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_EMPTY,
77 'editors' => \&req_EMPTY,
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");
202 # This method invariably succeeds with an empty response.
209 # Response expected: no. Tell the server which CVSROOT to use. Note that
210 # pathname is a local directory and not a fully qualified CVSROOT variable.
211 # pathname must already exist; if creating a new root, use the init
212 # request, not Root. pathname does not include the hostname of the server,
213 # how to access the server, etc.; by the time the CVS protocol is in use,
214 # connection, authentication, etc., are already taken care of. The Root
215 # request must be sent only once, and it must be sent before any requests
216 # other than Valid-responses, valid-requests, UseUnchanged, Set or init.
219 my ( $cmd, $data ) = @_;
220 $log->debug("req_Root : $data");
222 unless ($data =~ m#^/#) {
223 print "error 1 Root must be an absolute pathname\n";
227 my $cvsroot = $state->{'base-path'} || '';
231 if ($state->{CVSROOT}
232 && ($state->{CVSROOT} ne $cvsroot)) {
233 print "error 1 Conflicting roots specified\n";
237 $state->{CVSROOT} = $cvsroot;
239 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
241 if (@{$state->{allowed_roots}}) {
243 foreach my $dir (@{$state->{allowed_roots}}) {
244 next unless $dir =~ m#^/#;
246 if ($state->{'strict-paths'}) {
247 if ($ENV{GIT_DIR} =~ m#^\Q$dir\E/?$#) {
251 } elsif ($ENV{GIT_DIR} =~ m#^\Q$dir\E(/?$|/)#) {
258 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
260 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
265 unless (-d $ENV{GIT_DIR} && -e $ENV{GIT_DIR}.'HEAD') {
266 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
268 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
272 my @gitvars = `git-config -l`;
274 print "E problems executing git-config on the server -- this is not a git repository or the PATH is not set correctly.\n";
276 print "error 1 - problem executing git-config\n";
279 foreach my $line ( @gitvars )
281 next unless ( $line =~ /^(gitcvs)\.(?:(ext|pserver)\.)?([\w-]+)=(.*)$/ );
285 $cfg->{$1}{$2}{$3} = $4;
289 my $enabled = ($cfg->{gitcvs}{$state->{method}}{enabled}
290 || $cfg->{gitcvs}{enabled});
291 unless ($state->{'export-all'} ||
292 ($enabled && $enabled =~ /^\s*(1|true|yes)\s*$/i)) {
293 print "E GITCVS emulation needs to be enabled on this repo\n";
294 print "E the repo config file needs a [gitcvs] section added, and the parameter 'enabled' set to 1\n";
296 print "error 1 GITCVS emulation disabled\n";
300 my $logfile = $cfg->{gitcvs}{$state->{method}}{logfile} || $cfg->{gitcvs}{logfile};
303 $log->setfile($logfile);
311 # Global_option option \n
312 # Response expected: no. Transmit one of the global options `-q', `-Q',
313 # `-l', `-t', `-r', or `-n'. option must be one of those strings, no
314 # variations (such as combining of options) are allowed. For graceful
315 # handling of valid-requests, it is probably better to make new global
316 # options separate requests, rather than trying to add them to this
320 my ( $cmd, $data ) = @_;
321 $log->debug("req_Globaloption : $data");
322 $state->{globaloptions}{$data} = 1;
325 # Valid-responses request-list \n
326 # Response expected: no. Tell the server what responses the client will
327 # accept. request-list is a space separated list of tokens.
328 sub req_Validresponses
330 my ( $cmd, $data ) = @_;
331 $log->debug("req_Validresponses : $data");
333 # TODO : re-enable this, currently it's not particularly useful
334 #$state->{validresponses} = [ split /\s+/, $data ];
338 # Response expected: yes. Ask the server to send back a Valid-requests
340 sub req_validrequests
342 my ( $cmd, $data ) = @_;
344 $log->debug("req_validrequests");
346 $log->debug("SEND : Valid-requests " . join(" ",keys %$methods));
347 $log->debug("SEND : ok");
349 print "Valid-requests " . join(" ",keys %$methods) . "\n";
353 # Directory local-directory \n
354 # Additional data: repository \n. Response expected: no. Tell the server
355 # what directory to use. The repository should be a directory name from a
356 # previous server response. Note that this both gives a default for Entry
357 # and Modified and also for ci and the other commands; normal usage is to
358 # send Directory for each directory in which there will be an Entry or
359 # Modified, and then a final Directory for the original directory, then the
360 # command. The local-directory is relative to the top level at which the
361 # command is occurring (i.e. the last Directory which is sent before the
362 # command); to indicate that top level, `.' should be sent for
366 my ( $cmd, $data ) = @_;
368 my $repository = <STDIN>;
372 $state->{localdir} = $data;
373 $state->{repository} = $repository;
374 $state->{path} = $repository;
375 $state->{path} =~ s/^$state->{CVSROOT}\///;
376 $state->{module} = $1 if ($state->{path} =~ s/^(.*?)(\/|$)//);
377 $state->{path} .= "/" if ( $state->{path} =~ /\S/ );
379 $state->{directory} = $state->{localdir};
380 $state->{directory} = "" if ( $state->{directory} eq "." );
381 $state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
383 if ( (not defined($state->{prependdir}) or $state->{prependdir} eq '') and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
385 $log->info("Setting prepend to '$state->{path}'");
386 $state->{prependdir} = $state->{path};
387 foreach my $entry ( keys %{$state->{entries}} )
389 $state->{entries}{$state->{prependdir} . $entry} = $state->{entries}{$entry};
390 delete $state->{entries}{$entry};
394 if ( defined ( $state->{prependdir} ) )
396 $log->debug("Prepending '$state->{prependdir}' to state|directory");
397 $state->{directory} = $state->{prependdir} . $state->{directory}
399 $log->debug("req_Directory : localdir=$data repository=$repository path=$state->{path} directory=$state->{directory} module=$state->{module}");
402 # Entry entry-line \n
403 # Response expected: no. Tell the server what version of a file is on the
404 # local machine. The name in entry-line is a name relative to the directory
405 # most recently specified with Directory. If the user is operating on only
406 # some files in a directory, Entry requests for only those files need be
407 # included. If an Entry request is sent without Modified, Is-modified, or
408 # Unchanged, it means the file is lost (does not exist in the working
409 # directory). If both Entry and one of Modified, Is-modified, or Unchanged
410 # are sent for the same file, Entry must be sent first. For a given file,
411 # one can send Modified, Is-modified, or Unchanged, but not more than one
415 my ( $cmd, $data ) = @_;
417 #$log->debug("req_Entry : $data");
419 my @data = split(/\//, $data);
421 $state->{entries}{$state->{directory}.$data[1]} = {
422 revision => $data[2],
423 conflict => $data[3],
425 tag_or_date => $data[5],
428 $log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'");
431 # Questionable filename \n
432 # Response expected: no. Additional data: no. Tell the server to check
433 # whether filename should be ignored, and if not, next time the server
434 # sends responses, send (in a M response) `?' followed by the directory and
435 # filename. filename must not contain `/'; it needs to be a file in the
436 # directory named by the most recent Directory request.
439 my ( $cmd, $data ) = @_;
441 $log->debug("req_Questionable : $data");
442 $state->{entries}{$state->{directory}.$data}{questionable} = 1;
446 # Response expected: yes. Add a file or directory. This uses any previous
447 # Argument, Directory, Entry, or Modified requests, if they have been sent.
448 # The last Directory sent specifies the working directory at the time of
449 # the operation. To add a directory, send the directory to be added using
450 # Directory and Argument requests.
453 my ( $cmd, $data ) = @_;
457 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
460 argsfromdir($updater);
464 foreach my $filename ( @{$state->{args}} )
466 $filename = filecleanup($filename);
468 my $meta = $updater->getmeta($filename);
469 my $wrev = revparse($filename);
471 if ($wrev && $meta && ($wrev < 0))
473 # previously removed file, add back
474 $log->info("added file $filename was previously removed, send 1.$meta->{revision}");
476 print "MT +updated\n";
477 print "MT text U \n";
478 print "MT fname $filename\n";
479 print "MT newline\n";
480 print "MT -updated\n";
482 unless ( $state->{globaloptions}{-n} )
484 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
486 print "Created $dirpart\n";
487 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
489 # this is an "entries" line
490 my $kopts = kopts_from_path($filepart);
491 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
492 print "/$filepart/1.$meta->{revision}//$kopts/\n";
494 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
495 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
497 transmitfile($meta->{filehash});
503 unless ( defined ( $state->{entries}{$filename}{modified_filename} ) )
505 print "E cvs add: nothing known about `$filename'\n";
508 # TODO : check we're not squashing an already existing file
509 if ( defined ( $state->{entries}{$filename}{revision} ) )
511 print "E cvs add: `$filename' has already been entered\n";
515 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
517 print "E cvs add: scheduling file `$filename' for addition\n";
519 print "Checked-in $dirpart\n";
521 my $kopts = kopts_from_path($filepart);
522 print "/$filepart/0//$kopts/\n";
527 if ( $addcount == 1 )
529 print "E cvs add: use `cvs commit' to add this file permanently\n";
531 elsif ( $addcount > 1 )
533 print "E cvs add: use `cvs commit' to add these files permanently\n";
540 # Response expected: yes. Remove a file. This uses any previous Argument,
541 # Directory, Entry, or Modified requests, if they have been sent. The last
542 # Directory sent specifies the working directory at the time of the
543 # operation. Note that this request does not actually do anything to the
544 # repository; the only effect of a successful remove request is to supply
545 # the client with a new entries line containing `-' to indicate a removed
546 # file. In fact, the client probably could perform this operation without
547 # contacting the server, although using remove may cause the server to
548 # perform a few more checks. The client sends a subsequent ci request to
549 # actually record the removal in the repository.
552 my ( $cmd, $data ) = @_;
556 # Grab a handle to the SQLite db and do any necessary updates
557 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
560 #$log->debug("add state : " . Dumper($state));
564 foreach my $filename ( @{$state->{args}} )
566 $filename = filecleanup($filename);
568 if ( defined ( $state->{entries}{$filename}{unchanged} ) or defined ( $state->{entries}{$filename}{modified_filename} ) )
570 print "E cvs remove: file `$filename' still in working directory\n";
574 my $meta = $updater->getmeta($filename);
575 my $wrev = revparse($filename);
577 unless ( defined ( $wrev ) )
579 print "E cvs remove: nothing known about `$filename'\n";
583 if ( defined($wrev) and $wrev < 0 )
585 print "E cvs remove: file `$filename' already scheduled for removal\n";
589 unless ( $wrev == $meta->{revision} )
591 # TODO : not sure if the format of this message is quite correct.
592 print "E cvs remove: Up to date check failed for `$filename'\n";
597 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
599 print "E cvs remove: scheduling `$filename' for removal\n";
601 print "Checked-in $dirpart\n";
603 my $kopts = kopts_from_path($filepart);
604 print "/$filepart/-1.$wrev//$kopts/\n";
611 print "E cvs remove: use `cvs commit' to remove this file permanently\n";
613 elsif ( $rmcount > 1 )
615 print "E cvs remove: use `cvs commit' to remove these files permanently\n";
621 # Modified filename \n
622 # Response expected: no. Additional data: mode, \n, file transmission. Send
623 # the server a copy of one locally modified file. filename is a file within
624 # the most recent directory sent with Directory; it must not contain `/'.
625 # If the user is operating on only some files in a directory, only those
626 # files need to be included. This can also be sent without Entry, if there
627 # is no entry for the file.
630 my ( $cmd, $data ) = @_;
634 or (print "E end of file reading mode for $data\n"), return;
638 or (print "E end of file reading size of $data\n"), return;
641 # Grab config information
642 my $blocksize = 8192;
643 my $bytesleft = $size;
646 # Get a filehandle/name to write it to
647 my ( $fh, $filename ) = tempfile( DIR => $TEMP_DIR );
649 # Loop over file data writing out to temporary file.
652 $blocksize = $bytesleft if ( $bytesleft < $blocksize );
653 read STDIN, $tmp, $blocksize;
655 $bytesleft -= $blocksize;
659 or (print "E failed to write temporary, $filename: $!\n"), return;
661 # Ensure we have something sensible for the file mode
662 if ( $mode =~ /u=(\w+)/ )
669 # Save the file data in $state
670 $state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
671 $state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
672 $state->{entries}{$state->{directory}.$data}{modified_hash} = `git-hash-object $filename`;
673 $state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
675 #$log->debug("req_Modified : file=$data mode=$mode size=$size");
678 # Unchanged filename \n
679 # Response expected: no. Tell the server that filename has not been
680 # modified in the checked out directory. The filename is a file within the
681 # most recent directory sent with Directory; it must not contain `/'.
684 my ( $cmd, $data ) = @_;
686 $state->{entries}{$state->{directory}.$data}{unchanged} = 1;
688 #$log->debug("req_Unchanged : $data");
692 # Response expected: no. Save argument for use in a subsequent command.
693 # Arguments accumulate until an argument-using command is given, at which
694 # point they are forgotten.
696 # Response expected: no. Append \n followed by text to the current argument
700 my ( $cmd, $data ) = @_;
702 # Argumentx means: append to last Argument (with a newline in front)
704 $log->debug("$cmd : $data");
706 if ( $cmd eq 'Argumentx') {
707 ${$state->{arguments}}[$#{$state->{arguments}}] .= "\n" . $data;
709 push @{$state->{arguments}}, $data;
714 # Response expected: yes. Expand the modules which are specified in the
715 # arguments. Returns the data in Module-expansion responses. Note that the
716 # server can assume that this is checkout or export, not rtag or rdiff; the
717 # latter do not access the working directory and thus have no need to
718 # expand modules on the client side. Expand may not be the best word for
719 # what this request does. It does not necessarily tell you all the files
720 # contained in a module, for example. Basically it is a way of telling you
721 # which working directories the server needs to know about in order to
722 # handle a checkout of the specified modules. For example, suppose that the
723 # server has a module defined by
724 # aliasmodule -a 1dir
725 # That is, one can check out aliasmodule and it will take 1dir in the
726 # repository and check it out to 1dir in the working directory. Now suppose
727 # the client already has this module checked out and is planning on using
728 # the co request to update it. Without using expand-modules, the client
729 # would have two bad choices: it could either send information about all
730 # working directories under the current directory, which could be
731 # unnecessarily slow, or it could be ignorant of the fact that aliasmodule
732 # stands for 1dir, and neglect to send information for 1dir, which would
733 # lead to incorrect operation. With expand-modules, the client would first
734 # ask for the module to be expanded:
735 sub req_expandmodules
737 my ( $cmd, $data ) = @_;
741 $log->debug("req_expandmodules : " . ( defined($data) ? $data : "[NULL]" ) );
743 unless ( ref $state->{arguments} eq "ARRAY" )
749 foreach my $module ( @{$state->{arguments}} )
751 $log->debug("SEND : Module-expansion $module");
752 print "Module-expansion $module\n";
760 # Response expected: yes. Get files from the repository. This uses any
761 # previous Argument, Directory, Entry, or Modified requests, if they have
762 # been sent. Arguments to this command are module names; the client cannot
763 # know what directories they correspond to except by (1) just sending the
764 # co request, and then seeing what directory names the server sends back in
765 # its responses, and (2) the expand-modules request.
768 my ( $cmd, $data ) = @_;
772 my $module = $state->{args}[0];
773 my $checkout_path = $module;
775 # use the user specified directory if we're given it
776 $checkout_path = $state->{opt}{d} if ( exists ( $state->{opt}{d} ) );
778 $log->debug("req_co : " . ( defined($data) ? $data : "[NULL]" ) );
780 $log->info("Checking out module '$module' ($state->{CVSROOT}) to '$checkout_path'");
782 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
784 # Grab a handle to the SQLite db and do any necessary updates
785 my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
788 $checkout_path =~ s|/$||; # get rid of trailing slashes
790 # Eclipse seems to need the Clear-sticky command
791 # to prepare the 'Entries' file for the new directory.
792 print "Clear-sticky $checkout_path/\n";
793 print $state->{CVSROOT} . "/$module/\n";
794 print "Clear-static-directory $checkout_path/\n";
795 print $state->{CVSROOT} . "/$module/\n";
796 print "Clear-sticky $checkout_path/\n"; # yes, twice
797 print $state->{CVSROOT} . "/$module/\n";
798 print "Template $checkout_path/\n";
799 print $state->{CVSROOT} . "/$module/\n";
802 # instruct the client that we're checking out to $checkout_path
803 print "E cvs checkout: Updating $checkout_path\n";
810 my ($dir, $repodir, $remotedir, $seendirs) = @_;
811 my $parent = dirname($dir);
814 $remotedir =~ s|/+$||;
816 $log->debug("announcedir $dir, $repodir, $remotedir" );
818 if ($parent eq '.' || $parent eq './') {
821 # recurse to announce unseen parents first
822 if (length($parent) && !exists($seendirs->{$parent})) {
823 prepdir($parent, $repodir, $remotedir, $seendirs);
825 # Announce that we are going to modify at the parent level
827 print "E cvs checkout: Updating $remotedir/$parent\n";
829 print "E cvs checkout: Updating $remotedir\n";
831 print "Clear-sticky $remotedir/$parent/\n";
832 print "$repodir/$parent/\n";
834 print "Clear-static-directory $remotedir/$dir/\n";
835 print "$repodir/$dir/\n";
836 print "Clear-sticky $remotedir/$parent/\n"; # yes, twice
837 print "$repodir/$parent/\n";
838 print "Template $remotedir/$dir/\n";
839 print "$repodir/$dir/\n";
842 $seendirs->{$dir} = 1;
845 foreach my $git ( @{$updater->gethead} )
847 # Don't want to check out deleted files
848 next if ( $git->{filehash} eq "deleted" );
850 ( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
852 if (length($git->{dir}) && $git->{dir} ne './'
853 && $git->{dir} ne $lastdir ) {
854 unless (exists($seendirs{$git->{dir}})) {
855 prepdir($git->{dir}, $state->{CVSROOT} . "/$module/",
856 $checkout_path, \%seendirs);
857 $lastdir = $git->{dir};
858 $seendirs{$git->{dir}} = 1;
860 print "E cvs checkout: Updating /$checkout_path/$git->{dir}\n";
863 # modification time of this file
864 print "Mod-time $git->{modified}\n";
866 # print some information to the client
867 if ( defined ( $git->{dir} ) and $git->{dir} ne "./" )
869 print "M U $checkout_path/$git->{dir}$git->{name}\n";
871 print "M U $checkout_path/$git->{name}\n";
874 # instruct client we're sending a file to put in this path
875 print "Created $checkout_path/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "\n";
877 print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
879 # this is an "entries" line
880 my $kopts = kopts_from_path($git->{name});
881 print "/$git->{name}/1.$git->{revision}//$kopts/\n";
883 print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
886 transmitfile($git->{filehash});
895 # Response expected: yes. Actually do a cvs update command. This uses any
896 # previous Argument, Directory, Entry, or Modified requests, if they have
897 # been sent. The last Directory sent specifies the working directory at the
898 # time of the operation. The -I option is not used--files which the client
899 # can decide whether to ignore are not mentioned and the client sends the
900 # Questionable request for others.
903 my ( $cmd, $data ) = @_;
905 $log->debug("req_update : " . ( defined($data) ? $data : "[NULL]" ));
910 # It may just be a client exploring the available heads/modules
911 # in that case, list them as top level directories and leave it
912 # at that. Eclipse uses this technique to offer you a list of
913 # projects (heads in this case) to checkout.
915 if ($state->{module} eq '') {
916 my $heads_dir = $state->{CVSROOT} . '/refs/heads';
917 if (!opendir HEADS, $heads_dir) {
918 print "E [server aborted]: Failed to open directory, "
919 . "$heads_dir: $!\nerror\n";
922 print "E cvs update: Updating .\n";
923 while (my $head = readdir(HEADS)) {
924 if (-f $state->{CVSROOT} . '/refs/heads/' . $head) {
925 print "E cvs update: New directory `$head'\n";
934 # Grab a handle to the SQLite db and do any necessary updates
935 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
939 argsfromdir($updater);
941 #$log->debug("update state : " . Dumper($state));
943 # foreach file specified on the command line ...
944 foreach my $filename ( @{$state->{args}} )
946 $filename = filecleanup($filename);
948 $log->debug("Processing file $filename");
950 # if we have a -C we should pretend we never saw modified stuff
951 if ( exists ( $state->{opt}{C} ) )
953 delete $state->{entries}{$filename}{modified_hash};
954 delete $state->{entries}{$filename}{modified_filename};
955 $state->{entries}{$filename}{unchanged} = 1;
959 if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
961 $meta = $updater->getmeta($filename, $1);
963 $meta = $updater->getmeta($filename);
966 # If -p was given, "print" the contents of the requested revision.
967 if ( exists ( $state->{opt}{p} ) ) {
968 if ( defined ( $meta->{revision} ) ) {
969 $log->info("Printing '$filename' revision " . $meta->{revision});
971 transmitfile($meta->{filehash}, { print => 1 });
977 if ( ! defined $meta )
988 my $wrev = revparse($filename);
990 # If the working copy is an old revision, lets get that version too for comparison.
991 if ( defined($wrev) and $wrev != $meta->{revision} )
993 $oldmeta = $updater->getmeta($filename, $wrev);
996 #$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
998 # Files are up to date if the working copy and repo copy have the same revision,
999 # and the working copy is unmodified _and_ the user hasn't specified -C
1000 next if ( defined ( $wrev )
1001 and defined($meta->{revision})
1002 and $wrev == $meta->{revision}
1003 and $state->{entries}{$filename}{unchanged}
1004 and not exists ( $state->{opt}{C} ) );
1006 # If the working copy and repo copy have the same revision,
1007 # but the working copy is modified, tell the client it's modified
1008 if ( defined ( $wrev )
1009 and defined($meta->{revision})
1010 and $wrev == $meta->{revision}
1011 and defined($state->{entries}{$filename}{modified_hash})
1012 and not exists ( $state->{opt}{C} ) )
1014 $log->info("Tell the client the file is modified");
1015 print "MT text M \n";
1016 print "MT fname $filename\n";
1017 print "MT newline\n";
1021 if ( $meta->{filehash} eq "deleted" )
1023 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
1025 $log->info("Removing '$filename' from working copy (no longer in the repo)");
1027 print "E cvs update: `$filename' is no longer in the repository\n";
1028 # Don't want to actually _DO_ the update if -n specified
1029 unless ( $state->{globaloptions}{-n} ) {
1030 print "Removed $dirpart\n";
1031 print "$filepart\n";
1034 elsif ( not defined ( $state->{entries}{$filename}{modified_hash} )
1035 or $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash}
1036 or $meta->{filehash} eq 'added' )
1038 # normal update, just send the new revision (either U=Update,
1039 # or A=Add, or R=Remove)
1040 if ( defined($wrev) && $wrev < 0 )
1042 $log->info("Tell the client the file is scheduled for removal");
1043 print "MT text R \n";
1044 print "MT fname $filename\n";
1045 print "MT newline\n";
1048 elsif ( (!defined($wrev) || $wrev == 0) && (!defined($meta->{revision}) || $meta->{revision} == 0) )
1050 $log->info("Tell the client the file is scheduled for addition");
1051 print "MT text A \n";
1052 print "MT fname $filename\n";
1053 print "MT newline\n";
1058 $log->info("Updating '$filename' to ".$meta->{revision});
1059 print "MT +updated\n";
1060 print "MT text U \n";
1061 print "MT fname $filename\n";
1062 print "MT newline\n";
1063 print "MT -updated\n";
1066 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
1068 # Don't want to actually _DO_ the update if -n specified
1069 unless ( $state->{globaloptions}{-n} )
1071 if ( defined ( $wrev ) )
1073 # instruct client we're sending a file to put in this path as a replacement
1074 print "Update-existing $dirpart\n";
1075 $log->debug("Updating existing file 'Update-existing $dirpart'");
1077 # instruct client we're sending a file to put in this path as a new file
1078 print "Clear-static-directory $dirpart\n";
1079 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
1080 print "Clear-sticky $dirpart\n";
1081 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
1083 $log->debug("Creating new file 'Created $dirpart'");
1084 print "Created $dirpart\n";
1086 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1088 # this is an "entries" line
1089 my $kopts = kopts_from_path($filepart);
1090 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
1091 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1094 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
1095 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
1098 transmitfile($meta->{filehash});
1101 $log->info("Updating '$filename'");
1102 my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
1104 my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/";
1107 my $file_local = $filepart . ".mine";
1108 system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
1109 my $file_old = $filepart . "." . $oldmeta->{revision};
1110 transmitfile($oldmeta->{filehash}, { targetfile => $file_old });
1111 my $file_new = $filepart . "." . $meta->{revision};
1112 transmitfile($meta->{filehash}, { targetfile => $file_new });
1114 # we need to merge with the local changes ( M=successful merge, C=conflict merge )
1115 $log->info("Merging $file_local, $file_old, $file_new");
1116 print "M Merging differences between 1.$oldmeta->{revision} and 1.$meta->{revision} into $filename\n";
1118 $log->debug("Temporary directory for merge is $dir");
1120 my $return = system("git", "merge-file", $file_local, $file_old, $file_new);
1125 $log->info("Merged successfully");
1126 print "M M $filename\n";
1127 $log->debug("Merged $dirpart");
1129 # Don't want to actually _DO_ the update if -n specified
1130 unless ( $state->{globaloptions}{-n} )
1132 print "Merged $dirpart\n";
1133 $log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
1134 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1135 my $kopts = kopts_from_path($filepart);
1136 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
1137 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1140 elsif ( $return == 1 )
1142 $log->info("Merged with conflicts");
1143 print "E cvs update: conflicts found in $filename\n";
1144 print "M C $filename\n";
1146 # Don't want to actually _DO_ the update if -n specified
1147 unless ( $state->{globaloptions}{-n} )
1149 print "Merged $dirpart\n";
1150 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1151 my $kopts = kopts_from_path($filepart);
1152 print "/$filepart/1.$meta->{revision}/+/$kopts/\n";
1157 $log->warn("Merge failed");
1161 # Don't want to actually _DO_ the update if -n specified
1162 unless ( $state->{globaloptions}{-n} )
1165 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
1166 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
1168 # transmit file, format is single integer on a line by itself (file
1169 # size) followed by the file contents
1170 # TODO : we should copy files in blocks
1171 my $data = `cat $file_local`;
1172 $log->debug("File size : " . length($data));
1173 print length($data) . "\n";
1187 my ( $cmd, $data ) = @_;
1191 #$log->debug("State : " . Dumper($state));
1193 $log->info("req_ci : " . ( defined($data) ? $data : "[NULL]" ));
1195 if ( $state->{method} eq 'pserver')
1197 print "error 1 pserver access cannot commit\n";
1201 if ( -e $state->{CVSROOT} . "/index" )
1203 $log->warn("file 'index' already exists in the git repository");
1204 print "error 1 Index already exists in git repo\n";
1208 # Grab a handle to the SQLite db and do any necessary updates
1209 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1212 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1213 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1214 $log->info("Lockless commit start, basing commit on '$tmpdir', index file is '$file_index'");
1216 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1217 $ENV{GIT_WORK_TREE} = ".";
1218 $ENV{GIT_INDEX_FILE} = $file_index;
1220 # Remember where the head was at the beginning.
1221 my $parenthash = `git show-ref -s refs/heads/$state->{module}`;
1223 if ($parenthash !~ /^[0-9a-f]{40}$/) {
1224 print "error 1 pserver cannot find the current HEAD of module";
1230 # populate the temporary index
1231 system("git-read-tree", $parenthash);
1234 die "Error running git-read-tree $state->{module} $file_index $!";
1236 $log->info("Created index '$file_index' for head $state->{module} - exit status $?");
1238 my @committedfiles = ();
1241 # foreach file specified on the command line ...
1242 foreach my $filename ( @{$state->{args}} )
1244 my $committedfile = $filename;
1245 $filename = filecleanup($filename);
1247 next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
1249 my $meta = $updater->getmeta($filename);
1250 $oldmeta{$filename} = $meta;
1252 my $wrev = revparse($filename);
1254 my ( $filepart, $dirpart ) = filenamesplit($filename);
1256 # do a checkout of the file if it is part of this tree
1258 system('git-checkout-index', '-f', '-u', $filename);
1260 die "Error running git-checkout-index -f -u $filename : $!";
1266 $rmflag = 1 if ( defined($wrev) and $wrev < 0 );
1267 $addflag = 1 unless ( -e $filename );
1269 # Do up to date checking
1270 unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
1272 # fail everything if an up to date check fails
1273 print "error 1 Up to date check failed for $filename\n";
1278 push @committedfiles, $committedfile;
1279 $log->info("Committing $filename");
1281 system("mkdir","-p",$dirpart) unless ( -d $dirpart );
1285 $log->debug("rename $state->{entries}{$filename}{modified_filename} $filename");
1286 rename $state->{entries}{$filename}{modified_filename},$filename;
1288 # Calculate modes to remove
1290 foreach ( qw (r w x) ) { $invmode .= $_ unless ( $state->{entries}{$filename}{modified_mode} =~ /$_/ ); }
1292 $log->debug("chmod u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode . " $filename");
1293 system("chmod","u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode, $filename);
1298 $log->info("Removing file '$filename'");
1300 system("git-update-index", "--remove", $filename);
1304 $log->info("Adding file '$filename'");
1305 system("git-update-index", "--add", $filename);
1307 $log->info("Updating file '$filename'");
1308 system("git-update-index", $filename);
1312 unless ( scalar(@committedfiles) > 0 )
1314 print "E No files to commit\n";
1320 my $treehash = `git-write-tree`;
1323 $log->debug("Treehash : $treehash, Parenthash : $parenthash");
1325 # write our commit message out if we have one ...
1326 my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
1327 print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
1328 print $msg_fh "\n\nvia git-CVS emulator\n";
1331 my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`;
1333 $log->info("Commit hash : $commithash");
1335 unless ( $commithash =~ /[a-zA-Z0-9]{40}/ )
1337 $log->warn("Commit failed (Invalid commit hash)");
1338 print "error 1 Commit failed (unknown reason)\n";
1343 ### Emulate git-receive-pack by running hooks/update
1344 my @hook = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
1345 $parenthash, $commithash );
1347 unless( system( @hook ) == 0 )
1349 $log->warn("Commit failed (update hook declined to update ref)");
1350 print "error 1 Commit failed (update hook declined)\n";
1357 if (system(qw(git update-ref -m), "cvsserver ci",
1358 "refs/heads/$state->{module}", $commithash, $parenthash)) {
1359 $log->warn("update-ref for $state->{module} failed.");
1360 print "error 1 Cannot commit -- update first\n";
1364 ### Emulate git-receive-pack by running hooks/post-receive
1365 my $hook = $ENV{GIT_DIR}.'hooks/post-receive';
1367 open(my $pipe, "| $hook") || die "can't fork $!";
1369 local $SIG{PIPE} = sub { die 'pipe broke' };
1371 print $pipe "$parenthash $commithash refs/heads/$state->{module}\n";
1373 close $pipe || die "bad pipe: $! $?";
1376 ### Then hooks/post-update
1377 $hook = $ENV{GIT_DIR}.'hooks/post-update';
1379 system($hook, "refs/heads/$state->{module}");
1384 # foreach file specified on the command line ...
1385 foreach my $filename ( @committedfiles )
1387 $filename = filecleanup($filename);
1389 my $meta = $updater->getmeta($filename);
1390 unless (defined $meta->{revision}) {
1391 $meta->{revision} = 1;
1394 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
1396 $log->debug("Checked-in $dirpart : $filename");
1398 print "M $state->{CVSROOT}/$state->{module}/$filename,v <-- $dirpart$filepart\n";
1399 if ( defined $meta->{filehash} && $meta->{filehash} eq "deleted" )
1401 print "M new revision: delete; previous revision: 1.$oldmeta{$filename}{revision}\n";
1402 print "Remove-entry $dirpart\n";
1403 print "$filename\n";
1405 if ($meta->{revision} == 1) {
1406 print "M initial revision: 1.1\n";
1408 print "M new revision: 1.$meta->{revision}; previous revision: 1.$oldmeta{$filename}{revision}\n";
1410 print "Checked-in $dirpart\n";
1411 print "$filename\n";
1412 my $kopts = kopts_from_path($filepart);
1413 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1423 my ( $cmd, $data ) = @_;
1427 $log->info("req_status : " . ( defined($data) ? $data : "[NULL]" ));
1428 #$log->debug("status state : " . Dumper($state));
1430 # Grab a handle to the SQLite db and do any necessary updates
1431 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1434 # if no files were specified, we need to work out what files we should be providing status on ...
1435 argsfromdir($updater);
1437 # foreach file specified on the command line ...
1438 foreach my $filename ( @{$state->{args}} )
1440 $filename = filecleanup($filename);
1442 next if exists($state->{opt}{l}) && index($filename, '/', length($state->{prependdir})) >= 0;
1444 my $meta = $updater->getmeta($filename);
1445 my $oldmeta = $meta;
1447 my $wrev = revparse($filename);
1449 # If the working copy is an old revision, lets get that version too for comparison.
1450 if ( defined($wrev) and $wrev != $meta->{revision} )
1452 $oldmeta = $updater->getmeta($filename, $wrev);
1455 # TODO : All possible statuses aren't yet implemented
1457 # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1458 $status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
1460 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1461 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
1464 # Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
1465 $status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
1467 ( $state->{entries}{$filename}{unchanged}
1468 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
1471 # Need checkout if it exists in the repo but doesn't have a working copy
1472 $status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
1474 # Locally modified if working copy and repo copy have the same revision but there are local changes
1475 $status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
1477 # Needs Merge if working copy revision is less than repo copy and there are local changes
1478 $status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
1480 $status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
1481 $status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
1482 $status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
1483 $status ||= "File had conflicts on merge" if ( 0 );
1485 $status ||= "Unknown";
1487 my ($filepart) = filenamesplit($filename);
1489 print "M ===================================================================\n";
1490 print "M File: $filepart\tStatus: $status\n";
1491 if ( defined($state->{entries}{$filename}{revision}) )
1493 print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
1495 print "M Working revision:\tNo entry for $filename\n";
1497 if ( defined($meta->{revision}) )
1499 print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{CVSROOT}/$state->{module}/$filename,v\n";
1500 print "M Sticky Tag:\t\t(none)\n";
1501 print "M Sticky Date:\t\t(none)\n";
1502 print "M Sticky Options:\t\t(none)\n";
1504 print "M Repository revision:\tNo revision control file\n";
1514 my ( $cmd, $data ) = @_;
1518 $log->debug("req_diff : " . ( defined($data) ? $data : "[NULL]" ));
1519 #$log->debug("status state : " . Dumper($state));
1521 my ($revision1, $revision2);
1522 if ( defined ( $state->{opt}{r} ) and ref $state->{opt}{r} eq "ARRAY" )
1524 $revision1 = $state->{opt}{r}[0];
1525 $revision2 = $state->{opt}{r}[1];
1527 $revision1 = $state->{opt}{r};
1530 $revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
1531 $revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
1533 $log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
1535 # Grab a handle to the SQLite db and do any necessary updates
1536 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1539 # if no files were specified, we need to work out what files we should be providing status on ...
1540 argsfromdir($updater);
1542 # foreach file specified on the command line ...
1543 foreach my $filename ( @{$state->{args}} )
1545 $filename = filecleanup($filename);
1547 my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
1549 my $wrev = revparse($filename);
1551 # We need _something_ to diff against
1552 next unless ( defined ( $wrev ) );
1554 # if we have a -r switch, use it
1555 if ( defined ( $revision1 ) )
1557 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1558 $meta1 = $updater->getmeta($filename, $revision1);
1559 unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
1561 print "E File $filename at revision 1.$revision1 doesn't exist\n";
1564 transmitfile($meta1->{filehash}, { targetfile => $file1 });
1566 # otherwise we just use the working copy revision
1569 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1570 $meta1 = $updater->getmeta($filename, $wrev);
1571 transmitfile($meta1->{filehash}, { targetfile => $file1 });
1574 # if we have a second -r switch, use it too
1575 if ( defined ( $revision2 ) )
1577 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1578 $meta2 = $updater->getmeta($filename, $revision2);
1580 unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
1582 print "E File $filename at revision 1.$revision2 doesn't exist\n";
1586 transmitfile($meta2->{filehash}, { targetfile => $file2 });
1588 # otherwise we just use the working copy
1591 $file2 = $state->{entries}{$filename}{modified_filename};
1594 # if we have been given -r, and we don't have a $file2 yet, lets get one
1595 if ( defined ( $revision1 ) and not defined ( $file2 ) )
1597 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1598 $meta2 = $updater->getmeta($filename, $wrev);
1599 transmitfile($meta2->{filehash}, { targetfile => $file2 });
1602 # We need to have retrieved something useful
1603 next unless ( defined ( $meta1 ) );
1605 # Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1606 next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
1608 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1609 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
1612 # Apparently we only show diffs for locally modified files
1613 next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
1615 print "M Index: $filename\n";
1616 print "M ===================================================================\n";
1617 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1618 print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
1619 print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
1621 foreach my $opt ( keys %{$state->{opt}} )
1623 if ( ref $state->{opt}{$opt} eq "ARRAY" )
1625 foreach my $value ( @{$state->{opt}{$opt}} )
1627 print "-$opt $value ";
1631 print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
1634 print "$filename\n";
1636 $log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
1638 ( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
1640 if ( exists $state->{opt}{u} )
1642 system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
1644 system("diff $file1 $file2 > $filediff");
1659 my ( $cmd, $data ) = @_;
1663 $log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
1664 #$log->debug("log state : " . Dumper($state));
1666 my ( $minrev, $maxrev );
1667 if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
1672 $minrev =~ s/^1\.// if ( defined ( $minrev ) );
1673 $maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
1674 $minrev++ if ( defined($minrev) and $control eq "::" );
1677 # Grab a handle to the SQLite db and do any necessary updates
1678 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1681 # if no files were specified, we need to work out what files we should be providing status on ...
1682 argsfromdir($updater);
1684 # foreach file specified on the command line ...
1685 foreach my $filename ( @{$state->{args}} )
1687 $filename = filecleanup($filename);
1689 my $headmeta = $updater->getmeta($filename);
1691 my $revisions = $updater->getlog($filename);
1692 my $totalrevisions = scalar(@$revisions);
1694 if ( defined ( $minrev ) )
1696 $log->debug("Removing revisions less than $minrev");
1697 while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
1702 if ( defined ( $maxrev ) )
1704 $log->debug("Removing revisions greater than $maxrev");
1705 while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
1711 next unless ( scalar(@$revisions) );
1714 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1715 print "M Working file: $filename\n";
1716 print "M head: 1.$headmeta->{revision}\n";
1717 print "M branch:\n";
1718 print "M locks: strict\n";
1719 print "M access list:\n";
1720 print "M symbolic names:\n";
1721 print "M keyword substitution: kv\n";
1722 print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
1723 print "M description:\n";
1725 foreach my $revision ( @$revisions )
1727 print "M ----------------------------\n";
1728 print "M revision 1.$revision->{revision}\n";
1729 # reformat the date for log output
1730 $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}) );
1731 $revision->{author} =~ s/\s+.*//;
1732 $revision->{author} =~ s/^(.{8}).*/$1/;
1733 print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
1734 my $commitmessage = $updater->commitmessage($revision->{commithash});
1735 $commitmessage =~ s/^/M /mg;
1736 print $commitmessage . "\n";
1738 print "M =============================================================================\n";
1746 my ( $cmd, $data ) = @_;
1748 argsplit("annotate");
1750 $log->info("req_annotate : " . ( defined($data) ? $data : "[NULL]" ));
1751 #$log->debug("status state : " . Dumper($state));
1753 # Grab a handle to the SQLite db and do any necessary updates
1754 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1757 # if no files were specified, we need to work out what files we should be providing annotate on ...
1758 argsfromdir($updater);
1760 # we'll need a temporary checkout dir
1761 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1762 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1763 $log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'");
1765 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1766 $ENV{GIT_WORK_TREE} = ".";
1767 $ENV{GIT_INDEX_FILE} = $file_index;
1771 # foreach file specified on the command line ...
1772 foreach my $filename ( @{$state->{args}} )
1774 $filename = filecleanup($filename);
1776 my $meta = $updater->getmeta($filename);
1778 next unless ( $meta->{revision} );
1780 # get all the commits that this file was in
1781 # in dense format -- aka skip dead revisions
1782 my $revisions = $updater->gethistorydense($filename);
1783 my $lastseenin = $revisions->[0][2];
1785 # populate the temporary index based on the latest commit were we saw
1786 # the file -- but do it cheaply without checking out any files
1787 # TODO: if we got a revision from the client, use that instead
1788 # to look up the commithash in sqlite (still good to default to
1789 # the current head as we do now)
1790 system("git-read-tree", $lastseenin);
1793 print "E error running git-read-tree $lastseenin $file_index $!\n";
1796 $log->info("Created index '$file_index' with commit $lastseenin - exit status $?");
1798 # do a checkout of the file
1799 system('git-checkout-index', '-f', '-u', $filename);
1801 print "E error running git-checkout-index -f -u $filename : $!\n";
1805 $log->info("Annotate $filename");
1807 # Prepare a file with the commits from the linearized
1808 # history that annotate should know about. This prevents
1809 # git-jsannotate telling us about commits we are hiding
1812 my $a_hints = "$tmpdir/.annotate_hints";
1813 if (!open(ANNOTATEHINTS, '>', $a_hints)) {
1814 print "E failed to open '$a_hints' for writing: $!\n";
1817 for (my $i=0; $i < @$revisions; $i++)
1819 print ANNOTATEHINTS $revisions->[$i][2];
1820 if ($i+1 < @$revisions) { # have we got a parent?
1821 print ANNOTATEHINTS ' ' . $revisions->[$i+1][2];
1823 print ANNOTATEHINTS "\n";
1826 print ANNOTATEHINTS "\n";
1828 or (print "E failed to write $a_hints: $!\n"), return;
1830 my @cmd = (qw(git-annotate -l -S), $a_hints, $filename);
1831 if (!open(ANNOTATE, "-|", @cmd)) {
1832 print "E error invoking ". join(' ',@cmd) .": $!\n";
1836 print "E Annotations for $filename\n";
1837 print "E ***************\n";
1838 while ( <ANNOTATE> )
1840 if (m/^([a-zA-Z0-9]{40})\t\([^\)]*\)(.*)$/i)
1842 my $commithash = $1;
1844 unless ( defined ( $metadata->{$commithash} ) )
1846 $metadata->{$commithash} = $updater->getmeta($filename, $commithash);
1847 $metadata->{$commithash}{author} =~ s/\s+.*//;
1848 $metadata->{$commithash}{author} =~ s/^(.{8}).*/$1/;
1849 $metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
1851 printf("M 1.%-5d (%-8s %10s): %s\n",
1852 $metadata->{$commithash}{revision},
1853 $metadata->{$commithash}{author},
1854 $metadata->{$commithash}{modified},
1858 $log->warn("Error in annotate output! LINE: $_");
1859 print "E Annotate error \n";
1866 # done; get out of the tempdir
1873 # This method takes the state->{arguments} array and produces two new arrays.
1874 # The first is $state->{args} which is everything before the '--' argument, and
1875 # the second is $state->{files} which is everything after it.
1878 $state->{args} = [];
1879 $state->{files} = [];
1882 return unless( defined($state->{arguments}) and ref $state->{arguments} eq "ARRAY" );
1886 if ( defined($type) )
1889 $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" );
1890 $opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
1891 $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" );
1892 $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
1893 $opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
1894 $opt = { k => 1, m => 1 } if ( $type eq "add" );
1895 $opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
1896 $opt = { l => 0, b => 0, h => 0, R => 0, t => 0, N => 0, S => 0, r => 1, d => 1, s => 1, w => 1 } if ( $type eq "log" );
1899 while ( scalar ( @{$state->{arguments}} ) > 0 )
1901 my $arg = shift @{$state->{arguments}};
1903 next if ( $arg eq "--" );
1904 next unless ( $arg =~ /\S/ );
1906 # if the argument looks like a switch
1907 if ( $arg =~ /^-(\w)(.*)/ )
1909 # if it's a switch that takes an argument
1912 # If this switch has already been provided
1913 if ( $opt->{$1} > 1 and exists ( $state->{opt}{$1} ) )
1915 $state->{opt}{$1} = [ $state->{opt}{$1} ];
1916 if ( length($2) > 0 )
1918 push @{$state->{opt}{$1}},$2;
1920 push @{$state->{opt}{$1}}, shift @{$state->{arguments}};
1923 # if there's extra data in the arg, use that as the argument for the switch
1924 if ( length($2) > 0 )
1926 $state->{opt}{$1} = $2;
1928 $state->{opt}{$1} = shift @{$state->{arguments}};
1932 $state->{opt}{$1} = undef;
1937 push @{$state->{args}}, $arg;
1945 foreach my $value ( @{$state->{arguments}} )
1947 if ( $value eq "--" )
1952 push @{$state->{args}}, $value if ( $mode == 0 );
1953 push @{$state->{files}}, $value if ( $mode == 1 );
1958 # This method uses $state->{directory} to populate $state->{args} with a list of filenames
1961 my $updater = shift;
1963 $state->{args} = [] if ( scalar(@{$state->{args}}) == 1 and $state->{args}[0] eq "." );
1965 return if ( scalar ( @{$state->{args}} ) > 1 );
1967 my @gethead = @{$updater->gethead};
1970 foreach my $file (keys %{$state->{entries}}) {
1971 if ( exists $state->{entries}{$file}{revision} &&
1972 $state->{entries}{$file}{revision} == 0 )
1974 push @gethead, { name => $file, filehash => 'added' };
1978 if ( scalar(@{$state->{args}}) == 1 )
1980 my $arg = $state->{args}[0];
1981 $arg .= $state->{prependdir} if ( defined ( $state->{prependdir} ) );
1983 $log->info("Only one arg specified, checking for directory expansion on '$arg'");
1985 foreach my $file ( @gethead )
1987 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
1988 next unless ( $file->{name} =~ /^$arg\// or $file->{name} eq $arg );
1989 push @{$state->{args}}, $file->{name};
1992 shift @{$state->{args}} if ( scalar(@{$state->{args}}) > 1 );
1994 $log->info("Only one arg specified, populating file list automatically");
1996 $state->{args} = [];
1998 foreach my $file ( @gethead )
2000 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
2001 next unless ( $file->{name} =~ s/^$state->{prependdir}// );
2002 push @{$state->{args}}, $file->{name};
2007 # This method cleans up the $state variable after a command that uses arguments has run
2010 $state->{files} = [];
2011 $state->{args} = [];
2012 $state->{arguments} = [];
2013 $state->{entries} = {};
2018 my $filename = shift;
2020 return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
2022 return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
2023 return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
2028 # This method takes a file hash and does a CVS "file transfer". Its
2029 # exact behaviour depends on a second, optional hash table argument:
2030 # - If $options->{targetfile}, dump the contents to that file;
2031 # - If $options->{print}, use M/MT to transmit the contents one line
2033 # - Otherwise, transmit the size of the file, followed by the file
2037 my $filehash = shift;
2038 my $options = shift;
2040 if ( defined ( $filehash ) and $filehash eq "deleted" )
2042 $log->warn("filehash is 'deleted'");
2046 die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
2048 my $type = `git-cat-file -t $filehash`;
2051 die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
2053 my $size = `git-cat-file -s $filehash`;
2056 $log->debug("transmitfile($filehash) size=$size, type=$type");
2058 if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
2060 if ( defined ( $options->{targetfile} ) )
2062 my $targetfile = $options->{targetfile};
2063 open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
2064 print NEWFILE $_ while ( <$fh> );
2065 close NEWFILE or die("Failed to write '$targetfile': $!");
2066 } elsif ( defined ( $options->{print} ) && $options->{print} ) {
2071 print 'MT text ', $_, "\n";
2076 print while ( <$fh> );
2078 close $fh or die ("Couldn't close filehandle for transmitfile(): $!");
2080 die("Couldn't execute git-cat-file");
2084 # This method takes a file name, and returns ( $dirpart, $filepart ) which
2085 # refers to the directory portion and the file portion of the filename
2089 my $filename = shift;
2090 my $fixforlocaldir = shift;
2092 my ( $filepart, $dirpart ) = ( $filename, "." );
2093 ( $filepart, $dirpart ) = ( $2, $1 ) if ( $filename =~ /(.*)\/(.*)/ );
2096 if ( $fixforlocaldir )
2098 $dirpart =~ s/^$state->{prependdir}//;
2101 return ( $filepart, $dirpart );
2106 my $filename = shift;
2108 return undef unless(defined($filename));
2109 if ( $filename =~ /^\// )
2111 print "E absolute filenames '$filename' not supported by server\n";
2115 $filename =~ s/^\.\///g;
2116 $filename = $state->{prependdir} . $filename;
2120 # Given a path, this function returns a string containing the kopts
2121 # that should go into that path's Entries line. For example, a binary
2122 # file should get -kb.
2127 # Once it exists, the git attributes system should be used to look up
2128 # what attributes apply to this path.
2130 # Until then, take the setting from the config file
2131 unless ( defined ( $cfg->{gitcvs}{allbinary} ) and $cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i )
2133 # Return "" to give no special treatment to any path
2136 # Alternatively, to have all files treated as if they are binary (which
2137 # is more like git itself), always return the "-kb" option
2142 package GITCVS::log;
2145 #### Copyright The Open University UK - 2006.
2147 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2148 #### Martin Langhoff <martin@catalyst.net.nz>
2161 This module provides very crude logging with a similar interface to
2170 Creates a new log object, optionally you can specify a filename here to
2171 indicate the file to log to. If no log file is specified, you can specify one
2172 later with method setfile, or indicate you no longer want logging with method
2175 Until one of these methods is called, all log calls will buffer messages ready
2182 my $filename = shift;
2186 bless $self, $class;
2188 if ( defined ( $filename ) )
2190 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
2198 This methods takes a filename, and attempts to open that file as the log file.
2199 If successful, all buffered data is written out to the file, and any further
2200 logging is written directly to the file.
2206 my $filename = shift;
2208 if ( defined ( $filename ) )
2210 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
2213 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
2215 while ( my $line = shift @{$self->{buffer}} )
2217 print {$self->{fh}} $line;
2223 This method indicates no logging is going to be used. It flushes any entries in
2224 the internal buffer, and sets a flag to ensure no further data is put there.
2233 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
2235 $self->{buffer} = [];
2240 Internal method. Returns true if the log file is open, false otherwise.
2247 return 1 if ( defined ( $self->{fh} ) and ref $self->{fh} eq "GLOB" );
2251 =head2 debug info warn fatal
2253 These four methods are wrappers to _log. They provide the actual interface for
2257 sub debug { my $self = shift; $self->_log("debug", @_); }
2258 sub info { my $self = shift; $self->_log("info" , @_); }
2259 sub warn { my $self = shift; $self->_log("warn" , @_); }
2260 sub fatal { my $self = shift; $self->_log("fatal", @_); }
2264 This is an internal method called by the logging functions. It generates a
2265 timestamp and pushes the logged line either to file, or internal buffer.
2273 return if ( $self->{nolog} );
2275 my @time = localtime;
2276 my $timestring = sprintf("%4d-%02d-%02d %02d:%02d:%02d : %-5s",
2286 if ( $self->_logopen )
2288 print {$self->{fh}} $timestring . " - " . join(" ",@_) . "\n";
2290 push @{$self->{buffer}}, $timestring . " - " . join(" ",@_) . "\n";
2296 This method simply closes the file handle if one is open
2303 if ( $self->_logopen )
2309 package GITCVS::updater;
2312 #### Copyright The Open University UK - 2006.
2314 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2315 #### Martin Langhoff <martin@catalyst.net.nz>
2337 die "Need to specify a git repository" unless ( defined($config) and -d $config );
2338 die "Need to specify a module" unless ( defined($module) );
2340 $class = ref($class) || $class;
2344 bless $self, $class;
2346 $self->{module} = $module;
2347 $self->{git_path} = $config . "/";
2349 $self->{log} = $log;
2351 die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
2353 $self->{dbdriver} = $cfg->{gitcvs}{$state->{method}}{dbdriver} ||
2354 $cfg->{gitcvs}{dbdriver} || "SQLite";
2355 $self->{dbname} = $cfg->{gitcvs}{$state->{method}}{dbname} ||
2356 $cfg->{gitcvs}{dbname} || "%Ggitcvs.%m.sqlite";
2357 $self->{dbuser} = $cfg->{gitcvs}{$state->{method}}{dbuser} ||
2358 $cfg->{gitcvs}{dbuser} || "";
2359 $self->{dbpass} = $cfg->{gitcvs}{$state->{method}}{dbpass} ||
2360 $cfg->{gitcvs}{dbpass} || "";
2361 my %mapping = ( m => $module,
2362 a => $state->{method},
2363 u => getlogin || getpwuid($<) || $<,
2364 G => $self->{git_path},
2365 g => mangle_dirname($self->{git_path}),
2367 $self->{dbname} =~ s/%([mauGg])/$mapping{$1}/eg;
2368 $self->{dbuser} =~ s/%([mauGg])/$mapping{$1}/eg;
2370 die "Invalid char ':' in dbdriver" if $self->{dbdriver} =~ /:/;
2371 die "Invalid char ';' in dbname" if $self->{dbname} =~ /;/;
2372 $self->{dbh} = DBI->connect("dbi:$self->{dbdriver}:dbname=$self->{dbname}",
2375 die "Error connecting to database\n" unless defined $self->{dbh};
2377 $self->{tables} = {};
2378 foreach my $table ( keys %{$self->{dbh}->table_info(undef,undef,undef,'TABLE')->fetchall_hashref('TABLE_NAME')} )
2380 $self->{tables}{$table} = 1;
2383 # Construct the revision table if required
2384 unless ( $self->{tables}{revision} )
2387 CREATE TABLE revision (
2389 revision INTEGER NOT NULL,
2390 filehash TEXT NOT NULL,
2391 commithash TEXT NOT NULL,
2392 author TEXT NOT NULL,
2393 modified TEXT NOT NULL,
2398 CREATE INDEX revision_ix1
2399 ON revision (name,revision)
2402 CREATE INDEX revision_ix2
2403 ON revision (name,commithash)
2407 # Construct the head table if required
2408 unless ( $self->{tables}{head} )
2413 revision INTEGER NOT NULL,
2414 filehash TEXT NOT NULL,
2415 commithash TEXT NOT NULL,
2416 author TEXT NOT NULL,
2417 modified TEXT NOT NULL,
2422 CREATE INDEX head_ix1
2427 # Construct the properties table if required
2428 unless ( $self->{tables}{properties} )
2431 CREATE TABLE properties (
2432 key TEXT NOT NULL PRIMARY KEY,
2438 # Construct the commitmsgs table if required
2439 unless ( $self->{tables}{commitmsgs} )
2442 CREATE TABLE commitmsgs (
2443 key TEXT NOT NULL PRIMARY KEY,
2459 # first lets get the commit list
2460 $ENV{GIT_DIR} = $self->{git_path};
2462 my $commitsha1 = `git rev-parse $self->{module}`;
2465 my $commitinfo = `git cat-file commit $self->{module} 2>&1`;
2466 unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
2468 die("Invalid module '$self->{module}'");
2473 my $lastcommit = $self->_get_prop("last_commit");
2475 if (defined $lastcommit && $lastcommit eq $commitsha1) { # up-to-date
2479 # Start exclusive lock here...
2480 $self->{dbh}->begin_work() or die "Cannot lock database for BEGIN";
2482 # TODO: log processing is memory bound
2483 # if we can parse into a 2nd file that is in reverse order
2484 # we can probably do something really efficient
2485 my @git_log_params = ('--pretty', '--parents', '--topo-order');
2487 if (defined $lastcommit) {
2488 push @git_log_params, "$lastcommit..$self->{module}";
2490 push @git_log_params, $self->{module};
2492 # git-rev-list is the backend / plumbing version of git-log
2493 open(GITLOG, '-|', 'git-rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
2502 if (m/^commit\s+(.*)$/) {
2503 # on ^commit lines put the just seen commit in the stack
2504 # and prime things for the next one
2507 unshift @commits, \%copy;
2510 my @parents = split(m/\s+/, $1);
2511 $commit{hash} = shift @parents;
2512 $commit{parents} = \@parents;
2513 } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
2514 # on rfc822-like lines seen before we see any message,
2515 # lowercase the entry and put it in the hash as key-value
2516 $commit{lc($1)} = $2;
2518 # message lines - skip initial empty line
2519 # and trim whitespace
2520 if (!exists($commit{message}) && m/^\s*$/) {
2521 # define it to mark the end of headers
2522 $commit{message} = '';
2525 s/^\s+//; s/\s+$//; # trim ws
2526 $commit{message} .= $_ . "\n";
2531 unshift @commits, \%commit if ( keys %commit );
2533 # Now all the commits are in the @commits bucket
2534 # ordered by time DESC. for each commit that needs processing,
2535 # determine whether it's following the last head we've seen or if
2536 # it's on its own branch, grab a file list, and add whatever's changed
2537 # NOTE: $lastcommit refers to the last commit from previous run
2538 # $lastpicked is the last commit we picked in this run
2541 if (defined $lastcommit) {
2542 $lastpicked = $lastcommit;
2545 my $committotal = scalar(@commits);
2546 my $commitcount = 0;
2548 # Load the head table into $head (for cached lookups during the update process)
2549 foreach my $file ( @{$self->gethead()} )
2551 $head->{$file->{name}} = $file;
2554 foreach my $commit ( @commits )
2556 $self->{log}->debug("GITCVS::updater - Processing commit $commit->{hash} (" . (++$commitcount) . " of $committotal)");
2557 if (defined $lastpicked)
2559 if (!in_array($lastpicked, @{$commit->{parents}}))
2561 # skip, we'll see this delta
2562 # as part of a merge later
2563 # warn "skipping off-track $commit->{hash}\n";
2565 } elsif (@{$commit->{parents}} > 1) {
2566 # it is a merge commit, for each parent that is
2567 # not $lastpicked, see if we can get a log
2568 # from the merge-base to that parent to put it
2569 # in the message as a merge summary.
2570 my @parents = @{$commit->{parents}};
2571 foreach my $parent (@parents) {
2572 # git-merge-base can potentially (but rarely) throw
2573 # several candidate merge bases. let's assume
2574 # that the first one is the best one.
2575 if ($parent eq $lastpicked) {
2579 safe_pipe_capture('git-merge-base',
2580 $lastpicked, $parent);
2582 # The two branches may not be related at all,
2583 # in which case merge base simply fails to find
2584 # any, but that's Ok.
2590 # print "want to log between $base $parent \n";
2591 open(GITLOG, '-|', 'git-log', '--pretty=medium', "$base..$parent")
2592 or die "Cannot call git-log: $!";
2596 if (!defined $mergedhash) {
2597 if (m/^commit\s+(.+)$/) {
2603 # grab the first line that looks non-rfc822
2604 # aka has content after leading space
2605 if (m/^\s+(\S.*)$/) {
2607 $title = substr($title,0,100); # truncate
2608 unshift @merged, "$mergedhash $title";
2615 $commit->{mergemsg} = $commit->{message};
2616 $commit->{mergemsg} .= "\nSummary of merged commits:\n\n";
2617 foreach my $summary (@merged) {
2618 $commit->{mergemsg} .= "\t$summary\n";
2620 $commit->{mergemsg} .= "\n\n";
2621 # print "Message for $commit->{hash} \n$commit->{mergemsg}";
2628 # convert the date to CVS-happy format
2629 $commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
2631 if ( defined ( $lastpicked ) )
2633 my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
2635 while ( <FILELIST> )
2638 unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)$/o )
2640 die("Couldn't process git-diff-tree line : $_");
2642 my ($mode, $hash, $change) = ($1, $2, $3);
2643 my $name = <FILELIST>;
2646 # $log->debug("File mode=$mode, hash=$hash, change=$change, name=$name");
2649 $git_perms .= "r" if ( $mode & 4 );
2650 $git_perms .= "w" if ( $mode & 2 );
2651 $git_perms .= "x" if ( $mode & 1 );
2652 $git_perms = "rw" if ( $git_perms eq "" );
2654 if ( $change eq "D" )
2656 #$log->debug("DELETE $name");
2659 revision => $head->{$name}{revision} + 1,
2660 filehash => "deleted",
2661 commithash => $commit->{hash},
2662 modified => $commit->{date},
2663 author => $commit->{author},
2666 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2668 elsif ( $change eq "M" )
2670 #$log->debug("MODIFIED $name");
2673 revision => $head->{$name}{revision} + 1,
2675 commithash => $commit->{hash},
2676 modified => $commit->{date},
2677 author => $commit->{author},
2680 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2682 elsif ( $change eq "A" )
2684 #$log->debug("ADDED $name");
2687 revision => $head->{$name}{revision} ? $head->{$name}{revision}+1 : 1,
2689 commithash => $commit->{hash},
2690 modified => $commit->{date},
2691 author => $commit->{author},
2694 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2698 $log->warn("UNKNOWN FILE CHANGE mode=$mode, hash=$hash, change=$change, name=$name");
2704 # this is used to detect files removed from the repo
2705 my $seen_files = {};
2707 my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
2709 while ( <FILELIST> )
2712 unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
2714 die("Couldn't process git-ls-tree line : $_");
2717 my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
2719 $seen_files->{$git_filename} = 1;
2721 my ( $oldhash, $oldrevision, $oldmode ) = (
2722 $head->{$git_filename}{filehash},
2723 $head->{$git_filename}{revision},
2724 $head->{$git_filename}{mode}
2727 if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
2730 $git_perms .= "r" if ( $1 & 4 );
2731 $git_perms .= "w" if ( $1 & 2 );
2732 $git_perms .= "x" if ( $1 & 1 );
2737 # unless the file exists with the same hash, we need to update it ...
2738 unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
2740 my $newrevision = ( $oldrevision or 0 ) + 1;
2742 $head->{$git_filename} = {
2743 name => $git_filename,
2744 revision => $newrevision,
2745 filehash => $git_hash,
2746 commithash => $commit->{hash},
2747 modified => $commit->{date},
2748 author => $commit->{author},
2753 $self->insert_rev($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2758 # Detect deleted files
2759 foreach my $file ( keys %$head )
2761 unless ( exists $seen_files->{$file} or $head->{$file}{filehash} eq "deleted" )
2763 $head->{$file}{revision}++;
2764 $head->{$file}{filehash} = "deleted";
2765 $head->{$file}{commithash} = $commit->{hash};
2766 $head->{$file}{modified} = $commit->{date};
2767 $head->{$file}{author} = $commit->{author};
2769 $self->insert_rev($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
2772 # END : "Detect deleted files"
2776 if (exists $commit->{mergemsg})
2778 $self->insert_mergelog($commit->{hash}, $commit->{mergemsg});
2781 $lastpicked = $commit->{hash};
2783 $self->_set_prop("last_commit", $commit->{hash});
2786 $self->delete_head();
2787 foreach my $file ( keys %$head )
2791 $head->{$file}{revision},
2792 $head->{$file}{filehash},
2793 $head->{$file}{commithash},
2794 $head->{$file}{modified},
2795 $head->{$file}{author},
2796 $head->{$file}{mode},
2799 # invalidate the gethead cache
2800 $self->{gethead_cache} = undef;
2803 # Ending exclusive lock here
2804 $self->{dbh}->commit() or die "Failed to commit changes to SQLite";
2811 my $revision = shift;
2812 my $filehash = shift;
2813 my $commithash = shift;
2814 my $modified = shift;
2818 my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO revision (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
2819 $insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
2828 my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO commitmsgs (key, value) VALUES (?,?)",{},1);
2829 $insert_mergelog->execute($key, $value);
2836 my $delete_head = $self->{dbh}->prepare_cached("DELETE FROM head",{},1);
2837 $delete_head->execute();
2844 my $revision = shift;
2845 my $filehash = shift;
2846 my $commithash = shift;
2847 my $modified = shift;
2851 my $insert_head = $self->{dbh}->prepare_cached("INSERT INTO head (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
2852 $insert_head->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
2858 my $filename = shift;
2860 my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM head WHERE name=?",{},1);
2861 $db_query->execute($filename);
2862 my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
2864 return ( $hash, $revision, $mode );
2872 my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM properties WHERE key=?",{},1);
2873 $db_query->execute($key);
2874 my ( $value ) = $db_query->fetchrow_array;
2885 my $db_query = $self->{dbh}->prepare_cached("UPDATE properties SET value=? WHERE key=?",{},1);
2886 $db_query->execute($value, $key);
2888 unless ( $db_query->rows )
2890 $db_query = $self->{dbh}->prepare_cached("INSERT INTO properties (key, value) VALUES (?,?)",{},1);
2891 $db_query->execute($key, $value);
2905 return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
2907 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM head ORDER BY name ASC",{},1);
2908 $db_query->execute();
2911 while ( my $file = $db_query->fetchrow_hashref )
2916 $self->{gethead_cache} = $tree;
2928 my $filename = shift;
2930 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2931 $db_query->execute($filename);
2934 while ( my $file = $db_query->fetchrow_hashref )
2944 This function takes a filename (with path) argument and returns a hashref of
2945 metadata for that file.
2952 my $filename = shift;
2953 my $revision = shift;
2956 if ( defined($revision) and $revision =~ /^\d+$/ )
2958 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND revision=?",{},1);
2959 $db_query->execute($filename, $revision);
2961 elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
2963 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND commithash=?",{},1);
2964 $db_query->execute($filename, $revision);
2966 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM head WHERE name=?",{},1);
2967 $db_query->execute($filename);
2970 return $db_query->fetchrow_hashref;
2973 =head2 commitmessage
2975 this function takes a commithash and returns the commit message for that commit
2981 my $commithash = shift;
2983 die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
2986 $db_query = $self->{dbh}->prepare_cached("SELECT value FROM commitmsgs WHERE key=?",{},1);
2987 $db_query->execute($commithash);
2989 my ( $message ) = $db_query->fetchrow_array;
2991 if ( defined ( $message ) )
2993 $message .= " " if ( $message =~ /\n$/ );
2997 my @lines = safe_pipe_capture("git-cat-file", "commit", $commithash);
2998 shift @lines while ( $lines[0] =~ /\S/ );
2999 $message = join("",@lines);
3000 $message .= " " if ( $message =~ /\n$/ );
3006 This function takes a filename (with path) argument and returns an arrayofarrays
3007 containing revision,filehash,commithash ordered by revision descending
3013 my $filename = shift;
3016 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
3017 $db_query->execute($filename);
3019 return $db_query->fetchall_arrayref;
3022 =head2 gethistorydense
3024 This function takes a filename (with path) argument and returns an arrayofarrays
3025 containing revision,filehash,commithash ordered by revision descending.
3027 This version of gethistory skips deleted entries -- so it is useful for annotate.
3028 The 'dense' part is a reference to a '--dense' option available for git-rev-list
3029 and other git tools that depend on it.
3035 my $filename = shift;
3038 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
3039 $db_query->execute($filename);
3041 return $db_query->fetchall_arrayref;
3046 from Array::PAT - mimics the in_array() function
3047 found in PHP. Yuck but works for small arrays.
3052 my ($check, @array) = @_;
3054 foreach my $test (@array){
3055 if($check eq $test){
3062 =head2 safe_pipe_capture
3064 an alternative to `command` that allows input to be passed as an array
3065 to work around shell problems with weird characters in arguments
3068 sub safe_pipe_capture {
3072 if (my $pid = open my $child, '-|') {
3073 @output = (<$child>);
3074 close $child or die join(' ',@_).": $! $?";
3076 exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
3078 return wantarray ? @output : join('',@output);
3081 =head2 mangle_dirname
3083 create a string from a directory name that is suitable to use as
3084 part of a filename, mainly by converting all chars except \w.- to _
3087 sub mangle_dirname {
3088 my $dirname = shift;
3089 return unless defined $dirname;
3091 $dirname =~ s/[^\w.-]/_/g;