diff options
Diffstat (limited to 'git-cvsserver.perl')
| -rwxr-xr-x | git-cvsserver.perl | 171 |
1 files changed, 169 insertions, 2 deletions
diff --git a/git-cvsserver.perl b/git-cvsserver.perl index 16e2e1ff96..53d8de7f8b 100755 --- a/git-cvsserver.perl +++ b/git-cvsserver.perl @@ -60,6 +60,7 @@ my $methods = { 'Valid-responses' => \&req_Validresponses, 'valid-requests' => \&req_validrequests, 'Directory' => \&req_Directory, + 'Sticky' => \&req_Sticky, 'Entry' => \&req_Entry, 'Modified' => \&req_Modified, 'Unchanged' => \&req_Unchanged, @@ -470,11 +471,19 @@ sub req_Directory { $log->info("Setting prepend to '$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} ) ) @@ -482,9 +491,60 @@ sub req_Directory $log->debug("Prepending '$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 @@ -511,6 +571,8 @@ sub req_Entry tag_or_date => $data[5], }; + $state->{dirMap}{$state->{directory}}{names}{$data[1]} = 'F'; + $log->info("Received entry line '$data' => '" . $state->{directory} . $data[1] . "'"); } @@ -2213,6 +2275,110 @@ sub argsfromdir } } + +## look up directory sticky tag, of either fullPath or a parent: +sub getDirStickyInfo +{ + my($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}; + } +} + +# 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) }; + + # 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 + { + 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 { @@ -2220,6 +2386,7 @@ sub statecleanup $state->{args} = []; $state->{arguments} = []; $state->{entries} = {}; + $state->{dirMap} = {}; } # Return working directory CVS revision "1.X" out |