+
−# Test the config layer generated by environment variables
+
−
+
−from __future__ import absolute_import, print_function
+
−
+
−import os
+
−
+
−from mercurial import (
+
−    encoding,
+
−    rcutil,
+
−    ui as uimod,
+
−    util,
+
−)
+
−
+
−from mercurial.utils import (
+
−    procutil,
+
−)
+
−
+
−testtmp = encoding.environ[b'TESTTMP']
+
−
+
−# prepare hgrc files
+
−def join(name):
+
−    return os.path.join(testtmp, name)
+
−
+
−with open(join(b'sysrc'), 'wb') as f:
+
−    f.write(b'[ui]\neditor=e0\n[pager]\npager=p0\n')
+
−
+
−with open(join(b'userrc'), 'wb') as f:
+
−    f.write(b'[ui]\neditor=e1')
+
−
+
−# replace rcpath functions so they point to the files above
+
−def systemrcpath():
+
−    return [join(b'sysrc')]
+
−
+
−def userrcpath():
+
−    return [join(b'userrc')]
+
−
+
−rcutil.systemrcpath = systemrcpath
+
−rcutil.userrcpath = userrcpath
+
−os.path.isdir = lambda x: False # hack: do not load default.d/*.rc
+
−
+
−# utility to print configs
+
−def printconfigs(env):
+
−    encoding.environ = env
+
−    rcutil._rccomponents = None # reset cache
+
−    ui = uimod.ui.load()
+
−    for section, name, value in ui.walkconfig():
+
−        source = ui.configsource(section, name)
+
−        procutil.stdout.write(b'%s.%s=%s # %s\n'
+
−                              % (section, name, value, util.pconvert(source)))
+
−    procutil.stdout.write(b'\n')
+
−
+
−# environment variable overrides
+
−printconfigs({})
+
−printconfigs({b'EDITOR': b'e2', b'PAGER': b'p2'})