diff options
Diffstat (limited to 'Documentation/RelNotes/2.12.0.txt')
| -rw-r--r-- | Documentation/RelNotes/2.12.0.txt | 310 |
1 files changed, 255 insertions, 55 deletions
diff --git a/Documentation/RelNotes/2.12.0.txt b/Documentation/RelNotes/2.12.0.txt index 2a19064f6e..29154805b4 100644 --- a/Documentation/RelNotes/2.12.0.txt +++ b/Documentation/RelNotes/2.12.0.txt @@ -11,8 +11,10 @@ Backward compatibility notes. is not scheduled to happen in the upcoming release (yet). * The historical argument order "git merge <msg> HEAD <commit>..." - has been deprecated for quite some time, and will be removed in the - upcoming release. + has been deprecated for quite some time, and will be removed in a + future release. + + * An ancient script "git relink" has been removed. Updates since v2.11 @@ -64,7 +66,73 @@ UI, Workflows & Features * Some platforms no longer understand "latin-1" that is still seen in the wild in e-mail headers; replace them with "iso-8859-1" that is more widely known when conversion fails from/to it. - (merge df3755888b jc/latin-1 later to maint). + + * "git grep" has been taught to optionally recurse into submodules. + + * "git rm" used to refuse to remove a submodule when it has its own + git repository embedded in its working tree. It learned to move + the repository away to $GIT_DIR/modules/ of the superproject + instead, and allow the submodule to be deleted (as long as there + will be no loss of local modifications, that is). + + * A recent updates to "git p4" was not usable for older p4 but it + could be made to work with minimum changes. Do so. + + * "git diff" learned diff.interHunkContext configuration variable + that gives the default value for its --inter-hunk-context option. + + * The prereleaseSuffix feature of version comparison that is used in + "git tag -l" did not correctly when two or more prereleases for the + same release were present (e.g. when 2.0, 2.0-beta1, and 2.0-beta2 + are there and the code needs to compare 2.0-beta1 and 2.0-beta2). + + * "git submodule push" learned "--recurse-submodules=only option to + push submodules out without pushing the top-level superproject. + + * "git tag" and "git verify-tag" learned to put GPG verification + status in their "--format=<placeholders>" output format. + + * An ancient repository conversion tool left in contrib/ has been + removed. + + * "git show-ref HEAD" used with "--verify" because the user is not + interested in seeing refs/remotes/origin/HEAD, and used with + "--head" because the user does not want HEAD to be filtered out, + i.e. "git show-ref --head --verify HEAD", did not work as expected. + + * "git submodule add" used to be confused and refused to add a + locally created repository; users can now use "--force" option + to add them. + (merge 619acfc78c sb/submodule-add-force later to maint). + + * Some people feel the default set of colors used by "git log --graph" + rather limiting. A mechanism to customize the set of colors has + been introduced. + + * "git read-tree" and its underlying unpack_trees() machinery learned + to report problematic paths prefixed with the --super-prefix option. + + * When a submodule "A", which has another submodule "B" nested within + it, is "absorbed" into the top-level superproject, the inner + submodule "B" used to be left in a strange state. The logic to + adjust the .git pointers in these submodules has been corrected. + + * The user can specify a custom update method that is run when + "submodule update" updates an already checked out submodule. This + was ignored when checking the submodule out for the first time and + we instead always just checked out the commit that is bound to the + path in the superproject's index. + + * The command line completion (in contrib/) learned that + "git diff --submodule=" can take "diff" as a recently added option. + + * The "core.logAllRefUpdates" that used to be boolean has been + enhanced to take 'always' as well, to record ref updates to refs + other than the ones that are expected to be updated (i.e. branches, + remote-tracking branches and notes). + + * Comes with more command line completion (in contrib/) for recently + introduced options. Performance, Internal Implementation, Development Support etc. @@ -75,32 +143,55 @@ Performance, Internal Implementation, Development Support etc. code with "git interpret-trailer". * The default Travis-CI configuration specifies newer P4 and GitLFS. - (merge 5f703e8f02 ls/travis-update-p4-and-lfs later to maint). * The "fast hash" that had disastrous performance issues in some corner cases has been retired from the internal diff. * The character width table has been updated to match Unicode 9.0 - (merge 9e6e9aefdf bb/unicode-9.0 later to maint). * Update the procedure to generate "tags" for developer support. - (merge 046e4c1c09 jk/make-tags-find-sources-tweak later to maint). * The codeflow of setting NOATIME and CLOEXEC on file descriptors Git opens has been simplified. - (merge b4d065df03 jc/git-open-cloexec later to maint). * "git diff" and its family had two experimental heuristics to shift the contents of a hunk to make the patch easier to read. One of them turns out to be better than the other, so leave only the "--indent-heuristic" option and remove the other one. - (merge 3cde4e02ee jc/retire-compaction-heuristics later to maint). * A new submodule helper "git submodule embedgitdirs" to make it easier to move embedded .git/ directory for submodules in a superproject to .git/modules/ (and point the latter with the former that is turned into a "gitdir:" file) has been added. + * "git push \\server\share\dir" has recently regressed and then + fixed. A test has retroactively been added for this breakage. + + * Build updates for Cygwin. + + * The implementation of "real_path()" was to go there with chdir(2) + and call getcwd(3), but this obviously wouldn't be usable in a + threaded environment. Rewrite it to manually resolve relative + paths including symbolic links in path components. + + * Adjust documentation to help AsciiDoctor render better while not + breaking the rendering done by AsciiDoc. + + * The sequencer machinery has been further enhanced so that a later + set of patches can start using it to reimplement "rebase -i". + + * Update the definition of the MacOSX test environment used by + TravisCI. + + * Rewrite a scripted porcelain "git difftool" in C. + + * "make -C t failed" will now run only the tests that failed in the + previous run. This is usable only when prove is not use, and gives + a useless error message when run after "make clean", but otherwise + is serviceable. + + * "uchar [40]" to "struct object_id" conversion continues. + Also contains various documentation updates and code clean-ups. @@ -115,78 +206,62 @@ notes for details). standard I/O streams are connected to a TTY, but isatty() that comes with Windows incorrectly returned true if it is used on NUL (i.e. an equivalent to /dev/null). This has been fixed. - (merge cbb3f3c9b1 js/mingw-isatty later to maint). * "git svn" did not work well with path components that are "0", and some configuration variable it uses were not documented. - (merge ea9a93dcc2 ew/svn-fixes later to maint). * "git rev-parse --symbolic" failed with a more recent notation like "HEAD^-1" and "HEAD^!". - (merge a2e7b04c44 jk/rev-parse-symbolic-parents-fix later to maint). * An empty directory in a working tree that can simply be nuked used to interfere while merging or cherry-picking a change to create a submodule directory there, which has been fixed.. - (merge 5423d2e700 dt/empty-submodule-in-merge later to maint). * The code in "git push" to compute if any commit being pushed in the superproject binds a commit in a submodule that hasn't been pushed out was overly inefficient, making it unusable even for a small project that does not have any submodule but have a reasonable number of refs. - (merge 250ab24ab3 hv/submodule-not-yet-pushed-fix later to maint). * "git push --dry-run --recurse-submodule=on-demand" wasn't "--dry-run" in the submodules. - (merge 0301c821c5 bw/push-dry-run later to maint). * The output from "git worktree list" was made in readdir() order, and was unstable. - (merge 4df1d4d466 nd/worktree-list-fixup later to maint). * mergetool.<tool>.trustExitCode configuration variable did not apply to built-in tools, but now it does. - (merge 2967284456 da/mergetool-trust-exit-code later to maint). * "git p4" LFS support was broken when LFS stores an empty blob. - (merge d5eb3cf5e7 ls/p4-empty-file-on-lfs later to maint). * A corner case in merge-recursive regression that crept in during 2.10 development cycle has been fixed. - (merge 1c25d2d8ed jc/renormalize-merge-kill-safer-crlf later to maint). * Transport with dumb http can be fooled into following foreign URLs that the end user does not intend to, especially with the server side redirects and http-alternates mechanism, which can lead to security issues. Tighten the redirection and make it more obvious to the end user when it happens. - (merge cb4d2d35c4 jk/http-walker-limit-redirect-2.9 later to maint). * Update the error messages from the dumb-http client when it fails to obtain loose objects; we used to give sensible error message only upon 404 but we now forbid unexpected redirects that needs to be reported with something sensible. - (merge 3680f16f9d jk/http-walker-limit-redirect later to maint). * When diff.renames configuration is on (and with Git 2.9 and later, it is enabled by default, which made it worse), "git stash" misbehaved if a file is removed and another file with a very similar content is added. - (merge 9d4e28ead5 jk/stash-disable-renames-internally later to maint). * "git diff --no-index" did not take "--no-abbrev" option. - (merge 43d1948b7b jb/diff-no-index-no-abbrev later to maint). * "git difftool --dir-diff" had a minor regression when started from a subdirectory, which has been fixed. - (merge 853e10c197 da/difftool-dir-diff-fix later to maint). * "git commit --allow-empty --only" (no pathspec) with dirty index ought to be an acceptable way to create a new commit that does not change any paths, but it was forbidden, perhaps because nobody needed it so far. - (merge beb635ca9c ak/commit-only-allow-empty later to maint). * Git 2.11 had a minor regression in "merge --ff-only" that competed with another process that simultanously attempted to update the @@ -196,26 +271,21 @@ notes for details). * A pathname that begins with "//" or "\\" on Windows is special but path normalization logic was unaware of it. - (merge 7814fbe3f1 js/normalize-path-copy-ceil later to maint). * "git pull --rebase", when there is no new commits on our side since we forked from the upstream, should be able to fast-forward without invoking "git rebase", but it didn't. - (merge 33b842a1e9 jc/pull-rebase-ff later to maint). * The way to specify hotkeys to "xxdiff" that is used by "git mergetool" has been modernized to match recent versions of xxdiff. - (merge 6cf5f6cef7 da/mergetool-xxdiff-hotkey later to maint). * Unlike "git am --abort", "git cherry-pick --abort" moved HEAD back to where cherry-pick started while picking multiple changes, when the cherry-pick stopped to ask for help from the user, and the user did "git reset --hard" to a different commit in order to re-attempt the operation. - (merge ce73bb22d8 sb/sequencer-abort-safety later to maint). * Code cleanup in shallow boundary computation. - (merge 649b0c316a nd/shallow-fixup later to maint). * A recent update to receive-pack to make it easier to drop garbage objects made it clear that GIT_ALTERNATE_OBJECT_DIRECTORIES cannot @@ -223,78 +293,208 @@ notes for details). made it impossible to push into a repository at such a path. This has been fixed by introducing a quoting mechanism used when appending such a path to the colon-separated list. - (merge 5e74824fac jk/quote-env-path-list-component later to maint). * The function usage_msg_opt() has been updated to say "fatal:" before the custom message programs give, when they want to die with a message about wrong command line options followed by the standard usage string. - (merge 87433261a4 jk/parseopt-usage-msg-opt later to maint). * "git index-pack --stdin" needs an access to an existing repository, but "git index-pack file.pack" to generate an .idx file that corresponds to a packfile does not. - (merge 29401e1575 jk/index-pack-wo-repo-from-stdin later to maint). * Fix for NDEBUG builds. - (merge 08414938a2 jt/mailinfo-fold-in-body-headers later to maint). * A lazy "git push" without refspec did not internally use a fully specified refspec to perform 'current', 'simple', or 'upstream' push, causing unnecessary "ambiguous ref" errors. - (merge b284495e93 jc/push-default-explicit later to maint). * "git p4" misbehaved when swapping a directory and a symbolic link. - (merge df8a9e86db ld/p4-compare-dir-vs-symlink later to maint). * Even though an fix was attempted in Git 2.9.3 days, but running "git difftool --dir-diff" from a subdirectory never worked. This has been fixed. - (merge ce6926974e jk/difftool-in-subdir later to maint). * "git p4" that tracks multile p4 paths imported a single changelist that touches files in these multiple paths as one commit, followed by many empty commits. This has been fixed. - (merge 9943e5b979 gv/p4-multi-path-commit-fix later to maint). * A potential but unlikely buffer overflow in Windows port has been fixed. - (merge c46458e82f mk/mingw-winansi-ttyname-termination-fix later to maint). * When the http server gives an incomplete response to a smart-http rpc call, it could lead to client waiting for a full response that will never come. Teach the client side to notice this condition and abort the transfer. - (merge f8edeaa05d dt/smart-http-detect-server-going-away later to maint). * Compression setting for producing packfiles were spread across three codepaths, one of which did not honor any configuration. Unify these so that all of them honor core.compression and pack.compression variables the same way. - (merge 8de7eeb54b jc/compression-config later to maint). * "git fast-import" sometimes mishandled while rebalancing notes tree, which has been fixed. - (merge 405d7f4af6 mh/fast-import-notes-fix-new later to maint). * Recent update to the default abbreviation length that auto-scales lacked documentation update, which has been corrected. - (merge 48d5014dd4 jc/abbrev-autoscale-config later to maint). * Leakage of lockfiles in the config subsystem has been fixed. - (merge c06fa62dfc nd/config-misc-fixes later to maint). + + * It is natural that "git gc --auto" may not attempt to pack + everything into a single pack, and there is no point in warning + when the user has configured the system to use the pack bitmap, + leading to disabling further "gc". + + * "git archive" did not read the standard configuration files, and + failed to notice a file that is marked as binary via the userdiff + driver configuration. + + * "git blame --porcelain" misidentified the "previous" <commit, path> + pair (aka "source") when contents came from two or more files. + + * "git rebase -i" with a recent update started showing an incorrect + count when squashing more than 10 commits. + + * "git <cmd> @{push}" on a detached HEAD used to segfault; it has + been corrected to error out with a message. + + * Running "git add a/b" when "a" is a submodule correctly errored + out, but without a meaningful error message. + (merge 2d81c48fa7 sb/pathspec-errors later to maint). + + * Typing ^C to pager, which usually does not kill it, killed Git and + took the pager down as a collateral damage in certain process-tree + structure. This has been fixed. + + * "git mergetool" without any pathspec on the command line that is + run from a subdirectory became no-op in Git v2.11 by mistake, which + has been fixed. + + * Retire long unused/unmaintained gitview from the contrib/ area. + (merge 3120925c25 sb/remove-gitview later to maint). + + * Tighten a test to avoid mistaking an extended ERE regexp engine as + a PRE regexp engine. + + * An error message with an ASCII control character like '\r' in it + can alter the message to hide its early part, which is problematic + when a remote side gives such an error message that the local side + will relay with a "remote: " prefix. + (merge f290089879 jk/vreport-sanitize later to maint). + + * "git fsck" inspects loose objects more carefully now. + (merge cce044df7f jk/loose-object-fsck later to maint). + + * A crashing bug introduced in v2.11 timeframe has been found (it is + triggerable only in fast-import) and fixed. + (merge abd5a00268 jk/clear-delta-base-cache-fix later to maint). + + * With an anticipatory tweak for remotes defined in ~/.gitconfig + (e.g. "remote.origin.prune" set to true, even though there may or + may not actually be "origin" remote defined in a particular Git + repository), "git remote rename" and other commands misinterpreted + and behaved as if such a non-existing remote actually existed. + (merge e459b073fb js/remote-rename-with-half-configured-remote later to maint). + + * A few codepaths had to rely on a global variable when sorting + elements of an array because sort(3) API does not allow extra data + to be passed to the comparison function. Use qsort_s() when + natively available, and a fallback implementation of it when not, + to eliminate the need, which is a prerequisite for making the + codepath reentrant. + + * "git fsck --connectivity-check" was not working at all. + (merge a2b22854bd jk/fsck-connectivity-check-fix later to maint). + + * After starting "git rebase -i", which first opens the user's editor + to edit the series of patches to apply, but before saving the + contents of that file, "git status" failed to show the current + state (i.e. you are in an interactive rebase session, but you have + applied no steps yet) correctly. + (merge df9ded4984 js/status-pre-rebase-i later to maint). + + * Test tweak for FreeBSD where /usr/bin/unzip is unsuitable to run + our tests but /usr/local/bin/unzip is usable. + (merge d98b2c5fce js/unzip-in-usr-bin-workaround later to maint). + + * "git p4" did not work well with multiple git-p4.mapUser entries on + Windows. + (merge c3c2b05776 gv/mingw-p4-mapuser later to maint). + + * "git help" enumerates executable files in $PATH; the implementation + of "is this file executable?" on Windows has been optimized. + (merge c755015f79 hv/mingw-help-is-executable later to maint). + + * Test tweaks for those who have default ACL in their git source tree + that interfere with the umask test. + (merge d549d21307 mm/reset-facl-before-umask-test later to maint). + + * Names of the various hook scripts must be spelled exactly, but on + Windows, an .exe binary must be named with .exe suffix; notice + $GIT_DIR/hooks/<hookname>.exe as a valid <hookname> hook. + (merge 235be51fbe js/mingw-hooks-with-exe-suffix later to maint). + + * Asciidoctor, an alternative reimplementation of AsciiDoc, still + needs some changes to work with documents meant to be formatted + with AsciiDoc. "make USE_ASCIIDOCTOR=YesPlease" to use it out of + the box to document our pages is getting closer to reality. + + * Correct command line completion (in contrib/) on "git svn" + (merge 2cbad17642 ew/complete-svn-authorship-options later to maint). + + * Incorrect usage help message for "git worktree prune" has been fixed. + (merge 2488dcab22 ps/worktree-prune-help-fix later to maint). + + * Adjust a perf test to new world order where commands that do + require a repository are really strict about having a repository. + (merge c86000c1a7 rs/p5302-create-repositories-before-tests later to maint). + + * "git log --graph" did not work well with "--name-only", even though + other forms of "diff" output were handled correctly. + (merge f5022b5fed jk/log-graph-name-only later to maint). + + * The push-options given via the "--push-options" option were not + passed through to external remote helpers such as "smart HTTP" that + are invoked via the transport helper. + + * The documentation explained what "git stash" does to the working + tree (after stashing away the local changes) in terms of "reset + --hard", which was exposing an unnecessary implementation detail. + (merge 20a7e06172 tg/stash-doc-cleanup later to maint). + + * When "git p4" imports changelist that removes paths, it failed to + convert pathnames when the p4 used encoding different from the one + used on the Git side. This has been corrected. + (merge a8b05162e8 ls/p4-path-encoding later to maint). + + * A new coccinelle rule that catches a check of !pointer before the + pointer is free(3)d, which most likely is a bug. + (merge ec6cd14c7a rs/cocci-check-free-only-null later to maint). + + * "ls-files" run with pathspec has been micro-optimized to avoid + having to memmove(3) unnecessary bytes. + (merge 96f6d3f61a rs/ls-files-partial-optim later to maint). + + * A hotfix for a topic already in 'master'. + (merge a4d92d579f js/mingw-isatty later to maint). * Other minor doc, test and build updates and code cleanups. - (merge fa6ca11105 nd/qsort-in-merge-recursive later to maint). - (merge fa3142c919 ak/lazy-prereq-mktemp later to maint). - (merge 9c48b4fb23 ls/t0021-fixup later to maint). - (merge 584f99c87b sb/unpack-trees-grammofix later to maint). - (merge 54471fdcc3 jk/readme-gmane-is-no-more later to maint). - (merge 9e189f1a5c sb/t3600-cleanup later to maint). - (merge e2c20be57c lr/doc-fix-cet later to maint). - (merge 47437fd3bd kh/tutorial-grammofix later to maint). (merge f2627d9b19 sb/submodule-config-cleanup later to maint). - (merge 7eeda8b821 ls/filter-process later to maint). - (merge 6cc823c5c1 jt/fetch-no-redundant-tag-fetch-map later to maint). - (merge 235ec24352 mm/push-social-engineering-attack-doc later to maint). - (merge f1350d0c12 mm/gc-safety-doc later to maint). + (merge 384f1a167b sb/unpack-trees-cleanup later to maint). + (merge 874444b704 rh/diff-orderfile-doc later to maint). + (merge eafd5d9483 cw/doc-sign-off later to maint). + (merge 0aaad415bc rs/absolute-pathdup later to maint). + (merge 4432dd6b5b rs/receive-pack-cleanup later to maint). + (merge 540a398e9c sg/mailmap-self later to maint). + (merge 209df269a6 nd/rev-list-all-includes-HEAD-doc later to maint). + (merge 941b9c5270 sb/doc-unify-bottom later to maint). + (merge 2aaf37b62c jk/doc-remote-helpers-markup-fix later to maint). + (merge e91461b332 jk/doc-submodule-markup-fix later to maint). + (merge 8ab9740d9f dp/submodule-doc-markup-fix later to maint). + (merge 0838cbc22f jk/tempfile-ferror-fclose-confusion later to maint). + (merge 115a40add6 dr/doc-check-ref-format-normalize later to maint). + (merge 133f0a299d gp/document-dotfiles-in-templates-are-not-copied later to maint). + (merge 2b35a9f4c7 bc/blame-doc-fix later to maint). + (merge 7e82388024 ps/doc-gc-aggressive-depth-update later to maint). + (merge 9993a7c5f1 bc/worktree-doc-fix-detached later to maint). + (merge e519eccdf4 rt/align-add-i-help-text later to maint). |