Rebasing a git history with empty commit messages

Question

I recently converted an svn repository with git svn. Unfortunately the svn history has a number of empty commit messages. This is a problem when I rebase and

Answer 1

As I commented before, this totally destroys comments if you happen to have newlines in them. Here's a perl script that does this without being destructive:

#!/usr/bin/perl

my $data = "";    
while() {
    $data .= $_;
}

if($data =~ /^\s*$/) { $data="[Empty message]\n"; }
print "$data";

Then, just git filter-branch -f --msg-filter /path/to/perlfilter.pl