auto-upgrade: add an option to silence the safe-mismatch message
For well tested case, the message can get in the way, so we add a way to disable
it.
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
}