# HG changeset patch
# User Jun Wu <quark@fb.com>
# Date 1501732898 25200
# Node ID 72b23c9452d6d719532467443f8b3c97b0cd6314
# Parent  bc2535238de20bd116b04121ddac94614d9e553f
run-tests: pass --with-hg to run-tests.py command used by bisect

This makes `run-tests.py -l test-run-tests.t` 23 seconds faster on my
laptop. Inside the test, `$ rt --known-good-rev=0 test-bisect.t` took 24.9
seconds before, and 1.2 seconds after.

Differential Revision: https://phab.mercurial-scm.org/D576

diff -r bc2535238de2 -r 72b23c9452d6 tests/run-tests.py
--- a/tests/run-tests.py	Mon Aug 28 13:43:25 2017 -0700
+++ b/tests/run-tests.py	Wed Aug 02 21:01:38 2017 -0700
@@ -2080,9 +2080,14 @@
                     nooutput(['hg', 'bisect', '--bad', '.'])
                     nooutput(['hg', 'bisect', '--good',
                               self._runner.options.known_good_rev])
-                    # TODO: we probably need to forward some options
+                    # TODO: we probably need to forward more options
                     # that alter hg's behavior inside the tests.
-                    rtc = '%s %s %s' % (sys.executable, sys.argv[0], test)
+                    opts = ''
+                    withhg = self._runner.options.with_hg
+                    if withhg:
+                        opts += ' --with-hg=%s ' % shellquote(withhg)
+                    rtc = '%s %s %s %s' % (sys.executable, sys.argv[0], opts,
+                                           test)
                     sub = subprocess.Popen(['hg', 'bisect', '--command', rtc],
                                            stderr=subprocess.STDOUT,
                                            stdout=subprocess.PIPE)