git-branch -D: make it work even when on a yet-to-be-born branch

diff --git a/git-cvsserver.perl b/git-cvsserver.perl
index 4de50d029d908698687ebd07d24745bda33e89f2..ca519b7e49a0b2cc5104f71459fe621041382f19 100755 (executable)
--- a/git-cvsserver.perl
+++ b/git-cvsserver.perl
@@ -275,7 +275,7 @@ sub req_Directory
     $state->{directory} = "" if ( $state->{directory} eq "." );
     $state->{directory} .= "/" if ( $state->{directory} =~ /\S/ );
 
-    if ( not defined($state->{prependdir}) and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
+    if ( (not defined($state->{prependdir}) or $state->{prependdir} eq '') and $state->{localdir} eq "." and $state->{path} =~ /\S/ )
     {
         $log->info("Setting prepend to '$state->{path}'");
         $state->{prependdir} = $state->{path};
@@ -2118,9 +2118,17 @@ sub new
                 mode       TEXT NOT NULL
             )
         ");
+        $self->{dbh}->do("
+            CREATE INDEX revision_ix1
+            ON revision (name,revision)
+        ");
+        $self->{dbh}->do("
+            CREATE INDEX revision_ix2
+            ON revision (name,commithash)
+        ");
     }
 
-    # Construct the revision table if required
+    # Construct the head table if required
     unless ( $self->{tables}{head} )
     {
         $self->{dbh}->do("
@@ -2134,6 +2142,10 @@ sub new
                 mode       TEXT NOT NULL
             )
         ");
+        $self->{dbh}->do("
+            CREATE INDEX head_ix1
+            ON head (name)
+        ");
     }
 
     # Construct the properties table if required
@@ -2331,67 +2343,72 @@ sub update
 
         if ( defined ( $lastpicked ) )
         {
-            my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
+            my $filepipe = open(FILELIST, '-|', 'git-diff-tree', '-z', '-r', $lastpicked, $commit->{hash}) or die("Cannot call git-diff-tree : $!");
+           local ($/) = "\0";
             while ( <FILELIST> )
             {
-                unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)\s+(.*)$/o )
+               chomp;
+                unless ( /^:\d{6}\s+\d{3}(\d)\d{2}\s+[a-zA-Z0-9]{40}\s+([a-zA-Z0-9]{40})\s+(\w)$/o )
                 {
                     die("Couldn't process git-diff-tree line : $_");
                 }
+               my ($mode, $hash, $change) = ($1, $2, $3);
+               my $name = <FILELIST>;
+               chomp($name);
 
-                # $log->debug("File mode=$1, hash=$2, change=$3, name=$4");
+                # $log->debug("File mode=$mode, hash=$hash, change=$change, name=$name");
 
                 my $git_perms = "";
-                $git_perms .= "r" if ( $1 & 4 );
-                $git_perms .= "w" if ( $1 & 2 );
-                $git_perms .= "x" if ( $1 & 1 );
+                $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 "" );
 
-                if ( $3 eq "D" )
+                if ( $change eq "D" )
                 {
-                    #$log->debug("DELETE   $4");
-                    $head->{$4} = {
-                        name => $4,
-                        revision => $head->{$4}{revision} + 1,
+                    #$log->debug("DELETE   $name");
+                    $head->{$name} = {
+                        name => $name,
+                        revision => $head->{$name}{revision} + 1,
                         filehash => "deleted",
                         commithash => $commit->{hash},
                         modified => $commit->{date},
                         author => $commit->{author},
                         mode => $git_perms,
                     };
-                    $self->insert_rev($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+                    $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
                 }
-                elsif ( $3 eq "M" )
+                elsif ( $change eq "M" )
                 {
-                    #$log->debug("MODIFIED $4");
-                    $head->{$4} = {
-                        name => $4,
-                        revision => $head->{$4}{revision} + 1,
-                        filehash => $2,
+                    #$log->debug("MODIFIED $name");
+                    $head->{$name} = {
+                        name => $name,
+                        revision => $head->{$name}{revision} + 1,
+                        filehash => $hash,
                         commithash => $commit->{hash},
                         modified => $commit->{date},
                         author => $commit->{author},
                         mode => $git_perms,
                     };
-                    $self->insert_rev($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+                    $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
                 }
-                elsif ( $3 eq "A" )
+                elsif ( $change eq "A" )
                 {
-                    #$log->debug("ADDED    $4");
-                    $head->{$4} = {
-                        name => $4,
+                    #$log->debug("ADDED    $name");
+                    $head->{$name} = {
+                        name => $name,
                         revision => 1,
-                        filehash => $2,
+                        filehash => $hash,
                         commithash => $commit->{hash},
                         modified => $commit->{date},
                         author => $commit->{author},
                         mode => $git_perms,
                     };
-                    $self->insert_rev($4, $head->{$4}{revision}, $2, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
+                    $self->insert_rev($name, $head->{$name}{revision}, $hash, $commit->{hash}, $commit->{date}, $commit->{author}, $git_perms);
                 }
                 else
                 {
-                    $log->warn("UNKNOWN FILE CHANGE mode=$1, hash=$2, change=$3, name=$4");
+                    $log->warn("UNKNOWN FILE CHANGE mode=$mode, hash=$hash, change=$change, name=$name");
                     die;
                 }
             }
@@ -2400,10 +2417,12 @@ sub update
             # this is used to detect files removed from the repo
             my $seen_files = {};
 
-            my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
+            my $filepipe = open(FILELIST, '-|', 'git-ls-tree', '-z', '-r', $commit->{hash}) or die("Cannot call git-ls-tree : $!");
+           local $/ = "\0";
             while ( <FILELIST> )
             {
-                unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\s+(.*)$/o )
+               chomp;
+                unless ( /^(\d+)\s+(\w+)\s+([a-zA-Z0-9]+)\t(.*)$/o )
                 {
                     die("Couldn't process git-ls-tree line : $_");
                 }