#! perl

# Copyright (c) 2009 Symbian Foundation Ltd

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Symbian Foundation Ltd - initial contribution.

# 

# Contributors:

#

# Description:

# Summarise the "clone_all_packages.pl -exec -- hg status --rev a --rev b" output

use strict;

my %listings;

my $current_repo = "";

my @filelist = ();

my %all_repos;

sub record_file($$)

  {

  my ($file, $change) = @_;

  next if ($file eq ".hgtags");

  push @filelist, "$file$change";

  return;

  }

sub finished_repo()

  {

  if ($current_repo ne "")

    {

    $current_repo =~ s/^.*CL\/sf/sf/; # remove leading MCL or FCL stuff

    $all_repos{$current_repo} = 1;

    if (scalar @filelist > 0)

      {

      @{$listings{$current_repo}} = sort @filelist;

      # printf STDERR "* %s %d\n", $current_repo, scalar @filelist;

      }

    }

  @filelist = ();

  $current_repo = "";

  }

my $line;

while ($line = <>)

  {

  # Processing sfl/MCL/sf/app/imgvieweruis...

  if ($line =~ /^Processing (.*)\.\.\./)

    {

    finished_repo();

    $current_repo = $1;

    next;

    }

  # abort: unknown revision 'PDK_2.0.c'!

  if ($line =~ /^abort/)

    {

    # ignore the current repo, as it probably didn't have the right tag

    # $current_repo = "";

    next;

    }

  if ($line =~ /^([MARC]) (\S.*\S)\s*$/)

    {

    my $change = $1;

    my $file = $2;

    record_file($file, $change);

    next;

    }

  }

finished_repo();

foreach my $repo (sort keys %all_repos)

  {

  next if (defined $listings{$repo});

  print STDERR "No valid comparison for $repo\n";

  }

print "Package\tChange\tComponent\tFilename\tCount\n";

foreach my $repo (sort keys %listings)

  {

  my @filelist = @{$listings{$repo}};

  my $last_component = "";

  my @component_files = ();

  my @clean_files = ();

  my $clean_count = 0;

  my $component = "";

  foreach my $item (@filelist, ":boo:/:hoo:/:for:/:you:M")

    {

    my $change = substr($item,-1);

    my $file = substr($item,0,-1);

    my @names = split /\\/, $file;

    $component = "";

    if (scalar @names > 2)

      {

      my $collection = shift @names;

      $component = shift @names;

      $component = $collection . "/" . $component;

      }

    $file = join("/", @names);

    if ($component ne $last_component)

      {

      if (scalar @component_files > 0)

        {

        # previous component contained some A, M or R files

        print @component_files;

        } 

      if ($clean_count > 0)

        {

        print "$repo\tsame\t$last_component\t...\t$clean_count\n";

        }

      # reset, ready for next component;

      $last_component = $component;

      $clean_count = 0;

      @component_files = ();

      @clean_files = ();

      }

    if ($change eq "C")

      {

      $clean_count += 1;

      push @clean_files, "$repo\tsame\t$component\t$file\t1\n";

      }

    else

      {

      push @component_files, "$repo\t$change\t$component\t$file\t1\n";

      }

    } 

  }