Re: What's cooking in git.git (Dec 2013, #02; Fri, 6)

> * jk/pack-bitmap (2013-11-18) 22 commits
>  - compat/mingw.h: Fix the MinGW and msvc builds
>  - pack-bitmap: implement optional name_hash cache
>  - t/perf: add tests for pack bitmaps
>  - t: add basic bitmap functionality tests
>  - count-objects: recognize .bitmap in garbage-checking
>  - repack: consider bitmaps when performing repacks
>  - repack: handle optional files created by pack-objects
>  - repack: turn exts array into array-of-struct
>  - repack: stop using magic number for ARRAY_SIZE(exts)
>  - pack-objects: implement bitmap writing
>  - rev-list: add bitmap mode to speed up object lists
>  - pack-objects: use bitmaps when packing objects
>  - pack-bitmap: add support for bitmap indexes
>  - documentation: add documentation for the bitmap format
>  - ewah: compressed bitmap implementation
>  - compat: add endianness helpers
>  - sha1_file: export `git_open_noatime`
>  - revision: allow setting custom limiter function
>  - pack-objects: factor out name_hash
>  - pack-objects: refactor the packing list
>  - revindex: export new APIs
>  - sha1write: make buffer const-correct
>  (this branch is tangled with jk/name-pack-after-byte-representation.)
>
>  Borrows the bitmap index into packfiles from JGit to speed up
>  enumeration of objects involved in a commit range without having to
>  fully traverse the history.