Substitute the file contents *)
let substitute_file t f =
let f = Filename.of_basename f in
let src = Filename.add_extension f "in" in
let contents = File.Subst.read src in
let newcontents = File.Subst.replace contents (contents_of_variable t) in
File.Subst.write f newcontents
(* Substitue the string contents *)
let substitute_string t s =
File.Subst.replace_string s (contents_of_variable t)
let base_packages = [ "base-unix"; "base-bigarray"; "base-threads" ]
let create_default_compiler_description t =
let ocaml_version = OCaml_V.of_string Globals.default_compiler_version in
let mk name = ((name,None),None) in
let f =
File.Comp.create_preinstalled
ocaml_version
(List.map mk (if !Globals.base_packages then base_packages else []))
[ ("CAML_LD_LIBRARY_PATH", "=",
(Dirname.to_string (Path.C.stublibs t.compiler))
^ ":" ^
(match Run.ocamlc_where () with
| Some d -> Stdlib_filename.concat d "stublibs"
| None -> assert false))
] in
let comp = Path.G.compiler t.global ocaml_version in
File.Comp.write comp f
let add_alias alias ocaml_version =
log "adding alias %s %s" (Alias.to_string alias) (OCaml_V.to_string ocaml_version);
let t = load_state () in
if ocaml_version = OCaml_V.of_string Globals.default_compiler_version then
(* we create a dummy compiler description file the the system-wide
OCaml configuration *)
create_default_compiler_description t;
let aliases_f = Path.G.aliases t.global in
let aliases = File.Aliases.safe_read aliases_f in
if not (List.mem_assoc alias aliases) then begin
(* Install the initial package and reload the global state *)
install_conf_ocaml ();
(* Update the list of aliases *)
File.Aliases.write aliases_f ((alias, ocaml_version) :: aliases);
end
(* We assume that we have the right ocaml-version in $opam/config. Then we:
- create $opam/$alias
- compiles and install $opam/compiler/$descr.comp *)
let init_ocaml f_exists alias (default_allowed, ocaml_version) =
log "init_ocaml";
let t = load_state () in
let default = OCaml_V.of_string Globals.default_compiler_version in
let last_ocaml, ocaml_version =
let current () =
match OCaml_V.current () with
| None -> Globals.error_and_exit "No OCaml compiler found in path"
| Some last_ocaml -> Some last_ocaml, default in
match ocaml_version with
| None -> current ()
| Some ocaml_version when default_allowed && ocaml_version = default -> current ()
| Some ocaml_version ->
let comp_f = Path.G.compiler t.global ocaml_version in
if not default_allowed && ocaml_version = default || not (Filename.exists comp_f) then
begin
Globals.msg
" %S is not a valid compiler description%s. The available compilers descriptions are:\n"
(OCaml_V.to_string ocaml_version)
(if ocaml_version = default then " (because it is a reserved name)" else "");
OCaml_V.Set.iter
(fun v -> Globals.msg " - %s\n" (OCaml_V.to_string v))
(Path.G.compiler_list t.global);
Globals.exit 2
end
else
None, ocaml_version in
let alias =
match alias with
| None -> Alias.of_string (OCaml_V.to_string ocaml_version)
| Some alias -> alias in
log "init_ocaml (alias=%s, ocaml_version=%s)" (Alias.to_string alias) (OCaml_V.to_string ocaml_version);
let alias_p = Path.C.create alias in
let alias_p_dir = Path.C.root alias_p in
if Dirname.exists alias_p_dir then
f_exists alias_p_dir
else
begin
Dirname.mkdir alias_p_dir;
(if ocaml_version <> default then
try
let comp_f = Path.G.compiler t.global ocaml_version in
let comp = File.Comp.read comp_f in
if not (File.Comp.preinstalled comp) then begin
(* Install the compiler *)
let comp_src = File.Comp.src comp in
let build_dir = Path.C.build_ocaml alias_p in
Run.download comp_src (Dirname.to_string build_dir);
let patches = File.Comp.patches comp in
List.iter (fun f -> Run.download f (Dirname.to_string build_dir)) patches;
Run.in_dir
(Dirname.to_string build_dir)
(fun () ->
let patches = List.map Stdlib_filename.basename patches in
List.iter Run.patch patches);
let err =
let t =
{ t with
compiler = alias_p;
installed =
let name = N.of_string Globals.default_package in
let version = V.of_string (Alias.to_string alias) in
let nv = NV.create name version in
NV.Set.add nv NV.Set.empty } in
install_conf_ocaml_config t;
if File.Comp.configure comp @ File.Comp.make comp <> [] then
Dirname.exec build_dir
[ ( "./configure" :: File.Comp.configure comp )
@ [ "-prefix"; Dirname.to_string alias_p_dir ]
(*-bindir %s/bin -libdir %s/lib -mandir %s/man*)
(* NOTE In case it exists 2 '-prefix', in general the script
./configure will only consider the last one, others will be
discarded. *)
; ( "make" :: File.Comp.make comp )
; [ "make" ; "install" ]
]
else
let builds =
List.map (List.map (substitute_string t)) (File.Comp.build comp) in
Dirname.exec build_dir builds
in
if err <> 0 then
Globals.error_and_exit
"The compilation of compiler version %s failed"
(OCaml_V.to_string ocaml_version)
end
with e ->
if not !Globals.debug then
Dirname.rmdir alias_p_dir;
raise e);
end;
(* write the new version in the configuration file *)
let config = File.Config.with_ocaml_version t.config alias in
let config = File.Config.with_last_ocaml_in_path config last_ocaml in
File.Config.write (Path.G.config t.global) config;
add_alias alias ocaml_version;
ocaml_version
let indent_left s nb =
let nb = nb - String.length s in
if nb <= 0 then
s
else
s ^ String.make nb ' '
let indent_right s nb =
let nb = nb - String.length s in
if nb <= 0 then
s
else
String.make nb ' ' ^ s
let s_not_installed = "--"
let list print_short =
log "list";
let t = load_state () in
(* Get all the installed packages *)
let installed = File.Installed.read (Path.C.installed t.compiler) in
let map, max_n, max_v =
NV.Set.fold
(fun nv (map, max_n, max_v) ->
let name = NV.name nv in
let version = NV.version nv in
if
N.Map.mem name map (* If the packet has been processed yet *)
&&
fst (N.Map.find name map) <> None
(* If moreover the version processed was the version that is installed.
NB at the time of writing there is at most only 1 [version]
installed for a given [name]. *)
then
map, max_n, max_v
else
let is_installed = NV.Set.mem nv installed in
let descr_f = File.Descr.safe_read (Path.G.descr t.global nv) in
let synopsis = File.Descr.synopsis descr_f in
let map = N.Map.add name ((if is_installed then Some version else None), synopsis) map in
let max_n = max max_n (String.length (N.to_string name)) in
let max_v = if is_installed then max max_v (String.length (V.to_string version)) else max_v in
map, max_n, max_v)
t.available
(N.Map.empty, min_int, String.length s_not_installed)
in
N.Map.iter (
if print_short then
fun name _ -> Globals.msg "%s " (N.to_string name)
else
fun name (version, description) ->
let version = match version with
| None -> s_not_installed
| Some v -> V.to_string v in
Globals.msg "%s %s %s\n"
(indent_left (N.to_string name) max_n)
(indent_right version max_v)
description) map
let info package =
log "info %s" (N.to_string package);
let t = load_state () in
let o_v =
let installed = File.Installed.read (Path.C.installed t.compiler) in
try Some (V.Set.choose_one (N.Map.find package (NV.to_map installed)))
with Not_found -> None in
let v_set =
let v_set =
try Path.G.available_versions t.global package
with Not_found ->
Globals.error_and_exit "unknown package %s" (N.to_string package) in
match o_v with
| None -> v_set
| Some v -> V.Set.remove v v_set in
let installed_version = match o_v with
| None -> []
| Some v -> [ "installed-version", V.to_string v ] in
let available_versions =
match List.map V.to_string (V.Set.elements v_set) with
| [] -> []
| [v] -> [ "available-version" , v ]
| l -> [ "available-versions", String.concat ", " l ] in
let libraries, syntax = match o_v with
| None -> [], []
| Some v ->
let opam = File.OPAM.read (Path.G.opam t.global (NV.create package v)) in
let libraries = match File.OPAM.libraries opam with
| [] -> []
| l -> [ "libraries", String.concat ", " (List.map Section.to_string l) ] in
let syntax = match File.OPAM.syntax opam with
| [] -> []
| l -> [ "syntax", String.concat ", " (List.map Section.to_string l) ] in
libraries, syntax in
List.iter
(fun (tit, desc) -> Globals.msg "%20s: %s\n" tit desc)
( [ "package", N.to_string package ]
@ installed_version
@ available_versions
@ libraries
@ syntax
@ let latest = match o_v with
| Some v -> Some v
| None ->
try Some (V.Set.max_elt v_set)
with Not_found -> None in
let descr =
match latest with
| None -> File.Descr.empty
| Some v ->
File.Descr.safe_read (Path.G.descr t.global (NV.create package v)) in
[ "description", File.Descr.full descr ]
)
let proceed_toinstall t nv =
Globals.msg "Installing %s ...\n" (NV.to_string nv);
let t = load_state () in
let name = NV.name nv in
let opam_f = Path.G.opam t.global nv in
let opam = File.OPAM.read opam_f in
let config_f = Path.C.build_config t.compiler nv in
let config = File.Dot_config.safe_read config_f in
let install_f = Path.C.build_install t.compiler nv in
let install = File.Dot_install.safe_read install_f in
Dirname.chdir (Path.C.build t.compiler nv);
(* check that libraries and syntax extensions specified in .opam and
.config are in sync *)
let check kind config_sections opam_sections =
List.iter (fun cs ->
if not (List.mem cs opam_sections) then
Globals.error_and_exit "The %s %s does not appear in %s"
kind (Section.to_string cs) (Filename.to_string opam_f)
) config_sections;
List.iter (fun os ->
if not (List.mem os config_sections) then
Globals.error_and_exit "The %s %s does not appear in %s"
kind (Section.to_string os) (Filename.to_string config_f)
) opam_sections in
if not (Filename.exists config_f) &&
(File.OPAM.libraries opam <> [] || File.OPAM.syntax opam <> []) then
Globals.error_and_exit
"%s does not exists but %s defines some libraries and syntax extensions"
(Filename.to_string config_f)
(Filename.to_string opam_f);
check "library"
(File.Dot_config.Library.available config)
(File.OPAM.libraries opam);
check "syntax"
(File.Dot_config.Syntax.available config)
(File.OPAM.syntax opam);
(* check that depends (in .opam) and requires (in .config) fields
are in almost in sync *)
(* NOTES: the check is partial as we don't know which clause is valid
in depends (XXX there is surely a way to get it from the solver) *)
let local_sections = File.Dot_config.Section.available config in
let libraries_in_opam =
List.fold_left (fun accu l ->
List.fold_left (fun accu ((n,_),_) ->
let n = N.of_string n in
let nv = find_installed_package_by_name t n in
let opam = File.OPAM.read (Path.G.opam t.global nv) in
let libs = File.OPAM.libraries opam in
let syntax = File.OPAM.syntax opam in
List.fold_right Section.Set.add (libs @ syntax) accu
) accu l
) Section.Set.empty (File.OPAM.depends opam) in
let libraries_in_config =
List.fold_left (fun accu s ->
List.fold_left (fun accu r ->
Section.Set.add r accu
) accu (File.Dot_config.Section.requires config s)
) Section.Set.empty local_sections in
Section.Set.iter (fun s ->
if not (List.mem s local_sections)
&& not (Section.Set.mem s libraries_in_opam) then
let config_f = Filename.to_string (Path.C.build_config t.compiler nv) in
let opam_f = Filename.to_string (Path.G.opam t.global nv) in
let local_sections = List.map Section.to_string local_sections in
let opam_sections = List.map Section.to_string (Section.Set.elements libraries_in_opam) in
Globals.error_and_exit
"%s appears as a library dependency in %s, but:\n\
- %s defines the libraries {%s}\n\
- Packages in %s defines the libraries {%s}"
(Section.to_string s) config_f
config_f (String.concat ", " local_sections)
opam_f (String.concat ", " opam_sections)
) libraries_in_config;
(* .install *)
File.Dot_install.write (Path.C.install t.compiler name) install;
(* .config *)
File.Dot_config.write (Path.C.config t.compiler name) config;
(* lib *)
let lib = Path.C.lib t.compiler name in
List.iter (fun f -> Filename.copy_in f lib) (File.Dot_install.lib install);
(* toplevel *)
let toplevel = Path.C.toplevel t.compiler in
List.iter (fun f -> Filename.copy_in f toplevel) (File.Dot_install.toplevel install);
(* bin *)
List.iter (fun (src, dst) ->
let dst = Path.C.bin t.compiler // (Basename.to_string dst) in
Filename.copy src dst
) (File.Dot_install.bin install);
(* misc *)
List.iter
(fun (src, dst) ->
if Filename.exists dst && confirm "Overwriting %s ?" (Filename.to_string dst) then
Filename.copy src dst
else begin
Globals.msg "Installing %s to %s.\n" (Filename.to_string src) (Filename.to_string dst);
if confirm "Continue ?" then
Filename.copy src dst
end
) (File.Dot_install.misc install)
let proceed_todelete t nv =
log "deleting %s" (NV.to_string nv);
let name = NV.name nv in
(* Run the remove script *)
let opam = File.OPAM.read (Path.G.opam t.global nv) in
let remove = List.map (List.map (substitute_string t)) (File.OPAM.remove opam) in
let root_remove =
let p_build = Path.C.build t.compiler nv in
if Dirname.exists p_build then
p_build
else
let () = Globals.warning "the folder '%s' does not exist anymore" (Dirname.to_string p_build) in
Path.G.root t.global in
(* We try to run the remove scripts in the folder where it was extracted
If it does not exist, we don't really care. *)
let err = Dirname.exec ~add_to_path:[Path.C.bin t.compiler] root_remove remove in
if err <> 0 then
Globals.error_and_exit "Cannot uninstall %s" (NV.to_string nv);
(* Remove the libraries *)
Dirname.rmdir (Path.C.lib t.compiler name);
Dirname.rmdir (Path.C.build t.compiler nv);
(* Remove the binaries *)
let install = File.Dot_install.safe_read (Path.C.install t.compiler name) in
List.iter (fun (_,dst) ->
let dst = Path.C.bin t.compiler // (Basename.to_string dst) in
Filename.remove dst
) (File.Dot_install.bin install);
(* Remove the misc files *)
List.iter (fun (_,dst) ->
if Filename.exists dst then begin
Globals.msg "Removing %s." (Filename.to_string dst);
if confirm "Continue ?" then
Filename.remove dst
end
) (File.Dot_install.misc install);
(* Remove .config and .install *)
Filename.remove (Path.C.install t.compiler name);
Filename.remove (Path.C.config t.compiler name)
let get_archive t nv =
log "get_archive %s" (NV.to_string nv);
let name = NV.name nv in
let repo = N.Map.find name t.repo_index in
let repo_p = find_repository_path t repo in
let repo = find_repository t repo in
Repositories.download repo nv;
let src = Path.R.archive repo_p nv in
let dst = Path.G.archive t.global nv in
Filename.link src dst;
dst
type env = {
add_to_env : (string * string) list;
add_to_path: dirname;
new_env : (string * string) list;
}
let expand_env t env =
List.map (fun (ident, symbol, string) ->
let string = substitute_string t string in
let read_env () =
let prefix = Dirname.to_string (Path.G.root t.global) in
try Utils.reset_env_value ~prefix (Sys.getenv ident)
with _ -> [] in
match symbol with
| "=" -> (ident, string)
| "+=" -> (ident, String.concat ":" (string :: read_env ()))
| "=+" -> (ident, String.concat ":" (read_env () @ [string]))
| _ -> failwith (Printf.sprintf "expand_env: %s is an unknown symbol" symbol)
) env
let update_env t env e =
let expanded = expand_env t e in
{ env with
add_to_env = expanded @ env.add_to_env;
new_env = expanded @ env.new_env }
let get_env t =
let ocaml_version = current_ocaml_version t in
let comp_f = Path.G.compiler t.global ocaml_version in
let comp = File.Comp.read comp_f in
let add_to_path = Path.C.bin t.compiler in
let new_path = "PATH", "+=", Dirname.to_string add_to_path in
let add_to_env = File.Comp.env comp in
let toplevel_dir =
"OCAML_TOPLEVEL_PATH", "=", Dirname.to_string (Path.C.toplevel t.compiler) in
let new_env = new_path :: toplevel_dir :: add_to_env in
let add_to_env = expand_env t add_to_env in
let new_env = expand_env t new_env in
{ add_to_env; add_to_path; new_env }
let print_env env =
List.iter (fun (k,v) ->
Globals.msg "%s=%s; export %s;\n" k v k;
) env.new_env
let pinned_path t nv =
let name = NV.name nv in
if N.Map.mem name t.pinned then
match N.Map.find name t.pinned with
| Path p -> Some p
| _ -> None
else
None
let rec proceed_tochange t nv_old nv =
(* First, uninstall any previous version *)
(match nv_old with
| Some nv_old -> proceed_todelete t nv_old
| None -> ());
(* Then, untar the archive *)
let p_build = Path.C.build t.compiler nv in
Dirname.rmdir p_build;
(match pinned_path t nv with
| None -> Filename.extract (get_archive t nv) p_build
| Some p ->