# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1727445236 -7200
# Node ID 7ff35f1290c0f922c6f6d77b1113679346d59f9d
# Parent  37a07941050762ea1f04074c231e6c9e8a587fba
run-tests: ensure that --no-rust do not use rust

Since having a valid value in HGWITHRUSTEXT is enough to trigger the use of
rust, we need to unset it before install to be sure.

diff -r 37a079410507 -r 7ff35f1290c0 tests/run-tests.py
--- a/tests/run-tests.py	Tue Sep 17 16:40:24 2024 +0200
+++ b/tests/run-tests.py	Fri Sep 27 15:53:56 2024 +0200
@@ -3717,15 +3717,18 @@
         vlog("# Performing temporary installation of HG")
         installerrs = os.path.join(self._hgtmp, b"install.err")
         compiler = ''
+        install_env = original_env.copy()
         if self.options.compiler:
             compiler = '--compiler ' + self.options.compiler
         setup_opts = b""
         if self.options.pure:
             setup_opts = b"--pure"
+            install_env.pop('HGWITHRUSTEXT', None)
         elif self.options.rust:
             setup_opts = b"--rust"
         elif self.options.no_rust:
             setup_opts = b"--no-rust"
+            install_env.pop('HGWITHRUSTEXT', None)
 
         # Run installer in hg root
         compiler = _sys2bytes(compiler)
@@ -3771,7 +3774,7 @@
         makedirs(self._bindir)
 
         vlog("# Running", cmd.decode("utf-8"))
-        if subprocess.call(_bytes2sys(cmd), shell=True, env=original_env) == 0:
+        if subprocess.call(_bytes2sys(cmd), shell=True, env=install_env) == 0:
             if not self.options.verbose:
                 try:
                     os.remove(installerrs)