tests/histedit-helpers.sh

record: add crecord's ui logic to core

Code adapted from https://bitbucket.org/edgimar/crecord/src to respect
coding convention an record's interface

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"
}