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![Nicolas Pitre](/assets/img/avatar_default.png)
There are 108 of them already. That's a bit more than one third of all the files in the Documentation directory already, and still growing. Signed-off-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
198 lines
7.2 KiB
Plaintext
198 lines
7.2 KiB
Plaintext
GIT v1.5.2 Release Notes
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========================
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Updates since v1.5.1
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--------------------
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* Plumbing level superproject support.
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You can include a subdirectory that has an independent git
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repository in your index and tree objects of your project
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("superproject"). This plumbing (i.e. "core") level
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superproject support explicitly excludes recursive behaviour.
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The "subproject" entries in the index and trees of a superproject
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are incompatible with older versions of git. Experimenting with
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the plumbing level support is encouraged, but be warned that
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unless everybody in your project updates to this release or
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later, using this feature would make your project
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inaccessible by people with older versions of git.
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* Plumbing level gitattributes support.
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The gitattributes mechanism allows you to add 'attributes' to
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paths in your project, and affect the way certain git
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operations work. Currently you can influence if a path is
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considered a binary or text (the former would be treated by
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'git diff' not to produce textual output; the latter can go
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through the line endings conversion process in repositories
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with core.autocrlf set), expand and unexpand '$Id$' keyword
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with blob object name, specify a custom 3-way merge driver,
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and specify a custom diff driver. You can also apply
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arbitrary filter to contents on check-in/check-out codepath
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but this feature is an extremely sharp-edged razor and needs
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to be handled with caution (do not use it unless you
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understand the earlier mailing list discussion on keyword
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expansion). These conversions apply when checking files in
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or out, and exporting via git-archive.
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* The packfile format now optionally supports 64-bit index.
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This release supports the "version 2" format of the .idx
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file. This is automatically enabled when a huge packfile
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needs more than 32-bit to express offsets of objects in the
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pack.
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* Comes with an updated git-gui 0.7.1
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* Updated gitweb:
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- can show combined diff for merges;
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- uses font size of user's preference, not hardcoded in pixels;
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- can now 'grep';
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* New commands and options.
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- "git bisect start" can optionally take a single bad commit and
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zero or more good commits on the command line.
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- "git shortlog" can optionally be told to wrap its output.
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- "subtree" merge strategy allows another project to be merged in as
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your subdirectory.
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- "git format-patch" learned a new --subject-prefix=<string>
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option, to override the built-in "[PATCH]".
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- "git add -u" is a quick way to do the first stage of "git
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commit -a" (i.e. update the index to match the working
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tree); it obviously does not make a commit.
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- "git clean" honors a new configuration, "clean.requireforce". When
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set to true, this makes "git clean" a no-op, preventing you
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from losing files by typing "git clean" when you meant to
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say "make clean". You can still say "git clean -f" to
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override this.
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- "git log" family of commands learned --date={local,relative,default}
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option. --date=relative is synonym to the --relative-date.
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--date=local gives the timestamp in local timezone.
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* Updated behavior of existing commands.
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- When $GIT_COMMITTER_EMAIL or $GIT_AUTHOR_EMAIL is not set
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but $EMAIL is set, the latter is used as a substitute.
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- "git diff --stat" shows size of preimage and postimage blobs
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for binary contents. Earlier it only said "Bin".
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- "git lost-found" shows stuff that are unreachable except
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from reflogs.
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- "git checkout branch^0" now detaches HEAD at the tip commit
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on the named branch, instead of just switching to the
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branch (use "git checkout branch" to switch to the branch,
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as before).
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- "git bisect next" can be used after giving only a bad commit
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without giving a good one (this starts bisection half-way to
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the root commit). We used to refuse to operate without a
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good and a bad commit.
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- "git push", when pushing into more than one repository, does
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not stop at the first error.
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- "git archive" does not insist you to give --format parameter
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anymore; it defaults to "tar".
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- "git cvsserver" can use backends other than sqlite.
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- "gitview" (in contrib/ section) learned to better support
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"git-annotate".
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- "git diff $commit1:$path2 $commit2:$path2" can now report
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mode changes between the two blobs.
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- Local "git fetch" from a repository whose object store is
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one of the alternates (e.g. fetching from the origin in a
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repository created with "git clone -l -s") avoids
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downloading objects unnecessarily.
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- "git blame" uses .mailmap to canonicalize the author name
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just like "git shortlog" does.
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- "git pack-objects" pays attention to pack.depth
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configuration variable.
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- "git cherry-pick" and "git revert" does not use .msg file in
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the working tree to prepare commit message; instead it uses
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$GIT_DIR/MERGE_MSG as other commands do.
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* Builds
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- git-p4import has never been installed; now there is an
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installation option to do so.
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- gitk and git-gui can be configured out.
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- Generated documentation pages automatically get version
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information from GIT_VERSION.
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- Parallel build with "make -j" descending into subdirectory
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was fixed.
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* Performance Tweaks
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- Optimized "git-rev-list --bisect" (hence "git-bisect").
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- Optimized "git-add $path" in a large directory, most of
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whose contents are ignored.
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- Optimized "git-diff-tree" for reduced memory footprint.
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- The recursive merge strategy updated a worktree file that
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was changed identically in two branches, when one of them
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renamed it. We do not do that when there is no rename, so
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match that behaviour. This avoids excessive rebuilds.
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- The default pack depth has been increased to 50, as the
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recent addition of delta_base_cache makes deeper delta chains
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much less expensive to access. Depending on the project, it was
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reported that this reduces the resulting pack file by 10%
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or so.
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Fixes since v1.5.1
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------------------
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All of the fixes in v1.5.1 maintenance series are included in
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this release, unless otherwise noted.
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* Bugfixes
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- Switching branches with "git checkout" refused to work when
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a path changes from a file to a directory between the
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current branch and the new branch, in order not to lose
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possible local changes in the directory that is being turned
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into a file with the switch. We now allow such a branch
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switch after making sure that there is no locally modified
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file nor un-ignored file in the directory. This has not
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been backported to 1.5.1.x series, as it is rather an
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intrusive change.
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- Merging branches that have a file in one and a directory in
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another at the same path used to get quite confused. We
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handle such a case a bit more carefully, even though that is
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still left as a conflict for the user to sort out. This
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will not be backported to 1.5.1.x series, as it is rather an
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intrusive change.
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- git-fetch had trouble with a remote with insanely large number
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of refs.
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- "git clean -d -X" now does not remove non-excluded directories.
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- rebasing (without -m) a series that changes a symlink to a directory
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in the middle of a path confused git-apply greatly and refused to
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operate.
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