3132             self._hgcommand = os.path.basename(self.options.with_chg)

  3132             self._hgcommand = os.path.basename(self.options.with_chg)

  3133 

  3133 

  3134         # configure fallback and replace "hg" command by "rhg"

  3134         # configure fallback and replace "hg" command by "rhg"

  3135         rhgbindir = self._bindir

  3135         rhgbindir = self._bindir

  3136         if self.options.rhg or self.options.with_rhg:

  3136         if self.options.rhg or self.options.with_rhg:

  3137             # Affects configuration. Alternatives would be setting configuration through

  3139             # Affects configuration. Alternatives would be setting configuration through

  3138             # `$HGRCPATH` but some tests override that, or changing `_hgcommand` to include

  3140             # `$HGRCPATH` but some tests override that, or changing `_hgcommand` to include

  3139             # `--config` but that disrupts tests that print command lines and check expected

  3141             # `--config` but that disrupts tests that print command lines and check expected

  3140             # output.

  3142             # output.

  3141             osenvironb[b'RHG_ON_UNSUPPORTED'] = b'fallback'

  3143             osenvironb[b'RHG_ON_UNSUPPORTED'] = b'fallback'