[PATCH 00/15] ref-transactions for reflogs

[Ronnie Sahlberg <sahlberg@google.com>]

List, Jun,

This is the next patch series for ref-transactions.
It is also available at 

https://github.com/rsahlberg/git/tree/ref-transactions-reflog

and is the same patch series that has been posted previously with one
exception:
This series now contains an additional patch that fixes ref handling
of broken refs. This patch allows a user to delete a ref that can not
be resolved and contains a broken SHA1.

The main part of the patch series is to refactor the reflog handling
to use transactions and eventually leads up to :
* only a single place in the code where we marshall the reflog text line
* atomic transaction for reflog.c for performing the reflog expire
  operation.


This series is based on and builds on the previous series that is now in
origin/pu:
===
commit c52f85eb59d26a7036d2149bc5b4347d0ecbbbeb
Merge: 44fc7ba 282edb2
Author: Junio C Hamano <gitster@pobox.com>
Date:   Mon Jul 21 12:35:51 2014 -0700

    Merge branch 'rs/ref-transaction' into jch
    
    * rs/ref-transaction:
      refs.c: fix handling of badly named refs
      refs.c: make write_ref_sha1 static
      fetch.c: change s_update_ref to use a ref transaction
      refs.c: propagate any errno==ENOTDIR from _commit back to the callers
      refs.c: pass a skip list to name_conflict_fn
      refs.c: call lock_ref_sha1_basic directly from commit
      refs.c: move the check for valid refname to lock_ref_sha1_basic
      refs.c: pass NULL as *flags to read_ref_full
      refs.c: pass the ref log message to _create/delete/update instead of _commit
      refs.c: add an err argument to delete_ref_loose
      wrapper.c: add a new function unlink_or_msg
      wrapper.c: simplify warn_if_unremovable
===

  
Ronnie Sahlberg (15):
  refs.c make ref_transaction_create a wrapper to ref_transaction_update
  refs.c: make ref_transaction_delete a wrapper for
    ref_transaction_update
  refs.c: rename the transaction functions
  refs.c: add a new update_type field to ref_update
  refs.c: add a function to append a reflog entry to a fd
  lockfile.c: make hold_lock_file_for_append preserve meaningful errno
  refs.c: add a transaction function to append a reflog entry
  refs.c: add a flag to allow reflog updates to truncate the log
  refs.c: only write reflog update if msg is non-NULL
  refs.c: allow multiple reflog updates during a single transaction
  reflog.c: use a reflog transaction when writing during expire
  refs.c: rename log_ref_setup to create_reflog
  refs.c: make unlock_ref/close_ref/commit_ref static
  refs.c: remove lock_any_ref_for_update
  refs.c: allow deleting refs with a broken sha1

 branch.c               |  11 +-
 builtin/branch.c       |   6 +-
 builtin/checkout.c     |   8 +-
 builtin/commit.c       |  14 +-
 builtin/fetch.c        |  12 +-
 builtin/receive-pack.c |  14 +-
 builtin/reflog.c       |  84 +++++------
 builtin/replace.c      |  10 +-
 builtin/tag.c          |  10 +-
 builtin/update-ref.c   |  22 +--
 copy.c                 |  20 ++-
 fast-import.c          |  22 +--
 lockfile.c             |   7 +-
 refs.c                 | 392 ++++++++++++++++++++++++++++++++++---------------
 refs.h                 | 110 +++++++-------
 sequencer.c            |  14 +-
 walker.c               |  16 +-
 17 files changed, 461 insertions(+), 311 deletions(-)

-- 
2.0.1.508.g763ab16