What's cooking in git.git (Oct 2011, #08; Fri, 21)

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

It probably is a good point to stop taking new topics and start
switching our focus to fixing bugs in the topics already in 'master'.

Here are the repositories that have my integration branches:

With maint, master, next, pu, todo, html and man:

        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, master, html and man:

        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

By the way, I am planning to stop pushing the generated documentation
branches to the above repositories in the near term, 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.

They 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]

* fg/submodule-git-file-git-dir (2011-10-21) 2 commits
 - submodule::module_clone(): silence die() message from module_name()
 - submodule: whitespace fix

* jc/broken-ref-dwim-fix (2011-10-19) 3 commits
  (merged to 'next' on 2011-10-19 at 40cad95)
 + resolve_ref(): report breakage to the caller without warning
 + resolve_ref(): expose REF_ISBROKEN flag
 + refs.c: move dwim_ref()/dwim_log() from sha1_name.c
 (this branch is tangled with jc/check-ref-format-fixup.)

This only takes good bits from the failed jc/check-ref-format-fixup topic
and implements saner workaround for the recent breakage on the 'master'.
Will merge to 'master' shortly.

* jm/maint-gitweb-filter-forks-fix (2011-10-21) 1 commit
  (merged to 'next' on 2011-10-21 at debedcd)
 + gitweb: fix regression when filtering out forks

Will merge to 'master' shortly.

* lh/gitweb-site-html-head (2011-10-21) 1 commit
 - gitweb: provide a way to customize html headers

Looked Ok.
Will merge to 'next'.

* mh/ref-api-3 (2011-10-19) 11 commits
 - 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 and mh/ref-api-2.)

Looked reasonable.
Will merge to 'next'.

* mm/mediawiki-author-fix (2011-10-20) 1 commit
 - git-remote-mediawiki: don't include HTTP login/password in author

Will merge to 'next'.

--------------------------------------------------
[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.

The fix-up at the tip queued on fg/submodule-auto-push topic has been
moved to this topic.

* 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.

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

* rr/revert-cherry-pick (2011-10-19) 6 commits
 - revert: simplify communicating command-line arguments
 - revert: allow mixed pick and revert instructions
 - revert: make commit subjects in insn sheet optional
 - revert: fix buffer overflow in insn sheet parser
 - revert: simplify getting commit subject in format_todo()
 - revert: free msg in format_todo()

Perhaps 3rd and 4th should be squashed together?

* jc/match-refs-clarify (2011-09-12) 2 commits
  (merged to 'next' on 2011-10-19 at b295e1e)
 + rename "match_refs()" to "match_push_refs()"
 + send-pack: typofix error message

Will merge to 'master' shortly.

* jn/libperl-git-config (2011-10-21) 2 commits
  (merged to 'next' on 2011-10-21 at 76e2d4b)
 + Add simple test for Git::config_path() in t/t9700-perl-git.sh
 + libperl-git: refactor Git::config_*

Will merge to 'master' shortly.

* ss/inet-ntop (2011-10-18) 1 commit
  (merged to 'next' on 2011-10-19 at 85469f6)
 + inet_ntop.c: Work around GCC 4.6's detection of uninitialized variables

Will merge to 'master' shortly.

* jc/check-ref-format-fixup (2011-10-19) 3 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
 + refs.c: move dwim_ref()/dwim_log() from sha1_name.c
 (this branch is tangled with jc/broken-ref-dwim-fix.)

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'.

* pw/p4-update (2011-10-17) 6 commits
  (merged to 'next' on 2011-10-17 at f69f6cc)
 + git-p4: handle files with shell metacharacters
 + git-p4: keyword flattening fixes
 + git-p4: stop ignoring apple filetype
 + git-p4: recognize all p4 filetypes
 + git-p4: handle utf16 filetype properly
 + git-p4 tests: refactor and cleanup

Will merge to 'master' in the fifth wave.

* cn/doc-config-bare-subsection (2011-10-16) 1 commit
  (merged to 'next' on 2011-10-17 at a6412d4)
 + Documentation: update [section.subsection] to reflect what git does

Will merge to 'master' in the fifth wave.

* cb/daemon-permission-errors (2011-10-17) 2 commits
 - daemon: report permission denied error to clients
 - daemon: add tests
 (this branch uses jk/daemon-msgs.)

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

* 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.

* 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

Fun.
Will keep in 'pu' until the planned re-roll comes.

* 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; uses mh/ref-api.)

It is either merge this quickly to 'master' and hope there won't be any
more unexpected breakage that forces us to delay the release, or hold it
on 'next' until the next cycle. I am inclined to the former, but not quite
ready to commit to it yet.

* po/insn-editor (2011-10-17) 1 commit
  (merged to 'next' on 2011-10-19 at cbf5e0b)
 + "rebase -i": support special-purpose editor to edit insn sheet

Will merge to 'master' shortly.

* dm/pack-objects-update (2011-10-20) 4 commits
 - pack-objects: don't traverse objects unnecessarily
 - pack-objects: rewrite add_descendants_to_write_order() iteratively
 - pack-objects: use unsigned int for counter and offset values
 - pack-objects: mark add_to_write_order() as inline

Need to re-read this before deciding what to do; it came a bit too late in
the cycle for a series that touches a seriously important part of the
system.

* jk/git-tricks (2011-10-21) 3 commits
 - completion: match ctags symbol names in grep patterns
 - contrib: add git-jump script
 - contrib: add diff highlight script

Will merge to 'next'.

* jc/make-tags (2011-10-18) 1 commit
  (merged to 'next' on 2011-10-19 at b0b91bf)
 + Makefile: ask "ls-files" to list source files if available

Will merge to 'master' shortly.

* jc/signed-commit (2011-10-20) 6 commits
 - 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. Probably ready
for 'next'.

* mh/ref-api (2011-10-16) 7 commits
  (merged to 'next' on 2011-10-17 at 219000f)
 + clear_ref_cache(): inline function
 + write_ref_sha1(): only invalidate the loose ref cache
 + clear_ref_cache(): extract two new functions
 + clear_ref_cache(): rename parameter
 + invalidate_ref_cache(): expose this function in the refs API
 + invalidate_ref_cache(): take the submodule as parameter
 + invalidate_ref_cache(): rename function from invalidate_cached_refs()
 (this branch is used by mh/ref-api-2 and mh/ref-api-3.)

It is either merge this quickly to 'master' and hope there won't be any
more unexpected breakage that forces us to delay the release, or hold it
on 'next' until the next cycle. I am inclined to the former, but not quite
ready to commit to it yet.

* sg/complete-refs (2011-10-21) 9 commits
 - 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()

Rerolled.

Will keep in 'pu' until an Ack or two from people who have worked on the
completion in the past comes.

* jc/unseekable-bundle (2011-10-13) 2 commits
  (merged to 'next' on 2011-10-19 at 2978ee0)
 + bundle: add parse_bundle_header() helper function
 + bundle: allowing to read from an unseekable fd

Will merge to 'master' shortly.

* jk/daemon-msgs (2011-10-15) 1 commit
  (merged to 'next' on 2011-10-15 at 415cf53)
 + daemon: give friendlier error messages to clients
 (this branch is used by cb/daemon-permission-errors.)

Will merge to 'master' in the fifth wave.

* jk/maint-pack-objects-compete-with-delete (2011-10-14) 2 commits
  (merged to 'next' on 2011-10-15 at 49479e4)
 + downgrade "packfile cannot be accessed" errors to warnings
 + pack-objects: protect against disappearing packs

Will merge to 'master' in the fifth wave.

* cn/fetch-prune (2011-10-15) 5 commits
  (merged to 'next' on 2011-10-16 at 02a449e)
 + fetch: treat --tags like refs/tags/*:refs/tags/* when pruning
 + fetch: honor the user-provided refspecs when pruning refs
 + remote: separate out the remote_find_tracking logic into query_refspecs
 + t5510: add tests for fetch --prune
 + fetch: free all the additional refspecs

Will merge to 'master' in the sixth wave.

* sc/difftool-skip (2011-10-14) 2 commits
  (merged to 'next' on 2011-10-14 at b91c581)
 + t7800: avoid arithmetic expansion notation
  (merged to 'next' on 2011-10-11 at 38d7e84)
 + git-difftool: allow skipping file by typing 'n' at prompt

Will merge to 'master' in the fifth wave.

* jc/maint-remove-renamed-ref (2011-10-12) 1 commit
  (merged to 'next' on 2011-10-12 at 819c3e4)
 + branch -m/-M: remove undocumented RENAMED-REF

Will merge to 'master' in the sixth wave.

* ph/transport-with-gitfile (2011-10-11) 5 commits
  (merged to 'next' on 2011-10-12 at 6d58417)
 + Fix is_gitfile() for files too small or larger than PATH_MAX to be a gitfile
  (merged to 'next' on 2011-10-06 at 891b8b6)
 + Add test showing git-fetch groks gitfiles
 + Teach transport about the gitfile mechanism
 + Learn to handle gitfiles in enter_repo
 + enter_repo: do not modify input

Will merge to 'master' in the fifth wave.

* 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

Will merge to 'master' in the sixth wave.
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