This file is indexed.

/usr/lib/ocaml/oasis/InternalInstallPlugin.ml is in liboasis-ocaml-dev 0.4.5-1build3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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(******************************************************************************)
(* OASIS: architecture for building OCaml libraries and applications          *)
(*                                                                            *)
(* Copyright (C) 2011-2013, Sylvain Le Gall                                   *)
(* Copyright (C) 2008-2011, OCamlCore SARL                                    *)
(*                                                                            *)
(* This library is free software; you can redistribute it and/or modify it    *)
(* under the terms of the GNU Lesser General Public License as published by   *)
(* the Free Software Foundation; either version 2.1 of the License, or (at    *)
(* your option) any later version, with the OCaml static compilation          *)
(* exception.                                                                 *)
(*                                                                            *)
(* This library 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 file COPYING for more         *)
(* details.                                                                   *)
(*                                                                            *)
(* You should have received a copy of the GNU Lesser General Public License   *)
(* along with this library; if not, write to the Free Software Foundation,    *)
(* Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA              *)
(******************************************************************************)


(** Install using internal scheme
    @author Sylvain Le Gall
  *)


open BaseEnv
open BaseStandardVar
open BaseMessage
open OASISTypes
open OASISFindlib
open OASISGettext
open OASISUtils


let exec_hook =
  ref (fun (cs, bs, exec) -> cs, bs, exec)


let lib_hook =
  ref (fun (cs, bs, lib) -> cs, bs, lib, [])


let obj_hook =
  ref (fun (cs, bs, obj) -> cs, bs, obj, [])


let doc_hook =
  ref (fun (cs, doc) -> cs, doc)


let install_file_ev =
  "install-file"


let install_dir_ev =
  "install-dir"


let install_findlib_ev =
  "install-findlib"


let win32_max_command_line_length = 8000


let split_install_command ocamlfind findlib_name meta files =
  if Sys.os_type = "Win32" then
    (* Arguments for the first command: *)
    let first_args = ["install"; findlib_name; meta] in
    (* Arguments for remaining commands: *)
    let other_args = ["install"; findlib_name; "-add"] in
    (* Extract as much files as possible from [files], [len] is
       the current command line length: *)
    let rec get_files len acc files =
      match files with
        | [] ->
            (List.rev acc, [])
        | file :: rest ->
            let len = len + 1 + String.length file in
            if len > win32_max_command_line_length then
              (List.rev acc, files)
            else
              get_files len (file :: acc) rest
    in
    (* Split the command into several commands. *)
    let rec split args files =
      match files with
        | [] ->
            []
        | _ ->
            (* Length of "ocamlfind install <lib> [META|-add]" *)
            let len =
              List.fold_left
                (fun len arg ->
                   len + 1 (* for the space *) + String.length arg)
                (String.length ocamlfind)
                args
            in
            match get_files len [] files with
              | ([], _) ->
                  failwith (s_ "Command line too long.")
              | (firsts, others) ->
                  let cmd = args @ firsts in
                  (* Use -add for remaining commands: *)
                  let () =
                    let findlib_ge_132 =
                      OASISVersion.comparator_apply
                        (OASISVersion.version_of_string
                           (BaseStandardVar.findlib_version ()))
                        (OASISVersion.VGreaterEqual
                           (OASISVersion.version_of_string "1.3.2"))
                    in
                      if not findlib_ge_132 then
                        failwithf
                          (f_ "Installing the library %s require to use the \
                               flag '-add' of ocamlfind because the command \
                               line is too long. This flag is only available \
                               for findlib 1.3.2. Please upgrade findlib from \
                               %s to 1.3.2")
                          findlib_name (BaseStandardVar.findlib_version ())
                  in
                  let cmds = split other_args others in
                  cmd :: cmds
    in
    (* The first command does not use -add: *)
    split first_args files
  else
    ["install" :: findlib_name :: meta :: files]


let install pkg argv =

  let in_destdir =
    try
      let destdir =
        destdir ()
      in
        (* Practically speaking destdir is prepended
         * at the beginning of the target filename
         *)
        fun fn -> destdir^fn
    with PropList.Not_set _ ->
      fun fn -> fn
  in

  let install_file ?tgt_fn src_file envdir =
    let tgt_dir =
      in_destdir (envdir ())
    in
    let tgt_file =
      Filename.concat
        tgt_dir
        (match tgt_fn with
           | Some fn ->
               fn
           | None ->
               Filename.basename src_file)
    in
      (* Create target directory if needed *)
      OASISFileUtil.mkdir_parent
        ~ctxt:!BaseContext.default
        (fun dn ->
           info (f_ "Creating directory '%s'") dn;
           BaseLog.register install_dir_ev dn)
        tgt_dir;

      (* Really install files *)
      info (f_ "Copying file '%s' to '%s'") src_file tgt_file;
      OASISFileUtil.cp ~ctxt:!BaseContext.default src_file tgt_file;
      BaseLog.register install_file_ev tgt_file
  in

  (* Install data into defined directory *)
  let install_data srcdir lst tgtdir =
    let tgtdir =
      OASISHostPath.of_unix (var_expand tgtdir)
    in
      List.iter
        (fun (src, tgt_opt) ->
           let real_srcs =
             OASISFileUtil.glob
               ~ctxt:!BaseContext.default
               (Filename.concat srcdir src)
           in
             if real_srcs = [] then
               failwithf
                 (f_ "Wildcard '%s' doesn't match any files")
                 src;
             List.iter
               (fun fn ->
                  install_file
                    fn
                    (fun () ->
                       match tgt_opt with
                         | Some s ->
                             OASISHostPath.of_unix (var_expand s)
                         | None ->
                             tgtdir))
               real_srcs)
        lst
  in

  let make_fnames modul sufx =
    List.fold_right
      begin fun sufx accu ->
        (String.capitalize modul ^ sufx) ::
        (String.uncapitalize modul ^ sufx) ::
        accu
      end
      sufx
      []
  in

  (** Install all libraries *)
  let install_libs pkg =

    let files_of_library (f_data, acc) data_lib =
      let cs, bs, lib, lib_extra =
        !lib_hook data_lib
      in
        if var_choose bs.bs_install &&
           BaseBuilt.is_built BaseBuilt.BLib cs.cs_name then
          begin
            let acc =
              (* Start with acc + lib_extra *)
              List.rev_append lib_extra acc
            in
            let acc =
              (* Add uncompiled header from the source tree *)
              let path =
                OASISHostPath.of_unix bs.bs_path
              in
                List.fold_left
                  begin fun acc modul ->
                    begin
                      try
                        [List.find
                          OASISFileUtil.file_exists_case
                          (List.map
                             (Filename.concat path)
                             (make_fnames modul [".mli"; ".ml"]))]
                      with Not_found ->
                        warning
                          (f_ "Cannot find source header for module %s \
                               in library %s")
                          modul cs.cs_name;
                        []
                    end
                    @
                    List.filter
                      OASISFileUtil.file_exists_case
                      (List.map
                         (Filename.concat path)
                         (make_fnames modul [".annot";".cmti";".cmt"]))
                    @ acc
                  end
                  acc
                  lib.lib_modules
            in

            let acc =
             (* Get generated files *)
             BaseBuilt.fold
               BaseBuilt.BLib
               cs.cs_name
               (fun acc fn -> fn :: acc)
               acc
            in

            let f_data () =
              (* Install data associated with the library *)
              install_data
                bs.bs_path
                bs.bs_data_files
                (Filename.concat
                   (datarootdir ())
                   pkg.name);
              f_data ()
            in

              (f_data, acc)
          end
         else
          begin
            (f_data, acc)
          end
    and files_of_object (f_data, acc) data_obj =
      let cs, bs, obj, obj_extra =
        !obj_hook data_obj
      in
        if var_choose bs.bs_install &&
           BaseBuilt.is_built BaseBuilt.BObj cs.cs_name then
          begin
            let acc =
              (* Start with acc + obj_extra *)
              List.rev_append obj_extra acc
            in
            let acc =
              (* Add uncompiled header from the source tree *)
              let path =
                OASISHostPath.of_unix bs.bs_path
              in
                List.fold_left
                  begin fun acc modul ->
                    begin
                      try
                        [List.find
                           OASISFileUtil.file_exists_case
                           (List.map
                              (Filename.concat path)
                              (make_fnames modul [".mli"; ".ml"]))]
                      with Not_found ->
                        warning
                          (f_ "Cannot find source header for module %s \
                               in object %s")
                          modul cs.cs_name;
                        []
                    end
                    @
                    List.filter
                      OASISFileUtil.file_exists_case
                      (List.map
                         (Filename.concat path)
                         (make_fnames modul [".annot";".cmti";".cmt"]))
                    @ acc
                  end
                  acc
                  obj.obj_modules
            in

            let acc =
             (* Get generated files *)
             BaseBuilt.fold
               BaseBuilt.BObj
               cs.cs_name
               (fun acc fn -> fn :: acc)
               acc
            in

            let f_data () =
              (* Install data associated with the object *)
              install_data
                bs.bs_path
                bs.bs_data_files
                (Filename.concat
                   (datarootdir ())
                   pkg.name);
              f_data ()
            in

              (f_data, acc)
          end
         else
          begin
            (f_data, acc)
          end

    in

    (* Install one group of library *)
    let install_group_lib grp =
      (* Iterate through all group nodes *)
      let rec install_group_lib_aux data_and_files grp =
        let data_and_files, children =
          match grp with
            | Container (_, children) ->
                data_and_files, children
            | Package (_, cs, bs, `Library lib, children) ->
                files_of_library data_and_files (cs, bs, lib), children
            | Package (_, cs, bs, `Object obj, children) ->
                files_of_object data_and_files (cs, bs, obj), children
        in
          List.fold_left
            install_group_lib_aux
            data_and_files
            children
      in

      (* Findlib name of the root library *)
      let findlib_name =
        findlib_of_group grp
      in

      (* Determine root library *)
      let root_lib =
        root_of_group grp
      in

      (* All files to install for this library *)
      let f_data, files =
        install_group_lib_aux (ignore, []) grp
      in

        (* Really install, if there is something to install *)
        if files = [] then
          begin
            warning
              (f_ "Nothing to install for findlib library '%s'")
              findlib_name
          end
        else
          begin
            let meta =
              (* Search META file *)
              let _, bs, _ =
                root_lib
              in
              let res =
                Filename.concat bs.bs_path "META"
              in
                if not (OASISFileUtil.file_exists_case res) then
                  failwithf
                    (f_ "Cannot find file '%s' for findlib library %s")
                    res
                    findlib_name;
                res
            in
            let files =
              (* Make filename shorter to avoid hitting command max line length
               * too early, esp. on Windows.
               *)
              let remove_prefix p n =
                let plen = String.length p in
                let nlen = String.length n in
                  if plen <= nlen && String.sub n 0 plen = p then
                    begin
                      let fn_sep =
                        if Sys.os_type = "Win32" then
                          '\\'
                        else
                          '/'
                      in
                      let cutpoint = plen +
                        (if plen < nlen && n.[plen] = fn_sep then
                           1
                         else
                           0)
                      in
                        String.sub n cutpoint (nlen - cutpoint)
                    end
                  else
                    n
              in
                List.map (remove_prefix (Sys.getcwd ())) files
            in
              info
                (f_ "Installing findlib library '%s'")
                findlib_name;
              let ocamlfind = ocamlfind () in
              let commands =
                split_install_command
                  ocamlfind
                  findlib_name
                  meta
                  files
              in
              List.iter
                (OASISExec.run ~ctxt:!BaseContext.default ocamlfind)
                commands;
              BaseLog.register install_findlib_ev findlib_name
          end;

        (* Install data files *)
        f_data ();

    in

    let group_libs, _, _ =
      findlib_mapping pkg
    in

      (* We install libraries in groups *)
      List.iter install_group_lib group_libs
  in

  let install_execs pkg =
    let install_exec data_exec =
      let cs, bs, exec =
        !exec_hook data_exec
      in
        if var_choose bs.bs_install &&
           BaseBuilt.is_built BaseBuilt.BExec cs.cs_name then
          begin
            let exec_libdir () =
              Filename.concat
                (libdir ())
                pkg.name
            in
              BaseBuilt.fold
                BaseBuilt.BExec
                cs.cs_name
                (fun () fn ->
                   install_file
                     ~tgt_fn:(cs.cs_name ^ ext_program ())
                     fn
                     bindir)
                ();
              BaseBuilt.fold
                BaseBuilt.BExecLib
                cs.cs_name
                (fun () fn ->
                   install_file
                     fn
                     exec_libdir)
                ();
              install_data
                bs.bs_path
                bs.bs_data_files
                (Filename.concat
                   (datarootdir ())
                   pkg.name)
          end
    in
      List.iter
        (function
           | Executable (cs, bs, exec)->
               install_exec (cs, bs, exec)
           | _ ->
               ())
        pkg.sections
  in

  let install_docs pkg =
    let install_doc data =
      let cs, doc =
        !doc_hook data
      in
        if var_choose doc.doc_install &&
           BaseBuilt.is_built BaseBuilt.BDoc cs.cs_name then
          begin
            let tgt_dir =
              OASISHostPath.of_unix (var_expand doc.doc_install_dir)
            in
              BaseBuilt.fold
                BaseBuilt.BDoc
                cs.cs_name
                (fun () fn ->
                   install_file
                     fn
                     (fun () -> tgt_dir))
              ();
              install_data
                Filename.current_dir_name
                doc.doc_data_files
                doc.doc_install_dir
          end
    in
      List.iter
        (function
           | Doc (cs, doc) ->
               install_doc (cs, doc)
           | _ ->
               ())
        pkg.sections
  in

    install_libs  pkg;
    install_execs pkg;
    install_docs  pkg


(* Uninstall already installed data *)
let uninstall _ argv =
  List.iter
    (fun (ev, data) ->
       if ev = install_file_ev then
         begin
           if OASISFileUtil.file_exists_case data then
             begin
               info
                 (f_ "Removing file '%s'")
                 data;
               Sys.remove data
             end
           else
             begin
               warning
                 (f_ "File '%s' doesn't exist anymore")
                 data
             end
         end
       else if ev = install_dir_ev then
         begin
           if Sys.file_exists data && Sys.is_directory data then
             begin
               if Sys.readdir data = [||] then
                 begin
                   info
                     (f_ "Removing directory '%s'")
                     data;
                   OASISFileUtil.rmdir ~ctxt:!BaseContext.default data
                 end
               else
                 begin
                   warning
                     (f_ "Directory '%s' is not empty (%s)")
                     data
                     (String.concat
                        ", "
                        (Array.to_list
                           (Sys.readdir data)))
                 end
             end
           else
             begin
               warning
                 (f_ "Directory '%s' doesn't exist anymore")
                 data
             end
         end
       else if ev = install_findlib_ev then
         begin
           info (f_ "Removing findlib library '%s'") data;
           OASISExec.run ~ctxt:!BaseContext.default
             (ocamlfind ()) ["remove"; data]
         end
       else
         failwithf (f_ "Unknown log event '%s'") ev;
       BaseLog.unregister ev data)
    (* We process event in reverse order *)
    (List.rev
       (BaseLog.filter
          [install_file_ev;
           install_dir_ev;
           install_findlib_ev]))


(* END EXPORT *)


open OASISPlugin
open InternalId


let plugin =
  `Install, name, Some version


let init () =
  let self_id, _ =
    Install.create plugin
  in
  (* Installation *)
  let doit_install ctxt pkg =
    ctxt,
    {
      chng_moduls    = [InternalData.internalsys_ml];
      chng_main      = ODNFunc.func install "InternalInstallPlugin.install";
      chng_clean     = None;
      chng_distclean = None;
    }
  in

  (* Uninstall *)
  let doit_uninstall ctxt pkg =
    ctxt,
    {
      chng_moduls    = [InternalData.internalsys_ml];
      chng_main      = ODNFunc.func uninstall "InternalInstallPlugin.uninstall";
      chng_clean     = None;
      chng_distclean = None;
    }
  in
    InternalId.init ();
    Install.register_act self_id (doit_install, doit_uninstall)