error: ensure ProgrammingError message is always a str
Since this error is internal-only and a runtime error, let's give it a
treatment that makes it behave identically when repr()d on both Python
2 and Python 3.
Differential Revision: https://phab.mercurial-scm.org/D4545
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
}