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#!/usr/bin/perl |
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use strict; |
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use warnings; |
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use SVN::Dump; |
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use Shell qw/svnadmin cp find svn rm/; |
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use Cwd qw/abs_path/; |
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use Data::Dump qw/dump/; |
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my $base = shift @ARGV; |
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$base ||= 'svn/'; |
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my $checkout = "$base/checkout"; |
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my $to_dump = 0; |
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die "usage: $0 temp-base-directory (default: $base)\n" unless ( -e $base ); |
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my $mode = 'move'; |
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my ( $from, $to ) = ( "$base/from", "$base/to/" ); |
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my ( $from_list, $to_list ) = ( "$base/from.lst", "$base/to.lst" ); |
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sub rep_url { |
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return 'file:///' . abs_path(shift); |
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} |
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sub create_list { |
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my ( $dir, $path ) = @_; |
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my $list = svn('ls', '-R', rep_url($from)); |
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open(my $fh, '>', $path) || die "can't create $path: $!"; |
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print $fh $list; |
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close($fh); |
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if ( ! -s $path ) { |
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unlink($path); |
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die "ABORT: created zero size $path\n"; |
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} |
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warn "created: $path ", -s $path, "bytes\n"; |
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} |
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die "please copy repository on which to perfrom operation to $from\n" if ( ! -e $from ); |
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warn "##> collect all paths from repository $from\n"; |
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create_list( $from, $from_list ); |
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if ( ! -e $to_list ) { |
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cp( $from_list, $to_list ); |
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die "created $to_list\nplease edit it to reflect new layout\n"; |
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} |
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my $map; |
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my $mkdir; |
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open(my $fh_from, '<', $from_list ) || die "can't open $from_list: $!"; |
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open(my $fh_to, '<', $to_list ) || die "can't open $to_list: $!"; |
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while( my $path_from = <$fh_from> ) { |
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chomp($path_from); |
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my $path_to = <$fh_to> || die "list shorter, probably corrupt: $to_list\n"; |
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chomp($path_to); |
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$map->{$path_from} = $path_to; |
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if ( $path_to =~ m{^(.+)/\Q$path_from\E$}) { |
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if ( ! $mkdir->{$1} ) { |
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$mkdir->{$1}++; |
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warn "##> will create $1 in new layout\n"; |
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} |
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} |
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} |
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sub remap { |
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my ($path,$kind) = @_; |
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$path =~ s|/*$|/| if $kind && $kind eq 'dir'; |
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if (defined( $map->{$path} )) { |
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my $to = $map->{$path}; |
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warn "##> $path -> $to\n"; |
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return $to; |
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} else { |
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warn "??> '$path'\n" if $path; |
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return $path; |
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} |
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} |
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warn "map = ",dump( $map ),$/; |
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warn "mkdir = ", dump( $mkdir ),$/; |
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if ( -e $to ) { |
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#die "$to allready exists! remove it to re-create repository\n"; |
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rm('-Rf',$to); |
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} |
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svnadmin('create', $to); |
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open(my $fh_in, '-|', "svnadmin dump $from") || die "can't dump $from: $!"; |
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open(my $fh_out, '|-', "svnadmin load $to") || die "can't load $to: $!"; |
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open($fh_out, '>', "$base/to.dump") || die "can't dump to $base/to.dump: $!" if $to_dump; |
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my $dump = SVN::Dump->new( { fh => $fh_in } ); |
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warn "## converting subversion repository $from -> $to\n"; |
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while ( my $rec = $dump->next_record() ) { |
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if ( $rec->type() eq 'revision' && $rec->get_header( 'Revision-number' ) == 1 && $mkdir ) { |
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# copy revision record |
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print $fh_out $rec->as_string(); |
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# fetch dirs sorted by length |
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foreach my $dir ( sort { length($a) <=> length($b) } keys %$mkdir ) { |
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print $fh_out <<"__NODE_ADD_DIR__"; |
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Node-path: $dir |
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Node-kind: dir |
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Node-action: add |
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Prop-content-length: 10 |
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Content-length: 10 |
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PROPS-END |
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__NODE_ADD_DIR__ |
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warn "##> inserted mkdir $dir\n"; |
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} |
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next; |
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} |
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my $path = $rec->get_header('Node-path'); |
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my $kind = $rec->get_header('Node-kind'); |
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if ( $path ) { |
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my $new_path = remap($path,$kind); |
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if ( $new_path eq '' ) { |
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warn "##> skipped $kind $path\n"; |
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next; |
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} |
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$rec->set_header('Node-path', $new_path ); |
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if ( $path = $rec->get_header('Node-copyfrom-path') ) { |
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$rec->set_header('Node-copyfrom-path', remap($path,$kind) ); |
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} |
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} |
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print $fh_out $rec->as_string(); |
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} |
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if ($@) { |
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warn "ERROR: $@\n"; |
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warn "##> content imported into $to\n"; |
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svn('ls','-R', rep_url($to)); |
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} |
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close($fh_in); |
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close($fh_out); |
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if ( $to_dump ) { |
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svnadmin('verify',$to); |
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} else { |
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rm('-Rf', $checkout) if -e $checkout; |
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svn('co', rep_url($to), $checkout); |
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} |