Git 2.9 Release Notes
=====================
-Backward compatibility note
----------------------------
+Backward compatibility notes
+----------------------------
The end-user facing Porcelain level commands in the "git diff" and
-"git log" by default enables the rename detection; you can still use
-"diff.renames" configuration variable to disable this.
+"git log" family by default enable the rename detection; you can still
+use "diff.renames" configuration variable to disable this.
Merging two branches that have no common ancestor with "git merge" is
by default forbidden now to prevent creating such an unusual merge by
* Comes with git-multimail 1.3.1 (in contrib/).
- * The end-user facing Porcelain level commands like "diff" and "log"
- now enables the rename detection by default.
+ * The end-user facing commands like "git diff" and "git log"
+ now enable the rename detection by default.
* The credential.helper configuration variable is cumulative and
there is no good way to override it from the command line. As
as the signal to clear the values specified in various files.
* A new "interactive.diffFilter" configuration can be used to
- customize the diff shown in "git add -i" session.
+ customize the diff shown in "git add -i" sessions.
* "git p4" now allows P4 author names to be mapped to Git author
names.
to be used in a rare event that merges histories of two projects
that started their lives independently.
- * "git pull" has been taught to pass --allow-unrelated-histories
+ * "git pull" has been taught to pass the "--allow-unrelated-histories"
option to underlying "git merge".
* "git apply -v" learned to report paths in the patch that were
* When "git log" shows the log message indented by 4-spaces, the
remainder of a line after a HT does not align in the way the author
- originally intended. The command now expands tabs by default in
+ originally intended. The command now expands tabs by default to help
such a case, and allows the users to override it with a new option,
"--no-expand-tabs".
* "git rerere" can encounter two or more files with the same conflict
signature that have to be resolved in different ways, but there was
no way to record these separate resolutions.
- (merge d9d501b068 jc/rerere-multi later to maint).
* "git p4" learned to record P4 jobs in Git commit that imports from
the history in Perforce.
* "git describe --contains" often made a hard-to-justify choice of
- tag to give name to a given commit, because it tried to come up
+ tag to name a given commit, because it tried to come up
with a name with smallest number of hops from a tag, causing an old
commit whose close descendant that is recently tagged were not
described with respect to an old tag but with a newer tag. It did
is a lot easier to explain to the end users: "We describe a commit
in terms of the (chronologically) oldest tag that contains the
commit."
- (merge 7550424 js/name-rev-use-oldest-ref later to maint).
- * "git clone" learned "--shallow-submodules" option.
+ * "git clone" learned the "--shallow-submodules" option.
* HTTP transport clients learned to throw extra HTTP headers at the
server, specified via http.extraHeader configuration variable.
- * Patch output from "git diff" and friends has been tweaked to be
- more readable by using a blank line as a strong hint that the
- contents before and after it belong to a logically separate unit.
+ * The "--compaction-heuristic" option to "git diff" family of
+ commands enables a heuristic to make the patch output more readable
+ by using a blank line as a strong hint that the contents before and
+ after it belong to logically separate units. It is still
+ experimental.
* A new configuration variable core.hooksPath allows customizing
where the hook directory is.
(public, well-known) commit the original series was built on in
its output.
- * "git commit" learned to pay attention to "commit.verbose"
- configuration variable and act as if "--verbose" option was
- given from the command line.
+ * "git commit" learned to pay attention to the "commit.verbose"
+ configuration variable and act as if the "--verbose" option
+ was given from the command line.
- * Give hints to GMail users with two-factor auth enabled that
- they need app-specific-password when using send-email.
+ * Updated documentation gives hints to GMail users with two-factor
+ auth enabled that they need app-specific-password when using
+ "git send-email".
+
+ * The manpage output of our documentation did not render well in
+ terminal; typeset literals in bold by default to make them stand
+ out more.
+
+ * The mark-up in the top-level README.md file has been updated to
+ typeset CLI command names differently from the body text.
Performance, Internal Implementation, Development Support etc.
* A major part of "git submodule update" has been ported to C to take
advantage of the recently added framework to run download tasks in
- parallel.
+ parallel. Other updates to "git submodule" that move pieces of
+ logic to C continues.
* Rename bunch of tests on "git clone" for better organization.
do not attempt to look into refs/* when we know we do not have a
Git repository.
- * Code restructuring around the "refs" area to prepare for pluggable
+ * Code restructuring around the "refs" API to prepare for pluggable
refs backends.
- * Sources to many test helper binaries (and the generated helpers)
+ * Sources to many test helper binaries and the generated helpers
have been moved to t/helper/ subdirectory to reduce clutter at the
top level of the tree.
* Unify internal logic between "git tag -v" and "git verify-tag"
commands by making one directly call into the other.
- (merge bef234b st/verify-tag later to maint).
* "merge-recursive" strategy incorrectly checked if a path that is
involved in its internal merge exists in the working tree.
* As nobody maintains our in-tree git.spec.in and distros use their
own spec file, we stopped pretending that we support "make rpm".
- * Move from unsigned char[20] to struct object_id continues.
-
- * Update of "git submodule" to move pieces of logic to C continues.
+ * Move from "unsigned char[20]" to "struct object_id" continues.
* The code for warning_errno/die_errno has been refactored and a new
error_errno() reporting helper is introduced.
our tests under "bash", however, we can redirect the trace output
to another file descriptor to keep the standard error of programs
being tested intact.
- (merge d88785e jk/test-send-sh-x-trace-elsewhere later to maint).
* t0040 had too many unnecessary repetitions in its test data. Teach
test-parse-options program so that a caller can tell what it
expects in its output, so that these repetitions can be cleaned up.
- * Add perf test for "rebase -i"
+ * Add perf test for "rebase -i".
* Common mistakes when writing gitlink: in our documentation are
found by "make check-docs".
* t9xxx series has been updated primarily for readability, while
- fixing small bugs in it. A few scripted Porcelains have also been
- updated to fix possible bugs around their use of "test -z" and
- "test -n".
+ fixing small bugs in it. A few scripted Porcelain commands have
+ also been updated to fix possible bugs around their use of
+ "test -z" and "test -n".
* CI test was taught to run git-svn tests.
+ * "git cat-file --batch-all" has been sped up, by taking advantage
+ of the fact that it does not have to read a list of objects, in two
+ ways.
+
+ * test updates to make it more readable and maintainable.
+ (merge e6273f4 es/t1500-modernize later to maint).
+
+ * "make DEVELOPER=1" worked as expected; setting DEVELOPER=1 in
+ config.mak didn't.
+ (merge 51dd3e8 mm/makefile-developer-can-be-in-config-mak later to maint).
+
+ * The way how "submodule--helper list" signals unmatch error to its
+ callers has been updated.
+
+ * A bash-ism "local" has been removed from "git submodule" scripted
+ Porcelain.
+
Also contains various documentation updates and code clean-ups.
* Support for CRAM-MD5 authentication method in "git imap-send" did
not work well.
- * Upcoming OpenSSL 1.1.0 will break compilation b updating a few APIs
- we use in imap-send, which has been adjusted for the change.
+ * Upcoming OpenSSL 1.1.0 will break compilation by updating a few API
+ elements we use in imap-send, which has been adjusted for the change.
* The socks5:// proxy support added back in 2.6.4 days was not aware
- that socks5h:// proxies behave differently.
+ that socks5h:// proxies behave differently from socks5:// proxies.
* "git config" had a codepath that tried to pass a NULL to
printf("%s"), which nobody seems to have noticed.
* When "git merge" notices that the merge can be resolved purely at
the tree level (without having to merge blobs) and the resulting
tree happens to already exist in the object store, it forgot to
- update the index, which lead to an inconsistent state for later
- operations.
+ update the index, which left an inconsistent state that would
+ break later operations.
* "git submodule" reports the paths of submodules the command
- recurses into, but this was incorrect when the command was not run
- from the root level of the superproject.
+ recurses into, but these paths were incorrectly reported when
+ the command was not run from the root level of the superproject.
* The "user.useConfigOnly" configuration variable makes it an error
if users do not explicitly set user.name and user.email. However,
* "git rebase -m" could be asked to rebase an entire branch starting
from the root, but failed by assuming that there always is a parent
commit to the first commit on the branch.
- (merge 79f4344 bw/rebase-merge-entire-branch later to maint).
* Fix a broken "p4 lfs" test.
the configuration variable. This will stop requiring the users to
sign commit objects used internally as an implementation detail of
"git stash".
- (merge 6694856 jc/commit-tree-ignore-commit-gpgsign later to maint).
* "http.cookieFile" configuration variable clearly wants a pathname,
but we forgot to treat it as such by e.g. applying tilde expansion.
- (merge e5a39ad bn/http-cookiefile-config later to maint).
* Consolidate description of tilde-expansion that is done to
configuration variables that take pathname to a single place.
- (merge dca83ab jc/config-pathname-type later to maint).
* Correct faulty recommendation to use "git submodule deinit ." when
de-initialising all submodules, which would result in a strange
error message in a pathological corner case.
- (merge f6a5279 sb/submodule-deinit-all later to maint).
* Many 'linkgit:<git documentation page>' references were broken,
which are all fixed with this.
- (merge 1cca17d jc/linkgit-fix later to maint).
* "git rerere" can get confused by conflict markers deliberately left
by the inner merge step, because they are indistinguishable from
(merge 0f9fd5c jc/ll-merge-internal later to maint).
* CI test was taught to build documentation pages.
- (merge b98712b ls/travis-build-doc later to maint).
* "git fsck" learned to catch NUL byte in a commit object as
potential error and warn.
- (merge 6d2d780 jc/fsck-nul-in-commit later to maint).
* Portability enhancement for "rebase -i" to help platforms whose
shell does not like "for i in <empty>" (which is not POSIX-kosher).
- (merge 8e98b35 jk/rebase-interative-eval-fix later to maint).
* On Windows, .git and optionally any files whose name starts with a
dot are now marked as hidden, with a core.hideDotFiles knob to
customize this behaviour.
- (merge ebf31e7 js/windows-dotgit later to maint).
* Documentation for "git merge --verify-signatures" has been updated
to clarify that the signature of only the commit at the tip is
verified. Also the phrasing used for signature and key validity is
adjusted to align with that used by OpenPGP.
- (merge 05a5869 kf/gpg-sig-verification-doc later to maint).
* A couple of bugs around core.autocrlf have been fixed.
- (merge caa47ad tb/core-eol-fix later to maint).
* Many commands normalize command line arguments from NFD to NFC
variant of UTF-8 on OSX, but commands in the "diff" family did
not, causing "git diff $path" to complain that no such path is
known to Git. They have been taught to do the normalization.
- (merge 90a78b8 ar/diff-args-osx-precompose later to maint).
* "git difftool" learned to handle unmerged paths correctly in
dir-diff mode.
- (merge 366f9ce da/difftool later to maint).
* The "are we talking with TTY, doing an interactive session?"
detection has been updated to work better for "Git for Windows".
- (merge f7f90e0 kb/msys2-tty later to maint).
* We forgot to add "git log --decorate=auto" to documentation when we
added the feature back in v2.1.0 timeframe.
(merge 462cbb4 rj/log-decorate-auto later to maint).
+ * "git fast-import --export-marks" would overwrite the existing marks
+ file even when it makes a dump from its custom die routine.
+ Prevent it from doing so when we have an import-marks file but
+ haven't finished reading it.
+ (merge f4beed6 fc/fast-import-broken-marks-file later to maint).
+
+ * "git rebase -i", after it fails to auto-resolve the conflict, had
+ an unnecessary call to "git rerere" from its very early days, which
+ was spotted recently; the call has been removed.
+ (merge 7063693 js/rebase-i-dedup-call-to-rerere later to maint).
+
* Other minor clean-ups and documentation updates
- (merge 832c0e5 lp/typofixes later to maint).
- (merge f5ee54a sb/z-is-gnutar-ism later to maint).
- (merge 2e3926b va/i18n-misc-updates later to maint).
- (merge f212dcc bn/config-doc-tt-varnames later to maint).
- (merge f54bea4 nd/remote-plural-ours-plus-theirs later to maint).
- (merge 2bb0518 ak/t4151-ls-files-could-be-empty later to maint).
- (merge 4df4313 jc/test-seq later to maint).
- (merge a75a308 tb/t5601-sed-fix later to maint).
- (merge 6c1fbe1 va/i18n-remote-comment-to-align later to maint).
- (merge dee2303 va/mailinfo-doc-typofix later to maint).
+ (merge cd82b7a pa/cherry-pick-doc-typo later to maint).
+ (merge 2bb73ae rs/patch-id-use-skip-prefix later to maint).
+ (merge aa20cbc rs/apply-name-terminate later to maint).
+ (merge fe17fc0 jc/t2300-setup later to maint).
+ (merge e256eec jk/shell-portability later to maint).