histedit: protect against duplicated entries
Before this change one would issue rules with duplicated entries. For
this to happen some other changeset had to be missing to maintain the
rules length.
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"
}