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authorMatthew Ogilvie <mmogilvi_git@miniinfo.net>2012-10-13 23:42:28 -0600
committerJunio C Hamano <gitster@pobox.com>2012-10-16 16:17:52 -0700
commiteb5dcb2c0290aa0cdbbd3f6c9ddfa77f251deacf (patch)
tree3902c05e99a713bd0fc2618f0741840ac1ea049b
parent658b57ad523e0108bafe5f5d56dbb99c0f3ef95c (diff)
downloadgit-eb5dcb2c0290aa0cdbbd3f6c9ddfa77f251deacf.tar.gz
cvsserver: implement req_Sticky and related utilities
Nothing sets sticky yet, or uses the values set by this, but soon... Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rwxr-xr-xgit-cvsserver.perl171
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