merge: directly get destination from destutil
There is no real value in using the revset over the function.
The revset have no remaining users and will be taken care of in a later
changesets.
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"
}