5 # script to compare changes between translation files before merging them
8 # ./diff_po.pl cs.po.old cs.po
9 # svn diff -r38367 --diff-cmd ./diff_po.pl cs.po
10 # git difftool --extcmd=./diff_po.pl sk.po
11 # ./diff_po.pl -r HEAD~100 cs.po #fetch git revision and compare
12 # ./diff_po.pl -r39229 cs.po #fetch svn revision and compare
14 # This file is free software; you can redistribute it and/or
15 # modify it under the terms of the GNU General Public
16 # License as published by the Free Software Foundation; either
17 # version 2 of the License, or (at your option) any later version.
19 # This software is distributed in the hope that it will be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 # General Public License for more details.
24 # You should have received a copy of the GNU General Public
25 # License along with this software; if not, write to the Free Software
26 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 # Copyright (c) 2010-2013 Kornel Benko, kornel@lyx.org
31 # 1.) Search for good correlations of deleted <==> inserted string
32 # using Text::Levenshtein or Algorithm::Diff
36 my $p = File::Spec->rel2abs( __FILE__ );
37 $p =~ s/[\/\\]?[^\/\\]+$//;
43 use Term::ANSIColor qw(:constants);
47 my ($status, $foundline, $msgid, $msgstr, $fuzzy);
49 my %Messages = (); # Used for original po-file
50 my %newMessages = (); # new po-file
51 my %Untranslated = (); # inside new po-file
52 my %Fuzzy = (); # inside new po-file
53 my $result = 0; # exit value
57 # Check first, if called as standalone program for git
58 if ($ARGV[0] =~ /^-r(.*)/) {
64 for my $argf (@ARGV) {
67 if ($argf =~ /^(.*)\/([^\/]+)$/) {
70 chdir($filedir); # set working directory for the repo-command
77 my ($repo, $level) = &searchRepo($filedir);
78 my $relargf = $baseargf; # argf relative to the top-most repo directory
80 if (defined($level)) {
81 my $abspathpo = $filedir; # directory of the po-file
83 #print "Level = $level, abs path = $abspathpo\n";
85 $topdir =~ s/\/([^\/]+)$//;
86 $relargf = "$1/$relargf";
88 #print "Level = $level, topdir = $topdir, rel path = $relargf\n";
93 print "Could not find the repo-type\n";
97 &check_po_file_readable($baseargf, $relargf);
98 if ($repo eq ".git") {
100 my $tmpfile = File::Temp->new();
101 $rev = &getrev($repo, $rev);
102 push(@args, "-L", $argf . " (" . $rev . ")");
103 push(@args, "-L", $argf . " (local copy)");
104 print "git show $rev:$relargf\n";
105 open(FI, "git show $rev:$relargf|");
106 $tmpfile->unlink_on_destroy( 1 );
107 while(my $l = <FI>) {
111 $tmpfile->seek( 0, SEEK_END ); # Flush()
112 push(@args, $tmpfile->filename, $argf);
113 print "===================================================================\n";
116 elsif ($repo eq ".svn") {
117 # program svnversion needed here
118 $rev = &getrev($repo, $rev);
119 # call it again indirectly
120 my @cmd = ("svn", "diff", "-r$rev", "--diff-cmd", $0, $relargf);
121 print "cmd = " . join(' ', @cmd) . "\n";
124 elsif ($repo eq ".hg") {
125 # for this to work, one has to edit ~/.hgrc
130 $rev = &getrev($repo, $rev);
131 my @cmd = ("hg", "extdiff", "-r", "$rev", "-p", $0, $relargf);
132 print "cmd = " . join(' ', @cmd) . "\n";
142 #########################################################
144 # This routine builds n-th parent-path
145 # E.g. &buildParentDir("abc", 1) --> "abc/.."
146 # &buildParentDir("abc", 4) --> "abc/../../../.."
147 sub buildParentDir($$)
149 my ($dir, $par) = @_;
151 return &buildParentDir("$dir/..", $par-1);
158 # Tries up to 10 parent levels to find the repo-type
159 # Returns the repo-type
163 for my $parent ( 0 .. 10 ) {
164 my $f = &buildParentDir($dir, $parent);
165 for my $s (".git", ".svn", ".hg") {
167 #print "Found repo on level $parent\n";
168 return ($s, $parent);
172 return(""); # not found
183 while(defined($args[0])) {
184 last if ($args[0] !~ /^\-/);
185 my $param = shift(@args);
186 if ($param eq "-L") {
187 my $name = shift(@args);
191 if (! defined($names[0])) {
192 push(@names, "original");
194 if (! defined($names[1])) {
199 die("names = \"", join('" "', @names) . "\"... args = \"" . join('" "', @args) . "\" Expected exactly 2 parameters");
202 &check_po_file_readable($names[0], $args[0]);
203 &check_po_file_readable($names[1], $args[1]);
205 &parse_po_file($args[0], \%Messages);
206 &parse_po_file($args[1], \%newMessages);
208 my @MsgKeys = &getLineSortedKeys(\%newMessages);
210 print RED "<<< \"$names[0]\"\n", RESET;
211 print GREEN ">>> \"$names[1]\"\n", RESET;
212 for my $k (@MsgKeys) {
213 if ($newMessages{$k}->{msgstr} eq "") {
214 # this is still untranslated string
215 $Untranslated{$newMessages{$k}->{line}} = $k;
217 elsif ($newMessages{$k}->{fuzzy}) {
219 $Fuzzy{$newMessages{$k}->{line}} = $k;
221 if (exists($Messages{$k})) {
222 &printIfDiff($k, $Messages{$k}, $newMessages{$k});
223 delete($Messages{$k});
224 delete($newMessages{$k});
229 @MsgKeys = sort keys %Messages, keys %newMessages;
230 for my $k (@MsgKeys) {
231 if (defined($Messages{$k})) {
233 print "deleted message\n";
234 print "< line = " . $Messages{$k}->{line} . "\n" if ($printlines);
235 print RED "< fuzzy = " . $Messages{$k}->{fuzzy} . "\n", RESET;
236 print RED "< msgid = \"$k\"\n", RESET;
237 print RED "< msgstr = \"" . $Messages{$k}->{msgstr} . "\"\n", RESET;
239 if (defined($newMessages{$k})) {
241 print "new message\n";
242 print "> line = " . $newMessages{$k}->{line} . "\n" if ($printlines);
243 print GREEN "> fuzzy = " . $newMessages{$k}->{fuzzy} . "\n", RESET;
244 print GREEN "> msgid = \"$k\"\n", RESET;
245 print GREEN "> msgstr = \"" . $newMessages{$k}->{msgstr} . "\"\n", RESET;
250 @MsgKeys = &getLineSortedKeys(\%Messages);
251 for my $k (@MsgKeys) {
253 print "deleted message\n";
254 print "< line = " . $Messages{$k}->{line} . "\n" if ($printlines);
255 print RED "< fuzzy = " . $Messages{$k}->{fuzzy} . "\n", RESET;
256 print RED "< msgid = \"$k\"\n", RESET;
257 print RED "< msgstr = \"" . $Messages{$k}->{msgstr} . "\"\n", RESET;
260 @MsgKeys = &getLineSortedKeys(\%newMessages);
261 for my $k (@MsgKeys) {
263 print "new message\n";
264 print "> line = " . $newMessages{$k}->{line} . "\n" if ($printlines);
265 print GREEN "> fuzzy = " . $newMessages{$k}->{fuzzy} . "\n", RESET;
266 print GREEN "> msgid = \"$k\"\n", RESET;
267 print GREEN "> msgstr = \"" . $newMessages{$k}->{msgstr} . "\"\n", RESET;
270 &printExtraMessages("fuzzy", \%Fuzzy, \@names);
271 &printExtraMessages("untranslated", \%Untranslated, \@names);
274 sub check_po_file_readable($$)
276 my ($spec, $filename) = @_;
278 if (! -e $filename ) {
279 die("$spec po file does not exist");
281 if ( ! -f $filename ) {
282 die("$spec po file is not regular");
284 if ( ! -r $filename ) {
285 die("$spec po file is not readable");
289 # Diff of one corresponding entry
292 my ($k, $nk, $rM, $rnM) = @_;
293 print "diffline = " . $rM->{line} . "," . $rnM->{line} . "\n" if ($printlines);
294 print " msgid = \"$k\"\n";
295 if ($rM->{fuzzy} eq $rnM->{fuzzy}) {
296 print " fuzzy = " . $rM->{fuzzy} . "\n" if ($printlines);
299 print RED "< fuzzy = " . $rM->{fuzzy} . "\n", RESET;
301 print RED "< msgstr = " . $rM->{msgstr} . "\n", RESET;
303 print GREEN "> msgid = \"$nk\"\n", RESET;
305 if ($rM->{fuzzy} ne $rnM->{fuzzy}) {
306 print GREEN "> fuzzy = " . $rnM->{fuzzy} . "\n", RESET;
308 print GREEN "> msgstr = " . $rnM->{msgstr} . "\n", RESET;
314 my ($k, $rM, $rnM) = @_;
316 $doprint = 1 if ($rM->{fuzzy} != $rnM->{fuzzy});
317 $doprint = 1 if ($rM->{msgstr} ne $rnM->{msgstr});
320 &printDiff($k, $k, $rM, $rnM);
324 sub printExtraMessages($$$)
326 my ($type, $rExtra, $rNames) = @_;
327 #print "file1 = $rNames->[0], file2 = $rNames->[1]\n";
328 my @UntranslatedKeys = sort { $a <=> $b;} keys %{$rExtra};
330 if (@UntranslatedKeys > 0) {
331 print "Still " . 0 + @UntranslatedKeys . " $type messages found in $rNames->[0]\n";
332 for my $l (@UntranslatedKeys) {
333 print "> line $l: \"" . $rExtra->{$l} . "\"\n";
339 # get repository dependent revision representation
342 my ($repo, $rev) = @_;
345 if ($rev eq "HEAD") {
349 return $rev if ($rev !~ /^(-|HEAD[-~])(\d+)$/);
352 if ($repo eq ".hg") {
355 elsif ($repo eq ".git") {
356 return("HEAD~$revnum");
358 elsif ($repo eq ".svn") {
359 if (open(VI, "svnversion |")) {
360 while (my $r1 = <VI>) {
362 if ($r1 =~ /^((\d+):)?(\d+)M?$/) {