Merge branch 'jc/perl-cat-blob' into maint-1.8.1

diff --git a/perl/Git.pm b/perl/Git.pm
index a56d1e76f797cdba83510a5488945425f1936c2d..57a17160f9decb7879b8d6cba741ddb6d593be47 100644 (file)
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -965,20 +965,22 @@ sub cat_blob {
        my $size = $1;
 
        my $blob;
-       my $bytesRead = 0;
+       my $bytesLeft = $size;
 
        while (1) {
-               my $bytesLeft = $size - $bytesRead;
                last unless $bytesLeft;
 
                my $bytesToRead = $bytesLeft < 1024 ? $bytesLeft : 1024;
-               my $read = read($in, $blob, $bytesToRead, $bytesRead);
+               my $read = read($in, $blob, $bytesToRead);
                unless (defined($read)) {
                        $self->_close_cat_blob();
                        throw Error::Simple("in pipe went bad");
                }
-
-               $bytesRead += $read;
+               unless (print $fh $blob) {
+                       $self->_close_cat_blob();
+                       throw Error::Simple("couldn't write to passed in filehandle");
+               }
+               $bytesLeft -= $read;
        }
 
        # Skip past the trailing newline.
@@ -993,11 +995,6 @@ sub cat_blob {
                throw Error::Simple("didn't find newline after blob");
        }
 
-       unless (print $fh $blob) {
-               $self->_close_cat_blob();
-               throw Error::Simple("couldn't write to passed in filehandle");
-       }
-
        return $size;
 }