4 #### This application is a CVS emulation layer for git.
5 #### It is intended for clients to connect over SSH.
6 #### See the documentation for more details.
8 #### Copyright The Open University UK - 2006.
10 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
11 #### Martin Langhoff <martin@catalyst.net.nz>
14 #### Released under the GNU Public License, version 2.
22 use File::Temp qw/tempdir tempfile/;
25 my $log = GITCVS::log->new();
43 # Enable autoflush for STDOUT (otherwise the whole thing falls apart)
46 #### Definition and mappings of functions ####
50 'Valid-responses' => \&req_Validresponses,
51 'valid-requests' => \&req_validrequests,
52 'Directory' => \&req_Directory,
53 'Entry' => \&req_Entry,
54 'Modified' => \&req_Modified,
55 'Unchanged' => \&req_Unchanged,
56 'Questionable' => \&req_Questionable,
57 'Argument' => \&req_Argument,
58 'Argumentx' => \&req_Argument,
59 'expand-modules' => \&req_expandmodules,
61 'remove' => \&req_remove,
63 'update' => \&req_update,
68 'tag' => \&req_CATCHALL,
69 'status' => \&req_status,
70 'admin' => \&req_CATCHALL,
71 'history' => \&req_CATCHALL,
72 'watchers' => \&req_CATCHALL,
73 'editors' => \&req_CATCHALL,
74 'annotate' => \&req_annotate,
75 'Global_option' => \&req_Globaloption,
76 #'annotate' => \&req_CATCHALL,
79 ##############################################
82 # $state holds all the bits of information the clients sends us that could
83 # potentially be useful when it comes to actually _doing_ something.
85 $log->info("--------------- STARTING -----------------");
87 my $TEMP_DIR = tempdir( CLEANUP => 1 );
88 $log->debug("Temporary directory is '$TEMP_DIR'");
90 # Keep going until the client closes the connection
95 # Check to see if we've seen this method, and call appropiate function.
96 if ( /^([\w-]+)(?:\s+(.*))?$/ and defined($methods->{$1}) )
98 # use the $methods hash to call the appropriate sub for this command
99 #$log->info("Method : $1");
100 &{$methods->{$1}}($1,$2);
102 # log fatal because we don't understand this function. If this happens
103 # we're fairly screwed because we don't know if the client is expecting
104 # a response. If it is, the client will hang, we'll hang, and the whole
105 # thing will be custard.
106 $log->fatal("Don't understand command $_\n");
107 die("Unknown command $_");
111 $log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
112 $log->info("--------------- FINISH -----------------");
114 # Magic catchall method.
115 # This is the method that will handle all commands we haven't yet
116 # implemented. It simply sends a warning to the log file indicating a
117 # command that hasn't been implemented has been invoked.
120 my ( $cmd, $data ) = @_;
121 $log->warn("Unhandled command : req_$cmd : $data");
126 # Response expected: no. Tell the server which CVSROOT to use. Note that
127 # pathname is a local directory and not a fully qualified CVSROOT variable.
128 # pathname must already exist; if creating a new root, use the init
129 # request, not Root. pathname does not include the hostname of the server,
130 # how to access the server, etc.; by the time the CVS protocol is in use,
131 # connection, authentication, etc., are already taken care of. The Root
132 # request must be sent only once, and it must be sent before any requests
133 # other than Valid-responses, valid-requests, UseUnchanged, Set or init.
136 my ( $cmd, $data ) = @_;
137 $log->debug("req_Root : $data");
139 $state->{CVSROOT} = $data;
141 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
143 foreach my $line ( `git-var -l` )
145 next unless ( $line =~ /^(.*?)\.(.*?)=(.*)$/ );
149 unless ( defined ( $cfg->{gitcvs}{enabled} ) and $cfg->{gitcvs}{enabled} =~ /^\s*(1|true|yes)\s*$/i )
151 print "E GITCVS emulation needs to be enabled on this repo\n";
152 print "E the repo config file needs a [gitcvs] section added, and the parameter 'enabled' set to 1\n";
154 print "error 1 GITCVS emulation disabled\n";
157 if ( defined ( $cfg->{gitcvs}{logfile} ) )
159 $log->setfile($cfg->{gitcvs}{logfile});
165 # Global_option option \n
166 # Response expected: no. Transmit one of the global options `-q', `-Q',
167 # `-l', `-t', `-r', or `-n'. option must be one of those strings, no
168 # variations (such as combining of options) are allowed. For graceful
169 # handling of valid-requests, it is probably better to make new global
170 # options separate requests, rather than trying to add them to this
174 my ( $cmd, $data ) = @_;
175 $log->debug("req_Globaloption : $data");
177 # TODO : is this data useful ???
180 # Valid-responses request-list \n
181 # Response expected: no. Tell the server what responses the client will
182 # accept. request-list is a space separated list of tokens.
183 sub req_Validresponses
185 my ( $cmd, $data ) = @_;
186 $log->debug("req_Validrepsonses : $data");
188 # TODO : re-enable this, currently it's not particularly useful
189 #$state->{validresponses} = [ split /\s+/, $data ];
193 # Response expected: yes. Ask the server to send back a Valid-requests
195 sub req_validrequests
197 my ( $cmd, $data ) = @_;
199 $log->debug("req_validrequests");
201 $log->debug("SEND : Valid-requests " . join(" ",keys %$methods));
202 $log->debug("SEND : ok");
204 print "Valid-requests " . join(" ",keys %$methods) . "\n";
208 # Directory local-directory \n
209 # Additional data: repository \n. Response expected: no. Tell the server
210 # what directory to use. The repository should be a directory name from a
211 # previous server response. Note that this both gives a default for Entry
212 # and Modified and also for ci and the other commands; normal usage is to
213 # send Directory for each directory in which there will be an Entry or
214 # Modified, and then a final Directory for the original directory, then the
215 # command. The local-directory is relative to the top level at which the
216 # command is occurring (i.e. the last Directory which is sent before the
217 # command); to indicate that top level, `.' should be sent for
221 my ( $cmd, $data ) = @_;
223 my $repository = <STDIN>;
227 $state->{localdir} = $data;
228 $state->{repository} = $repository;
229 $state->{directory} = $repository;
230 $state->{directory} =~ s/^$state->{CVSROOT}\///;
231 $state->{module} = $1 if ($state->{directory} =~ s/^(.*?)(\/|$)//);
232 $state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
234 $log->debug("req_Directory : localdir=$data repository=$repository directory=$state->{directory} module=$state->{module}");
237 # Entry entry-line \n
238 # Response expected: no. Tell the server what version of a file is on the
239 # local machine. The name in entry-line is a name relative to the directory
240 # most recently specified with Directory. If the user is operating on only
241 # some files in a directory, Entry requests for only those files need be
242 # included. If an Entry request is sent without Modified, Is-modified, or
243 # Unchanged, it means the file is lost (does not exist in the working
244 # directory). If both Entry and one of Modified, Is-modified, or Unchanged
245 # are sent for the same file, Entry must be sent first. For a given file,
246 # one can send Modified, Is-modified, or Unchanged, but not more than one
250 my ( $cmd, $data ) = @_;
252 $log->debug("req_Entry : $data");
254 my @data = split(/\//, $data);
256 $state->{entries}{$state->{directory}.$data[1]} = {
257 revision => $data[2],
258 conflict => $data[3],
260 tag_or_date => $data[5],
265 # Response expected: yes. Add a file or directory. This uses any previous
266 # Argument, Directory, Entry, or Modified requests, if they have been sent.
267 # The last Directory sent specifies the working directory at the time of
268 # the operation. To add a directory, send the directory to be added using
269 # Directory and Argument requests.
272 my ( $cmd, $data ) = @_;
278 foreach my $filename ( @{$state->{args}} )
280 $filename = filecleanup($filename);
282 unless ( defined ( $state->{entries}{$filename}{modified_filename} ) )
284 print "E cvs add: nothing known about `$filename'\n";
287 # TODO : check we're not squashing an already existing file
288 if ( defined ( $state->{entries}{$filename}{revision} ) )
290 print "E cvs add: `$filename' has already been entered\n";
295 my ( $filepart, $dirpart ) = filenamesplit($filename);
297 print "E cvs add: scheduling file `$filename' for addition\n";
299 print "Checked-in $dirpart\n";
301 print "/$filepart/0///\n";
306 if ( $addcount == 1 )
308 print "E cvs add: use `cvs commit' to add this file permanently\n";
310 elsif ( $addcount > 1 )
312 print "E cvs add: use `cvs commit' to add these files permanently\n";
319 # Response expected: yes. Remove a file. This uses any previous Argument,
320 # Directory, Entry, or Modified requests, if they have been sent. The last
321 # Directory sent specifies the working directory at the time of the
322 # operation. Note that this request does not actually do anything to the
323 # repository; the only effect of a successful remove request is to supply
324 # the client with a new entries line containing `-' to indicate a removed
325 # file. In fact, the client probably could perform this operation without
326 # contacting the server, although using remove may cause the server to
327 # perform a few more checks. The client sends a subsequent ci request to
328 # actually record the removal in the repository.
331 my ( $cmd, $data ) = @_;
335 # Grab a handle to the SQLite db and do any necessary updates
336 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
339 #$log->debug("add state : " . Dumper($state));
343 foreach my $filename ( @{$state->{args}} )
345 $filename = filecleanup($filename);
347 if ( defined ( $state->{entries}{$filename}{unchanged} ) or defined ( $state->{entries}{$filename}{modified_filename} ) )
349 print "E cvs remove: file `$filename' still in working directory\n";
353 my $meta = $updater->getmeta($filename);
354 my $wrev = revparse($filename);
356 unless ( defined ( $wrev ) )
358 print "E cvs remove: nothing known about `$filename'\n";
362 if ( defined($wrev) and $wrev < 0 )
364 print "E cvs remove: file `$filename' already scheduled for removal\n";
368 unless ( $wrev == $meta->{revision} )
370 # TODO : not sure if the format of this message is quite correct.
371 print "E cvs remove: Up to date check failed for `$filename'\n";
376 my ( $filepart, $dirpart ) = filenamesplit($filename);
378 print "E cvs remove: scheduling `$filename' for removal\n";
380 print "Checked-in $dirpart\n";
382 print "/$filepart/-1.$wrev///\n";
389 print "E cvs remove: use `cvs commit' to remove this file permanently\n";
391 elsif ( $rmcount > 1 )
393 print "E cvs remove: use `cvs commit' to remove these files permanently\n";
399 # Modified filename \n
400 # Response expected: no. Additional data: mode, \n, file transmission. Send
401 # the server a copy of one locally modified file. filename is a file within
402 # the most recent directory sent with Directory; it must not contain `/'.
403 # If the user is operating on only some files in a directory, only those
404 # files need to be included. This can also be sent without Entry, if there
405 # is no entry for the file.
408 my ( $cmd, $data ) = @_;
415 # Grab config information
416 my $blocksize = 8192;
417 my $bytesleft = $size;
420 # Get a filehandle/name to write it to
421 my ( $fh, $filename ) = tempfile( DIR => $TEMP_DIR );
423 # Loop over file data writing out to temporary file.
426 $blocksize = $bytesleft if ( $bytesleft < $blocksize );
427 read STDIN, $tmp, $blocksize;
429 $bytesleft -= $blocksize;
434 # Ensure we have something sensible for the file mode
435 if ( $mode =~ /u=(\w+)/ )
442 # Save the file data in $state
443 $state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
444 $state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
445 $state->{entries}{$state->{directory}.$data}{modified_hash} = `git-hash-object $filename`;
446 $state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
448 #$log->debug("req_Modified : file=$data mode=$mode size=$size");
451 # Unchanged filename \n
452 # Response expected: no. Tell the server that filename has not been
453 # modified in the checked out directory. The filename is a file within the
454 # most recent directory sent with Directory; it must not contain `/'.
457 my ( $cmd, $data ) = @_;
459 $state->{entries}{$state->{directory}.$data}{unchanged} = 1;
461 #$log->debug("req_Unchanged : $data");
464 # Questionable filename \n
465 # Response expected: no. Additional data: no.
466 # Tell the server to check whether filename should be ignored,
467 # and if not, next time the server sends responses, send (in
468 # a M response) `?' followed by the directory and filename.
469 # filename must not contain `/'; it needs to be a file in the
470 # directory named by the most recent Directory request.
473 my ( $cmd, $data ) = @_;
475 $state->{entries}{$state->{directory}.$data}{questionable} = 1;
477 #$log->debug("req_Questionable : $data");
481 # Response expected: no. Save argument for use in a subsequent command.
482 # Arguments accumulate until an argument-using command is given, at which
483 # point they are forgotten.
485 # Response expected: no. Append \n followed by text to the current argument
489 my ( $cmd, $data ) = @_;
491 # TODO : Not quite sure how Argument and Argumentx differ, but I assume
492 # it's for multi-line arguments ... somehow ...
494 $log->debug("$cmd : $data");
496 push @{$state->{arguments}}, $data;
500 # Response expected: yes. Expand the modules which are specified in the
501 # arguments. Returns the data in Module-expansion responses. Note that the
502 # server can assume that this is checkout or export, not rtag or rdiff; the
503 # latter do not access the working directory and thus have no need to
504 # expand modules on the client side. Expand may not be the best word for
505 # what this request does. It does not necessarily tell you all the files
506 # contained in a module, for example. Basically it is a way of telling you
507 # which working directories the server needs to know about in order to
508 # handle a checkout of the specified modules. For example, suppose that the
509 # server has a module defined by
510 # aliasmodule -a 1dir
511 # That is, one can check out aliasmodule and it will take 1dir in the
512 # repository and check it out to 1dir in the working directory. Now suppose
513 # the client already has this module checked out and is planning on using
514 # the co request to update it. Without using expand-modules, the client
515 # would have two bad choices: it could either send information about all
516 # working directories under the current directory, which could be
517 # unnecessarily slow, or it could be ignorant of the fact that aliasmodule
518 # stands for 1dir, and neglect to send information for 1dir, which would
519 # lead to incorrect operation. With expand-modules, the client would first
520 # ask for the module to be expanded:
521 sub req_expandmodules
523 my ( $cmd, $data ) = @_;
527 $log->debug("req_expandmodules : " . ( defined($data) ? $data : "[NULL]" ) );
529 unless ( ref $state->{arguments} eq "ARRAY" )
535 foreach my $module ( @{$state->{arguments}} )
537 $log->debug("SEND : Module-expansion $module");
538 print "Module-expansion $module\n";
546 # Response expected: yes. Get files from the repository. This uses any
547 # previous Argument, Directory, Entry, or Modified requests, if they have
548 # been sent. Arguments to this command are module names; the client cannot
549 # know what directories they correspond to except by (1) just sending the
550 # co request, and then seeing what directory names the server sends back in
551 # its responses, and (2) the expand-modules request.
554 my ( $cmd, $data ) = @_;
558 my $module = $state->{args}[0];
559 my $checkout_path = $module;
561 # use the user specified directory if we're given it
562 $checkout_path = $state->{opt}{d} if ( exists ( $state->{opt}{d} ) );
564 $log->debug("req_co : " . ( defined($data) ? $data : "[NULL]" ) );
566 $log->info("Checking out module '$module' ($state->{CVSROOT}) to '$checkout_path'");
568 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
570 # Grab a handle to the SQLite db and do any necessary updates
571 my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
574 $checkout_path =~ s|/$||; # get rid of trailing slashes
576 # Eclipse seems to need the Clear-sticky command
577 # to prepare the 'Entries' file for the new directory.
578 print "Clear-sticky $checkout_path/\n";
579 print $state->{CVSROOT} . "/$checkout_path/\n";
580 print "Clear-static-directory $checkout_path/\n";
581 print $state->{CVSROOT} . "/$checkout_path/\n";
583 # instruct the client that we're checking out to $checkout_path
584 print "E cvs checkout: Updating $checkout_path\n";
588 foreach my $git ( @{$updater->gethead} )
590 # Don't want to check out deleted files
591 next if ( $git->{filehash} eq "deleted" );
593 ( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
595 # modification time of this file
596 print "Mod-time $git->{modified}\n";
598 # print some information to the client
599 if ( defined ( $git->{dir} ) and $git->{dir} ne "./" )
601 print "M U $checkout_path/$git->{dir}$git->{name}\n";
603 print "M U $checkout_path/$git->{name}\n";
606 if (length($git->{dir}) && $git->{dir} ne './' && !exists($seendirs{$git->{dir}})) {
608 # Eclipse seems to need the Clear-sticky command
609 # to prepare the 'Entries' file for the new directory.
610 print "Clear-sticky $module/$git->{dir}\n";
611 print $state->{CVSROOT} . "/$module/$git->{dir}\n";
612 print "Clear-static-directory $module/$git->{dir}\n";
613 print $state->{CVSROOT} . "/$module/$git->{dir}\n";
614 print "E cvs checkout: Updating /$module/$git->{dir}\n";
615 $seendirs{$git->{dir}} = 1;
618 # instruct client we're sending a file to put in this path
619 print "Created $checkout_path/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "\n";
621 print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
623 # this is an "entries" line
624 print "/$git->{name}/1.$git->{revision}///\n";
626 print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
629 transmitfile($git->{filehash});
638 # Response expected: yes. Actually do a cvs update command. This uses any
639 # previous Argument, Directory, Entry, or Modified requests, if they have
640 # been sent. The last Directory sent specifies the working directory at the
641 # time of the operation. The -I option is not used--files which the client
642 # can decide whether to ignore are not mentioned and the client sends the
643 # Questionable request for others.
646 my ( $cmd, $data ) = @_;
648 $log->debug("req_update : " . ( defined($data) ? $data : "[NULL]" ));
653 # It may just be a client exploring the available heads/modukles
654 # in that case, list them as top level directories and leave it
655 # at that. Eclipse uses this technique to offer you a list of
656 # projects (heads in this case) to checkout.
658 if ($state->{module} eq '') {
659 print "E cvs update: Updating .\n";
660 opendir HEADS, $state->{CVSROOT} . '/refs/heads';
661 while (my $head = readdir(HEADS)) {
662 if (-f $state->{CVSROOT} . '/refs/heads/' . $head) {
663 print "E cvs update: New directory `$head'\n";
672 # Grab a handle to the SQLite db and do any necessary updates
673 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
677 # if no files were specified, we need to work out what files we should be providing status on ...
678 argsfromdir($updater) if ( scalar ( @{$state->{args}} ) == 0 );
680 #$log->debug("update state : " . Dumper($state));
682 # foreach file specified on the commandline ...
683 foreach my $filename ( @{$state->{args}} )
685 $filename = filecleanup($filename);
687 # if we have a -C we should pretend we never saw modified stuff
688 if ( exists ( $state->{opt}{C} ) )
690 delete $state->{entries}{$filename}{modified_hash};
691 delete $state->{entries}{$filename}{modified_filename};
692 $state->{entries}{$filename}{unchanged} = 1;
696 if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
698 $meta = $updater->getmeta($filename, $1);
700 $meta = $updater->getmeta($filename);
703 next unless ( $meta->{revision} );
707 my $wrev = revparse($filename);
709 # If the working copy is an old revision, lets get that version too for comparison.
710 if ( defined($wrev) and $wrev != $meta->{revision} )
712 $oldmeta = $updater->getmeta($filename, $wrev);
715 #$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
717 # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified _and_ the user hasn't specified -C
718 next if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{unchanged} and not exists ( $state->{opt}{C} ) );
720 if ( $meta->{filehash} eq "deleted" )
722 my ( $filepart, $dirpart ) = filenamesplit($filename);
724 $log->info("Removing '$filename' from working copy (no longer in the repo)");
726 print "E cvs update: `$filename' is no longer in the repository\n";
727 print "Removed $dirpart\n";
730 elsif ( not defined ( $state->{entries}{$filename}{modified_hash} ) or $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} )
732 $log->info("Updating '$filename'");
733 # normal update, just send the new revision (either U=Update, or A=Add, or R=Remove)
734 print "MT +updated\n";
736 print "MT fname $filename\n";
737 print "MT newline\n";
738 print "MT -updated\n";
740 my ( $filepart, $dirpart ) = filenamesplit($filename);
741 $dirpart =~ s/^$state->{directory}//;
743 if ( defined ( $wrev ) )
745 # instruct client we're sending a file to put in this path as a replacement
746 print "Update-existing $dirpart\n";
747 $log->debug("Updating existing file 'Update-existing $dirpart'");
749 # instruct client we're sending a file to put in this path as a new file
750 print "Created $dirpart\n";
751 $log->debug("Creating new file 'Created $dirpart'");
753 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
755 # this is an "entries" line
756 $log->debug("/$filepart/1.$meta->{revision}///");
757 print "/$filepart/1.$meta->{revision}///\n";
760 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
761 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
764 transmitfile($meta->{filehash});
766 my ( $filepart, $dirpart ) = filenamesplit($meta->{name});
768 my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/";
771 my $file_local = $filepart . ".mine";
772 system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
773 my $file_old = $filepart . "." . $oldmeta->{revision};
774 transmitfile($oldmeta->{filehash}, $file_old);
775 my $file_new = $filepart . "." . $meta->{revision};
776 transmitfile($meta->{filehash}, $file_new);
778 # we need to merge with the local changes ( M=successful merge, C=conflict merge )
779 $log->info("Merging $file_local, $file_old, $file_new");
781 $log->debug("Temporary directory for merge is $dir");
783 my $return = system("merge", $file_local, $file_old, $file_new);
788 $log->info("Merged successfully");
789 print "M M $filename\n";
790 $log->debug("Update-existing $dirpart");
791 print "Update-existing $dirpart\n";
792 $log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
793 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
794 $log->debug("/$filepart/1.$meta->{revision}///");
795 print "/$filepart/1.$meta->{revision}///\n";
797 elsif ( $return == 1 )
799 $log->info("Merged with conflicts");
800 print "M C $filename\n";
801 print "Update-existing $dirpart\n";
802 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
803 print "/$filepart/1.$meta->{revision}/+//\n";
807 $log->warn("Merge failed");
812 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
813 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
815 # transmit file, format is single integer on a line by itself (file
816 # size) followed by the file contents
817 # TODO : we should copy files in blocks
818 my $data = `cat $file_local`;
819 $log->debug("File size : " . length($data));
820 print length($data) . "\n";
833 my ( $cmd, $data ) = @_;
837 #$log->debug("State : " . Dumper($state));
839 $log->info("req_ci : " . ( defined($data) ? $data : "[NULL]" ));
841 if ( -e $state->{CVSROOT} . "/index" )
843 print "error 1 Index already exists in git repo\n";
847 my $lockfile = "$state->{CVSROOT}/refs/heads/$state->{module}.lock";
848 unless ( sysopen(LOCKFILE,$lockfile,O_EXCL|O_CREAT|O_WRONLY) )
850 print "error 1 Lock file '$lockfile' already exists, please try again\n";
854 # Grab a handle to the SQLite db and do any necessary updates
855 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
858 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
859 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
860 $log->info("Lock successful, basing commit on '$tmpdir', index file is '$file_index'");
862 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
863 $ENV{GIT_INDEX_FILE} = $file_index;
867 # populate the temporary index based
868 system("git-read-tree", $state->{module});
871 die "Error running git-read-tree $state->{module} $file_index $!";
873 $log->info("Created index '$file_index' with for head $state->{module} - exit status $?");
876 my @committedfiles = ();
878 # foreach file specified on the commandline ...
879 foreach my $filename ( @{$state->{args}} )
881 $filename = filecleanup($filename);
883 next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
885 my $meta = $updater->getmeta($filename);
887 my $wrev = revparse($filename);
889 my ( $filepart, $dirpart ) = filenamesplit($filename);
891 # do a checkout of the file if it part of this tree
893 system('git-checkout-index', '-f', '-u', $filename);
895 die "Error running git-checkout-index -f -u $filename : $!";
901 $rmflag = 1 if ( defined($wrev) and $wrev < 0 );
902 $addflag = 1 unless ( -e $filename );
904 # Do up to date checking
905 unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
907 # fail everything if an up to date check fails
908 print "error 1 Up to date check failed for $filename\n";
915 push @committedfiles, $filename;
916 $log->info("Committing $filename");
918 system("mkdir","-p",$dirpart) unless ( -d $dirpart );
922 $log->debug("rename $state->{entries}{$filename}{modified_filename} $filename");
923 rename $state->{entries}{$filename}{modified_filename},$filename;
925 # Calculate modes to remove
927 foreach ( qw (r w x) ) { $invmode .= $_ unless ( $state->{entries}{$filename}{modified_mode} =~ /$_/ ); }
929 $log->debug("chmod u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode . " $filename");
930 system("chmod","u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode, $filename);
935 $log->info("Removing file '$filename'");
937 system("git-update-index", "--remove", $filename);
941 $log->info("Adding file '$filename'");
942 system("git-update-index", "--add", $filename);
944 $log->info("Updating file '$filename'");
945 system("git-update-index", $filename);
949 unless ( scalar(@committedfiles) > 0 )
951 print "E No files to commit\n";
959 my $treehash = `git-write-tree`;
960 my $parenthash = `cat $ENV{GIT_DIR}refs/heads/$state->{module}`;
964 $log->debug("Treehash : $treehash, Parenthash : $parenthash");
966 # write our commit message out if we have one ...
967 my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
968 print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
969 print $msg_fh "\n\nvia git-CVS emulator\n";
972 my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`;
973 $log->info("Commit hash : $commithash");
975 unless ( $commithash =~ /[a-zA-Z0-9]{40}/ )
977 $log->warn("Commit failed (Invalid commit hash)");
978 print "error 1 Commit failed (unknown reason)\n";
985 open FILE, ">", "$ENV{GIT_DIR}refs/heads/$state->{module}";
986 print FILE $commithash;
991 # foreach file specified on the commandline ...
992 foreach my $filename ( @committedfiles )
994 $filename = filecleanup($filename);
996 my $meta = $updater->getmeta($filename);
998 my ( $filepart, $dirpart ) = filenamesplit($filename);
1000 $log->debug("Checked-in $dirpart : $filename");
1002 if ( $meta->{filehash} eq "deleted" )
1004 print "Remove-entry $dirpart\n";
1005 print "$filename\n";
1007 print "Checked-in $dirpart\n";
1008 print "$filename\n";
1009 print "/$filepart/1.$meta->{revision}///\n";
1022 my ( $cmd, $data ) = @_;
1026 $log->info("req_status : " . ( defined($data) ? $data : "[NULL]" ));
1027 #$log->debug("status state : " . Dumper($state));
1029 # Grab a handle to the SQLite db and do any necessary updates
1030 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1033 # if no files were specified, we need to work out what files we should be providing status on ...
1034 argsfromdir($updater) if ( scalar ( @{$state->{args}} ) == 0 );
1036 # foreach file specified on the commandline ...
1037 foreach my $filename ( @{$state->{args}} )
1039 $filename = filecleanup($filename);
1041 my $meta = $updater->getmeta($filename);
1042 my $oldmeta = $meta;
1044 my $wrev = revparse($filename);
1046 # If the working copy is an old revision, lets get that version too for comparison.
1047 if ( defined($wrev) and $wrev != $meta->{revision} )
1049 $oldmeta = $updater->getmeta($filename, $wrev);
1052 # TODO : All possible statuses aren't yet implemented
1054 # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1055 $status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
1057 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1058 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
1061 # Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
1062 $status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
1064 ( $state->{entries}{$filename}{unchanged}
1065 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
1068 # Need checkout if it exists in the repo but doesn't have a working copy
1069 $status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
1071 # Locally modified if working copy and repo copy have the same revision but there are local changes
1072 $status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
1074 # Needs Merge if working copy revision is less than repo copy and there are local changes
1075 $status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
1077 $status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
1078 $status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
1079 $status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
1080 $status ||= "File had conflicts on merge" if ( 0 );
1082 $status ||= "Unknown";
1084 print "M ===================================================================\n";
1085 print "M File: $filename\tStatus: $status\n";
1086 if ( defined($state->{entries}{$filename}{revision}) )
1088 print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
1090 print "M Working revision:\tNo entry for $filename\n";
1092 if ( defined($meta->{revision}) )
1094 print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{repository}/$filename,v\n";
1095 print "M Sticky Tag:\t\t(none)\n";
1096 print "M Sticky Date:\t\t(none)\n";
1097 print "M Sticky Options:\t\t(none)\n";
1099 print "M Repository revision:\tNo revision control file\n";
1109 my ( $cmd, $data ) = @_;
1113 $log->debug("req_diff : " . ( defined($data) ? $data : "[NULL]" ));
1114 #$log->debug("status state : " . Dumper($state));
1116 my ($revision1, $revision2);
1117 if ( defined ( $state->{opt}{r} ) and ref $state->{opt}{r} eq "ARRAY" )
1119 $revision1 = $state->{opt}{r}[0];
1120 $revision2 = $state->{opt}{r}[1];
1122 $revision1 = $state->{opt}{r};
1125 $revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
1126 $revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
1128 $log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
1130 # Grab a handle to the SQLite db and do any necessary updates
1131 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1134 # if no files were specified, we need to work out what files we should be providing status on ...
1135 argsfromdir($updater) if ( scalar ( @{$state->{args}} ) == 0 );
1137 # foreach file specified on the commandline ...
1138 foreach my $filename ( @{$state->{args}} )
1140 $filename = filecleanup($filename);
1142 my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
1144 my $wrev = revparse($filename);
1146 # We need _something_ to diff against
1147 next unless ( defined ( $wrev ) );
1149 # if we have a -r switch, use it
1150 if ( defined ( $revision1 ) )
1152 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1153 $meta1 = $updater->getmeta($filename, $revision1);
1154 unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
1156 print "E File $filename at revision 1.$revision1 doesn't exist\n";
1159 transmitfile($meta1->{filehash}, $file1);
1161 # otherwise we just use the working copy revision
1164 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1165 $meta1 = $updater->getmeta($filename, $wrev);
1166 transmitfile($meta1->{filehash}, $file1);
1169 # if we have a second -r switch, use it too
1170 if ( defined ( $revision2 ) )
1172 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1173 $meta2 = $updater->getmeta($filename, $revision2);
1175 unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
1177 print "E File $filename at revision 1.$revision2 doesn't exist\n";
1181 transmitfile($meta2->{filehash}, $file2);
1183 # otherwise we just use the working copy
1186 $file2 = $state->{entries}{$filename}{modified_filename};
1189 # if we have been given -r, and we don't have a $file2 yet, lets get one
1190 if ( defined ( $revision1 ) and not defined ( $file2 ) )
1192 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1193 $meta2 = $updater->getmeta($filename, $wrev);
1194 transmitfile($meta2->{filehash}, $file2);
1197 # We need to have retrieved something useful
1198 next unless ( defined ( $meta1 ) );
1200 # Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1201 next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
1203 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1204 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
1207 # Apparently we only show diffs for locally modified files
1208 next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
1210 print "M Index: $filename\n";
1211 print "M ===================================================================\n";
1212 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1213 print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
1214 print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
1216 foreach my $opt ( keys %{$state->{opt}} )
1218 if ( ref $state->{opt}{$opt} eq "ARRAY" )
1220 foreach my $value ( @{$state->{opt}{$opt}} )
1222 print "-$opt $value ";
1226 print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
1229 print "$filename\n";
1231 $log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
1233 ( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
1235 if ( exists $state->{opt}{u} )
1237 system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
1239 system("diff $file1 $file2 > $filediff");
1254 my ( $cmd, $data ) = @_;
1258 $log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
1259 #$log->debug("log state : " . Dumper($state));
1261 my ( $minrev, $maxrev );
1262 if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
1267 $minrev =~ s/^1\.// if ( defined ( $minrev ) );
1268 $maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
1269 $minrev++ if ( defined($minrev) and $control eq "::" );
1272 # Grab a handle to the SQLite db and do any necessary updates
1273 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1276 # if no files were specified, we need to work out what files we should be providing status on ...
1277 argsfromdir($updater) if ( scalar ( @{$state->{args}} ) == 0 );
1279 # foreach file specified on the commandline ...
1280 foreach my $filename ( @{$state->{args}} )
1282 $filename = filecleanup($filename);
1284 my $headmeta = $updater->getmeta($filename);
1286 my $revisions = $updater->getlog($filename);
1287 my $totalrevisions = scalar(@$revisions);
1289 if ( defined ( $minrev ) )
1291 $log->debug("Removing revisions less than $minrev");
1292 while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
1297 if ( defined ( $maxrev ) )
1299 $log->debug("Removing revisions greater than $maxrev");
1300 while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
1306 next unless ( scalar(@$revisions) );
1309 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1310 print "M Working file: $filename\n";
1311 print "M head: 1.$headmeta->{revision}\n";
1312 print "M branch:\n";
1313 print "M locks: strict\n";
1314 print "M access list:\n";
1315 print "M symbolic names:\n";
1316 print "M keyword substitution: kv\n";
1317 print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
1318 print "M description:\n";
1320 foreach my $revision ( @$revisions )
1322 print "M ----------------------------\n";
1323 print "M revision 1.$revision->{revision}\n";
1324 # reformat the date for log output
1325 $revision->{modified} = sprintf('%04d/%02d/%02d %s', $3, $DATE_LIST->{$2}, $1, $4 ) if ( $revision->{modified} =~ /(\d+)\s+(\w+)\s+(\d+)\s+(\S+)/ and defined($DATE_LIST->{$2}) );
1326 $revision->{author} =~ s/\s+.*//;
1327 $revision->{author} =~ s/^(.{8}).*/$1/;
1328 print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
1329 my $commitmessage = $updater->commitmessage($revision->{commithash});
1330 $commitmessage =~ s/^/M /mg;
1331 print $commitmessage . "\n";
1333 print "M =============================================================================\n";
1341 my ( $cmd, $data ) = @_;
1343 argsplit("annotate");
1345 $log->info("req_annotate : " . ( defined($data) ? $data : "[NULL]" ));
1346 #$log->debug("status state : " . Dumper($state));
1348 # Grab a handle to the SQLite db and do any necessary updates
1349 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1352 # if no files were specified, we need to work out what files we should be providing annotate on ...
1353 argsfromdir($updater) if ( scalar ( @{$state->{args}} ) == 0 );
1355 # we'll need a temporary checkout dir
1356 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1357 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1358 $log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'");
1360 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1361 $ENV{GIT_INDEX_FILE} = $file_index;
1365 # foreach file specified on the commandline ...
1366 foreach my $filename ( @{$state->{args}} )
1368 $filename = filecleanup($filename);
1370 my $meta = $updater->getmeta($filename);
1372 next unless ( $meta->{revision} );
1374 # get all the commits that this file was in
1375 # in dense format -- aka skip dead revisions
1376 my $revisions = $updater->gethistorydense($filename);
1377 my $lastseenin = $revisions->[0][2];
1379 # populate the temporary index based on the latest commit were we saw
1380 # the file -- but do it cheaply without checking out any files
1381 # TODO: if we got a revision from the client, use that instead
1382 # to look up the commithash in sqlite (still good to default to
1383 # the current head as we do now)
1384 system("git-read-tree", $lastseenin);
1387 die "Error running git-read-tree $lastseenin $file_index $!";
1389 $log->info("Created index '$file_index' with commit $lastseenin - exit status $?");
1391 # do a checkout of the file
1392 system('git-checkout-index', '-f', '-u', $filename);
1394 die "Error running git-checkout-index -f -u $filename : $!";
1397 $log->info("Annotate $filename");
1399 # Prepare a file with the commits from the linearized
1400 # history that annotate should know about. This prevents
1401 # git-jsannotate telling us about commits we are hiding
1404 open(ANNOTATEHINTS, ">$tmpdir/.annotate_hints") or die "Error opening > $tmpdir/.annotate_hints $!";
1405 for (my $i=0; $i < @$revisions; $i++)
1407 print ANNOTATEHINTS $revisions->[$i][2];
1408 if ($i+1 < @$revisions) { # have we got a parent?
1409 print ANNOTATEHINTS ' ' . $revisions->[$i+1][2];
1411 print ANNOTATEHINTS "\n";
1414 print ANNOTATEHINTS "\n";
1415 close ANNOTATEHINTS;
1417 my $annotatecmd = 'git-annotate';
1418 open(ANNOTATE, "-|", $annotatecmd, '-l', '-S', "$tmpdir/.annotate_hints", $filename)
1419 or die "Error invoking $annotatecmd -l -S $tmpdir/.annotate_hints $filename : $!";
1421 print "E Annotations for $filename\n";
1422 print "E ***************\n";
1423 while ( <ANNOTATE> )
1425 if (m/^([a-zA-Z0-9]{40})\t\([^\)]*\)(.*)$/i)
1427 my $commithash = $1;
1429 unless ( defined ( $metadata->{$commithash} ) )
1431 $metadata->{$commithash} = $updater->getmeta($filename, $commithash);
1432 $metadata->{$commithash}{author} =~ s/\s+.*//;
1433 $metadata->{$commithash}{author} =~ s/^(.{8}).*/$1/;
1434 $metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
1436 printf("M 1.%-5d (%-8s %10s): %s\n",
1437 $metadata->{$commithash}{revision},
1438 $metadata->{$commithash}{author},
1439 $metadata->{$commithash}{modified},
1443 $log->warn("Error in annotate output! LINE: $_");
1444 print "E Annotate error \n";
1451 # done; get out of the tempdir
1458 # This method takes the state->{arguments} array and produces two new arrays.
1459 # The first is $state->{args} which is everything before the '--' argument, and
1460 # the second is $state->{files} which is everything after it.
1463 return unless( defined($state->{arguments}) and ref $state->{arguments} eq "ARRAY" );
1467 $state->{args} = [];
1468 $state->{files} = [];
1471 if ( defined($type) )
1474 $opt = { A => 0, N => 0, P => 0, R => 0, c => 0, f => 0, l => 0, n => 0, p => 0, s => 0, r => 1, D => 1, d => 1, k => 1, j => 1, } if ( $type eq "co" );
1475 $opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
1476 $opt = { A => 0, P => 0, C => 0, d => 0, f => 0, l => 0, R => 0, p => 0, k => 1, r => 1, D => 1, j => 1, I => 1, W => 1 } if ( $type eq "update" );
1477 $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
1478 $opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
1479 $opt = { k => 1, m => 1 } if ( $type eq "add" );
1480 $opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
1481 $opt = { l => 0, b => 0, h => 0, R => 0, t => 0, N => 0, S => 0, r => 1, d => 1, s => 1, w => 1 } if ( $type eq "log" );
1484 while ( scalar ( @{$state->{arguments}} ) > 0 )
1486 my $arg = shift @{$state->{arguments}};
1488 next if ( $arg eq "--" );
1489 next unless ( $arg =~ /\S/ );
1491 # if the argument looks like a switch
1492 if ( $arg =~ /^-(\w)(.*)/ )
1494 # if it's a switch that takes an argument
1497 # If this switch has already been provided
1498 if ( $opt->{$1} > 1 and exists ( $state->{opt}{$1} ) )
1500 $state->{opt}{$1} = [ $state->{opt}{$1} ];
1501 if ( length($2) > 0 )
1503 push @{$state->{opt}{$1}},$2;
1505 push @{$state->{opt}{$1}}, shift @{$state->{arguments}};
1508 # if there's extra data in the arg, use that as the argument for the switch
1509 if ( length($2) > 0 )
1511 $state->{opt}{$1} = $2;
1513 $state->{opt}{$1} = shift @{$state->{arguments}};
1517 $state->{opt}{$1} = undef;
1522 push @{$state->{args}}, $arg;
1530 foreach my $value ( @{$state->{arguments}} )
1532 if ( $value eq "--" )
1537 push @{$state->{args}}, $value if ( $mode == 0 );
1538 push @{$state->{files}}, $value if ( $mode == 1 );
1543 # This method uses $state->{directory} to populate $state->{args} with a list of filenames
1546 my $updater = shift;
1548 $state->{args} = [];
1550 foreach my $file ( @{$updater->gethead} )
1552 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
1553 next unless ( $file->{name} =~ s/^$state->{directory}// );
1554 push @{$state->{args}}, $file->{name};
1558 # This method cleans up the $state variable after a command that uses arguments has run
1561 $state->{files} = [];
1562 $state->{args} = [];
1563 $state->{arguments} = [];
1564 $state->{entries} = {};
1569 my $filename = shift;
1571 return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
1573 return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
1574 return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
1579 # This method takes a file hash and does a CVS "file transfer" which transmits the
1580 # size of the file, and then the file contents.
1581 # If a second argument $targetfile is given, the file is instead written out to
1582 # a file by the name of $targetfile
1585 my $filehash = shift;
1586 my $targetfile = shift;
1588 if ( defined ( $filehash ) and $filehash eq "deleted" )
1590 $log->warn("filehash is 'deleted'");
1594 die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
1596 my $type = `git-cat-file -t $filehash`;
1599 die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
1601 my $size = `git-cat-file -s $filehash`;
1604 $log->debug("transmitfile($filehash) size=$size, type=$type");
1606 if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
1608 if ( defined ( $targetfile ) )
1610 open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
1611 print NEWFILE $_ while ( <$fh> );
1615 print while ( <$fh> );
1617 close $fh or die ("Couldn't close filehandle for transmitfile()");
1619 die("Couldn't execute git-cat-file");
1623 # This method takes a file name, and returns ( $dirpart, $filepart ) which
1624 # refers to the directory porition and the file portion of the filename
1628 my $filename = shift;
1630 my ( $filepart, $dirpart ) = ( $filename, "." );
1631 ( $filepart, $dirpart ) = ( $2, $1 ) if ( $filename =~ /(.*)\/(.*)/ );
1634 return ( $filepart, $dirpart );
1639 my $filename = shift;
1641 return undef unless(defined($filename));
1642 if ( $filename =~ /^\// )
1644 print "E absolute filenames '$filename' not supported by server\n";
1648 $filename =~ s/^\.\///g;
1649 $filename = $state->{directory} . $filename;
1654 package GITCVS::log;
1657 #### Copyright The Open University UK - 2006.
1659 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
1660 #### Martin Langhoff <martin@catalyst.net.nz>
1673 This module provides very crude logging with a similar interface to
1682 Creates a new log object, optionally you can specify a filename here to
1683 indicate the file to log to. If no log file is specified, you can specifiy one
1684 later with method setfile, or indicate you no longer want logging with method
1687 Until one of these methods is called, all log calls will buffer messages ready
1694 my $filename = shift;
1698 bless $self, $class;
1700 if ( defined ( $filename ) )
1702 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
1710 This methods takes a filename, and attempts to open that file as the log file.
1711 If successful, all buffered data is written out to the file, and any further
1712 logging is written directly to the file.
1718 my $filename = shift;
1720 if ( defined ( $filename ) )
1722 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
1725 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
1727 while ( my $line = shift @{$self->{buffer}} )
1729 print {$self->{fh}} $line;
1735 This method indicates no logging is going to be used. It flushes any entries in
1736 the internal buffer, and sets a flag to ensure no further data is put there.
1745 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
1747 $self->{buffer} = [];
1752 Internal method. Returns true if the log file is open, false otherwise.
1759 return 1 if ( defined ( $self->{fh} ) and ref $self->{fh} eq "GLOB" );
1763 =head2 debug info warn fatal
1765 These four methods are wrappers to _log. They provide the actual interface for
1769 sub debug { my $self = shift; $self->_log("debug", @_); }
1770 sub info { my $self = shift; $self->_log("info" , @_); }
1771 sub warn { my $self = shift; $self->_log("warn" , @_); }
1772 sub fatal { my $self = shift; $self->_log("fatal", @_); }
1776 This is an internal method called by the logging functions. It generates a
1777 timestamp and pushes the logged line either to file, or internal buffer.
1785 return if ( $self->{nolog} );
1787 my @time = localtime;
1788 my $timestring = sprintf("%4d-%02d-%02d %02d:%02d:%02d : %-5s",
1798 if ( $self->_logopen )
1800 print {$self->{fh}} $timestring . " - " . join(" ",@_) . "\n";
1802 push @{$self->{buffer}}, $timestring . " - " . join(" ",@_) . "\n";
1808 This method simply closes the file handle if one is open
1815 if ( $self->_logopen )
1821 package GITCVS::updater;
1824 #### Copyright The Open University UK - 2006.
1826 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
1827 #### Martin Langhoff <martin@catalyst.net.nz>
1849 die "Need to specify a git repository" unless ( defined($config) and -d $config );
1850 die "Need to specify a module" unless ( defined($module) );
1852 $class = ref($class) || $class;
1856 bless $self, $class;
1858 $self->{dbdir} = $config . "/";
1859 die "Database dir '$self->{dbdir}' isn't a directory" unless ( defined($self->{dbdir}) and -d $self->{dbdir} );
1861 $self->{module} = $module;
1862 $self->{file} = $self->{dbdir} . "/gitcvs.$module.sqlite";
1864 $self->{git_path} = $config . "/";
1866 $self->{log} = $log;
1868 die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
1870 $self->{dbh} = DBI->connect("dbi:SQLite:dbname=" . $self->{file},"","");
1872 $self->{tables} = {};
1873 foreach my $table ( $self->{dbh}->tables )
1877 $self->{tables}{$table} = 1;
1880 # Construct the revision table if required
1881 unless ( $self->{tables}{revision} )
1884 CREATE TABLE revision (
1886 revision INTEGER NOT NULL,
1887 filehash TEXT NOT NULL,
1888 commithash TEXT NOT NULL,
1889 author TEXT NOT NULL,
1890 modified TEXT NOT NULL,
1896 # Construct the revision table if required
1897 unless ( $self->{tables}{head} )
1902 revision INTEGER NOT NULL,
1903 filehash TEXT NOT NULL,
1904 commithash TEXT NOT NULL,
1905 author TEXT NOT NULL,
1906 modified TEXT NOT NULL,
1912 # Construct the properties table if required
1913 unless ( $self->{tables}{properties} )
1916 CREATE TABLE properties (
1917 key TEXT NOT NULL PRIMARY KEY,
1923 # Construct the commitmsgs table if required
1924 unless ( $self->{tables}{commitmsgs} )
1927 CREATE TABLE commitmsgs (
1928 key TEXT NOT NULL PRIMARY KEY,
1944 # first lets get the commit list
1945 $ENV{GIT_DIR} = $self->{git_path};
1947 # prepare database queries
1948 my $db_insert_rev = $self->{dbh}->prepare_cached("INSERT INTO revision (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
1949 my $db_insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO commitmsgs (key, value) VALUES (?,?)",{},1);
1950 my $db_delete_head = $self->{dbh}->prepare_cached("DELETE FROM head",{},1);
1951 my $db_insert_head = $self->{dbh}->prepare_cached("INSERT INTO head (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
1953 my $commitinfo = `git-cat-file commit $self->{module} 2>&1`;
1954 unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
1956 die("Invalid module '$self->{module}'");
1961 my $lastcommit = $self->_get_prop("last_commit");
1963 # Start exclusive lock here...
1964 $self->{dbh}->begin_work() or die "Cannot lock database for BEGIN";
1966 # TODO: log processing is memory bound
1967 # if we can parse into a 2nd file that is in reverse order
1968 # we can probably do something really efficient
1969 my @git_log_params = ('--parents', '--topo-order');
1971 if (defined $lastcommit) {
1972 push @git_log_params, "$lastcommit..$self->{module}";
1974 push @git_log_params, $self->{module};
1976 open(GITLOG, '-|', 'git-log', @git_log_params) or die "Cannot call git-log: $!";
1985 if (m/^commit\s+(.*)$/) {
1986 # on ^commit lines put the just seen commit in the stack
1987 # and prime things for the next one
1990 unshift @commits, \%copy;
1993 my @parents = split(m/\s+/, $1);
1994 $commit{hash} = shift @parents;
1995 $commit{parents} = \@parents;
1996 } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
1997 # on rfc822-like lines seen before we see any message,
1998 # lowercase the entry and put it in the hash as key-value
1999 $commit{lc($1)} = $2;
2001 # message lines - skip initial empty line
2002 # and trim whitespace
2003 if (!exists($commit{message}) && m/^\s*$/) {
2004 # define it to mark the end of headers
2005 $commit{message} = '';
2008 s/^\s+//; s/\s+$//; # trim ws
2009 $commit{message} .= $_ . "\n";
2014 unshift @commits, \%commit if ( keys %commit );
2016 # Now all the commits are in the @commits bucket
2017 # ordered by time DESC. for each commit that needs processing,
2018 # determine whether it's following the last head we've seen or if
2019 # it's on its own branch, grab a file list, and add whatever's changed
2020 # NOTE: $lastcommit refers to the last commit from previous run
2021 # $lastpicked is the last commit we picked in this run
2024 if (defined $lastcommit) {
2025 $lastpicked = $lastcommit;
2028 my $committotal = scalar(@commits);
2029 my $commitcount = 0;
2031 # Load the head table into $head (for cached lookups during the update process)
2032 foreach my $file ( @{$self->gethead()} )
2034 $head->{$file->{name}} = $file;
2037 foreach my $commit ( @commits )
2039 $self->{log}->debug("GITCVS::updater - Processing commit $commit->{hash} (" . (++$commitcount) . " of $committotal)");
2040 if (defined $lastpicked)
2042 if (!in_array($lastpicked, @{$commit->{parents}}))
2044 # skip, we'll see this delta
2045 # as part of a merge later
2046 # warn "skipping off-track $commit->{hash}\n";
2048 } elsif (@{$commit->{parents}} > 1) {
2049 # it is a merge commit, for each parent that is
2050 # not $lastpicked, see if we can get a log
2051 # from the merge-base to that parent to put it
2052 # in the message as a merge summary.
2053 my @parents = @{$commit->{parents}};
2054 foreach my $parent (@parents) {
2055 # git-merge-base can potentially (but rarely) throw
2056 # several candidate merge bases. let's assume
2057 # that the first one is the best one.
2058 if ($parent eq $lastpicked) {
2061 open my $p, 'git-merge-base '. $lastpicked . ' '
2063 my @output = (<$p>);
2065 my $base = join('', @output);
2069 # print "want to log between $base $parent \n";
2070 open(GITLOG, '-|', 'git-log', "$base..$parent")
2071 or die "Cannot call git-log: $!";
2075 if (!defined $mergedhash) {
2076 if (m/^commit\s+(.+)$/) {
2082 # grab the first line that looks non-rfc822
2083 # aka has content after leading space
2084 if (m/^\s+(\S.*)$/) {
2086 $title = substr($title,0,100); # truncate
2087 unshift @merged, "$mergedhash $title";
2094 $commit->{mergemsg} = $commit->{message};
2095 $commit->{mergemsg} .= "\nSummary of merged commits:\n\n";
2096 foreach my $summary (@merged) {
2097 $commit->{mergemsg} .= "\t$summary\n";
2099 $commit->{mergemsg} .= "\n\n";
2100 # print "Message for $commit->{hash} \n$commit->{mergemsg}";
2107 # convert the date to CVS-happy format
2108 $commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
2110 if ( defined ( $lastpicked ) )
2112 my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
2113 while ( <FILELIST> )
2115 unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)\s+(.*)$/o )
2117 die("Couldn't process git-diff-tree line : $_");
2120 # $log->debug("File mode=$1, hash=$2, change=$3, name=$4");
2123 $git_perms .= "r" if ( $1 & 4 );
2124 $git_perms .= "w" if ( $1 & 2 );
2125 $git_perms .= "x" if ( $1 & 1 );
2126 $git_perms = "rw" if ( $git_perms eq "" );
2130 #$log->debug("DELETE $4");
2133 revision => $head->{$4}{revision} + 1,
2134 filehash => "deleted",
2135 commithash => $commit->{hash},
2136 modified => $commit->{date},
2137 author => $commit->{author},
2140 $db_insert_rev->execute($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2144 #$log->debug("MODIFIED $4");
2147 revision => $head->{$4}{revision} + 1,
2149 commithash => $commit->{hash},
2150 modified => $commit->{date},
2151 author => $commit->{author},
2154 $db_insert_rev->execute($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2158 #$log->debug("ADDED $4");
2163 commithash => $commit->{hash},
2164 modified => $commit->{date},
2165 author => $commit->{author},
2168 $db_insert_rev->execute($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2172 $log->warn("UNKNOWN FILE CHANGE mode=$1, hash=$2, change=$3, name=$4");
2178 # this is used to detect files removed from the repo
2179 my $seen_files = {};
2181 my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
2182 while ( <FILELIST> )
2184 unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\s+(.*)$/o )
2186 die("Couldn't process git-ls-tree line : $_");
2189 my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
2191 $seen_files->{$git_filename} = 1;
2193 my ( $oldhash, $oldrevision, $oldmode ) = (
2194 $head->{$git_filename}{filehash},
2195 $head->{$git_filename}{revision},
2196 $head->{$git_filename}{mode}
2199 if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
2202 $git_perms .= "r" if ( $1 & 4 );
2203 $git_perms .= "w" if ( $1 & 2 );
2204 $git_perms .= "x" if ( $1 & 1 );
2209 # unless the file exists with the same hash, we need to update it ...
2210 unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
2212 my $newrevision = ( $oldrevision or 0 ) + 1;
2214 $head->{$git_filename} = {
2215 name => $git_filename,
2216 revision => $newrevision,
2217 filehash => $git_hash,
2218 commithash => $commit->{hash},
2219 modified => $commit->{date},
2220 author => $commit->{author},
2225 $db_insert_rev->execute($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2230 # Detect deleted files
2231 foreach my $file ( keys %$head )
2233 unless ( exists $seen_files->{$file} or $head->{$file}{filehash} eq "deleted" )
2235 $head->{$file}{revision}++;
2236 $head->{$file}{filehash} = "deleted";
2237 $head->{$file}{commithash} = $commit->{hash};
2238 $head->{$file}{modified} = $commit->{date};
2239 $head->{$file}{author} = $commit->{author};
2241 $db_insert_rev->execute($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
2244 # END : "Detect deleted files"
2248 if (exists $commit->{mergemsg})
2250 $db_insert_mergelog->execute($commit->{hash}, $commit->{mergemsg});
2253 $lastpicked = $commit->{hash};
2255 $self->_set_prop("last_commit", $commit->{hash});
2258 $db_delete_head->execute();
2259 foreach my $file ( keys %$head )
2261 $db_insert_head->execute(
2263 $head->{$file}{revision},
2264 $head->{$file}{filehash},
2265 $head->{$file}{commithash},
2266 $head->{$file}{modified},
2267 $head->{$file}{author},
2268 $head->{$file}{mode},
2271 # invalidate the gethead cache
2272 $self->{gethead_cache} = undef;
2275 # Ending exclusive lock here
2276 $self->{dbh}->commit() or die "Failed to commit changes to SQLite";
2282 my $filename = shift;
2284 my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM head WHERE name=?",{},1);
2285 $db_query->execute($filename);
2286 my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
2288 return ( $hash, $revision, $mode );
2296 my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM properties WHERE key=?",{},1);
2297 $db_query->execute($key);
2298 my ( $value ) = $db_query->fetchrow_array;
2309 my $db_query = $self->{dbh}->prepare_cached("UPDATE properties SET value=? WHERE key=?",{},1);
2310 $db_query->execute($value, $key);
2312 unless ( $db_query->rows )
2314 $db_query = $self->{dbh}->prepare_cached("INSERT INTO properties (key, value) VALUES (?,?)",{},1);
2315 $db_query->execute($key, $value);
2329 return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
2331 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM head",{},1);
2332 $db_query->execute();
2335 while ( my $file = $db_query->fetchrow_hashref )
2340 $self->{gethead_cache} = $tree;
2352 my $filename = shift;
2354 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2355 $db_query->execute($filename);
2358 while ( my $file = $db_query->fetchrow_hashref )
2368 This function takes a filename (with path) argument and returns a hashref of
2369 metadata for that file.
2376 my $filename = shift;
2377 my $revision = shift;
2380 if ( defined($revision) and $revision =~ /^\d+$/ )
2382 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND revision=?",{},1);
2383 $db_query->execute($filename, $revision);
2385 elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
2387 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND commithash=?",{},1);
2388 $db_query->execute($filename, $revision);
2390 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM head WHERE name=?",{},1);
2391 $db_query->execute($filename);
2394 return $db_query->fetchrow_hashref;
2397 =head2 commitmessage
2399 this function takes a commithash and returns the commit message for that commit
2405 my $commithash = shift;
2407 die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
2410 $db_query = $self->{dbh}->prepare_cached("SELECT value FROM commitmsgs WHERE key=?",{},1);
2411 $db_query->execute($commithash);
2413 my ( $message ) = $db_query->fetchrow_array;
2415 if ( defined ( $message ) )
2417 $message .= " " if ( $message =~ /\n$/ );
2421 my @lines = safe_pipe_capture("git-cat-file", "commit", $commithash);
2422 shift @lines while ( $lines[0] =~ /\S/ );
2423 $message = join("",@lines);
2424 $message .= " " if ( $message =~ /\n$/ );
2430 This function takes a filename (with path) argument and returns an arrayofarrays
2431 containing revision,filehash,commithash ordered by revision descending
2437 my $filename = shift;
2440 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2441 $db_query->execute($filename);
2443 return $db_query->fetchall_arrayref;
2446 =head2 gethistorydense
2448 This function takes a filename (with path) argument and returns an arrayofarrays
2449 containing revision,filehash,commithash ordered by revision descending.
2451 This version of gethistory skips deleted entries -- so it is useful for annotate.
2452 The 'dense' part is a reference to a '--dense' option available for git-rev-list
2453 and other git tools that depend on it.
2459 my $filename = shift;
2462 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
2463 $db_query->execute($filename);
2465 return $db_query->fetchall_arrayref;
2470 from Array::PAT - mimics the in_array() function
2471 found in PHP. Yuck but works for small arrays.
2476 my ($check, @array) = @_;
2478 foreach my $test (@array){
2479 if($check eq $test){
2486 =head2 safe_pipe_capture
2488 an alterative to `command` that allows input to be passed as an array
2489 to work around shell problems with weird characters in arguments
2492 sub safe_pipe_capture {
2496 if (my $pid = open my $child, '-|') {
2497 @output = (<$child>);
2498 close $child or die join(' ',@_).": $! $?";
2500 exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
2502 return wantarray ? @output : join('',@output);