[PATCH] tests: make test-check-code.t work with lz4revlog repositories

[Laurent Charignon]

# HG changeset patch
# User Laurent Charignon <lcharignon at fb.com>
# Date 1452113953 28800
#      Wed Jan 06 12:59:13 2016 -0800
# Node ID 11457f74b5e9522c2b863b332656c891133202ea
# Parent  b8405d739149cdd6d8d9bd5e3dd2ad8487b1f09a
tests: make test-check-code.t work with lz4revlog repositories

Before this patch 'hg locate' would fail on repositories with lz4revlog.
This makes test-check-code.t more reusable for other repositories and make it
work for clones of the repository that use lz4revlog.

diff --git a/tests/test-check-code.t b/tests/test-check-code.t
--- a/tests/test-check-code.t
+++ b/tests/test-check-code.t
@@ -6,7 +6,10 @@
 New errors are not allowed. Warnings are strongly discouraged.
 (The writing "no-che?k-code" is for not skipping this file when checking.)
 
-  $ hg locate | sed 's-\\-/-g' |
+  $ LZ4REVLOG=""
+  $ ([ -f .hg/requires ] && grep "lz4revlog" .hg/requires &>/dev/null &&
+  >  LZ4REVLOG="--config extensions.lz4revlog=") || true
+  $ hg locate $LZ4REVLOG | sed 's-\\-/-g' |
   >   xargs "$check_code" --warnings --per-file=0 || false
   Skipping hgext/zeroconf/Zeroconf.py it has no-che?k-code (glob)
   Skipping i18n/polib.py it has no-che?k-code (glob)