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.
23 use File::Temp qw/tempdir tempfile/;
25 use Getopt::Long qw(:config require_order no_ignore_case);
27 my $VERSION = '@@GIT_VERSION@@';
29 my $log = GITCVS::log->new();
47 # Enable autoflush for STDOUT (otherwise the whole thing falls apart)
50 #### Definition and mappings of functions ####
54 'Valid-responses' => \&req_Validresponses,
55 'valid-requests' => \&req_validrequests,
56 'Directory' => \&req_Directory,
57 'Entry' => \&req_Entry,
58 'Modified' => \&req_Modified,
59 'Unchanged' => \&req_Unchanged,
60 'Questionable' => \&req_Questionable,
61 'Argument' => \&req_Argument,
62 'Argumentx' => \&req_Argument,
63 'expand-modules' => \&req_expandmodules,
65 'remove' => \&req_remove,
67 'update' => \&req_update,
72 'tag' => \&req_CATCHALL,
73 'status' => \&req_status,
74 'admin' => \&req_CATCHALL,
75 'history' => \&req_CATCHALL,
76 'watchers' => \&req_CATCHALL,
77 'editors' => \&req_CATCHALL,
78 'annotate' => \&req_annotate,
79 'Global_option' => \&req_Globaloption,
80 #'annotate' => \&req_CATCHALL,
83 ##############################################
86 # $state holds all the bits of information the clients sends us that could
87 # potentially be useful when it comes to actually _doing_ something.
88 my $state = { prependdir => '' };
89 $log->info("--------------- STARTING -----------------");
92 "Usage: git-cvsserver [options] [pserver|server] [<directory> ...]\n".
93 " --base-path <path> : Prepend to requested CVSROOT\n".
94 " --strict-paths : Don't allow recursing into subdirectories\n".
95 " --export-all : Don't check for gitcvs.enabled in config\n".
96 " --version, -V : Print version information and exit\n".
97 " --help, -h, -H : Print usage information and exit\n".
99 "<directory> ... is a list of allowed directories. If no directories\n".
100 "are given, all are allowed. This is an additional restriction, gitcvs\n".
101 "access still needs to be enabled by the gitcvs.enabled config option.\n";
103 my @opts = ( 'help|h|H', 'version|V',
104 'base-path=s', 'strict-paths', 'export-all' );
105 GetOptions( $state, @opts )
108 if ($state->{version}) {
109 print "git-cvsserver version $VERSION\n";
112 if ($state->{help}) {
117 my $TEMP_DIR = tempdir( CLEANUP => 1 );
118 $log->debug("Temporary directory is '$TEMP_DIR'");
120 $state->{method} = 'ext';
122 if ($ARGV[0] eq 'pserver') {
123 $state->{method} = 'pserver';
125 } elsif ($ARGV[0] eq 'server') {
130 # everything else is a directory
131 $state->{allowed_roots} = [ @ARGV ];
133 # don't export the whole system unless the users requests it
134 if ($state->{'export-all'} && !@{$state->{allowed_roots}}) {
135 die "--export-all can only be used together with an explicit whitelist\n";
138 # if we are called with a pserver argument,
139 # deal with the authentication cat before entering the
141 if ($state->{method} eq 'pserver') {
142 my $line = <STDIN>; chomp $line;
143 unless( $line =~ /^BEGIN (AUTH|VERIFICATION) REQUEST$/) {
144 die "E Do not understand $line - expecting BEGIN AUTH REQUEST\n";
147 $line = <STDIN>; chomp $line;
148 unless (req_Root('root', $line)) { # reuse Root
149 print "E Invalid root $line \n";
152 $line = <STDIN>; chomp $line;
153 unless ($line eq 'anonymous') {
154 print "E Only anonymous user allowed via pserver\n";
155 print "I HATE YOU\n";
158 $line = <STDIN>; chomp $line; # validate the password?
159 $line = <STDIN>; chomp $line;
160 unless ($line eq "END $request REQUEST") {
161 die "E Do not understand $line -- expecting END $request REQUEST\n";
163 print "I LOVE YOU\n";
164 exit if $request eq 'VERIFICATION'; # cvs login
165 # and now back to our regular programme...
168 # Keep going until the client closes the connection
173 # Check to see if we've seen this method, and call appropriate function.
174 if ( /^([\w-]+)(?:\s+(.*))?$/ and defined($methods->{$1}) )
176 # use the $methods hash to call the appropriate sub for this command
177 #$log->info("Method : $1");
178 &{$methods->{$1}}($1,$2);
180 # log fatal because we don't understand this function. If this happens
181 # we're fairly screwed because we don't know if the client is expecting
182 # a response. If it is, the client will hang, we'll hang, and the whole
183 # thing will be custard.
184 $log->fatal("Don't understand command $_\n");
185 die("Unknown command $_");
189 $log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
190 $log->info("--------------- FINISH -----------------");
192 # Magic catchall method.
193 # This is the method that will handle all commands we haven't yet
194 # implemented. It simply sends a warning to the log file indicating a
195 # command that hasn't been implemented has been invoked.
198 my ( $cmd, $data ) = @_;
199 $log->warn("Unhandled command : req_$cmd : $data");
204 # Response expected: no. Tell the server which CVSROOT to use. Note that
205 # pathname is a local directory and not a fully qualified CVSROOT variable.
206 # pathname must already exist; if creating a new root, use the init
207 # request, not Root. pathname does not include the hostname of the server,
208 # how to access the server, etc.; by the time the CVS protocol is in use,
209 # connection, authentication, etc., are already taken care of. The Root
210 # request must be sent only once, and it must be sent before any requests
211 # other than Valid-responses, valid-requests, UseUnchanged, Set or init.
214 my ( $cmd, $data ) = @_;
215 $log->debug("req_Root : $data");
217 unless ($data =~ m#^/#) {
218 print "error 1 Root must be an absolute pathname\n";
222 my $cvsroot = $state->{'base-path'} || '';
226 if ($state->{CVSROOT}
227 && ($state->{CVSROOT} ne $cvsroot)) {
228 print "error 1 Conflicting roots specified\n";
232 $state->{CVSROOT} = $cvsroot;
234 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
236 if (@{$state->{allowed_roots}}) {
238 foreach my $dir (@{$state->{allowed_roots}}) {
239 next unless $dir =~ m#^/#;
241 if ($state->{'strict-paths'}) {
242 if ($ENV{GIT_DIR} =~ m#^\Q$dir\E/?$#) {
246 } elsif ($ENV{GIT_DIR} =~ m#^\Q$dir\E(/?$|/)#) {
253 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
255 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
260 unless (-d $ENV{GIT_DIR} && -e $ENV{GIT_DIR}.'HEAD') {
261 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
263 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
267 my @gitvars = `git-config -l`;
269 print "E problems executing git-config on the server -- this is not a git repository or the PATH is not set correctly.\n";
271 print "error 1 - problem executing git-config\n";
274 foreach my $line ( @gitvars )
276 next unless ( $line =~ /^(gitcvs)\.(?:(ext|pserver)\.)?([\w-]+)=(.*)$/ );
280 $cfg->{$1}{$2}{$3} = $4;
284 my $enabled = ($cfg->{gitcvs}{$state->{method}}{enabled}
285 || $cfg->{gitcvs}{enabled});
286 unless ($state->{'export-all'} ||
287 ($enabled && $enabled =~ /^\s*(1|true|yes)\s*$/i)) {
288 print "E GITCVS emulation needs to be enabled on this repo\n";
289 print "E the repo config file needs a [gitcvs] section added, and the parameter 'enabled' set to 1\n";
291 print "error 1 GITCVS emulation disabled\n";
295 my $logfile = $cfg->{gitcvs}{$state->{method}}{logfile} || $cfg->{gitcvs}{logfile};
298 $log->setfile($logfile);
306 # Global_option option \n
307 # Response expected: no. Transmit one of the global options `-q', `-Q',
308 # `-l', `-t', `-r', or `-n'. option must be one of those strings, no
309 # variations (such as combining of options) are allowed. For graceful
310 # handling of valid-requests, it is probably better to make new global
311 # options separate requests, rather than trying to add them to this
315 my ( $cmd, $data ) = @_;
316 $log->debug("req_Globaloption : $data");
317 $state->{globaloptions}{$data} = 1;
320 # Valid-responses request-list \n
321 # Response expected: no. Tell the server what responses the client will
322 # accept. request-list is a space separated list of tokens.
323 sub req_Validresponses
325 my ( $cmd, $data ) = @_;
326 $log->debug("req_Validresponses : $data");
328 # TODO : re-enable this, currently it's not particularly useful
329 #$state->{validresponses} = [ split /\s+/, $data ];
333 # Response expected: yes. Ask the server to send back a Valid-requests
335 sub req_validrequests
337 my ( $cmd, $data ) = @_;
339 $log->debug("req_validrequests");
341 $log->debug("SEND : Valid-requests " . join(" ",keys %$methods));
342 $log->debug("SEND : ok");
344 print "Valid-requests " . join(" ",keys %$methods) . "\n";
348 # Directory local-directory \n
349 # Additional data: repository \n. Response expected: no. Tell the server
350 # what directory to use. The repository should be a directory name from a
351 # previous server response. Note that this both gives a default for Entry
352 # and Modified and also for ci and the other commands; normal usage is to
353 # send Directory for each directory in which there will be an Entry or
354 # Modified, and then a final Directory for the original directory, then the
355 # command. The local-directory is relative to the top level at which the
356 # command is occurring (i.e. the last Directory which is sent before the
357 # command); to indicate that top level, `.' should be sent for
361 my ( $cmd, $data ) = @_;
363 my $repository = <STDIN>;
367 $state->{localdir} = $data;
368 $state->{repository} = $repository;
369 $state->{path} = $repository;
370 $state->{path} =~ s/^$state->{CVSROOT}\///;
371 $state->{module} = $1 if ($state->{path} =~ s/^(.*?)(\/|$)//);
372 $state->{path} .= "/" if ( $state->{path} =~ /\S/ );
374 $state->{directory} = $state->{localdir};
375 $state->{directory} = "" if ( $state->{directory} eq "." );
376 $state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
378 if ( (not defined($state->{prependdir}) or $state->{prependdir} eq '') and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
380 $log->info("Setting prepend to '$state->{path}'");
381 $state->{prependdir} = $state->{path};
382 foreach my $entry ( keys %{$state->{entries}} )
384 $state->{entries}{$state->{prependdir} . $entry} = $state->{entries}{$entry};
385 delete $state->{entries}{$entry};
389 if ( defined ( $state->{prependdir} ) )
391 $log->debug("Prepending '$state->{prependdir}' to state|directory");
392 $state->{directory} = $state->{prependdir} . $state->{directory}
394 $log->debug("req_Directory : localdir=$data repository=$repository path=$state->{path} directory=$state->{directory} module=$state->{module}");
397 # Entry entry-line \n
398 # Response expected: no. Tell the server what version of a file is on the
399 # local machine. The name in entry-line is a name relative to the directory
400 # most recently specified with Directory. If the user is operating on only
401 # some files in a directory, Entry requests for only those files need be
402 # included. If an Entry request is sent without Modified, Is-modified, or
403 # Unchanged, it means the file is lost (does not exist in the working
404 # directory). If both Entry and one of Modified, Is-modified, or Unchanged
405 # are sent for the same file, Entry must be sent first. For a given file,
406 # one can send Modified, Is-modified, or Unchanged, but not more than one
410 my ( $cmd, $data ) = @_;
412 #$log->debug("req_Entry : $data");
414 my @data = split(/\//, $data);
416 $state->{entries}{$state->{directory}.$data[1]} = {
417 revision => $data[2],
418 conflict => $data[3],
420 tag_or_date => $data[5],
423 $log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'");
426 # Questionable filename \n
427 # Response expected: no. Additional data: no. Tell the server to check
428 # whether filename should be ignored, and if not, next time the server
429 # sends responses, send (in a M response) `?' followed by the directory and
430 # filename. filename must not contain `/'; it needs to be a file in the
431 # directory named by the most recent Directory request.
434 my ( $cmd, $data ) = @_;
436 $log->debug("req_Questionable : $data");
437 $state->{entries}{$state->{directory}.$data}{questionable} = 1;
441 # Response expected: yes. Add a file or directory. This uses any previous
442 # Argument, Directory, Entry, or Modified requests, if they have been sent.
443 # The last Directory sent specifies the working directory at the time of
444 # the operation. To add a directory, send the directory to be added using
445 # Directory and Argument requests.
448 my ( $cmd, $data ) = @_;
452 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
455 argsfromdir($updater);
459 foreach my $filename ( @{$state->{args}} )
461 $filename = filecleanup($filename);
463 my $meta = $updater->getmeta($filename);
464 my $wrev = revparse($filename);
466 if ($wrev && $meta && ($wrev < 0))
468 # previously removed file, add back
469 $log->info("added file $filename was previously removed, send 1.$meta->{revision}");
471 print "MT +updated\n";
472 print "MT text U \n";
473 print "MT fname $filename\n";
474 print "MT newline\n";
475 print "MT -updated\n";
477 unless ( $state->{globaloptions}{-n} )
479 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
481 print "Created $dirpart\n";
482 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
484 # this is an "entries" line
485 my $kopts = kopts_from_path($filepart);
486 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
487 print "/$filepart/1.$meta->{revision}//$kopts/\n";
489 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
490 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
492 transmitfile($meta->{filehash});
498 unless ( defined ( $state->{entries}{$filename}{modified_filename} ) )
500 print "E cvs add: nothing known about `$filename'\n";
503 # TODO : check we're not squashing an already existing file
504 if ( defined ( $state->{entries}{$filename}{revision} ) )
506 print "E cvs add: `$filename' has already been entered\n";
510 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
512 print "E cvs add: scheduling file `$filename' for addition\n";
514 print "Checked-in $dirpart\n";
516 my $kopts = kopts_from_path($filepart);
517 print "/$filepart/0//$kopts/\n";
522 if ( $addcount == 1 )
524 print "E cvs add: use `cvs commit' to add this file permanently\n";
526 elsif ( $addcount > 1 )
528 print "E cvs add: use `cvs commit' to add these files permanently\n";
535 # Response expected: yes. Remove a file. This uses any previous Argument,
536 # Directory, Entry, or Modified requests, if they have been sent. The last
537 # Directory sent specifies the working directory at the time of the
538 # operation. Note that this request does not actually do anything to the
539 # repository; the only effect of a successful remove request is to supply
540 # the client with a new entries line containing `-' to indicate a removed
541 # file. In fact, the client probably could perform this operation without
542 # contacting the server, although using remove may cause the server to
543 # perform a few more checks. The client sends a subsequent ci request to
544 # actually record the removal in the repository.
547 my ( $cmd, $data ) = @_;
551 # Grab a handle to the SQLite db and do any necessary updates
552 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
555 #$log->debug("add state : " . Dumper($state));
559 foreach my $filename ( @{$state->{args}} )
561 $filename = filecleanup($filename);
563 if ( defined ( $state->{entries}{$filename}{unchanged} ) or defined ( $state->{entries}{$filename}{modified_filename} ) )
565 print "E cvs remove: file `$filename' still in working directory\n";
569 my $meta = $updater->getmeta($filename);
570 my $wrev = revparse($filename);
572 unless ( defined ( $wrev ) )
574 print "E cvs remove: nothing known about `$filename'\n";
578 if ( defined($wrev) and $wrev < 0 )
580 print "E cvs remove: file `$filename' already scheduled for removal\n";
584 unless ( $wrev == $meta->{revision} )
586 # TODO : not sure if the format of this message is quite correct.
587 print "E cvs remove: Up to date check failed for `$filename'\n";
592 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
594 print "E cvs remove: scheduling `$filename' for removal\n";
596 print "Checked-in $dirpart\n";
598 my $kopts = kopts_from_path($filepart);
599 print "/$filepart/-1.$wrev//$kopts/\n";
606 print "E cvs remove: use `cvs commit' to remove this file permanently\n";
608 elsif ( $rmcount > 1 )
610 print "E cvs remove: use `cvs commit' to remove these files permanently\n";
616 # Modified filename \n
617 # Response expected: no. Additional data: mode, \n, file transmission. Send
618 # the server a copy of one locally modified file. filename is a file within
619 # the most recent directory sent with Directory; it must not contain `/'.
620 # If the user is operating on only some files in a directory, only those
621 # files need to be included. This can also be sent without Entry, if there
622 # is no entry for the file.
625 my ( $cmd, $data ) = @_;
629 or (print "E end of file reading mode for $data\n"), return;
633 or (print "E end of file reading size of $data\n"), return;
636 # Grab config information
637 my $blocksize = 8192;
638 my $bytesleft = $size;
641 # Get a filehandle/name to write it to
642 my ( $fh, $filename ) = tempfile( DIR => $TEMP_DIR );
644 # Loop over file data writing out to temporary file.
647 $blocksize = $bytesleft if ( $bytesleft < $blocksize );
648 read STDIN, $tmp, $blocksize;
650 $bytesleft -= $blocksize;
654 or (print "E failed to write temporary, $filename: $!\n"), return;
656 # Ensure we have something sensible for the file mode
657 if ( $mode =~ /u=(\w+)/ )
664 # Save the file data in $state
665 $state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
666 $state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
667 $state->{entries}{$state->{directory}.$data}{modified_hash} = `git-hash-object $filename`;
668 $state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
670 #$log->debug("req_Modified : file=$data mode=$mode size=$size");
673 # Unchanged filename \n
674 # Response expected: no. Tell the server that filename has not been
675 # modified in the checked out directory. The filename is a file within the
676 # most recent directory sent with Directory; it must not contain `/'.
679 my ( $cmd, $data ) = @_;
681 $state->{entries}{$state->{directory}.$data}{unchanged} = 1;
683 #$log->debug("req_Unchanged : $data");
687 # Response expected: no. Save argument for use in a subsequent command.
688 # Arguments accumulate until an argument-using command is given, at which
689 # point they are forgotten.
691 # Response expected: no. Append \n followed by text to the current argument
695 my ( $cmd, $data ) = @_;
697 # Argumentx means: append to last Argument (with a newline in front)
699 $log->debug("$cmd : $data");
701 if ( $cmd eq 'Argumentx') {
702 ${$state->{arguments}}[$#{$state->{arguments}}] .= "\n" . $data;
704 push @{$state->{arguments}}, $data;
709 # Response expected: yes. Expand the modules which are specified in the
710 # arguments. Returns the data in Module-expansion responses. Note that the
711 # server can assume that this is checkout or export, not rtag or rdiff; the
712 # latter do not access the working directory and thus have no need to
713 # expand modules on the client side. Expand may not be the best word for
714 # what this request does. It does not necessarily tell you all the files
715 # contained in a module, for example. Basically it is a way of telling you
716 # which working directories the server needs to know about in order to
717 # handle a checkout of the specified modules. For example, suppose that the
718 # server has a module defined by
719 # aliasmodule -a 1dir
720 # That is, one can check out aliasmodule and it will take 1dir in the
721 # repository and check it out to 1dir in the working directory. Now suppose
722 # the client already has this module checked out and is planning on using
723 # the co request to update it. Without using expand-modules, the client
724 # would have two bad choices: it could either send information about all
725 # working directories under the current directory, which could be
726 # unnecessarily slow, or it could be ignorant of the fact that aliasmodule
727 # stands for 1dir, and neglect to send information for 1dir, which would
728 # lead to incorrect operation. With expand-modules, the client would first
729 # ask for the module to be expanded:
730 sub req_expandmodules
732 my ( $cmd, $data ) = @_;
736 $log->debug("req_expandmodules : " . ( defined($data) ? $data : "[NULL]" ) );
738 unless ( ref $state->{arguments} eq "ARRAY" )
744 foreach my $module ( @{$state->{arguments}} )
746 $log->debug("SEND : Module-expansion $module");
747 print "Module-expansion $module\n";
755 # Response expected: yes. Get files from the repository. This uses any
756 # previous Argument, Directory, Entry, or Modified requests, if they have
757 # been sent. Arguments to this command are module names; the client cannot
758 # know what directories they correspond to except by (1) just sending the
759 # co request, and then seeing what directory names the server sends back in
760 # its responses, and (2) the expand-modules request.
763 my ( $cmd, $data ) = @_;
767 my $module = $state->{args}[0];
768 my $checkout_path = $module;
770 # use the user specified directory if we're given it
771 $checkout_path = $state->{opt}{d} if ( exists ( $state->{opt}{d} ) );
773 $log->debug("req_co : " . ( defined($data) ? $data : "[NULL]" ) );
775 $log->info("Checking out module '$module' ($state->{CVSROOT}) to '$checkout_path'");
777 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
779 # Grab a handle to the SQLite db and do any necessary updates
780 my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
783 $checkout_path =~ s|/$||; # get rid of trailing slashes
785 # Eclipse seems to need the Clear-sticky command
786 # to prepare the 'Entries' file for the new directory.
787 print "Clear-sticky $checkout_path/\n";
788 print $state->{CVSROOT} . "/$module/\n";
789 print "Clear-static-directory $checkout_path/\n";
790 print $state->{CVSROOT} . "/$module/\n";
791 print "Clear-sticky $checkout_path/\n"; # yes, twice
792 print $state->{CVSROOT} . "/$module/\n";
793 print "Template $checkout_path/\n";
794 print $state->{CVSROOT} . "/$module/\n";
797 # instruct the client that we're checking out to $checkout_path
798 print "E cvs checkout: Updating $checkout_path\n";
805 my ($dir, $repodir, $remotedir, $seendirs) = @_;
806 my $parent = dirname($dir);
809 $remotedir =~ s|/+$||;
811 $log->debug("announcedir $dir, $repodir, $remotedir" );
813 if ($parent eq '.' || $parent eq './') {
816 # recurse to announce unseen parents first
817 if (length($parent) && !exists($seendirs->{$parent})) {
818 prepdir($parent, $repodir, $remotedir, $seendirs);
820 # Announce that we are going to modify at the parent level
822 print "E cvs checkout: Updating $remotedir/$parent\n";
824 print "E cvs checkout: Updating $remotedir\n";
826 print "Clear-sticky $remotedir/$parent/\n";
827 print "$repodir/$parent/\n";
829 print "Clear-static-directory $remotedir/$dir/\n";
830 print "$repodir/$dir/\n";
831 print "Clear-sticky $remotedir/$parent/\n"; # yes, twice
832 print "$repodir/$parent/\n";
833 print "Template $remotedir/$dir/\n";
834 print "$repodir/$dir/\n";
837 $seendirs->{$dir} = 1;
840 foreach my $git ( @{$updater->gethead} )
842 # Don't want to check out deleted files
843 next if ( $git->{filehash} eq "deleted" );
845 ( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
847 if (length($git->{dir}) && $git->{dir} ne './'
848 && $git->{dir} ne $lastdir ) {
849 unless (exists($seendirs{$git->{dir}})) {
850 prepdir($git->{dir}, $state->{CVSROOT} . "/$module/",
851 $checkout_path, \%seendirs);
852 $lastdir = $git->{dir};
853 $seendirs{$git->{dir}} = 1;
855 print "E cvs checkout: Updating /$checkout_path/$git->{dir}\n";
858 # modification time of this file
859 print "Mod-time $git->{modified}\n";
861 # print some information to the client
862 if ( defined ( $git->{dir} ) and $git->{dir} ne "./" )
864 print "M U $checkout_path/$git->{dir}$git->{name}\n";
866 print "M U $checkout_path/$git->{name}\n";
869 # instruct client we're sending a file to put in this path
870 print "Created $checkout_path/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "\n";
872 print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
874 # this is an "entries" line
875 my $kopts = kopts_from_path($git->{name});
876 print "/$git->{name}/1.$git->{revision}//$kopts/\n";
878 print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
881 transmitfile($git->{filehash});
890 # Response expected: yes. Actually do a cvs update command. This uses any
891 # previous Argument, Directory, Entry, or Modified requests, if they have
892 # been sent. The last Directory sent specifies the working directory at the
893 # time of the operation. The -I option is not used--files which the client
894 # can decide whether to ignore are not mentioned and the client sends the
895 # Questionable request for others.
898 my ( $cmd, $data ) = @_;
900 $log->debug("req_update : " . ( defined($data) ? $data : "[NULL]" ));
905 # It may just be a client exploring the available heads/modules
906 # in that case, list them as top level directories and leave it
907 # at that. Eclipse uses this technique to offer you a list of
908 # projects (heads in this case) to checkout.
910 if ($state->{module} eq '') {
911 my $heads_dir = $state->{CVSROOT} . '/refs/heads';
912 if (!opendir HEADS, $heads_dir) {
913 print "E [server aborted]: Failed to open directory, "
914 . "$heads_dir: $!\nerror\n";
917 print "E cvs update: Updating .\n";
918 while (my $head = readdir(HEADS)) {
919 if (-f $state->{CVSROOT} . '/refs/heads/' . $head) {
920 print "E cvs update: New directory `$head'\n";
929 # Grab a handle to the SQLite db and do any necessary updates
930 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
934 argsfromdir($updater);
936 #$log->debug("update state : " . Dumper($state));
938 # foreach file specified on the command line ...
939 foreach my $filename ( @{$state->{args}} )
941 $filename = filecleanup($filename);
943 $log->debug("Processing file $filename");
945 # if we have a -C we should pretend we never saw modified stuff
946 if ( exists ( $state->{opt}{C} ) )
948 delete $state->{entries}{$filename}{modified_hash};
949 delete $state->{entries}{$filename}{modified_filename};
950 $state->{entries}{$filename}{unchanged} = 1;
954 if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
956 $meta = $updater->getmeta($filename, $1);
958 $meta = $updater->getmeta($filename);
961 if ( ! defined $meta )
972 my $wrev = revparse($filename);
974 # If the working copy is an old revision, lets get that version too for comparison.
975 if ( defined($wrev) and $wrev != $meta->{revision} )
977 $oldmeta = $updater->getmeta($filename, $wrev);
980 #$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
982 # Files are up to date if the working copy and repo copy have the same revision,
983 # and the working copy is unmodified _and_ the user hasn't specified -C
984 next if ( defined ( $wrev )
985 and defined($meta->{revision})
986 and $wrev == $meta->{revision}
987 and $state->{entries}{$filename}{unchanged}
988 and not exists ( $state->{opt}{C} ) );
990 # If the working copy and repo copy have the same revision,
991 # but the working copy is modified, tell the client it's modified
992 if ( defined ( $wrev )
993 and defined($meta->{revision})
994 and $wrev == $meta->{revision}
995 and defined($state->{entries}{$filename}{modified_hash})
996 and not exists ( $state->{opt}{C} ) )
998 $log->info("Tell the client the file is modified");
999 print "MT text M \n";
1000 print "MT fname $filename\n";
1001 print "MT newline\n";
1005 if ( $meta->{filehash} eq "deleted" )
1007 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
1009 $log->info("Removing '$filename' from working copy (no longer in the repo)");
1011 print "E cvs update: `$filename' is no longer in the repository\n";
1012 # Don't want to actually _DO_ the update if -n specified
1013 unless ( $state->{globaloptions}{-n} ) {
1014 print "Removed $dirpart\n";
1015 print "$filepart\n";
1018 elsif ( not defined ( $state->{entries}{$filename}{modified_hash} )
1019 or $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash}
1020 or $meta->{filehash} eq 'added' )
1022 # normal update, just send the new revision (either U=Update,
1023 # or A=Add, or R=Remove)
1024 if ( defined($wrev) && $wrev < 0 )
1026 $log->info("Tell the client the file is scheduled for removal");
1027 print "MT text R \n";
1028 print "MT fname $filename\n";
1029 print "MT newline\n";
1032 elsif ( (!defined($wrev) || $wrev == 0) && (!defined($meta->{revision}) || $meta->{revision} == 0) )
1034 $log->info("Tell the client the file is scheduled for addition");
1035 print "MT text A \n";
1036 print "MT fname $filename\n";
1037 print "MT newline\n";
1042 $log->info("Updating '$filename' to ".$meta->{revision});
1043 print "MT +updated\n";
1044 print "MT text U \n";
1045 print "MT fname $filename\n";
1046 print "MT newline\n";
1047 print "MT -updated\n";
1050 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
1052 # Don't want to actually _DO_ the update if -n specified
1053 unless ( $state->{globaloptions}{-n} )
1055 if ( defined ( $wrev ) )
1057 # instruct client we're sending a file to put in this path as a replacement
1058 print "Update-existing $dirpart\n";
1059 $log->debug("Updating existing file 'Update-existing $dirpart'");
1061 # instruct client we're sending a file to put in this path as a new file
1062 print "Clear-static-directory $dirpart\n";
1063 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
1064 print "Clear-sticky $dirpart\n";
1065 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
1067 $log->debug("Creating new file 'Created $dirpart'");
1068 print "Created $dirpart\n";
1070 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1072 # this is an "entries" line
1073 my $kopts = kopts_from_path($filepart);
1074 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
1075 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1078 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
1079 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
1082 transmitfile($meta->{filehash});
1085 $log->info("Updating '$filename'");
1086 my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
1088 my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/";
1091 my $file_local = $filepart . ".mine";
1092 system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
1093 my $file_old = $filepart . "." . $oldmeta->{revision};
1094 transmitfile($oldmeta->{filehash}, $file_old);
1095 my $file_new = $filepart . "." . $meta->{revision};
1096 transmitfile($meta->{filehash}, $file_new);
1098 # we need to merge with the local changes ( M=successful merge, C=conflict merge )
1099 $log->info("Merging $file_local, $file_old, $file_new");
1100 print "M Merging differences between 1.$oldmeta->{revision} and 1.$meta->{revision} into $filename\n";
1102 $log->debug("Temporary directory for merge is $dir");
1104 my $return = system("git", "merge-file", $file_local, $file_old, $file_new);
1109 $log->info("Merged successfully");
1110 print "M M $filename\n";
1111 $log->debug("Merged $dirpart");
1113 # Don't want to actually _DO_ the update if -n specified
1114 unless ( $state->{globaloptions}{-n} )
1116 print "Merged $dirpart\n";
1117 $log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
1118 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1119 my $kopts = kopts_from_path($filepart);
1120 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
1121 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1124 elsif ( $return == 1 )
1126 $log->info("Merged with conflicts");
1127 print "E cvs update: conflicts found in $filename\n";
1128 print "M C $filename\n";
1130 # Don't want to actually _DO_ the update if -n specified
1131 unless ( $state->{globaloptions}{-n} )
1133 print "Merged $dirpart\n";
1134 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1135 my $kopts = kopts_from_path($filepart);
1136 print "/$filepart/1.$meta->{revision}/+/$kopts/\n";
1141 $log->warn("Merge failed");
1145 # Don't want to actually _DO_ the update if -n specified
1146 unless ( $state->{globaloptions}{-n} )
1149 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
1150 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
1152 # transmit file, format is single integer on a line by itself (file
1153 # size) followed by the file contents
1154 # TODO : we should copy files in blocks
1155 my $data = `cat $file_local`;
1156 $log->debug("File size : " . length($data));
1157 print length($data) . "\n";
1171 my ( $cmd, $data ) = @_;
1175 #$log->debug("State : " . Dumper($state));
1177 $log->info("req_ci : " . ( defined($data) ? $data : "[NULL]" ));
1179 if ( $state->{method} eq 'pserver')
1181 print "error 1 pserver access cannot commit\n";
1185 if ( -e $state->{CVSROOT} . "/index" )
1187 $log->warn("file 'index' already exists in the git repository");
1188 print "error 1 Index already exists in git repo\n";
1192 # Grab a handle to the SQLite db and do any necessary updates
1193 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1196 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1197 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1198 $log->info("Lockless commit start, basing commit on '$tmpdir', index file is '$file_index'");
1200 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1201 $ENV{GIT_WORK_TREE} = ".";
1202 $ENV{GIT_INDEX_FILE} = $file_index;
1204 # Remember where the head was at the beginning.
1205 my $parenthash = `git show-ref -s refs/heads/$state->{module}`;
1207 if ($parenthash !~ /^[0-9a-f]{40}$/) {
1208 print "error 1 pserver cannot find the current HEAD of module";
1214 # populate the temporary index
1215 system("git-read-tree", $parenthash);
1218 die "Error running git-read-tree $state->{module} $file_index $!";
1220 $log->info("Created index '$file_index' for head $state->{module} - exit status $?");
1222 my @committedfiles = ();
1225 # foreach file specified on the command line ...
1226 foreach my $filename ( @{$state->{args}} )
1228 my $committedfile = $filename;
1229 $filename = filecleanup($filename);
1231 next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
1233 my $meta = $updater->getmeta($filename);
1234 $oldmeta{$filename} = $meta;
1236 my $wrev = revparse($filename);
1238 my ( $filepart, $dirpart ) = filenamesplit($filename);
1240 # do a checkout of the file if it is part of this tree
1242 system('git-checkout-index', '-f', '-u', $filename);
1244 die "Error running git-checkout-index -f -u $filename : $!";
1250 $rmflag = 1 if ( defined($wrev) and $wrev < 0 );
1251 $addflag = 1 unless ( -e $filename );
1253 # Do up to date checking
1254 unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
1256 # fail everything if an up to date check fails
1257 print "error 1 Up to date check failed for $filename\n";
1262 push @committedfiles, $committedfile;
1263 $log->info("Committing $filename");
1265 system("mkdir","-p",$dirpart) unless ( -d $dirpart );
1269 $log->debug("rename $state->{entries}{$filename}{modified_filename} $filename");
1270 rename $state->{entries}{$filename}{modified_filename},$filename;
1272 # Calculate modes to remove
1274 foreach ( qw (r w x) ) { $invmode .= $_ unless ( $state->{entries}{$filename}{modified_mode} =~ /$_/ ); }
1276 $log->debug("chmod u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode . " $filename");
1277 system("chmod","u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode, $filename);
1282 $log->info("Removing file '$filename'");
1284 system("git-update-index", "--remove", $filename);
1288 $log->info("Adding file '$filename'");
1289 system("git-update-index", "--add", $filename);
1291 $log->info("Updating file '$filename'");
1292 system("git-update-index", $filename);
1296 unless ( scalar(@committedfiles) > 0 )
1298 print "E No files to commit\n";
1304 my $treehash = `git-write-tree`;
1307 $log->debug("Treehash : $treehash, Parenthash : $parenthash");
1309 # write our commit message out if we have one ...
1310 my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
1311 print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
1312 print $msg_fh "\n\nvia git-CVS emulator\n";
1315 my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`;
1317 $log->info("Commit hash : $commithash");
1319 unless ( $commithash =~ /[a-zA-Z0-9]{40}/ )
1321 $log->warn("Commit failed (Invalid commit hash)");
1322 print "error 1 Commit failed (unknown reason)\n";
1327 ### Emulate git-receive-pack by running hooks/update
1328 my @hook = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
1329 $parenthash, $commithash );
1331 unless( system( @hook ) == 0 )
1333 $log->warn("Commit failed (update hook declined to update ref)");
1334 print "error 1 Commit failed (update hook declined)\n";
1341 if (system(qw(git update-ref -m), "cvsserver ci",
1342 "refs/heads/$state->{module}", $commithash, $parenthash)) {
1343 $log->warn("update-ref for $state->{module} failed.");
1344 print "error 1 Cannot commit -- update first\n";
1348 ### Emulate git-receive-pack by running hooks/post-receive
1349 my $hook = $ENV{GIT_DIR}.'hooks/post-receive';
1351 open(my $pipe, "| $hook") || die "can't fork $!";
1353 local $SIG{PIPE} = sub { die 'pipe broke' };
1355 print $pipe "$parenthash $commithash refs/heads/$state->{module}\n";
1357 close $pipe || die "bad pipe: $! $?";
1360 ### Then hooks/post-update
1361 $hook = $ENV{GIT_DIR}.'hooks/post-update';
1363 system($hook, "refs/heads/$state->{module}");
1368 # foreach file specified on the command line ...
1369 foreach my $filename ( @committedfiles )
1371 $filename = filecleanup($filename);
1373 my $meta = $updater->getmeta($filename);
1374 unless (defined $meta->{revision}) {
1375 $meta->{revision} = 1;
1378 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
1380 $log->debug("Checked-in $dirpart : $filename");
1382 print "M $state->{CVSROOT}/$state->{module}/$filename,v <-- $dirpart$filepart\n";
1383 if ( defined $meta->{filehash} && $meta->{filehash} eq "deleted" )
1385 print "M new revision: delete; previous revision: 1.$oldmeta{$filename}{revision}\n";
1386 print "Remove-entry $dirpart\n";
1387 print "$filename\n";
1389 if ($meta->{revision} == 1) {
1390 print "M initial revision: 1.1\n";
1392 print "M new revision: 1.$meta->{revision}; previous revision: 1.$oldmeta{$filename}{revision}\n";
1394 print "Checked-in $dirpart\n";
1395 print "$filename\n";
1396 my $kopts = kopts_from_path($filepart);
1397 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1407 my ( $cmd, $data ) = @_;
1411 $log->info("req_status : " . ( defined($data) ? $data : "[NULL]" ));
1412 #$log->debug("status state : " . Dumper($state));
1414 # Grab a handle to the SQLite db and do any necessary updates
1415 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1418 # if no files were specified, we need to work out what files we should be providing status on ...
1419 argsfromdir($updater);
1421 # foreach file specified on the command line ...
1422 foreach my $filename ( @{$state->{args}} )
1424 $filename = filecleanup($filename);
1426 my $meta = $updater->getmeta($filename);
1427 my $oldmeta = $meta;
1429 my $wrev = revparse($filename);
1431 # If the working copy is an old revision, lets get that version too for comparison.
1432 if ( defined($wrev) and $wrev != $meta->{revision} )
1434 $oldmeta = $updater->getmeta($filename, $wrev);
1437 # TODO : All possible statuses aren't yet implemented
1439 # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1440 $status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
1442 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1443 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
1446 # Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
1447 $status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
1449 ( $state->{entries}{$filename}{unchanged}
1450 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
1453 # Need checkout if it exists in the repo but doesn't have a working copy
1454 $status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
1456 # Locally modified if working copy and repo copy have the same revision but there are local changes
1457 $status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
1459 # Needs Merge if working copy revision is less than repo copy and there are local changes
1460 $status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
1462 $status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
1463 $status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
1464 $status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
1465 $status ||= "File had conflicts on merge" if ( 0 );
1467 $status ||= "Unknown";
1469 print "M ===================================================================\n";
1470 print "M File: $filename\tStatus: $status\n";
1471 if ( defined($state->{entries}{$filename}{revision}) )
1473 print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
1475 print "M Working revision:\tNo entry for $filename\n";
1477 if ( defined($meta->{revision}) )
1479 print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{CVSROOT}/$state->{module}/$filename,v\n";
1480 print "M Sticky Tag:\t\t(none)\n";
1481 print "M Sticky Date:\t\t(none)\n";
1482 print "M Sticky Options:\t\t(none)\n";
1484 print "M Repository revision:\tNo revision control file\n";
1494 my ( $cmd, $data ) = @_;
1498 $log->debug("req_diff : " . ( defined($data) ? $data : "[NULL]" ));
1499 #$log->debug("status state : " . Dumper($state));
1501 my ($revision1, $revision2);
1502 if ( defined ( $state->{opt}{r} ) and ref $state->{opt}{r} eq "ARRAY" )
1504 $revision1 = $state->{opt}{r}[0];
1505 $revision2 = $state->{opt}{r}[1];
1507 $revision1 = $state->{opt}{r};
1510 $revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
1511 $revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
1513 $log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
1515 # Grab a handle to the SQLite db and do any necessary updates
1516 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1519 # if no files were specified, we need to work out what files we should be providing status on ...
1520 argsfromdir($updater);
1522 # foreach file specified on the command line ...
1523 foreach my $filename ( @{$state->{args}} )
1525 $filename = filecleanup($filename);
1527 my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
1529 my $wrev = revparse($filename);
1531 # We need _something_ to diff against
1532 next unless ( defined ( $wrev ) );
1534 # if we have a -r switch, use it
1535 if ( defined ( $revision1 ) )
1537 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1538 $meta1 = $updater->getmeta($filename, $revision1);
1539 unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
1541 print "E File $filename at revision 1.$revision1 doesn't exist\n";
1544 transmitfile($meta1->{filehash}, $file1);
1546 # otherwise we just use the working copy revision
1549 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1550 $meta1 = $updater->getmeta($filename, $wrev);
1551 transmitfile($meta1->{filehash}, $file1);
1554 # if we have a second -r switch, use it too
1555 if ( defined ( $revision2 ) )
1557 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1558 $meta2 = $updater->getmeta($filename, $revision2);
1560 unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
1562 print "E File $filename at revision 1.$revision2 doesn't exist\n";
1566 transmitfile($meta2->{filehash}, $file2);
1568 # otherwise we just use the working copy
1571 $file2 = $state->{entries}{$filename}{modified_filename};
1574 # if we have been given -r, and we don't have a $file2 yet, lets get one
1575 if ( defined ( $revision1 ) and not defined ( $file2 ) )
1577 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1578 $meta2 = $updater->getmeta($filename, $wrev);
1579 transmitfile($meta2->{filehash}, $file2);
1582 # We need to have retrieved something useful
1583 next unless ( defined ( $meta1 ) );
1585 # Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1586 next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
1588 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1589 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
1592 # Apparently we only show diffs for locally modified files
1593 next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
1595 print "M Index: $filename\n";
1596 print "M ===================================================================\n";
1597 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1598 print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
1599 print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
1601 foreach my $opt ( keys %{$state->{opt}} )
1603 if ( ref $state->{opt}{$opt} eq "ARRAY" )
1605 foreach my $value ( @{$state->{opt}{$opt}} )
1607 print "-$opt $value ";
1611 print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
1614 print "$filename\n";
1616 $log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
1618 ( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
1620 if ( exists $state->{opt}{u} )
1622 system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
1624 system("diff $file1 $file2 > $filediff");
1639 my ( $cmd, $data ) = @_;
1643 $log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
1644 #$log->debug("log state : " . Dumper($state));
1646 my ( $minrev, $maxrev );
1647 if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
1652 $minrev =~ s/^1\.// if ( defined ( $minrev ) );
1653 $maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
1654 $minrev++ if ( defined($minrev) and $control eq "::" );
1657 # Grab a handle to the SQLite db and do any necessary updates
1658 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1661 # if no files were specified, we need to work out what files we should be providing status on ...
1662 argsfromdir($updater);
1664 # foreach file specified on the command line ...
1665 foreach my $filename ( @{$state->{args}} )
1667 $filename = filecleanup($filename);
1669 my $headmeta = $updater->getmeta($filename);
1671 my $revisions = $updater->getlog($filename);
1672 my $totalrevisions = scalar(@$revisions);
1674 if ( defined ( $minrev ) )
1676 $log->debug("Removing revisions less than $minrev");
1677 while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
1682 if ( defined ( $maxrev ) )
1684 $log->debug("Removing revisions greater than $maxrev");
1685 while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
1691 next unless ( scalar(@$revisions) );
1694 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1695 print "M Working file: $filename\n";
1696 print "M head: 1.$headmeta->{revision}\n";
1697 print "M branch:\n";
1698 print "M locks: strict\n";
1699 print "M access list:\n";
1700 print "M symbolic names:\n";
1701 print "M keyword substitution: kv\n";
1702 print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
1703 print "M description:\n";
1705 foreach my $revision ( @$revisions )
1707 print "M ----------------------------\n";
1708 print "M revision 1.$revision->{revision}\n";
1709 # reformat the date for log output
1710 $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}) );
1711 $revision->{author} =~ s/\s+.*//;
1712 $revision->{author} =~ s/^(.{8}).*/$1/;
1713 print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
1714 my $commitmessage = $updater->commitmessage($revision->{commithash});
1715 $commitmessage =~ s/^/M /mg;
1716 print $commitmessage . "\n";
1718 print "M =============================================================================\n";
1726 my ( $cmd, $data ) = @_;
1728 argsplit("annotate");
1730 $log->info("req_annotate : " . ( defined($data) ? $data : "[NULL]" ));
1731 #$log->debug("status state : " . Dumper($state));
1733 # Grab a handle to the SQLite db and do any necessary updates
1734 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1737 # if no files were specified, we need to work out what files we should be providing annotate on ...
1738 argsfromdir($updater);
1740 # we'll need a temporary checkout dir
1741 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1742 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1743 $log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'");
1745 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1746 $ENV{GIT_WORK_TREE} = ".";
1747 $ENV{GIT_INDEX_FILE} = $file_index;
1751 # foreach file specified on the command line ...
1752 foreach my $filename ( @{$state->{args}} )
1754 $filename = filecleanup($filename);
1756 my $meta = $updater->getmeta($filename);
1758 next unless ( $meta->{revision} );
1760 # get all the commits that this file was in
1761 # in dense format -- aka skip dead revisions
1762 my $revisions = $updater->gethistorydense($filename);
1763 my $lastseenin = $revisions->[0][2];
1765 # populate the temporary index based on the latest commit were we saw
1766 # the file -- but do it cheaply without checking out any files
1767 # TODO: if we got a revision from the client, use that instead
1768 # to look up the commithash in sqlite (still good to default to
1769 # the current head as we do now)
1770 system("git-read-tree", $lastseenin);
1773 print "E error running git-read-tree $lastseenin $file_index $!\n";
1776 $log->info("Created index '$file_index' with commit $lastseenin - exit status $?");
1778 # do a checkout of the file
1779 system('git-checkout-index', '-f', '-u', $filename);
1781 print "E error running git-checkout-index -f -u $filename : $!\n";
1785 $log->info("Annotate $filename");
1787 # Prepare a file with the commits from the linearized
1788 # history that annotate should know about. This prevents
1789 # git-jsannotate telling us about commits we are hiding
1792 my $a_hints = "$tmpdir/.annotate_hints";
1793 if (!open(ANNOTATEHINTS, '>', $a_hints)) {
1794 print "E failed to open '$a_hints' for writing: $!\n";
1797 for (my $i=0; $i < @$revisions; $i++)
1799 print ANNOTATEHINTS $revisions->[$i][2];
1800 if ($i+1 < @$revisions) { # have we got a parent?
1801 print ANNOTATEHINTS ' ' . $revisions->[$i+1][2];
1803 print ANNOTATEHINTS "\n";
1806 print ANNOTATEHINTS "\n";
1808 or (print "E failed to write $a_hints: $!\n"), return;
1810 my @cmd = (qw(git-annotate -l -S), $a_hints, $filename);
1811 if (!open(ANNOTATE, "-|", @cmd)) {
1812 print "E error invoking ". join(' ',@cmd) .": $!\n";
1816 print "E Annotations for $filename\n";
1817 print "E ***************\n";
1818 while ( <ANNOTATE> )
1820 if (m/^([a-zA-Z0-9]{40})\t\([^\)]*\)(.*)$/i)
1822 my $commithash = $1;
1824 unless ( defined ( $metadata->{$commithash} ) )
1826 $metadata->{$commithash} = $updater->getmeta($filename, $commithash);
1827 $metadata->{$commithash}{author} =~ s/\s+.*//;
1828 $metadata->{$commithash}{author} =~ s/^(.{8}).*/$1/;
1829 $metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
1831 printf("M 1.%-5d (%-8s %10s): %s\n",
1832 $metadata->{$commithash}{revision},
1833 $metadata->{$commithash}{author},
1834 $metadata->{$commithash}{modified},
1838 $log->warn("Error in annotate output! LINE: $_");
1839 print "E Annotate error \n";
1846 # done; get out of the tempdir
1853 # This method takes the state->{arguments} array and produces two new arrays.
1854 # The first is $state->{args} which is everything before the '--' argument, and
1855 # the second is $state->{files} which is everything after it.
1858 $state->{args} = [];
1859 $state->{files} = [];
1862 return unless( defined($state->{arguments}) and ref $state->{arguments} eq "ARRAY" );
1866 if ( defined($type) )
1869 $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" );
1870 $opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
1871 $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" );
1872 $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
1873 $opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
1874 $opt = { k => 1, m => 1 } if ( $type eq "add" );
1875 $opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
1876 $opt = { l => 0, b => 0, h => 0, R => 0, t => 0, N => 0, S => 0, r => 1, d => 1, s => 1, w => 1 } if ( $type eq "log" );
1879 while ( scalar ( @{$state->{arguments}} ) > 0 )
1881 my $arg = shift @{$state->{arguments}};
1883 next if ( $arg eq "--" );
1884 next unless ( $arg =~ /\S/ );
1886 # if the argument looks like a switch
1887 if ( $arg =~ /^-(\w)(.*)/ )
1889 # if it's a switch that takes an argument
1892 # If this switch has already been provided
1893 if ( $opt->{$1} > 1 and exists ( $state->{opt}{$1} ) )
1895 $state->{opt}{$1} = [ $state->{opt}{$1} ];
1896 if ( length($2) > 0 )
1898 push @{$state->{opt}{$1}},$2;
1900 push @{$state->{opt}{$1}}, shift @{$state->{arguments}};
1903 # if there's extra data in the arg, use that as the argument for the switch
1904 if ( length($2) > 0 )
1906 $state->{opt}{$1} = $2;
1908 $state->{opt}{$1} = shift @{$state->{arguments}};
1912 $state->{opt}{$1} = undef;
1917 push @{$state->{args}}, $arg;
1925 foreach my $value ( @{$state->{arguments}} )
1927 if ( $value eq "--" )
1932 push @{$state->{args}}, $value if ( $mode == 0 );
1933 push @{$state->{files}}, $value if ( $mode == 1 );
1938 # This method uses $state->{directory} to populate $state->{args} with a list of filenames
1941 my $updater = shift;
1943 $state->{args} = [] if ( scalar(@{$state->{args}}) == 1 and $state->{args}[0] eq "." );
1945 return if ( scalar ( @{$state->{args}} ) > 1 );
1947 my @gethead = @{$updater->gethead};
1950 foreach my $file (keys %{$state->{entries}}) {
1951 if ( exists $state->{entries}{$file}{revision} &&
1952 $state->{entries}{$file}{revision} == 0 )
1954 push @gethead, { name => $file, filehash => 'added' };
1958 if ( scalar(@{$state->{args}}) == 1 )
1960 my $arg = $state->{args}[0];
1961 $arg .= $state->{prependdir} if ( defined ( $state->{prependdir} ) );
1963 $log->info("Only one arg specified, checking for directory expansion on '$arg'");
1965 foreach my $file ( @gethead )
1967 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
1968 next unless ( $file->{name} =~ /^$arg\// or $file->{name} eq $arg );
1969 push @{$state->{args}}, $file->{name};
1972 shift @{$state->{args}} if ( scalar(@{$state->{args}}) > 1 );
1974 $log->info("Only one arg specified, populating file list automatically");
1976 $state->{args} = [];
1978 foreach my $file ( @gethead )
1980 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
1981 next unless ( $file->{name} =~ s/^$state->{prependdir}// );
1982 push @{$state->{args}}, $file->{name};
1987 # This method cleans up the $state variable after a command that uses arguments has run
1990 $state->{files} = [];
1991 $state->{args} = [];
1992 $state->{arguments} = [];
1993 $state->{entries} = {};
1998 my $filename = shift;
2000 return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
2002 return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
2003 return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
2008 # This method takes a file hash and does a CVS "file transfer" which transmits the
2009 # size of the file, and then the file contents.
2010 # If a second argument $targetfile is given, the file is instead written out to
2011 # a file by the name of $targetfile
2014 my $filehash = shift;
2015 my $targetfile = shift;
2017 if ( defined ( $filehash ) and $filehash eq "deleted" )
2019 $log->warn("filehash is 'deleted'");
2023 die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
2025 my $type = `git-cat-file -t $filehash`;
2028 die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
2030 my $size = `git-cat-file -s $filehash`;
2033 $log->debug("transmitfile($filehash) size=$size, type=$type");
2035 if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
2037 if ( defined ( $targetfile ) )
2039 open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
2040 print NEWFILE $_ while ( <$fh> );
2041 close NEWFILE or die("Failed to write '$targetfile': $!");
2044 print while ( <$fh> );
2046 close $fh or die ("Couldn't close filehandle for transmitfile(): $!");
2048 die("Couldn't execute git-cat-file");
2052 # This method takes a file name, and returns ( $dirpart, $filepart ) which
2053 # refers to the directory portion and the file portion of the filename
2057 my $filename = shift;
2058 my $fixforlocaldir = shift;
2060 my ( $filepart, $dirpart ) = ( $filename, "." );
2061 ( $filepart, $dirpart ) = ( $2, $1 ) if ( $filename =~ /(.*)\/(.*)/ );
2064 if ( $fixforlocaldir )
2066 $dirpart =~ s/^$state->{prependdir}//;
2069 return ( $filepart, $dirpart );
2074 my $filename = shift;
2076 return undef unless(defined($filename));
2077 if ( $filename =~ /^\// )
2079 print "E absolute filenames '$filename' not supported by server\n";
2083 $filename =~ s/^\.\///g;
2084 $filename = $state->{prependdir} . $filename;
2088 # Given a path, this function returns a string containing the kopts
2089 # that should go into that path's Entries line. For example, a binary
2090 # file should get -kb.
2095 # Once it exists, the git attributes system should be used to look up
2096 # what attributes apply to this path.
2098 # Until then, take the setting from the config file
2099 unless ( defined ( $cfg->{gitcvs}{allbinary} ) and $cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i )
2101 # Return "" to give no special treatment to any path
2104 # Alternatively, to have all files treated as if they are binary (which
2105 # is more like git itself), always return the "-kb" option
2110 package GITCVS::log;
2113 #### Copyright The Open University UK - 2006.
2115 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2116 #### Martin Langhoff <martin@catalyst.net.nz>
2129 This module provides very crude logging with a similar interface to
2138 Creates a new log object, optionally you can specify a filename here to
2139 indicate the file to log to. If no log file is specified, you can specify one
2140 later with method setfile, or indicate you no longer want logging with method
2143 Until one of these methods is called, all log calls will buffer messages ready
2150 my $filename = shift;
2154 bless $self, $class;
2156 if ( defined ( $filename ) )
2158 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
2166 This methods takes a filename, and attempts to open that file as the log file.
2167 If successful, all buffered data is written out to the file, and any further
2168 logging is written directly to the file.
2174 my $filename = shift;
2176 if ( defined ( $filename ) )
2178 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
2181 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
2183 while ( my $line = shift @{$self->{buffer}} )
2185 print {$self->{fh}} $line;
2191 This method indicates no logging is going to be used. It flushes any entries in
2192 the internal buffer, and sets a flag to ensure no further data is put there.
2201 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
2203 $self->{buffer} = [];
2208 Internal method. Returns true if the log file is open, false otherwise.
2215 return 1 if ( defined ( $self->{fh} ) and ref $self->{fh} eq "GLOB" );
2219 =head2 debug info warn fatal
2221 These four methods are wrappers to _log. They provide the actual interface for
2225 sub debug { my $self = shift; $self->_log("debug", @_); }
2226 sub info { my $self = shift; $self->_log("info" , @_); }
2227 sub warn { my $self = shift; $self->_log("warn" , @_); }
2228 sub fatal { my $self = shift; $self->_log("fatal", @_); }
2232 This is an internal method called by the logging functions. It generates a
2233 timestamp and pushes the logged line either to file, or internal buffer.
2241 return if ( $self->{nolog} );
2243 my @time = localtime;
2244 my $timestring = sprintf("%4d-%02d-%02d %02d:%02d:%02d : %-5s",
2254 if ( $self->_logopen )
2256 print {$self->{fh}} $timestring . " - " . join(" ",@_) . "\n";
2258 push @{$self->{buffer}}, $timestring . " - " . join(" ",@_) . "\n";
2264 This method simply closes the file handle if one is open
2271 if ( $self->_logopen )
2277 package GITCVS::updater;
2280 #### Copyright The Open University UK - 2006.
2282 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2283 #### Martin Langhoff <martin@catalyst.net.nz>
2305 die "Need to specify a git repository" unless ( defined($config) and -d $config );
2306 die "Need to specify a module" unless ( defined($module) );
2308 $class = ref($class) || $class;
2312 bless $self, $class;
2314 $self->{module} = $module;
2315 $self->{git_path} = $config . "/";
2317 $self->{log} = $log;
2319 die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
2321 $self->{dbdriver} = $cfg->{gitcvs}{$state->{method}}{dbdriver} ||
2322 $cfg->{gitcvs}{dbdriver} || "SQLite";
2323 $self->{dbname} = $cfg->{gitcvs}{$state->{method}}{dbname} ||
2324 $cfg->{gitcvs}{dbname} || "%Ggitcvs.%m.sqlite";
2325 $self->{dbuser} = $cfg->{gitcvs}{$state->{method}}{dbuser} ||
2326 $cfg->{gitcvs}{dbuser} || "";
2327 $self->{dbpass} = $cfg->{gitcvs}{$state->{method}}{dbpass} ||
2328 $cfg->{gitcvs}{dbpass} || "";
2329 my %mapping = ( m => $module,
2330 a => $state->{method},
2331 u => getlogin || getpwuid($<) || $<,
2332 G => $self->{git_path},
2333 g => mangle_dirname($self->{git_path}),
2335 $self->{dbname} =~ s/%([mauGg])/$mapping{$1}/eg;
2336 $self->{dbuser} =~ s/%([mauGg])/$mapping{$1}/eg;
2338 die "Invalid char ':' in dbdriver" if $self->{dbdriver} =~ /:/;
2339 die "Invalid char ';' in dbname" if $self->{dbname} =~ /;/;
2340 $self->{dbh} = DBI->connect("dbi:$self->{dbdriver}:dbname=$self->{dbname}",
2343 die "Error connecting to database\n" unless defined $self->{dbh};
2345 $self->{tables} = {};
2346 foreach my $table ( keys %{$self->{dbh}->table_info(undef,undef,undef,'TABLE')->fetchall_hashref('TABLE_NAME')} )
2348 $self->{tables}{$table} = 1;
2351 # Construct the revision table if required
2352 unless ( $self->{tables}{revision} )
2355 CREATE TABLE revision (
2357 revision INTEGER NOT NULL,
2358 filehash TEXT NOT NULL,
2359 commithash TEXT NOT NULL,
2360 author TEXT NOT NULL,
2361 modified TEXT NOT NULL,
2366 CREATE INDEX revision_ix1
2367 ON revision (name,revision)
2370 CREATE INDEX revision_ix2
2371 ON revision (name,commithash)
2375 # Construct the head table if required
2376 unless ( $self->{tables}{head} )
2381 revision INTEGER NOT NULL,
2382 filehash TEXT NOT NULL,
2383 commithash TEXT NOT NULL,
2384 author TEXT NOT NULL,
2385 modified TEXT NOT NULL,
2390 CREATE INDEX head_ix1
2395 # Construct the properties table if required
2396 unless ( $self->{tables}{properties} )
2399 CREATE TABLE properties (
2400 key TEXT NOT NULL PRIMARY KEY,
2406 # Construct the commitmsgs table if required
2407 unless ( $self->{tables}{commitmsgs} )
2410 CREATE TABLE commitmsgs (
2411 key TEXT NOT NULL PRIMARY KEY,
2427 # first lets get the commit list
2428 $ENV{GIT_DIR} = $self->{git_path};
2430 my $commitsha1 = `git rev-parse $self->{module}`;
2433 my $commitinfo = `git cat-file commit $self->{module} 2>&1`;
2434 unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
2436 die("Invalid module '$self->{module}'");
2441 my $lastcommit = $self->_get_prop("last_commit");
2443 if (defined $lastcommit && $lastcommit eq $commitsha1) { # up-to-date
2447 # Start exclusive lock here...
2448 $self->{dbh}->begin_work() or die "Cannot lock database for BEGIN";
2450 # TODO: log processing is memory bound
2451 # if we can parse into a 2nd file that is in reverse order
2452 # we can probably do something really efficient
2453 my @git_log_params = ('--pretty', '--parents', '--topo-order');
2455 if (defined $lastcommit) {
2456 push @git_log_params, "$lastcommit..$self->{module}";
2458 push @git_log_params, $self->{module};
2460 # git-rev-list is the backend / plumbing version of git-log
2461 open(GITLOG, '-|', 'git-rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
2470 if (m/^commit\s+(.*)$/) {
2471 # on ^commit lines put the just seen commit in the stack
2472 # and prime things for the next one
2475 unshift @commits, \%copy;
2478 my @parents = split(m/\s+/, $1);
2479 $commit{hash} = shift @parents;
2480 $commit{parents} = \@parents;
2481 } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
2482 # on rfc822-like lines seen before we see any message,
2483 # lowercase the entry and put it in the hash as key-value
2484 $commit{lc($1)} = $2;
2486 # message lines - skip initial empty line
2487 # and trim whitespace
2488 if (!exists($commit{message}) && m/^\s*$/) {
2489 # define it to mark the end of headers
2490 $commit{message} = '';
2493 s/^\s+//; s/\s+$//; # trim ws
2494 $commit{message} .= $_ . "\n";
2499 unshift @commits, \%commit if ( keys %commit );
2501 # Now all the commits are in the @commits bucket
2502 # ordered by time DESC. for each commit that needs processing,
2503 # determine whether it's following the last head we've seen or if
2504 # it's on its own branch, grab a file list, and add whatever's changed
2505 # NOTE: $lastcommit refers to the last commit from previous run
2506 # $lastpicked is the last commit we picked in this run
2509 if (defined $lastcommit) {
2510 $lastpicked = $lastcommit;
2513 my $committotal = scalar(@commits);
2514 my $commitcount = 0;
2516 # Load the head table into $head (for cached lookups during the update process)
2517 foreach my $file ( @{$self->gethead()} )
2519 $head->{$file->{name}} = $file;
2522 foreach my $commit ( @commits )
2524 $self->{log}->debug("GITCVS::updater - Processing commit $commit->{hash} (" . (++$commitcount) . " of $committotal)");
2525 if (defined $lastpicked)
2527 if (!in_array($lastpicked, @{$commit->{parents}}))
2529 # skip, we'll see this delta
2530 # as part of a merge later
2531 # warn "skipping off-track $commit->{hash}\n";
2533 } elsif (@{$commit->{parents}} > 1) {
2534 # it is a merge commit, for each parent that is
2535 # not $lastpicked, see if we can get a log
2536 # from the merge-base to that parent to put it
2537 # in the message as a merge summary.
2538 my @parents = @{$commit->{parents}};
2539 foreach my $parent (@parents) {
2540 # git-merge-base can potentially (but rarely) throw
2541 # several candidate merge bases. let's assume
2542 # that the first one is the best one.
2543 if ($parent eq $lastpicked) {
2547 safe_pipe_capture('git-merge-base',
2548 $lastpicked, $parent);
2550 # The two branches may not be related at all,
2551 # in which case merge base simply fails to find
2552 # any, but that's Ok.
2558 # print "want to log between $base $parent \n";
2559 open(GITLOG, '-|', 'git-log', "$base..$parent")
2560 or die "Cannot call git-log: $!";
2564 if (!defined $mergedhash) {
2565 if (m/^commit\s+(.+)$/) {
2571 # grab the first line that looks non-rfc822
2572 # aka has content after leading space
2573 if (m/^\s+(\S.*)$/) {
2575 $title = substr($title,0,100); # truncate
2576 unshift @merged, "$mergedhash $title";
2583 $commit->{mergemsg} = $commit->{message};
2584 $commit->{mergemsg} .= "\nSummary of merged commits:\n\n";
2585 foreach my $summary (@merged) {
2586 $commit->{mergemsg} .= "\t$summary\n";
2588 $commit->{mergemsg} .= "\n\n";
2589 # print "Message for $commit->{hash} \n$commit->{mergemsg}";
2596 # convert the date to CVS-happy format
2597 $commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
2599 if ( defined ( $lastpicked ) )
2601 my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
2603 while ( <FILELIST> )
2606 unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)$/o )
2608 die("Couldn't process git-diff-tree line : $_");
2610 my ($mode, $hash, $change) = ($1, $2, $3);
2611 my $name = <FILELIST>;
2614 # $log->debug("File mode=$mode, hash=$hash, change=$change, name=$name");
2617 $git_perms .= "r" if ( $mode & 4 );
2618 $git_perms .= "w" if ( $mode & 2 );
2619 $git_perms .= "x" if ( $mode & 1 );
2620 $git_perms = "rw" if ( $git_perms eq "" );
2622 if ( $change eq "D" )
2624 #$log->debug("DELETE $name");
2627 revision => $head->{$name}{revision} + 1,
2628 filehash => "deleted",
2629 commithash => $commit->{hash},
2630 modified => $commit->{date},
2631 author => $commit->{author},
2634 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2636 elsif ( $change eq "M" )
2638 #$log->debug("MODIFIED $name");
2641 revision => $head->{$name}{revision} + 1,
2643 commithash => $commit->{hash},
2644 modified => $commit->{date},
2645 author => $commit->{author},
2648 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2650 elsif ( $change eq "A" )
2652 #$log->debug("ADDED $name");
2655 revision => $head->{$name}{revision} ? $head->{$name}{revision}+1 : 1,
2657 commithash => $commit->{hash},
2658 modified => $commit->{date},
2659 author => $commit->{author},
2662 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2666 $log->warn("UNKNOWN FILE CHANGE mode=$mode, hash=$hash, change=$change, name=$name");
2672 # this is used to detect files removed from the repo
2673 my $seen_files = {};
2675 my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
2677 while ( <FILELIST> )
2680 unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
2682 die("Couldn't process git-ls-tree line : $_");
2685 my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
2687 $seen_files->{$git_filename} = 1;
2689 my ( $oldhash, $oldrevision, $oldmode ) = (
2690 $head->{$git_filename}{filehash},
2691 $head->{$git_filename}{revision},
2692 $head->{$git_filename}{mode}
2695 if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
2698 $git_perms .= "r" if ( $1 & 4 );
2699 $git_perms .= "w" if ( $1 & 2 );
2700 $git_perms .= "x" if ( $1 & 1 );
2705 # unless the file exists with the same hash, we need to update it ...
2706 unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
2708 my $newrevision = ( $oldrevision or 0 ) + 1;
2710 $head->{$git_filename} = {
2711 name => $git_filename,
2712 revision => $newrevision,
2713 filehash => $git_hash,
2714 commithash => $commit->{hash},
2715 modified => $commit->{date},
2716 author => $commit->{author},
2721 $self->insert_rev($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2726 # Detect deleted files
2727 foreach my $file ( keys %$head )
2729 unless ( exists $seen_files->{$file} or $head->{$file}{filehash} eq "deleted" )
2731 $head->{$file}{revision}++;
2732 $head->{$file}{filehash} = "deleted";
2733 $head->{$file}{commithash} = $commit->{hash};
2734 $head->{$file}{modified} = $commit->{date};
2735 $head->{$file}{author} = $commit->{author};
2737 $self->insert_rev($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
2740 # END : "Detect deleted files"
2744 if (exists $commit->{mergemsg})
2746 $self->insert_mergelog($commit->{hash}, $commit->{mergemsg});
2749 $lastpicked = $commit->{hash};
2751 $self->_set_prop("last_commit", $commit->{hash});
2754 $self->delete_head();
2755 foreach my $file ( keys %$head )
2759 $head->{$file}{revision},
2760 $head->{$file}{filehash},
2761 $head->{$file}{commithash},
2762 $head->{$file}{modified},
2763 $head->{$file}{author},
2764 $head->{$file}{mode},
2767 # invalidate the gethead cache
2768 $self->{gethead_cache} = undef;
2771 # Ending exclusive lock here
2772 $self->{dbh}->commit() or die "Failed to commit changes to SQLite";
2779 my $revision = shift;
2780 my $filehash = shift;
2781 my $commithash = shift;
2782 my $modified = shift;
2786 my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO revision (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
2787 $insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
2796 my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO commitmsgs (key, value) VALUES (?,?)",{},1);
2797 $insert_mergelog->execute($key, $value);
2804 my $delete_head = $self->{dbh}->prepare_cached("DELETE FROM head",{},1);
2805 $delete_head->execute();
2812 my $revision = shift;
2813 my $filehash = shift;
2814 my $commithash = shift;
2815 my $modified = shift;
2819 my $insert_head = $self->{dbh}->prepare_cached("INSERT INTO head (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
2820 $insert_head->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
2826 my $filename = shift;
2828 my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM head WHERE name=?",{},1);
2829 $db_query->execute($filename);
2830 my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
2832 return ( $hash, $revision, $mode );
2840 my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM properties WHERE key=?",{},1);
2841 $db_query->execute($key);
2842 my ( $value ) = $db_query->fetchrow_array;
2853 my $db_query = $self->{dbh}->prepare_cached("UPDATE properties SET value=? WHERE key=?",{},1);
2854 $db_query->execute($value, $key);
2856 unless ( $db_query->rows )
2858 $db_query = $self->{dbh}->prepare_cached("INSERT INTO properties (key, value) VALUES (?,?)",{},1);
2859 $db_query->execute($key, $value);
2873 return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
2875 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM head ORDER BY name ASC",{},1);
2876 $db_query->execute();
2879 while ( my $file = $db_query->fetchrow_hashref )
2884 $self->{gethead_cache} = $tree;
2896 my $filename = shift;
2898 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2899 $db_query->execute($filename);
2902 while ( my $file = $db_query->fetchrow_hashref )
2912 This function takes a filename (with path) argument and returns a hashref of
2913 metadata for that file.
2920 my $filename = shift;
2921 my $revision = shift;
2924 if ( defined($revision) and $revision =~ /^\d+$/ )
2926 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND revision=?",{},1);
2927 $db_query->execute($filename, $revision);
2929 elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
2931 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND commithash=?",{},1);
2932 $db_query->execute($filename, $revision);
2934 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM head WHERE name=?",{},1);
2935 $db_query->execute($filename);
2938 return $db_query->fetchrow_hashref;
2941 =head2 commitmessage
2943 this function takes a commithash and returns the commit message for that commit
2949 my $commithash = shift;
2951 die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
2954 $db_query = $self->{dbh}->prepare_cached("SELECT value FROM commitmsgs WHERE key=?",{},1);
2955 $db_query->execute($commithash);
2957 my ( $message ) = $db_query->fetchrow_array;
2959 if ( defined ( $message ) )
2961 $message .= " " if ( $message =~ /\n$/ );
2965 my @lines = safe_pipe_capture("git-cat-file", "commit", $commithash);
2966 shift @lines while ( $lines[0] =~ /\S/ );
2967 $message = join("",@lines);
2968 $message .= " " if ( $message =~ /\n$/ );
2974 This function takes a filename (with path) argument and returns an arrayofarrays
2975 containing revision,filehash,commithash ordered by revision descending
2981 my $filename = shift;
2984 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2985 $db_query->execute($filename);
2987 return $db_query->fetchall_arrayref;
2990 =head2 gethistorydense
2992 This function takes a filename (with path) argument and returns an arrayofarrays
2993 containing revision,filehash,commithash ordered by revision descending.
2995 This version of gethistory skips deleted entries -- so it is useful for annotate.
2996 The 'dense' part is a reference to a '--dense' option available for git-rev-list
2997 and other git tools that depend on it.
3003 my $filename = shift;
3006 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
3007 $db_query->execute($filename);
3009 return $db_query->fetchall_arrayref;
3014 from Array::PAT - mimics the in_array() function
3015 found in PHP. Yuck but works for small arrays.
3020 my ($check, @array) = @_;
3022 foreach my $test (@array){
3023 if($check eq $test){
3030 =head2 safe_pipe_capture
3032 an alternative to `command` that allows input to be passed as an array
3033 to work around shell problems with weird characters in arguments
3036 sub safe_pipe_capture {
3040 if (my $pid = open my $child, '-|') {
3041 @output = (<$child>);
3042 close $child or die join(' ',@_).": $! $?";
3044 exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
3046 return wantarray ? @output : join('',@output);
3049 =head2 mangle_dirname
3051 create a string from a directory name that is suitable to use as
3052 part of a filename, mainly by converting all chars except \w.- to _
3055 sub mangle_dirname {
3056 my $dirname = shift;
3057 return unless defined $dirname;
3059 $dirname =~ s/[^\w.-]/_/g;