manifestcache: stop altering the lru cache order while displaying it
Accessing value with `.get` alter the iteration order and make the output of
the debug command misbehave, showing multiple entry twice.
We need more than 2 entry to see the bug, so there are not test change. Later
test will introduce a third entry and would fail without this fix.
--- a/mercurial/debugcommands.py Fri Mar 15 13:52:56 2019 +0000
+++ b/mercurial/debugcommands.py Fri Mar 15 13:52:36 2019 +0000
@@ -1503,7 +1503,7 @@
totalsize = 0
for nodeid in cache:
# Use cache.get to not update the LRU order
- data = cache.get(nodeid)
+ data = cache.peek(nodeid)
size = len(data)
totalsize += size + 24 # 20 bytes nodeid, 4 bytes size
ui.write(_('id: %s, size %s\n') % (