script.cc

   1 /*
   2  * Copyright (c) 2001, Jan Nieuwenhuizen.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@cygnus.com>
  13  *            Jan Nieuwenhuizen <janneke@gnu.org>
  14  *
  15  */
  16
  17 /* The purpose of this file is to provide functions for the invocation
  18    of install scripts. */
  19
  20 #if 0
  21 static const char *cvsid =
  22   "\n%%% $Id$\n";
  23 #endif
  24
  25 #include "win32.h"
  26 #include <stdlib.h>
  27 #include <unistd.h>
  28 #include <stdio.h>
  29 #include "log.h"
  30 #include "filemanip.h"
  31 #include "mount.h"
  32 #include "io_stream.h"
  33
  34 static String sh = String();
  35 static const char *cmd = 0;
  36 static OSVERSIONINFO verinfo;
  37
  38 static const char *shells[] = {
  39   "/bin/sh.exe",
  40   "/usr/bin/sh.exe",
  41   "/bin/bash.exe",
  42   "/usr/bin/bash.exe",
  43   0
  44 };
  45
  46 void
  47 init_run_script ()
  48 {
  49   for (int i = 0; shells[i]; i++)
  50     {
  51       sh = backslash (cygpath (shells[i]));
  52       if (_access (sh.cstr_oneuse(), 0) == 0)
  53         break;
  54       sh = String();
  55     }
  56
  57   char old_path[_MAX_PATH];
  58   GetEnvironmentVariable ("PATH", old_path, sizeof (old_path));
  59   SetEnvironmentVariable ("PATH", backslash (cygpath ("/bin") + ";" +
  60                                              cygpath ("/usr/bin") + ";" +
  61                                              old_path).cstr_oneuse());
  62   SetEnvironmentVariable ("CYGWINROOT", get_root_dir ().cstr_oneuse());
  63
  64   verinfo.dwOSVersionInfoSize = sizeof (verinfo);
  65   GetVersionEx (&verinfo);
  66
  67   switch (verinfo.dwPlatformId)
  68     {
  69     case VER_PLATFORM_WIN32_NT:
  70       cmd = "cmd.exe";
  71       break;
  72     case VER_PLATFORM_WIN32_WINDOWS:
  73       cmd = "command.com";
  74       break;
  75     default:
  76       cmd = "command.com";
  77       break;
  78     }
  79 }
  80
  81 static void
  82 run (const char *sh, const char *args, const char *file)
  83 {
  84   BOOL b;
  85   char cmdline[_MAX_PATH];
  86   STARTUPINFO si;
  87   PROCESS_INFORMATION pi;
  88
  89   sprintf (cmdline, "%s %s %s", sh, args, file);
  90   memset (&pi, 0, sizeof (pi));
  91   memset (&si, 0, sizeof (si));
  92   si.cb = sizeof (si);
  93   si.lpTitle = (char *) "Cygwin Setup Post-Install Script";
  94   si.dwFlags = STARTF_USEPOSITION;
  95
  96   b = CreateProcess (0, cmdline, 0, 0, 0,
  97                      CREATE_NEW_CONSOLE, 0, get_root_dir ().cstr_oneuse(), &si, &pi);
  98
  99   if (b)
 100     WaitForSingleObject (pi.hProcess, INFINITE);
 101 }
 102
 103 void
 104 run_script (String const &dir, String const &fname)
 105 {
 106   char *ext = strrchr (fname.cstr_oneuse(), '.');
 107   if (!ext)
 108     return;
 109
 110   if (sh.size() && strcmp (ext, ".sh") == 0)
 111     {
 112       String f2 = dir + fname;
 113       log (LOG_PLAIN, String ("running: ") + sh + " -c " + f2);
 114       run (sh.cstr_oneuse(), "-c", f2.cstr_oneuse());
 115     }
 116   else if (cmd && strcmp (ext, ".bat") == 0)
 117     {
 118       String f2 = backslash (cygpath (dir + fname));
 119       log (LOG_PLAIN, String ("running: ") + cmd + " /c " + f2);
 120       run (cmd, "/c", f2.cstr_oneuse());
 121     }
 122   else
 123     return;
 124
 125   /* if file exists then delete it otherwise just ignore no file error */
 126   io_stream::remove (String ("cygfile://") + dir + fname + ".done");
 127
 128   io_stream::move (String ("cygfile://") + dir + fname,
 129                    String ("cygfile://") + dir + fname+ ".done");
 130 }
 131
 132 void
 133 try_run_script (String const &dir, String const &fname)
 134 {
 135   if (io_stream::exists (String ("cygfile://")+ dir + fname + ".sh"))
 136     run_script (dir.cstr_oneuse(), (fname + ".sh").cstr_oneuse());
 137   if (io_stream::exists (String ("cygfile://")+ dir + fname + ".bat"))
 138     run_script (dir.cstr_oneuse(), (fname + ".bat").cstr_oneuse());
 139 }
 140