src/afsinstall/lib/InstallGuides/HPx00_UX9/rc

   1 # Copyright 2000, International Business Machines Corporation and others.
   2 # All Rights Reserved.
   3 #
   4 # This software has been released under the terms of the IBM Public
   5 # License.  For details, see the LICENSE file in the top-level source
   6 # directory or online at http://www.openafs.org/dl/license10.html
   7
   8 # An InstallGuide for installing the initialization script
   9 # For HP 9000 systems running HPUX 9.x
  10 #
  11
  12 sub rc {
  13 # Defaults
  14 $rcfile = "/etc/rc";
  15
  16 # Add AFS kernel loader to RC file
  17 &VPrint("Updating $rcfile file");
  18 &ErrorsAreFatal(1);
  19 &DisplaceFile("/etc/rc.afs");
  20
  21 # Append the generic RC file
  22 &ReadInstallGuide("$InstallGuideDir/GENERIC/rc");
  23 &Appendrc;
  24
  25 # Read in the current RC file
  26 $Section = "rc";
  27 $rc = open(RC, $rcfile);
  28 &ErrorMsg("Could not read file", $rcfile) if (!$rc);
  29 @line = <RC>;
  30 close(RC);
  31
  32 # Check if AFS is already referenced
  33 if (grep(/\bAFS\b/, @line) || grep(/\/usr\/vice\/etc/, @line)) {
  34   &Print("AFS appears to already be in $rcfile");
  35   return;  };
  36
  37 # Find where function localrc() is. If it is not there, put it in after
  38 # all of the leading comments
  39 $localrc = -1;
  40 $comments = 0;
  41 foreach $n (0 ... $#line) {
  42   $comments = $n unless (@line[$n] =~ /^#/ || $comments > 0);
  43   if (@line[$n] =~ /^localrc\(\)/) {
  44     $localrc = $n;
  45     last; };  };
  46
  47 # Insert a localrc() function if one was not already there
  48 if ($localrc == -1) {
  49   splice(@line, $comments, 0, "localrc()\n", "{\n", "}\n", "\n");
  50   $localrc = $comments;
  51   &Print("Inserted function localrc() in $rcfile");
  52   &Print("This should be run after NFS is started");  };
  53
  54 # Skip past the function name and opening curly brace. Account for "{}"
  55 until (@line[$localrc] =~ /\{/ || $localrc > $#line) { $localrc ++;  };
  56 if (@line[$localrc] =~ /\}/) {
  57   @line[$localrc] =~ s/\}//;
  58   splice(@line, $localrc+1, 0, "}\n"); };
  59 $localrc++;
  60
  61 # Insert a call to the AFS rc file
  62 splice(@line, $localrc, 0,
  63   "\# Start AFS\n",
  64   "if [ -f /etc/rc.afs ]; then\n",
  65   "  /bin/sh /etc/rc.afs\n",
  66   "fi\n");
  67
  68 # Rewrite the RC file
  69 $rc = open(RC, "> $rcfile");
  70 &ErrorMsg("Could not rewrite file" , $rcfile) if (!$rc);
  71 foreach $line (@line) {
  72   print RC $line;  };
  73 close(RC);
  74 }