What's cooking in git.git (topics)

[Junio C Hamano <gitster@pobox.com>]

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

The topics list the commits in reverse chronological order.

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

* js/branch-track (Tue Feb 19 11:24:38 2008 -0500) 2 commits
 + doc: documentation update for the branch track changes
 + branch: optionally setup branch.*.merge from upstream local
   branches

This allows you to automatically set up tracking even when forking
from a local branch; it builds on top of Daniel's "checkout in C".

* js/merge (Sun Feb 17 19:07:40 2008 +0000) 2 commits
 + xdl_merge(): introduce XDL_MERGE_ZEALOUS_ALNUM
 + xdl_merge(): make XDL_MERGE_ZEALOUS output simpler

This makes conflicting merges that have hunks separated by only
a few common lines much easier to read.

* db/cover-letter (Tue Feb 19 02:40:35 2008 -0500) 8 commits
 + Support a --cc=<email> option in format-patch
 + Combine To: and Cc: headers
 + Fix format.headers not ending with a newline
 + Add tests for extra headers in format-patch
 + Add a --cover-letter option to format-patch
 + Export some email and pretty-printing functions
 + Improve message-id generation flow control for format-patch
 + Add more tests for format-patch

Teaches format-patch to optionally generate cover letters.

* db/push-single-with-HEAD (Wed Feb 20 12:54:05 2008 -0500) 1 commit
 + Resolve value supplied for no-colon push refspecs

Kills two birds with a commit by (1) fixing "git push $there +HEAD"
to force the single push, and (2) allowing you to set
"remote.$there.push = HEAD" so that "git push $there" will push
only the current branch.

* db/host-alias (Mon Feb 18 23:28:38 2008 -0500) 2 commits
 - Add support for host aliases in config files
 - Use ALLOC_GROW in remote.{c,h}

Allows URLs used in pushing and fetching to be rewritten.
This is an older round of the series.

----------------------------------------------------------------
[Graduated to "master"]

* bc/fopen (Fri Feb 8 20:32:47 2008 -0600) 1 commit
 + Add compat/fopen.c which returns NULL on attempt to open directory

We would want fread(3) from fopen(3)'ed directory to fail but
some systems don't.  This adds a compatibility wrapper for
fopen(3) that fails on directories.

* js/maint-http-push (Thu Feb 14 23:26:12 2008 +0000) 3 commits
 + http-push: avoid a needless goto
 + http-push: do not get confused by submodules
 + http-push: avoid invalid memory accesses

This forks off of 'maint' in the hope of having a fixed
http-push in future 1.5.4.X.

* jk/empty-tree (Wed Feb 13 05:50:51 2008 -0500) 2 commits
 + add--interactive: handle initial commit better
 + hard-code the empty tree object

Deals with the initial commit case better in "git-add -i".

* jc/setup (Sun Feb 3 23:59:17 2008 -0800) 4 commits
 + builtin-mv: minimum fix to avoid losing files
 + git-add: adjust to the get_pathspec() changes.
 + Make blame accept absolute paths
 + setup: sanitize absolute and funny paths in get_pathspec()

Works better when an absolute path into work tree is given where
a relative paths is expected.

* lt/revision-walker (Sat Feb 9 14:02:07 2008 -0800) 1 commit
 + Add "--show-all" revision walker flag for debugging

* mc/prefix (Sat Feb 9 15:40:19 2008 +0100) 1 commit
 + Avoid a useless prefix lookup in strbuf_expand()

----------------------------------------------------------------
[Will merge to "master" soon]

* jc/apply-whitespace (Mon Feb 11 15:32:29 2008 -0800) 14 commits
 + apply: do not barf on patch with too large an offset
 + core.whitespace: cr-at-eol
 + git-apply --whitespace=fix: fix whitespace fuzz introduced by
   previous run
 + builtin-apply.c: pass ws_rule down to match_fragment()
 + builtin-apply.c: move copy_wsfix() function a bit higher.
 + builtin-apply.c: do not feed copy_wsfix() leading '+'
 + builtin-apply.c: simplify calling site to apply_line()
 + builtin-apply.c: clean-up apply_one_fragment()
 + builtin-apply.c: mark common context lines in lineinfo structure.
 + builtin-apply.c: optimize match_beginning/end processing a bit.
 + builtin-apply.c: make it more line oriented
 + builtin-apply.c: push match-beginning/end logic down
 + builtin-apply.c: restructure "offset" matching
 + builtin-apply.c: refactor small part that matches context

Further work on "apply --whitespace=fix".

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

* lt/dirstat (Tue Feb 12 17:06:58 2008 -0800) 2 commits
 - diff: make --dirstat binary-file safe
 + Add "--dirstat" for some directory statistics

The first one already in 'next' is the latest toy Linus showed
off in his 2.6.25-rc2 announcement.  The other one on top is a
rework to make it work more sensibly with a tree with binary
contents.

* db/checkout (Wed Feb 20 15:54:54 2008 -0800) 16 commits
 + checkout: work from a subdirectory
 + checkout: tone down the "forked status" diagnostic messages
 + Clean up reporting differences on branch switch
 + builtin-checkout.c: fix possible usage segfault
 + checkout: notice when the switched branch is behind or forked
 + Build in checkout
 + Move code to clean up after a branch change to branch.c
 + Library function to check for unmerged index entries
 + Use diff -u instead of diff in t7201
 + Move create_branch into a library file
 + Build-in merge-recursive
 + Add "skip_unmerged" option to unpack_trees.
 + Discard "deleted" cache entries after using them to update the
   working tree
 + Send unpack-trees debugging output to stderr
 + Add flag to make unpack_trees() not print errors.
 + Allow callers of unpack_trees() to handle failure

Checkout rewritten in C.  With a few recent fixes, I think this
is approaching to be usable on "master".

* jc/diff-relative (Wed Feb 13 00:34:39 2008 -0800) 2 commits
 + diff --relative: help working in a bare repository
 + diff --relative: output paths as relative to the current
   subdirectory

* jc/rename (Tue Jan 29 20:54:56 2008 -0800) 1 commit
 + Optimize rename detection for a huge diff

----------------------------------------------------------------
[On Hold]

* gp/hash-stdin (Thu Feb 14 20:13:55 2008 +0000) 1 commit
 - hash-object: cleanup handling of command line options

I've touched Gerrit's original up somewhat and am still waiting
for a feedback.

* js/run-command (Sat Feb 16 18:36:39 2008 +0100) 2 commits
 - start_command(), if .in/.out > 0, closes file descriptors, not the
   callers
 - start_command(), .in/.out/.err = -1: Callers must close the file
   descriptor

* jc/bulk-allocate (Wed Feb 13 18:37:27 2008 -0800) 2 commits
 - Bulk allocate diff_filepair
 - patch freeable-bulk-alloc

* js/reflog-delete (Fri Jan 4 19:11:37 2008 -0600) 2 commits
 + builtin-reflog.c: fix typo that accesses an unset variable
 + Teach "git reflog" a subcommand to delete single entries

There was a patch that uses this to implement "git-stash drop",
which I didn't queue, as the command name and the UI was
undecided yet.  Dscho was in favor of "pop" without "drop".

* nd/dashless (Wed Nov 28 23:21:57 2007 +0700) 1 commit
 - Move all dashed-form commands to libexecdir

Scheduled for 1.6.0.  I am not sure if we should merge this to
'next' before 1.5.5.  Most active people will be on 'next' and
if we have this there, the resulting 1.5.5 release might end up
having issues that come from differences this one introduces.

* jc/dashless (Sat Dec 1 22:09:22 2007 -0800) 2 commits
 - Prepare execv_git_cmd() for removal of builtins from the
   filesystem
 - git-shell: accept "git foo" form

We do not plan to remove git-foo form completely from the filesystem at
this point, but git-shell may need to be updated.

* jc/sha1-lookup (Sun Dec 30 03:13:27 2007 -0800) 2 commits
 - sha1-lookup: make selection of 'middle' less aggressive
 - sha1-lookup: more memory efficient search in sorted list of SHA-1

Micro-optimization whose real world benefit is not proven.