py3: rename test-check-py3-commands.t to test-py3-commands.t
test-check-*.t is a set of tests which tests certain coding style checks. So
this test was wrongly named, thanks to marmoute for pointing this out.
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
}