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/;
24 use File::Path qw/rmtree/;
26 use Getopt::Long qw(:config require_order no_ignore_case);
28 my $VERSION = '@@GIT_VERSION@@';
30 my $log = GITCVS::log->new();
48 # Enable autoflush for STDOUT (otherwise the whole thing falls apart)
51 #### Definition and mappings of functions ####
55 'Valid-responses' => \&req_Validresponses,
56 'valid-requests' => \&req_validrequests,
57 'Directory' => \&req_Directory,
58 'Entry' => \&req_Entry,
59 'Modified' => \&req_Modified,
60 'Unchanged' => \&req_Unchanged,
61 'Questionable' => \&req_Questionable,
62 'Argument' => \&req_Argument,
63 'Argumentx' => \&req_Argument,
64 'expand-modules' => \&req_expandmodules,
66 'remove' => \&req_remove,
68 'update' => \&req_update,
73 'tag' => \&req_CATCHALL,
74 'status' => \&req_status,
75 'admin' => \&req_CATCHALL,
76 'history' => \&req_CATCHALL,
77 'watchers' => \&req_EMPTY,
78 'editors' => \&req_EMPTY,
79 'noop' => \&req_EMPTY,
80 'annotate' => \&req_annotate,
81 'Global_option' => \&req_Globaloption,
82 #'annotate' => \&req_CATCHALL,
85 ##############################################
88 # $state holds all the bits of information the clients sends us that could
89 # potentially be useful when it comes to actually _doing_ something.
90 my $state = { prependdir => '' };
92 # Work is for managing temporary working directory
95 state => undef, # undef, 1 (empty), 2 (with stuff)
102 $log->info("--------------- STARTING -----------------");
105 "Usage: git cvsserver [options] [pserver|server] [<directory> ...]\n".
106 " --base-path <path> : Prepend to requested CVSROOT\n".
107 " Can be read from GIT_CVSSERVER_BASE_PATH\n".
108 " --strict-paths : Don't allow recursing into subdirectories\n".
109 " --export-all : Don't check for gitcvs.enabled in config\n".
110 " --version, -V : Print version information and exit\n".
111 " --help, -h, -H : Print usage information and exit\n".
113 "<directory> ... is a list of allowed directories. If no directories\n".
114 "are given, all are allowed. This is an additional restriction, gitcvs\n".
115 "access still needs to be enabled by the gitcvs.enabled config option.\n".
116 "Alternately, one directory may be specified in GIT_CVSSERVER_ROOT.\n";
118 my @opts = ( 'help|h|H', 'version|V',
119 'base-path=s', 'strict-paths', 'export-all' );
120 GetOptions( $state, @opts )
123 if ($state->{version}) {
124 print "git-cvsserver version $VERSION\n";
127 if ($state->{help}) {
132 my $TEMP_DIR = tempdir( CLEANUP => 1 );
133 $log->debug("Temporary directory is '$TEMP_DIR'");
135 $state->{method} = 'ext';
137 if ($ARGV[0] eq 'pserver') {
138 $state->{method} = 'pserver';
140 } elsif ($ARGV[0] eq 'server') {
145 # everything else is a directory
146 $state->{allowed_roots} = [ @ARGV ];
148 # don't export the whole system unless the users requests it
149 if ($state->{'export-all'} && !@{$state->{allowed_roots}}) {
150 die "--export-all can only be used together with an explicit whitelist\n";
153 # Environment handling for running under git-shell
154 if (exists $ENV{GIT_CVSSERVER_BASE_PATH}) {
155 if ($state->{'base-path'}) {
156 die "Cannot specify base path both ways.\n";
158 my $base_path = $ENV{GIT_CVSSERVER_BASE_PATH};
159 $state->{'base-path'} = $base_path;
160 $log->debug("Picked up base path '$base_path' from environment.\n");
162 if (exists $ENV{GIT_CVSSERVER_ROOT}) {
163 if (@{$state->{allowed_roots}}) {
164 die "Cannot specify roots both ways: @ARGV\n";
166 my $allowed_root = $ENV{GIT_CVSSERVER_ROOT};
167 $state->{allowed_roots} = [ $allowed_root ];
168 $log->debug("Picked up allowed root '$allowed_root' from environment.\n");
171 # if we are called with a pserver argument,
172 # deal with the authentication cat before entering the
174 if ($state->{method} eq 'pserver') {
175 my $line = <STDIN>; chomp $line;
176 unless( $line =~ /^BEGIN (AUTH|VERIFICATION) REQUEST$/) {
177 die "E Do not understand $line - expecting BEGIN AUTH REQUEST\n";
180 $line = <STDIN>; chomp $line;
181 unless (req_Root('root', $line)) { # reuse Root
182 print "E Invalid root $line \n";
185 $line = <STDIN>; chomp $line;
186 unless ($line eq 'anonymous') {
187 print "E Only anonymous user allowed via pserver\n";
188 print "I HATE YOU\n";
191 $line = <STDIN>; chomp $line; # validate the password?
192 $line = <STDIN>; chomp $line;
193 unless ($line eq "END $request REQUEST") {
194 die "E Do not understand $line -- expecting END $request REQUEST\n";
196 print "I LOVE YOU\n";
197 exit if $request eq 'VERIFICATION'; # cvs login
198 # and now back to our regular programme...
201 # Keep going until the client closes the connection
206 # Check to see if we've seen this method, and call appropriate function.
207 if ( /^([\w-]+)(?:\s+(.*))?$/ and defined($methods->{$1}) )
209 # use the $methods hash to call the appropriate sub for this command
210 #$log->info("Method : $1");
211 &{$methods->{$1}}($1,$2);
213 # log fatal because we don't understand this function. If this happens
214 # we're fairly screwed because we don't know if the client is expecting
215 # a response. If it is, the client will hang, we'll hang, and the whole
216 # thing will be custard.
217 $log->fatal("Don't understand command $_\n");
218 die("Unknown command $_");
222 $log->debug("Processing time : user=" . (times)[0] . " system=" . (times)[1]);
223 $log->info("--------------- FINISH -----------------");
228 # Magic catchall method.
229 # This is the method that will handle all commands we haven't yet
230 # implemented. It simply sends a warning to the log file indicating a
231 # command that hasn't been implemented has been invoked.
234 my ( $cmd, $data ) = @_;
235 $log->warn("Unhandled command : req_$cmd : $data");
238 # This method invariably succeeds with an empty response.
245 # Response expected: no. Tell the server which CVSROOT to use. Note that
246 # pathname is a local directory and not a fully qualified CVSROOT variable.
247 # pathname must already exist; if creating a new root, use the init
248 # request, not Root. pathname does not include the hostname of the server,
249 # how to access the server, etc.; by the time the CVS protocol is in use,
250 # connection, authentication, etc., are already taken care of. The Root
251 # request must be sent only once, and it must be sent before any requests
252 # other than Valid-responses, valid-requests, UseUnchanged, Set or init.
255 my ( $cmd, $data ) = @_;
256 $log->debug("req_Root : $data");
258 unless ($data =~ m#^/#) {
259 print "error 1 Root must be an absolute pathname\n";
263 my $cvsroot = $state->{'base-path'} || '';
267 if ($state->{CVSROOT}
268 && ($state->{CVSROOT} ne $cvsroot)) {
269 print "error 1 Conflicting roots specified\n";
273 $state->{CVSROOT} = $cvsroot;
275 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
277 if (@{$state->{allowed_roots}}) {
279 foreach my $dir (@{$state->{allowed_roots}}) {
280 next unless $dir =~ m#^/#;
282 if ($state->{'strict-paths'}) {
283 if ($ENV{GIT_DIR} =~ m#^\Q$dir\E/?$#) {
287 } elsif ($ENV{GIT_DIR} =~ m#^\Q$dir\E(/?$|/)#) {
294 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
296 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
301 unless (-d $ENV{GIT_DIR} && -e $ENV{GIT_DIR}.'HEAD') {
302 print "E $ENV{GIT_DIR} does not seem to be a valid GIT repository\n";
304 print "error 1 $ENV{GIT_DIR} is not a valid repository\n";
308 my @gitvars = `git config -l`;
310 print "E problems executing git-config on the server -- this is not a git repository or the PATH is not set correctly.\n";
312 print "error 1 - problem executing git-config\n";
315 foreach my $line ( @gitvars )
317 next unless ( $line =~ /^(gitcvs)\.(?:(ext|pserver)\.)?([\w-]+)=(.*)$/ );
321 $cfg->{$1}{$2}{$3} = $4;
325 my $enabled = ($cfg->{gitcvs}{$state->{method}}{enabled}
326 || $cfg->{gitcvs}{enabled});
327 unless ($state->{'export-all'} ||
328 ($enabled && $enabled =~ /^\s*(1|true|yes)\s*$/i)) {
329 print "E GITCVS emulation needs to be enabled on this repo\n";
330 print "E the repo config file needs a [gitcvs] section added, and the parameter 'enabled' set to 1\n";
332 print "error 1 GITCVS emulation disabled\n";
336 my $logfile = $cfg->{gitcvs}{$state->{method}}{logfile} || $cfg->{gitcvs}{logfile};
339 $log->setfile($logfile);
347 # Global_option option \n
348 # Response expected: no. Transmit one of the global options `-q', `-Q',
349 # `-l', `-t', `-r', or `-n'. option must be one of those strings, no
350 # variations (such as combining of options) are allowed. For graceful
351 # handling of valid-requests, it is probably better to make new global
352 # options separate requests, rather than trying to add them to this
356 my ( $cmd, $data ) = @_;
357 $log->debug("req_Globaloption : $data");
358 $state->{globaloptions}{$data} = 1;
361 # Valid-responses request-list \n
362 # Response expected: no. Tell the server what responses the client will
363 # accept. request-list is a space separated list of tokens.
364 sub req_Validresponses
366 my ( $cmd, $data ) = @_;
367 $log->debug("req_Validresponses : $data");
369 # TODO : re-enable this, currently it's not particularly useful
370 #$state->{validresponses} = [ split /\s+/, $data ];
374 # Response expected: yes. Ask the server to send back a Valid-requests
376 sub req_validrequests
378 my ( $cmd, $data ) = @_;
380 $log->debug("req_validrequests");
382 $log->debug("SEND : Valid-requests " . join(" ",keys %$methods));
383 $log->debug("SEND : ok");
385 print "Valid-requests " . join(" ",keys %$methods) . "\n";
389 # Directory local-directory \n
390 # Additional data: repository \n. Response expected: no. Tell the server
391 # what directory to use. The repository should be a directory name from a
392 # previous server response. Note that this both gives a default for Entry
393 # and Modified and also for ci and the other commands; normal usage is to
394 # send Directory for each directory in which there will be an Entry or
395 # Modified, and then a final Directory for the original directory, then the
396 # command. The local-directory is relative to the top level at which the
397 # command is occurring (i.e. the last Directory which is sent before the
398 # command); to indicate that top level, `.' should be sent for
402 my ( $cmd, $data ) = @_;
404 my $repository = <STDIN>;
408 $state->{localdir} = $data;
409 $state->{repository} = $repository;
410 $state->{path} = $repository;
411 $state->{path} =~ s/^$state->{CVSROOT}\///;
412 $state->{module} = $1 if ($state->{path} =~ s/^(.*?)(\/|$)//);
413 $state->{path} .= "/" if ( $state->{path} =~ /\S/ );
415 $state->{directory} = $state->{localdir};
416 $state->{directory} = "" if ( $state->{directory} eq "." );
417 $state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
419 if ( (not defined($state->{prependdir}) or $state->{prependdir} eq '') and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
421 $log->info("Setting prepend to '$state->{path}'");
422 $state->{prependdir} = $state->{path};
423 foreach my $entry ( keys %{$state->{entries}} )
425 $state->{entries}{$state->{prependdir} . $entry} = $state->{entries}{$entry};
426 delete $state->{entries}{$entry};
430 if ( defined ( $state->{prependdir} ) )
432 $log->debug("Prepending '$state->{prependdir}' to state|directory");
433 $state->{directory} = $state->{prependdir} . $state->{directory}
435 $log->debug("req_Directory : localdir=$data repository=$repository path=$state->{path} directory=$state->{directory} module=$state->{module}");
438 # Entry entry-line \n
439 # Response expected: no. Tell the server what version of a file is on the
440 # local machine. The name in entry-line is a name relative to the directory
441 # most recently specified with Directory. If the user is operating on only
442 # some files in a directory, Entry requests for only those files need be
443 # included. If an Entry request is sent without Modified, Is-modified, or
444 # Unchanged, it means the file is lost (does not exist in the working
445 # directory). If both Entry and one of Modified, Is-modified, or Unchanged
446 # are sent for the same file, Entry must be sent first. For a given file,
447 # one can send Modified, Is-modified, or Unchanged, but not more than one
451 my ( $cmd, $data ) = @_;
453 #$log->debug("req_Entry : $data");
455 my @data = split(/\//, $data);
457 $state->{entries}{$state->{directory}.$data[1]} = {
458 revision => $data[2],
459 conflict => $data[3],
461 tag_or_date => $data[5],
464 $log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'");
467 # Questionable filename \n
468 # Response expected: no. Additional data: no. Tell the server to check
469 # whether filename should be ignored, and if not, next time the server
470 # sends responses, send (in a M response) `?' followed by the directory and
471 # filename. filename must not contain `/'; it needs to be a file in the
472 # directory named by the most recent Directory request.
475 my ( $cmd, $data ) = @_;
477 $log->debug("req_Questionable : $data");
478 $state->{entries}{$state->{directory}.$data}{questionable} = 1;
482 # Response expected: yes. Add a file or directory. This uses any previous
483 # Argument, Directory, Entry, or Modified requests, if they have been sent.
484 # The last Directory sent specifies the working directory at the time of
485 # the operation. To add a directory, send the directory to be added using
486 # Directory and Argument requests.
489 my ( $cmd, $data ) = @_;
493 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
496 argsfromdir($updater);
500 foreach my $filename ( @{$state->{args}} )
502 $filename = filecleanup($filename);
504 my $meta = $updater->getmeta($filename);
505 my $wrev = revparse($filename);
507 if ($wrev && $meta && ($wrev < 0))
509 # previously removed file, add back
510 $log->info("added file $filename was previously removed, send 1.$meta->{revision}");
512 print "MT +updated\n";
513 print "MT text U \n";
514 print "MT fname $filename\n";
515 print "MT newline\n";
516 print "MT -updated\n";
518 unless ( $state->{globaloptions}{-n} )
520 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
522 print "Created $dirpart\n";
523 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
525 # this is an "entries" line
526 my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
527 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
528 print "/$filepart/1.$meta->{revision}//$kopts/\n";
530 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
531 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
533 transmitfile($meta->{filehash});
539 unless ( defined ( $state->{entries}{$filename}{modified_filename} ) )
541 print "E cvs add: nothing known about `$filename'\n";
544 # TODO : check we're not squashing an already existing file
545 if ( defined ( $state->{entries}{$filename}{revision} ) )
547 print "E cvs add: `$filename' has already been entered\n";
551 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
553 print "E cvs add: scheduling file `$filename' for addition\n";
555 print "Checked-in $dirpart\n";
557 my $kopts = kopts_from_path($filename,"file",
558 $state->{entries}{$filename}{modified_filename});
559 print "/$filepart/0//$kopts/\n";
561 my $requestedKopts = $state->{opt}{k};
562 if(defined($requestedKopts))
564 $requestedKopts = "-k$requestedKopts";
568 $requestedKopts = "";
570 if( $kopts ne $requestedKopts )
572 $log->warn("Ignoring requested -k='$requestedKopts'"
573 . " for '$filename'; detected -k='$kopts' instead");
574 #TODO: Also have option to send warning to user?
580 if ( $addcount == 1 )
582 print "E cvs add: use `cvs commit' to add this file permanently\n";
584 elsif ( $addcount > 1 )
586 print "E cvs add: use `cvs commit' to add these files permanently\n";
593 # Response expected: yes. Remove a file. This uses any previous Argument,
594 # Directory, Entry, or Modified requests, if they have been sent. The last
595 # Directory sent specifies the working directory at the time of the
596 # operation. Note that this request does not actually do anything to the
597 # repository; the only effect of a successful remove request is to supply
598 # the client with a new entries line containing `-' to indicate a removed
599 # file. In fact, the client probably could perform this operation without
600 # contacting the server, although using remove may cause the server to
601 # perform a few more checks. The client sends a subsequent ci request to
602 # actually record the removal in the repository.
605 my ( $cmd, $data ) = @_;
609 # Grab a handle to the SQLite db and do any necessary updates
610 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
613 #$log->debug("add state : " . Dumper($state));
617 foreach my $filename ( @{$state->{args}} )
619 $filename = filecleanup($filename);
621 if ( defined ( $state->{entries}{$filename}{unchanged} ) or defined ( $state->{entries}{$filename}{modified_filename} ) )
623 print "E cvs remove: file `$filename' still in working directory\n";
627 my $meta = $updater->getmeta($filename);
628 my $wrev = revparse($filename);
630 unless ( defined ( $wrev ) )
632 print "E cvs remove: nothing known about `$filename'\n";
636 if ( defined($wrev) and $wrev < 0 )
638 print "E cvs remove: file `$filename' already scheduled for removal\n";
642 unless ( $wrev == $meta->{revision} )
644 # TODO : not sure if the format of this message is quite correct.
645 print "E cvs remove: Up to date check failed for `$filename'\n";
650 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
652 print "E cvs remove: scheduling `$filename' for removal\n";
654 print "Checked-in $dirpart\n";
656 my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
657 print "/$filepart/-1.$wrev//$kopts/\n";
664 print "E cvs remove: use `cvs commit' to remove this file permanently\n";
666 elsif ( $rmcount > 1 )
668 print "E cvs remove: use `cvs commit' to remove these files permanently\n";
674 # Modified filename \n
675 # Response expected: no. Additional data: mode, \n, file transmission. Send
676 # the server a copy of one locally modified file. filename is a file within
677 # the most recent directory sent with Directory; it must not contain `/'.
678 # If the user is operating on only some files in a directory, only those
679 # files need to be included. This can also be sent without Entry, if there
680 # is no entry for the file.
683 my ( $cmd, $data ) = @_;
687 or (print "E end of file reading mode for $data\n"), return;
691 or (print "E end of file reading size of $data\n"), return;
694 # Grab config information
695 my $blocksize = 8192;
696 my $bytesleft = $size;
699 # Get a filehandle/name to write it to
700 my ( $fh, $filename ) = tempfile( DIR => $TEMP_DIR );
702 # Loop over file data writing out to temporary file.
705 $blocksize = $bytesleft if ( $bytesleft < $blocksize );
706 read STDIN, $tmp, $blocksize;
708 $bytesleft -= $blocksize;
712 or (print "E failed to write temporary, $filename: $!\n"), return;
714 # Ensure we have something sensible for the file mode
715 if ( $mode =~ /u=(\w+)/ )
722 # Save the file data in $state
723 $state->{entries}{$state->{directory}.$data}{modified_filename} = $filename;
724 $state->{entries}{$state->{directory}.$data}{modified_mode} = $mode;
725 $state->{entries}{$state->{directory}.$data}{modified_hash} = `git hash-object $filename`;
726 $state->{entries}{$state->{directory}.$data}{modified_hash} =~ s/\s.*$//s;
728 #$log->debug("req_Modified : file=$data mode=$mode size=$size");
731 # Unchanged filename \n
732 # Response expected: no. Tell the server that filename has not been
733 # modified in the checked out directory. The filename is a file within the
734 # most recent directory sent with Directory; it must not contain `/'.
737 my ( $cmd, $data ) = @_;
739 $state->{entries}{$state->{directory}.$data}{unchanged} = 1;
741 #$log->debug("req_Unchanged : $data");
745 # Response expected: no. Save argument for use in a subsequent command.
746 # Arguments accumulate until an argument-using command is given, at which
747 # point they are forgotten.
749 # Response expected: no. Append \n followed by text to the current argument
753 my ( $cmd, $data ) = @_;
755 # Argumentx means: append to last Argument (with a newline in front)
757 $log->debug("$cmd : $data");
759 if ( $cmd eq 'Argumentx') {
760 ${$state->{arguments}}[$#{$state->{arguments}}] .= "\n" . $data;
762 push @{$state->{arguments}}, $data;
767 # Response expected: yes. Expand the modules which are specified in the
768 # arguments. Returns the data in Module-expansion responses. Note that the
769 # server can assume that this is checkout or export, not rtag or rdiff; the
770 # latter do not access the working directory and thus have no need to
771 # expand modules on the client side. Expand may not be the best word for
772 # what this request does. It does not necessarily tell you all the files
773 # contained in a module, for example. Basically it is a way of telling you
774 # which working directories the server needs to know about in order to
775 # handle a checkout of the specified modules. For example, suppose that the
776 # server has a module defined by
777 # aliasmodule -a 1dir
778 # That is, one can check out aliasmodule and it will take 1dir in the
779 # repository and check it out to 1dir in the working directory. Now suppose
780 # the client already has this module checked out and is planning on using
781 # the co request to update it. Without using expand-modules, the client
782 # would have two bad choices: it could either send information about all
783 # working directories under the current directory, which could be
784 # unnecessarily slow, or it could be ignorant of the fact that aliasmodule
785 # stands for 1dir, and neglect to send information for 1dir, which would
786 # lead to incorrect operation. With expand-modules, the client would first
787 # ask for the module to be expanded:
788 sub req_expandmodules
790 my ( $cmd, $data ) = @_;
794 $log->debug("req_expandmodules : " . ( defined($data) ? $data : "[NULL]" ) );
796 unless ( ref $state->{arguments} eq "ARRAY" )
802 foreach my $module ( @{$state->{arguments}} )
804 $log->debug("SEND : Module-expansion $module");
805 print "Module-expansion $module\n";
813 # Response expected: yes. Get files from the repository. This uses any
814 # previous Argument, Directory, Entry, or Modified requests, if they have
815 # been sent. Arguments to this command are module names; the client cannot
816 # know what directories they correspond to except by (1) just sending the
817 # co request, and then seeing what directory names the server sends back in
818 # its responses, and (2) the expand-modules request.
821 my ( $cmd, $data ) = @_;
825 # Provide list of modules, if -c was used.
826 if (exists $state->{opt}{c}) {
827 my $showref = `git show-ref --heads`;
828 for my $line (split '\n', $showref) {
829 if ( $line =~ m% refs/heads/(.*)$% ) {
837 my $module = $state->{args}[0];
838 $state->{module} = $module;
839 my $checkout_path = $module;
841 # use the user specified directory if we're given it
842 $checkout_path = $state->{opt}{d} if ( exists ( $state->{opt}{d} ) );
844 $log->debug("req_co : " . ( defined($data) ? $data : "[NULL]" ) );
846 $log->info("Checking out module '$module' ($state->{CVSROOT}) to '$checkout_path'");
848 $ENV{GIT_DIR} = $state->{CVSROOT} . "/";
850 # Grab a handle to the SQLite db and do any necessary updates
851 my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
854 $checkout_path =~ s|/$||; # get rid of trailing slashes
856 # Eclipse seems to need the Clear-sticky command
857 # to prepare the 'Entries' file for the new directory.
858 print "Clear-sticky $checkout_path/\n";
859 print $state->{CVSROOT} . "/$module/\n";
860 print "Clear-static-directory $checkout_path/\n";
861 print $state->{CVSROOT} . "/$module/\n";
862 print "Clear-sticky $checkout_path/\n"; # yes, twice
863 print $state->{CVSROOT} . "/$module/\n";
864 print "Template $checkout_path/\n";
865 print $state->{CVSROOT} . "/$module/\n";
868 # instruct the client that we're checking out to $checkout_path
869 print "E cvs checkout: Updating $checkout_path\n";
876 my ($dir, $repodir, $remotedir, $seendirs) = @_;
877 my $parent = dirname($dir);
880 $remotedir =~ s|/+$||;
882 $log->debug("announcedir $dir, $repodir, $remotedir" );
884 if ($parent eq '.' || $parent eq './') {
887 # recurse to announce unseen parents first
888 if (length($parent) && !exists($seendirs->{$parent})) {
889 prepdir($parent, $repodir, $remotedir, $seendirs);
891 # Announce that we are going to modify at the parent level
893 print "E cvs checkout: Updating $remotedir/$parent\n";
895 print "E cvs checkout: Updating $remotedir\n";
897 print "Clear-sticky $remotedir/$parent/\n";
898 print "$repodir/$parent/\n";
900 print "Clear-static-directory $remotedir/$dir/\n";
901 print "$repodir/$dir/\n";
902 print "Clear-sticky $remotedir/$parent/\n"; # yes, twice
903 print "$repodir/$parent/\n";
904 print "Template $remotedir/$dir/\n";
905 print "$repodir/$dir/\n";
908 $seendirs->{$dir} = 1;
911 foreach my $git ( @{$updater->gethead} )
913 # Don't want to check out deleted files
914 next if ( $git->{filehash} eq "deleted" );
916 my $fullName = $git->{name};
917 ( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
919 if (length($git->{dir}) && $git->{dir} ne './'
920 && $git->{dir} ne $lastdir ) {
921 unless (exists($seendirs{$git->{dir}})) {
922 prepdir($git->{dir}, $state->{CVSROOT} . "/$module/",
923 $checkout_path, \%seendirs);
924 $lastdir = $git->{dir};
925 $seendirs{$git->{dir}} = 1;
927 print "E cvs checkout: Updating /$checkout_path/$git->{dir}\n";
930 # modification time of this file
931 print "Mod-time $git->{modified}\n";
933 # print some information to the client
934 if ( defined ( $git->{dir} ) and $git->{dir} ne "./" )
936 print "M U $checkout_path/$git->{dir}$git->{name}\n";
938 print "M U $checkout_path/$git->{name}\n";
941 # instruct client we're sending a file to put in this path
942 print "Created $checkout_path/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "\n";
944 print $state->{CVSROOT} . "/$module/" . ( defined ( $git->{dir} ) and $git->{dir} ne "./" ? $git->{dir} . "/" : "" ) . "$git->{name}\n";
946 # this is an "entries" line
947 my $kopts = kopts_from_path($fullName,"sha1",$git->{filehash});
948 print "/$git->{name}/1.$git->{revision}//$kopts/\n";
950 print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
953 transmitfile($git->{filehash});
962 # Response expected: yes. Actually do a cvs update command. This uses any
963 # previous Argument, Directory, Entry, or Modified requests, if they have
964 # been sent. The last Directory sent specifies the working directory at the
965 # time of the operation. The -I option is not used--files which the client
966 # can decide whether to ignore are not mentioned and the client sends the
967 # Questionable request for others.
970 my ( $cmd, $data ) = @_;
972 $log->debug("req_update : " . ( defined($data) ? $data : "[NULL]" ));
977 # It may just be a client exploring the available heads/modules
978 # in that case, list them as top level directories and leave it
979 # at that. Eclipse uses this technique to offer you a list of
980 # projects (heads in this case) to checkout.
982 if ($state->{module} eq '') {
983 my $showref = `git show-ref --heads`;
984 print "E cvs update: Updating .\n";
985 for my $line (split '\n', $showref) {
986 if ( $line =~ m% refs/heads/(.*)$% ) {
987 print "E cvs update: New directory `$1'\n";
995 # Grab a handle to the SQLite db and do any necessary updates
996 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1000 argsfromdir($updater);
1002 #$log->debug("update state : " . Dumper($state));
1004 # foreach file specified on the command line ...
1005 foreach my $filename ( @{$state->{args}} )
1007 $filename = filecleanup($filename);
1009 $log->debug("Processing file $filename");
1011 # if we have a -C we should pretend we never saw modified stuff
1012 if ( exists ( $state->{opt}{C} ) )
1014 delete $state->{entries}{$filename}{modified_hash};
1015 delete $state->{entries}{$filename}{modified_filename};
1016 $state->{entries}{$filename}{unchanged} = 1;
1020 if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
1022 $meta = $updater->getmeta($filename, $1);
1024 $meta = $updater->getmeta($filename);
1027 # If -p was given, "print" the contents of the requested revision.
1028 if ( exists ( $state->{opt}{p} ) ) {
1029 if ( defined ( $meta->{revision} ) ) {
1030 $log->info("Printing '$filename' revision " . $meta->{revision});
1032 transmitfile($meta->{filehash}, { print => 1 });
1038 if ( ! defined $meta )
1047 my $oldmeta = $meta;
1049 my $wrev = revparse($filename);
1051 # If the working copy is an old revision, lets get that version too for comparison.
1052 if ( defined($wrev) and $wrev != $meta->{revision} )
1054 $oldmeta = $updater->getmeta($filename, $wrev);
1057 #$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
1059 # Files are up to date if the working copy and repo copy have the same revision,
1060 # and the working copy is unmodified _and_ the user hasn't specified -C
1061 next if ( defined ( $wrev )
1062 and defined($meta->{revision})
1063 and $wrev == $meta->{revision}
1064 and $state->{entries}{$filename}{unchanged}
1065 and not exists ( $state->{opt}{C} ) );
1067 # If the working copy and repo copy have the same revision,
1068 # but the working copy is modified, tell the client it's modified
1069 if ( defined ( $wrev )
1070 and defined($meta->{revision})
1071 and $wrev == $meta->{revision}
1072 and defined($state->{entries}{$filename}{modified_hash})
1073 and not exists ( $state->{opt}{C} ) )
1075 $log->info("Tell the client the file is modified");
1076 print "MT text M \n";
1077 print "MT fname $filename\n";
1078 print "MT newline\n";
1082 if ( $meta->{filehash} eq "deleted" )
1084 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
1086 $log->info("Removing '$filename' from working copy (no longer in the repo)");
1088 print "E cvs update: `$filename' is no longer in the repository\n";
1089 # Don't want to actually _DO_ the update if -n specified
1090 unless ( $state->{globaloptions}{-n} ) {
1091 print "Removed $dirpart\n";
1092 print "$filepart\n";
1095 elsif ( not defined ( $state->{entries}{$filename}{modified_hash} )
1096 or $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash}
1097 or $meta->{filehash} eq 'added' )
1099 # normal update, just send the new revision (either U=Update,
1100 # or A=Add, or R=Remove)
1101 if ( defined($wrev) && $wrev < 0 )
1103 $log->info("Tell the client the file is scheduled for removal");
1104 print "MT text R \n";
1105 print "MT fname $filename\n";
1106 print "MT newline\n";
1109 elsif ( (!defined($wrev) || $wrev == 0) && (!defined($meta->{revision}) || $meta->{revision} == 0) )
1111 $log->info("Tell the client the file is scheduled for addition");
1112 print "MT text A \n";
1113 print "MT fname $filename\n";
1114 print "MT newline\n";
1119 $log->info("Updating '$filename' to ".$meta->{revision});
1120 print "MT +updated\n";
1121 print "MT text U \n";
1122 print "MT fname $filename\n";
1123 print "MT newline\n";
1124 print "MT -updated\n";
1127 my ( $filepart, $dirpart ) = filenamesplit($filename,1);
1129 # Don't want to actually _DO_ the update if -n specified
1130 unless ( $state->{globaloptions}{-n} )
1132 if ( defined ( $wrev ) )
1134 # instruct client we're sending a file to put in this path as a replacement
1135 print "Update-existing $dirpart\n";
1136 $log->debug("Updating existing file 'Update-existing $dirpart'");
1138 # instruct client we're sending a file to put in this path as a new file
1139 print "Clear-static-directory $dirpart\n";
1140 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
1141 print "Clear-sticky $dirpart\n";
1142 print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
1144 $log->debug("Creating new file 'Created $dirpart'");
1145 print "Created $dirpart\n";
1147 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1149 # this is an "entries" line
1150 my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
1151 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
1152 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1155 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
1156 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
1159 transmitfile($meta->{filehash});
1162 $log->info("Updating '$filename'");
1163 my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
1165 my $mergeDir = setupTmpDir();
1167 my $file_local = $filepart . ".mine";
1168 my $mergedFile = "$mergeDir/$file_local";
1169 system("ln","-s",$state->{entries}{$filename}{modified_filename}, $file_local);
1170 my $file_old = $filepart . "." . $oldmeta->{revision};
1171 transmitfile($oldmeta->{filehash}, { targetfile => $file_old });
1172 my $file_new = $filepart . "." . $meta->{revision};
1173 transmitfile($meta->{filehash}, { targetfile => $file_new });
1175 # we need to merge with the local changes ( M=successful merge, C=conflict merge )
1176 $log->info("Merging $file_local, $file_old, $file_new");
1177 print "M Merging differences between 1.$oldmeta->{revision} and 1.$meta->{revision} into $filename\n";
1179 $log->debug("Temporary directory for merge is $mergeDir");
1181 my $return = system("git", "merge-file", $file_local, $file_old, $file_new);
1188 $log->info("Merged successfully");
1189 print "M M $filename\n";
1190 $log->debug("Merged $dirpart");
1192 # Don't want to actually _DO_ the update if -n specified
1193 unless ( $state->{globaloptions}{-n} )
1195 print "Merged $dirpart\n";
1196 $log->debug($state->{CVSROOT} . "/$state->{module}/$filename");
1197 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1198 my $kopts = kopts_from_path("$dirpart/$filepart",
1199 "file",$mergedFile);
1200 $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
1201 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1204 elsif ( $return == 1 )
1206 $log->info("Merged with conflicts");
1207 print "E cvs update: conflicts found in $filename\n";
1208 print "M C $filename\n";
1210 # Don't want to actually _DO_ the update if -n specified
1211 unless ( $state->{globaloptions}{-n} )
1213 print "Merged $dirpart\n";
1214 print $state->{CVSROOT} . "/$state->{module}/$filename\n";
1215 my $kopts = kopts_from_path("$dirpart/$filepart",
1216 "file",$mergedFile);
1217 print "/$filepart/1.$meta->{revision}/+/$kopts/\n";
1222 $log->warn("Merge failed");
1226 # Don't want to actually _DO_ the update if -n specified
1227 unless ( $state->{globaloptions}{-n} )
1230 $log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
1231 print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
1233 # transmit file, format is single integer on a line by itself (file
1234 # size) followed by the file contents
1235 # TODO : we should copy files in blocks
1236 my $data = `cat $mergedFile`;
1237 $log->debug("File size : " . length($data));
1238 print length($data) . "\n";
1250 my ( $cmd, $data ) = @_;
1254 #$log->debug("State : " . Dumper($state));
1256 $log->info("req_ci : " . ( defined($data) ? $data : "[NULL]" ));
1258 if ( $state->{method} eq 'pserver')
1260 print "error 1 pserver access cannot commit\n";
1265 if ( -e $state->{CVSROOT} . "/index" )
1267 $log->warn("file 'index' already exists in the git repository");
1268 print "error 1 Index already exists in git repo\n";
1273 # Grab a handle to the SQLite db and do any necessary updates
1274 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1277 # Remember where the head was at the beginning.
1278 my $parenthash = `git show-ref -s refs/heads/$state->{module}`;
1280 if ($parenthash !~ /^[0-9a-f]{40}$/) {
1281 print "error 1 pserver cannot find the current HEAD of module";
1286 setupWorkTree($parenthash);
1288 $log->info("Lockless commit start, basing commit on '$work->{workDir}', index file is '$work->{index}'");
1290 $log->info("Created index '$work->{index}' for head $state->{module} - exit status $?");
1292 my @committedfiles = ();
1295 # foreach file specified on the command line ...
1296 foreach my $filename ( @{$state->{args}} )
1298 my $committedfile = $filename;
1299 $filename = filecleanup($filename);
1301 next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
1303 my $meta = $updater->getmeta($filename);
1304 $oldmeta{$filename} = $meta;
1306 my $wrev = revparse($filename);
1308 my ( $filepart, $dirpart ) = filenamesplit($filename);
1310 # do a checkout of the file if it is part of this tree
1312 system('git', 'checkout-index', '-f', '-u', $filename);
1314 die "Error running git-checkout-index -f -u $filename : $!";
1320 $rmflag = 1 if ( defined($wrev) and $wrev < 0 );
1321 $addflag = 1 unless ( -e $filename );
1323 # Do up to date checking
1324 unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
1326 # fail everything if an up to date check fails
1327 print "error 1 Up to date check failed for $filename\n";
1332 push @committedfiles, $committedfile;
1333 $log->info("Committing $filename");
1335 system("mkdir","-p",$dirpart) unless ( -d $dirpart );
1339 $log->debug("rename $state->{entries}{$filename}{modified_filename} $filename");
1340 rename $state->{entries}{$filename}{modified_filename},$filename;
1342 # Calculate modes to remove
1344 foreach ( qw (r w x) ) { $invmode .= $_ unless ( $state->{entries}{$filename}{modified_mode} =~ /$_/ ); }
1346 $log->debug("chmod u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode . " $filename");
1347 system("chmod","u+" . $state->{entries}{$filename}{modified_mode} . "-" . $invmode, $filename);
1352 $log->info("Removing file '$filename'");
1354 system("git", "update-index", "--remove", $filename);
1358 $log->info("Adding file '$filename'");
1359 system("git", "update-index", "--add", $filename);
1361 $log->info("Updating file '$filename'");
1362 system("git", "update-index", $filename);
1366 unless ( scalar(@committedfiles) > 0 )
1368 print "E No files to commit\n";
1374 my $treehash = `git write-tree`;
1377 $log->debug("Treehash : $treehash, Parenthash : $parenthash");
1379 # write our commit message out if we have one ...
1380 my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR );
1381 print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) );
1382 if ( defined ( $cfg->{gitcvs}{commitmsgannotation} ) ) {
1383 if ($cfg->{gitcvs}{commitmsgannotation} !~ /^\s*$/ ) {
1384 print $msg_fh "\n\n".$cfg->{gitcvs}{commitmsgannotation}."\n"
1387 print $msg_fh "\n\nvia git-CVS emulator\n";
1391 my $commithash = `git commit-tree $treehash -p $parenthash < $msg_filename`;
1393 $log->info("Commit hash : $commithash");
1395 unless ( $commithash =~ /[a-zA-Z0-9]{40}/ )
1397 $log->warn("Commit failed (Invalid commit hash)");
1398 print "error 1 Commit failed (unknown reason)\n";
1403 ### Emulate git-receive-pack by running hooks/update
1404 my @hook = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
1405 $parenthash, $commithash );
1407 unless( system( @hook ) == 0 )
1409 $log->warn("Commit failed (update hook declined to update ref)");
1410 print "error 1 Commit failed (update hook declined)\n";
1417 if (system(qw(git update-ref -m), "cvsserver ci",
1418 "refs/heads/$state->{module}", $commithash, $parenthash)) {
1419 $log->warn("update-ref for $state->{module} failed.");
1420 print "error 1 Cannot commit -- update first\n";
1425 ### Emulate git-receive-pack by running hooks/post-receive
1426 my $hook = $ENV{GIT_DIR}.'hooks/post-receive';
1428 open(my $pipe, "| $hook") || die "can't fork $!";
1430 local $SIG{PIPE} = sub { die 'pipe broke' };
1432 print $pipe "$parenthash $commithash refs/heads/$state->{module}\n";
1434 close $pipe || die "bad pipe: $! $?";
1439 ### Then hooks/post-update
1440 $hook = $ENV{GIT_DIR}.'hooks/post-update';
1442 system($hook, "refs/heads/$state->{module}");
1445 # foreach file specified on the command line ...
1446 foreach my $filename ( @committedfiles )
1448 $filename = filecleanup($filename);
1450 my $meta = $updater->getmeta($filename);
1451 unless (defined $meta->{revision}) {
1452 $meta->{revision} = 1;
1455 my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
1457 $log->debug("Checked-in $dirpart : $filename");
1459 print "M $state->{CVSROOT}/$state->{module}/$filename,v <-- $dirpart$filepart\n";
1460 if ( defined $meta->{filehash} && $meta->{filehash} eq "deleted" )
1462 print "M new revision: delete; previous revision: 1.$oldmeta{$filename}{revision}\n";
1463 print "Remove-entry $dirpart\n";
1464 print "$filename\n";
1466 if ($meta->{revision} == 1) {
1467 print "M initial revision: 1.1\n";
1469 print "M new revision: 1.$meta->{revision}; previous revision: 1.$oldmeta{$filename}{revision}\n";
1471 print "Checked-in $dirpart\n";
1472 print "$filename\n";
1473 my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
1474 print "/$filepart/1.$meta->{revision}//$kopts/\n";
1484 my ( $cmd, $data ) = @_;
1488 $log->info("req_status : " . ( defined($data) ? $data : "[NULL]" ));
1489 #$log->debug("status state : " . Dumper($state));
1491 # Grab a handle to the SQLite db and do any necessary updates
1492 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1495 # if no files were specified, we need to work out what files we should be providing status on ...
1496 argsfromdir($updater);
1498 # foreach file specified on the command line ...
1499 foreach my $filename ( @{$state->{args}} )
1501 $filename = filecleanup($filename);
1503 next if exists($state->{opt}{l}) && index($filename, '/', length($state->{prependdir})) >= 0;
1505 my $meta = $updater->getmeta($filename);
1506 my $oldmeta = $meta;
1508 my $wrev = revparse($filename);
1510 # If the working copy is an old revision, lets get that version too for comparison.
1511 if ( defined($wrev) and $wrev != $meta->{revision} )
1513 $oldmeta = $updater->getmeta($filename, $wrev);
1516 # TODO : All possible statuses aren't yet implemented
1518 # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1519 $status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
1521 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1522 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
1525 # Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
1526 $status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
1528 ( $state->{entries}{$filename}{unchanged}
1529 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
1532 # Need checkout if it exists in the repo but doesn't have a working copy
1533 $status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
1535 # Locally modified if working copy and repo copy have the same revision but there are local changes
1536 $status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
1538 # Needs Merge if working copy revision is less than repo copy and there are local changes
1539 $status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
1541 $status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
1542 $status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
1543 $status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
1544 $status ||= "File had conflicts on merge" if ( 0 );
1546 $status ||= "Unknown";
1548 my ($filepart) = filenamesplit($filename);
1550 print "M ===================================================================\n";
1551 print "M File: $filepart\tStatus: $status\n";
1552 if ( defined($state->{entries}{$filename}{revision}) )
1554 print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
1556 print "M Working revision:\tNo entry for $filename\n";
1558 if ( defined($meta->{revision}) )
1560 print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{CVSROOT}/$state->{module}/$filename,v\n";
1561 print "M Sticky Tag:\t\t(none)\n";
1562 print "M Sticky Date:\t\t(none)\n";
1563 print "M Sticky Options:\t\t(none)\n";
1565 print "M Repository revision:\tNo revision control file\n";
1575 my ( $cmd, $data ) = @_;
1579 $log->debug("req_diff : " . ( defined($data) ? $data : "[NULL]" ));
1580 #$log->debug("status state : " . Dumper($state));
1582 my ($revision1, $revision2);
1583 if ( defined ( $state->{opt}{r} ) and ref $state->{opt}{r} eq "ARRAY" )
1585 $revision1 = $state->{opt}{r}[0];
1586 $revision2 = $state->{opt}{r}[1];
1588 $revision1 = $state->{opt}{r};
1591 $revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
1592 $revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
1594 $log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
1596 # Grab a handle to the SQLite db and do any necessary updates
1597 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1600 # if no files were specified, we need to work out what files we should be providing status on ...
1601 argsfromdir($updater);
1603 # foreach file specified on the command line ...
1604 foreach my $filename ( @{$state->{args}} )
1606 $filename = filecleanup($filename);
1608 my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
1610 my $wrev = revparse($filename);
1612 # We need _something_ to diff against
1613 next unless ( defined ( $wrev ) );
1615 # if we have a -r switch, use it
1616 if ( defined ( $revision1 ) )
1618 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1619 $meta1 = $updater->getmeta($filename, $revision1);
1620 unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
1622 print "E File $filename at revision 1.$revision1 doesn't exist\n";
1625 transmitfile($meta1->{filehash}, { targetfile => $file1 });
1627 # otherwise we just use the working copy revision
1630 ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1631 $meta1 = $updater->getmeta($filename, $wrev);
1632 transmitfile($meta1->{filehash}, { targetfile => $file1 });
1635 # if we have a second -r switch, use it too
1636 if ( defined ( $revision2 ) )
1638 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1639 $meta2 = $updater->getmeta($filename, $revision2);
1641 unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
1643 print "E File $filename at revision 1.$revision2 doesn't exist\n";
1647 transmitfile($meta2->{filehash}, { targetfile => $file2 });
1649 # otherwise we just use the working copy
1652 $file2 = $state->{entries}{$filename}{modified_filename};
1655 # if we have been given -r, and we don't have a $file2 yet, lets get one
1656 if ( defined ( $revision1 ) and not defined ( $file2 ) )
1658 ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
1659 $meta2 = $updater->getmeta($filename, $wrev);
1660 transmitfile($meta2->{filehash}, { targetfile => $file2 });
1663 # We need to have retrieved something useful
1664 next unless ( defined ( $meta1 ) );
1666 # Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
1667 next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
1669 ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
1670 or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
1673 # Apparently we only show diffs for locally modified files
1674 next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
1676 print "M Index: $filename\n";
1677 print "M ===================================================================\n";
1678 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1679 print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
1680 print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
1682 foreach my $opt ( keys %{$state->{opt}} )
1684 if ( ref $state->{opt}{$opt} eq "ARRAY" )
1686 foreach my $value ( @{$state->{opt}{$opt}} )
1688 print "-$opt $value ";
1692 print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
1695 print "$filename\n";
1697 $log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
1699 ( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
1701 if ( exists $state->{opt}{u} )
1703 system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
1705 system("diff $file1 $file2 > $filediff");
1720 my ( $cmd, $data ) = @_;
1724 $log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
1725 #$log->debug("log state : " . Dumper($state));
1727 my ( $minrev, $maxrev );
1728 if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
1733 $minrev =~ s/^1\.// if ( defined ( $minrev ) );
1734 $maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
1735 $minrev++ if ( defined($minrev) and $control eq "::" );
1738 # Grab a handle to the SQLite db and do any necessary updates
1739 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1742 # if no files were specified, we need to work out what files we should be providing status on ...
1743 argsfromdir($updater);
1745 # foreach file specified on the command line ...
1746 foreach my $filename ( @{$state->{args}} )
1748 $filename = filecleanup($filename);
1750 my $headmeta = $updater->getmeta($filename);
1752 my $revisions = $updater->getlog($filename);
1753 my $totalrevisions = scalar(@$revisions);
1755 if ( defined ( $minrev ) )
1757 $log->debug("Removing revisions less than $minrev");
1758 while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
1763 if ( defined ( $maxrev ) )
1765 $log->debug("Removing revisions greater than $maxrev");
1766 while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
1772 next unless ( scalar(@$revisions) );
1775 print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
1776 print "M Working file: $filename\n";
1777 print "M head: 1.$headmeta->{revision}\n";
1778 print "M branch:\n";
1779 print "M locks: strict\n";
1780 print "M access list:\n";
1781 print "M symbolic names:\n";
1782 print "M keyword substitution: kv\n";
1783 print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
1784 print "M description:\n";
1786 foreach my $revision ( @$revisions )
1788 print "M ----------------------------\n";
1789 print "M revision 1.$revision->{revision}\n";
1790 # reformat the date for log output
1791 $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}) );
1792 $revision->{author} = cvs_author($revision->{author});
1793 print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
1794 my $commitmessage = $updater->commitmessage($revision->{commithash});
1795 $commitmessage =~ s/^/M /mg;
1796 print $commitmessage . "\n";
1798 print "M =============================================================================\n";
1806 my ( $cmd, $data ) = @_;
1808 argsplit("annotate");
1810 $log->info("req_annotate : " . ( defined($data) ? $data : "[NULL]" ));
1811 #$log->debug("status state : " . Dumper($state));
1813 # Grab a handle to the SQLite db and do any necessary updates
1814 my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
1817 # if no files were specified, we need to work out what files we should be providing annotate on ...
1818 argsfromdir($updater);
1820 # we'll need a temporary checkout dir
1823 $log->info("Temp checkoutdir creation successful, basing annotate session work on '$work->{workDir}', index file is '$ENV{GIT_INDEX_FILE}'");
1825 # foreach file specified on the command line ...
1826 foreach my $filename ( @{$state->{args}} )
1828 $filename = filecleanup($filename);
1830 my $meta = $updater->getmeta($filename);
1832 next unless ( $meta->{revision} );
1834 # get all the commits that this file was in
1835 # in dense format -- aka skip dead revisions
1836 my $revisions = $updater->gethistorydense($filename);
1837 my $lastseenin = $revisions->[0][2];
1839 # populate the temporary index based on the latest commit were we saw
1840 # the file -- but do it cheaply without checking out any files
1841 # TODO: if we got a revision from the client, use that instead
1842 # to look up the commithash in sqlite (still good to default to
1843 # the current head as we do now)
1844 system("git", "read-tree", $lastseenin);
1847 print "E error running git-read-tree $lastseenin $ENV{GIT_INDEX_FILE} $!\n";
1850 $log->info("Created index '$ENV{GIT_INDEX_FILE}' with commit $lastseenin - exit status $?");
1852 # do a checkout of the file
1853 system('git', 'checkout-index', '-f', '-u', $filename);
1855 print "E error running git-checkout-index -f -u $filename : $!\n";
1859 $log->info("Annotate $filename");
1861 # Prepare a file with the commits from the linearized
1862 # history that annotate should know about. This prevents
1863 # git-jsannotate telling us about commits we are hiding
1866 my $a_hints = "$work->{workDir}/.annotate_hints";
1867 if (!open(ANNOTATEHINTS, '>', $a_hints)) {
1868 print "E failed to open '$a_hints' for writing: $!\n";
1871 for (my $i=0; $i < @$revisions; $i++)
1873 print ANNOTATEHINTS $revisions->[$i][2];
1874 if ($i+1 < @$revisions) { # have we got a parent?
1875 print ANNOTATEHINTS ' ' . $revisions->[$i+1][2];
1877 print ANNOTATEHINTS "\n";
1880 print ANNOTATEHINTS "\n";
1882 or (print "E failed to write $a_hints: $!\n"), return;
1884 my @cmd = (qw(git annotate -l -S), $a_hints, $filename);
1885 if (!open(ANNOTATE, "-|", @cmd)) {
1886 print "E error invoking ". join(' ',@cmd) .": $!\n";
1890 print "E Annotations for $filename\n";
1891 print "E ***************\n";
1892 while ( <ANNOTATE> )
1894 if (m/^([a-zA-Z0-9]{40})\t\([^\)]*\)(.*)$/i)
1896 my $commithash = $1;
1898 unless ( defined ( $metadata->{$commithash} ) )
1900 $metadata->{$commithash} = $updater->getmeta($filename, $commithash);
1901 $metadata->{$commithash}{author} = cvs_author($metadata->{$commithash}{author});
1902 $metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
1904 printf("M 1.%-5d (%-8s %10s): %s\n",
1905 $metadata->{$commithash}{revision},
1906 $metadata->{$commithash}{author},
1907 $metadata->{$commithash}{modified},
1911 $log->warn("Error in annotate output! LINE: $_");
1912 print "E Annotate error \n";
1919 # done; get out of the tempdir
1926 # This method takes the state->{arguments} array and produces two new arrays.
1927 # The first is $state->{args} which is everything before the '--' argument, and
1928 # the second is $state->{files} which is everything after it.
1931 $state->{args} = [];
1932 $state->{files} = [];
1935 return unless( defined($state->{arguments}) and ref $state->{arguments} eq "ARRAY" );
1939 if ( defined($type) )
1942 $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" );
1943 $opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
1944 $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" );
1945 $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
1946 $opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
1947 $opt = { k => 1, m => 1 } if ( $type eq "add" );
1948 $opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
1949 $opt = { l => 0, b => 0, h => 0, R => 0, t => 0, N => 0, S => 0, r => 1, d => 1, s => 1, w => 1 } if ( $type eq "log" );
1952 while ( scalar ( @{$state->{arguments}} ) > 0 )
1954 my $arg = shift @{$state->{arguments}};
1956 next if ( $arg eq "--" );
1957 next unless ( $arg =~ /\S/ );
1959 # if the argument looks like a switch
1960 if ( $arg =~ /^-(\w)(.*)/ )
1962 # if it's a switch that takes an argument
1965 # If this switch has already been provided
1966 if ( $opt->{$1} > 1 and exists ( $state->{opt}{$1} ) )
1968 $state->{opt}{$1} = [ $state->{opt}{$1} ];
1969 if ( length($2) > 0 )
1971 push @{$state->{opt}{$1}},$2;
1973 push @{$state->{opt}{$1}}, shift @{$state->{arguments}};
1976 # if there's extra data in the arg, use that as the argument for the switch
1977 if ( length($2) > 0 )
1979 $state->{opt}{$1} = $2;
1981 $state->{opt}{$1} = shift @{$state->{arguments}};
1985 $state->{opt}{$1} = undef;
1990 push @{$state->{args}}, $arg;
1998 foreach my $value ( @{$state->{arguments}} )
2000 if ( $value eq "--" )
2005 push @{$state->{args}}, $value if ( $mode == 0 );
2006 push @{$state->{files}}, $value if ( $mode == 1 );
2011 # This method uses $state->{directory} to populate $state->{args} with a list of filenames
2014 my $updater = shift;
2016 $state->{args} = [] if ( scalar(@{$state->{args}}) == 1 and $state->{args}[0] eq "." );
2018 return if ( scalar ( @{$state->{args}} ) > 1 );
2020 my @gethead = @{$updater->gethead};
2023 foreach my $file (keys %{$state->{entries}}) {
2024 if ( exists $state->{entries}{$file}{revision} &&
2025 $state->{entries}{$file}{revision} == 0 )
2027 push @gethead, { name => $file, filehash => 'added' };
2031 if ( scalar(@{$state->{args}}) == 1 )
2033 my $arg = $state->{args}[0];
2034 $arg .= $state->{prependdir} if ( defined ( $state->{prependdir} ) );
2036 $log->info("Only one arg specified, checking for directory expansion on '$arg'");
2038 foreach my $file ( @gethead )
2040 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
2041 next unless ( $file->{name} =~ /^$arg\// or $file->{name} eq $arg );
2042 push @{$state->{args}}, $file->{name};
2045 shift @{$state->{args}} if ( scalar(@{$state->{args}}) > 1 );
2047 $log->info("Only one arg specified, populating file list automatically");
2049 $state->{args} = [];
2051 foreach my $file ( @gethead )
2053 next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
2054 next unless ( $file->{name} =~ s/^$state->{prependdir}// );
2055 push @{$state->{args}}, $file->{name};
2060 # This method cleans up the $state variable after a command that uses arguments has run
2063 $state->{files} = [];
2064 $state->{args} = [];
2065 $state->{arguments} = [];
2066 $state->{entries} = {};
2071 my $filename = shift;
2073 return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
2075 return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
2076 return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
2081 # This method takes a file hash and does a CVS "file transfer". Its
2082 # exact behaviour depends on a second, optional hash table argument:
2083 # - If $options->{targetfile}, dump the contents to that file;
2084 # - If $options->{print}, use M/MT to transmit the contents one line
2086 # - Otherwise, transmit the size of the file, followed by the file
2090 my $filehash = shift;
2091 my $options = shift;
2093 if ( defined ( $filehash ) and $filehash eq "deleted" )
2095 $log->warn("filehash is 'deleted'");
2099 die "Need filehash" unless ( defined ( $filehash ) and $filehash =~ /^[a-zA-Z0-9]{40}$/ );
2101 my $type = `git cat-file -t $filehash`;
2104 die ( "Invalid type '$type' (expected 'blob')" ) unless ( defined ( $type ) and $type eq "blob" );
2106 my $size = `git cat-file -s $filehash`;
2109 $log->debug("transmitfile($filehash) size=$size, type=$type");
2111 if ( open my $fh, '-|', "git", "cat-file", "blob", $filehash )
2113 if ( defined ( $options->{targetfile} ) )
2115 my $targetfile = $options->{targetfile};
2116 open NEWFILE, ">", $targetfile or die("Couldn't open '$targetfile' for writing : $!");
2117 print NEWFILE $_ while ( <$fh> );
2118 close NEWFILE or die("Failed to write '$targetfile': $!");
2119 } elsif ( defined ( $options->{print} ) && $options->{print} ) {
2124 print 'MT text ', $_, "\n";
2129 print while ( <$fh> );
2131 close $fh or die ("Couldn't close filehandle for transmitfile(): $!");
2133 die("Couldn't execute git-cat-file");
2137 # This method takes a file name, and returns ( $dirpart, $filepart ) which
2138 # refers to the directory portion and the file portion of the filename
2142 my $filename = shift;
2143 my $fixforlocaldir = shift;
2145 my ( $filepart, $dirpart ) = ( $filename, "." );
2146 ( $filepart, $dirpart ) = ( $2, $1 ) if ( $filename =~ /(.*)\/(.*)/ );
2149 if ( $fixforlocaldir )
2151 $dirpart =~ s/^$state->{prependdir}//;
2154 return ( $filepart, $dirpart );
2159 my $filename = shift;
2161 return undef unless(defined($filename));
2162 if ( $filename =~ /^\// )
2164 print "E absolute filenames '$filename' not supported by server\n";
2168 $filename =~ s/^\.\///g;
2169 $filename = $state->{prependdir} . $filename;
2175 if( !defined($state->{CVSROOT}) )
2177 print "error 1 CVSROOT not specified\n";
2181 if( $ENV{GIT_DIR} ne ($state->{CVSROOT} . '/') )
2183 print "error 1 Internally inconsistent CVSROOT\n";
2189 # Setup working directory in a work tree with the requested version
2190 # loaded in the index.
2197 if( ( defined($work->{state}) && $work->{state} != 1 ) ||
2198 defined($work->{tmpDir}) )
2200 $log->warn("Bad work tree state management");
2201 print "error 1 Internal setup multiple work trees without cleanup\n";
2206 $work->{workDir} = tempdir ( DIR => $TEMP_DIR );
2208 if( !defined($work->{index}) )
2210 (undef, $work->{index}) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
2213 chdir $work->{workDir} or
2214 die "Unable to chdir to $work->{workDir}\n";
2216 $log->info("Setting up GIT_WORK_TREE as '.' in '$work->{workDir}', index file is '$work->{index}'");
2218 $ENV{GIT_WORK_TREE} = ".";
2219 $ENV{GIT_INDEX_FILE} = $work->{index};
2224 system("git","read-tree",$ver);
2227 $log->warn("Error running git-read-tree");
2228 die "Error running git-read-tree $ver in $work->{workDir} $!\n";
2231 # else # req_annotate reads tree for each file
2234 # Ensure current directory is in some kind of working directory,
2235 # with a recent version loaded in the index.
2238 if( defined($work->{tmpDir}) )
2240 $log->warn("Bad work tree state management [ensureWorkTree()]");
2241 print "error 1 Internal setup multiple dirs without cleanup\n";
2245 if( $work->{state} )
2252 if( !defined($work->{emptyDir}) )
2254 $work->{emptyDir} = tempdir ( DIR => $TEMP_DIR, OPEN => 0);
2256 chdir $work->{emptyDir} or
2257 die "Unable to chdir to $work->{emptyDir}\n";
2259 my $ver = `git show-ref -s refs/heads/$state->{module}`;
2261 if ($ver !~ /^[0-9a-f]{40}$/)
2263 $log->warn("Error from git show-ref -s refs/head$state->{module}");
2264 print "error 1 cannot find the current HEAD of module";
2269 if( !defined($work->{index}) )
2271 (undef, $work->{index}) = tempfile ( DIR => $TEMP_DIR, OPEN => 0 );
2274 $ENV{GIT_WORK_TREE} = ".";
2275 $ENV{GIT_INDEX_FILE} = $work->{index};
2278 system("git","read-tree",$ver);
2281 die "Error running git-read-tree $ver $!\n";
2285 # Cleanup working directory that is not needed any longer.
2288 if( ! $work->{state} )
2293 chdir "/" or die "Unable to chdir '/'\n";
2295 if( defined($work->{workDir}) )
2297 rmtree( $work->{workDir} );
2298 undef $work->{workDir};
2300 undef $work->{state};
2303 # Setup a temporary directory (not a working tree), typically for
2304 # merging dirty state as in req_update.
2307 $work->{tmpDir} = tempdir ( DIR => $TEMP_DIR );
2308 chdir $work->{tmpDir} or die "Unable to chdir $work->{tmpDir}\n";
2310 return $work->{tmpDir};
2313 # Clean up a previously setupTmpDir. Restore previous work tree if
2317 if ( !defined($work->{tmpDir}) )
2319 $log->warn("cleanup tmpdir that has not been setup");
2320 die "Cleanup tmpDir that has not been setup\n";
2322 if( defined($work->{state}) )
2324 if( $work->{state} == 1 )
2326 chdir $work->{emptyDir} or
2327 die "Unable to chdir to $work->{emptyDir}\n";
2329 elsif( $work->{state} == 2 )
2331 chdir $work->{workDir} or
2332 die "Unable to chdir to $work->{emptyDir}\n";
2336 $log->warn("Inconsistent work dir state");
2337 die "Inconsistent work dir state\n";
2342 chdir "/" or die "Unable to chdir '/'\n";
2346 # Given a path, this function returns a string containing the kopts
2347 # that should go into that path's Entries line. For example, a binary
2348 # file should get -kb.
2351 my ($path, $srcType, $name) = @_;
2353 if ( defined ( $cfg->{gitcvs}{usecrlfattr} ) and
2354 $cfg->{gitcvs}{usecrlfattr} =~ /\s*(1|true|yes)\s*$/i )
2356 my ($val) = check_attr( "crlf", $path );
2357 if ( $val eq "set" )
2361 elsif ( $val eq "unset" )
2367 $log->info("Unrecognized check_attr crlf $path : $val");
2371 if ( defined ( $cfg->{gitcvs}{allbinary} ) )
2373 if( ($cfg->{gitcvs}{allbinary} =~ /^\s*(1|true|yes)\s*$/i) )
2377 elsif( ($cfg->{gitcvs}{allbinary} =~ /^\s*guess\s*$/i) )
2379 if( $srcType eq "sha1Or-k" &&
2382 my ($ret)=$state->{entries}{$path}{options};
2383 if( !defined($ret) )
2385 $ret=$state->{opt}{k};
2395 if( ! ($ret=~/^(|-kb|-kkv|-kkvl|-kk|-ko|-kv)$/) )
2397 print "E Bad -k option\n";
2398 $log->warn("Bad -k option: $ret");
2399 die "Error: Bad -k option: $ret\n";
2406 if( is_binary($srcType,$name) )
2408 $log->debug("... as binary");
2413 $log->debug("... as text");
2418 # Return "" to give no special treatment to any path
2424 my ($attr,$path) = @_;
2426 if ( open my $fh, '-|', "git", "check-attr", $attr, "--", $path )
2430 $val =~ s/.*: ([^:\r\n]*)\s*$/$1/;
2439 # This should have the same heuristics as convert.c:is_binary() and related.
2440 # Note that the bare CR test is done by callers in convert.c.
2443 my ($srcType,$name) = @_;
2444 $log->debug("is_binary($srcType,$name)");
2446 # Minimize amount of interpreted code run in the inner per-character
2447 # loop for large files, by totalling each character value and
2448 # then analyzing the totals.
2451 for($i=0;$i<256;$i++)
2456 my $fh = open_blob_or_die($srcType,$name);
2458 while( defined($line=<$fh>) )
2460 # Any '\0' and bare CR are considered binary.
2461 if( $line =~ /\0|(\r[^\n])/ )
2467 # Count up each character in the line:
2468 my $len=length($line);
2469 for($i=0;$i<$len;$i++)
2471 $counts[ord(substr($line,$i,1))]++;
2476 # Don't count CR and LF as either printable/nonprintable
2477 $counts[ord("\n")]=0;
2478 $counts[ord("\r")]=0;
2480 # Categorize individual character count into printable and nonprintable:
2483 for($i=0;$i<256;$i++)
2491 $nonprintable+=$counts[$i];
2493 elsif( $i==127 ) # DEL
2495 $nonprintable+=$counts[$i];
2499 $printable+=$counts[$i];
2503 return ($printable >> 7) < $nonprintable;
2506 # Returns open file handle. Possible invocations:
2507 # - open_blob_or_die("file",$filename);
2508 # - open_blob_or_die("sha1",$filehash);
2509 sub open_blob_or_die
2511 my ($srcType,$name) = @_;
2513 if( $srcType eq "file" )
2515 if( !open $fh,"<",$name )
2517 $log->warn("Unable to open file $name: $!");
2518 die "Unable to open file $name: $!\n";
2521 elsif( $srcType eq "sha1" || $srcType eq "sha1Or-k" )
2523 unless ( defined ( $name ) and $name =~ /^[a-zA-Z0-9]{40}$/ )
2525 $log->warn("Need filehash");
2526 die "Need filehash\n";
2529 my $type = `git cat-file -t $name`;
2532 unless ( defined ( $type ) and $type eq "blob" )
2534 $log->warn("Invalid type '$type' for '$name'");
2535 die ( "Invalid type '$type' (expected 'blob')" )
2538 my $size = `git cat-file -s $name`;
2541 $log->debug("open_blob_or_die($name) size=$size, type=$type");
2543 unless( open $fh, '-|', "git", "cat-file", "blob", $name )
2545 $log->warn("Unable to open sha1 $name");
2546 die "Unable to open sha1 $name\n";
2551 $log->warn("Unknown type of blob source: $srcType");
2552 die "Unknown type of blob source: $srcType\n";
2557 # Generate a CVS author name from Git author information, by taking the local
2558 # part of the email address and replacing characters not in the Portable
2559 # Filename Character Set (see IEEE Std 1003.1-2001, 3.276) by underscores. CVS
2560 # Login names are Unix login names, which should be restricted to this
2564 my $author_line = shift;
2565 (my $author) = $author_line =~ /<([^@>]*)/;
2567 $author =~ s/[^-a-zA-Z0-9_.]/_/g;
2573 package GITCVS::log;
2576 #### Copyright The Open University UK - 2006.
2578 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2579 #### Martin Langhoff <martin@catalyst.net.nz>
2592 This module provides very crude logging with a similar interface to
2601 Creates a new log object, optionally you can specify a filename here to
2602 indicate the file to log to. If no log file is specified, you can specify one
2603 later with method setfile, or indicate you no longer want logging with method
2606 Until one of these methods is called, all log calls will buffer messages ready
2613 my $filename = shift;
2617 bless $self, $class;
2619 if ( defined ( $filename ) )
2621 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
2629 This methods takes a filename, and attempts to open that file as the log file.
2630 If successful, all buffered data is written out to the file, and any further
2631 logging is written directly to the file.
2637 my $filename = shift;
2639 if ( defined ( $filename ) )
2641 open $self->{fh}, ">>", $filename or die("Couldn't open '$filename' for writing : $!");
2644 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
2646 while ( my $line = shift @{$self->{buffer}} )
2648 print {$self->{fh}} $line;
2654 This method indicates no logging is going to be used. It flushes any entries in
2655 the internal buffer, and sets a flag to ensure no further data is put there.
2664 return unless ( defined ( $self->{buffer} ) and ref $self->{buffer} eq "ARRAY" );
2666 $self->{buffer} = [];
2671 Internal method. Returns true if the log file is open, false otherwise.
2678 return 1 if ( defined ( $self->{fh} ) and ref $self->{fh} eq "GLOB" );
2682 =head2 debug info warn fatal
2684 These four methods are wrappers to _log. They provide the actual interface for
2688 sub debug { my $self = shift; $self->_log("debug", @_); }
2689 sub info { my $self = shift; $self->_log("info" , @_); }
2690 sub warn { my $self = shift; $self->_log("warn" , @_); }
2691 sub fatal { my $self = shift; $self->_log("fatal", @_); }
2695 This is an internal method called by the logging functions. It generates a
2696 timestamp and pushes the logged line either to file, or internal buffer.
2704 return if ( $self->{nolog} );
2706 my @time = localtime;
2707 my $timestring = sprintf("%4d-%02d-%02d %02d:%02d:%02d : %-5s",
2717 if ( $self->_logopen )
2719 print {$self->{fh}} $timestring . " - " . join(" ",@_) . "\n";
2721 push @{$self->{buffer}}, $timestring . " - " . join(" ",@_) . "\n";
2727 This method simply closes the file handle if one is open
2734 if ( $self->_logopen )
2740 package GITCVS::updater;
2743 #### Copyright The Open University UK - 2006.
2745 #### Authors: Martyn Smith <martyn@catalyst.net.nz>
2746 #### Martin Langhoff <martin@catalyst.net.nz>
2768 die "Need to specify a git repository" unless ( defined($config) and -d $config );
2769 die "Need to specify a module" unless ( defined($module) );
2771 $class = ref($class) || $class;
2775 bless $self, $class;
2777 $self->{valid_tables} = {'revision' => 1,
2778 'revision_ix1' => 1,
2779 'revision_ix2' => 1,
2785 $self->{module} = $module;
2786 $self->{git_path} = $config . "/";
2788 $self->{log} = $log;
2790 die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
2792 $self->{dbdriver} = $cfg->{gitcvs}{$state->{method}}{dbdriver} ||
2793 $cfg->{gitcvs}{dbdriver} || "SQLite";
2794 $self->{dbname} = $cfg->{gitcvs}{$state->{method}}{dbname} ||
2795 $cfg->{gitcvs}{dbname} || "%Ggitcvs.%m.sqlite";
2796 $self->{dbuser} = $cfg->{gitcvs}{$state->{method}}{dbuser} ||
2797 $cfg->{gitcvs}{dbuser} || "";
2798 $self->{dbpass} = $cfg->{gitcvs}{$state->{method}}{dbpass} ||
2799 $cfg->{gitcvs}{dbpass} || "";
2800 $self->{dbtablenameprefix} = $cfg->{gitcvs}{$state->{method}}{dbtablenameprefix} ||
2801 $cfg->{gitcvs}{dbtablenameprefix} || "";
2802 my %mapping = ( m => $module,
2803 a => $state->{method},
2804 u => getlogin || getpwuid($<) || $<,
2805 G => $self->{git_path},
2806 g => mangle_dirname($self->{git_path}),
2808 $self->{dbname} =~ s/%([mauGg])/$mapping{$1}/eg;
2809 $self->{dbuser} =~ s/%([mauGg])/$mapping{$1}/eg;
2810 $self->{dbtablenameprefix} =~ s/%([mauGg])/$mapping{$1}/eg;
2811 $self->{dbtablenameprefix} = mangle_tablename($self->{dbtablenameprefix});
2813 die "Invalid char ':' in dbdriver" if $self->{dbdriver} =~ /:/;
2814 die "Invalid char ';' in dbname" if $self->{dbname} =~ /;/;
2815 $self->{dbh} = DBI->connect("dbi:$self->{dbdriver}:dbname=$self->{dbname}",
2818 die "Error connecting to database\n" unless defined $self->{dbh};
2820 $self->{tables} = {};
2821 foreach my $table ( keys %{$self->{dbh}->table_info(undef,undef,undef,'TABLE')->fetchall_hashref('TABLE_NAME')} )
2823 $self->{tables}{$table} = 1;
2826 # Construct the revision table if required
2827 unless ( $self->{tables}{$self->tablename("revision")} )
2829 my $tablename = $self->tablename("revision");
2830 my $ix1name = $self->tablename("revision_ix1");
2831 my $ix2name = $self->tablename("revision_ix2");
2833 CREATE TABLE $tablename (
2835 revision INTEGER NOT NULL,
2836 filehash TEXT NOT NULL,
2837 commithash TEXT NOT NULL,
2838 author TEXT NOT NULL,
2839 modified TEXT NOT NULL,
2844 CREATE INDEX $ix1name
2845 ON $tablename (name,revision)
2848 CREATE INDEX $ix2name
2849 ON $tablename (name,commithash)
2853 # Construct the head table if required
2854 unless ( $self->{tables}{$self->tablename("head")} )
2856 my $tablename = $self->tablename("head");
2857 my $ix1name = $self->tablename("head_ix1");
2859 CREATE TABLE $tablename (
2861 revision INTEGER NOT NULL,
2862 filehash TEXT NOT NULL,
2863 commithash TEXT NOT NULL,
2864 author TEXT NOT NULL,
2865 modified TEXT NOT NULL,
2870 CREATE INDEX $ix1name
2871 ON $tablename (name)
2875 # Construct the properties table if required
2876 unless ( $self->{tables}{$self->tablename("properties")} )
2878 my $tablename = $self->tablename("properties");
2880 CREATE TABLE $tablename (
2881 key TEXT NOT NULL PRIMARY KEY,
2887 # Construct the commitmsgs table if required
2888 unless ( $self->{tables}{$self->tablename("commitmsgs")} )
2890 my $tablename = $self->tablename("commitmsgs");
2892 CREATE TABLE $tablename (
2893 key TEXT NOT NULL PRIMARY KEY,
2910 if (exists $self->{valid_tables}{$name}) {
2911 return $self->{dbtablenameprefix} . $name;
2924 # first lets get the commit list
2925 $ENV{GIT_DIR} = $self->{git_path};
2927 my $commitsha1 = `git rev-parse $self->{module}`;
2930 my $commitinfo = `git cat-file commit $self->{module} 2>&1`;
2931 unless ( $commitinfo =~ /tree\s+[a-zA-Z0-9]{40}/ )
2933 die("Invalid module '$self->{module}'");
2938 my $lastcommit = $self->_get_prop("last_commit");
2940 if (defined $lastcommit && $lastcommit eq $commitsha1) { # up-to-date
2944 # Start exclusive lock here...
2945 $self->{dbh}->begin_work() or die "Cannot lock database for BEGIN";
2947 # TODO: log processing is memory bound
2948 # if we can parse into a 2nd file that is in reverse order
2949 # we can probably do something really efficient
2950 my @git_log_params = ('--pretty', '--parents', '--topo-order');
2952 if (defined $lastcommit) {
2953 push @git_log_params, "$lastcommit..$self->{module}";
2955 push @git_log_params, $self->{module};
2957 # git-rev-list is the backend / plumbing version of git-log
2958 open(GITLOG, '-|', 'git', 'rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
2967 if (m/^commit\s+(.*)$/) {
2968 # on ^commit lines put the just seen commit in the stack
2969 # and prime things for the next one
2972 unshift @commits, \%copy;
2975 my @parents = split(m/\s+/, $1);
2976 $commit{hash} = shift @parents;
2977 $commit{parents} = \@parents;
2978 } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
2979 # on rfc822-like lines seen before we see any message,
2980 # lowercase the entry and put it in the hash as key-value
2981 $commit{lc($1)} = $2;
2983 # message lines - skip initial empty line
2984 # and trim whitespace
2985 if (!exists($commit{message}) && m/^\s*$/) {
2986 # define it to mark the end of headers
2987 $commit{message} = '';
2990 s/^\s+//; s/\s+$//; # trim ws
2991 $commit{message} .= $_ . "\n";
2996 unshift @commits, \%commit if ( keys %commit );
2998 # Now all the commits are in the @commits bucket
2999 # ordered by time DESC. for each commit that needs processing,
3000 # determine whether it's following the last head we've seen or if
3001 # it's on its own branch, grab a file list, and add whatever's changed
3002 # NOTE: $lastcommit refers to the last commit from previous run
3003 # $lastpicked is the last commit we picked in this run
3006 if (defined $lastcommit) {
3007 $lastpicked = $lastcommit;
3010 my $committotal = scalar(@commits);
3011 my $commitcount = 0;
3013 # Load the head table into $head (for cached lookups during the update process)
3014 foreach my $file ( @{$self->gethead()} )
3016 $head->{$file->{name}} = $file;
3019 foreach my $commit ( @commits )
3021 $self->{log}->debug("GITCVS::updater - Processing commit $commit->{hash} (" . (++$commitcount) . " of $committotal)");
3022 if (defined $lastpicked)
3024 if (!in_array($lastpicked, @{$commit->{parents}}))
3026 # skip, we'll see this delta
3027 # as part of a merge later
3028 # warn "skipping off-track $commit->{hash}\n";
3030 } elsif (@{$commit->{parents}} > 1) {
3031 # it is a merge commit, for each parent that is
3032 # not $lastpicked, see if we can get a log
3033 # from the merge-base to that parent to put it
3034 # in the message as a merge summary.
3035 my @parents = @{$commit->{parents}};
3036 foreach my $parent (@parents) {
3037 # git-merge-base can potentially (but rarely) throw
3038 # several candidate merge bases. let's assume
3039 # that the first one is the best one.
3040 if ($parent eq $lastpicked) {
3044 safe_pipe_capture('git', 'merge-base',
3045 $lastpicked, $parent);
3047 # The two branches may not be related at all,
3048 # in which case merge base simply fails to find
3049 # any, but that's Ok.
3055 # print "want to log between $base $parent \n";
3056 open(GITLOG, '-|', 'git', 'log', '--pretty=medium', "$base..$parent")
3057 or die "Cannot call git-log: $!";
3061 if (!defined $mergedhash) {
3062 if (m/^commit\s+(.+)$/) {
3068 # grab the first line that looks non-rfc822
3069 # aka has content after leading space
3070 if (m/^\s+(\S.*)$/) {
3072 $title = substr($title,0,100); # truncate
3073 unshift @merged, "$mergedhash $title";
3080 $commit->{mergemsg} = $commit->{message};
3081 $commit->{mergemsg} .= "\nSummary of merged commits:\n\n";
3082 foreach my $summary (@merged) {
3083 $commit->{mergemsg} .= "\t$summary\n";
3085 $commit->{mergemsg} .= "\n\n";
3086 # print "Message for $commit->{hash} \n$commit->{mergemsg}";
3093 # convert the date to CVS-happy format
3094 $commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
3096 if ( defined ( $lastpicked ) )
3098 my $filepipe = open(FILELIST, '-|', 'git', 'diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
3100 while ( <FILELIST> )
3103 unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)$/o )
3105 die("Couldn't process git-diff-tree line : $_");
3107 my ($mode, $hash, $change) = ($1, $2, $3);
3108 my $name = <FILELIST>;
3111 # $log->debug("File mode=$mode, hash=$hash, change=$change, name=$name");
3114 $git_perms .= "r" if ( $mode & 4 );
3115 $git_perms .= "w" if ( $mode & 2 );
3116 $git_perms .= "x" if ( $mode & 1 );
3117 $git_perms = "rw" if ( $git_perms eq "" );
3119 if ( $change eq "D" )
3121 #$log->debug("DELETE $name");
3124 revision => $head->{$name}{revision} + 1,
3125 filehash => "deleted",
3126 commithash => $commit->{hash},
3127 modified => $commit->{date},
3128 author => $commit->{author},
3131 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
3133 elsif ( $change eq "M" || $change eq "T" )
3135 #$log->debug("MODIFIED $name");
3138 revision => $head->{$name}{revision} + 1,
3140 commithash => $commit->{hash},
3141 modified => $commit->{date},
3142 author => $commit->{author},
3145 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
3147 elsif ( $change eq "A" )
3149 #$log->debug("ADDED $name");
3152 revision => $head->{$name}{revision} ? $head->{$name}{revision}+1 : 1,
3154 commithash => $commit->{hash},
3155 modified => $commit->{date},
3156 author => $commit->{author},
3159 $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
3163 $log->warn("UNKNOWN FILE CHANGE mode=$mode, hash=$hash, change=$change, name=$name");
3169 # this is used to detect files removed from the repo
3170 my $seen_files = {};
3172 my $filepipe = open(FILELIST, '-|', 'git', 'ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
3174 while ( <FILELIST> )
3177 unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
3179 die("Couldn't process git-ls-tree line : $_");
3182 my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
3184 $seen_files->{$git_filename} = 1;
3186 my ( $oldhash, $oldrevision, $oldmode ) = (
3187 $head->{$git_filename}{filehash},
3188 $head->{$git_filename}{revision},
3189 $head->{$git_filename}{mode}
3192 if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
3195 $git_perms .= "r" if ( $1 & 4 );
3196 $git_perms .= "w" if ( $1 & 2 );
3197 $git_perms .= "x" if ( $1 & 1 );
3202 # unless the file exists with the same hash, we need to update it ...
3203 unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
3205 my $newrevision = ( $oldrevision or 0 ) + 1;
3207 $head->{$git_filename} = {
3208 name => $git_filename,
3209 revision => $newrevision,
3210 filehash => $git_hash,
3211 commithash => $commit->{hash},
3212 modified => $commit->{date},
3213 author => $commit->{author},
3218 $self->insert_rev($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
3223 # Detect deleted files
3224 foreach my $file ( keys %$head )
3226 unless ( exists $seen_files->{$file} or $head->{$file}{filehash} eq "deleted" )
3228 $head->{$file}{revision}++;
3229 $head->{$file}{filehash} = "deleted";
3230 $head->{$file}{commithash} = $commit->{hash};
3231 $head->{$file}{modified} = $commit->{date};
3232 $head->{$file}{author} = $commit->{author};
3234 $self->insert_rev($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
3237 # END : "Detect deleted files"
3241 if (exists $commit->{mergemsg})
3243 $self->insert_mergelog($commit->{hash}, $commit->{mergemsg});
3246 $lastpicked = $commit->{hash};
3248 $self->_set_prop("last_commit", $commit->{hash});
3251 $self->delete_head();
3252 foreach my $file ( keys %$head )
3256 $head->{$file}{revision},
3257 $head->{$file}{filehash},
3258 $head->{$file}{commithash},
3259 $head->{$file}{modified},
3260 $head->{$file}{author},
3261 $head->{$file}{mode},
3264 # invalidate the gethead cache
3265 $self->{gethead_cache} = undef;
3268 # Ending exclusive lock here
3269 $self->{dbh}->commit() or die "Failed to commit changes to SQLite";
3276 my $revision = shift;
3277 my $filehash = shift;
3278 my $commithash = shift;
3279 my $modified = shift;
3282 my $tablename = $self->tablename("revision");
3284 my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO $tablename (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
3285 $insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
3293 my $tablename = $self->tablename("commitmsgs");
3295 my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO $tablename (key, value) VALUES (?,?)",{},1);
3296 $insert_mergelog->execute($key, $value);
3302 my $tablename = $self->tablename("head");
3304 my $delete_head = $self->{dbh}->prepare_cached("DELETE FROM $tablename",{},1);
3305 $delete_head->execute();
3312 my $revision = shift;
3313 my $filehash = shift;
3314 my $commithash = shift;
3315 my $modified = shift;
3318 my $tablename = $self->tablename("head");
3320 my $insert_head = $self->{dbh}->prepare_cached("INSERT INTO $tablename (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
3321 $insert_head->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
3327 my $filename = shift;
3328 my $tablename = $self->tablename("head");
3330 my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM $tablename WHERE name=?",{},1);
3331 $db_query->execute($filename);
3332 my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
3334 return ( $hash, $revision, $mode );
3341 my $tablename = $self->tablename("properties");
3343 my $db_query = $self->{dbh}->prepare_cached("SELECT value FROM $tablename WHERE key=?",{},1);
3344 $db_query->execute($key);
3345 my ( $value ) = $db_query->fetchrow_array;
3355 my $tablename = $self->tablename("properties");
3357 my $db_query = $self->{dbh}->prepare_cached("UPDATE $tablename SET value=? WHERE key=?",{},1);
3358 $db_query->execute($value, $key);
3360 unless ( $db_query->rows )
3362 $db_query = $self->{dbh}->prepare_cached("INSERT INTO $tablename (key, value) VALUES (?,?)",{},1);
3363 $db_query->execute($key, $value);
3376 my $tablename = $self->tablename("head");
3378 return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
3380 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, mode, revision, modified, commithash, author FROM $tablename ORDER BY name ASC",{},1);
3381 $db_query->execute();
3384 while ( my $file = $db_query->fetchrow_hashref )
3389 $self->{gethead_cache} = $tree;
3401 my $filename = shift;
3402 my $tablename = $self->tablename("revision");
3404 my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM $tablename WHERE name=? ORDER BY revision DESC",{},1);
3405 $db_query->execute($filename);
3408 while ( my $file = $db_query->fetchrow_hashref )
3418 This function takes a filename (with path) argument and returns a hashref of
3419 metadata for that file.
3426 my $filename = shift;
3427 my $revision = shift;
3428 my $tablename_rev = $self->tablename("revision");
3429 my $tablename_head = $self->tablename("head");
3432 if ( defined($revision) and $revision =~ /^\d+$/ )
3434 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_rev WHERE name=? AND revision=?",{},1);
3435 $db_query->execute($filename, $revision);
3437 elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
3439 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_rev WHERE name=? AND commithash=?",{},1);
3440 $db_query->execute($filename, $revision);
3442 $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_head WHERE name=?",{},1);
3443 $db_query->execute($filename);
3446 return $db_query->fetchrow_hashref;
3449 =head2 commitmessage
3451 this function takes a commithash and returns the commit message for that commit
3457 my $commithash = shift;
3458 my $tablename = $self->tablename("commitmsgs");
3460 die("Need commithash") unless ( defined($commithash) and $commithash =~ /^[a-zA-Z0-9]{40}$/ );
3463 $db_query = $self->{dbh}->prepare_cached("SELECT value FROM $tablename WHERE key=?",{},1);
3464 $db_query->execute($commithash);
3466 my ( $message ) = $db_query->fetchrow_array;
3468 if ( defined ( $message ) )
3470 $message .= " " if ( $message =~ /\n$/ );
3474 my @lines = safe_pipe_capture("git", "cat-file", "commit", $commithash);
3475 shift @lines while ( $lines[0] =~ /\S/ );
3476 $message = join("",@lines);
3477 $message .= " " if ( $message =~ /\n$/ );
3483 This function takes a filename (with path) argument and returns an arrayofarrays
3484 containing revision,filehash,commithash ordered by revision descending
3490 my $filename = shift;
3491 my $tablename = $self->tablename("revision");
3494 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? ORDER BY revision DESC",{},1);
3495 $db_query->execute($filename);
3497 return $db_query->fetchall_arrayref;
3500 =head2 gethistorydense
3502 This function takes a filename (with path) argument and returns an arrayofarrays
3503 containing revision,filehash,commithash ordered by revision descending.
3505 This version of gethistory skips deleted entries -- so it is useful for annotate.
3506 The 'dense' part is a reference to a '--dense' option available for git-rev-list
3507 and other git tools that depend on it.
3513 my $filename = shift;
3514 my $tablename = $self->tablename("revision");
3517 $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
3518 $db_query->execute($filename);
3520 return $db_query->fetchall_arrayref;
3525 from Array::PAT - mimics the in_array() function
3526 found in PHP. Yuck but works for small arrays.
3531 my ($check, @array) = @_;
3533 foreach my $test (@array){
3534 if($check eq $test){
3541 =head2 safe_pipe_capture
3543 an alternative to `command` that allows input to be passed as an array
3544 to work around shell problems with weird characters in arguments
3547 sub safe_pipe_capture {
3551 if (my $pid = open my $child, '-|') {
3552 @output = (<$child>);
3553 close $child or die join(' ',@_).": $! $?";
3555 exec(@_) or die "$! $?"; # exec() can fail the executable can't be found
3557 return wantarray ? @output : join('',@output);
3560 =head2 mangle_dirname
3562 create a string from a directory name that is suitable to use as
3563 part of a filename, mainly by converting all chars except \w.- to _
3566 sub mangle_dirname {
3567 my $dirname = shift;
3568 return unless defined $dirname;
3570 $dirname =~ s/[^\w.-]/_/g;
3575 =head2 mangle_tablename
3577 create a string from a that is suitable to use as part of an SQL table
3578 name, mainly by converting all chars except \w to _
3581 sub mangle_tablename {
3582 my $tablename = shift;
3583 return unless defined $tablename;
3585 $tablename =~ s/[^\w_]/_/g;