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Diffstat (limited to 'Documentation/RelNotes/2.19.0.txt')
| -rw-r--r-- | Documentation/RelNotes/2.19.0.txt | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.19.0.txt b/Documentation/RelNotes/2.19.0.txt index 7a5c5b82d4..5075bad51f 100644 --- a/Documentation/RelNotes/2.19.0.txt +++ b/Documentation/RelNotes/2.19.0.txt @@ -32,6 +32,39 @@ UI, Workflows & Features automatically switch to quoted-printable when there is such a line in the payload has been introduced and is made the default. + * "git checkout" and "git worktree add" learned to honor + checkout.defaultRemote when auto-vivifying a local branch out of a + remote tracking branch in a repository with multiple remotes that + have tracking branches that share the same names. + (merge 8d7b558bae ab/checkout-default-remote later to maint). + + * "git grep" learned the "--only-matching" option. + + * "git rebase --rebase-merges" mode now handles octopus merges as + well. + + * Add a server-side knob to skip commits in exponential/fibbonacci + stride in an attempt to cover wider swath of history with a smaller + number of iterations, potentially accepting a larger packfile + transfer, instead of going back one commit a time during common + ancestor discovery during the "git fetch" transaction. + (merge 42cc7485a2 jt/fetch-negotiator-skipping later to maint). + + * A new configuration variable core.usereplacerefs has been added, + primarily to help server installations that want to ignore the + replace mechanism altogether. + + * Teach "git tag -s" etc. a few configuration variables (gpg.format + that can be set to "openpgp" or "x509", and gpg.<format>.program + that is used to specify what program to use to deal with the format) + to allow x.509 certs with CMS via "gpgsm" to be used instead of + openpgp via "gnupg". + + * Many more strings are prepared for l10n. + + * "git p4 submit" learns to ask its own pre-submit hook if it should + continue with submitting. + Performance, Internal Implementation, Development Support etc. @@ -94,6 +127,72 @@ Performance, Internal Implementation, Development Support etc. * test-lint now looks for broken use of "VAR=VAL shell_func" in test scripts. + * Conversion from uchar[40] to struct object_id continues. + + * Recent "security fix" to pay attention to contents of ".gitmodules" + while accepting "git push" was a bit overly strict than necessary, + which has been adjusted. + + * "git fsck" learns to make sure the optional commit-graph file is in + a sane state. + + * "git diff --color-moved" feature has further been tweaked. + + * Code restructuring and a small fix to transport protocol v2 during + fetching. + + * Parsing of -L[<N>][,[<M>]] parameters "git blame" and "git log" + take has been tweaked. + + * lookup_commit_reference() and friends have been updated to find + in-core object for a specific in-core repository instance. + + * Various glitches in the heuristics of merge-recursive strategy have + been documented in new tests. + + * "git fetch" learned a new option "--negotiation-tip" to limit the + set of commits it tells the other end as "have", to reduce wasted + bandwidth and cycles, which would be helpful when the receiving + repository has a lot of refs that have little to do with the + history at the remote it is fetching from. + + * For a large tree, the index needs to hold many cache entries + allocated on heap. These cache entries are now allocated out of a + dedicated memory pool to amortize malloc(3) overhead. + + * Tests to cover various conflicting cases have been added for + merge-recursive. + + * Tests to cover conflict cases that involve submodules have been + added for merge-recursive. + + * Look for broken "&&" chains that are hidden in subshell, many of + which have been found and corrected. + + * The singleton commit-graph in-core instance is made per in-core + repository instance. + + * "make DEVELOPER=1 DEVOPTS=pedantic" allows developers to compile + with -pedantic option, which may catch more problematic program + constructs and potential bugs. + + * Preparatory code to later add json output for telemetry data has + been added. + + * Update the way we use Coccinelle to find out-of-style code that + need to be modernised. + + * It is too easy to misuse system API functions such as strcat(); + these selected functions are now forbidden in this codebase and + will cause a compilation failure. + + * Add a script (in contrib/) to help users of VSCode work better with + our codebase. + + * The Travis CI scripts were taught to ship back the test data from + failed tests. + (merge aea8879a6a sg/travis-retrieve-trash-upon-failure later to maint). + Fixes since v2.18 ----------------- @@ -223,6 +322,83 @@ Fixes since v2.18 * core.commentchar is now honored when preparing the list of commits to replay in "rebase -i". + * "git pull --rebase" on a corrupt HEAD caused a segfault. In + general we substitute an empty tree object when running the in-core + equivalent of the diff-index command, and the codepath has been + corrected to do so as well to fix this issue. + (merge 3506dc9445 jk/has-uncommitted-changes-fix later to maint). + + * httpd tests saw occasional breakage due to the way its access log + gets inspected by the tests, which has been updated to make them + less flaky. + (merge e8b3b2e275 sg/httpd-test-unflake later to maint). + + * Tests to cover more D/F conflict cases have been added for + merge-recursive. + + * "git gc --auto" opens file descriptors for the packfiles before + spawning "git repack/prune", which would upset Windows that does + not want a process to work on a file that is open by another + process. The issue has been worked around. + (merge 12e73a3ce4 kg/gc-auto-windows-workaround later to maint). + + * The recursive merge strategy did not properly ensure there was no + change between HEAD and the index before performing its operation, + which has been corrected. + (merge 55f39cf755 en/dirty-merge-fixes later to maint). + + * "git rebase" started exporting GIT_DIR environment variable and + exposing it to hook scripts when part of it got rewritten in C. + Instead of matching the old scripted Porcelains' behaviour, + compensate by also exporting GIT_WORK_TREE environment as well to + lessen the damage. This can harm existing hooks that want to + operate on different repository, but the current behaviour is + already broken for them anyway. + (merge ab5e67d751 bc/sequencer-export-work-tree-as-well later to maint). + + * "git send-email" when using in a batched mode that limits the + number of messages sent in a single SMTP session lost the contents + of the variable used to choose between tls/ssl, unable to send the + second and later batches, which has been fixed. + (merge 636f3d7ac5 jm/send-email-tls-auth-on-batch later to maint). + + * The lazy clone support had a few places where missing but promised + objects were not correctly tolerated, which have been fixed. + + * One of the "diff --color-moved" mode "dimmed_zebra" that was named + in an unusual way has been deprecated and replaced by + "dimmed-zebra". + (merge e3f2f5f9cd es/diff-color-moved-fix later to maint). + + * The wire-protocol v2 relies on the client to send "ref prefixes" to + limit the bandwidth spent on the initial ref advertisement. "git + clone" when learned to speak v2 forgot to do so, which has been + corrected. + (merge 402c47d939 bw/clone-ref-prefixes later to maint). + + * "git diff --histogram" had a bad memory usage pattern, which has + been rearranged to reduce the peak usage. + (merge 79cb2ebb92 sb/histogram-less-memory later to maint). + + * Code clean-up to use size_t/ssize_t when they are the right type. + (merge 7726d360b5 jk/size-t later to maint). + + * The wire-protocol v2 relies on the client to send "ref prefixes" to + limit the bandwidth spent on the initial ref advertisement. "git + fetch $remote branch:branch" that asks tags that point into the + history leading to the "branch" automatically followed sent to + narrow prefix and broke the tag following, which has been fixed. + (merge 2b554353a5 jt/tag-following-with-proto-v2-fix later to maint). + + * When the sparse checkout feature is in use, "git cherry-pick" and + other mergy operations lost the skip_worktree bit when a path that + is excluded from checkout requires content level merge, which is + resolved as the same as the HEAD version, without materializing the + merge result in the working tree, which made the path appear as + deleted. This has been corrected by preserving the skip_worktree + bit (and not materializing the file in the working tree). + (merge 2b75fb601c en/merge-recursive-skip-fix later to maint). + * Code cleanup, docfix, build fix, etc. (merge aee9be2ebe sg/update-ref-stdin-cleanup later to maint). (merge 037714252f jc/clean-after-sanity-tests later to maint). @@ -237,3 +413,11 @@ Fixes since v2.18 (merge 5cf8e06474 js/enhanced-version-info later to maint). (merge 6aaded5509 tb/config-default later to maint). (merge 022d2ac1f3 sb/blame-color later to maint). + (merge 5a06a20e0c bp/test-drop-caches-for-windows later to maint). + (merge dd61cc1c2e jk/ui-color-always-to-auto later to maint). + (merge 1e83b9bfdd sb/trailers-docfix later to maint). + (merge ab29f1b329 sg/fast-import-dump-refs-on-checkpoint-fix later to maint). + (merge 6a8ad880f0 jn/subtree-test-fixes later to maint). + (merge ffbd51cc60 nd/pack-objects-threading-doc later to maint). + (merge e9dac7be60 es/mw-to-git-chain-fix later to maint). + (merge fe583c6c7a rs/remote-mv-leakfix later to maint). |