What's cooking (2011/11 #02)

[alt-git.git] / whats-cooking.txt

To: git@vger.kernel.org
Subject: What's cooking in git.git (Nov 2011, #02; Sun, 6)
X-master-at: ee6dfb2d83ba1b057943e705f707fa27e34e47f9
X-next-at: a49516f7bc4c2895be5b0abffee87963c65486fa

What's cooking in git.git (Nov 2011, #02; Sun, 6)
--------------------------------------------------

Here are the topics that have been cooking.  Commits prefixed with '-' are
only in 'pu' (proposed updates) while commits prefixed with '+' are in 'next'.

Here are the repositories that have my integration branches:

With maint, master, next, pu, todo:

        git://git.kernel.org/pub/scm/git/git.git
        git://repo.or.cz/alt-git.git
        https://code.google.com/p/git-core/
        https://github.com/git/git

With only maint and master:

        git://git.sourceforge.jp/gitroot/git-core/git.git
        git://git-core.git.sourceforge.net/gitroot/git-core/git-core

With all the topics and integration branches but not todo, html or man:

        https://github.com/gitster/git

I will stop pushing the generated documentation branches to the above
repositories, as they are not sources. The only reason the source
repository at k.org has hosted these branches was because it was the only
repository over there that was writable by me; it was an ugly historical
and administrative workaround and not a demonstration of the best
practice.

These branches are pushed to their own separate repositories instead:

        git://git.kernel.org/pub/scm/git/git-{htmldocs,manpages}.git/
        git://repo.or.cz/git-{htmldocs,manpages}.git/
        https://code.google.com/p/git-{htmldocs,manpages}.git/
        https://github.com/gitster/git-{htmldocs,manpages}.git/

--------------------------------------------------
[New Topics]

* jc/pull-signed-tag (2011-11-04) 10 commits
 - merge: force edit mode when merging a tag object
 - fmt-merge-msg: Add contents of merged tag in the merge message
 - fmt-merge-msg: package options into a structure
 - fmt-merge-msg: avoid early returns
 - refs DWIMmery: use the same rule for both "git fetch" and others
 - tests: distinguish merges of tags and commits
 - fetch: allow "git fetch $there v1.0" to fetch a tag
 - merge: notice local merging of tags and keep it unwrapped
 - fetch: do not store peeled tag object names in FETCH_HEAD
 - Split GPG interface into its own helper library

Fourth round but needs further updates.
Will keep in 'pu' for now.

* sn/http-auth-with-netrc-fix (2011-11-04) 1 commit
  (merged to 'next' on 2011-11-06 at 60b7f96)
 + http: don't always prompt for password

Regression fix for the upcoming release.
Will merge by 1.7.8 final.

* ab/clang-lints (2011-11-06) 2 commits
 - cast variable in call to free() in builtin/diff.c and submodule.c
 - apply: get rid of useless x < 0 comparison on a size_t type

Not urgent.

* ab/i18n-test-fix (2011-11-05) 2 commits
  (merged to 'next' on 2011-11-06 at f1de9a6)
 + t/t7508-status.sh: use test_i18ncmp
 + t/t6030-bisect-porcelain.sh: use test_i18ngrep

Will merge by 1.7.8 final.

* ab/pull-rebase-config (2011-11-06) 1 commit
 - pull: introduce a pull.rebase option to enable --rebase

Not urgent.

* eh/grep-scale-to-cpunum (2011-11-05) 1 commit
 - grep: detect number of CPUs for thread spawning

Kills I/O parallelism and needs to be improved or discarded.

* nd/fsck-progress (2011-11-05) 4 commits
 - fsck: print progress
 - fsck: avoid reading every object twice
 - Stop verify_packfile() as soon as an error occurs
 - fsck: return error code when verify_pack() goes wrong

Not urgent.

* nd/prune-progress (2011-11-05) 1 commit
 - prune: show progress while marking reachable objects

Not urgent.

* pw/p4-appledouble-fix (2011-11-05) 1 commit
  (merged to 'next' on 2011-11-06 at 2ec0af3)
 + git-p4: ignore apple filetype

Regression fix for the upcoming release.
Will merge by 1.7.8 final.

* sr/fix-fast-export-tips (2011-11-05) 3 commits
 - fast-export: output reset command for commandline revs
 - fast-export: do not refer to non-existing marks
 - t9350: point out that refs are not updated correctly

--------------------------------------------------
[Stalled]

* hv/submodule-merge-search (2011-10-13) 4 commits
 - submodule.c: make two functions static
 - allow multiple calls to submodule merge search for the same path
 - push: Don't push a repository with unpushed submodules
 - push: teach --recurse-submodules the on-demand option

What the topic aims to achieve may make sense, but the implementation
looked somewhat suboptimal.

* sr/transport-helper-fix-rfc (2011-07-19) 2 commits
 - t5800: point out that deleting branches does not work
 - t5800: document inability to push new branch with old content

Perhaps 281eee4 (revision: keep track of the end-user input from the
command line, 2011-08-25) would help.

* jc/lookup-object-hash (2011-08-11) 6 commits
 - object hash: replace linear probing with 4-way cuckoo hashing
 - object hash: we know the table size is a power of two
 - object hash: next_size() helper for readability
 - pack-objects --count-only
 - object.c: remove duplicated code for object hashing
 - object.c: code movement for readability

I do not think there is anything fundamentally wrong with this series, but
the risk of breakage far outweighs observed performance gain in one
particular workload.

* jc/verbose-checkout (2011-10-16) 2 commits
 - checkout -v: give full status output after switching branches
 - checkout: move the local changes report to the end

This is just to leave a record that the reason why we do not do this not
because we are incapable of coding this, but because it is not a good idea
to do this. I suspect people who are new to git that might think they need
it would soon realize the don't.

Will keep in 'pu' as a showcase for a while and then will drop.

--------------------------------------------------
[Cooking]

* jc/stream-to-pack (2011-11-03) 4 commits
 - Bulk check-in
 - finish_tmp_packfile(): a helper function
 - create_tmp_packfile(): a helper function
 - write_pack_header(): a helper function

Teaches "git add" to send large-ish blob data straight to a packfile.
This is a continuation to the "large file support" topic. I think this
codepath to move data from worktree to repository needs to become aware of
streaming, just like the checkout codepath that goes the other way, which
was done in the previous "large file support" topic in the 1.7.7 cycle.

* jn/gitweb-side-by-side-diff (2011-10-31) 8 commits
 - gitweb: Add navigation to select side-by-side diff
 - gitweb: Use href(-replay=>1,...) for formats links in "commitdiff"
 - t9500: Add basic sanity tests for side-by-side diff in gitweb
 - t9500: Add test for handling incomplete lines in diff by gitweb
 - gitweb: Give side-by-side diff extra CSS styling
 - gitweb: Add a feature to show side-by-side diff
 - gitweb: Extract formatting of diff chunk header
 - gitweb: Refactor diff body line classification

Replaces a series from Kato Kazuyoshi on the same topic.

* vr/msvc (2011-10-31) 3 commits
 - MSVC: Remove unneeded header stubs
 - Compile fix for MSVC: Include <io.h>
 - Compile fix for MSVC: Do not include sys/resources.h

It seems this needs to be rehashed with msysgit folks.

* mf/curl-select-fdset (2011-11-04) 4 commits
  (merged to 'next' on 2011-11-06 at a49516f)
 + http: drop "local" member from request struct
 + http.c: Rely on select instead of tracking whether data was received
 + http.c: Use timeout suggested by curl instead of fixed 50ms timeout
 + http.c: Use curl_multi_fdset to select on curl fds instead of just sleeping

Reduces unnecessary waits.

* na/strtoimax (2011-11-05) 3 commits
 - Support sizes >=2G in various config options accepting 'g' sizes.
 - Compatibility: declare strtoimax() under NO_STRTOUMAX
 - Add strtoimax() compatibility function.

* nd/misc-cleanups (2011-10-27) 6 commits
  (merged to 'next' on 2011-10-28 at 2527a49)
 + unpack_object_header_buffer(): clear the size field upon error
 + tree_entry_interesting: make use of local pointer "item"
 + tree_entry_interesting(): give meaningful names to return values
 + read_directory_recursive: reduce one indentation level
 + get_tree_entry(): do not call find_tree_entry() on an empty tree
 + tree-walk.c: do not leak internal structure in tree_entry_len()

These are unquestionably good parts taken out of a larger series, so that
we can focus more on the other changes in later rounds of review.

Will keep in 'next' during this cycle.

* rs/allocate-cache-entry-individually (2011-10-26) 2 commits
  (merged to 'next' on 2011-10-27 at 2e4acd6)
 + cache.h: put single NUL at end of struct cache_entry
 + read-cache.c: allocate index entries individually

Will keep in 'next' during this cycle.

* mh/ref-api-3 (2011-10-19) 11 commits
  (merged to 'next' on 2011-10-23 at 92e2d35)
 + is_refname_available(): reimplement using do_for_each_ref_in_array()
 + names_conflict(): simplify implementation
 + names_conflict(): new function, extracted from is_refname_available()
 + repack_without_ref(): reimplement using do_for_each_ref_in_array()
 + do_for_each_ref_in_array(): new function
 + do_for_each_ref(): correctly terminate while processesing extra_refs
 + add_ref(): take a (struct ref_entry *) parameter
 + create_ref_entry(): extract function from add_ref()
 + parse_ref_line(): add a check that the refname is properly formatted
 + repack_without_ref(): remove temporary
 + Rename another local variable name -> refname
 (this branch uses mh/ref-api-2.)

Will keep in 'next' during this cycle.

* rr/revert-cherry-pick (2011-10-23) 5 commits
  (merged to 'next' on 2011-10-26 at 27b7496)
 + revert: simplify communicating command-line arguments
 + revert: allow mixed pick and revert instructions
 + revert: make commit subjects in insn sheet optional
 + revert: simplify getting commit subject in format_todo()
 + revert: free msg in format_todo()

The internals of "git revert/cherry-pick" has been further refactored to
serve as the basis for the sequencer.

Will keep in 'next' during this cycle.

* jc/check-ref-format-fixup (2011-10-19) 2 commits
  (merged to 'next' on 2011-10-19 at 98981be)
 + Revert "Restrict ref-like names immediately below $GIT_DIR"
  (merged to 'next' on 2011-10-15 at 8e89bc5)
 + Restrict ref-like names immediately below $GIT_DIR

This became a no-op except for the bottom one which is part of the other
topic now.
Will discard once the other topic graduates to 'master'.

* cb/daemon-permission-errors (2011-10-17) 2 commits
 - daemon: report permission denied error to clients
 - daemon: add tests

The tip commit might be loosening things a bit too much.
Will keep in 'pu' until hearing a convincing argument for the patch.

* mh/ref-api-2 (2011-10-17) 14 commits
  (merged to 'next' on 2011-10-19 at cc89f0e)
 + resolve_gitlink_ref_recursive(): change to work with struct ref_cache
 + Pass a (ref_cache *) to the resolve_gitlink_*() helper functions
 + resolve_gitlink_ref(): improve docstring
 + get_ref_dir(): change signature
 + refs: change signatures of get_packed_refs() and get_loose_refs()
 + is_dup_ref(): extract function from sort_ref_array()
 + add_ref(): add docstring
 + parse_ref_line(): add docstring
 + is_refname_available(): remove the "quiet" argument
 + clear_ref_array(): rename from free_ref_array()
 + refs: rename parameters result -> sha1
 + refs: rename "refname" variables
 + struct ref_entry: document name member
 + cache.h: add comments for git_path() and git_path_submodule()
 (this branch is used by mh/ref-api-3.)

Will keep in 'next' during this cycle.

* jc/signed-commit (2011-10-21) 7 commits
  (merged to 'next' on 2011-10-23 at 03eec25)
 + pretty: %G[?GS] placeholders
 + parse_signed_commit: really use the entire commit log message
 + test "commit -S" and "log --show-signature"
 + t7004: extract generic "GPG testing" bits
 + log: --show-signature
 + commit: teach --gpg-sign option
 + Split GPG interface into its own helper library

This is to replace the earlier "signed push" experiments.
Will keep in 'next' during this cycle.

* sg/complete-refs (2011-10-21) 9 commits
  (merged to 'next' on 2011-10-26 at d65e2b4)
 + completion: remove broken dead code from __git_heads() and __git_tags()
 + completion: fast initial completion for config 'remote.*.fetch' value
 + completion: improve ls-remote output filtering in __git_refs_remotes()
 + completion: query only refs/heads/ in __git_refs_remotes()
 + completion: support full refs from remote repositories
 + completion: improve ls-remote output filtering in __git_refs()
 + completion: make refs completion consistent for local and remote repos
 + completion: optimize refs completion
 + completion: document __gitcomp()

Will keep in 'next' until an Ack or two from completion folks.

* jc/request-pull-show-head-4 (2011-10-15) 11 commits
  (merged to 'next' on 2011-10-15 at 7e340ff)
 + fmt-merge-msg.c: Fix an "dubious one-bit signed bitfield" sparse error
  (merged to 'next' on 2011-10-10 at 092175e)
 + environment.c: Fix an sparse "symbol not declared" warning
 + builtin/log.c: Fix an "Using plain integer as NULL pointer" warning
  (merged to 'next' on 2011-10-07 at fcaeca0)
 + fmt-merge-msg: use branch.$name.description
  (merged to 'next' on 2011-10-06 at fa5e0fe)
 + request-pull: use the branch description
 + request-pull: state what commit to expect
 + request-pull: modernize style
 + branch: teach --edit-description option
 + format-patch: use branch description in cover letter
 + branch: add read_branch_desc() helper function
 + Merge branch 'bk/ancestry-path' into jc/branch-desc

Allow setting "description" for branches and use it to help communications
between humans in various workflow elements.

Will keep in 'next' during this cycle.

--------------------------------------------------
[Discarded]

* kk/gitweb-side-by-side-diff (2011-10-17) 2 commits
 . gitweb: add a feature to show side-by-side diff
 . gitweb: change format_diff_line() to remove leading SP from $diff_class