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/;
26 my $log = GITCVS::log->new();
44 # Enable autoflush for STDOUT (otherwise the whole thing falls apart)
47 #### Definition and mappings of functions ####
51 'Valid-responses' => \&req_Validresponses,
52 'valid-requests' => \&req_validrequests,
53 'Directory' => \&req_Directory,
54 'Entry' => \&req_Entry,
55 'Modified' => \&req_Modified,
56 'Unchanged' => \&req_Unchanged,
57 'Questionable' => \&req_Questionable,
58 'Argument' => \&req_Argument,
59 'Argumentx' => \&req_Argument,
60 'expand-modules' => \&req_expandmodules,
62 'remove' => \&req_remove,
64 'update' => \&req_update,
69 'tag' => \&req_CATCHALL,
70 'status' => \&req_status,
71 'admin' => \&req_CATCHALL,
72 'history' => \&req_CATCHALL,
73 'watchers' => \&req_CATCHALL,
74 'editors' => \&req_CATCHALL,
75 'annotate' => \&req_annotate,
76 'Global_option' => \&req_Globaloption,
77 #'annotate' => \&req_CATCHALL,
80 ##############################################
83 # $state holds all the bits of information the clients sends us that could
84 # potentially be useful when it comes to actually _doing_ something.
85 my $state = { prependdir => '' };
86 $log->info("--------------- STARTING -----------------");
88 my $TEMP_DIR = tempdir( CLEANUP => 1 );
89 $log->debug("Temporary directory is '$TEMP_DIR'");
91 # if we are called with a pserver argument,
92 # deal with the authentication cat before entering the
94 if (@ARGV && $ARGV[0] eq 'pserver') {
95 my $line = <STDIN>; chomp $line;
96 unless( $line eq 'BEGIN AUTH REQUEST') {
97 die "E Do not understand $line - expecting BEGIN AUTH REQUEST\n";
99 $line = <STDIN>; chomp $line;
100 req_Root('root', $line) # reuse Root
101 or die "E Invalid root $line \n";
102 $line = <STDIN>; chomp $line;
103 unless ($line eq 'anonymous') {
104 print "E Only anonymous user allowed via pserver\n";
105 print "I HATE YOU\n";
107 $line = <STDIN>; chomp $line; # validate the password?
108 $line = <STDIN>; chomp $line;
109 unless ($line eq 'END AUTH REQUEST') {
110 die "E Do not understand $line -- expecting END AUTH REQUEST\n";
112 print "I LOVE YOU\n";
113 # and now back to our regular programme...
116 # Keep going until the client closes the connection
121 # Check to see if we've seen this method, and call appropriate function.
122 if ( /^([\w-]+)(?:\s+(.*))?$/ and defined($methods->{$1}) )
124 # use the $methods hash to call the appropriate sub for this command
125 #$log->info("Method : $1");
126 &{$methods->{$1}}($1,$2);
128 # log fatal because we don't understand this function. If this happens
129 # we're fairly screwed because we don't know if the client is expecting
130 # a response. If it is, the client will hang, we'll hang, and the whole
131 # thing will be custard.
132 $log->fatal("Don't understand command $_\n");
133 die("Unknown command $_");
137 $log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
138 $log->info("--------------- FINISH -----------------");
140 # Magic catchall method.
141 # This is the method that will handle all commands we haven't yet
142 # implemented. It simply sends a warning to the log file indicating a
143 # command that hasn't been implemented has been invoked.
146 my ( $cmd, $data ) = @_;
147 $log->warn("Unhandled command : req_$cmd : $data");
152 # Response expected: no. Tell the server which CVSROOT to use. Note that
153 # pathname is a local directory and not a fully qualified CVSROOT variable.
154 # pathname must already exist; if creating a new root, use the init
155 # request, not Root. pathname does not include the hostname of the server,
156 # how to access the server, etc.; by the time the CVS protocol is in use,
157 # connection, authentication, etc., are already taken care of. The Root
158 # request must be sent only once, and it must be sent before any requests
159 # other than Valid-responses, valid-requests, UseUnchanged, Set or init.
162 my ( $cmd, $data ) = @_;
163 $log->debug("req_Root : $data");
165 $state->{CVSROOT} = $data;
167 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
168 unless (-d $ENV{GIT_DIR} && -e $ENV{GIT_DIR}.'HEAD') {
169 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
171 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
175 my @gitvars = `git-config -l`;
177 print "E problems executing git-config on the server -- this is not a git repository or the PATH is not set correctly.\n";
179 print "error 1 - problem executing git-config\n";
182 foreach my $line ( @gitvars )
184 next unless ( $line =~ /^(.*?)\.(.*?)=(.*)$/ );
188 unless ( defined ( $cfg->{gitcvs}{enabled} ) and $cfg->{gitcvs}{enabled} =~ /^\s*(1|true|yes)\s*$/i )
190 print "E GITCVS emulation needs to be enabled on this repo\n";
191 print "E the repo config file needs a [gitcvs] section added, and the parameter 'enabled' set to 1\n";
193 print "error 1 GITCVS emulation disabled\n";
197 if ( defined ( $cfg->{gitcvs}{logfile} ) )
199 $log->setfile($cfg->{gitcvs}{logfile});
207 # Global_option option \n
208 # Response expected: no. Transmit one of the global options `-q', `-Q',
209 # `-l', `-t', `-r', or `-n'. option must be one of those strings, no
210 # variations (such as combining of options) are allowed. For graceful
211 # handling of valid-requests, it is probably better to make new global
212 # options separate requests, rather than trying to add them to this
216 my ( $cmd, $data ) = @_;
217 $log->debug("req_Globaloption : $data");
218 $state->{globaloptions}{$data} = 1;
221 # Valid-responses request-list \n
222 # Response expected: no. Tell the server what responses the client will
223 # accept. request-list is a space separated list of tokens.
224 sub req_Validresponses
226 my ( $cmd, $data ) = @_;
227 $log->debug("req_Validresponses : $data");
229 # TODO : re-enable this, currently it's not particularly useful
230 #$state->{validresponses} = [ split /\s+/, $data ];
234 # Response expected: yes. Ask the server to send back a Valid-requests
236 sub req_validrequests
238 my ( $cmd, $data ) = @_;
240 $log->debug("req_validrequests");
242 $log->debug("SEND : Valid-requests " . join(" ",keys %$methods));
243 $log->debug("SEND : ok");
245 print "Valid-requests " . join(" ",keys %$methods) . "\n";
249 # Directory local-directory \n
250 # Additional data: repository \n. Response expected: no. Tell the server
251 # what directory to use. The repository should be a directory name from a
252 # previous server response. Note that this both gives a default for Entry
253 # and Modified and also for ci and the other commands; normal usage is to
254 # send Directory for each directory in which there will be an Entry or
255 # Modified, and then a final Directory for the original directory, then the
256 # command. The local-directory is relative to the top level at which the
257 # command is occurring (i.e. the last Directory which is sent before the
258 # command); to indicate that top level, `.' should be sent for
262 my ( $cmd, $data ) = @_;
264 my $repository = <STDIN>;
268 $state->{localdir} = $data;
269 $state->{repository} = $repository;
270 $state->{path} = $repository;
271 $state->{path} =~ s/^$state->{CVSROOT}\///;
272 $state->{module} = $1 if ($state->{path} =~ s/^(.*?)(\/|$)//);
273 $state->{path} .= "/" if ( $state->{path} =~ /\S/ );
275 $state->{directory} = $state->{localdir};
276 $state->{directory} = "" if ( $state->{directory} eq "." );
277 $state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
279 if ( (not defined($state->{prependdir}) or $state->{prependdir} eq '') and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
281 $log->info("Setting prepend to '$state->{path}'");
282 $state->{prependdir} = $state->{path};
283 foreach my $entry ( keys %{$state->{entries}} )
285 $state->{entries}{$state->{prependdir} . $entry} = $state->{entries}{$entry};
286 delete $state->{entries}{$entry};
290 if ( defined ( $state->{prependdir} ) )
292 $log->debug("Prepending '$state->{prependdir}' to state|directory");
293 $state->{directory} = $state->{prependdir} . $state->{directory}
295 $log->debug("req_Directory : localdir=$data repository=$repository path=$state->{path} directory=$state->{directory} module=$state->{module}");
298 # Entry entry-line \n
299 # Response expected: no. Tell the server what version of a file is on the
300 # local machine. The name in entry-line is a name relative to the directory
301 # most recently specified with Directory. If the user is operating on only
302 # some files in a directory, Entry requests for only those files need be
303 # included. If an Entry request is sent without Modified, Is-modified, or
304 # Unchanged, it means the file is lost (does not exist in the working
305 # directory). If both Entry and one of Modified, Is-modified, or Unchanged
306 # are sent for the same file, Entry must be sent first. For a given file,
307 # one can send Modified, Is-modified, or Unchanged, but not more than one
311 my ( $cmd, $data ) = @_;
313 #$log->debug("req_Entry : $data");
315 my @data = split(/\//, $data);
317 $state->{entries}{$state->{directory}.$data[1]} = {
318 revision => $data[2],
319 conflict => $data[3],
321 tag_or_date => $data[5],
324 $log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'");
327 # Questionable filename \n
328 # Response expected: no. Additional data: no. Tell the server to check
329 # whether filename should be ignored, and if not, next time the server
330 # sends responses, send (in a M response) `?' followed by the directory and
331 # filename. filename must not contain `/'; it needs to be a file in the
332 # directory named by the most recent Directory request.
335 my ( $cmd, $data ) = @_;
337 $log->debug("req_Questionable : $data");
338 $state->{entries}{$state->{directory}.$data}{questionable} = 1;
342 # Response expected: yes. Add a file or directory. This uses any previous
343 # Argument, Directory, Entry, or Modified requests, if they have been sent.
344 # The last Directory sent specifies the working directory at the time of
345 # the operation. To add a directory, send the directory to be added using
346 # Directory and Argument requests.
349 my ( $cmd, $data ) = @_;
355 foreach my $filename ( @{$state->{args}} )
357 $filename = filecleanup($filename);
359 unless ( defined ( $state->{entries}{$filename}{modified_filename} ) )
361 print "E cvs add: nothing known about `$filename'\n";
364 # TODO : check we're not squashing an already existing file
365 if ( defined ( $state->{entries}{$filename}{revision} ) )
367 print "E cvs add: `$filename' has already been entered\n";
371 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
373 print "E cvs add: scheduling file `$filename' for addition\n";
375 print "Checked-in $dirpart\n";
377 print "/$filepart/0///\n";
382 if ( $addcount == 1 )
384 print "E cvs add: use `cvs commit' to add this file permanently\n";
386 elsif ( $addcount > 1 )
388 print "E cvs add: use `cvs commit' to add these files permanently\n";
395 # Response expected: yes. Remove a file. This uses any previous Argument,
396 # Directory, Entry, or Modified requests, if they have been sent. The last
397 # Directory sent specifies the working directory at the time of the
398 # operation. Note that this request does not actually do anything to the
399 # repository; the only effect of a successful remove request is to supply
400 # the client with a new entries line containing `-' to indicate a removed
401 # file. In fact, the client probably could perform this operation without
402 # contacting the server, although using remove may cause the server to
403 # perform a few more checks. The client sends a subsequent ci request to
404 # actually record the removal in the repository.
407 my ( $cmd, $data ) = @_;
411 # Grab a handle to the SQLite db and do any necessary updates
412 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
415 #$log->debug("add state : " . Dumper($state));
419 foreach my $filename ( @{$state->{args}} )
421 $filename = filecleanup($filename);
423 if ( defined ( $state->{entries}{$filename}{unchanged} ) or defined ( $state->{entries}{$filename}{modified_filename} ) )
425 print "E cvs remove: file `$filename' still in working directory\n";
429 my $meta = $updater->getmeta($filename);
430 my $wrev = revparse($filename);
432 unless ( defined ( $wrev ) )
434 print "E cvs remove: nothing known about `$filename'\n";
438 if ( defined($wrev) and $wrev < 0 )
440 print "E cvs remove: file `$filename' already scheduled for removal\n";
444 unless ( $wrev == $meta->{revision} )
446 # TODO : not sure if the format of this message is quite correct.
447 print "E cvs remove: Up to date check failed for `$filename'\n";
452 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
454 print "E cvs remove: scheduling `$filename' for removal\n";
456 print "Checked-in $dirpart\n";
458 print "/$filepart/-1.$wrev///\n";
465 print "E cvs remove: use `cvs commit' to remove this file permanently\n";
467 elsif ( $rmcount > 1 )
469 print "E cvs remove: use `cvs commit' to remove these files permanently\n";
475 # Modified filename \n
476 # Response expected: no. Additional data: mode, \n, file transmission. Send
477 # the server a copy of one locally modified file. filename is a file within
478 # the most recent directory sent with Directory; it must not contain `/'.
479 # If the user is operating on only some files in a directory, only those
480 # files need to be included. This can also be sent without Entry, if there
481 # is no entry for the file.
484 my ( $cmd, $data ) = @_;
491 # Grab config information
492 my $blocksize = 8192;
493 my $bytesleft = $size;
496 # Get a filehandle/name to write it to
497 my ( $fh, $filename ) = tempfile( DIR => $TEMP_DIR );
499 # Loop over file data writing out to temporary file.
502 $blocksize = $bytesleft if ( $bytesleft < $blocksize );
503 read STDIN, $tmp, $blocksize;
505 $bytesleft -= $blocksize;
510 # Ensure we have something sensible for the file mode
511 if ( $mode =~ /u=(\w+)/ )
518 # Save the file data in $state
519 $state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
520 $state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
521 $state->{entries}{$state->{directory}.$data}{modified_hash} = `git-hash-object $filename`;
522 $state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
524 #$log->debug("req_Modified : file=$data mode=$mode size=$size");
527 # Unchanged filename \n
528 # Response expected: no. Tell the server that filename has not been
529 # modified in the checked out directory. The filename is a file within the
530 # most recent directory sent with Directory; it must not contain `/'.
533 my ( $cmd, $data ) = @_;
535 $state->{entries}{$state->{directory}.$data}{unchanged} = 1;
537 #$log->debug("req_Unchanged : $data");
541 # Response expected: no. Save argument for use in a subsequent command.
542 # Arguments accumulate until an argument-using command is given, at which
543 # point they are forgotten.
545 # Response expected: no. Append \n followed by text to the current argument
549 my ( $cmd, $data ) = @_;
551 # Argumentx means: append to last Argument (with a newline in front)
553 $log->debug("$cmd : $data");
555 if ( $cmd eq 'Argumentx') {
556 ${$state->{arguments}}[$#{$state->{arguments}}] .= "\n" . $data;
558 push @{$state->{arguments}}, $data;
563 # Response expected: yes. Expand the modules which are specified in the
564 # arguments. Returns the data in Module-expansion responses. Note that the
565 # server can assume that this is checkout or export, not rtag or rdiff; the
566 # latter do not access the working directory and thus have no need to
567 # expand modules on the client side. Expand may not be the best word for
568 # what this request does. It does not necessarily tell you all the files
569 # contained in a module, for example. Basically it is a way of telling you
570 # which working directories the server needs to know about in order to
571 # handle a checkout of the specified modules. For example, suppose that the
572 # server has a module defined by
573 # aliasmodule -a 1dir
574 # That is, one can check out aliasmodule and it will take 1dir in the
575 # repository and check it out to 1dir in the working directory. Now suppose
576 # the client already has this module checked out and is planning on using
577 # the co request to update it. Without using expand-modules, the client
578 # would have two bad choices: it could either send information about all
579 # working directories under the current directory, which could be
580 # unnecessarily slow, or it could be ignorant of the fact that aliasmodule
581 # stands for 1dir, and neglect to send information for 1dir, which would
582 # lead to incorrect operation. With expand-modules, the client would first
583 # ask for the module to be expanded:
584 sub req_expandmodules
586 my ( $cmd, $data ) = @_;
590 $log->debug("req_expandmodules : " . ( defined($data) ? $data : "[NULL]" ) );
592 unless ( ref $state->{arguments} eq "ARRAY" )
598 foreach my $module ( @{$state->{arguments}} )
600 $log->debug("SEND : Module-expansion $module");
601 print "Module-expansion $module\n";
609 # Response expected: yes. Get files from the repository. This uses any
610 # previous Argument, Directory, Entry, or Modified requests, if they have
611 # been sent. Arguments to this command are module names; the client cannot
612 # know what directories they correspond to except by (1) just sending the
613 # co request, and then seeing what directory names the server sends back in
614 # its responses, and (2) the expand-modules request.
617 my ( $cmd, $data ) = @_;
621 my $module = $state->{args}[0];
622 my $checkout_path = $module;
624 # use the user specified directory if we're given it
625 $checkout_path = $state->{opt}{d} if ( exists ( $state->{opt}{d} ) );
627 $log->debug("req_co : " . ( defined($data) ? $data : "[NULL]" ) );
629 $log->info("Checking out module '$module' ($state->{CVSROOT}) to '$checkout_path'");
631 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
633 # Grab a handle to the SQLite db and do any necessary updates
634 my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
637 $checkout_path =~ s|/$||; # get rid of trailing slashes
639 # Eclipse seems to need the Clear-sticky command
640 # to prepare the 'Entries' file for the new directory.
641 print "Clear-sticky $checkout_path/\n";
642 print $state->{CVSROOT} . "/$module/\n";
643 print "Clear-static-directory $checkout_path/\n";
644 print $state->{CVSROOT} . "/$module/\n";
645 print "Clear-sticky $checkout_path/\n"; # yes, twice
646 print $state->{CVSROOT} . "/$module/\n";
647 print "Template $checkout_path/\n";
648 print $state->{CVSROOT} . "/$module/\n";
651 # instruct the client that we're checking out to $checkout_path
652 print "E cvs checkout: Updating $checkout_path\n";
659 my ($dir, $repodir, $remotedir, $seendirs) = @_;
660 my $parent = dirname($dir);
663 $remotedir =~ s|/+$||;
665 $log->debug("announcedir $dir, $repodir, $remotedir" );
667 if ($parent eq '.' || $parent eq './') {
670 # recurse to announce unseen parents first
671 if (length($parent) && !exists($seendirs->{$parent})) {
672 prepdir($parent, $repodir, $remotedir, $seendirs);
674 # Announce that we are going to modify at the parent level
676 print "E cvs checkout: Updating $remotedir/$parent\n";
678 print "E cvs checkout: Updating $remotedir\n";
680 print "Clear-sticky $remotedir/$parent/\n";
681 print "$repodir/$parent/\n";
683 print "Clear-static-directory $remotedir/$dir/\n";
684 print "$repodir/$dir/\n";
685 print "Clear-sticky $remotedir/$parent/\n"; # yes, twice
686 print "$repodir/$parent/\n";
687 print "Template $remotedir/$dir/\n";
688 print "$repodir/$dir/\n";
691 $seendirs->{$dir} = 1;
694 foreach my $git ( @{$updater->gethead} )
696 # Don't want to check out deleted files
697 next if ( $git->{filehash} eq "deleted" );
699 ( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
701 if (length($git->{dir}) && $git->{dir} ne './'
702 && $git->{dir} ne $lastdir ) {
703 unless (exists($seendirs{$git->{dir}})) {
704 prepdir($git->{dir}, $state->{CVSROOT} . "/$module/",
705 $checkout_path, \%seendirs);
706 $lastdir = $git->{dir};
707 $seendirs{$git->{dir}} = 1;
709 print "E cvs checkout: Updating /$checkout_path/$git->{dir}\n";
712 # modification time of this file
713 print "Mod-time $git->{modified}\n";
715 # print some information to the client
716 if ( defined ( $git->{dir} ) and $git->{dir} ne "./" )
718 print "M U $checkout_path/$git->{dir}$git->{name}\n";
720 print "M U $checkout_path/$git->{name}\n";
723 # instruct client we're sending a file to put in this path
724 print "Created $checkout_path/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "\n";
726 print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
728 # this is an "entries" line
729 print "/$git->{name}/1.$git->{revision}///\n";
731 print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
734 transmitfile($git->{filehash});
743 # Response expected: yes. Actually do a cvs update command. This uses any
744 # previous Argument, Directory, Entry, or Modified requests, if they have
745 # been sent. The last Directory sent specifies the working directory at the
746 # time of the operation. The -I option is not used--files which the client
747 # can decide whether to ignore are not mentioned and the client sends the
748 # Questionable request for others.
751 my ( $cmd, $data ) = @_;
753 $log->debug("req_update : " . ( defined($data) ? $data : "[NULL]" ));
758 # It may just be a client exploring the available heads/modules
759 # in that case, list them as top level directories and leave it
760 # at that. Eclipse uses this technique to offer you a list of
761 # projects (heads in this case) to checkout.
763 if ($state->{module} eq '') {
764 print "E cvs update: Updating .\n";
765 opendir HEADS, $state->{CVSROOT} . '/refs/heads';
766 while (my $head = readdir(HEADS)) {
767 if (-f $state->{CVSROOT} . '/refs/heads/' . $head) {
768 print "E cvs update: New directory `$head'\n";
777 # Grab a handle to the SQLite db and do any necessary updates
778 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
782 argsfromdir($updater);
784 #$log->debug("update state : " . Dumper($state));
786 # foreach file specified on the command line ...
787 foreach my $filename ( @{$state->{args}} )
789 $filename = filecleanup($filename);
791 $log->debug("Processing file $filename");
793 # if we have a -C we should pretend we never saw modified stuff
794 if ( exists ( $state->{opt}{C} ) )
796 delete $state->{entries}{$filename}{modified_hash};
797 delete $state->{entries}{$filename}{modified_filename};
798 $state->{entries}{$filename}{unchanged} = 1;
802 if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
804 $meta = $updater->getmeta($filename, $1);
806 $meta = $updater->getmeta($filename);
809 if ( ! defined $meta )
820 my $wrev = revparse($filename);
822 # If the working copy is an old revision, lets get that version too for comparison.
823 if ( defined($wrev) and $wrev != $meta->{revision} )
825 $oldmeta = $updater->getmeta($filename, $wrev);
828 #$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
830 # Files are up to date if the working copy and repo copy have the same revision,
831 # and the working copy is unmodified _and_ the user hasn't specified -C
832 next if ( defined ( $wrev )
833 and defined($meta->{revision})
834 and $wrev == $meta->{revision}
835 and $state->{entries}{$filename}{unchanged}
836 and not exists ( $state->{opt}{C} ) );
838 # If the working copy and repo copy have the same revision,
839 # but the working copy is modified, tell the client it's modified
840 if ( defined ( $wrev )
841 and defined($meta->{revision})
842 and $wrev == $meta->{revision}
843 and not exists ( $state->{opt}{C} ) )
845 $log->info("Tell the client the file is modified");
846 print "MT text M \n";
847 print "MT fname $filename\n";
848 print "MT newline\n";
852 if ( $meta->{filehash} eq "deleted" )
854 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
856 $log->info("Removing '$filename' from working copy (no longer in the repo)");
858 print "E cvs update: `$filename' is no longer in the repository\n";
859 # Don't want to actually _DO_ the update if -n specified
860 unless ( $state->{globaloptions}{-n} ) {
861 print "Removed $dirpart\n";
865 elsif ( not defined ( $state->{entries}{$filename}{modified_hash} )
866 or $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash}
867 or $meta->{filehash} eq 'added' )
869 # normal update, just send the new revision (either U=Update,
870 # or A=Add, or R=Remove)
871 if ( defined($wrev) && $wrev < 0 )
873 $log->info("Tell the client the file is scheduled for removal");
874 print "MT text R \n";
875 print "MT fname $filename\n";
876 print "MT newline\n";
879 elsif ( (!defined($wrev) || $wrev == 0) && (!defined($meta->{revision}) || $meta->{revision} == 0) )
881 $log->info("Tell the client the file is scheduled for addition");
882 print "MT text A \n";
883 print "MT fname $filename\n";
884 print "MT newline\n";
889 $log->info("Updating '$filename' to ".$meta->{revision});
890 print "MT +updated\n";
891 print "MT text U \n";
892 print "MT fname $filename\n";
893 print "MT newline\n";
894 print "MT -updated\n";
897 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
899 # Don't want to actually _DO_ the update if -n specified
900 unless ( $state->{globaloptions}{-n} )
902 if ( defined ( $wrev ) )
904 # instruct client we're sending a file to put in this path as a replacement
905 print "Update-existing $dirpart\n";
906 $log->debug("Updating existing file 'Update-existing $dirpart'");
908 # instruct client we're sending a file to put in this path as a new file
909 print "Clear-static-directory $dirpart\n";
910 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
911 print "Clear-sticky $dirpart\n";
912 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
914 $log->debug("Creating new file 'Created $dirpart'");
915 print "Created $dirpart\n";
917 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
919 # this is an "entries" line
920 $log->debug("/$filepart/1.$meta->{revision}///");
921 print "/$filepart/1.$meta->{revision}///\n";
924 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
925 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
928 transmitfile($meta->{filehash});
931 $log->info("Updating '$filename'");
932 my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
934 my $dir = tempdir( DIR => $TEMP_DIR, CLEANUP => 1 ) . "/";
937 my $file_local = $filepart . ".mine";
938 system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
939 my $file_old = $filepart . "." . $oldmeta->{revision};
940 transmitfile($oldmeta->{filehash}, $file_old);
941 my $file_new = $filepart . "." . $meta->{revision};
942 transmitfile($meta->{filehash}, $file_new);
944 # we need to merge with the local changes ( M=successful merge, C=conflict merge )
945 $log->info("Merging $file_local, $file_old, $file_new");
947 $log->debug("Temporary directory for merge is $dir");
949 my $return = system("git", "merge-file", $file_local, $file_old, $file_new);
954 $log->info("Merged successfully");
955 print "M M $filename\n";
956 $log->debug("Update-existing $dirpart");
958 # Don't want to actually _DO_ the update if -n specified
959 unless ( $state->{globaloptions}{-n} )
961 print "Update-existing $dirpart\n";
962 $log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
963 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
964 $log->debug("/$filepart/1.$meta->{revision}///");
965 print "/$filepart/1.$meta->{revision}///\n";
968 elsif ( $return == 1 )
970 $log->info("Merged with conflicts");
971 print "M C $filename\n";
973 # Don't want to actually _DO_ the update if -n specified
974 unless ( $state->{globaloptions}{-n} )
976 print "Update-existing $dirpart\n";
977 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
978 print "/$filepart/1.$meta->{revision}/+//\n";
983 $log->warn("Merge failed");
987 # Don't want to actually _DO_ the update if -n specified
988 unless ( $state->{globaloptions}{-n} )
991 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
992 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
994 # transmit file, format is single integer on a line by itself (file
995 # size) followed by the file contents
996 # TODO : we should copy files in blocks
997 my $data = `cat $file_local`;
998 $log->debug("File size : " . length($data));
999 print length($data) . "\n";
1013 my ( $cmd, $data ) = @_;
1017 #$log->debug("State : " . Dumper($state));
1019 $log->info("req_ci : " . ( defined($data) ? $data : "[NULL]" ));
1021 if ( @ARGV && $ARGV[0] eq 'pserver')
1023 print "error 1 pserver access cannot commit\n";
1027 if ( -e $state->{CVSROOT} . "/index" )
1029 $log->warn("file 'index' already exists in the git repository");
1030 print "error 1 Index already exists in git repo\n";
1034 # Grab a handle to the SQLite db and do any necessary updates
1035 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1038 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1039 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1040 $log->info("Lockless commit start, basing commit on '$tmpdir', index file is '$file_index'");
1042 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1043 $ENV{GIT_INDEX_FILE} = $file_index;
1045 # Remember where the head was at the beginning.
1046 my $parenthash = `git show-ref -s refs/heads/$state->{module}`;
1048 if ($parenthash !~ /^[0-9a-f]{40}$/) {
1049 print "error 1 pserver cannot find the current HEAD of module";
1055 # populate the temporary index based
1056 system("git-read-tree", $parenthash);
1059 die "Error running git-read-tree $state->{module} $file_index $!";
1061 $log->info("Created index '$file_index' with for head $state->{module} - exit status $?");
1063 my @committedfiles = ();
1065 # foreach file specified on the command line ...
1066 foreach my $filename ( @{$state->{args}} )
1068 my $committedfile = $filename;
1069 $filename = filecleanup($filename);
1071 next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
1073 my $meta = $updater->getmeta($filename);
1075 my $wrev = revparse($filename);
1077 my ( $filepart, $dirpart ) = filenamesplit($filename);
1079 # do a checkout of the file if it part of this tree
1081 system('git-checkout-index', '-f', '-u', $filename);
1083 die "Error running git-checkout-index -f -u $filename : $!";
1089 $rmflag = 1 if ( defined($wrev) and $wrev < 0 );
1090 $addflag = 1 unless ( -e $filename );
1092 # Do up to date checking
1093 unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
1095 # fail everything if an up to date check fails
1096 print "error 1 Up to date check failed for $filename\n";
1101 push @committedfiles, $committedfile;
1102 $log->info("Committing $filename");
1104 system("mkdir","-p",$dirpart) unless ( -d $dirpart );
1108 $log->debug("rename $state->{entries}{$filename}{modified_filename} $filename");
1109 rename $state->{entries}{$filename}{modified_filename},$filename;
1111 # Calculate modes to remove
1113 foreach ( qw (r w x) ) { $invmode .= $_ unless ( $state->{entries}{$filename}{modified_mode} =~ /$_/ ); }
1115 $log->debug("chmod u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode . " $filename");
1116 system("chmod","u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode, $filename);
1121 $log->info("Removing file '$filename'");
1123 system("git-update-index", "--remove", $filename);
1127 $log->info("Adding file '$filename'");
1128 system("git-update-index", "--add", $filename);
1130 $log->info("Updating file '$filename'");
1131 system("git-update-index", $filename);
1135 unless ( scalar(@committedfiles) > 0 )
1137 print "E No files to commit\n";
1143 my $treehash = `git-write-tree`;
1146 $log->debug("Treehash : $treehash, Parenthash : $parenthash");
1148 # write our commit message out if we have one ...
1149 my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
1150 print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
1151 print $msg_fh "\n\nvia git-CVS emulator\n";
1154 my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`;
1156 $log->info("Commit hash : $commithash");
1158 unless ( $commithash =~ /[a-zA-Z0-9]{40}/ )
1160 $log->warn("Commit failed (Invalid commit hash)");
1161 print "error 1 Commit failed (unknown reason)\n";
1166 # Check that this is allowed, just as we would with a receive-pack
1167 my @cmd = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
1168 $parenthash, $commithash );
1170 unless( system( @cmd ) == 0 )
1172 $log->warn("Commit failed (update hook declined to update ref)");
1173 print "error 1 Commit failed (update hook declined)\n";
1179 if (system(qw(git update-ref -m), "cvsserver ci",
1180 "refs/heads/$state->{module}", $commithash, $parenthash)) {
1181 $log->warn("update-ref for $state->{module} failed.");
1182 print "error 1 Cannot commit -- update first\n";
1188 # foreach file specified on the command line ...
1189 foreach my $filename ( @committedfiles )
1191 $filename = filecleanup($filename);
1193 my $meta = $updater->getmeta($filename);
1194 unless (defined $meta->{revision}) {
1195 $meta->{revision} = 1;
1198 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
1200 $log->debug("Checked-in $dirpart : $filename");
1202 if ( defined $meta->{filehash} && $meta->{filehash} eq "deleted" )
1204 print "Remove-entry $dirpart\n";
1205 print "$filename\n";
1207 print "Checked-in $dirpart\n";
1208 print "$filename\n";
1209 print "/$filepart/1.$meta->{revision}///\n";
1219 my ( $cmd, $data ) = @_;
1223 $log->info("req_status : " . ( defined($data) ? $data : "[NULL]" ));
1224 #$log->debug("status state : " . Dumper($state));
1226 # Grab a handle to the SQLite db and do any necessary updates
1227 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1230 # if no files were specified, we need to work out what files we should be providing status on ...
1231 argsfromdir($updater);
1233 # foreach file specified on the command line ...
1234 foreach my $filename ( @{$state->{args}} )
1236 $filename = filecleanup($filename);
1238 my $meta = $updater->getmeta($filename);
1239 my $oldmeta = $meta;
1241 my $wrev = revparse($filename);
1243 # If the working copy is an old revision, lets get that version too for comparison.
1244 if ( defined($wrev) and $wrev != $meta->{revision} )
1246 $oldmeta = $updater->getmeta($filename, $wrev);
1249 # TODO : All possible statuses aren't yet implemented
1251 # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1252 $status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
1254 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1255 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
1258 # Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
1259 $status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
1261 ( $state->{entries}{$filename}{unchanged}
1262 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
1265 # Need checkout if it exists in the repo but doesn't have a working copy
1266 $status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
1268 # Locally modified if working copy and repo copy have the same revision but there are local changes
1269 $status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
1271 # Needs Merge if working copy revision is less than repo copy and there are local changes
1272 $status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
1274 $status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
1275 $status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
1276 $status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
1277 $status ||= "File had conflicts on merge" if ( 0 );
1279 $status ||= "Unknown";
1281 print "M ===================================================================\n";
1282 print "M File: $filename\tStatus: $status\n";
1283 if ( defined($state->{entries}{$filename}{revision}) )
1285 print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
1287 print "M Working revision:\tNo entry for $filename\n";
1289 if ( defined($meta->{revision}) )
1291 print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{repository}/$filename,v\n";
1292 print "M Sticky Tag:\t\t(none)\n";
1293 print "M Sticky Date:\t\t(none)\n";
1294 print "M Sticky Options:\t\t(none)\n";
1296 print "M Repository revision:\tNo revision control file\n";
1306 my ( $cmd, $data ) = @_;
1310 $log->debug("req_diff : " . ( defined($data) ? $data : "[NULL]" ));
1311 #$log->debug("status state : " . Dumper($state));
1313 my ($revision1, $revision2);
1314 if ( defined ( $state->{opt}{r} ) and ref $state->{opt}{r} eq "ARRAY" )
1316 $revision1 = $state->{opt}{r}[0];
1317 $revision2 = $state->{opt}{r}[1];
1319 $revision1 = $state->{opt}{r};
1322 $revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
1323 $revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
1325 $log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
1327 # Grab a handle to the SQLite db and do any necessary updates
1328 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1331 # if no files were specified, we need to work out what files we should be providing status on ...
1332 argsfromdir($updater);
1334 # foreach file specified on the command line ...
1335 foreach my $filename ( @{$state->{args}} )
1337 $filename = filecleanup($filename);
1339 my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
1341 my $wrev = revparse($filename);
1343 # We need _something_ to diff against
1344 next unless ( defined ( $wrev ) );
1346 # if we have a -r switch, use it
1347 if ( defined ( $revision1 ) )
1349 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1350 $meta1 = $updater->getmeta($filename, $revision1);
1351 unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
1353 print "E File $filename at revision 1.$revision1 doesn't exist\n";
1356 transmitfile($meta1->{filehash}, $file1);
1358 # otherwise we just use the working copy revision
1361 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1362 $meta1 = $updater->getmeta($filename, $wrev);
1363 transmitfile($meta1->{filehash}, $file1);
1366 # if we have a second -r switch, use it too
1367 if ( defined ( $revision2 ) )
1369 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1370 $meta2 = $updater->getmeta($filename, $revision2);
1372 unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
1374 print "E File $filename at revision 1.$revision2 doesn't exist\n";
1378 transmitfile($meta2->{filehash}, $file2);
1380 # otherwise we just use the working copy
1383 $file2 = $state->{entries}{$filename}{modified_filename};
1386 # if we have been given -r, and we don't have a $file2 yet, lets get one
1387 if ( defined ( $revision1 ) and not defined ( $file2 ) )
1389 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1390 $meta2 = $updater->getmeta($filename, $wrev);
1391 transmitfile($meta2->{filehash}, $file2);
1394 # We need to have retrieved something useful
1395 next unless ( defined ( $meta1 ) );
1397 # Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1398 next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
1400 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1401 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
1404 # Apparently we only show diffs for locally modified files
1405 next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
1407 print "M Index: $filename\n";
1408 print "M ===================================================================\n";
1409 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1410 print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
1411 print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
1413 foreach my $opt ( keys %{$state->{opt}} )
1415 if ( ref $state->{opt}{$opt} eq "ARRAY" )
1417 foreach my $value ( @{$state->{opt}{$opt}} )
1419 print "-$opt $value ";
1423 print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
1426 print "$filename\n";
1428 $log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
1430 ( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
1432 if ( exists $state->{opt}{u} )
1434 system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
1436 system("diff $file1 $file2 > $filediff");
1451 my ( $cmd, $data ) = @_;
1455 $log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
1456 #$log->debug("log state : " . Dumper($state));
1458 my ( $minrev, $maxrev );
1459 if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
1464 $minrev =~ s/^1\.// if ( defined ( $minrev ) );
1465 $maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
1466 $minrev++ if ( defined($minrev) and $control eq "::" );
1469 # Grab a handle to the SQLite db and do any necessary updates
1470 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1473 # if no files were specified, we need to work out what files we should be providing status on ...
1474 argsfromdir($updater);
1476 # foreach file specified on the command line ...
1477 foreach my $filename ( @{$state->{args}} )
1479 $filename = filecleanup($filename);
1481 my $headmeta = $updater->getmeta($filename);
1483 my $revisions = $updater->getlog($filename);
1484 my $totalrevisions = scalar(@$revisions);
1486 if ( defined ( $minrev ) )
1488 $log->debug("Removing revisions less than $minrev");
1489 while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
1494 if ( defined ( $maxrev ) )
1496 $log->debug("Removing revisions greater than $maxrev");
1497 while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
1503 next unless ( scalar(@$revisions) );
1506 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1507 print "M Working file: $filename\n";
1508 print "M head: 1.$headmeta->{revision}\n";
1509 print "M branch:\n";
1510 print "M locks: strict\n";
1511 print "M access list:\n";
1512 print "M symbolic names:\n";
1513 print "M keyword substitution: kv\n";
1514 print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
1515 print "M description:\n";
1517 foreach my $revision ( @$revisions )
1519 print "M ----------------------------\n";
1520 print "M revision 1.$revision->{revision}\n";
1521 # reformat the date for log output
1522 $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}) );
1523 $revision->{author} =~ s/\s+.*//;
1524 $revision->{author} =~ s/^(.{8}).*/$1/;
1525 print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
1526 my $commitmessage = $updater->commitmessage($revision->{commithash});
1527 $commitmessage =~ s/^/M /mg;
1528 print $commitmessage . "\n";
1530 print "M =============================================================================\n";
1538 my ( $cmd, $data ) = @_;
1540 argsplit("annotate");
1542 $log->info("req_annotate : " . ( defined($data) ? $data : "[NULL]" ));
1543 #$log->debug("status state : " . Dumper($state));
1545 # Grab a handle to the SQLite db and do any necessary updates
1546 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1549 # if no files were specified, we need to work out what files we should be providing annotate on ...
1550 argsfromdir($updater);
1552 # we'll need a temporary checkout dir
1553 my $tmpdir = tempdir ( DIR => $TEMP_DIR );
1554 my ( undef, $file_index ) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
1555 $log->info("Temp checkoutdir creation successful, basing annotate session work on '$tmpdir', index file is '$file_index'");
1557 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
1558 $ENV{GIT_INDEX_FILE} = $file_index;
1562 # foreach file specified on the command line ...
1563 foreach my $filename ( @{$state->{args}} )
1565 $filename = filecleanup($filename);
1567 my $meta = $updater->getmeta($filename);
1569 next unless ( $meta->{revision} );
1571 # get all the commits that this file was in
1572 # in dense format -- aka skip dead revisions
1573 my $revisions = $updater->gethistorydense($filename);
1574 my $lastseenin = $revisions->[0][2];
1576 # populate the temporary index based on the latest commit were we saw
1577 # the file -- but do it cheaply without checking out any files
1578 # TODO: if we got a revision from the client, use that instead
1579 # to look up the commithash in sqlite (still good to default to
1580 # the current head as we do now)
1581 system("git-read-tree", $lastseenin);
1584 die "Error running git-read-tree $lastseenin $file_index $!";
1586 $log->info("Created index '$file_index' with commit $lastseenin - exit status $?");
1588 # do a checkout of the file
1589 system('git-checkout-index', '-f', '-u', $filename);
1591 die "Error running git-checkout-index -f -u $filename : $!";
1594 $log->info("Annotate $filename");
1596 # Prepare a file with the commits from the linearized
1597 # history that annotate should know about. This prevents
1598 # git-jsannotate telling us about commits we are hiding
1601 open(ANNOTATEHINTS, ">$tmpdir/.annotate_hints") or die "Error opening > $tmpdir/.annotate_hints $!";
1602 for (my $i=0; $i < @$revisions; $i++)
1604 print ANNOTATEHINTS $revisions->[$i][2];
1605 if ($i+1 < @$revisions) { # have we got a parent?
1606 print ANNOTATEHINTS ' ' . $revisions->[$i+1][2];
1608 print ANNOTATEHINTS "\n";
1611 print ANNOTATEHINTS "\n";
1612 close ANNOTATEHINTS;
1614 my $annotatecmd = 'git-annotate';
1615 open(ANNOTATE, "-|", $annotatecmd, '-l', '-S', "$tmpdir/.annotate_hints", $filename)
1616 or die "Error invoking $annotatecmd -l -S $tmpdir/.annotate_hints $filename : $!";
1618 print "E Annotations for $filename\n";
1619 print "E ***************\n";
1620 while ( <ANNOTATE> )
1622 if (m/^([a-zA-Z0-9]{40})\t\([^\)]*\)(.*)$/i)
1624 my $commithash = $1;
1626 unless ( defined ( $metadata->{$commithash} ) )
1628 $metadata->{$commithash} = $updater->getmeta($filename, $commithash);
1629 $metadata->{$commithash}{author} =~ s/\s+.*//;
1630 $metadata->{$commithash}{author} =~ s/^(.{8}).*/$1/;
1631 $metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
1633 printf("M 1.%-5d (%-8s %10s): %s\n",
1634 $metadata->{$commithash}{revision},
1635 $metadata->{$commithash}{author},
1636 $metadata->{$commithash}{modified},
1640 $log->warn("Error in annotate output! LINE: $_");
1641 print "E Annotate error \n";
1648 # done; get out of the tempdir
1655 # This method takes the state->{arguments} array and produces two new arrays.
1656 # The first is $state->{args} which is everything before the '--' argument, and
1657 # the second is $state->{files} which is everything after it.
1660 return unless( defined($state->{arguments}) and ref $state->{arguments} eq "ARRAY" );
1664 $state->{args} = [];
1665 $state->{files} = [];
1668 if ( defined($type) )
1671 $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" );
1672 $opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
1673 $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" );
1674 $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
1675 $opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
1676 $opt = { k => 1, m => 1 } if ( $type eq "add" );
1677 $opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
1678 $opt = { l => 0, b => 0, h => 0, R => 0, t => 0, N => 0, S => 0, r => 1, d => 1, s => 1, w => 1 } if ( $type eq "log" );
1681 while ( scalar ( @{$state->{arguments}} ) > 0 )
1683 my $arg = shift @{$state->{arguments}};
1685 next if ( $arg eq "--" );
1686 next unless ( $arg =~ /\S/ );
1688 # if the argument looks like a switch
1689 if ( $arg =~ /^-(\w)(.*)/ )
1691 # if it's a switch that takes an argument
1694 # If this switch has already been provided
1695 if ( $opt->{$1} > 1 and exists ( $state->{opt}{$1} ) )
1697 $state->{opt}{$1} = [ $state->{opt}{$1} ];
1698 if ( length($2) > 0 )
1700 push @{$state->{opt}{$1}},$2;
1702 push @{$state->{opt}{$1}}, shift @{$state->{arguments}};
1705 # if there's extra data in the arg, use that as the argument for the switch
1706 if ( length($2) > 0 )
1708 $state->{opt}{$1} = $2;
1710 $state->{opt}{$1} = shift @{$state->{arguments}};
1714 $state->{opt}{$1} = undef;
1719 push @{$state->{args}}, $arg;
1727 foreach my $value ( @{$state->{arguments}} )
1729 if ( $value eq "--" )
1734 push @{$state->{args}}, $value if ( $mode == 0 );
1735 push @{$state->{files}}, $value if ( $mode == 1 );
1740 # This method uses $state->{directory} to populate $state->{args} with a list of filenames
1743 my $updater = shift;
1745 $state->{args} = [] if ( scalar(@{$state->{args}}) == 1 and $state->{args}[0] eq "." );
1747 return if ( scalar ( @{$state->{args}} ) > 1 );
1749 my @gethead = @{$updater->gethead};
1752 foreach my $file (keys %{$state->{entries}}) {
1753 if ( exists $state->{entries}{$file}{revision} &&
1754 $state->{entries}{$file}{revision} == 0 )
1756 push @gethead, { name => $file, filehash => 'added' };
1760 if ( scalar(@{$state->{args}}) == 1 )
1762 my $arg = $state->{args}[0];
1763 $arg .= $state->{prependdir} if ( defined ( $state->{prependdir} ) );
1765 $log->info("Only one arg specified, checking for directory expansion on '$arg'");
1767 foreach my $file ( @gethead )
1769 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
1770 next unless ( $file->{name} =~ /^$arg\// or $file->{name} eq $arg );
1771 push @{$state->{args}}, $file->{name};
1774 shift @{$state->{args}} if ( scalar(@{$state->{args}}) > 1 );
1776 $log->info("Only one arg specified, populating file list automatically");
1778 $state->{args} = [];
1780 foreach my $file ( @gethead )
1782 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
1783 next unless ( $file->{name} =~ s/^$state->{prependdir}// );
1784 push @{$state->{args}}, $file->{name};
1789 # This method cleans up the $state variable after a command that uses arguments has run
1792 $state->{files} = [];
1793 $state->{args} = [];
1794 $state->{arguments} = [];
1795 $state->{entries} = {};
1800 my $filename = shift;
1802 return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
1804 return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
1805 return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
1810 # This method takes a file hash and does a CVS "file transfer" which transmits the
1811 # size of the file, and then the file contents.
1812 # If a second argument $targetfile is given, the file is instead written out to
1813 # a file by the name of $targetfile
1816 my $filehash = shift;
1817 my $targetfile = shift;
1819 if ( defined ( $filehash ) and $filehash eq "deleted" )
1821 $log->warn("filehash is 'deleted'");
1825 die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
1827 my $type = `git-cat-file -t $filehash`;
1830 die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
1832 my $size = `git-cat-file -s $filehash`;
1835 $log->debug("transmitfile($filehash) size=$size, type=$type");
1837 if ( open my $fh, '-|', "git-cat-file", "blob", $filehash )
1839 if ( defined ( $targetfile ) )
1841 open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
1842 print NEWFILE $_ while ( <$fh> );
1846 print while ( <$fh> );
1848 close $fh or die ("Couldn't close filehandle for transmitfile()");
1850 die("Couldn't execute git-cat-file");
1854 # This method takes a file name, and returns ( $dirpart, $filepart ) which
1855 # refers to the directory portion and the file portion of the filename
1859 my $filename = shift;
1860 my $fixforlocaldir = shift;
1862 my ( $filepart, $dirpart ) = ( $filename, "." );
1863 ( $filepart, $dirpart ) = ( $2, $1 ) if ( $filename =~ /(.*)\/(.*)/ );
1866 if ( $fixforlocaldir )
1868 $dirpart =~ s/^$state->{prependdir}//;
1871 return ( $filepart, $dirpart );
1876 my $filename = shift;
1878 return undef unless(defined($filename));
1879 if ( $filename =~ /^\// )
1881 print "E absolute filenames '$filename' not supported by server\n";
1885 $filename =~ s/^\.\///g;
1886 $filename = $state->{prependdir} . $filename;
1890 package GITCVS::log;
1893 #### Copyright The Open University UK - 2006.
1895 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
1896 #### Martin Langhoff <martin@catalyst.net.nz>
1909 This module provides very crude logging with a similar interface to
1918 Creates a new log object, optionally you can specify a filename here to
1919 indicate the file to log to. If no log file is specified, you can specify one
1920 later with method setfile, or indicate you no longer want logging with method
1923 Until one of these methods is called, all log calls will buffer messages ready
1930 my $filename = shift;
1934 bless $self, $class;
1936 if ( defined ( $filename ) )
1938 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
1946 This methods takes a filename, and attempts to open that file as the log file.
1947 If successful, all buffered data is written out to the file, and any further
1948 logging is written directly to the file.
1954 my $filename = shift;
1956 if ( defined ( $filename ) )
1958 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
1961 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
1963 while ( my $line = shift @{$self->{buffer}} )
1965 print {$self->{fh}} $line;
1971 This method indicates no logging is going to be used. It flushes any entries in
1972 the internal buffer, and sets a flag to ensure no further data is put there.
1981 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
1983 $self->{buffer} = [];
1988 Internal method. Returns true if the log file is open, false otherwise.
1995 return 1 if ( defined ( $self->{fh} ) and ref $self->{fh} eq "GLOB" );
1999 =head2 debug info warn fatal
2001 These four methods are wrappers to _log. They provide the actual interface for
2005 sub debug { my $self = shift; $self->_log("debug", @_); }
2006 sub info { my $self = shift; $self->_log("info" , @_); }
2007 sub warn { my $self = shift; $self->_log("warn" , @_); }
2008 sub fatal { my $self = shift; $self->_log("fatal", @_); }
2012 This is an internal method called by the logging functions. It generates a
2013 timestamp and pushes the logged line either to file, or internal buffer.
2021 return if ( $self->{nolog} );
2023 my @time = localtime;
2024 my $timestring = sprintf("%4d-%02d-%02d %02d:%02d:%02d : %-5s",
2034 if ( $self->_logopen )
2036 print {$self->{fh}} $timestring . " - " . join(" ",@_) . "\n";
2038 push @{$self->{buffer}}, $timestring . " - " . join(" ",@_) . "\n";
2044 This method simply closes the file handle if one is open
2051 if ( $self->_logopen )
2057 package GITCVS::updater;
2060 #### Copyright The Open University UK - 2006.
2062 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2063 #### Martin Langhoff <martin@catalyst.net.nz>
2085 die "Need to specify a git repository" unless ( defined($config) and -d $config );
2086 die "Need to specify a module" unless ( defined($module) );
2088 $class = ref($class) || $class;
2092 bless $self, $class;
2094 $self->{dbdir} = $config . "/";
2095 die "Database dir '$self->{dbdir}' isn't a directory" unless ( defined($self->{dbdir}) and -d $self->{dbdir} );
2097 $self->{module} = $module;
2098 $self->{file} = $self->{dbdir} . "/gitcvs.$module.sqlite";
2100 $self->{git_path} = $config . "/";
2102 $self->{log} = $log;
2104 die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
2106 $self->{dbh} = DBI->connect("dbi:SQLite:dbname=" . $self->{file},"","");
2108 $self->{tables} = {};
2109 foreach my $table ( $self->{dbh}->tables )
2113 $self->{tables}{$table} = 1;
2116 # Construct the revision table if required
2117 unless ( $self->{tables}{revision} )
2120 CREATE TABLE revision (
2122 revision INTEGER NOT NULL,
2123 filehash TEXT NOT NULL,
2124 commithash TEXT NOT NULL,
2125 author TEXT NOT NULL,
2126 modified TEXT NOT NULL,
2131 CREATE INDEX revision_ix1
2132 ON revision (name,revision)
2135 CREATE INDEX revision_ix2
2136 ON revision (name,commithash)
2140 # Construct the head table if required
2141 unless ( $self->{tables}{head} )
2146 revision INTEGER NOT NULL,
2147 filehash TEXT NOT NULL,
2148 commithash TEXT NOT NULL,
2149 author TEXT NOT NULL,
2150 modified TEXT NOT NULL,
2155 CREATE INDEX head_ix1
2160 # Construct the properties table if required
2161 unless ( $self->{tables}{properties} )
2164 CREATE TABLE properties (
2165 key TEXT NOT NULL PRIMARY KEY,
2171 # Construct the commitmsgs table if required
2172 unless ( $self->{tables}{commitmsgs} )
2175 CREATE TABLE commitmsgs (
2176 key TEXT NOT NULL PRIMARY KEY,
2192 # first lets get the commit list
2193 $ENV{GIT_DIR} = $self->{git_path};
2195 my $commitsha1 = `git rev-parse $self->{module}`;
2198 my $commitinfo = `git cat-file commit $self->{module} 2>&1`;
2199 unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
2201 die("Invalid module '$self->{module}'");
2206 my $lastcommit = $self->_get_prop("last_commit");
2208 if (defined $lastcommit && $lastcommit eq $commitsha1) { # up-to-date
2212 # Start exclusive lock here...
2213 $self->{dbh}->begin_work() or die "Cannot lock database for BEGIN";
2215 # TODO: log processing is memory bound
2216 # if we can parse into a 2nd file that is in reverse order
2217 # we can probably do something really efficient
2218 my @git_log_params = ('--pretty', '--parents', '--topo-order');
2220 if (defined $lastcommit) {
2221 push @git_log_params, "$lastcommit..$self->{module}";
2223 push @git_log_params, $self->{module};
2225 # git-rev-list is the backend / plumbing version of git-log
2226 open(GITLOG, '-|', 'git-rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
2235 if (m/^commit\s+(.*)$/) {
2236 # on ^commit lines put the just seen commit in the stack
2237 # and prime things for the next one
2240 unshift @commits, \%copy;
2243 my @parents = split(m/\s+/, $1);
2244 $commit{hash} = shift @parents;
2245 $commit{parents} = \@parents;
2246 } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
2247 # on rfc822-like lines seen before we see any message,
2248 # lowercase the entry and put it in the hash as key-value
2249 $commit{lc($1)} = $2;
2251 # message lines - skip initial empty line
2252 # and trim whitespace
2253 if (!exists($commit{message}) && m/^\s*$/) {
2254 # define it to mark the end of headers
2255 $commit{message} = '';
2258 s/^\s+//; s/\s+$//; # trim ws
2259 $commit{message} .= $_ . "\n";
2264 unshift @commits, \%commit if ( keys %commit );
2266 # Now all the commits are in the @commits bucket
2267 # ordered by time DESC. for each commit that needs processing,
2268 # determine whether it's following the last head we've seen or if
2269 # it's on its own branch, grab a file list, and add whatever's changed
2270 # NOTE: $lastcommit refers to the last commit from previous run
2271 # $lastpicked is the last commit we picked in this run
2274 if (defined $lastcommit) {
2275 $lastpicked = $lastcommit;
2278 my $committotal = scalar(@commits);
2279 my $commitcount = 0;
2281 # Load the head table into $head (for cached lookups during the update process)
2282 foreach my $file ( @{$self->gethead()} )
2284 $head->{$file->{name}} = $file;
2287 foreach my $commit ( @commits )
2289 $self->{log}->debug("GITCVS::updater - Processing commit $commit->{hash} (" . (++$commitcount) . " of $committotal)");
2290 if (defined $lastpicked)
2292 if (!in_array($lastpicked, @{$commit->{parents}}))
2294 # skip, we'll see this delta
2295 # as part of a merge later
2296 # warn "skipping off-track $commit->{hash}\n";
2298 } elsif (@{$commit->{parents}} > 1) {
2299 # it is a merge commit, for each parent that is
2300 # not $lastpicked, see if we can get a log
2301 # from the merge-base to that parent to put it
2302 # in the message as a merge summary.
2303 my @parents = @{$commit->{parents}};
2304 foreach my $parent (@parents) {
2305 # git-merge-base can potentially (but rarely) throw
2306 # several candidate merge bases. let's assume
2307 # that the first one is the best one.
2308 if ($parent eq $lastpicked) {
2311 open my $p, 'git-merge-base '. $lastpicked . ' '
2313 my @output = (<$p>);
2315 my $base = join('', @output);
2319 # print "want to log between $base $parent \n";
2320 open(GITLOG, '-|', 'git-log', "$base..$parent")
2321 or die "Cannot call git-log: $!";
2325 if (!defined $mergedhash) {
2326 if (m/^commit\s+(.+)$/) {
2332 # grab the first line that looks non-rfc822
2333 # aka has content after leading space
2334 if (m/^\s+(\S.*)$/) {
2336 $title = substr($title,0,100); # truncate
2337 unshift @merged, "$mergedhash $title";
2344 $commit->{mergemsg} = $commit->{message};
2345 $commit->{mergemsg} .= "\nSummary of merged commits:\n\n";
2346 foreach my $summary (@merged) {
2347 $commit->{mergemsg} .= "\t$summary\n";
2349 $commit->{mergemsg} .= "\n\n";
2350 # print "Message for $commit->{hash} \n$commit->{mergemsg}";
2357 # convert the date to CVS-happy format
2358 $commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
2360 if ( defined ( $lastpicked ) )
2362 my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
2364 while ( <FILELIST> )
2367 unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)$/o )
2369 die("Couldn't process git-diff-tree line : $_");
2371 my ($mode, $hash, $change) = ($1, $2, $3);
2372 my $name = <FILELIST>;
2375 # $log->debug("File mode=$mode, hash=$hash, change=$change, name=$name");
2378 $git_perms .= "r" if ( $mode & 4 );
2379 $git_perms .= "w" if ( $mode & 2 );
2380 $git_perms .= "x" if ( $mode & 1 );
2381 $git_perms = "rw" if ( $git_perms eq "" );
2383 if ( $change eq "D" )
2385 #$log->debug("DELETE $name");
2388 revision => $head->{$name}{revision} + 1,
2389 filehash => "deleted",
2390 commithash => $commit->{hash},
2391 modified => $commit->{date},
2392 author => $commit->{author},
2395 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2397 elsif ( $change eq "M" )
2399 #$log->debug("MODIFIED $name");
2402 revision => $head->{$name}{revision} + 1,
2404 commithash => $commit->{hash},
2405 modified => $commit->{date},
2406 author => $commit->{author},
2409 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2411 elsif ( $change eq "A" )
2413 #$log->debug("ADDED $name");
2418 commithash => $commit->{hash},
2419 modified => $commit->{date},
2420 author => $commit->{author},
2423 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2427 $log->warn("UNKNOWN FILE CHANGE mode=$mode, hash=$hash, change=$change, name=$name");
2433 # this is used to detect files removed from the repo
2434 my $seen_files = {};
2436 my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
2438 while ( <FILELIST> )
2441 unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
2443 die("Couldn't process git-ls-tree line : $_");
2446 my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
2448 $seen_files->{$git_filename} = 1;
2450 my ( $oldhash, $oldrevision, $oldmode ) = (
2451 $head->{$git_filename}{filehash},
2452 $head->{$git_filename}{revision},
2453 $head->{$git_filename}{mode}
2456 if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
2459 $git_perms .= "r" if ( $1 & 4 );
2460 $git_perms .= "w" if ( $1 & 2 );
2461 $git_perms .= "x" if ( $1 & 1 );
2466 # unless the file exists with the same hash, we need to update it ...
2467 unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
2469 my $newrevision = ( $oldrevision or 0 ) + 1;
2471 $head->{$git_filename} = {
2472 name => $git_filename,
2473 revision => $newrevision,
2474 filehash => $git_hash,
2475 commithash => $commit->{hash},
2476 modified => $commit->{date},
2477 author => $commit->{author},
2482 $self->insert_rev($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
2487 # Detect deleted files
2488 foreach my $file ( keys %$head )
2490 unless ( exists $seen_files->{$file} or $head->{$file}{filehash} eq "deleted" )
2492 $head->{$file}{revision}++;
2493 $head->{$file}{filehash} = "deleted";
2494 $head->{$file}{commithash} = $commit->{hash};
2495 $head->{$file}{modified} = $commit->{date};
2496 $head->{$file}{author} = $commit->{author};
2498 $self->insert_rev($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
2501 # END : "Detect deleted files"
2505 if (exists $commit->{mergemsg})
2507 $self->insert_mergelog($commit->{hash}, $commit->{mergemsg});
2510 $lastpicked = $commit->{hash};
2512 $self->_set_prop("last_commit", $commit->{hash});
2515 $self->delete_head();
2516 foreach my $file ( keys %$head )
2520 $head->{$file}{revision},
2521 $head->{$file}{filehash},
2522 $head->{$file}{commithash},
2523 $head->{$file}{modified},
2524 $head->{$file}{author},
2525 $head->{$file}{mode},
2528 # invalidate the gethead cache
2529 $self->{gethead_cache} = undef;
2532 # Ending exclusive lock here
2533 $self->{dbh}->commit() or die "Failed to commit changes to SQLite";
2540 my $revision = shift;
2541 my $filehash = shift;
2542 my $commithash = shift;
2543 my $modified = shift;
2547 my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO revision (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
2548 $insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
2557 my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO commitmsgs (key, value) VALUES (?,?)",{},1);
2558 $insert_mergelog->execute($key, $value);
2565 my $delete_head = $self->{dbh}->prepare_cached("DELETE FROM head",{},1);
2566 $delete_head->execute();
2573 my $revision = shift;
2574 my $filehash = shift;
2575 my $commithash = shift;
2576 my $modified = shift;
2580 my $insert_head = $self->{dbh}->prepare_cached("INSERT INTO head (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
2581 $insert_head->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
2587 my $filename = shift;
2589 my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM head WHERE name=?",{},1);
2590 $db_query->execute($filename);
2591 my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
2593 return ( $hash, $revision, $mode );
2601 my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM properties WHERE key=?",{},1);
2602 $db_query->execute($key);
2603 my ( $value ) = $db_query->fetchrow_array;
2614 my $db_query = $self->{dbh}->prepare_cached("UPDATE properties SET value=? WHERE key=?",{},1);
2615 $db_query->execute($value, $key);
2617 unless ( $db_query->rows )
2619 $db_query = $self->{dbh}->prepare_cached("INSERT INTO properties (key, value) VALUES (?,?)",{},1);
2620 $db_query->execute($key, $value);
2634 return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
2636 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM head ORDER BY name ASC",{},1);
2637 $db_query->execute();
2640 while ( my $file = $db_query->fetchrow_hashref )
2645 $self->{gethead_cache} = $tree;
2657 my $filename = shift;
2659 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2660 $db_query->execute($filename);
2663 while ( my $file = $db_query->fetchrow_hashref )
2673 This function takes a filename (with path) argument and returns a hashref of
2674 metadata for that file.
2681 my $filename = shift;
2682 my $revision = shift;
2685 if ( defined($revision) and $revision =~ /^\d+$/ )
2687 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND revision=?",{},1);
2688 $db_query->execute($filename, $revision);
2690 elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
2692 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM revision WHERE name=? AND commithash=?",{},1);
2693 $db_query->execute($filename, $revision);
2695 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM head WHERE name=?",{},1);
2696 $db_query->execute($filename);
2699 return $db_query->fetchrow_hashref;
2702 =head2 commitmessage
2704 this function takes a commithash and returns the commit message for that commit
2710 my $commithash = shift;
2712 die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
2715 $db_query = $self->{dbh}->prepare_cached("SELECT value FROM commitmsgs WHERE key=?",{},1);
2716 $db_query->execute($commithash);
2718 my ( $message ) = $db_query->fetchrow_array;
2720 if ( defined ( $message ) )
2722 $message .= " " if ( $message =~ /\n$/ );
2726 my @lines = safe_pipe_capture("git-cat-file", "commit", $commithash);
2727 shift @lines while ( $lines[0] =~ /\S/ );
2728 $message = join("",@lines);
2729 $message .= " " if ( $message =~ /\n$/ );
2735 This function takes a filename (with path) argument and returns an arrayofarrays
2736 containing revision,filehash,commithash ordered by revision descending
2742 my $filename = shift;
2745 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? ORDER BY revision DESC",{},1);
2746 $db_query->execute($filename);
2748 return $db_query->fetchall_arrayref;
2751 =head2 gethistorydense
2753 This function takes a filename (with path) argument and returns an arrayofarrays
2754 containing revision,filehash,commithash ordered by revision descending.
2756 This version of gethistory skips deleted entries -- so it is useful for annotate.
2757 The 'dense' part is a reference to a '--dense' option available for git-rev-list
2758 and other git tools that depend on it.
2764 my $filename = shift;
2767 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM revision WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
2768 $db_query->execute($filename);
2770 return $db_query->fetchall_arrayref;
2775 from Array::PAT - mimics the in_array() function
2776 found in PHP. Yuck but works for small arrays.
2781 my ($check, @array) = @_;
2783 foreach my $test (@array){
2784 if($check eq $test){
2791 =head2 safe_pipe_capture
2793 an alternative to `command` that allows input to be passed as an array
2794 to work around shell problems with weird characters in arguments
2797 sub safe_pipe_capture {
2801 if (my $pid = open my $child, '-|') {
2802 @output = (<$child>);
2803 close $child or die join(' ',@_).": $! $?";
2805 exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
2807 return wantarray ? @output : join('',@output);