get-with-headers: add a --headeronly switch
In some case we do not care about the actual rendering.
test: fix in-test comments related to obsolescence
The `ui.prevent-unstable` option never made it into core. It always behaves
this way when obsolescence feature is enabled.
See changesets
c5bd753c5bc6,
bacf55bd8f90 and
0f5a0a2073a8 for details.
stream_in: write the remote branchcache for a usage as wide as possible
Writing cache for unfiltered repo only is barely useful, Most repo user are now
at least use the `hidden` filter. This changeset now assigns the remote cache
for a filter as low as possible for a wider reuse as possible.