Re: [PATCH v2] Allow to control where the replace refs are looked for

> It can be useful to have grafts or replace refs for specific use-cases while
> keeping the default "view" of the repository pristine (or with a different
> set of grafts/replace refs).
>
> It is possible to use a different graft file with GIT_GRAFT_FILE, but while
> replace refs are more powerful, they don't have an equivalent override.
>
> Add a GIT_REPLACE_REF_BASE environment variable to control where git is
> going to look for replace refs.
>
> Signed-off-by: Mike Hommey <mh@glandium.org>
> ---
>  builtin/replace.c | 6 +++---
>  cache.h           | 2 ++
>  environment.c     | 6 ++++++
>  log-tree.c        | 5 +++--
>  refs.c            | 3 ++-
>  5 files changed, 16 insertions(+), 6 deletions(-)