#!/usr/bin/perl -w
#
# Script to print out "deleted" files in VSS
#
# Uses VSS OLE Automation
# Documentation on VSS Object Model can be found at:
# http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnvss/html/msdn_vssole.asp
#
# Written by Robert Cowham (rc@vaccaperna.co.uk)
# Usual disclaimers apply!

require 5.0;
use strict;
use integer;
use Time::Local;
use Win32::OLE;
use Win32::OLE qw(in);
use Win32::OLE::Const;
use Win32::OLE::Variant;

my $USAGE = "VSS Path argument required: [vssdir]\ne.g.\n   $0 \"\$/Project 1/subdir\"\n";
my $root = $ARGV[0];
die($USAGE) if !(defined($root));

# Load up VSS Ole Automation
Win32::OLE->Option(Warn => 0);	# No warnings
my $VSSDB = Win32::OLE->new('SourceSafe', 'Quit');
my $consts = Win32::OLE::Const->Load($VSSDB);


# Declare the Username, password and SourceSafe path variables
# For now these are hardcoded
my $UserName = "eshare";
my $Password = "";
my $SrcSafeIni = "z:\\SRCSAFE.INI";

$VSSDB->Open($SrcSafeIni, $UserName, $Password);
my $VSSRoot = $VSSDB->VSSItem($root, 0);
if (!$VSSRoot) {
  die "Error finding directory \"$root\"\n";
}
print "Deleted VSS files in '$root':\n";
my $count = 0;
my $deleted_count = 0;
my $deleted_dirs_count = 0;
&vss_dir_tree($root);
print "\n$deleted_count deleted files out of $count files in total.\n";
print "$deleted_dirs_count deleted directories.\n";


# Recurse down the list of VSS directories looking for deleted files
sub vss_dir_tree
{
  my $rt = shift;

  my $root = $VSSDB->VSSItem($rt, 1);
  if ($root) {
    $deleted_dirs_count++;
    print "'$rt'\n";
  }
  else {
    $root = $VSSDB->VSSItem($rt, 0);
    if (!$root) {
      print "Error checking directory: $rt\n";
      return;
    }
  }

  my $items = $root->Items(1);
  my $item;
  my $dir;

  foreach $item (in $items) {
    if ($item->Type == $consts->{VSSITEM_PROJECT}) {
        $dir = $item->Name;
        &vss_dir_tree("$rt/$dir");
    }
    else {
        &check_deleted("$rt/".$item->Name);
    }
  }

}

sub check_deleted
{
  my $file = shift;

  $count++;

  my $item = $VSSDB->VSSItem($file, 1);
  if (!$item) {
    return;
  }

  if($item->Deleted) {
    $deleted_count++;
    print "'$file'\n";
  }

}