patchbomb: extract a bunch of nested functions
- clarifies dependencies on variables
- extracts potentially useful utility functions
- no need for separate confirm() function
- error message style conformance
- PEP 8 conformance
#!/bin/sh
hg
hg -q
hg help
hg -q help
hg add -h
hg add --skjdfks
hg help diff
hg help status
hg -q help status
hg help foo
hg skjdfks
exit 0