[PATCH 1/5] refs.c: replace the onerr argument in update_ref with a strbuf err

Get rid of the action_on_err enum and replace the action argument to update_ref with a strbuf *err for error reporting. Update all callers to the new api including two callers in transport*.c which used the literal 0 instead of an enum. Signed-off-by: Ronnie Sahlberg sahlb...@google.com ---

[PATCH 1/5] refs.c: replace the onerr argument in update_ref with a strbuf err

Signed-off-by: Ronnie Sahlberg sahlb...@google.com --- builtin/checkout.c | 7 +-- builtin/clone.c | 23 +++ builtin/merge.c | 20 +--- builtin/notes.c | 24 ++-- builtin/reset.c | 12