Re: What's cooking in git.git (Apr 2014, #03; Fri, 11)

> [...]
> * mh/ref-transaction (2014-04-07) 27 commits
>  - ref_transaction_commit(): work with transaction->updates in place
>  - struct ref_update: add a type field
>  - struct ref_update: add a lock field
>  - ref_transaction_commit(): simplify code using temporary variables
>  - struct ref_update: store refname as a FLEX_ARRAY
>  - struct ref_update: rename field "ref_name" to "refname"
>  - refs: remove API function update_refs()
>  - update-ref --stdin: reimplement using reference transactions
>  - refs: add a concept of a reference transaction
>  - update-ref --stdin: harmonize error messages
>  - update-ref --stdin: improve the error message for unexpected EOF
>  - t1400: test one mistake at a time
>  - update-ref --stdin -z: deprecate interpreting the empty string as zeros
>  - update-ref.c: extract a new function, parse_next_sha1()
>  - t1400: test that stdin -z update treats empty <newvalue> as zeros
>  - update-ref --stdin: simplify error messages for missing oldvalues
>  - update-ref --stdin: make error messages more consistent
>  - update-ref --stdin: improve error messages for invalid values
>  - update-ref.c: extract a new function, parse_refname()
>  - parse_cmd_verify(): copy old_sha1 instead of evaluating <oldvalue> twice
>  - update-ref --stdin: read the whole input at once
>  - update_refs(): fix constness
>  - refs.h: rename the action_on_err constants
>  - t1400: add some more tests involving quoted arguments
>  - parse_arg(): really test that argument is properly terminated
>  - t1400: provide more usual input to the command
>  - t1400: fix name and expected result of one test
>  (this branch is used by rs/ref-closer-to-atomic.)
> 
>  Update "update-ref --stdin [-z]" and then introduce a transactional
>  support for (multi-)reference updates.
> 
>  Is this ready to be merged to 'next' for wider exposure?