1 files changed, 14 insertions, 0 deletions
diff --git a/lib/PublicInbox/Import.pm b/lib/PublicInbox/Import.pm
index 8a40fb53..8dd11d03 100644
--- a/lib/PublicInbox/Import.pm
+++ b/lib/PublicInbox/Import.pm
@@ -195,6 +195,20 @@ sub done {
          my $pid = delete $self->{pid} or die 'BUG: missing {pid} when done';
          waitpid($pid, 0) == $pid or die 'fast-import did not finish';
          $? == 0 or die "fast-import failed: $?";
+
+        # for compatibility with existing ssoma installations
+        # we can probably remove this entirely by 2020
+        my $git_dir = $self->{git}->{git_dir};
+        my $index = "$git_dir/ssoma.index";
+        # XXX: change the following scope to: if (-e $index) # in 2018 or so..
+        unless ($ENV{FAST}) {
+                local $ENV{GIT_INDEX_FILE} = $index;
+                system('git', "--git-dir=$git_dir", qw(read-tree -m -v -i),
+                        $self->{ref}) == 0 or
+                        die "failed to update $git_dir/ssoma.index: $?\n";
+        }
+
+
          my $lockfh = delete $self->{lockfh} or die "BUG: not locked: $!";
          flock($lockfh, LOCK_UN) or die "unlock failed: $!";
          close $lockfh or die "close lock failed: $!";