244 lines
10 KiB
Plaintext
244 lines
10 KiB
Plaintext
Git v1.6.6 Release Notes
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========================
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Notes on behaviour change
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-------------------------
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* In this release, "git fsck" defaults to "git fsck --full" and
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checks packfiles, and because of this it will take much longer to
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complete than before. If you prefer a quicker check only on loose
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objects (the old default), you can say "git fsck --no-full". This
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has been supported by 1.5.4 and newer versions of git, so it is
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safe to write it in your script even if you use slightly older git
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on some of your machines.
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Preparing yourselves for compatibility issues in 1.7.0
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------------------------------------------------------
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In git 1.7.0, which is planned to be the release after 1.6.6, there will
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be a handful of behaviour changes that will break backward compatibility.
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These changes were discussed long time ago and existing behaviours have
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been identified as more problematic to the userbase than keeping them for
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the sake of backward compatibility.
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When necessary, transition strategy for existing users has been designed
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not to force them running around setting configuration variables and
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updating their scripts in order to either keep the traditional behaviour
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or use the new behaviour on the day their sysadmin decides to install
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the new version of git. When we switched from "git-foo" to "git foo" in
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1.6.0, even though the change had been advertised and the transition
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guide had been provided for a very long time, the users procrastinated
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during the entire transtion period, and ended up panicking on the day
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their sysadmins updated their git installation. We tried very hard to
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avoid repeating that unpleasantness.
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For changes decided to be in 1.7.0, we have been much louder to strongly
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discourage such procrastination. If you have been using recent versions
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of git, you would have already seen warnings issued when you exercised
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features whose behaviour will change, with the instruction on how to
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keep the existing behaviour if you want to. You hopefully should be
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well prepared already.
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Of course, we have also given "this and that will change in 1.7.0;
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prepare yourselves" warnings in the release notes and announcement
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messages. Let's see how well users will fare this time.
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* "git push" into a branch that is currently checked out (i.e. pointed by
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HEAD in a repository that is not bare) will be refused by default.
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Similarly, "git push $there :$killed" to delete the branch $killed
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in a remote repository $there, when $killed branch is the current
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branch pointed at by its HEAD, will be refused by default.
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Setting the configuration variables receive.denyCurrentBranch and
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receive.denyDeleteCurrent to 'ignore' in the receiving repository
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can be used to override these safety features. Versions of git
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since 1.6.2 have issued a loud warning when you tried to do them
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without setting the configuration, so repositories of people who
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still need to be able to perform such a push should already have
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been future proofed.
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Please refer to:
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http://git.or.cz/gitwiki/GitFaq#non-bare
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http://thread.gmane.org/gmane.comp.version-control.git/107758/focus=108007
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for more details on the reason why this change is needed and the
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transition process that already took place so far.
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* "git send-email" will not make deep threads by default when sending a
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patch series with more than two messages. All messages will be sent
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as a reply to the first message, i.e. cover letter. Git 1.6.6 (this
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release) will issue a warning about the upcoming default change, when
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it uses the traditional "deep threading" behaviour as the built-in
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default. To squelch the warning but still use the "deep threading"
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behaviour, give --chain-reply-to option or set sendemail.chainreplyto
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to true.
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It has been possible to configure send-email to send "shallow thread"
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by setting sendemail.chainreplyto configuration variable to false.
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The only thing 1.7.0 release will do is to change the default when
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you haven't configured that variable.
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* "git status" will not be "git commit --dry-run". This change does not
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affect you if you run the command without pathspec.
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Nobody sane found the current behaviour of "git status Makefile" useful
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nor meaningful, and it confused users. "git commit --dry-run" has been
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provided as a way to get the current behaviour of this command since
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1.6.5.
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* "git diff" traditionally treated various "ignore whitespace" options
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only as a way to filter the patch output. "git diff --exit-code -b"
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exited with non-zero status even if all changes were about changing the
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ammount of whitespace and nothing else. and "git diff -b" showed the
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"diff --git" header line for such a change without patch text.
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In 1.7.0, the "ignore whitespaces" will affect the semantics of the
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diff operation itself. A change that does not affect anything but
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whitespaces will be reported with zero exit status when run with
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--exit-code, and there will not be "diff --git" header for such a
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change.
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Updates since v1.6.5
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--------------------
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(subsystems)
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* various git-gui updates including new translations, wm states, etc.
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* git-svn updates.
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* "git fetch" over http learned a new mode that is different from the
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traditional "dumb commit walker".
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(portability)
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* imap-send can be built on mingw port.
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(performance)
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* "git diff -B" has smaller memory footprint.
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(usability, bells and whistles)
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* The object replace mechanism can be bypassed with --no-replace-objects
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global option given to the "git" program.
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* In configuration files, a few variables that name paths can begin with ~/
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and ~username/ and they are expanded as expected.
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* "git subcmd -h" now shows short usage help for many more subcommands.
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* "git bisect reset" can reset to an arbitrary commit.
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* "git checkout frotz" when there is no local branch "frotz" but there
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is only one remote tracking branch "frotz" is taken as a request to
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start the named branch at the corresponding remote tracking branch.
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* "git commit -c/-C/--amend" can be told with a new "--reset-author" option
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to ignore authorship information in the commit it is taking the message
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from.
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* "git describe" can be told to add "-dirty" suffix with "--dirty" option.
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* "git diff" learned --submodule option to show a list of one-line logs
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instead of differences between the commit object names.
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* "git diff" learned to honor diff.color.func configuration to paint
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function name hint printed on the hunk header "@@ -j,k +l,m @@" line
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in the specified color.
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* "git fetch" learned --all and --multiple options, to run fetch from
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many repositories, and --prune option to remove remote tracking
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branches that went stale. These make "git remote update" and "git
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remote prune" less necessary (there is no plan to remove "remote
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update" nor "remote prune", though).
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* "git fsck" by default checks the packfiles (i.e. "--full" is the
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default); you can turn it off with "git fsck --no-full".
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* "git grep" can use -F (fixed strings) and -i (ignore case) together.
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* import-tars contributed fast-import frontend learned more types of
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compressed tarballs.
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* "git instaweb" knows how to talk with mod_cgid to apache2.
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* "git log --decorate" shows the location of HEAD as well.
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* "git log" and "git rev-list" learned to take revs and pathspecs from
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the standard input with the new "--stdin" option.
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* "--pretty=format" option to "log" family of commands learned:
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. to wrap text with the "%w()" specifier.
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. to show reflog information with "%g[sdD]" specifier.
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* "git notes" command to annotate existing commits.
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* "git merge" (and "git pull") learned --ff-only option to make it fail
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if the merge does not result in a fast-forward.
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* The ancient "git merge <message> HEAD <branch>..." syntax will be
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removed in later versions of git. A warning is given and tells
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users to use the "git merge -m <message> <branch>..." instead.
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* "git mergetool" learned to use p4merge.
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* "git rebase -i" learned "reword" that acts like "edit" but immediately
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starts an editor to tweak the log message without returning control to
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the shell, which is done by "edit" to give an opportunity to tweak the
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contents.
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* "git send-email" can be told with "--envelope-sender=auto" to use the
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same address as "From:" address as the envelope sender address.
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* "git send-email" will issue a warning when it defaults to the
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--chain-reply-to behaviour without being told by the user and
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instructs to prepare for the change of the default in 1.7.0 release.
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* In "git submodule add <repository> <path>", <path> is now optional and
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inferred from <repository> the same way "git clone <repository>" does.
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* "git svn" learned to read SVN 1.5+ and SVK merge tickets.
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* "gitweb" can optionally render its "blame" output incrementally (this
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requires JavaScript on the client side).
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* Author names shown in gitweb output are links to search commits by the
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author.
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(developers)
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Fixes since v1.6.5
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------------------
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All of the fixes in v1.6.5.X maintenance series are included in this
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release, unless otherwise noted.
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* Enumeration of available merge strategies iterated over the list of
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commands in a wrong way, sometimes producing an incorrect result.
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Will backport by merging ed87465 (builtin-merge.c: call
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exclude_cmds() correctly., 2009-11-25).
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* "git format-patch revisions... -- path" issued an incorrect error
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message that suggested to use "--" on the command line when path
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does not exist in the current work tree (it is a separate matter if
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it makes sense to limit format-patch with pathspecs like that
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without using the --full-diff option). Will backport by merging
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7e93d3b (format-patch: add test for parsing of "--", 2009-11-26).
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* "git shortlog" did not honor the "encoding" header embedded in the
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commit object like "git log" did. Will backport by merging 79f7ca0
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(shortlog: respect commit encoding, 2009-11-25).
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---
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exec >/var/tmp/1
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echo O=$(git describe master)
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O=v1.6.6-rc0-119-gc0ecb07
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git shortlog --no-merges $O..master --not maint
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