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Diffstat (limited to 'Documentation/RelNotes/2.20.0.txt')
| -rw-r--r-- | Documentation/RelNotes/2.20.0.txt | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.20.0.txt b/Documentation/RelNotes/2.20.0.txt index fa16dda07a..4b546d025f 100644 --- a/Documentation/RelNotes/2.20.0.txt +++ b/Documentation/RelNotes/2.20.0.txt @@ -14,6 +14,21 @@ Backward Compatibility Notes which means some fetches of tags that did not fail with older version of Git will fail without "--force" with this version. + * "git help -a" now gives verbose output (same as "git help -av"). + Those who want the old output may say "git help --no-verbose -a".. + + * "git cpn --help", when "cpn" is an alias to, say, "cherry-pick -n", + reported only the alias expansion of "cpn" in earlier versions of + Git. It now runs "git cherry-pick --help" to show the manual page + of the command, while sending the alias expansion to the standard + error stream. + + * "git send-email" learned to grab address-looking string on any + trailer whose name ends with "-by". This is a backward-incompatible + change. Adding "--suppress-cc=misc-by" on the command line, or + setting sendemail.suppresscc configuration variable to "misc-by", + can be used to disable this behaviour. + Updates since v2.19 ------------------- @@ -69,6 +84,71 @@ UI, Workflows & Features * The completion script (in contrib/) learned to complete a handful of options "git stash list" command takes. + * The completion script (in contrib/) learned that "git fetch + --multiple" only takes remote names as arguments and no refspecs. + + * "git status" learns to show progress bar when refreshing the index + takes a long time. + (merge ae9af12287 nd/status-refresh-progress later to maint). + + * "git help -a" and "git help -av" give different pieces of + information, and generally the "verbose" version is more friendly + to the new users. "git help -a" by default now uses the more + verbose output (with "--no-verbose", you can go back to the + original). Also "git help -av" now lists aliases and external + commands, which it did not used to. + + * Unlike "grep", "git grep" by default recurses to the whole tree. + The command learned "git grep --recursive" option, so that "git + grep --no-recursive" can serve as a synonym to setting the + max-depth to 0. + + * When pushing into a repository that borrows its objects from an + alternate object store, "git receive-pack" that responds to the + push request on the other side lists the tips of refs in the + alternate to reduce the amount of objects transferred. This + sometimes is detrimental when the number of refs in the alternate + is absurdly large, in which case the bandwidth saved in potentially + fewer objects transferred is wasted in excessively large ref + advertisement. The alternate refs that are advertised are now + configurable with a pair of configuration variables. + + * "git cmd --help" when "cmd" is aliased used to only say "cmd is + aliased to ...". Now it shows that to the standard error stream + and runs "git $cmd --help" where $cmd is the first word of the + alias expansion. + + * The documentation of "git gc" has been updated to mention that it + is no longer limited to "pruning away crufts" but also updates + ancillary files like commit-graph as a part of repository + optimization. + + * "git p4 unshelve" improvements. + + * The logic to select the default user name and e-mail on Windows has + been improved. + (merge 501afcb8b0 js/mingw-default-ident later to maint). + + * The "rev-list --filter" feature learned to exclude all trees via + "tree:0" filter. + + * "git send-email" learned to grab address-looking string on any + trailer whose name ends with "-by"; --suppress-cc=misc-by on the + command line, or setting sendemail.suppresscc configuration + variable to "misc-by", can be used to disable this behaviour. + + * Developer builds now uses -Wunused-function compilation option. + + * One of our CI tests to run with "unusual/experimental/random" + settings now also uses commit-graph and midx. + + * "git mergetool" learned to take the "--[no-]gui" option, just like + "git difftool" does. + + * "git rebase -i" learned a new insn, 'break', that the user can + insert in the to-do list. Upon hitting it, the command returns + control back to the user. + Performance, Internal Implementation, Development Support etc. @@ -132,6 +212,62 @@ Performance, Internal Implementation, Development Support etc. point running gc to improve the situation); we used to exit with failure in such a case. + * Various codepaths in the core-ish part learned to work on an + arbitrary in-core index structure, not necessarily the default + instance "the_index". + (merge b3c7eef9b0 nd/the-index later to maint). + + * Code clean-up in the internal machinery used by "git status" and + "git commit --dry-run". + (merge 73ba5d78b4 ss/wt-status-committable later to maint). + + * Some environment variables that control the runtime options of Git + used during tests are getting renamed for consistency. + (merge 4231d1ba99 bp/rename-test-env-var later to maint). + + * A new extension to the index file has been introduced, which allows + the index file to be read in parallel for performance. + + * The oidset API was built on top of the oidmap API which in turn is + on the hashmap API. Replace the implementation to build on top of + the khash API and gain performance. + + * Over some transports, fetching objects with an exact commit object + name can be done without first seeing the ref advertisements. The + code has been optimized to exploit this. + + * In a partial clone that will lazily be hydrated from the + originating repository, we generally want to avoid "does this + object exist (locally)?" on objects that we deliberately omitted + when we created the clone. The cache-tree codepath (which is used + to write a tree object out of the index) however insisted that the + object exists, even for paths that are outside of the partial + checkout area. The code has been updated to avoid such a check. + + * To help developers, an EditorConfig file that attempts to follow + the project convention has been added. + (merge b548d698a0 bc/editorconfig later to maint). + + * The result of coverage test can be combined with "git blame" to + check the test coverage of code introduced recently with a new + 'coverage-diff' tool (in contrib/). + (merge 783faedd65 ds/coverage-diff later to maint). + + * An experiment to fuzz test a few areas, hopefully we can gain more + coverage to various areas. + + * More codepaths are moving away from hardcoded hash sizes. + + * The way the Windows port figures out the current directory has been + improved. + + * The way DLLs are loaded on the Windows port has been improved. + + * Some tests have been reorganized and renamed; "ls t/" now gives a + better overview of what is tested for these scripts than before. + + * "git rebase" and "git rebase -i" have been reimplemented in C. + Fixes since v2.19 ----------------- @@ -209,6 +345,55 @@ Fixes since v2.19 used for the first run, which has been corrected. (merge 3e73cc62c0 en/status-multiple-renames-to-the-same-target-fix later to maint). + * "git fetch $repo $object" in a partial clone did not correctly + fetch the asked-for object that is referenced by an object in + promisor packfile, which has been fixed. + + * A corner-case bugfix. + (merge c5cbb27cb5 sm/show-superproject-while-conflicted later to maint). + + * Various fixes to "diff --color-moved-ws". + + * A partial clone that is configured to lazily fetch missing objects + will on-demand issue a "git fetch" request to the originating + repository to fill not-yet-obtained objects. The request has been + optimized for requesting a tree object (and not the leaf blob + objects contained in it) by telling the originating repository that + no blobs are needed. + (merge 4c7f9567ea jt/non-blob-lazy-fetch later to maint). + + * The codepath to support the experimental split-index mode had + remaining "racily clean" issues fixed. + (merge 4c490f3d32 sg/split-index-racefix later to maint). + + * "git log --graph" showing an octopus merge sometimes miscounted the + number of display columns it is consuming to show the merge and its + parent commits, which has been corrected. + (merge 04005834ed np/log-graph-octopus-fix later to maint). + + * "git range-diff" did not work well when the compared ranges had + changes in submodules and the "--submodule=log" was used. + + * The implementation of run_command() API on the UNIX platforms had a + bug that caused a command not on $PATH to be found in the current + directory. + (merge f67b980771 jk/run-command-notdot later to maint). + + * A mutex used in "git pack-objects" were not correctly initialized + and this caused "git repack" to dump core on Windows. + (merge 34204c8166 js/pack-objects-mutex-init-fix later to maint). + + * Under certain circumstances, "git diff D:/a/b/c D:/a/b/d" on + Windows would strip initial parts from the paths because they + were not recognized as absolute, which has been corrected. + (merge ffd04e92e2 js/diff-notice-has-drive-prefix later to maint). + + * The receive.denyCurrentBranch=updateInstead codepath kicked in even + when the push should have been rejected due to other reasons, such + as it does not fast-forward or the update-hook rejects it, which + has been corrected. + (merge b072a25fad jc/receive-deny-current-branch-fix later to maint). + * Code cleanup, docfix, build fix, etc. (merge 96a7501aad ts/doc-build-manpage-xsl-quietly later to maint). (merge b9b07efdb2 tg/conflict-marker-size later to maint). @@ -231,3 +416,17 @@ Fixes since v2.19 (merge c56170a0c4 ma/mailing-list-address-in-git-help later to maint). (merge 6e8fc70fce rs/sequencer-oidset-insert-avoids-dups later to maint). (merge ad0b8f9575 mw/doc-typofixes later to maint). + (merge d9f079ad1a jc/how-to-document-api later to maint). + (merge b1492bf315 ma/t7005-bash-workaround later to maint). + (merge ac1f98a0df du/rev-parse-is-plumbing later to maint). + (merge ca8ed443a5 mm/doc-no-dashed-git later to maint). + (merge ce366a8144 du/get-tar-commit-id-is-plumbing later to maint). + (merge 61018fe9e0 du/cherry-is-plumbing later to maint). + (merge c7e5fe79b9 sb/strbuf-h-update later to maint). + (merge 8d2008196b tq/branch-create-wo-branch-get later to maint). + (merge 2e3c894f4b tq/branch-style-fix later to maint). + (merge c5d844af9c sg/doc-show-branch-typofix later to maint). + (merge 081d91618b ah/doc-updates later to maint). + (merge b84c783882 jc/cocci-preincr later to maint). + (merge 5e495f8122 uk/merge-subtree-doc-update later to maint). + (merge aaaa881822 jk/uploadpack-packobjectshook-fix later to maint). |