python3: whitelist an additional 11 tests I think these are mostly the result of Pulkit's recent work. Thanks! Differential Revision: https://phab.mercurial-scm.org/D2078

ui: add explicit path to write prompt text bypassing buffers The prompt= flag was added at e35d7f131483, when colorui had its own write() function. Since we've merged colorui to ui, we can simply call the unbuffered write() function.

ui: write prompt text in ui.prompt(), not in ui._readline() self.label() is replaced by label= option, which should make it clearer why we can't pass the text to raw_input(prompt).

logcmdutil: mark changesetprinter.showpatch() as private

logcmdutil: drop default arguments from changesetdisplayer/templater() calls

logcmdutil: make default parameters of changesetprinters consistent

mdiff: use str.startswith/endswith() instead of slicing

patch: unify check_binary and binary flags Follows up 079b27b5a869. If opts.text=True, check_binary is ignored, so we can just pass the binary flag to unidiff(). perfunidiff now takes any inputs as text files, which I think is a desired behavior.

fileset: don't abort when running copied() on a revision with a removed file It looks like AND with any status-y fileset would trigger this, as added() and removed() also failed. The 4.5-rc revision is a convenient test case, but the merge isn't necessary.

py3: make sure we open the file in bytes mode # skip-blame because we are just adding b Differential Revision: https://phab.mercurial-scm.org/D2077