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    1 GIT v1.6.5 Release Notes
    2 ========================
    3 
    4 In git 1.7.0, which was planned to be the release after 1.6.5, "git
    5 push" into a branch that is currently checked out will be refused by
    6 default.
    7 
    8 You can choose what should happen upon such a push by setting the
    9 configuration variable receive.denyCurrentBranch in the receiving
   10 repository.
   11 
   12 Also, "git push $there :$killed" to delete the branch $killed in a remote
   13 repository $there, when $killed branch is the current branch pointed at by
   14 its HEAD, will be refused by default.
   15 
   16 You can choose what should happen upon such a push by setting the
   17 configuration variable receive.denyDeleteCurrent in the receiving
   18 repository.
   19 
   20 To ease the transition plan, the receiving repository of such a
   21 push running this release will issue a big warning when the
   22 configuration variable is missing.  Please refer to:
   23 
   24   http://git.or.cz/gitwiki/GitFaq#non-bare
   25   http://thread.gmane.org/gmane.comp.version-control.git/107758/focus=108007
   26 
   27 for more details on the reason why this change is needed and the
   28 transition plan.
   29 
   30 Updates since v1.6.4
   31 --------------------
   32 
   33 (subsystems)
   34 
   35  * various updates to gitk, git-svn and gitweb.
   36 
   37 (portability)
   38 
   39  * more improvements on mingw port.
   40 
   41  * mingw will also give FRSX as the default value for the LESS
   42    environment variable when the user does not have one.
   43 
   44  * initial support to compile git on Windows with MSVC.
   45 
   46 (performance)
   47 
   48  * On major platforms, the system can be compiled to use with Linus's
   49    block-sha1 implementation of the SHA-1 hash algorithm, which
   50    outperforms the default fallback implementation we borrowed from
   51    Mozilla.
   52 
   53  * Unnecessary inefficiency in deepening of a shallow repository has
   54    been removed.
   55 
   56  * "git clone" does not grab objects that it does not need (i.e.
   57    referenced only from refs outside refs/heads and refs/tags
   58    hierarchy) anymore.
   59 
   60  * The "git" main binary used to link with libcurl, which then dragged
   61    in a large number of external libraries.  When using basic plumbing
   62    commands in scripts, this unnecessarily slowed things down.  We now
   63    implement http/https/ftp transfer as a separate executable as we
   64    used to.
   65 
   66  * "git clone" run locally hardlinks or copies the files in .git/ to
   67    newly created repository.  It used to give new mtime to copied files,
   68    but this delayed garbage collection to trigger unnecessarily in the
   69    cloned repository.  We now preserve mtime for these files to avoid
   70    this issue.
   71 
   72 (usability, bells and whistles)
   73 
   74  * Human writable date format to various options, e.g. --since=yesterday,
   75    master@{2000.09.17}, are taught to infer some omitted input properly.
   76 
   77  * A few programs gave verbose "advice" messages to help uninitiated
   78    people when issuing error messages.  An infrastructure to allow
   79    users to squelch them has been introduced, and a few such messages
   80    can be silenced now.
   81 
   82  * refs/replace/ hierarchy is designed to be usable as a replacement
   83    of the "grafts" mechanism, with the added advantage that it can be
   84    transferred across repositories.
   85 
   86  * "git am" learned to optionally ignore whitespace differences.
   87 
   88  * "git am" handles input e-mail files that has CRLF line endings sensibly.
   89 
   90  * "git am" learned "--scissors" option to allow you to discard early part
   91    of an incoming e-mail.
   92 
   93  * "git archive -o output.zip" works without being told what format to
   94    use with an explicit "--format=zip".option.
   95 
   96  * "git checkout", "git reset" and "git stash" learned to pick and
   97    choose to use selected changes you made, similar to "git add -p".
   98 
   99  * "git clone" learned a "-b" option to pick a HEAD to check out
  100    different from the remote's default branch.
  101 
  102  * "git clone" learned --recursive option.
  103 
  104  * "git clone" from a local repository on a different filesystem used to
  105    copy individual object files without preserving the old timestamp, giving
  106    them extra lifetime in the new repository until they gc'ed.
  107 
  108  * "git commit --dry-run $args" is a new recommended way to ask "what would
  109    happen if I try to commit with these arguments."
  110 
  111  * "git commit --dry-run" and "git status" shows conflicted paths in a
  112    separate section to make them easier to spot during a merge.
  113 
  114  * "git cvsimport" now supports password-protected pserver access even
  115    when the password is not taken from ~/.cvspass file.
  116 
  117  * "git fast-export" learned --no-data option that can be useful when
  118    reordering commits and trees without touching the contents of
  119    blobs.
  120 
  121  * "git fast-import" has a pair of new front-end in contrib/ area.
  122 
  123  * "git init" learned to mkdir/chdir into a directory when given an
  124    extra argument (i.e. "git init this").
  125 
  126  * "git instaweb" optionally can use mongoose as the web server.
  127 
  128  * "git log --decorate" can optionally be told with --decorate=full to
  129    give the reference name in full.
  130 
  131  * "git merge" issued an unnecessarily scary message when it detected
  132    that the merge may have to touch the path that the user has local
  133    uncommitted changes to. The message has been reworded to make it
  134    clear that the command aborted, without doing any harm.
  135 
  136  * "git push" can be told to be --quiet.
  137 
  138  * "git push" pays attention to url.$base.pushInsteadOf and uses a URL
  139    that is derived from the URL used for fetching.
  140 
  141  * informational output from "git reset" that lists the locally modified
  142    paths is made consistent with that of "git checkout $another_branch".
  143 
  144  * "git submodule" learned to give submodule name to scripts run with
  145    "foreach" subcommand.
  146 
  147  * various subcommands to "git submodule" learned --recursive option.
  148 
  149  * "git submodule summary" learned --files option to compare the work
  150    tree vs the commit bound at submodule path, instead of comparing
  151    the index.
  152 
  153  * "git upload-pack", which is the server side support for "git clone" and
  154    "git fetch", can call a new post-upload-pack hook for statistics purposes.
  155 
  156 (developers)
  157 
  158  * With GIT_TEST_OPTS="--root=/p/a/t/h", tests can be run outside the
  159    source directory; using tmpfs may give faster turnaround.
  160 
  161  * With NO_PERL_MAKEMAKER set, DESTDIR= is now honoured, so you can
  162    build for one location, and install into another location to tar it
  163    up.
  164 
  165 Fixes since v1.6.4
  166 ------------------
  167 
  168 All of the fixes in v1.6.4.X maintenance series are included in this
  169 release, unless otherwise noted.