/usr/share/ada/adainclude/gpr/gpr-script.adb is in libgpr1-dev 2017-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GPR PROJECT MANAGER --
-- --
-- Copyright (C) 2016-2017, Free Software Foundation, Inc. --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with GPR.Names; use GPR.Names;
package body GPR.Script is
Quote_List : constant String := "|&;<>()$`\"" *?[#~";
function Potentially_Quoted (S : String) return String;
-- Check if S needed to be quoted. It needs to be quoted if S contains at
-- least one character in the list above. Return S between simple quotes if
-- needed, otherwise return S.
------------------------
-- Potentially_Quoted --
------------------------
function Potentially_Quoted (S : String) return String is
Need_Quoting : Boolean := False;
Arg : String (1 .. 4 * S'Length);
Last : Natural := 0;
begin
for J in S'Range loop
if S (J) = ''' then
Need_Quoting := True;
Arg (Last + 1 .. Last + 4) := "'\''";
Last := Last + 4;
else
Last := Last + 1;
Arg (Last) := S (J);
if not Need_Quoting then
for K in Quote_List'Range loop
if S (J) = Quote_List (K) then
Need_Quoting := True;
exit;
end if;
end loop;
end if;
end if;
end loop;
if Need_Quoting then
return "'" & Arg (1 .. Last) & "'";
else
return S;
end if;
end Potentially_Quoted;
-----------------------
-- Script_Change_Dir --
-----------------------
procedure Script_Change_Dir (New_Dir : Path_Name_Type) is
begin
if Build_Script_Name /= null then
declare
Args : Argument_List :=
(1 => new String'(Get_Name_String (New_Dir)));
begin
Script_Write ("cd", Args);
Free (Args (1));
end;
end if;
end Script_Change_Dir;
-----------------
-- Script_Copy --
-----------------
procedure Script_Copy
(File_Name : String;
Destination : String_Access)
is
begin
if Build_Script_Name /= null then
declare
Args : Argument_List :=
(1 => new String'(File_Name),
2 => Destination);
begin
Script_Write ("cp", Args);
Free (Args (1));
end;
end if;
end Script_Copy;
------------------
-- Script_Write --
------------------
procedure Script_Write
(Program_Name : String;
Args : Argument_List)
is
Already_Open : constant Boolean := Is_Open (Build_Script_File);
begin
if Build_Script_Name /= null then
if not Already_Open then
Open (Build_Script_File, Append_File, Build_Script_Name.all);
end if;
Put (Build_Script_File, Potentially_Quoted (Program_Name));
for J in Args'Range loop
Put
(Build_Script_File,
" " & Potentially_Quoted (Args (J).all));
end loop;
New_Line (Build_Script_File);
if not Already_Open then
Close (Build_Script_File);
end if;
end if;
end Script_Write;
----------------------------
-- Spawn_And_Script_Write --
----------------------------
procedure Spawn_And_Script_Write
(Program_Name : String;
Args : Argument_List;
Success : out Boolean)
is
begin
Script_Write (Program_Name, Args);
Spawn (Program_Name, Args, Success);
end Spawn_And_Script_Write;
end GPR.Script;
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