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Diffstat (limited to 'Documentation/RelNotes/2.8.0.txt')
| -rw-r--r-- | Documentation/RelNotes/2.8.0.txt | 164 |
1 files changed, 140 insertions, 24 deletions
diff --git a/Documentation/RelNotes/2.8.0.txt b/Documentation/RelNotes/2.8.0.txt index 3df3a98f70..25079710fa 100644 --- a/Documentation/RelNotes/2.8.0.txt +++ b/Documentation/RelNotes/2.8.0.txt @@ -16,7 +16,9 @@ UI, Workflows & Features the source repository has packed references for a long time, and nobody noticed nor complained about it. - * "branch --delete" has "branch -d" but "push --delete" does not. + * "push" learned that its "--delete" option can be shortened to + "-d", just like "branch --delete" and "branch -d" are the same + thing. * "git blame" learned to produce the progress eye-candy when it takes too much time before emitting the first line of the result. @@ -32,7 +34,7 @@ UI, Workflows & Features have a place to store the updated notes tree, iow, a ref). * "git grep" by default does not fall back to its "--no-index" - behaviour outside a directory under Git's control (otherwise the + behavior outside a directory under Git's control (otherwise the user may by mistake end up running a huge recursive search); with a new configuration (set in $HOME/.gitconfig--by definition this cannot be set in the config file per project), this safety can be @@ -53,7 +55,7 @@ UI, Workflows & Features * Many commands that read files that are expected to contain text that is generated (or can be edited) by the end user to control - their behaviour (e.g. "git grep -f <filename>") have been updated + their behavior (e.g. "git grep -f <filename>") have been updated to be more tolerant to lines that are terminated with CRLF (they used to treat such a line to contain payload that ends with CR, which is usually not what the users expect). @@ -110,14 +112,41 @@ UI, Workflows & Features * You can now set http.[<url>.]pinnedpubkey to specify the pinned public key when building with recent enough versions of libcURL. + * The configuration system has been taught to phrase where it found a + bad configuration variable in a better way in its error messages. + "git config" learnt a new "--show-origin" option to indicate where + the values come from. + + * The "credential-cache" daemon process used to run in whatever + directory it happened to start in, but this made umount(2)ing the + filesystem that houses the repository harder; now the process + chdir()s to the directory that house its own socket on startup. + + * When "git submodule update" did not result in fetching the commit + object in the submodule that is referenced by the superproject, the + command learned to retry another fetch, specifically asking for + that commit that may not be connected to the refs it usually + fetches. + + * "git merge-recursive" learned "--no-renames" option to disable its + rename detection logic. + + * Across the transition at around Git version 2.0, the user used to + get a pretty loud warning when running "git push" without setting + push.default configuration variable. We no longer warn because the + transition was completed a long time ago. + + * README has been renamed to README.md and its contents got tweaked + slightly to make it easier on the eyes. + Performance, Internal Implementation, Development Support etc. * Add a framework to spawn a group of processes in parallel, and use it to run "git fetch --recurse-submodules" in parallel. - * A slight update to the Makefile to mark "phoney" targets - as such correctly. + * A slight update to the Makefile to mark ".PHONY" targets as such + correctly. * In-core storage of the reverse index for .pack files (which lets you go from a pack offset to an object name) has been streamlined. @@ -158,16 +187,10 @@ Performance, Internal Implementation, Development Support etc. with expectations that are not satisfiable on Git for Windows. * Some calls to strcpy(3) triggers a false warning from static - analysers that are less intelligent than humans, and reducing the - number of these false hits helps us notice real issues. A few - calls to strcpy(3) in test-path-utils that are already safe has - been rewritten to avoid false wanings. - - * Some calls to strcpy(3) triggers a false warning from static - analysers that are less intelligent than humans, and reducing the + analyzers that are less intelligent than humans, and reducing the number of these false hits helps us notice real issues. A few - calls to strcpy(3) in "git rerere" that are already safe has been - rewritten to avoid false wanings. + calls to strcpy(3) in a couple of protrams that are already safe + has been rewritten to avoid false warnings. * The "name_path" API was an attempt to reduce the need to construct the full path out of a series of path components while walking a @@ -179,6 +202,58 @@ Performance, Internal Implementation, Development Support etc. * Help those who debug http(s) part of the system. (merge 0054045 sp/remote-curl-ssl-strerror later to maint). + * The internal API to interact with "remote.*" configuration + variables has been streamlined. + + * The ref-filter's format-parsing code has been refactored, in + preparation for "branch --format" and friends. + + * Traditionally, the tests that try commands that work on the + contents in the working tree were named with "worktree" in their + filenames, but with the recent addition of "git worktree" + subcommand, whose tests are also named similarly, it has become + harder to tell them apart. The traditional tests have been renamed + to use "work-tree" instead in an attempt to differentiate them. + (merge 5549029 mg/work-tree-tests later to maint). + + * Many codepaths forget to check return value from git_config_set(); + the function is made to die() to make sure we do not proceed when + setting a configuration variable failed. + (merge 3d18064 ps/config-error later to maint). + + * Handling of errors while writing into our internal asynchronous + process has been made more robust, which reduces flakiness in our + tests. + (merge 43f3afc jk/epipe-in-async later to maint). + + * There is a new DEVELOPER knob that enables many compiler warning + options in the Makefile. + + * The way the test scripts configure the Apache web server has been + updated to work also for Apache 2.4 running on RedHat derived + distros. + + * Out of maintenance gcc on OSX 10.6 fails to compile the code in + 'master'; work it around by using clang by default on the platform. + + * The "name_path" API was an attempt to reduce the need to construct + the full path out of a series of path components while walking a + tree hierarchy, but over time made less efficient because the path + needs to be flattened, e.g. to be compared with another path that + is already flat, in many cases. The API has been removed and its + users have been rewritten to simplify the overall code complexity. + This incidentally also closes some heap-corruption holes. + + * Recent versions of GNU grep is pickier than before to decide if a + file is "binary" and refuse to give line-oriented hits when we + expect it to, unless explicitly told with "-a" option. As our + scripted Porcelains use sane_grep wrapper for line-oriented data, + even when the line may contain non-ASCII payload we took from + end-user data, use "grep -a" to implement sane_grep wrapper when + using an implementation of "grep" that takes the "-a" option. + + + Also contains various documentation updates and code clean-ups. @@ -206,7 +281,7 @@ notes for details). * "git send-email" was confused by escaped quotes stored in the alias files saved by "mutt", which has been corrected. - * A few unportable C construct have been spotted by clang compiler + * A few non-portable C construct have been spotted by clang compiler and have been fixed. * The documentation has been updated to hint the connection between @@ -267,17 +342,17 @@ notes for details). * dirname() emulation has been added, as Msys2 lacks it. * The underlying machinery used by "ls-files -o" and other commands - have been taught not to create empty submodule ref cache for a + has been taught not to create empty submodule ref cache for a directory that is not a submodule. This removes a ton of wasted CPU cycles. * "git worktree" had a broken code that attempted to auto-fix possible inconsistency that results from end-users moving a worktree to different places without telling Git (the original - repository needs to maintain backpointers to its worktrees, but - "mv" run by end-users who are not familiar with that fact will - obviously not adjust them), which actually made things worse - when triggered. + repository needs to maintain back-pointers to its worktrees, + but "mv" run by end-users who are not familiar with that fact + will obviously not adjust them), which actually made things + worse when triggered. * The low-level merge machinery has been taught to use CRLF line termination when inserting conflict markers to merged contents that @@ -310,14 +385,55 @@ notes for details). misbehaved when run from a subdirectory. (merge 17f1365 nd/git-common-dir-fix later to maint). - * Another try to add support to the ignore mechanism that lets you - say "this is excluded" and then later say "oh, no, this part (that - is a subset of the previous part) is not excluded". - * "git worktree add -B <branchname>" did not work. * The "v(iew)" subcommand of the interactive "git am -i" command was broken in 2.6.0 timeframe when the command was rewritten in C. (merge 708b8cc jc/am-i-v-fix later to maint). + * "git merge-tree" used to mishandle "both sides added" conflict with + its own "create a fake ancestor file that has the common parts of + what both sides have added and do a 3-way merge" logic; this has + been updated to use the usual "3-way merge with an empty blob as + the fake common ancestor file" approach used in the rest of the + system. + (merge 907681e jk/no-diff-emit-common later to maint). + + * The memory ownership rule of fill_textconv() API, which was a bit + tricky, has been documented a bit better. + (merge a64e6a4 jk/more-comments-on-textconv later to maint). + + * Update various codepaths to avoid manually-counted malloc(). + (merge 08c95df jk/tighten-alloc later to maint). + + * The documentation did not clearly state that the 'simple' mode is + now the default for "git push" when push.default configuration is + not set. + (merge f6b1fb3 mm/push-simple-doc later to maint). + + * Recent versions of GNU grep are pickier when their input contains + arbitrary binary data, which some of our tests uses. Rewrite the + tests to sidestep the problem. + (merge 3b1442d jk/grep-binary-workaround-in-test later to maint). + + * A helper function "git submodule" uses since v2.7.0 to list the + modules that match the pathspec argument given to its subcommands + (e.g. "submodule add <repo> <path>") has been fixed. + (merge 2b56bb7 sb/submodule-module-list-fix later to maint). + + * "git config section.var value" to set a value in per-repository + configuration file failed when it was run outside any repository, + but didn't say the reason correctly. + (merge 638fa62 js/config-set-in-non-repository later to maint). + + * The code to read the pack data using the offsets stored in the pack + idx file has been made more carefully check the validity of the + data in the idx. + (merge 7465feb jk/pack-idx-corruption-safety later to maint). + * Other minor clean-ups and documentation updates + (merge f459823 ak/extract-argv0-last-dir-sep later to maint). + (merge 63ca1c0 ak/git-strip-extension-from-dashed-command later to maint). + (merge 4867f11 ps/plug-xdl-merge-leak later to maint). + (merge 4938686 dt/initial-ref-xn-commit-doc later to maint). + (merge 9537f21 ma/update-hooks-sample-typofix later to maint). |