transaction: make file a private attribute
This holds a file handle for the journal file. This file handle
should not be touched outside the journal class and doesn't
belong on the public interface.
Differential Revision: https://phab.mercurial-scm.org/D4625
fixbundle() {
grep -v 'saving bundle' | grep -v 'saved backup' | \
grep -v added | grep -v adding | \
grep -v "unable to find 'e' for patching" | \
grep -v "e: No such file or directory" | \
cat
}