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#!/usr/bin/perl -w

# $Id: svn_set_ignore 547 2013-12-29 13:10:07Z mueller $

#

# Copyright 2007-2010 by Walter F.J. Mueller 

#

# This program is free software; you may redistribute and/or modify it under

# the terms of the GNU General Public License as published by the Free

# Software Foundation, either version 2, or at your option any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# for complete details.

#

#  Revision History:

# Date         Rev  Vers    Comment

# 2010-04-26   284   1.0.1  add error check for GetOptions

# 2007-06-16    56   1.0    Initial version

#

use 5.005;                                  # require Perl 5.005 or higher

use strict;                                 # require strict checking

use Getopt::Long;

sub do_dir;

my @dirlist;

my @def_ipat;

my %opts = ();

GetOptions(\%opts, "dry-run")

  or die "bad options";

if (@ARGV) {

  push @dirlist, @ARGV;

} else {

  @dirlist = `find -type d | grep -v "\.svn"`;

  die "bad find|grep" if $?;

}

open (CVSIG, ".cvsignore") or die "no top level .cvsigore found";

@def_ipat = grep /.+/, ;

close (CVSIG);

foreach (@dirlist) { chomp; do_dir($_); }

#-------------------------------------------------------------------------------

sub do_dir {

  my ($dirname) = @_;

  my @cur_ipat;

  my @loc_ipat;

  my @sum_ipat;

  my @new_ipat;

  my %ipat;

  return unless -d "$dirname/.svn";

  print "$dirname\n";

  open (SVN, "svn pg svn:ignore $dirname|") or die "failed to open svn pg pipe";

  @cur_ipat = grep /.+/, ;      # prop get and drop empty lines

  close (SVN);

  if ($dirname ne "." && -r "$dirname/.cvsignore") {

    open (CVSIG, "$dirname/.cvsignore")

      or die "failed to read local .cvsignore";

    @loc_ipat = grep /.+/, ;

    close (CVSIG);

  }

  push @sum_ipat, @def_ipat;

  push @sum_ipat, @loc_ipat;

  foreach (@sum_ipat) {

    if (exists $ipat{$_}) {

      my $pat = $_;

      chomp $pat;

      print "duplicate ignore: $pat in $dirname\n";

    } else {

      $ipat{$_} = 1;

      push @new_ipat, $_;

    }

  }

  if (join("",@cur_ipat) ne join("",@new_ipat)) {

    print "update svn:ignore for $dirname\n";

    print "old svn:ignore:\n";

    print "   ", join "   ",@cur_ipat if @cur_ipat;

    print "local .cvsignore:\n";

    print "   ", join "   ",@loc_ipat if @loc_ipat;

    print "new svn:ignore:\n";

    print "   ", join "   ",@new_ipat if @new_ipat;

    if (not exists $opts{"dry-run"}) {

      open (TMP, ">/tmp/svn_set_ignore_$$") or die "failed to open tmp file";

      print TMP join "",@new_ipat;

      close (TMP);

      print `svn ps svn:ignore -F /tmp/svn_set_ignore_$$ $dirname`;

      die "bad svn ps" if $?;

      unlink "/tmp/svn_set_ignore_$$" or die "failed to delete tmp file";

    }

  }

}