githelp: add --dry-run for mv
Differential Revision: https://phab.mercurial-scm.org/D6460
githelp: translate --directory of git apply to --prefix
According to the help pages, these flags do the same.
Differential Revision: https://phab.mercurial-scm.org/D6459
help: include subtopic in error message if passed
Differential Revision: https://phab.mercurial-scm.org/D6442
help: check if a subtopic exists and raise an error if it doesn't (
issue6145)
Differential Revision: https://phab.mercurial-scm.org/D6441
perf: fix some missing b prefixes
# skip-blame just b prefixes
Differential Revision: https://phab.mercurial-scm.org/D6457
testparseutil: fix doctest to use str instead of bytes
Differential Revision: https://phab.mercurial-scm.org/D6456