tests/histedit-helpers.sh

changegroup: use tr.hookargs when calling pretxnchangegroup hooks

So that other parties using the transaction can put information in our hook
calls.

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"
}