4 Backward compatibility notes.
6 * Use of an empty string that is used for 'everything matches' is
7 still warned and Git asks users to use a more explicit '.' for that
8 instead. The hope is that existing users will not mind this
9 change, and eventually the warning can be turned into a hard error,
10 upgrading the deprecation into removal of this (mis)feature. That
11 is not scheduled to happen in the upcoming release (yet).
13 * The historical argument order "git merge <msg> HEAD <commit>..."
14 has been deprecated for quite some time, and will be removed in a
17 * An ancient script "git relink" has been removed.
23 UI, Workflows & Features
25 * Various updates to "git p4".
27 * "git p4" didn't interact with the internal of .git directory
28 correctly in the modern "git-worktree"-enabled world.
30 * "git branch --list" and friends learned "--ignore-case" option to
31 optionally sort branches and tags case insensitively.
33 * In addition to %(subject), %(body), "log --pretty=format:..."
34 learned a new placeholder %(trailers).
36 * "git rebase" learned "--quit" option, which allows a user to
37 remove the metadata left by an earlier "git rebase" that was
38 manually aborted without using "git rebase --abort".
40 * "git clone --reference $there --recurse-submodules $super" has been
41 taught to guess repositories usable as references for submodules of
42 $super that are embedded in $there while making a clone of the
43 superproject borrow objects from $there; extend the mechanism to
44 also allow submodules of these submodules to borrow repositories
45 embedded in these clones of the submodules embedded in the clone of
48 * Porcelain scripts written in Perl are getting internationalized.
50 * "git merge --continue" has been added as a synonym to "git commit"
51 to conclude a merge that has stopped due to conflicts.
53 * Finer-grained control of what protocols are allowed for transports
54 during clone/fetch/push have been enabled via a new configuration
57 * "git shortlog" learned "--committer" option to group commits by
58 committer, instead of author.
60 * GitLFS integration with "git p4" has been updated.
62 * The isatty() emulation for Windows has been updated to eradicate
63 the previous hack that depended on internals of (older) MSVC
66 * Some platforms no longer understand "latin-1" that is still seen in
67 the wild in e-mail headers; replace them with "iso-8859-1" that is
68 more widely known when conversion fails from/to it.
70 * "git grep" has been taught to optionally recurse into submodules.
72 * "git rm" used to refuse to remove a submodule when it has its own
73 git repository embedded in its working tree. It learned to move
74 the repository away to $GIT_DIR/modules/ of the superproject
75 instead, and allow the submodule to be deleted (as long as there
76 will be no loss of local modifications, that is).
78 * A recent updates to "git p4" was not usable for older p4 but it
79 could be made to work with minimum changes. Do so.
81 * "git diff" learned diff.interHunkContext configuration variable
82 that gives the default value for its --inter-hunk-context option.
84 * The prereleaseSuffix feature of version comparison that is used in
85 "git tag -l" did not correctly when two or more prereleases for the
86 same release were present (e.g. when 2.0, 2.0-beta1, and 2.0-beta2
87 are there and the code needs to compare 2.0-beta1 and 2.0-beta2).
89 * "git submodule push" learned "--recurse-submodules=only option to
90 push submodules out without pushing the top-level superproject.
92 * "git tag" and "git verify-tag" learned to put GPG verification
93 status in their "--format=<placeholders>" output format.
95 * An ancient repository conversion tool left in contrib/ has been
98 * "git show-ref HEAD" used with "--verify" because the user is not
99 interested in seeing refs/remotes/origin/HEAD, and used with
100 "--head" because the user does not want HEAD to be filtered out,
101 i.e. "git show-ref --head --verify HEAD", did not work as expected.
103 * "git submodule add" used to be confused and refused to add a
104 locally created repository; users can now use "--force" option
106 (merge 619acfc78c sb/submodule-add-force later to maint).
108 * Some people feel the default set of colors used by "git log --graph"
109 rather limiting. A mechanism to customize the set of colors has
111 (merge 512aba261a nd/log-graph-configurable-colors later to maint).
114 Performance, Internal Implementation, Development Support etc.
116 * Commands that operate on a log message and add lines to the trailer
117 blocks, such as "format-patch -s", "cherry-pick (-x|-s)", and
118 "commit -s", have been taught to use the logic of and share the
119 code with "git interpret-trailer".
121 * The default Travis-CI configuration specifies newer P4 and GitLFS.
123 * The "fast hash" that had disastrous performance issues in some
124 corner cases has been retired from the internal diff.
126 * The character width table has been updated to match Unicode 9.0
128 * Update the procedure to generate "tags" for developer support.
130 * The codeflow of setting NOATIME and CLOEXEC on file descriptors Git
131 opens has been simplified.
132 (merge b4d065df03 jc/git-open-cloexec later to maint).
134 * "git diff" and its family had two experimental heuristics to shift
135 the contents of a hunk to make the patch easier to read. One of
136 them turns out to be better than the other, so leave only the
137 "--indent-heuristic" option and remove the other one.
138 (merge 3cde4e02ee jc/retire-compaction-heuristics later to maint).
140 * A new submodule helper "git submodule embedgitdirs" to make it
141 easier to move embedded .git/ directory for submodules in a
142 superproject to .git/modules/ (and point the latter with the former
143 that is turned into a "gitdir:" file) has been added.
145 * "git push \\server\share\dir" has recently regressed and then
146 fixed. A test has retroactively been added for this breakage.
148 * Build updates for Cygwin.
150 * The implementation of "real_path()" was to go there with chdir(2)
151 and call getcwd(3), but this obviously wouldn't be usable in a
152 threaded environment. Rewrite it to manually resolve relative
153 paths including symbolic links in path components.
155 * Adjust documentation to help AsciiDoctor render better while not
156 breaking the rendering done by AsciiDoc.
158 * The sequencer machinery has been further enhanced so that a later
159 set of patches can start using it to reimplement "rebase -i".
161 * Update the definition of the MacOSX test environment used by
164 * Rewrite a scripted porcelain "git difftool" in C.
165 (merge 94d3997ecc js/difftool-builtin later to maint).
168 Also contains various documentation updates and code clean-ups.
173 Unless otherwise noted, all the fixes since v2.9 in the maintenance
174 track are contained in this release (see the maintenance releases'
177 * We often decide if a session is interactive by checking if the
178 standard I/O streams are connected to a TTY, but isatty() that
179 comes with Windows incorrectly returned true if it is used on NUL
180 (i.e. an equivalent to /dev/null). This has been fixed.
182 * "git svn" did not work well with path components that are "0", and
183 some configuration variable it uses were not documented.
185 * "git rev-parse --symbolic" failed with a more recent notation like
186 "HEAD^-1" and "HEAD^!".
188 * An empty directory in a working tree that can simply be nuked used
189 to interfere while merging or cherry-picking a change to create a
190 submodule directory there, which has been fixed..
192 * The code in "git push" to compute if any commit being pushed in the
193 superproject binds a commit in a submodule that hasn't been pushed
194 out was overly inefficient, making it unusable even for a small
195 project that does not have any submodule but have a reasonable
198 * "git push --dry-run --recurse-submodule=on-demand" wasn't
199 "--dry-run" in the submodules.
201 * The output from "git worktree list" was made in readdir() order,
204 * mergetool.<tool>.trustExitCode configuration variable did not apply
205 to built-in tools, but now it does.
207 * "git p4" LFS support was broken when LFS stores an empty blob.
209 * A corner case in merge-recursive regression that crept in
210 during 2.10 development cycle has been fixed.
212 * Transport with dumb http can be fooled into following foreign URLs
213 that the end user does not intend to, especially with the server
214 side redirects and http-alternates mechanism, which can lead to
215 security issues. Tighten the redirection and make it more obvious
216 to the end user when it happens.
218 * Update the error messages from the dumb-http client when it fails
219 to obtain loose objects; we used to give sensible error message
220 only upon 404 but we now forbid unexpected redirects that needs to
221 be reported with something sensible.
223 * When diff.renames configuration is on (and with Git 2.9 and later,
224 it is enabled by default, which made it worse), "git stash"
225 misbehaved if a file is removed and another file with a very
226 similar content is added.
228 * "git diff --no-index" did not take "--no-abbrev" option.
230 * "git difftool --dir-diff" had a minor regression when started from
231 a subdirectory, which has been fixed.
233 * "git commit --allow-empty --only" (no pathspec) with dirty index
234 ought to be an acceptable way to create a new commit that does not
235 change any paths, but it was forbidden, perhaps because nobody
238 * Git 2.11 had a minor regression in "merge --ff-only" that competed
239 with another process that simultanously attempted to update the
240 index. We used to explain what went wrong with an error message,
241 but the new code silently failed. The error message has been
244 * A pathname that begins with "//" or "\\" on Windows is special but
245 path normalization logic was unaware of it.
247 * "git pull --rebase", when there is no new commits on our side since
248 we forked from the upstream, should be able to fast-forward without
249 invoking "git rebase", but it didn't.
251 * The way to specify hotkeys to "xxdiff" that is used by "git
252 mergetool" has been modernized to match recent versions of xxdiff.
254 * Unlike "git am --abort", "git cherry-pick --abort" moved HEAD back
255 to where cherry-pick started while picking multiple changes, when
256 the cherry-pick stopped to ask for help from the user, and the user
257 did "git reset --hard" to a different commit in order to re-attempt
260 * Code cleanup in shallow boundary computation.
262 * A recent update to receive-pack to make it easier to drop garbage
263 objects made it clear that GIT_ALTERNATE_OBJECT_DIRECTORIES cannot
264 have a pathname with a colon in it (no surprise!), and this in turn
265 made it impossible to push into a repository at such a path. This
266 has been fixed by introducing a quoting mechanism used when
267 appending such a path to the colon-separated list.
269 * The function usage_msg_opt() has been updated to say "fatal:"
270 before the custom message programs give, when they want to die
271 with a message about wrong command line options followed by the
272 standard usage string.
274 * "git index-pack --stdin" needs an access to an existing repository,
275 but "git index-pack file.pack" to generate an .idx file that
276 corresponds to a packfile does not.
278 * Fix for NDEBUG builds.
280 * A lazy "git push" without refspec did not internally use a fully
281 specified refspec to perform 'current', 'simple', or 'upstream'
282 push, causing unnecessary "ambiguous ref" errors.
284 * "git p4" misbehaved when swapping a directory and a symbolic link.
286 * Even though an fix was attempted in Git 2.9.3 days, but running
287 "git difftool --dir-diff" from a subdirectory never worked. This
290 * "git p4" that tracks multile p4 paths imported a single changelist
291 that touches files in these multiple paths as one commit, followed
292 by many empty commits. This has been fixed.
294 * A potential but unlikely buffer overflow in Windows port has been
297 * When the http server gives an incomplete response to a smart-http
298 rpc call, it could lead to client waiting for a full response that
299 will never come. Teach the client side to notice this condition
300 and abort the transfer.
302 * Compression setting for producing packfiles were spread across
303 three codepaths, one of which did not honor any configuration.
304 Unify these so that all of them honor core.compression and
305 pack.compression variables the same way.
307 * "git fast-import" sometimes mishandled while rebalancing notes
308 tree, which has been fixed.
310 * Recent update to the default abbreviation length that auto-scales
311 lacked documentation update, which has been corrected.
313 * Leakage of lockfiles in the config subsystem has been fixed.
315 * It is natural that "git gc --auto" may not attempt to pack
316 everything into a single pack, and there is no point in warning
317 when the user has configured the system to use the pack bitmap,
318 leading to disabling further "gc".
320 * "git archive" did not read the standard configuration files, and
321 failed to notice a file that is marked as binary via the userdiff
322 driver configuration.
324 * "git blame --porcelain" misidentified the "previous" <commit, path>
325 pair (aka "source") when contents came from two or more files.
327 * "git rebase -i" with a recent update started showing an incorrect
328 count when squashing more than 10 commits.
330 * "git <cmd> @{push}" on a detached HEAD used to segfault; it has
331 been corrected to error out with a message.
333 * Running "git add a/b" when "a" is a submodule correctly errored
334 out, but without a meaningful error message.
335 (merge 2d81c48fa7 sb/pathspec-errors later to maint).
337 * Typing ^C to pager, which usually does not kill it, killed Git and
338 took the pager down as a collateral damage in certain process-tree
339 structure. This has been fixed.
341 * "git mergetool" without any pathspec on the command line that is
342 run from a subdirectory became no-op in Git v2.11 by mistake, which
345 * Retire long unused/unmaintained gitview from the contrib/ area.
346 (merge 3120925c25 sb/remove-gitview later to maint).
348 * Tighten a test to avoid mistaking an extended ERE regexp engine as
351 * An error message with an ASCII control character like '\r' in it
352 can alter the message to hide its early part, which is problematic
353 when a remote side gives such an error message that the local side
354 will relay with a "remote: " prefix.
355 (merge f290089879 jk/vreport-sanitize later to maint).
357 * "git fsck" inspects loose objects more carefully now.
358 (merge cce044df7f jk/loose-object-fsck later to maint).
360 * A crashing bug introduced in v2.11 timeframe has been found (it is
361 triggerable only in fast-import) and fixed.
362 (merge abd5a00268 jk/clear-delta-base-cache-fix later to maint).
364 * With an anticipatory tweak for remotes defined in ~/.gitconfig
365 (e.g. "remote.origin.prune" set to true, even though there may or
366 may not actually be "origin" remote defined in a particular Git
367 repository), "git remote rename" and other commands misinterpreted
368 and behaved as if such a non-existing remote actually existed.
369 (merge e459b073fb js/remote-rename-with-half-configured-remote later to maint).
371 * A few codepaths had to rely on a global variable when sorting
372 elements of an array because sort(3) API does not allow extra data
373 to be passed to the comparison function. Use qsort_s() when
374 natively available, and a fallback implementation of it when not,
375 to eliminate the need, which is a prerequisite for making the
377 (merge 83fc4d64fe rs/qsort-s later to maint).
379 * "git fsck --connectivity-check" was not working at all.
380 (merge a2b22854bd jk/fsck-connectivity-check-fix later to maint).
382 * After starting "git rebase -i", which first opens the user's editor
383 to edit the series of patches to apply, but before saving the
384 contents of that file, "git status" failed to show the current
385 state (i.e. you are in an interactive rebase session, but you have
386 applied no steps yet) correctly.
387 (merge df9ded4984 js/status-pre-rebase-i later to maint).
389 * Test tweak for FreeBSD where /usr/bin/unzip is unsuitable to run
390 our tests but /usr/local/bin/unzip is usable.
391 (merge d98b2c5fce js/unzip-in-usr-bin-workaround later to maint).
393 * "git p4" did not work well with multiple git-p4.mapUser entries on
395 (merge c3c2b05776 gv/mingw-p4-mapuser later to maint).
397 * "git help" enumerates executable files in $PATH; the implementation
398 of "is this file executable?" on Windows has been optimized.
399 (merge c755015f79 hv/mingw-help-is-executable later to maint).
401 * Test tweaks for those who have default ACL in their git source tree
402 that interfere with the umask test.
403 (merge d549d21307 mm/reset-facl-before-umask-test later to maint).
405 * Names of the various hook scripts must be spelled exactly, but on
406 Windows, an .exe binary must be named with .exe suffix; notice
407 $GIT_DIR/hooks/<hookname>.exe as a valid <hookname> hook.
408 (merge 235be51fbe js/mingw-hooks-with-exe-suffix later to maint).
410 * Asciidoctor, an alternative reimplementation of AsciiDoc, still
411 needs some changes to work with documents meant to be formatted
412 with AsciiDoc. "make USE_ASCIIDOCTOR=YesPlease" to use it out of
413 the box to document our pages is getting closer to reality.
414 (merge 55d2d812e4 bc/use-asciidoctor-opt later to maint).
416 * Other minor doc, test and build updates and code cleanups.
417 (merge f2627d9b19 sb/submodule-config-cleanup later to maint).
418 (merge 384f1a167b sb/unpack-trees-cleanup later to maint).
419 (merge 874444b704 rh/diff-orderfile-doc later to maint).
420 (merge eafd5d9483 cw/doc-sign-off later to maint).
421 (merge 0aaad415bc rs/absolute-pathdup later to maint).
422 (merge 4432dd6b5b rs/receive-pack-cleanup later to maint).
423 (merge 540a398e9c sg/mailmap-self later to maint).