#### Definition and mappings of functions ####
+# NOTE: Despite the existence of req_CATCHALL and req_EMPTY unimplemented
+# requests, this list is incomplete. It is missing many rarer/optional
+# requests. Perhaps some clients require a claim of support for
+# these specific requests for main functionality to work?
my $methods = {
'Root' => \&req_Root,
'Valid-responses' => \&req_Validresponses,
'valid-requests' => \&req_validrequests,
'Directory' => \&req_Directory,
+ 'Sticky' => \&req_Sticky,
'Entry' => \&req_Entry,
'Modified' => \&req_Modified,
'Unchanged' => \&req_Unchanged,
'noop' => \&req_EMPTY,
'annotate' => \&req_annotate,
'Global_option' => \&req_Globaloption,
- #'annotate' => \&req_CATCHALL,
};
##############################################
" --strict-paths : Don't allow recursing into subdirectories\n".
" --export-all : Don't check for gitcvs.enabled in config\n".
" --version, -V : Print version information and exit\n".
- " --help, -h, -H : Print usage information and exit\n".
+ " -h, -H : Print usage information and exit\n".
"\n".
"<directory> ... is a list of allowed directories. If no directories\n".
"are given, all are allowed. This is an additional restriction, gitcvs\n".
"access still needs to be enabled by the gitcvs.enabled config option.\n".
"Alternately, one directory may be specified in GIT_CVSSERVER_ROOT.\n";
-my @opts = ( 'help|h|H', 'version|V',
+my @opts = ( 'h|H', 'version|V',
'base-path=s', 'strict-paths', 'export-all' );
GetOptions( $state, @opts )
or die $usage;
{
$log->info("Setting prepend to '$state->{path}'");
$state->{prependdir} = $state->{path};
+ my %entries;
foreach my $entry ( keys %{$state->{entries}} )
{
- $state->{entries}{$state->{prependdir} . $entry} = $state->{entries}{$entry};
- delete $state->{entries}{$entry};
+ $entries{$state->{prependdir} . $entry} = $state->{entries}{$entry};
}
+ $state->{entries}=\%entries;
+
+ my %dirMap;
+ foreach my $dir ( keys %{$state->{dirMap}} )
+ {
+ $dirMap{$state->{prependdir} . $dir} = $state->{dirMap}{$dir};
+ }
+ $state->{dirMap}=\%dirMap;
}
if ( defined ( $state->{prependdir} ) )
$log->debug("Prepending '$state->{prependdir}' to state|directory");
$state->{directory} = $state->{prependdir} . $state->{directory}
}
+
+ if ( ! defined($state->{dirMap}{$state->{directory}}) )
+ {
+ $state->{dirMap}{$state->{directory}} =
+ {
+ 'names' => {}
+ #'tagspec' => undef
+ };
+ }
+
$log->debug("req_Directory : localdir=$data repository=$repository path=$state->{path} directory=$state->{directory} module=$state->{module}");
}
+# Sticky tagspec \n
+# Response expected: no. Tell the server that the directory most
+# recently specified with Directory has a sticky tag or date
+# tagspec. The first character of tagspec is T for a tag, D for
+# a date, or some other character supplied by a Set-sticky
+# response from a previous request to the server. The remainder
+# of tagspec contains the actual tag or date, again as supplied
+# by Set-sticky.
+# The server should remember Static-directory and Sticky requests
+# for a particular directory; the client need not resend them each
+# time it sends a Directory request for a given directory. However,
+# the server is not obliged to remember them beyond the context
+# of a single command.
+sub req_Sticky
+{
+ my ( $cmd, $tagspec ) = @_;
+
+ my ( $stickyInfo );
+ if($tagspec eq "")
+ {
+ # nothing
+ }
+ elsif($tagspec=~/^T([^ ]+)\s*$/)
+ {
+ $stickyInfo = { 'tag' => $1 };
+ }
+ elsif($tagspec=~/^D([0-9.]+)\s*$/)
+ {
+ $stickyInfo= { 'date' => $1 };
+ }
+ else
+ {
+ die "Unknown tag_or_date format\n";
+ }
+ $state->{dirMap}{$state->{directory}}{stickyInfo}=$stickyInfo;
+
+ $log->debug("req_Sticky : tagspec=$tagspec repository=$state->{repository}"
+ . " path=$state->{path} directory=$state->{directory}"
+ . " module=$state->{module}");
+}
+
# Entry entry-line \n
# Response expected: no. Tell the server what version of a file is on the
# local machine. The name in entry-line is a name relative to the directory
#$log->debug("req_Entry : $data");
- my @data = split(/\//, $data);
+ my @data = split(/\//, $data, -1);
$state->{entries}{$state->{directory}.$data[1]} = {
revision => $data[2],
tag_or_date => $data[5],
};
+ $state->{dirMap}{$state->{directory}}{names}{$data[1]} = 'F';
+
$log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'");
}
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
$updater->update();
- argsfromdir($updater);
-
my $addcount = 0;
foreach my $filename ( @{$state->{args}} )
{
$filename = filecleanup($filename);
- my $meta = $updater->getmeta($filename);
+ # no -r, -A, or -D with add
+ my $stickyInfo = resolveStickyInfo($filename);
+
+ my $meta = $updater->getmeta($filename,$stickyInfo);
my $wrev = revparse($filename);
- if ($wrev && $meta && ($wrev < 0))
+ if ($wrev && $meta && ($wrev=~/^-/))
{
# previously removed file, add back
- $log->info("added file $filename was previously removed, send 1.$meta->{revision}");
+ $log->info("added file $filename was previously removed, send $meta->{revision}");
print "MT +updated\n";
print "MT text U \n";
# this is an "entries" line
my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
- $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
- print "/$filepart/1.$meta->{revision}//$kopts/\n";
+ my $entryLine = "/$filepart/$meta->{revision}//$kopts/";
+ $entryLine .= getStickyTagOrDate($stickyInfo);
+ $log->debug($entryLine);
+ print "$entryLine\n";
# permissions
$log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
print "u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}\n";
print "$filename\n";
my $kopts = kopts_from_path($filename,"file",
$state->{entries}{$filename}{modified_filename});
- print "/$filepart/0//$kopts/\n";
+ print "/$filepart/0//$kopts/" .
+ getStickyTagOrDate($stickyInfo) . "\n";
my $requestedKopts = $state->{opt}{k};
if(defined($requestedKopts))
next;
}
- my $meta = $updater->getmeta($filename);
+ # only from entries
+ my $stickyInfo = resolveStickyInfo($filename);
+
+ my $meta = $updater->getmeta($filename,$stickyInfo);
my $wrev = revparse($filename);
unless ( defined ( $wrev ) )
next;
}
- if ( defined($wrev) and $wrev < 0 )
+ if ( defined($wrev) and ($wrev=~/^-/) )
{
print "E cvs remove: file `$filename' already scheduled for removal\n";
next;
}
- unless ( $wrev == $meta->{revision} )
+ unless ( $wrev eq $meta->{revision} )
{
# TODO : not sure if the format of this message is quite correct.
print "E cvs remove: Up to date check failed for `$filename'\n";
print "Checked-in $dirpart\n";
print "$filename\n";
my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
- print "/$filepart/-1.$wrev//$kopts/\n";
+ print "/$filepart/-$wrev//$kopts/" . getStickyTagOrDate($stickyInfo) . "\n";
$rmcount++;
}
return 1;
}
+ my $stickyInfo = { 'tag' => $state->{opt}{r},
+ 'date' => $state->{opt}{D} };
+
my $module = $state->{args}[0];
$state->{module} = $module;
my $checkout_path = $module;
my $updater = GITCVS::updater->new($state->{CVSROOT}, $module, $log);
$updater->update();
- $checkout_path =~ s|/$||; # get rid of trailing slashes
+ my $headHash;
+ if( defined($stickyInfo) && defined($stickyInfo->{tag}) )
+ {
+ $headHash = $updater->lookupCommitRef($stickyInfo->{tag});
+ if( !defined($headHash) )
+ {
+ print "error 1 no such tag `$stickyInfo->{tag}'\n";
+ cleanupWorkTree();
+ exit;
+ }
+ }
- # Eclipse seems to need the Clear-sticky command
- # to prepare the 'Entries' file for the new directory.
- print "Clear-sticky $checkout_path/\n";
- print $state->{CVSROOT} . "/$module/\n";
- print "Clear-static-directory $checkout_path/\n";
- print $state->{CVSROOT} . "/$module/\n";
- print "Clear-sticky $checkout_path/\n"; # yes, twice
- print $state->{CVSROOT} . "/$module/\n";
- print "Template $checkout_path/\n";
- print $state->{CVSROOT} . "/$module/\n";
- print "0\n";
-
- # instruct the client that we're checking out to $checkout_path
- print "E cvs checkout: Updating $checkout_path\n";
+ $checkout_path =~ s|/$||; # get rid of trailing slashes
my %seendirs = ();
my $lastdir ='';
- # recursive
- sub prepdir {
- my ($dir, $repodir, $remotedir, $seendirs) = @_;
- my $parent = dirname($dir);
- $dir =~ s|/+$||;
- $repodir =~ s|/+$||;
- $remotedir =~ s|/+$||;
- $parent =~ s|/+$||;
- $log->debug("announcedir $dir, $repodir, $remotedir" );
-
- if ($parent eq '.' || $parent eq './') {
- $parent = '';
- }
- # recurse to announce unseen parents first
- if (length($parent) && !exists($seendirs->{$parent})) {
- prepdir($parent, $repodir, $remotedir, $seendirs);
- }
- # Announce that we are going to modify at the parent level
- if ($parent) {
- print "E cvs checkout: Updating $remotedir/$parent\n";
- } else {
- print "E cvs checkout: Updating $remotedir\n";
- }
- print "Clear-sticky $remotedir/$parent/\n";
- print "$repodir/$parent/\n";
-
- print "Clear-static-directory $remotedir/$dir/\n";
- print "$repodir/$dir/\n";
- print "Clear-sticky $remotedir/$parent/\n"; # yes, twice
- print "$repodir/$parent/\n";
- print "Template $remotedir/$dir/\n";
- print "$repodir/$dir/\n";
- print "0\n";
-
- $seendirs->{$dir} = 1;
- }
-
- foreach my $git ( @{$updater->gethead} )
+ prepDirForOutput(
+ ".",
+ $state->{CVSROOT} . "/$module",
+ $checkout_path,
+ \%seendirs,
+ 'checkout',
+ $state->{dirArgs} );
+
+ foreach my $git ( @{$updater->getAnyHead($headHash)} )
{
# Don't want to check out deleted files
next if ( $git->{filehash} eq "deleted" );
my $fullName = $git->{name};
( $git->{name}, $git->{dir} ) = filenamesplit($git->{name});
- if (length($git->{dir}) && $git->{dir} ne './'
- && $git->{dir} ne $lastdir ) {
- unless (exists($seendirs{$git->{dir}})) {
- prepdir($git->{dir}, $state->{CVSROOT} . "/$module/",
- $checkout_path, \%seendirs);
- $lastdir = $git->{dir};
- $seendirs{$git->{dir}} = 1;
- }
- print "E cvs checkout: Updating /$checkout_path/$git->{dir}\n";
- }
+ unless (exists($seendirs{$git->{dir}})) {
+ prepDirForOutput($git->{dir}, $state->{CVSROOT} . "/$module/",
+ $checkout_path, \%seendirs, 'checkout',
+ $state->{dirArgs} );
+ $lastdir = $git->{dir};
+ $seendirs{$git->{dir}} = 1;
+ }
# modification time of this file
print "Mod-time $git->{modified}\n";
# this is an "entries" line
my $kopts = kopts_from_path($fullName,"sha1",$git->{filehash});
- print "/$git->{name}/1.$git->{revision}//$kopts/\n";
+ print "/$git->{name}/$git->{revision}//$kopts/" .
+ getStickyTagOrDate($stickyInfo) . "\n";
# permissions
print "u=$git->{mode},g=$git->{mode},o=$git->{mode}\n";
statecleanup();
}
+# used by req_co and req_update to set up directories for files
+# recursively handles parents
+sub prepDirForOutput
+{
+ my ($dir, $repodir, $remotedir, $seendirs, $request, $dirArgs) = @_;
+
+ my $parent = dirname($dir);
+ $dir =~ s|/+$||;
+ $repodir =~ s|/+$||;
+ $remotedir =~ s|/+$||;
+ $parent =~ s|/+$||;
+
+ if ($parent eq '.' || $parent eq './')
+ {
+ $parent = '';
+ }
+ # recurse to announce unseen parents first
+ if( length($parent) &&
+ !exists($seendirs->{$parent}) &&
+ ( $request eq "checkout" ||
+ exists($dirArgs->{$parent}) ) )
+ {
+ prepDirForOutput($parent, $repodir, $remotedir,
+ $seendirs, $request, $dirArgs);
+ }
+ # Announce that we are going to modify at the parent level
+ if ($dir eq '.' || $dir eq './')
+ {
+ $dir = '';
+ }
+ if(exists($seendirs->{$dir}))
+ {
+ return;
+ }
+ $log->debug("announcedir $dir, $repodir, $remotedir" );
+ my($thisRemoteDir,$thisRepoDir);
+ if ($dir ne "")
+ {
+ $thisRepoDir="$repodir/$dir";
+ if($remotedir eq ".")
+ {
+ $thisRemoteDir=$dir;
+ }
+ else
+ {
+ $thisRemoteDir="$remotedir/$dir";
+ }
+ }
+ else
+ {
+ $thisRepoDir=$repodir;
+ $thisRemoteDir=$remotedir;
+ }
+ unless ( $state->{globaloptions}{-Q} || $state->{globaloptions}{-q} )
+ {
+ print "E cvs $request: Updating $thisRemoteDir\n";
+ }
+
+ my ($opt_r)=$state->{opt}{r};
+ my $stickyInfo;
+ if(exists($state->{opt}{A}))
+ {
+ # $stickyInfo=undef;
+ }
+ elsif( defined($opt_r) && $opt_r ne "" )
+ # || ( defined($state->{opt}{D}) && $state->{opt}{D} ne "" ) # TODO
+ {
+ $stickyInfo={ 'tag' => (defined($opt_r)?$opt_r:undef) };
+
+ # TODO: Convert -D value into the form 2011.04.10.04.46.57,
+ # similar to an entry line's sticky date, without the D prefix.
+ # It sometimes (always?) arrives as something more like
+ # '10 Apr 2011 04:46:57 -0000'...
+ # $stickyInfo={ 'date' => (defined($stickyDate)?$stickyDate:undef) };
+ }
+ else
+ {
+ $stickyInfo=getDirStickyInfo($state->{prependdir} . $dir);
+ }
+
+ my $stickyResponse;
+ if(defined($stickyInfo))
+ {
+ $stickyResponse = "Set-sticky $thisRemoteDir/\n" .
+ "$thisRepoDir/\n" .
+ getStickyTagOrDate($stickyInfo) . "\n";
+ }
+ else
+ {
+ $stickyResponse = "Clear-sticky $thisRemoteDir/\n" .
+ "$thisRepoDir/\n";
+ }
+
+ unless ( $state->{globaloptions}{-n} )
+ {
+ print $stickyResponse;
+
+ print "Clear-static-directory $thisRemoteDir/\n";
+ print "$thisRepoDir/\n";
+ print $stickyResponse; # yes, twice
+ print "Template $thisRemoteDir/\n";
+ print "$thisRepoDir/\n";
+ print "0\n";
+ }
+
+ $seendirs->{$dir} = 1;
+
+ # FUTURE: This would more accurately emulate CVS by sending
+ # another copy of sticky after processing the files in that
+ # directory. Or intermediate: perhaps send all sticky's for
+ # $seendirs after after processing all files.
+}
+
# update \n
# Response expected: yes. Actually do a cvs update command. This uses any
# previous Argument, Directory, Entry, or Modified requests, if they have
#$log->debug("update state : " . Dumper($state));
- my $last_dirname = "///";
+ my($repoDir);
+ $repoDir=$state->{CVSROOT} . "/$state->{module}/$state->{prependdir}";
+
+ my %seendirs = ();
# foreach file specified on the command line ...
- foreach my $filename ( @{$state->{args}} )
+ foreach my $argsFilename ( @{$state->{args}} )
{
- $filename = filecleanup($filename);
+ my $filename;
+ $filename = filecleanup($argsFilename);
$log->debug("Processing file $filename");
- unless ( $state->{globaloptions}{-Q} || $state->{globaloptions}{-q} )
- {
- my $cur_dirname = dirname($filename);
- if ( $cur_dirname ne $last_dirname )
- {
- $last_dirname = $cur_dirname;
- if ( $cur_dirname eq "" )
- {
- $cur_dirname = ".";
- }
- print "E cvs update: Updating $cur_dirname\n";
- }
- }
-
# if we have a -C we should pretend we never saw modified stuff
if ( exists ( $state->{opt}{C} ) )
{
$state->{entries}{$filename}{unchanged} = 1;
}
- my $meta;
- if ( defined($state->{opt}{r}) and $state->{opt}{r} =~ /^1\.(\d+)/ )
- {
- $meta = $updater->getmeta($filename, $1);
- } else {
- $meta = $updater->getmeta($filename);
- }
+ my $stickyInfo = resolveStickyInfo($filename,
+ $state->{opt}{r},
+ $state->{opt}{D},
+ exists($state->{opt}{A}));
+ my $meta = $updater->getmeta($filename, $stickyInfo);
# If -p was given, "print" the contents of the requested revision.
if ( exists ( $state->{opt}{p} ) ) {
next;
}
+ # Directories:
+ prepDirForOutput(
+ dirname($argsFilename),
+ $repoDir,
+ ".",
+ \%seendirs,
+ "update",
+ $state->{dirArgs} );
+
+ my $wrev = revparse($filename);
+
if ( ! defined $meta )
{
$meta = {
name => $filename,
- revision => 0,
+ revision => '0',
filehash => 'added'
};
+ if($wrev ne "0")
+ {
+ $meta->{filehash}='deleted';
+ }
}
my $oldmeta = $meta;
- my $wrev = revparse($filename);
-
# If the working copy is an old revision, lets get that version too for comparison.
- if ( defined($wrev) and $wrev != $meta->{revision} )
+ my $oldWrev=$wrev;
+ if(defined($oldWrev))
{
- $oldmeta = $updater->getmeta($filename, $wrev);
+ $oldWrev=~s/^-//;
+ if($oldWrev ne $meta->{revision})
+ {
+ $oldmeta = $updater->getmeta($filename, $oldWrev);
+ }
}
#$log->debug("Target revision is $meta->{revision}, current working revision is $wrev");
# and the working copy is unmodified _and_ the user hasn't specified -C
next if ( defined ( $wrev )
and defined($meta->{revision})
- and $wrev == $meta->{revision}
+ and $wrev eq $meta->{revision}
and $state->{entries}{$filename}{unchanged}
and not exists ( $state->{opt}{C} ) );
# but the working copy is modified, tell the client it's modified
if ( defined ( $wrev )
and defined($meta->{revision})
- and $wrev == $meta->{revision}
+ and $wrev eq $meta->{revision}
+ and $wrev ne "0"
and defined($state->{entries}{$filename}{modified_hash})
and not exists ( $state->{opt}{C} ) )
{
next;
}
- if ( $meta->{filehash} eq "deleted" )
+ if ( $meta->{filehash} eq "deleted" && $wrev ne "0" )
{
+ # TODO: If it has been modified in the sandbox, error out
+ # with the appropriate message, rather than deleting a modified
+ # file.
+
my ( $filepart, $dirpart ) = filenamesplit($filename,1);
$log->info("Removing '$filename' from working copy (no longer in the repo)");
{
# normal update, just send the new revision (either U=Update,
# or A=Add, or R=Remove)
- if ( defined($wrev) && $wrev < 0 )
+ if ( defined($wrev) && ($wrev=~/^-/) )
{
$log->info("Tell the client the file is scheduled for removal");
print "MT text R \n";
print "MT newline\n";
next;
}
- elsif ( (!defined($wrev) || $wrev == 0) && (!defined($meta->{revision}) || $meta->{revision} == 0) )
+ elsif ( (!defined($wrev) || $wrev eq '0') &&
+ (!defined($meta->{revision}) || $meta->{revision} eq '0') )
{
$log->info("Tell the client the file is scheduled for addition");
print "MT text A \n";
}
else {
- $log->info("Updating '$filename' to ".$meta->{revision});
+ $log->info("UpdatingX3 '$filename' to ".$meta->{revision});
print "MT +updated\n";
print "MT text U \n";
print "MT fname $filename\n";
$log->debug("Updating existing file 'Update-existing $dirpart'");
} else {
# instruct client we're sending a file to put in this path as a new file
- print "Clear-static-directory $dirpart\n";
- print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
- print "Clear-sticky $dirpart\n";
- print $state->{CVSROOT} . "/$state->{module}/$dirpart\n";
$log->debug("Creating new file 'Created $dirpart'");
print "Created $dirpart\n";
# this is an "entries" line
my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
- $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
- print "/$filepart/1.$meta->{revision}//$kopts/\n";
+ my $entriesLine = "/$filepart/$meta->{revision}//$kopts/";
+ $entriesLine .= getStickyTagOrDate($stickyInfo);
+ $log->debug($entriesLine);
+ print "$entriesLine\n";
# permissions
$log->debug("SEND : u=$meta->{mode},g=$meta->{mode},o=$meta->{mode}");
transmitfile($meta->{filehash});
}
} else {
- $log->info("Updating '$filename'");
my ( $filepart, $dirpart ) = filenamesplit($meta->{name},1);
my $mergeDir = setupTmpDir();
# we need to merge with the local changes ( M=successful merge, C=conflict merge )
$log->info("Merging $file_local, $file_old, $file_new");
- print "M Merging differences between 1.$oldmeta->{revision} and 1.$meta->{revision} into $filename\n";
+ print "M Merging differences between $oldmeta->{revision} and $meta->{revision} into $filename\n";
$log->debug("Temporary directory for merge is $mergeDir");
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
my $kopts = kopts_from_path("$dirpart/$filepart",
"file",$mergedFile);
- $log->debug("/$filepart/1.$meta->{revision}//$kopts/");
- print "/$filepart/1.$meta->{revision}//$kopts/\n";
+ $log->debug("/$filepart/$meta->{revision}//$kopts/");
+ my $entriesLine="/$filepart/$meta->{revision}//$kopts/";
+ $entriesLine .= getStickyTagOrDate($stickyInfo);
+ print "$entriesLine\n";
}
}
elsif ( $return == 1 )
print $state->{CVSROOT} . "/$state->{module}/$filename\n";
my $kopts = kopts_from_path("$dirpart/$filepart",
"file",$mergedFile);
- print "/$filepart/1.$meta->{revision}/+/$kopts/\n";
+ my $entriesLine = "/$filepart/$meta->{revision}/+/$kopts/";
+ $entriesLine .= getStickyTagOrDate($stickyInfo);
+ print "$entriesLine\n";
}
}
else
}
+ # prepDirForOutput() any other existing directories unless they already
+ # have the right sticky tag:
+ unless ( $state->{globaloptions}{n} )
+ {
+ my $dir;
+ foreach $dir (keys(%{$state->{dirMap}}))
+ {
+ if( ! $seendirs{$dir} &&
+ exists($state->{dirArgs}{$dir}) )
+ {
+ my($oldTag);
+ $oldTag=$state->{dirMap}{$dir}{tagspec};
+
+ unless( ( exists($state->{opt}{A}) &&
+ defined($oldTag) ) ||
+ ( defined($state->{opt}{r}) &&
+ ( !defined($oldTag) ||
+ $state->{opt}{r} ne $oldTag ) ) )
+ # TODO?: OR sticky dir is different...
+ {
+ next;
+ }
+
+ prepDirForOutput(
+ $dir,
+ $repoDir,
+ ".",
+ \%seendirs,
+ 'update',
+ $state->{dirArgs} );
+ }
+
+ # TODO?: Consider sending a final duplicate Sticky response
+ # to more closely mimic real CVS.
+ }
+ }
+
print "ok\n";
}
my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
$updater->update();
- # Remember where the head was at the beginning.
- my $parenthash = `git show-ref -s refs/heads/$state->{module}`;
- chomp $parenthash;
- if ($parenthash !~ /^[0-9a-f]{40}$/) {
- print "error 1 pserver cannot find the current HEAD of module";
- cleanupWorkTree();
- exit;
- }
-
- setupWorkTree($parenthash);
-
- $log->info("Lockless commit start, basing commit on '$work->{workDir}', index file is '$work->{index}'");
-
- $log->info("Created index '$work->{index}' for head $state->{module} - exit status $?");
-
my @committedfiles = ();
my %oldmeta;
+ my $stickyInfo;
+ my $branchRef;
+ my $parenthash;
# foreach file specified on the command line ...
foreach my $filename ( @{$state->{args}} )
next unless ( exists $state->{entries}{$filename}{modified_filename} or not $state->{entries}{$filename}{unchanged} );
- my $meta = $updater->getmeta($filename);
+ #####
+ # Figure out which branch and parenthash we are committing
+ # to, and setup worktree:
+
+ # should always come from entries:
+ my $fileStickyInfo = resolveStickyInfo($filename);
+ if( !defined($branchRef) )
+ {
+ $stickyInfo = $fileStickyInfo;
+ if( defined($stickyInfo) &&
+ ( defined($stickyInfo->{date}) ||
+ !defined($stickyInfo->{tag}) ) )
+ {
+ print "error 1 cannot commit with sticky date for file `$filename'\n";
+ cleanupWorkTree();
+ exit;
+ }
+
+ $branchRef = "refs/heads/$state->{module}";
+ if ( defined($stickyInfo) && defined($stickyInfo->{tag}) )
+ {
+ $branchRef = "refs/heads/$stickyInfo->{tag}";
+ }
+
+ $parenthash = `git show-ref -s $branchRef`;
+ chomp $parenthash;
+ if ($parenthash !~ /^[0-9a-f]{40}$/)
+ {
+ if ( defined($stickyInfo) && defined($stickyInfo->{tag}) )
+ {
+ print "error 1 sticky tag `$stickyInfo->{tag}' for file `$filename' is not a branch\n";
+ }
+ else
+ {
+ print "error 1 pserver cannot find the current HEAD of module";
+ }
+ cleanupWorkTree();
+ exit;
+ }
+
+ setupWorkTree($parenthash);
+
+ $log->info("Lockless commit start, basing commit on '$work->{workDir}', index file is '$work->{index}'");
+
+ $log->info("Created index '$work->{index}' for head $state->{module} - exit status $?");
+ }
+ elsif( !refHashEqual($stickyInfo,$fileStickyInfo) )
+ {
+ #TODO: We could split the cvs commit into multiple
+ # git commits by distinct stickyTag values, but that
+ # is lowish priority.
+ print "error 1 Committing different files to different"
+ . " branches is not currently supported\n";
+ cleanupWorkTree();
+ exit;
+ }
+
+ #####
+ # Process this file:
+
+ my $meta = $updater->getmeta($filename,$stickyInfo);
$oldmeta{$filename} = $meta;
my $wrev = revparse($filename);
my $addflag = 0;
my $rmflag = 0;
- $rmflag = 1 if ( defined($wrev) and $wrev < 0 );
+ $rmflag = 1 if ( defined($wrev) and ($wrev=~/^-/) );
$addflag = 1 unless ( -e $filename );
# Do up to date checking
- unless ( $addflag or $wrev == $meta->{revision} or ( $rmflag and -$wrev == $meta->{revision} ) )
+ unless ( $addflag or $wrev eq $meta->{revision} or
+ ( $rmflag and $wrev eq "-$meta->{revision}" ) )
{
# fail everything if an up to date check fails
print "error 1 Up to date check failed for $filename\n";
$log->info("Adding file '$filename'");
system("git", "update-index", "--add", $filename);
} else {
- $log->info("Updating file '$filename'");
+ $log->info("UpdatingX2 file '$filename'");
system("git", "update-index", $filename);
}
}
}
### Emulate git-receive-pack by running hooks/update
- my @hook = ( $ENV{GIT_DIR}.'hooks/update', "refs/heads/$state->{module}",
+ my @hook = ( $ENV{GIT_DIR}.'hooks/update', $branchRef,
$parenthash, $commithash );
if( -x $hook[0] ) {
unless( system( @hook ) == 0 )
### Update the ref
if (system(qw(git update-ref -m), "cvsserver ci",
- "refs/heads/$state->{module}", $commithash, $parenthash)) {
+ $branchRef, $commithash, $parenthash)) {
$log->warn("update-ref for $state->{module} failed.");
print "error 1 Cannot commit -- update first\n";
cleanupWorkTree();
local $SIG{PIPE} = sub { die 'pipe broke' };
- print $pipe "$parenthash $commithash refs/heads/$state->{module}\n";
+ print $pipe "$parenthash $commithash $branchRef\n";
close $pipe || die "bad pipe: $! $?";
}
### Then hooks/post-update
$hook = $ENV{GIT_DIR}.'hooks/post-update';
if (-x $hook) {
- system($hook, "refs/heads/$state->{module}");
+ system($hook, $branchRef);
}
# foreach file specified on the command line ...
{
$filename = filecleanup($filename);
- my $meta = $updater->getmeta($filename);
+ my $meta = $updater->getmeta($filename,$stickyInfo);
unless (defined $meta->{revision}) {
- $meta->{revision} = 1;
+ $meta->{revision} = "1.1";
}
my ( $filepart, $dirpart ) = filenamesplit($filename, 1);
print "M $state->{CVSROOT}/$state->{module}/$filename,v <-- $dirpart$filepart\n";
if ( defined $meta->{filehash} && $meta->{filehash} eq "deleted" )
{
- print "M new revision: delete; previous revision: 1.$oldmeta{$filename}{revision}\n";
+ print "M new revision: delete; previous revision: $oldmeta{$filename}{revision}\n";
print "Remove-entry $dirpart\n";
print "$filename\n";
} else {
- if ($meta->{revision} == 1) {
+ if ($meta->{revision} eq "1.1") {
print "M initial revision: 1.1\n";
} else {
- print "M new revision: 1.$meta->{revision}; previous revision: 1.$oldmeta{$filename}{revision}\n";
+ print "M new revision: $meta->{revision}; previous revision: $oldmeta{$filename}{revision}\n";
}
print "Checked-in $dirpart\n";
print "$filename\n";
my $kopts = kopts_from_path($filename,"sha1",$meta->{filehash});
- print "/$filepart/1.$meta->{revision}//$kopts/\n";
+ print "/$filepart/$meta->{revision}//$kopts/" .
+ getStickyTagOrDate($stickyInfo) . "\n";
}
}
#$log->debug("status state : " . Dumper($state));
# Grab a handle to the SQLite db and do any necessary updates
- my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
+ my $updater;
+ $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
$updater->update();
- # if no files were specified, we need to work out what files we should be providing status on ...
+ # if no files were specified, we need to work out what files we should
+ # be providing status on ...
argsfromdir($updater);
# foreach file specified on the command line ...
{
$filename = filecleanup($filename);
- next if exists($state->{opt}{l}) && index($filename, '/', length($state->{prependdir})) >= 0;
-
- my $meta = $updater->getmeta($filename);
- my $oldmeta = $meta;
+ if ( exists($state->{opt}{l}) &&
+ index($filename, '/', length($state->{prependdir})) >= 0 )
+ {
+ next;
+ }
my $wrev = revparse($filename);
- # If the working copy is an old revision, lets get that version too for comparison.
- if ( defined($wrev) and $wrev != $meta->{revision} )
+ my $stickyInfo = resolveStickyInfo($filename);
+ my $meta = $updater->getmeta($filename,$stickyInfo);
+ my $oldmeta = $meta;
+
+ # If the working copy is an old revision, lets get that
+ # version too for comparison.
+ if ( defined($wrev) and $wrev ne $meta->{revision} )
{
- $oldmeta = $updater->getmeta($filename, $wrev);
+ my($rmRev)=$wrev;
+ $rmRev=~s/^-//;
+ $oldmeta = $updater->getmeta($filename, $rmRev);
}
# TODO : All possible statuses aren't yet implemented
my $status;
- # Files are up to date if the working copy and repo copy have the same revision, and the working copy is unmodified
- $status = "Up-to-date" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision}
- and
- ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
- or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta->{filehash} ) )
- );
-
- # Need checkout if the working copy has an older revision than the repo copy, and the working copy is unmodified
- $status ||= "Needs Checkout" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev
- and
- ( $state->{entries}{$filename}{unchanged}
- or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $oldmeta->{filehash} ) )
- );
-
- # Need checkout if it exists in the repo but doesn't have a working copy
- $status ||= "Needs Checkout" if ( not defined ( $wrev ) and defined ( $meta->{revision} ) );
-
- # Locally modified if working copy and repo copy have the same revision but there are local changes
- $status ||= "Locally Modified" if ( defined ( $wrev ) and defined($meta->{revision}) and $wrev == $meta->{revision} and $state->{entries}{$filename}{modified_filename} );
-
- # Needs Merge if working copy revision is less than repo copy and there are local changes
- $status ||= "Needs Merge" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and $meta->{revision} > $wrev and $state->{entries}{$filename}{modified_filename} );
-
- $status ||= "Locally Added" if ( defined ( $state->{entries}{$filename}{revision} ) and not defined ( $meta->{revision} ) );
- $status ||= "Locally Removed" if ( defined ( $wrev ) and defined ( $meta->{revision} ) and -$wrev == $meta->{revision} );
- $status ||= "Unresolved Conflict" if ( defined ( $state->{entries}{$filename}{conflict} ) and $state->{entries}{$filename}{conflict} =~ /^\+=/ );
- $status ||= "File had conflicts on merge" if ( 0 );
+ # Files are up to date if the working copy and repo copy have
+ # the same revision, and the working copy is unmodified
+ if ( defined ( $wrev ) and defined($meta->{revision}) and
+ $wrev eq $meta->{revision} and
+ ( ( $state->{entries}{$filename}{unchanged} and
+ ( not defined ( $state->{entries}{$filename}{conflict} ) or
+ $state->{entries}{$filename}{conflict} !~ /^\+=/ ) ) or
+ ( defined($state->{entries}{$filename}{modified_hash}) and
+ $state->{entries}{$filename}{modified_hash} eq
+ $meta->{filehash} ) ) )
+ {
+ $status = "Up-to-date"
+ }
+
+ # Need checkout if the working copy has a different (usually
+ # older) revision than the repo copy, and the working copy is
+ # unmodified
+ if ( defined ( $wrev ) and defined ( $meta->{revision} ) and
+ $meta->{revision} ne $wrev and
+ ( $state->{entries}{$filename}{unchanged} or
+ ( defined($state->{entries}{$filename}{modified_hash}) and
+ $state->{entries}{$filename}{modified_hash} eq
+ $oldmeta->{filehash} ) ) )
+ {
+ $status ||= "Needs Checkout";
+ }
+
+ # Need checkout if it exists in the repo but doesn't have a working
+ # copy
+ if ( not defined ( $wrev ) and defined ( $meta->{revision} ) )
+ {
+ $status ||= "Needs Checkout";
+ }
+
+ # Locally modified if working copy and repo copy have the
+ # same revision but there are local changes
+ if ( defined ( $wrev ) and defined($meta->{revision}) and
+ $wrev eq $meta->{revision} and
+ $wrev ne "0" and
+ $state->{entries}{$filename}{modified_filename} )
+ {
+ $status ||= "Locally Modified";
+ }
+
+ # Needs Merge if working copy revision is different
+ # (usually older) than repo copy and there are local changes
+ if ( defined ( $wrev ) and defined ( $meta->{revision} ) and
+ $meta->{revision} ne $wrev and
+ $state->{entries}{$filename}{modified_filename} )
+ {
+ $status ||= "Needs Merge";
+ }
+
+ if ( defined ( $state->{entries}{$filename}{revision} ) and
+ ( !defined($meta->{revision}) ||
+ $meta->{revision} eq "0" ) )
+ {
+ $status ||= "Locally Added";
+ }
+ if ( defined ( $wrev ) and defined ( $meta->{revision} ) and
+ $wrev eq "-$meta->{revision}" )
+ {
+ $status ||= "Locally Removed";
+ }
+ if ( defined ( $state->{entries}{$filename}{conflict} ) and
+ $state->{entries}{$filename}{conflict} =~ /^\+=/ )
+ {
+ $status ||= "Unresolved Conflict";
+ }
+ if ( 0 )
+ {
+ $status ||= "File had conflicts on merge";
+ }
$status ||= "Unknown";
my ($filepart) = filenamesplit($filename);
- print "M ===================================================================\n";
+ print "M =======" . ( "=" x 60 ) . "\n";
print "M File: $filepart\tStatus: $status\n";
if ( defined($state->{entries}{$filename}{revision}) )
{
- print "M Working revision:\t" . $state->{entries}{$filename}{revision} . "\n";
+ print "M Working revision:\t" .
+ $state->{entries}{$filename}{revision} . "\n";
} else {
print "M Working revision:\tNo entry for $filename\n";
}
if ( defined($meta->{revision}) )
{
- print "M Repository revision:\t1." . $meta->{revision} . "\t$state->{CVSROOT}/$state->{module}/$filename,v\n";
- print "M Sticky Tag:\t\t(none)\n";
- print "M Sticky Date:\t\t(none)\n";
- print "M Sticky Options:\t\t(none)\n";
+ print "M Repository revision:\t" .
+ $meta->{revision} .
+ "\t$state->{CVSROOT}/$state->{module}/$filename,v\n";
+ my($tagOrDate)=$state->{entries}{$filename}{tag_or_date};
+ my($tag)=($tagOrDate=~m/^T(.+)$/);
+ if( !defined($tag) )
+ {
+ $tag="(none)";
+ }
+ print "M Sticky Tag:\t\t$tag\n";
+ my($date)=($tagOrDate=~m/^D(.+)$/);
+ if( !defined($date) )
+ {
+ $date="(none)";
+ }
+ print "M Sticky Date:\t\t$date\n";
+ my($options)=$state->{entries}{$filename}{options};
+ if( $options eq "" )
+ {
+ $options="(none)";
+ }
+ print "M Sticky Options:\t\t$options\n";
} else {
print "M Repository revision:\tNo revision control file\n";
}
$revision1 = $state->{opt}{r};
}
- $revision1 =~ s/^1\.// if ( defined ( $revision1 ) );
- $revision2 =~ s/^1\.// if ( defined ( $revision2 ) );
-
- $log->debug("Diffing revisions " . ( defined($revision1) ? $revision1 : "[NULL]" ) . " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
+ $log->debug("Diffing revisions " .
+ ( defined($revision1) ? $revision1 : "[NULL]" ) .
+ " and " . ( defined($revision2) ? $revision2 : "[NULL]" ) );
# Grab a handle to the SQLite db and do any necessary updates
- my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
+ my $updater;
+ $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
$updater->update();
- # if no files were specified, we need to work out what files we should be providing status on ...
+ # if no files were specified, we need to work out what files we should
+ # be providing status on ...
argsfromdir($updater);
+ my($foundDiff);
+
# foreach file specified on the command line ...
- foreach my $filename ( @{$state->{args}} )
+ foreach my $argFilename ( @{$state->{args}} )
{
- $filename = filecleanup($filename);
+ my($filename) = filecleanup($argFilename);
my ( $fh, $file1, $file2, $meta1, $meta2, $filediff );
my $wrev = revparse($filename);
- # We need _something_ to diff against
- next unless ( defined ( $wrev ) );
+ # Priority for revision1:
+ # 1. First -r (missing file: check -N)
+ # 2. wrev from client's Entry line
+ # - missing line/file: check -N
+ # - "0": added file not committed (empty contents for rev1)
+ # - Prefixed with dash (to be removed): check -N
- # if we have a -r switch, use it
if ( defined ( $revision1 ) )
{
- ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
$meta1 = $updater->getmeta($filename, $revision1);
- unless ( defined ( $meta1 ) and $meta1->{filehash} ne "deleted" )
+ }
+ elsif( defined($wrev) && $wrev ne "0" )
+ {
+ my($rmRev)=$wrev;
+ $rmRev=~s/^-//;
+ $meta1 = $updater->getmeta($filename, $rmRev);
+ }
+ if ( !defined($meta1) ||
+ $meta1->{filehash} eq "deleted" )
+ {
+ if( !exists($state->{opt}{N}) )
{
- print "E File $filename at revision 1.$revision1 doesn't exist\n";
+ if(!defined($revision1))
+ {
+ print "E File $filename at revision $revision1 doesn't exist\n";
+ }
next;
}
- transmitfile($meta1->{filehash}, { targetfile => $file1 });
- }
- # otherwise we just use the working copy revision
- else
- {
- ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
- $meta1 = $updater->getmeta($filename, $wrev);
- transmitfile($meta1->{filehash}, { targetfile => $file1 });
+ elsif( !defined($meta1) )
+ {
+ $meta1 = {
+ name => $filename,
+ revision => '0',
+ filehash => 'deleted'
+ };
+ }
}
+ # Priority for revision2:
+ # 1. Second -r (missing file: check -N)
+ # 2. Modified file contents from client
+ # 3. wrev from client's Entry line
+ # - missing line/file: check -N
+ # - Prefixed with dash (to be removed): check -N
+
# if we have a second -r switch, use it too
if ( defined ( $revision2 ) )
{
- ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
$meta2 = $updater->getmeta($filename, $revision2);
-
- unless ( defined ( $meta2 ) and $meta2->{filehash} ne "deleted" )
+ }
+ elsif(defined($state->{entries}{$filename}{modified_filename}))
+ {
+ $file2 = $state->{entries}{$filename}{modified_filename};
+ $meta2 = {
+ name => $filename,
+ revision => '0',
+ filehash => 'modified'
+ };
+ }
+ elsif( defined($wrev) && ($wrev!~/^-/) )
+ {
+ if(!defined($revision1)) # no revision and no modifications:
{
- print "E File $filename at revision 1.$revision2 doesn't exist\n";
next;
}
-
- transmitfile($meta2->{filehash}, { targetfile => $file2 });
+ $meta2 = $updater->getmeta($filename, $wrev);
}
- # otherwise we just use the working copy
- else
+ if(!defined($file2))
{
- $file2 = $state->{entries}{$filename}{modified_filename};
+ if ( !defined($meta2) ||
+ $meta2->{filehash} eq "deleted" )
+ {
+ if( !exists($state->{opt}{N}) )
+ {
+ if(!defined($revision2))
+ {
+ print "E File $filename at revision $revision2 doesn't exist\n";
+ }
+ next;
+ }
+ elsif( !defined($meta2) )
+ {
+ $meta2 = {
+ name => $filename,
+ revision => '0',
+ filehash => 'deleted'
+ };
+ }
+ }
}
- # if we have been given -r, and we don't have a $file2 yet, lets get one
- if ( defined ( $revision1 ) and not defined ( $file2 ) )
+ if( $meta1->{filehash} eq $meta2->{filehash} )
{
- ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
- $meta2 = $updater->getmeta($filename, $wrev);
- transmitfile($meta2->{filehash}, { targetfile => $file2 });
+ $log->info("unchanged $filename");
+ next;
}
- # We need to have retrieved something useful
- next unless ( defined ( $meta1 ) );
-
- # Files to date if the working copy and repo copy have the same revision, and the working copy is unmodified
- next if ( not defined ( $meta2 ) and $wrev == $meta1->{revision}
- and
- ( ( $state->{entries}{$filename}{unchanged} and ( not defined ( $state->{entries}{$filename}{conflict} ) or $state->{entries}{$filename}{conflict} !~ /^\+=/ ) )
- or ( defined($state->{entries}{$filename}{modified_hash}) and $state->{entries}{$filename}{modified_hash} eq $meta1->{filehash} ) )
- );
+ # Retrieve revision contents:
+ ( undef, $file1 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
+ transmitfile($meta1->{filehash}, { targetfile => $file1 });
- # Apparently we only show diffs for locally modified files
- next unless ( defined($meta2) or defined ( $state->{entries}{$filename}{modified_filename} ) );
+ if(!defined($file2))
+ {
+ ( undef, $file2 ) = tempfile( DIR => $TEMP_DIR, OPEN => 0 );
+ transmitfile($meta2->{filehash}, { targetfile => $file2 });
+ }
- print "M Index: $filename\n";
- print "M ===================================================================\n";
+ # Generate the actual diff:
+ print "M Index: $argFilename\n";
+ print "M =======" . ( "=" x 60 ) . "\n";
print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
- print "M retrieving revision 1.$meta1->{revision}\n" if ( defined ( $meta1 ) );
- print "M retrieving revision 1.$meta2->{revision}\n" if ( defined ( $meta2 ) );
+ if ( defined ( $meta1 ) && $meta1->{revision} ne "0" )
+ {
+ print "M retrieving revision $meta1->{revision}\n"
+ }
+ if ( defined ( $meta2 ) && $meta2->{revision} ne "0" )
+ {
+ print "M retrieving revision $meta2->{revision}\n"
+ }
print "M diff ";
foreach my $opt ( keys %{$state->{opt}} )
{
}
} else {
print "-$opt ";
- print "$state->{opt}{$opt} " if ( defined ( $state->{opt}{$opt} ) );
+ if ( defined ( $state->{opt}{$opt} ) )
+ {
+ print "$state->{opt}{$opt} "
+ }
}
}
- print "$filename\n";
-
- $log->info("Diffing $filename -r $meta1->{revision} -r " . ( $meta2->{revision} or "workingcopy" ));
-
- ( $fh, $filediff ) = tempfile ( DIR => $TEMP_DIR );
-
- if ( exists $state->{opt}{u} )
+ print "$argFilename\n";
+
+ $log->info("Diffing $filename -r $meta1->{revision} -r " .
+ ( $meta2->{revision} or "workingcopy" ));
+
+ # TODO: Use --label instead of -L because -L is no longer
+ # documented and may go away someday. Not sure if there there are
+ # versions that only support -L, which would make this change risky?
+ # http://osdir.com/ml/bug-gnu-utils-gnu/2010-12/msg00060.html
+ # ("man diff" should actually document the best migration strategy,
+ # [current behavior, future changes, old compatibility issues
+ # or lack thereof, etc], not just stop mentioning the option...)
+ # TODO: Real CVS seems to include a date in the label, before
+ # the revision part, without the keyword "revision". The following
+ # has minimal changes compared to original versions of
+ # git-cvsserver.perl. (Mostly tab vs space after filename.)
+
+ my (@diffCmd) = ( 'diff' );
+ if ( exists($state->{opt}{N}) )
{
- system("diff -u -L '$filename revision 1.$meta1->{revision}' -L '$filename " . ( defined($meta2->{revision}) ? "revision 1.$meta2->{revision}" : "working copy" ) . "' $file1 $file2 > $filediff");
- } else {
- system("diff $file1 $file2 > $filediff");
+ push @diffCmd,"-N";
}
-
- while ( <$fh> )
+ if ( exists $state->{opt}{u} )
{
- print "M $_";
- }
- close $fh;
+ push @diffCmd,("-u","-L");
+ if( $meta1->{filehash} eq "deleted" )
+ {
+ push @diffCmd,"/dev/null";
+ } else {
+ push @diffCmd,("$argFilename\trevision $meta1->{revision}");
+ }
+
+ if( defined($meta2->{filehash}) )
+ {
+ if( $meta2->{filehash} eq "deleted" )
+ {
+ push @diffCmd,("-L","/dev/null");
+ } else {
+ push @diffCmd,("-L",
+ "$argFilename\trevision $meta2->{revision}");
+ }
+ } else {
+ push @diffCmd,("-L","$argFilename\tworking copy");
+ }
+ }
+ push @diffCmd,($file1,$file2);
+ if(!open(DIFF,"-|",@diffCmd))
+ {
+ $log->warn("Unable to run diff: $!");
+ }
+ my($diffLine);
+ while(defined($diffLine=<DIFF>))
+ {
+ print "M $diffLine";
+ $foundDiff=1;
+ }
+ close(DIFF);
}
- print "ok\n";
+ if($foundDiff)
+ {
+ print "error \n";
+ }
+ else
+ {
+ print "ok\n";
+ }
}
sub req_log
$log->debug("req_log : " . ( defined($data) ? $data : "[NULL]" ));
#$log->debug("log state : " . Dumper($state));
- my ( $minrev, $maxrev );
- if ( defined ( $state->{opt}{r} ) and $state->{opt}{r} =~ /([\d.]+)?(::?)([\d.]+)?/ )
+ my ( $revFilter );
+ if ( defined ( $state->{opt}{r} ) )
{
- my $control = $2;
- $minrev = $1;
- $maxrev = $3;
- $minrev =~ s/^1\.// if ( defined ( $minrev ) );
- $maxrev =~ s/^1\.// if ( defined ( $maxrev ) );
- $minrev++ if ( defined($minrev) and $control eq "::" );
+ $revFilter = $state->{opt}{r};
}
# Grab a handle to the SQLite db and do any necessary updates
- my $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
+ my $updater;
+ $updater = GITCVS::updater->new($state->{CVSROOT}, $state->{module}, $log);
$updater->update();
- # if no files were specified, we need to work out what files we should be providing status on ...
+ # if no files were specified, we need to work out what files we
+ # should be providing status on ...
argsfromdir($updater);
# foreach file specified on the command line ...
my $headmeta = $updater->getmeta($filename);
- my $revisions = $updater->getlog($filename);
- my $totalrevisions = scalar(@$revisions);
-
- if ( defined ( $minrev ) )
- {
- $log->debug("Removing revisions less than $minrev");
- while ( scalar(@$revisions) > 0 and $revisions->[-1]{revision} < $minrev )
- {
- pop @$revisions;
- }
- }
- if ( defined ( $maxrev ) )
- {
- $log->debug("Removing revisions greater than $maxrev");
- while ( scalar(@$revisions) > 0 and $revisions->[0]{revision} > $maxrev )
- {
- shift @$revisions;
- }
- }
+ my ($revisions,$totalrevisions) = $updater->getlog($filename,
+ $revFilter);
next unless ( scalar(@$revisions) );
print "M \n";
print "M RCS file: $state->{CVSROOT}/$state->{module}/$filename,v\n";
print "M Working file: $filename\n";
- print "M head: 1.$headmeta->{revision}\n";
+ print "M head: $headmeta->{revision}\n";
print "M branch:\n";
print "M locks: strict\n";
print "M access list:\n";
print "M symbolic names:\n";
print "M keyword substitution: kv\n";
- print "M total revisions: $totalrevisions;\tselected revisions: " . scalar(@$revisions) . "\n";
+ print "M total revisions: $totalrevisions;\tselected revisions: " .
+ scalar(@$revisions) . "\n";
print "M description:\n";
foreach my $revision ( @$revisions )
{
print "M ----------------------------\n";
- print "M revision 1.$revision->{revision}\n";
+ print "M revision $revision->{revision}\n";
# reformat the date for log output
- $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}) );
+ if ( $revision->{modified} =~ /(\d+)\s+(\w+)\s+(\d+)\s+(\S+)/ and
+ defined($DATE_LIST->{$2}) )
+ {
+ $revision->{modified} = sprintf('%04d/%02d/%02d %s',
+ $3, $DATE_LIST->{$2}, $1, $4 );
+ }
$revision->{author} = cvs_author($revision->{author});
- print "M date: $revision->{modified}; author: $revision->{author}; state: " . ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) . "; lines: +2 -3\n";
- my $commitmessage = $updater->commitmessage($revision->{commithash});
+ print "M date: $revision->{modified};" .
+ " author: $revision->{author}; state: " .
+ ( $revision->{filehash} eq "deleted" ? "dead" : "Exp" ) .
+ "; lines: +2 -3\n";
+ my $commitmessage;
+ $commitmessage = $updater->commitmessage($revision->{commithash});
$commitmessage =~ s/^/M /mg;
print $commitmessage . "\n";
}
- print "M =============================================================================\n";
+ print "M =======" . ( "=" x 70 ) . "\n";
}
print "ok\n";
$metadata->{$commithash}{author} = cvs_author($metadata->{$commithash}{author});
$metadata->{$commithash}{modified} = sprintf("%02d-%s-%02d", $1, $2, $3) if ( $metadata->{$commithash}{modified} =~ /^(\d+)\s(\w+)\s\d\d(\d\d)/ );
}
- printf("M 1.%-5d (%-8s %10s): %s\n",
+ printf("M %-7s (%-8s %10s): %s\n",
$metadata->{$commithash}{revision},
$metadata->{$commithash}{author},
$metadata->{$commithash}{modified},
$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" );
$opt = { v => 0, l => 0, R => 0 } if ( $type eq "status" );
$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" );
- $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2 } if ( $type eq "diff" );
+ $opt = { l => 0, R => 0, k => 1, D => 1, D => 1, r => 2, N => 0 } if ( $type eq "diff" );
$opt = { c => 0, R => 0, l => 0, f => 0, F => 1, m => 1, r => 1 } if ( $type eq "ci" );
$opt = { k => 1, m => 1 } if ( $type eq "add" );
$opt = { f => 0, l => 0, R => 0 } if ( $type eq "remove" );
}
}
-# This method uses $state->{directory} to populate $state->{args} with a list of filenames
-sub argsfromdir
+# Used by argsfromdir
+sub expandArg
{
- my $updater = shift;
+ my ($updater,$outNameMap,$outDirMap,$path,$isDir) = @_;
- $state->{args} = [] if ( scalar(@{$state->{args}}) == 1 and $state->{args}[0] eq "." );
+ my $fullPath = filecleanup($path);
- return if ( scalar ( @{$state->{args}} ) > 1 );
+ # Is it a directory?
+ if( defined($state->{dirMap}{$fullPath}) ||
+ defined($state->{dirMap}{"$fullPath/"}) )
+ {
+ # It is a directory in the user's sandbox.
+ $isDir=1;
- my @gethead = @{$updater->gethead};
+ if(defined($state->{entries}{$fullPath}))
+ {
+ $log->fatal("Inconsistent file/dir type");
+ die "Inconsistent file/dir type";
+ }
+ }
+ elsif(defined($state->{entries}{$fullPath}))
+ {
+ # It is a file in the user's sandbox.
+ $isDir=0;
+ }
+ my($revDirMap,$otherRevDirMap);
+ if(!defined($isDir) || $isDir)
+ {
+ # Resolve version tree for sticky tag:
+ # (for now we only want list of files for the version, not
+ # particular versions of those files: assume it is a directory
+ # for the moment; ignore Entry's stick tag)
+
+ # Order of precedence of sticky tags:
+ # -A [head]
+ # -r /tag/
+ # [file entry sticky tag, but that is only relevant to files]
+ # [the tag specified in dir req_Sticky]
+ # [the tag specified in a parent dir req_Sticky]
+ # [head]
+ # Also, -r may appear twice (for diff).
+ #
+ # FUTURE: When/if -j (merges) are supported, we also
+ # need to add relevant files from one or two
+ # versions specified with -j.
+
+ if(exists($state->{opt}{A}))
+ {
+ $revDirMap=$updater->getRevisionDirMap();
+ }
+ elsif( defined($state->{opt}{r}) and
+ ref $state->{opt}{r} eq "ARRAY" )
+ {
+ $revDirMap=$updater->getRevisionDirMap($state->{opt}{r}[0]);
+ $otherRevDirMap=$updater->getRevisionDirMap($state->{opt}{r}[1]);
+ }
+ elsif(defined($state->{opt}{r}))
+ {
+ $revDirMap=$updater->getRevisionDirMap($state->{opt}{r});
+ }
+ else
+ {
+ my($sticky)=getDirStickyInfo($fullPath);
+ $revDirMap=$updater->getRevisionDirMap($sticky->{tag});
+ }
- # push added files
- foreach my $file (keys %{$state->{entries}}) {
- if ( exists $state->{entries}{$file}{revision} &&
- $state->{entries}{$file}{revision} == 0 )
- {
- push @gethead, { name => $file, filehash => 'added' };
- }
+ # Is it a directory?
+ if( defined($revDirMap->{$fullPath}) ||
+ defined($otherRevDirMap->{$fullPath}) )
+ {
+ $isDir=1;
+ }
}
- if ( scalar(@{$state->{args}}) == 1 )
+ # What to do with it?
+ if(!$isDir)
+ {
+ $outNameMap->{$fullPath}=1;
+ }
+ else
{
- my $arg = $state->{args}[0];
- $arg .= $state->{prependdir} if ( defined ( $state->{prependdir} ) );
+ $outDirMap->{$fullPath}=1;
+
+ if(defined($revDirMap->{$fullPath}))
+ {
+ addDirMapFiles($updater,$outNameMap,$outDirMap,
+ $revDirMap->{$fullPath});
+ }
+ if( defined($otherRevDirMap) &&
+ defined($otherRevDirMap->{$fullPath}) )
+ {
+ addDirMapFiles($updater,$outNameMap,$outDirMap,
+ $otherRevDirMap->{$fullPath});
+ }
+ }
+}
- $log->info("Only one arg specified, checking for directory expansion on '$arg'");
+# Used by argsfromdir
+# Add entries from dirMap to outNameMap. Also recurse into entries
+# that are subdirectories.
+sub addDirMapFiles
+{
+ my($updater,$outNameMap,$outDirMap,$dirMap)=@_;
- foreach my $file ( @gethead )
+ my($fullName);
+ foreach $fullName (keys(%$dirMap))
+ {
+ my $cleanName=$fullName;
+ if(defined($state->{prependdir}))
{
- next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
- next unless ( $file->{name} =~ /^$arg\// or $file->{name} eq $arg );
- push @{$state->{args}}, $file->{name};
+ if(!($cleanName=~s/^\Q$state->{prependdir}\E//))
+ {
+ $log->fatal("internal error stripping prependdir");
+ die "internal error stripping prependdir";
+ }
}
- shift @{$state->{args}} if ( scalar(@{$state->{args}}) > 1 );
- } else {
- $log->info("Only one arg specified, populating file list automatically");
+ if($dirMap->{$fullName} eq "F")
+ {
+ $outNameMap->{$cleanName}=1;
+ }
+ elsif($dirMap->{$fullName} eq "D")
+ {
+ if(!$state->{opt}{l})
+ {
+ expandArg($updater,$outNameMap,$outDirMap,$cleanName,1);
+ }
+ }
+ else
+ {
+ $log->fatal("internal error in addDirMapFiles");
+ die "internal error in addDirMapFiles";
+ }
+ }
+}
+
+# This method replaces $state->{args} with a directory-expanded
+# list of all relevant filenames (recursively unless -d), based
+# on $state->{entries}, and the "current" list of files in
+# each directory. "Current" files as determined by
+# either the requested (-r/-A) or "req_Sticky" version of
+# that directory.
+# Both the input args and the new output args are relative
+# to the cvs-client's CWD, although some of the internal
+# computations are relative to the top of the project.
+sub argsfromdir
+{
+ my $updater = shift;
+
+ # Notes about requirements for specific callers:
+ # update # "standard" case (entries; a single -r/-A/default; -l)
+ # # Special case: -d for create missing directories.
+ # diff # 0 or 1 -r's: "standard" case.
+ # # 2 -r's: We could ignore entries (just use the two -r's),
+ # # but it doesn't really matter.
+ # annotate # "standard" case
+ # log # Punting: log -r has a more complex non-"standard"
+ # # meaning, and we don't currently try to support log'ing
+ # # branches at all (need a lot of work to
+ # # support CVS-consistent branch relative version
+ # # numbering).
+#HERE: But we still want to expand directories. Maybe we should
+# essentially force "-A".
+ # status # "standard", except that -r/-A/default are not possible.
+ # # Mostly only used to expand entries only)
+ #
+ # Don't use argsfromdir at all:
+ # add # Explicit arguments required. Directory args imply add
+ # # the directory itself, not the files in it.
+ # co # Obtain list directly.
+ # remove # HERE: TEST: MAYBE client does the recursion for us,
+ # # since it only makes sense to remove stuff already in
+ # # the sandobx?
+ # ci # HERE: Similar to remove...
+ # # Don't try to implement the confusing/weird
+ # # ci -r bug er.."feature".
+
+ if(scalar(@{$state->{args}})==0)
+ {
+ $state->{args} = [ "." ];
+ }
+ my %allArgs;
+ my %allDirs;
+ for my $file (@{$state->{args}})
+ {
+ expandArg($updater,\%allArgs,\%allDirs,$file);
+ }
+
+ # Include any entries from sandbox. Generally client won't
+ # send entries that shouldn't be used.
+ foreach my $file (keys %{$state->{entries}})
+ {
+ $allArgs{remove_prependdir($file)} = 1;
+ }
+
+ $state->{dirArgs} = \%allDirs;
+ $state->{args} = [
+ sort {
+ # Sort priority: by directory depth, then actual file name:
+ my @piecesA=split('/',$a);
+ my @piecesB=split('/',$b);
+
+ my $count=scalar(@piecesA);
+ my $tmp=scalar(@piecesB);
+ return $count<=>$tmp if($count!=$tmp);
+
+ for($tmp=0;$tmp<$count;$tmp++)
+ {
+ if($piecesA[$tmp] ne $piecesB[$tmp])
+ {
+ return $piecesA[$tmp] cmp $piecesB[$tmp]
+ }
+ }
+ return 0;
+ } keys(%allArgs) ];
+}
+
+## look up directory sticky tag, of either fullPath or a parent:
+sub getDirStickyInfo
+{
+ my($fullPath)=@_;
+
+ $fullPath=~s%/+$%%;
+ while($fullPath ne "" && !defined($state->{dirMap}{"$fullPath/"}))
+ {
+ $fullPath=~s%/?[^/]*$%%;
+ }
+
+ if( !defined($state->{dirMap}{"$fullPath/"}) &&
+ ( $fullPath eq "" ||
+ $fullPath eq "." ) )
+ {
+ return $state->{dirMap}{""}{stickyInfo};
+ }
+ else
+ {
+ return $state->{dirMap}{"$fullPath/"}{stickyInfo};
+ }
+}
- $state->{args} = [];
+# Resolve precedence of various ways of specifying which version of
+# a file you want. Returns undef (for default head), or a ref to a hash
+# that contains "tag" and/or "date" keys.
+sub resolveStickyInfo
+{
+ my($filename,$stickyTag,$stickyDate,$reset) = @_;
+
+ # Order of precedence of sticky tags:
+ # -A [head]
+ # -r /tag/
+ # [file entry sticky tag]
+ # [the tag specified in dir req_Sticky]
+ # [the tag specified in a parent dir req_Sticky]
+ # [head]
+
+ my $result;
+ if($reset)
+ {
+ # $result=undef;
+ }
+ elsif( defined($stickyTag) && $stickyTag ne "" )
+ # || ( defined($stickyDate) && $stickyDate ne "" ) # TODO
+ {
+ $result={ 'tag' => (defined($stickyTag)?$stickyTag:undef) };
- foreach my $file ( @gethead )
+ # TODO: Convert -D value into the form 2011.04.10.04.46.57,
+ # similar to an entry line's sticky date, without the D prefix.
+ # It sometimes (always?) arrives as something more like
+ # '10 Apr 2011 04:46:57 -0000'...
+ # $result={ 'date' => (defined($stickyDate)?$stickyDate:undef) };
+ }
+ elsif( defined($state->{entries}{$filename}) &&
+ defined($state->{entries}{$filename}{tag_or_date}) &&
+ $state->{entries}{$filename}{tag_or_date} ne "" )
+ {
+ my($tagOrDate)=$state->{entries}{$filename}{tag_or_date};
+ if($tagOrDate=~/^T([^ ]+)\s*$/)
+ {
+ $result = { 'tag' => $1 };
+ }
+ elsif($tagOrDate=~/^D([0-9.]+)\s*$/)
+ {
+ $result= { 'date' => $1 };
+ }
+ else
{
- next if ( $file->{filehash} eq "deleted" and not defined ( $state->{entries}{$file->{name}} ) );
- next unless ( $file->{name} =~ s/^$state->{prependdir}// );
- push @{$state->{args}}, $file->{name};
+ die "Unknown tag_or_date format\n";
}
}
+ else
+ {
+ $result=getDirStickyInfo($filename);
+ }
+
+ return $result;
+}
+
+# Convert a stickyInfo (ref to a hash) as returned by resolveStickyInfo into
+# a form appropriate for the sticky tag field of an Entries
+# line (field index 5, 0-based).
+sub getStickyTagOrDate
+{
+ my($stickyInfo)=@_;
+
+ my $result;
+ if(defined($stickyInfo) && defined($stickyInfo->{tag}))
+ {
+ $result="T$stickyInfo->{tag}";
+ }
+ # TODO: When/if we actually pick versions by {date} properly,
+ # also handle it here:
+ # "D$stickyInfo->{date}" (example: "D2011.04.13.20.37.07").
+ else
+ {
+ $result="";
+ }
+
+ return $result;
}
# This method cleans up the $state variable after a command that uses arguments has run
sub statecleanup
{
$state->{files} = [];
+ $state->{dirArgs} = {};
$state->{args} = [];
$state->{arguments} = [];
$state->{entries} = {};
+ $state->{dirMap} = {};
}
+# Return working directory CVS revision "1.X" out
+# of the the working directory "entries" state, for the given filename.
+# This is prefixed with a dash if the file is scheduled for removal
+# when it is committed.
sub revparse
{
my $filename = shift;
- return undef unless ( defined ( $state->{entries}{$filename}{revision} ) );
-
- return $1 if ( $state->{entries}{$filename}{revision} =~ /^1\.(\d+)/ );
- return -$1 if ( $state->{entries}{$filename}{revision} =~ /^-1\.(\d+)/ );
-
- return undef;
+ return $state->{entries}{$filename}{revision};
}
# This method takes a file hash and does a CVS "file transfer". Its
return ( $filepart, $dirpart );
}
+# Cleanup various junk in filename (try to canonicalize it), and
+# add prependdir to accomodate running CVS client from a
+# subdirectory (so the output is relative to top directory of the project).
sub filecleanup
{
my $filename = shift;
return undef;
}
+ if($filename eq ".")
+ {
+ $filename="";
+ }
$filename =~ s/^\.\///g;
+ $filename =~ s%/+%/%g;
$filename = $state->{prependdir} . $filename;
+ $filename =~ s%/$%%;
return $filename;
}
+# Remove prependdir from the path, so that is is relative to the directory
+# the CVS client was started from, rather than the top of the project.
+# Essentially the inverse of filecleanup().
+sub remove_prependdir
+{
+ my($path) = @_;
+ if(defined($state->{prependdir}) && $state->{prependdir} ne "")
+ {
+ my($pre)=$state->{prependdir};
+ $pre=~s%/$%%;
+ if(!($path=~s%^\Q$pre\E/?%%))
+ {
+ $log->fatal("internal error missing prependdir");
+ die("internal error missing prependdir");
+ }
+ }
+ return $path;
+}
+
sub validateGitDir
{
if( !defined($state->{CVSROOT}) )
}
elsif( ($cfg->{gitcvs}{allbinary} =~ /^\s*guess\s*$/i) )
{
- if( $srcType eq "sha1Or-k" &&
- !defined($name) )
+ if( is_binary($srcType,$name) )
{
- my ($ret)=$state->{entries}{$path}{options};
- if( !defined($ret) )
- {
- $ret=$state->{opt}{k};
- if(defined($ret))
- {
- $ret="-k$ret";
- }
- else
- {
- $ret="";
- }
- }
- if( ! ($ret=~/^(|-kb|-kkv|-kkvl|-kk|-ko|-kv)$/) )
- {
- print "E Bad -k option\n";
- $log->warn("Bad -k option: $ret");
- die "Error: Bad -k option: $ret\n";
- }
-
- return $ret;
+ $log->debug("... as binary");
+ return "-kb";
}
else
{
- if( is_binary($srcType,$name) )
- {
- $log->debug("... as binary");
- return "-kb";
- }
- else
- {
- $log->debug("... as text");
- }
+ $log->debug("... as text");
}
}
}
die "Unable to open file $name: $!\n";
}
}
- elsif( $srcType eq "sha1" || $srcType eq "sha1Or-k" )
+ elsif( $srcType eq "sha1" )
{
unless ( defined ( $name ) and $name =~ /^[a-zA-Z0-9]{40}$/ )
{
return $ret;
}
+# Test if the (deep) values of two references to a hash are the same.
+sub refHashEqual
+{
+ my($v1,$v2) = @_;
+
+ my $out;
+ if(!defined($v1))
+ {
+ if(!defined($v2))
+ {
+ $out=1;
+ }
+ }
+ elsif( !defined($v2) ||
+ scalar(keys(%{$v1})) != scalar(keys(%{$v2})) )
+ {
+ # $out=undef;
+ }
+ else
+ {
+ $out=1;
+
+ my $key;
+ foreach $key (keys(%{$v1}))
+ {
+ if( !exists($v2->{$key}) ||
+ defined($v1->{$key}) ne defined($v2->{$key}) ||
+ ( defined($v1->{$key}) &&
+ $v1->{$key} ne $v2->{$key} ) )
+ {
+ $out=undef;
+ last;
+ }
+ }
+ }
+
+ return $out;
+}
+
package GITCVS::log;
die "Git repo '$self->{git_path}' doesn't exist" unless ( -d $self->{git_path} );
+ # Stores full sha1's for various branch/tag names, abbreviations, etc:
+ $self->{commitRefCache} = {};
+
$self->{dbdriver} = $cfg->{gitcvs}{$state->{method}}{dbdriver} ||
$cfg->{gitcvs}{dbdriver} || "SQLite";
$self->{dbname} = $cfg->{gitcvs}{$state->{method}}{dbname} ||
}
# Construct the revision table if required
+ # The revision table stores an entry for each file, each time that file
+ # changes.
+ # numberOfRecords = O( numCommits * averageNumChangedFilesPerCommit )
+ # This is not sufficient to support "-r {commithash}" for any
+ # files except files that were modified by that commit (also,
+ # some places in the code ignore/effectively strip out -r in
+ # some cases, before it gets passed to getmeta()).
+ # The "filehash" field typically has a git blob hash, but can also
+ # be set to "dead" to indicate that the given version of the file
+ # should not exist in the sandbox.
unless ( $self->{tables}{$self->tablename("revision")} )
{
my $tablename = $self->tablename("revision");
}
# Construct the head table if required
+ # The head table (along with the "last_commit" entry in the property
+ # table) is the persisted working state of the "sub update" subroutine.
+ # All of it's data is read entirely first, and completely recreated
+ # last, every time "sub update" runs.
+ # This is also used by "sub getmeta" when it is asked for the latest
+ # version of a file (as opposed to some specific version).
+ # Another way of thinking about it is as a single slice out of
+ # "revisions", giving just the most recent revision information for
+ # each file.
unless ( $self->{tables}{$self->tablename("head")} )
{
my $tablename = $self->tablename("head");
}
# Construct the properties table if required
+ # - "last_commit" - Used by "sub update".
unless ( $self->{tables}{$self->tablename("properties")} )
{
my $tablename = $self->tablename("properties");
}
# Construct the commitmsgs table if required
+ # The commitmsgs table is only used for merge commits, since
+ # "sub update" will only keep one branch of parents. Shortlogs
+ # for ignored commits (i.e. not on the chosen branch) will be used
+ # to construct a replacement "collapsed" merge commit message,
+ # which will be stored in this table. See also "sub commitmessage".
unless ( $self->{tables}{$self->tablename("commitmsgs")} )
{
my $tablename = $self->tablename("commitmsgs");
=head2 update
+Bring the database up to date with the latest changes from
+the git repository.
+
+Internal working state is read out of the "head" table and the
+"last_commit" property, then it updates "revisions" based on that, and
+finally it writes the new internal state back to the "head" table
+so it can be used as a starting point the next time update is called.
+
=cut
sub update
{
my $lastcommit = $self->_get_prop("last_commit");
if (defined $lastcommit && $lastcommit eq $commitsha1) { # up-to-date
+ # invalidate the gethead cache
+ $self->clearCommitRefCaches();
return 1;
}
push @git_log_params, $self->{module};
}
# git-rev-list is the backend / plumbing version of git-log
- open(GITLOG, '-|', 'git', 'rev-list', @git_log_params) or die "Cannot call git-rev-list: $!";
-
- my @commits;
-
- my %commit = ();
-
- while ( <GITLOG> )
- {
- chomp;
- if (m/^commit\s+(.*)$/) {
- # on ^commit lines put the just seen commit in the stack
- # and prime things for the next one
- if (keys %commit) {
- my %copy = %commit;
- unshift @commits, \%copy;
- %commit = ();
- }
- my @parents = split(m/\s+/, $1);
- $commit{hash} = shift @parents;
- $commit{parents} = \@parents;
- } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
- # on rfc822-like lines seen before we see any message,
- # lowercase the entry and put it in the hash as key-value
- $commit{lc($1)} = $2;
- } else {
- # message lines - skip initial empty line
- # and trim whitespace
- if (!exists($commit{message}) && m/^\s*$/) {
- # define it to mark the end of headers
- $commit{message} = '';
- next;
- }
- s/^\s+//; s/\s+$//; # trim ws
- $commit{message} .= $_ . "\n";
- }
- }
- close GITLOG;
-
- unshift @commits, \%commit if ( keys %commit );
+ open(my $gitLogPipe, '-|', 'git', 'rev-list', @git_log_params)
+ or die "Cannot call git-rev-list: $!";
+ my @commits=readCommits($gitLogPipe);
+ close $gitLogPipe;
# Now all the commits are in the @commits bucket
# ordered by time DESC. for each commit that needs processing,
my $commitcount = 0;
# Load the head table into $head (for cached lookups during the update process)
- foreach my $file ( @{$self->gethead()} )
+ foreach my $file ( @{$self->gethead(1)} )
{
$head->{$file->{name}} = $file;
}
next;
} elsif (@{$commit->{parents}} > 1) {
# it is a merge commit, for each parent that is
- # not $lastpicked, see if we can get a log
+ # not $lastpicked (not given a CVS revision number),
+ # see if we can get a log
# from the merge-base to that parent to put it
# in the message as a merge summary.
my @parents = @{$commit->{parents}};
foreach my $parent (@parents) {
- # git-merge-base can potentially (but rarely) throw
- # several candidate merge bases. let's assume
- # that the first one is the best one.
if ($parent eq $lastpicked) {
next;
}
+ # git-merge-base can potentially (but rarely) throw
+ # several candidate merge bases. let's assume
+ # that the first one is the best one.
my $base = eval {
safe_pipe_capture('git', 'merge-base',
$lastpicked, $parent);
}
# convert the date to CVS-happy format
- $commit->{date} = "$2 $1 $4 $3 $5" if ( $commit->{date} =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ );
+ my $cvsDate = convertToCvsDate($commit->{date});
if ( defined ( $lastpicked ) )
{
while ( <FILELIST> )
{
chomp;
- unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)$/o )
+ unless ( /^:\d{6}\s+([0-7]{6})\s+[a-f0-9]{40}\s+([a-f0-9]{40})\s+(\w)$/o )
{
die("Couldn't process git-diff-tree line : $_");
}
# $log->debug("File mode=$mode, hash=$hash, change=$change, name=$name");
- my $git_perms = "";
- $git_perms .= "r" if ( $mode & 4 );
- $git_perms .= "w" if ( $mode & 2 );
- $git_perms .= "x" if ( $mode & 1 );
- $git_perms = "rw" if ( $git_perms eq "" );
+ my $dbMode = convertToDbMode($mode);
if ( $change eq "D" )
{
revision => $head->{$name}{revision} + 1,
filehash => "deleted",
commithash => $commit->{hash},
- modified => $commit->{date},
+ modified => $cvsDate,
author => $commit->{author},
- mode => $git_perms,
+ mode => $dbMode,
};
- $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+ $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $cvsDate, $commit->{author}, $dbMode);
}
elsif ( $change eq "M" || $change eq "T" )
{
revision => $head->{$name}{revision} + 1,
filehash => $hash,
commithash => $commit->{hash},
- modified => $commit->{date},
+ modified => $cvsDate,
author => $commit->{author},
- mode => $git_perms,
+ mode => $dbMode,
};
- $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+ $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $cvsDate, $commit->{author}, $dbMode);
}
elsif ( $change eq "A" )
{
revision => $head->{$name}{revision} ? $head->{$name}{revision}+1 : 1,
filehash => $hash,
commithash => $commit->{hash},
- modified => $commit->{date},
+ modified => $cvsDate,
author => $commit->{author},
- mode => $git_perms,
+ mode => $dbMode,
};
- $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+ $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $cvsDate, $commit->{author}, $dbMode);
}
else
{
die("Couldn't process git-ls-tree line : $_");
}
- my ( $git_perms, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
+ my ( $mode, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
$seen_files->{$git_filename} = 1;
$head->{$git_filename}{mode}
);
- if ( $git_perms =~ /^\d\d\d(\d)\d\d/o )
- {
- $git_perms = "";
- $git_perms .= "r" if ( $1 & 4 );
- $git_perms .= "w" if ( $1 & 2 );
- $git_perms .= "x" if ( $1 & 1 );
- } else {
- $git_perms = "rw";
- }
+ my $dbMode = convertToDbMode($mode);
# unless the file exists with the same hash, we need to update it ...
- unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $git_perms )
+ unless ( defined($oldhash) and $oldhash eq $git_hash and defined($oldmode) and $oldmode eq $dbMode )
{
my $newrevision = ( $oldrevision or 0 ) + 1;
revision => $newrevision,
filehash => $git_hash,
commithash => $commit->{hash},
- modified => $commit->{date},
+ modified => $cvsDate,
author => $commit->{author},
- mode => $git_perms,
+ mode => $dbMode,
};
- $self->insert_rev($git_filename, $newrevision, $git_hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+ $self->insert_rev($git_filename, $newrevision, $git_hash, $commit->{hash}, $cvsDate, $commit->{author}, $dbMode);
}
}
close FILELIST;
$head->{$file}{revision}++;
$head->{$file}{filehash} = "deleted";
$head->{$file}{commithash} = $commit->{hash};
- $head->{$file}{modified} = $commit->{date};
+ $head->{$file}{modified} = $cvsDate;
$head->{$file}{author} = $commit->{author};
- $self->insert_rev($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $commit->{date}, $commit->{author}, $head->{$file}{mode});
+ $self->insert_rev($file, $head->{$file}{revision}, $head->{$file}{filehash}, $commit->{hash}, $cvsDate, $commit->{author}, $head->{$file}{mode});
}
}
# END : "Detect deleted files"
);
}
# invalidate the gethead cache
- $self->{gethead_cache} = undef;
+ $self->clearCommitRefCaches();
# Ending exclusive lock here
$self->{dbh}->commit() or die "Failed to commit changes to SQLite";
}
-sub insert_rev
+sub readCommits
{
- my $self = shift;
- my $name = shift;
- my $revision = shift;
- my $filehash = shift;
- my $commithash = shift;
- my $modified = shift;
- my $author = shift;
- my $mode = shift;
- my $tablename = $self->tablename("revision");
+ my $pipeHandle = shift;
+ my @commits;
- my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO $tablename (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
- $insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
-}
+ my %commit = ();
-sub insert_mergelog
-{
- my $self = shift;
- my $key = shift;
- my $value = shift;
- my $tablename = $self->tablename("commitmsgs");
+ while ( <$pipeHandle> )
+ {
+ chomp;
+ if (m/^commit\s+(.*)$/) {
+ # on ^commit lines put the just seen commit in the stack
+ # and prime things for the next one
+ if (keys %commit) {
+ my %copy = %commit;
+ unshift @commits, \%copy;
+ %commit = ();
+ }
+ my @parents = split(m/\s+/, $1);
+ $commit{hash} = shift @parents;
+ $commit{parents} = \@parents;
+ } elsif (m/^(\w+?):\s+(.*)$/ && !exists($commit{message})) {
+ # on rfc822-like lines seen before we see any message,
+ # lowercase the entry and put it in the hash as key-value
+ $commit{lc($1)} = $2;
+ } else {
+ # message lines - skip initial empty line
+ # and trim whitespace
+ if (!exists($commit{message}) && m/^\s*$/) {
+ # define it to mark the end of headers
+ $commit{message} = '';
+ next;
+ }
+ s/^\s+//; s/\s+$//; # trim ws
+ $commit{message} .= $_ . "\n";
+ }
+ }
+
+ unshift @commits, \%commit if ( keys %commit );
+
+ return @commits;
+}
+
+sub convertToCvsDate
+{
+ my $date = shift;
+ # Convert from: "git rev-list --pretty" formatted date
+ # Convert to: "the format specified by RFC822 as modified by RFC1123."
+ # Example: 26 May 1997 13:01:40 -0400
+ if( $date =~ /^\w+\s+(\w+)\s+(\d+)\s+(\d+:\d+:\d+)\s+(\d+)\s+([+-]\d+)$/ )
+ {
+ $date = "$2 $1 $4 $3 $5";
+ }
+
+ return $date;
+}
+
+sub convertToDbMode
+{
+ my $mode = shift;
+
+ # NOTE: The CVS protocol uses a string similar "u=rw,g=rw,o=rw",
+ # but the database "mode" column historically (and currently)
+ # only stores the "rw" (for user) part of the string.
+ # FUTURE: It might make more sense to persist the raw
+ # octal mode (or perhaps the final full CVS form) instead of
+ # this half-converted form, but it isn't currently worth the
+ # backwards compatibility headaches.
+
+ $mode=~/^\d\d(\d)\d{3}$/;
+ my $userBits=$1;
+
+ my $dbMode = "";
+ $dbMode .= "r" if ( $userBits & 4 );
+ $dbMode .= "w" if ( $userBits & 2 );
+ $dbMode .= "x" if ( $userBits & 1 );
+ $dbMode = "rw" if ( $dbMode eq "" );
+
+ return $dbMode;
+}
+
+sub insert_rev
+{
+ my $self = shift;
+ my $name = shift;
+ my $revision = shift;
+ my $filehash = shift;
+ my $commithash = shift;
+ my $modified = shift;
+ my $author = shift;
+ my $mode = shift;
+ my $tablename = $self->tablename("revision");
+
+ my $insert_rev = $self->{dbh}->prepare_cached("INSERT INTO $tablename (name, revision, filehash, commithash, modified, author, mode) VALUES (?,?,?,?,?,?,?)",{},1);
+ $insert_rev->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
+}
+
+sub insert_mergelog
+{
+ my $self = shift;
+ my $key = shift;
+ my $value = shift;
+ my $tablename = $self->tablename("commitmsgs");
my $insert_mergelog = $self->{dbh}->prepare_cached("INSERT INTO $tablename (key, value) VALUES (?,?)",{},1);
$insert_mergelog->execute($key, $value);
$insert_head->execute($name, $revision, $filehash, $commithash, $modified, $author, $mode);
}
-sub _headrev
-{
- my $self = shift;
- my $filename = shift;
- my $tablename = $self->tablename("head");
-
- my $db_query = $self->{dbh}->prepare_cached("SELECT filehash, revision, mode FROM $tablename WHERE name=?",{},1);
- $db_query->execute($filename);
- my ( $hash, $revision, $mode ) = $db_query->fetchrow_array;
-
- return ( $hash, $revision, $mode );
-}
-
sub _get_prop
{
my $self = shift;
sub gethead
{
my $self = shift;
+ my $intRev = shift;
my $tablename = $self->tablename("head");
return $self->{gethead_cache} if ( defined ( $self->{gethead_cache} ) );
my $tree = [];
while ( my $file = $db_query->fetchrow_hashref )
{
+ if(!$intRev)
+ {
+ $file->{revision} = "1.$file->{revision}"
+ }
push @$tree, $file;
}
return $tree;
}
+=head2 getAnyHead
+
+Returns a reference to an array of getmeta structures, one
+per file in the specified tree hash.
+
+=cut
+
+sub getAnyHead
+{
+ my ($self,$hash) = @_;
+
+ if(!defined($hash))
+ {
+ return $self->gethead();
+ }
+
+ my @files;
+ {
+ open(my $filePipe, '-|', 'git', 'ls-tree', '-z', '-r', $hash)
+ or die("Cannot call git-ls-tree : $!");
+ local $/ = "\0";
+ @files=<$filePipe>;
+ close $filePipe;
+ }
+
+ my $tree=[];
+ my($line);
+ foreach $line (@files)
+ {
+ $line=~s/\0$//;
+ unless ( $line=~/^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
+ {
+ die("Couldn't process git-ls-tree line : $_");
+ }
+
+ my($mode, $git_type, $git_hash, $git_filename) = ($1, $2, $3, $4);
+ push @$tree, $self->getMetaFromCommithash($git_filename,$hash);
+ }
+
+ return $tree;
+}
+
+=head2 getRevisionDirMap
+
+A "revision dir map" contains all the plain-file filenames associated
+with a particular revision (treeish), organized by directory:
+
+ $type = $out->{$dir}{$fullName}
+
+The type of each is "F" (for ordinary file) or "D" (for directory,
+for which the map $out->{$fullName} will also exist).
+
+=cut
+
+sub getRevisionDirMap
+{
+ my ($self,$ver)=@_;
+
+ if(!defined($self->{revisionDirMapCache}))
+ {
+ $self->{revisionDirMapCache}={};
+ }
+
+ # Get file list (previously cached results are dependent on HEAD,
+ # but are early in each case):
+ my $cacheKey;
+ my (@fileList);
+ if( !defined($ver) || $ver eq "" )
+ {
+ $cacheKey="";
+ if( defined($self->{revisionDirMapCache}{$cacheKey}) )
+ {
+ return $self->{revisionDirMapCache}{$cacheKey};
+ }
+
+ my @head = @{$self->gethead()};
+ foreach my $file ( @head )
+ {
+ next if ( $file->{filehash} eq "deleted" );
+
+ push @fileList,$file->{name};
+ }
+ }
+ else
+ {
+ my ($hash)=$self->lookupCommitRef($ver);
+ if( !defined($hash) )
+ {
+ return undef;
+ }
+
+ $cacheKey=$hash;
+ if( defined($self->{revisionDirMapCache}{$cacheKey}) )
+ {
+ return $self->{revisionDirMapCache}{$cacheKey};
+ }
+
+ open(my $filePipe, '-|', 'git', 'ls-tree', '-z', '-r', $hash)
+ or die("Cannot call git-ls-tree : $!");
+ local $/ = "\0";
+ while ( <$filePipe> )
+ {
+ chomp;
+ unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
+ {
+ die("Couldn't process git-ls-tree line : $_");
+ }
+
+ my($mode, $git_type, $git_hash, $git_filename) = ($1, $2, $3, $4);
+
+ push @fileList, $git_filename;
+ }
+ close $filePipe;
+ }
+
+ # Convert to normalized form:
+ my %revMap;
+ my $file;
+ foreach $file (@fileList)
+ {
+ my($dir) = ($file=~m%^(?:(.*)/)?([^/]*)$%);
+ $dir='' if(!defined($dir));
+
+ # parent directories:
+ # ... create empty dir maps for parent dirs:
+ my($td)=$dir;
+ while(!defined($revMap{$td}))
+ {
+ $revMap{$td}={};
+
+ my($tp)=($td=~m%^(?:(.*)/)?([^/]*)$%);
+ $tp='' if(!defined($tp));
+ $td=$tp;
+ }
+ # ... add children to parent maps (now that they exist):
+ $td=$dir;
+ while($td ne "")
+ {
+ my($tp)=($td=~m%^(?:(.*)/)?([^/]*)$%);
+ $tp='' if(!defined($tp));
+
+ if(defined($revMap{$tp}{$td}))
+ {
+ if($revMap{$tp}{$td} ne 'D')
+ {
+ die "Weird file/directory inconsistency in $cacheKey";
+ }
+ last; # loop exit
+ }
+ $revMap{$tp}{$td}='D';
+
+ $td=$tp;
+ }
+
+ # file
+ $revMap{$dir}{$file}='F';
+ }
+
+ # Save in cache:
+ $self->{revisionDirMapCache}{$cacheKey}=\%revMap;
+ return $self->{revisionDirMapCache}{$cacheKey};
+}
+
=head2 getlog
+See also gethistorydense().
+
=cut
sub getlog
{
my $self = shift;
my $filename = shift;
+ my $revFilter = shift;
+
my $tablename = $self->tablename("revision");
+ # Filters:
+ # TODO: date, state, or by specific logins filters?
+ # TODO: Handle comma-separated list of revFilter items, each item
+ # can be a range [only case currently handled] or individual
+ # rev or branch or "branch.".
+ # TODO: Adjust $db_query WHERE clause based on revFilter, instead of
+ # manually filtering the results of the query?
+ my ( $minrev, $maxrev );
+ if( defined($revFilter) and
+ $state->{opt}{r} =~ /^(1.(\d+))?(::?)(1.(\d.+))?$/ )
+ {
+ my $control = $3;
+ $minrev = $2;
+ $maxrev = $5;
+ $minrev++ if ( defined($minrev) and $control eq "::" );
+ }
+
my $db_query = $self->{dbh}->prepare_cached("SELECT name, filehash, author, mode, revision, modified, commithash FROM $tablename WHERE name=? ORDER BY revision DESC",{},1);
$db_query->execute($filename);
+ my $totalRevs=0;
my $tree = [];
while ( my $file = $db_query->fetchrow_hashref )
{
+ $totalRevs++;
+ if( defined($minrev) and $file->{revision} < $minrev )
+ {
+ next;
+ }
+ if( defined($maxrev) and $file->{revision} > $maxrev )
+ {
+ next;
+ }
+
+ $file->{revision} = "1." . $file->{revision};
push @$tree, $file;
}
- return $tree;
+ return ($tree,$totalRevs);
}
=head2 getmeta
This function takes a filename (with path) argument and returns a hashref of
metadata for that file.
+There are several ways $revision can be specified:
+
+ - A reference to hash that contains a "tag" that is the
+ actual revision (one of the below). TODO: Also allow it to
+ specify a "date" in the hash.
+ - undef, to refer to the latest version on the main branch.
+ - Full CVS client revision number (mapped to integer in DB, without the
+ "1." prefix),
+ - Complex CVS-compatible "special" revision number for
+ non-linear history (see comment below)
+ - git commit sha1 hash
+ - branch or tag name
+
=cut
sub getmeta
my $tablename_rev = $self->tablename("revision");
my $tablename_head = $self->tablename("head");
- my $db_query;
- if ( defined($revision) and $revision =~ /^\d+$/ )
+ if ( ref($revision) eq "HASH" )
{
- $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_rev WHERE name=? AND revision=?",{},1);
- $db_query->execute($filename, $revision);
+ $revision = $revision->{tag};
}
- elsif ( defined($revision) and $revision =~ /^[a-zA-Z0-9]{40}$/ )
+
+ # Overview of CVS revision numbers:
+ #
+ # General CVS numbering scheme:
+ # - Basic mainline branch numbers: "1.1", "1.2", "1.3", etc.
+ # - Result of "cvs checkin -r" (possible, but not really
+ # recommended): "2.1", "2.2", etc
+ # - Branch tag: "1.2.0.n", where "1.2" is revision it was branched
+ # from, "0" is a magic placeholder that identifies it as a
+ # branch tag instead of a version tag, and n is 2 times the
+ # branch number off of "1.2", starting with "2".
+ # - Version on a branch: "1.2.n.x", where "1.2" is branch-from, "n"
+ # is branch number off of "1.2" (like n above), and "x" is
+ # the version number on the branch.
+ # - Branches can branch off of branches: "1.3.2.7.4.1" (even number
+ # of components).
+ # - Odd "n"s are used by "vendor branches" that result
+ # from "cvs import". Vendor branches have additional
+ # strangeness in the sense that the main rcs "head" of the main
+ # branch will (temporarily until first normal commit) point
+ # to the version on the vendor branch, rather than the actual
+ # main branch. (FUTURE: This may provide an opportunity
+ # to use "strange" revision numbers for fast-forward-merged
+ # branch tip when CVS client is asking for the main branch.)
+ #
+ # git-cvsserver CVS-compatible special numbering schemes:
+ # - Currently git-cvsserver only tries to be identical to CVS for
+ # simple "1.x" numbers on the "main" branch (as identified
+ # by the module name that was originally cvs checkout'ed).
+ # - The database only stores the "x" part, for historical reasons.
+ # But most of the rest of the cvsserver preserves
+ # and thinks using the full revision number.
+ # - To handle non-linear history, it uses a version of the form
+ # "2.1.1.2000.b.b.b."..., where the 2.1.1.2000 is to help uniquely
+ # identify this as a special revision number, and there are
+ # 20 b's that together encode the sha1 git commit from which
+ # this version of this file originated. Each b is
+ # the numerical value of the corresponding byte plus
+ # 100.
+ # - "plus 100" avoids "0"s, and also reduces the
+ # likelyhood of a collision in the case that someone someday
+ # writes an import tool that tries to preserve original
+ # CVS revision numbers, and the original CVS data had done
+ # lots of branches off of branches and other strangeness to
+ # end up with a real version number that just happens to look
+ # like this special revision number form. Also, if needed
+ # there are several ways to extend/identify alternative encodings
+ # within the "2.1.1.2000" part if necessary.
+ # - Unlike real CVS revisions, you can't really reconstruct what
+ # relation a revision of this form has to other revisions.
+ # - FUTURE: TODO: Rework database somehow to make up and remember
+ # fully-CVS-compatible branches and branch version numbers.
+
+ my $meta;
+ if ( defined($revision) )
{
- $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_rev WHERE name=? AND commithash=?",{},1);
- $db_query->execute($filename, $revision);
- } else {
- $db_query = $self->{dbh}->prepare_cached("SELECT * FROM $tablename_head WHERE name=?",{},1);
+ if ( $revision =~ /^1\.(\d+)$/ )
+ {
+ my ($intRev) = $1;
+ my $db_query;
+ $db_query = $self->{dbh}->prepare_cached(
+ "SELECT * FROM $tablename_rev WHERE name=? AND revision=?",
+ {},1);
+ $db_query->execute($filename, $intRev);
+ $meta = $db_query->fetchrow_hashref;
+ }
+ elsif ( $revision =~ /^2\.1\.1\.2000(\.[1-3][0-9][0-9]){20}$/ )
+ {
+ my ($commitHash)=($revision=~/^2\.1\.1\.2000(.*)$/);
+ $commitHash=~s/\.([0-9]+)/sprintf("%02x",$1-100)/eg;
+ if($commitHash=~/^[0-9a-f]{40}$/)
+ {
+ return $self->getMetaFromCommithash($filename,$commitHash);
+ }
+
+ # error recovery: fall back on head version below
+ print "E Failed to find $filename version=$revision or commit=$commitHash\n";
+ $log->warning("failed get $revision with commithash=$commitHash");
+ undef $revision;
+ }
+ elsif ( $revision =~ /^[0-9a-f]{40}$/ )
+ {
+ # Try DB first. This is mostly only useful for req_annotate(),
+ # which only calls this for stuff that should already be in
+ # the DB. It is fairly likely to be a waste of time
+ # in most other cases [unless the file happened to be
+ # modified in $revision specifically], but
+ # it is probably in the noise compared to how long
+ # getMetaFromCommithash() will take.
+ my $db_query;
+ $db_query = $self->{dbh}->prepare_cached(
+ "SELECT * FROM $tablename_rev WHERE name=? AND commithash=?",
+ {},1);
+ $db_query->execute($filename, $revision);
+ $meta = $db_query->fetchrow_hashref;
+
+ if(! $meta)
+ {
+ my($revCommit)=$self->lookupCommitRef($revision);
+ if($revCommit=~/^[0-9a-f]{40}$/)
+ {
+ return $self->getMetaFromCommithash($filename,$revCommit);
+ }
+
+ # error recovery: nothing found:
+ print "E Failed to find $filename version=$revision\n";
+ $log->warning("failed get $revision");
+ return $meta;
+ }
+ }
+ else
+ {
+ my($revCommit)=$self->lookupCommitRef($revision);
+ if($revCommit=~/^[0-9a-f]{40}$/)
+ {
+ return $self->getMetaFromCommithash($filename,$revCommit);
+ }
+
+ # error recovery: fall back on head version below
+ print "E Failed to find $filename version=$revision\n";
+ $log->warning("failed get $revision");
+ undef $revision; # Allow fallback
+ }
+ }
+
+ if(!defined($revision))
+ {
+ my $db_query;
+ $db_query = $self->{dbh}->prepare_cached(
+ "SELECT * FROM $tablename_head WHERE name=?",{},1);
$db_query->execute($filename);
+ $meta = $db_query->fetchrow_hashref;
+ }
+
+ if($meta)
+ {
+ $meta->{revision} = "1.$meta->{revision}";
+ }
+ return $meta;
+}
+
+sub getMetaFromCommithash
+{
+ my $self = shift;
+ my $filename = shift;
+ my $revCommit = shift;
+
+ # NOTE: This function doesn't scale well (lots of forks), especially
+ # if you have many files that have not been modified for many commits
+ # (each git-rev-parse redoes a lot of work for each file
+ # that theoretically could be done in parallel by smarter
+ # graph traversal).
+ #
+ # TODO: Possible optimization strategies:
+ # - Solve the issue of assigning and remembering "real" CVS
+ # revision numbers for branches, and ensure the
+ # data structure can do this efficiently. Perhaps something
+ # similar to "git notes", and carefully structured to take
+ # advantage same-sha1-is-same-contents, to roll the same
+ # unmodified subdirectory data onto multiple commits?
+ # - Write and use a C tool that is like git-blame, but
+ # operates on multiple files with file granularity, instead
+ # of one file with line granularity. Cache
+ # most-recently-modified in $self->{commitRefCache}{$revCommit}.
+ # Try to be intelligent about how many files we do with
+ # one fork (perhaps one directory at a time, without recursion,
+ # and/or include directory as one line item, recurse from here
+ # instead of in C tool?).
+ # - Perhaps we could ask the DB for (filename,fileHash),
+ # and just guess that it is correct (that the file hadn't
+ # changed between $revCommit and the found commit, then
+ # changed back, confusing anything trying to interpret
+ # history). Probably need to add another index to revisions
+ # DB table for this.
+ # - NOTE: Trying to store all (commit,file) keys in DB [to
+ # find "lastModfiedCommit] (instead of
+ # just files that changed in each commit as we do now) is
+ # probably not practical from a disk space perspective.
+
+ # Does the file exist in $revCommit?
+ # TODO: Include file hash in dirmap cache.
+ my($dirMap)=$self->getRevisionDirMap($revCommit);
+ my($dir,$file)=($filename=~m%^(?:(.*)/)?([^/]*$)%);
+ if(!defined($dir))
+ {
+ $dir="";
+ }
+ if( !defined($dirMap->{$dir}) ||
+ !defined($dirMap->{$dir}{$filename}) )
+ {
+ my($fileHash)="deleted";
+
+ my($retVal)={};
+ $retVal->{name}=$filename;
+ $retVal->{filehash}=$fileHash;
+
+ # not needed and difficult to compute:
+ $retVal->{revision}="0"; # $revision;
+ $retVal->{commithash}=$revCommit;
+ #$retVal->{author}=$commit->{author};
+ #$retVal->{modified}=convertToCvsDate($commit->{date});
+ #$retVal->{mode}=convertToDbMode($mode);
+
+ return $retVal;
+ }
+
+ my($fileHash)=safe_pipe_capture("git","rev-parse","$revCommit:$filename");
+ chomp $fileHash;
+ if(!($fileHash=~/^[0-9a-f]{40}$/))
+ {
+ die "Invalid fileHash '$fileHash' looking up"
+ ." '$revCommit:$filename'\n";
+ }
+
+ # information about most recent commit to modify $filename:
+ open(my $gitLogPipe, '-|', 'git', 'rev-list',
+ '--max-count=1', '--pretty', '--parents',
+ $revCommit, '--', $filename)
+ or die "Cannot call git-rev-list: $!";
+ my @commits=readCommits($gitLogPipe);
+ close $gitLogPipe;
+ if(scalar(@commits)!=1)
+ {
+ die "Can't find most recent commit changing $filename\n";
+ }
+ my($commit)=$commits[0];
+ if( !defined($commit) || !defined($commit->{hash}) )
+ {
+ return undef;
+ }
+
+ # does this (commit,file) have a real assigned CVS revision number?
+ my $tablename_rev = $self->tablename("revision");
+ my $db_query;
+ $db_query = $self->{dbh}->prepare_cached(
+ "SELECT * FROM $tablename_rev WHERE name=? AND commithash=?",
+ {},1);
+ $db_query->execute($filename, $commit->{hash});
+ my($meta)=$db_query->fetchrow_hashref;
+ if($meta)
+ {
+ $meta->{revision} = "1.$meta->{revision}";
+ return $meta;
+ }
+
+ # fall back on special revision number
+ my($revision)=$commit->{hash};
+ $revision=~s/(..)/'.' . (hex($1)+100)/eg;
+ $revision="2.1.1.2000$revision";
+
+ # meta data about $filename:
+ open(my $filePipe, '-|', 'git', 'ls-tree', '-z',
+ $commit->{hash}, '--', $filename)
+ or die("Cannot call git-ls-tree : $!");
+ local $/ = "\0";
+ my $line;
+ $line=<$filePipe>;
+ if(defined(<$filePipe>))
+ {
+ die "Expected only a single file for git-ls-tree $filename\n";
+ }
+ close $filePipe;
+
+ chomp $line;
+ unless ( $line=~m/^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
+ {
+ die("Couldn't process git-ls-tree line : $line\n");
+ }
+ my ( $mode, $git_type, $git_hash, $git_filename ) = ( $1, $2, $3, $4 );
+
+ # save result:
+ my($retVal)={};
+ $retVal->{name}=$filename;
+ $retVal->{revision}=$revision;
+ $retVal->{filehash}=$fileHash;
+ $retVal->{commithash}=$revCommit;
+ $retVal->{author}=$commit->{author};
+ $retVal->{modified}=convertToCvsDate($commit->{date});
+ $retVal->{mode}=convertToDbMode($mode);
+
+ return $retVal;
+}
+
+=head2 lookupCommitRef
+
+Convert tag/branch/abbreviation/etc into a commit sha1 hash. Caches
+the result so looking it up again is fast.
+
+=cut
+
+sub lookupCommitRef
+{
+ my $self = shift;
+ my $ref = shift;
+
+ my $commitHash = $self->{commitRefCache}{$ref};
+ if(defined($commitHash))
+ {
+ return $commitHash;
}
- return $db_query->fetchrow_hashref;
+ $commitHash=safe_pipe_capture("git","rev-parse","--verify","--quiet",
+ $self->unescapeRefName($ref));
+ $commitHash=~s/\s*$//;
+ if(!($commitHash=~/^[0-9a-f]{40}$/))
+ {
+ $commitHash=undef;
+ }
+
+ if( defined($commitHash) )
+ {
+ my $type=safe_pipe_capture("git","cat-file","-t",$commitHash);
+ if( ! ($type=~/^commit\s*$/ ) )
+ {
+ $commitHash=undef;
+ }
+ }
+ if(defined($commitHash))
+ {
+ $self->{commitRefCache}{$ref}=$commitHash;
+ }
+ return $commitHash;
+}
+
+=head2 clearCommitRefCaches
+
+Clears cached commit cache (sha1's for various tags/abbeviations/etc),
+and related caches.
+
+=cut
+
+sub clearCommitRefCaches
+{
+ my $self = shift;
+ $self->{commitRefCache} = {};
+ $self->{revisionDirMapCache} = undef;
+ $self->{gethead_cache} = undef;
}
=head2 commitmessage
return $message;
}
-=head2 gethistory
+=head2 gethistorydense
This function takes a filename (with path) argument and returns an arrayofarrays
-containing revision,filehash,commithash ordered by revision descending
+containing revision,filehash,commithash ordered by revision descending.
+
+This version of gethistory skips deleted entries -- so it is useful for annotate.
+The 'dense' part is a reference to a '--dense' option available for git-rev-list
+and other git tools that depend on it.
+
+See also getlog().
=cut
-sub gethistory
+sub gethistorydense
{
my $self = shift;
my $filename = shift;
my $tablename = $self->tablename("revision");
my $db_query;
- $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? ORDER BY revision DESC",{},1);
+ $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
$db_query->execute($filename);
- return $db_query->fetchall_arrayref;
+ my $result = $db_query->fetchall_arrayref;
+
+ my $i;
+ for($i=0 ; $i<scalar(@$result) ; $i++)
+ {
+ $result->[$i][0]="1." . $result->[$i][0];
+ }
+
+ return $result;
}
-=head2 gethistorydense
+=head2 escapeRefName
-This function takes a filename (with path) argument and returns an arrayofarrays
-containing revision,filehash,commithash ordered by revision descending.
+Apply an escape mechanism to compensate for characters that
+git ref names can have that CVS tags can not.
-This version of gethistory skips deleted entries -- so it is useful for annotate.
-The 'dense' part is a reference to a '--dense' option available for git-rev-list
-and other git tools that depend on it.
+=cut
+sub escapeRefName
+{
+ my($self,$refName)=@_;
+
+ # CVS officially only allows [-_A-Za-z0-9] in tag names (or in
+ # many contexts it can also be a CVS revision number).
+ #
+ # Git tags commonly use '/' and '.' as well, but also handle
+ # anything else just in case:
+ #
+ # = "_-s-" For '/'.
+ # = "_-p-" For '.'.
+ # = "_-u-" For underscore, in case someone wants a literal "_-" in
+ # a tag name.
+ # = "_-xx-" Where "xx" is the hexadecimal representation of the
+ # desired ASCII character byte. (for anything else)
+
+ if(! $refName=~/^[1-9][0-9]*(\.[1-9][0-9]*)*$/)
+ {
+ $refName=~s/_-/_-u--/g;
+ $refName=~s/\./_-p-/g;
+ $refName=~s%/%_-s-%g;
+ $refName=~s/[^-_a-zA-Z0-9]/sprintf("_-%02x-",$1)/eg;
+ }
+}
+
+=head2 unescapeRefName
+
+Undo an escape mechanism to compensate for characters that
+git ref names can have that CVS tags can not.
=cut
-sub gethistorydense
+sub unescapeRefName
{
- my $self = shift;
- my $filename = shift;
- my $tablename = $self->tablename("revision");
+ my($self,$refName)=@_;
- my $db_query;
- $db_query = $self->{dbh}->prepare_cached("SELECT revision, filehash, commithash FROM $tablename WHERE name=? AND filehash!='deleted' ORDER BY revision DESC",{},1);
- $db_query->execute($filename);
+ # see escapeRefName() for description of escape mechanism.
+
+ $refName=~s/_-([spu]|[0-9a-f][0-9a-f])-/unescapeRefNameChar($1)/eg;
+
+ # allowed tag names
+ # TODO: Perhaps use git check-ref-format, with an in-process cache of
+ # validated names?
+ if( !( $refName=~m%^[^-][-a-zA-Z0-9_/.]*$% ) ||
+ ( $refName=~m%[/.]$% ) ||
+ ( $refName=~/\.lock$/ ) ||
+ ( $refName=~m%\.\.|/\.|[[\\:?*~]|\@\{% ) ) # matching }
+ {
+ # Error:
+ $log->warn("illegal refName: $refName");
+ $refName=undef;
+ }
+ return $refName;
+}
+
+sub unescapeRefNameChar
+{
+ my($char)=@_;
+
+ if($char eq "s")
+ {
+ $char="/";
+ }
+ elsif($char eq "p")
+ {
+ $char=".";
+ }
+ elsif($char eq "u")
+ {
+ $char="_";
+ }
+ elsif($char=~/^[0-9a-f][0-9a-f]$/)
+ {
+ $char=chr(hex($char));
+ }
+ else
+ {
+ # Error case: Maybe it has come straight from user, and
+ # wasn't supposed to be escaped? Restore it the way we got it:
+ $char="_-$char-";
+ }
- return $db_query->fetchall_arrayref;
+ return $char;
}
=head2 in_array()