enhanced the pre-commit hook script to restrict some operations
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@ -2,7 +2,7 @@ Package: @PACKAGE@
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Version: @VERSION@
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Maintainer: @PACKAGE_BUGREPORT@
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Homepage: @PACKAGE_URL@
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Depends: subversion, apache2-mpm-prefork, libapache2-svn, php5, php5-ldap, php5-gd
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Depends: subversion, apache2-mpm-prefork, libapache2-svn, php5, php5-ldap, php5-gd, perl, libconfig-simple-perl, libsvn-perl
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Recommends: php5-mysql, php5-svn (>= 0.5.1)
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Suggests: slapd, mysql-server
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Section: web
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@ -15,6 +15,23 @@ my $REPOFS = $ARGV[0];
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my $REPOBASE = basename($REPOFS);
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my $TRANSACTION = $ARGV[1];
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my %SVN_ACTIONS =
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(
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'A ' => 'add',
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'U ' => 'update',
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'D ' => 'delete',
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'_U' => 'propset',
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'UU' => 'update/propset'
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);
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my %SVN_ACTION_VERBS =
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(
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$SVN::Fs::PathChange::modify => 'modify',
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$SVN::Fs::PathChange::add => 'add',
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$SVN::Fs::PathChange::delete => 'delete',
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$SVN::Fs::PathChange::replace => 'replace'
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);
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sub get_config
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{
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my $cfg = new Config::Simple();
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@ -137,6 +154,289 @@ sub check_commit_message
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return 1;
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}
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sub restrict_changes_in_directory_old
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{
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my ($dir, $min_level, $max_level) = @_;
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my @change_info = `svnlook changed --copy-info -t "${TRANSACTION}" "${REPOFS}"`;
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# 'A ' Item added to repository
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# 'D ' Item deleted from repository
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# 'U ' File contents changed
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# '_U' Properties of item changed; note the leading underscore
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# 'UU' File contents and properties changed
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# ------------------------------------------------------------
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# + on the third column to indicate copy
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# fourth column is empty.
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# ------------------------------------------------------------
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# When copy-info is used, the source of the copy is shown
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# on the next line aligned at the file name part and
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# begins with spaces.
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#
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# A + y/t/
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# (from c/:r2)
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# ------------------------------------------------------------
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#
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# Renaming a file in the copied directory looks like this.
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# D tags/xxx-1.2.3/2/screenrc
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# A + tags/xxx-1.2.3/2/screenrc.x
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# (from tags/xxx-1.2.3/2/screenrc:r10)
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#
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# If the deletion of the file is disallowed, the whole
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# transaction is blocked. so I don't need to care about
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# copied addition.
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# ------------------------------------------------------------
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foreach my $line(@change_info)
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{
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chomp ($line);
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print (STDERR "... CHANGE INFO => $line\n");
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}
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my $disallowed = 0;
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while (@change_info) #foreach my $line(@change_info)
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{
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my $line = shift (@change_info);
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chomp ($line);
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if ($line =~ /^(A |U |D |_U|UU) ${dir}\/(.*)$/)
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{
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my $action = "${1}";
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my $affected_file = "${dir}/${2}";
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my $affected_file_nodir = "${2}";
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my $action_verb = $SVN_ACTIONS{$action};
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if (rindex($affected_file, '/') + 1 == length($affected_file))
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{
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# the last character is a slash. so it's a directory.
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# let's allow most of the operations on a directory.
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#if ($action eq 'D ')
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#{
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my @segs = split ('/', $affected_file_nodir);
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my $num_segs = scalar(@segs);
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# NOTE: for a string like abc/def/, split() seems to return 2 segments only.
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if ($affected_file_nodir eq '')
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{
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# it is the main directory itself.
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# allow operation on it.
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}
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elsif ($num_segs < $min_level || $num_segs > $max_level)
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{
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# disallow deletion if the directory name to be deleted
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# matches a tag pattern
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print (STDERR "Disallowed to ${action_verb} a directory - ${affected_file}\n");
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$disallowed++;
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}
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#}
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}
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else
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{
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print (STDERR "Disallowed to ${action_verb} a file - ${affected_file}\n");
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$disallowed++;
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}
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}
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elsif ($line =~ /^(A )\+ ${dir}\/(.*)$/)
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{
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my $action = "${1}";
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my $affected_file = "${dir}/${2}";
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# copying
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#
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# A + tags/xxx-1.2.3/2/smi.conf.2
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# (from tags/xxx-1.2.3/2/smi.conf:r10)
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#
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my $source_line = shift (@change_info);
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chomp ($source_line);
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if ($source_line =~ /
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^ # beginning of string
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\W* # 0 or more white-spaces
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\( # opening parenthesis
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\S+ # 1 or more non-space characters
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\W+ # 1 or more space characters
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(.+) # 1 or more characters
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:r[0-9]+ # :rXXX where XXX is digits
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\) # closing parenthesis
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$ # end of string
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/x)
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{
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my $source_file = "${1}";
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if (rindex($affected_file, '/') + 1 != length($affected_file))
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{
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# the file beging added by copyiung is not a directory.
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# it disallows individual file copying.
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# copy a whole directory at one go.
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print (STDERR "Disallowed to copy $source_file to $affected_file\n");
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$disallowed++;
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}
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elsif ($source_file =~ /^${dir}\/(.*)$/)
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{
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# i don't want to be a copied file or directory to be
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# a source of another copy operation.
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print (STDERR "Disallowed to copy $source_file to $affected_file\n");
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$disallowed++;
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}
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else
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{
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# Assume xxx is a directory.
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# Assume min_level is 1 and max_level is 2.
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#
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# If the following two commans are executed,
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# svn copy trunk/xxx tags/my-4.0.0
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# svn copy trunk/xxx tags/my-4.0.0/1
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#
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# svnlook returns the following text.
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# A + tags/my-4.0.0/
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# (from trunk/xxx/:r16)
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# A + tags/my-4.0.0/1/
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# (from trunk/xxx/:r16)
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#
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# if the script knows that tags/my-4.0.0 is created via copying,
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# i want this script to prevent copying other sources into it.
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# this case is not fully handled by this script.
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# TODO: DISALLOW THIS if the parent directory is a copied directory
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my $pardir = dirname ($affected_file);
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}
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}
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}
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#else
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#{
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# print (STDERR "OK ... ${line}\n");
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#}
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}
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return ($disallowed > 0)? -1: 0;
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}
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sub restrict_changes_in_directory
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{
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my ($dir, $min_level, $max_level) = @_;
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my $disallowed = 0;
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my $pool = SVN::Pool->new(undef);
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#my $config = SVN::Core::config_get_config(undef);
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#my $fs = eval { SVN::Fs::open ($REPOFS, $config, $pool) };
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my $svn = eval { SVN::Repos::open ($REPOFS, $pool) };
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if (!defined($svn))
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{
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print (STDERR "Cannot open svn - $REPOFS\n");
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return -1; # error
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}
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my $fs = $svn->fs ();
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if (!defined($fs))
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{
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print (STDERR "Cannot open fs - $REPOFS\n");
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return -1; # error
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}
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my $txn = eval { $fs->open_txn ($TRANSACTION) };
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if (!defined($txn))
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{
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print (STDERR "Cannot open transaction - $TRANSACTION\n");
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return -1;
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}
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my $root = $txn->root();
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my $paths_changed = $root->paths_changed();
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foreach my $affected_file(keys $paths_changed)
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{
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my $chg = $paths_changed->{$affected_file};
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my $source_file = undef;
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my $is_source_file_dir = 0;
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my $is_affected_file_dir = eval { $root->is_dir($affected_file) };
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#$chg->text_mod(), $chg->prop_mod()
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my $action = $chg->change_kind();
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my $action_verb = $SVN_ACTION_VERBS{$action};
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if ($action == $SVN::Fs::PathChange::add)
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{
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$source_file = eval { $root->copied_from($affected_file) };
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}
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elsif ($action == $SVN::Fs::PathChange::delete)
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{
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# when a file is deleted, $root->is_dir() doesn't seem to
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# return the right type. use the revision root to determine it.
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my $rev_root = $fs->revision_root($fs->youngest_rev());
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$is_affected_file_dir = eval { $rev_root->is_dir ($affected_file) };
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$rev_root->close_root();
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}
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print STDERR "@@@@@ [$affected_file] [$action_verb] [$source_file] [$is_source_file_dir] [$is_affected_file_dir]\n";
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if ($affected_file =~ /\/${dir}\/(.*)$/)
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{
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# the affected file is located under the given directory.
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my $affected_file_nodir = "${1}";
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if (defined($source_file))
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{
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# it's being copied.
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if (!$is_affected_file_dir)
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{
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# the file beging added by copying is not a directory.
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# it disallows individual file copying.
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# copy a whole directory at one go.
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print (STDERR "Disallowed to copy ${source_file} to ${affected_file}\n");
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$disallowed++;
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}
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elsif ($source_file =~ /^\/${dir}\/(.*)$/)
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{
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# i don't want to be a copied file or directory to be
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# a source of another copy operation.
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print (STDERR "Disallowed to copy ${source_file} to ${affected_file}\n");
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$disallowed++;
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}
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else
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{
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# TODO: DISALLOW THIS if the parent directory is a copied directory
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#my $pardir = dirname ($affected_file);
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}
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}
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else
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{
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if ($is_affected_file_dir)
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{
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my @segs = split ('/', $affected_file_nodir);
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my $num_segs = scalar(@segs);
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# NOTE: for a string like abc/def/, split() seems to return 2 segments only.
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if ($affected_file_nodir eq '')
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{
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# it is the main directory itself.
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# allow operation on it.
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}
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elsif ($num_segs < $min_level || $num_segs > $max_level)
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{
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# disallow deletion if the directory name to be deleted
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# matches a tag pattern
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print (STDERR "Disallowed to ${action_verb} a directory - ${affected_file}\n");
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$disallowed++;
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}
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}
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else
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{
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print (STDERR "Disallowed to ${action_verb} a file - ${affected_file}\n");
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$disallowed++;
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}
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}
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}
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}
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$root->close_root ();
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return ($disallowed > 0)? -1: 0;
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}
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#------------------------------------------------------------
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# MAIN
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#------------------------------------------------------------
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@ -153,6 +453,11 @@ if (check_commit_message ($cfg->{svn_min_commit_message_length}) <= 0)
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exit (1);
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}
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# TODO: make 'tags' configurable.
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if (restrict_changes_in_directory ('tags', 1, 2) <= -1)
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{
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exit (1);
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}
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#my $dbh = open_database ($cfg);
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#if (!defined($dbh))
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