diff options
Diffstat (limited to 'Documentation/RelNotes')
| -rw-r--r-- | Documentation/RelNotes/2.28.0.txt | 236 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.28.1.txt | 7 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.29.0.txt | 514 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.29.1.txt | 11 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.29.2.txt | 12 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.29.3.txt | 8 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.30.0.txt | 401 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.30.1.txt | 55 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.30.2.txt | 8 | ||||
| -rw-r--r-- | Documentation/RelNotes/2.31.0.txt | 365 |
10 files changed, 1617 insertions, 0 deletions
diff --git a/Documentation/RelNotes/2.28.0.txt b/Documentation/RelNotes/2.28.0.txt new file mode 100644 index 0000000000..6baf781380 --- /dev/null +++ b/Documentation/RelNotes/2.28.0.txt @@ -0,0 +1,236 @@ +Git 2.28 Release Notes +====================== + +Updates since v2.27 +------------------- + +Backward compatibility notes + + * "fetch.writeCommitGraph" is deemed to be still a bit too risky and + is no longer part of the "feature.experimental" set. + + +UI, Workflows & Features + + * The commands in the "diff" family learned to honor "diff.relative" + configuration variable. + + * The check in "git fsck" to ensure that the tree objects are sorted + still had corner cases it missed unsorted entries. + + * The interface to redact sensitive information in the trace output + has been simplified. + + * The command line completion (in contrib/) learned to complete + options that the "git switch" command takes. + + * "git diff" used to take arguments in random and nonsense range + notation, e.g. "git diff A..B C", "git diff A..B C...D", etc., + which has been cleaned up. + + * "git diff-files" has been taught to say paths that are marked as + intent-to-add are new files, not modified from an empty blob. + + * "git status" learned to report the status of sparse checkout. + + * "git difftool" has trouble dealing with paths added to the index + with the intent-to-add bit. + + * "git fast-export --anonymize" learned to take customized mapping to + allow its users to tweak its output more usable for debugging. + + * The command line completion support (in contrib/) used to be + prepared to work with "set -u" but recent changes got a bit more + sloppy. This has been corrected. + + * "git gui" now allows opening work trees from the start-up dialog. + + +Performance, Internal Implementation, Development Support etc. + + * Code optimization for a common case. + (merge 8777616e4d an/merge-single-strategy-optim later to maint). + + * We've adopted a convention that any on-stack structure can be + initialized to have zero values in all fields with "= { 0 }", + even when the first field happens to be a pointer, but sparse + complained that a null pointer should be spelled NULL for a long + time. Start using -Wno-universal-initializer option to squelch + it (the latest sparse has it on by default). + + * "git log -L..." now takes advantage of the "which paths are touched + by this commit?" info stored in the commit-graph system. + + * As FreeBSD is not the only platform whose regexp library reports + a REG_ILLSEQ error when fed invalid UTF-8, add logic to detect that + automatically and skip the affected tests. + + * "git bugreport" learns to report what shell is in use. + + * Support for GIT_CURL_VERBOSE has been rewritten in terms of + GIT_TRACE_CURL. + + * Preliminary clean-ups around refs API, plus file format + specification documentation for the reftable backend. + + * Workaround breakage in MSVC build, where "curl-config --cflags" + gives settings appropriate for GCC build. + + * Code clean-up of "git clean" resulted in a fix of recent + performance regression. + + * Code clean-up in the codepath that serves "git fetch" continues. + + * "git merge-base --is-ancestor" is taught to take advantage of the + commit graph. + + * Rewrite of parts of the scripted "git submodule" Porcelain command + continues; this time it is "git submodule set-branch" subcommand's + turn. + + * The "fetch/clone" protocol has been updated to allow the server to + instruct the clients to grab pre-packaged packfile(s) in addition + to the packed object data coming over the wire. + + * A misdesigned strbuf_write_fd() function has been retired. + + * SHA-256 migration work continues, including CVS/SVN interface. + + * A few fields in "struct commit" that do not have to always be + present have been moved to commit slabs. + + * API cleanup for get_worktrees() + + * By renumbering object flag bits, "struct object" managed to lose + bloated inter-field padding. + + * The name of the primary branch in existing repositories, and the + default name used for the first branch in newly created + repositories, is made configurable, so that we can eventually wean + ourselves off of the hardcoded 'master'. + + * The effort to avoid using test_must_fail on non-git command continues. + + * In 2.28-rc0, we corrected a bug that some repository extensions are + honored by mistake even in a version 0 repositories (these + configuration variables in extensions.* namespace were supposed to + have special meaning in repositories whose version numbers are 1 or + higher), but this was a bit too big a change. The behaviour in + recent versions of Git where certain extensions.* were honored by + mistake even in version 0 repositories has been restored. + + +Fixes since v2.27 +----------------- + + * The "--prepare-p4-only" option of "git p4" is supposed to stop + after replaying one changeset, but kept going (by mistake?) + + * The error message from "git checkout -b foo -t bar baz" was + confusing. + + * Some repositories in the wild have commits that record nonsense + committer timezone (e.g. rails.git); "git fast-import" learned an + option to pass these nonsense timestamps intact to allow recreating + existing repositories as-is. + (merge d42a2fb72f en/fast-import-looser-date later to maint). + + * The command line completion script (in contrib/) tried to complete + "git stash -p" as if it were "git stash push -p", but it was too + aggressive and also affected "git stash show -p", which has been + corrected. + (merge fffd0cf520 vs/complete-stash-show-p-fix later to maint). + + * On-the-wire protocol v2 easily falls into a deadlock between the + remote-curl helper and the fetch-pack process when the server side + prematurely throws an error and disconnects. The communication has + been updated to make it more robust. + + * "git checkout -p" did not handle a newly added path at all. + (merge 2c8bd8471a js/checkout-p-new-file later to maint). + + * The code to parse "git bisect start" command line was lax in + validating the arguments. + (merge 4d9005ff5d cb/bisect-helper-parser-fix later to maint). + + * Reduce memory usage during "diff --quiet" in a worktree with too + many stat-unmatched paths. + (merge d2d7fbe129 jk/diff-memuse-optim-with-stat-unmatch later to maint). + + * The reflog entries for "git clone" and "git fetch" did not + anonymize the URL they operated on. + (merge 46da295a77 js/reflog-anonymize-for-clone-and-fetch later to maint). + + * The behaviour of "sparse-checkout" in the state "git clone + --no-checkout" left was changed accidentally in 2.27, which has + been corrected. + + * Use of negative pathspec, while collecting paths including + untracked ones in the working tree, was broken. + + * The same worktree directory must be registered only once, but + "git worktree move" allowed this invariant to be violated, which + has been corrected. + (merge 810382ed37 es/worktree-duplicate-paths later to maint). + + * The effect of sparse checkout settings on submodules is documented. + (merge e7d7c73249 en/sparse-with-submodule-doc later to maint). + + * Code clean-up around "git branch" with a minor bugfix. + (merge dc44639904 dl/branch-cleanup later to maint). + + * A branch name used in a test has been clarified to match what is + going on. + (merge 08dc26061f pb/t4014-unslave later to maint). + + * An in-code comment in "git diff" has been updated. + (merge c592fd4c83 dl/diff-usage-comment-update later to maint). + + * The documentation and some tests have been adjusted for the recent + renaming of "pu" branch to "seen". + (merge 6dca5dbf93 js/pu-to-seen later to maint). + + * The code to push changes over "dumb" HTTP had a bad interaction + with the commit reachability code due to incorrect allocation of + object flag bits, which has been corrected. + (merge 64472d15e9 bc/http-push-flagsfix later to maint). + + * "git send-email --in-reply-to=<msg>" did not use the In-Reply-To: + header with the value given from the command line, and let it be + overridden by the value on In-Reply-To: header in the messages + being sent out (if exists). + (merge f9f60d7066 ra/send-email-in-reply-to-from-command-line-wins later to maint). + + * "git log -Lx,y:path --before=date" lost track of where the range + should be because it didn't take the changes made by the youngest + commits that are omitted from the output into account. + + * When "fetch.writeCommitGraph" configuration is set in a shallow + repository and a fetch moves the shallow boundary, we wrote out + broken commit-graph files that do not match the reality, which has + been corrected. + + * "git checkout" failed to catch an error from fstat() after updating + a path in the working tree. + (merge 35e6e212fd mt/entry-fstat-fallback-fix later to maint). + + * When an aliased command, whose output is piped to a pager by git, + gets killed by a signal, the pager got into a funny state, which + has been corrected (again). + (merge c0d73a59c9 ta/wait-on-aliased-commands-upon-signal later to maint). + + * The code to produce progress output from "git commit-graph --write" + had a few breakages, which have been fixed. + + * Other code cleanup, docfix, build fix, etc. + (merge 2c31a7aa44 jx/pkt-line-doc-count-fix later to maint). + (merge d63ae31962 cb/t5608-cleanup later to maint). + (merge 788db145c7 dl/t-readme-spell-git-correctly later to maint). + (merge 45a87a83bb dl/python-2.7-is-the-floor-version later to maint). + (merge b75a219904 es/advertise-contribution-doc later to maint). + (merge 0c9a4f638a rs/pull-leakfix later to maint). + (merge d546fe2874 rs/commit-reach-leakfix later to maint). + (merge 087bf5409c mk/pb-pretty-email-without-domain-part-fix later to maint). + (merge 5f4ee57ad9 es/worktree-code-cleanup later to maint). + (merge 0172f7834a cc/cat-file-usage-update later to maint). + (merge 81de0c01cf ma/rebase-doc-typofix later to maint). diff --git a/Documentation/RelNotes/2.28.1.txt b/Documentation/RelNotes/2.28.1.txt new file mode 100644 index 0000000000..8484c8297c --- /dev/null +++ b/Documentation/RelNotes/2.28.1.txt @@ -0,0 +1,7 @@ +Git v2.28.1 Release Notes +========================= + +This release merges up the fixes that appear in v2.17.6, v2.18.5, +v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4, v2.25.5, +v2.26.3 and v2.27.1 to address the security issue CVE-2021-21300; +see the release notes for these versions for details. diff --git a/Documentation/RelNotes/2.29.0.txt b/Documentation/RelNotes/2.29.0.txt new file mode 100644 index 0000000000..06ba2f803f --- /dev/null +++ b/Documentation/RelNotes/2.29.0.txt @@ -0,0 +1,514 @@ +Git 2.29 Release Notes +====================== + +Updates since v2.28 +------------------- + +UI, Workflows & Features + + * "git help log" has been enhanced by sharing more material from the + documentation for the underlying "git rev-list" command. + + * "git for-each-ref --format=<>" learned %(contents:size). + + * "git merge" learned to selectively omit " into <branch>" at the end + of the title of default merge message with merge.suppressDest + configuration. + + * The component to respond to "git fetch" request is made more + configurable to selectively allow or reject object filtering + specification used for partial cloning. + + * Stop when "sendmail.*" configuration variables are defined, which + could be a mistaken attempt to define "sendemail.*" variables. + + * The existing backends for "git mergetool" based on variants of vim + have been refactored and then support for "nvim" has been added. + + * "git bisect" learns the "--first-parent" option to find the first + breakage along the first-parent chain. + + * "git log --first-parent -p" showed patches only for single-parent + commits on the first-parent chain; the "--first-parent" option has + been made to imply "-m". Use "--no-diff-merges" to restore the + previous behaviour to omit patches for merge commits. + + * The commit labels used to explain each side of conflicted hunks + placed by the sequencer machinery have been made more readable by + humans. + + * The "--batch-size" option of "git multi-pack-index repack" command + is now used to specify that very small packfiles are collected into + one until the total size roughly exceeds it. + + * The recent addition of SHA-256 support is marked as experimental in + the documentation. + + * "git fetch" learned --no-write-fetch-head option to avoid writing + the FETCH_HEAD file. + + * Command line completion (in contrib/) usually omits redundant, + deprecated and/or dangerous options from its output; it learned to + optionally include all of them. + + * The output from the "diff" family of the commands had abbreviated + object names of blobs involved in the patch, but its length was not + affected by the --abbrev option. Now it is. + + * "git worktree" gained a "repair" subcommand to help users recover + after moving the worktrees or repository manually without telling + Git. Also, "git init --separate-git-dir" no longer corrupts + administrative data related to linked worktrees. + + * The "--format=" option to the "for-each-ref" command and friends + learned a few more tricks, e.g. the ":short" suffix that applies to + "objectname" now also can be used for "parent", "tree", etc. + + * "git worktree add" learns that the "-d" is a synonym to "--detach" + option to create a new worktree without being on a branch. + + * "format-patch --range-diff=<prev> <origin>..HEAD" has been taught + not to ignore <origin> when <prev> is a single version. + + * "add -p" now allows editing paths that were only added in intent. + + * The 'meld' backend of the "git mergetool" learned to give the + underlying 'meld' the '--auto-merge' option, which would help + reduce the amount of text that requires manual merging. + + * "git for-each-ref" and friends that list refs used to allow only + one --merged or --no-merged to filter them; they learned to take + combination of both kind of filtering. + + * "git maintenance", a "git gc"'s big brother, has been introduced to + take care of more repository maintenance tasks, not limited to the + object database cleaning. + + * "git receive-pack" that accepts requests by "git push" learned to + outsource most of the ref updates to the new "proc-receive" hook. + + * "git push" that wants to be atomic and wants to send push + certificate learned not to prepare and sign the push certificate + when it fails the local check (hence due to atomicity it is known + that no certificate is needed). + + * "git commit-graph write" learned to limit the number of bloom + filters that are computed from scratch with the --max-new-filters + option. + + * The transport protocol v2 has become the default again. + + * The installation procedure learned to optionally omit "git-foo" + executable files for each 'foo' built-in subcommand, which are only + required by old timers that still rely on the age old promise that + prepending "git --exec-path" output to PATH early in their script + will keep the "git-foo" calls they wrote working. + + * The command line completion (in contrib/) learned that "git restore + -s <TAB>" is often followed by a refname. + + * "git shortlog" has been taught to group commits by the contents of + the trailer lines, like "Reviewed-by:", "Coauthored-by:", etc. + + * "git archive" learns the "--add-file" option to include untracked + files into a snapshot from a tree-ish. + + * "git fetch" and "git push" support negative refspecs. + + * "git format-patch" learns to take "whenAble" as a possible value + for the format.useAutoBase configuration variable to become no-op + when the automatically computed base does not make sense. + + * Credential helpers are now allowed to terminate lines with CRLF + line ending, as well as LF line ending. + + +Performance, Internal Implementation, Development Support etc. + + * The changed-path Bloom filter is improved using ideas from an + independent implementation. + + * Updates to the changed-paths bloom filter. + + * The test framework has been updated so that most tests will run + with predictable (artificial) timestamps. + + * Preliminary clean-up of the refs API in preparation for adding a + new refs backend "reftable". + + * Dev support to limit the use of test_must_fail to only git commands. + + * While packing many objects in a repository with a promissor remote, + lazily fetching missing objects from the promissor remote one by + one may be inefficient---the code now attempts to fetch all the + missing objects in batch (obviously this won't work for a lazy + clone that lazily fetches tree objects as you cannot even enumerate + what blobs are missing until you learn which trees are missing). + + * The pretend-object mechanism checks if the given object already + exists in the object store before deciding to keep the data + in-core, but the check would have triggered lazy fetching of such + an object from a promissor remote. + + * The argv_array API is useful for not just managing argv but any + "vector" (NULL-terminated array) of strings, and has seen adoption + to a certain degree. It has been renamed to "strvec" to reduce the + barrier to adoption. + + * The final leg of SHA-256 transition plus doc updates. Note that + there is no interoperability between SHA-1 and SHA-256 + repositories yet. + + * CMake support to build with MSVC for Windows bypassing the Makefile. + + * A new helper function has_object() has been introduced to make it + easier to mark object existence checks that do and don't want to + trigger lazy fetches, and a few such checks are converted using it. + + * A no-op replacement function implemented as a C preprocessor macro + does not perform as good a job as one implemented as a "static + inline" function in catching errors in parameters; replace the + former with the latter in <git-compat-util.h> header. + + * Test framework update. + (merge d572f52a64 es/test-cmp-typocatcher later to maint). + + * Updates to "git merge" tests, in preparation for a new merge + strategy backend. + + * midx and commit-graph files now use the byte defined in their file + format specification for identifying the hash function used for + object names. + + * The FETCH_HEAD is now always read from the filesystem regardless of + the ref backend in use, as its format is much richer than the + normal refs, and written directly by "git fetch" as a plain file.. + + * An unused binary has been discarded, and and a bunch of commands + have been turned into into built-in. + + * A handful of places in in-tree code still relied on being able to + execute the git subcommands, especially built-ins, in "git-foo" + form, which have been corrected. + + * When a packfile is removed by "git repack", multi-pack-index gets + cleared; the code was taught to do so less aggressively by first + checking if the midx actually refers to a pack that no longer + exists. + + * Internal API clean-up to handle two options "diff-index" and "log" + have, which happen to share the same short form, more sensibly. + + * The "add -i/-p" machinery has been written in C but it is not used + by default yet. It is made default to those who are participating + in feature.experimental experiment. + + * Allow maintainers to tweak $(TAR) invocations done while making + distribution tarballs. + + * "git index-pack" learned to resolve deltified objects with greater + parallelism. + + * "diff-highlight" (in contrib/) had a logic to flush its output upon + seeing a blank line but the way it detected a blank line was broken. + + * The logic to skip testing on the tagged commit and the tag itself + was not quite consistent which led to failure of Windows test + tasks. It has been revamped to consistently skip revisions that + have already been tested, based on the tree object of the revision. + + +Fixes since v2.28 +----------------- + + * The "mediawiki" remote backend which lives in contrib/mw-to-git/ + and is not built with git by default, had an RCE bug allowing a + malicious MediaWiki server operator to inject arbitrary commands + for execution by a cloning client. This has been fixed. + + The bug was discovered and reported by Joern Schneeweisz of GitLab + to the git-security mailing list. Its practical impact due to the + obscurity of git-remote-mediawiki was deemed small enough to forgo + a dedicated security release. + + * "git clone --separate-git-dir=$elsewhere" used to stomp on the + contents of the existing directory $elsewhere, which has been + taught to fail when $elsewhere is not an empty directory. + (merge dfaa209a79 bw/fail-cloning-into-non-empty later to maint). + + * With the base fix to 2.27 regresion, any new extensions in a v0 + repository would still be silently honored, which is not quite + right. Instead, complain and die loudly. + (merge ec91ffca04 jk/reject-newer-extensions-in-v0 later to maint). + + * Fetching from a lazily cloned repository resulted at the server + side in attempts to lazy fetch objects that the client side has, + many of which will not be available from the third-party anyway. + (merge 77aa0941ce jt/avoid-lazy-fetching-upon-have-check later to maint). + + * Fix to an ancient bug caused by an over-eager attempt for + optimization. + (merge a98f7fb366 rs/add-index-entry-optim-fix later to maint). + + * Pushing a ref whose name contains non-ASCII character with the + "--force-with-lease" option did not work over smart HTTP protocol, + which has been corrected. + (merge cd85b447bf bc/push-cas-cquoted-refname later to maint). + + * "git mv src dst", when src is an unmerged path, errored out + correctly but with an incorrect error message to claim that src is + not tracked, which has been clarified. + (merge 9b906af657 ct/mv-unmerged-path-error later to maint). + + * Fix to a regression introduced during 2.27 cycle. + (merge cada7308ad en/fill-directory-exponential later to maint). + + * Command line completion (in contrib/) update. + (merge 688b87c81b mp/complete-show-color-moved later to maint). + + * All "mergy" operations that internally use the merge-recursive + machinery should honor the merge.renormalize configuration, but + many of them didn't. + + * Doc cleanup around "worktree". + (merge dc9c144be5 es/worktree-doc-cleanups later to maint). + + * The "git blame --first-parent" option was not documented, but now + it is. + (merge 11bc12ae1e rp/blame-first-parent-doc later to maint). + + * The logic to find the ref transaction hook script attempted to + cache the path to the found hook without realizing that it needed + to keep a copied value, as the API it used returned a transitory + buffer space. This has been corrected. + (merge 09b2aa30c9 ps/ref-transaction-hook later to maint). + + * Recent versions of "git diff-files" shows a diff between the index + and the working tree for "intent-to-add" paths as a "new file" + patch; "git apply --cached" should be able to take "git diff-files" + and should act as an equivalent to "git add" for the path, but the + command failed to do so for such a path. + (merge 4c025c667e rp/apply-cached-with-i-t-a later to maint). + + * "git diff [<tree-ish>] $path" for a $path that is marked with i-t-a + bit was not showing the mode bits from the working tree. + (merge cb0dd22b82 rp/ita-diff-modefix later to maint). + + * Ring buffer with size 4 used for bin-hex translation resulted in a + wrong object name in the sequencer's todo output, which has been + corrected. + (merge 5da69c0dac ak/sequencer-fix-find-uniq-abbrev later to maint). + + * When given more than one target line ranges, "git blame -La,b + -Lc,d" was over-eager to coalesce groups of original lines and + showed incorrect results, which has been corrected. + (merge c2ebaa27d6 jk/blame-coalesce-fix later to maint). + + * The regexp to identify the function boundary for FORTRAN programs + has been updated. + (merge 75c3b6b2e8 pb/userdiff-fortran-update later to maint). + + * A few end-user facing messages have been updated to be + hash-algorithm agnostic. + (merge 4279000d3e jc/object-names-are-not-sha-1 later to maint). + + * "unlink" emulation on MinGW has been optimized. + (merge 680e0b4524 jh/mingw-unlink later to maint). + + * The purpose of "git init --separate-git-dir" is to initialize a + new project with the repository separate from the working tree, + or, in the case of an existing project, to move the repository + (the .git/ directory) out of the working tree. It does not make + sense to use --separate-git-dir with a bare repository for which + there is no working tree, so disallow its use with bare + repositories. + (merge ccf236a23a es/init-no-separate-git-dir-in-bare later to maint). + + * "ls-files -o" mishandled the top-level directory of another git + working tree that hangs in the current git working tree. + (merge ab282aa548 en/dir-nonbare-embedded later to maint). + + * Fix some incorrect UNLEAK() annotations. + (merge 3e19816dc0 jk/unleak-fixes later to maint). + + * Use more buffered I/O where we used to call many small write(2)s. + (merge a698d67b08 rs/more-buffered-io later to maint). + + * The patch-id computation did not ignore the "incomplete last line" + marker like whitespaces. + (merge 82a62015a7 rs/patch-id-with-incomplete-line later to maint). + + * Updates into a lazy/partial clone with a submodule did not work + well with transfer.fsckobjects set. + + * The parser for "git for-each-ref --format=..." was too loose when + parsing the "%(trailers...)" atom, and forgot that "trailers" and + "trailers:<modifiers>" are the only two allowed forms, which has + been corrected. + (merge 2c22e102f8 hv/ref-filter-trailers-atom-parsing-fix later to maint). + + * Long ago, we decided to use 3 threads by default when running the + index-pack task in parallel, which has been adjusted a bit upwards. + (merge fbff95b67f jk/index-pack-w-more-threads later to maint). + + * "git restore/checkout --no-overlay" with wildcarded pathspec + mistakenly removed matching paths in subdirectories, which has been + corrected. + (merge bfda204ade rs/checkout-no-overlay-pathspec-fix later to maint). + + * The description of --cached/--index options in "git apply --help" + has been updated. + (merge d064702be3 rp/apply-cached-doc later to maint). + + * Feeding "$ZERO_OID" to "git log --ignore-missing --stdin", and + running "git log --ignore-missing $ZERO_OID" fell back to start + digging from HEAD; it has been corrected to become a no-op, like + "git log --tags=no-tag-matches-this-pattern" does. + (merge 04a0e98515 jk/rev-input-given-fix later to maint). + + * Various callers of run_command API have been modernized. + (merge afbdba391e jc/run-command-use-embedded-args later to maint). + + * List of options offered and accepted by "git add -i/-p" were + inconsistent, which have been corrected. + (merge ce910287e7 pw/add-p-allowed-options-fix later to maint). + + * "git diff --stat -w" showed 0-line changes for paths whose changes + were only whitespaces, which was not intuitive. We now omit such + paths from the stat output. + (merge 1cf3d5db9b mr/diff-hide-stat-wo-textual-change later to maint). + + * It was possible for xrealloc() to send a non-NULL pointer that has + been freed, which has been fixed. + (merge 6479ea4a8a jk/xrealloc-avoid-use-after-free later to maint). + + * "git status" has trouble showing where it came from by interpreting + reflog entries that record certain events, e.g. "checkout @{u}", and + gives a hard/fatal error. Even though it inherently is impossible + to give a correct answer because the reflog entries lose some + information (e.g. "@{u}" does not record what branch the user was + on hence which branch 'the upstream' needs to be computed, and even + if the record were available, the relationship between branches may + have changed), at least hide the error and allow "status" to show its + output. + + * "git status --short" quoted a path with SP in it when tracked, but + not those that are untracked, ignored or unmerged. They are all + shown quoted consistently. + + * "git diff/show" on a change that involves a submodule used to read + the information on commits in the submodule from a wrong repository + and gave a wrong information when the commit-graph is involved. + (merge 85a1ec2c32 mf/submodule-summary-with-correct-repository later to maint). + + * Unlike "git config --local", "git config --worktree" did not fail + early and cleanly when started outside a git repository. + (merge 378fe5fc3d mt/config-fail-nongit-early later to maint). + + * There is a logic to estimate how many objects are in the + repository, which is meant to run once per process invocation, but + it ran every time the estimated value was requested. + (merge 67bb65de5d jk/dont-count-existing-objects-twice later to maint). + + * "git remote set-head" that failed still said something that hints + the operation went through, which was misleading. + (merge 5a07c6c3c2 cs/don-t-pretend-a-failed-remote-set-head-succeeded later to maint). + + * "git fetch --all --ipv4/--ipv6" forgot to pass the protocol options + to instances of the "git fetch" that talk to individual remotes, + which has been corrected. + (merge 4e735c1326 ar/fetch-ipversion-in-all later to maint). + + * The "unshelve" subcommand of "git p4" incorrectly used commit^N + where it meant to say commit~N to name the Nth generation + ancestor, which has been corrected. + (merge 0acbf5997f ld/p4-unshelve-fix later to maint). + + * "git clone" that clones from SHA-1 repository, while + GIT_DEFAULT_HASH set to use SHA-256 already, resulted in an + unusable repository that half-claims to be SHA-256 repository + with SHA-1 objects and refs. This has been corrected. + + * Adjust sample hooks for hash algorithm other than SHA-1. + (merge d8d3d632f4 dl/zero-oid-in-hooks later to maint). + + * "git range-diff" showed incorrect diffstat, which has been + corrected. + + * Earlier we taught "git pull" to warn when the user does not say the + histories need to be merged, rebased or accepts only fast- + forwarding, but the warning triggered for those who have set the + pull.ff configuration variable. + (merge 54200cef86 ah/pull later to maint). + + * Compilation fix around type punning. + (merge 176380fd11 jk/drop-unaligned-loads later to maint). + + * "git blame --ignore-rev/--ignore-revs-file" failed to validate + their input are valid revision, and failed to take into account + that the user may want to give an annotated tag instead of a + commit, which has been corrected. + (merge 610e2b9240 jc/blame-ignore-fix later to maint). + + * "git bisect start X Y", when X and Y are not valid committish + object names, should take X and Y as pathspec, but didn't. + (merge 73c6de06af cc/bisect-start-fix later to maint). + + * The explanation of the "scissors line" has been clarified. + (merge 287416dba6 eg/mailinfo-doc-scissors later to maint). + + * A race that leads to an access to a free'd data was corrected in + the codepath that reads pack files. + (merge bda959c476 mt/delta-base-cache-races later to maint). + + * in_merge_bases_many(), a way to see if a commit is reachable from + any commit in a set of commits, was totally broken when the + commit-graph feature was in use, which has been corrected. + (merge 8791bf1841 ds/in-merge-bases-many-optim-bug later to maint). + + * "git submodule update --quiet" did not squelch underlying "rebase" + and "pull" commands. + (merge 3ad0401e9e td/submodule-update-quiet later to maint). + + * The lazy fetching done internally to make missing objects available + in a partial clone incorrectly made permanent damage to the partial + clone filter in the repository, which has been corrected. + + * "log -c --find-object=X" did not work well to find a merge that + involves a change to an object X from only one parent. + (merge 957876f17d jk/diff-cc-oidfind-fix later to maint). + + * Other code cleanup, docfix, build fix, etc. + (merge 84544f2ea3 sk/typofixes later to maint). + (merge b17f411ab5 ar/help-guides-doc later to maint). + (merge 98c6871fad rs/grep-simpler-parse-object-or-die-call later to maint). + (merge 861c4ce141 en/typofixes later to maint). + (merge 60e47f6773 sg/ci-git-path-fix-with-pyenv later to maint). + (merge e2bfa50ac3 jb/doc-packfile-name later to maint). + (merge 918d8ff780 es/worktree-cleanup later to maint). + (merge dc156bc31f ma/t1450-quotefix later to maint). + (merge 56e743426b en/merge-recursive-comment-fixes later to maint). + (merge 7d23ff818f rs/bisect-oid-to-hex-fix later to maint). + (merge de20baf2c9 ny/notes-doc-sample-update later to maint). + (merge f649aaaf82 so/rev-parser-errormessage-fix later to maint). + (merge 6103d58b7f bc/sha-256-cvs-svn-updates later to maint). + (merge ac900fddb7 ma/stop-progress-null-fix later to maint). + (merge e767963ab6 rs/upload-pack-sigchain-fix later to maint). + (merge a831908599 rs/preserve-merges-unused-code-removal later to maint). + (merge 6dfefe70a9 jb/commit-graph-doc-fix later to maint). + (merge 847b37271e pb/set-url-docfix later to maint). + (merge 748f733d54 mt/checkout-entry-dead-code-removal later to maint). + (merge ce820cbd58 dl/subtree-docs later to maint). + (merge 55fe225dde jk/leakfix later to maint). + (merge ee22a29215 so/pretty-abbrev-doc later to maint). + (merge 3100fd5588 jc/post-checkout-doc later to maint). + (merge 17bae89476 pb/doc-external-diff-env later to maint). + (merge 27ed6ccc12 jk/worktree-check-clean-leakfix later to maint). + (merge 1302badd16 ea/blame-use-oideq later to maint). + (merge e6d5a11fed al/t3200-back-on-a-branch later to maint). + (merge 324efcf6b6 pw/add-p-leakfix later to maint). + (merge 1c6ffb546b jk/add-i-fixes later to maint). + (merge e40e936551 cd/commit-graph-doc later to maint). + (merge 0512eabd91 jc/sequencer-stopped-sha-simplify later to maint). + (merge d01141de5a so/combine-diff-simplify later to maint). + (merge 3be01e5ab1 sn/fast-import-doc later to maint). diff --git a/Documentation/RelNotes/2.29.1.txt b/Documentation/RelNotes/2.29.1.txt new file mode 100644 index 0000000000..295ee2135f --- /dev/null +++ b/Documentation/RelNotes/2.29.1.txt @@ -0,0 +1,11 @@ +Git v2.29.1 Release Notes +========================= + +This is to fix the build procedure change in 2.28 where we failed to +install a few programs that should be installed in /usr/bin (namely, +receive-pack, upload-archive and upload-pack) when the non-default +SKIP_DASHED_BUILT_INS installation option is in effect. + +A minor glitch in a non-default installation may usually not deserve +a hotfix, but I know Git for Windows ship binaries built with this +option, so let's make an exception. diff --git a/Documentation/RelNotes/2.29.2.txt b/Documentation/RelNotes/2.29.2.txt new file mode 100644 index 0000000000..632b5b580a --- /dev/null +++ b/Documentation/RelNotes/2.29.2.txt @@ -0,0 +1,12 @@ +Git v2.29.2 Release Notes +========================= + +This release is primarily to fix brown-paper-bag breakages in the +2.29.0 release. + +Fixes since v2.29.1 +------------------- + + * In 2.29, "--committer-date-is-author-date" option of "rebase" and + "am" subcommands lost the e-mail address by mistake, which has been + corrected. diff --git a/Documentation/RelNotes/2.29.3.txt b/Documentation/RelNotes/2.29.3.txt new file mode 100644 index 0000000000..e10eedb35a --- /dev/null +++ b/Documentation/RelNotes/2.29.3.txt @@ -0,0 +1,8 @@ +Git v2.29.3 Release Notes +========================= + +This release merges up the fixes that appear in v2.17.6, +v2.18.5, v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4, +v2.25.5, v2.26.3, v2.27.1 and v2.28.1 to address the security +issue CVE-2021-21300; see the release notes for these versions +for details. diff --git a/Documentation/RelNotes/2.30.0.txt b/Documentation/RelNotes/2.30.0.txt new file mode 100644 index 0000000000..c2f1dc7b06 --- /dev/null +++ b/Documentation/RelNotes/2.30.0.txt @@ -0,0 +1,401 @@ +Git 2.30 Release Notes +====================== + +Updates since v2.29 +------------------- + +UI, Workflows & Features + + * Userdiff for PHP update. + + * Userdiff for Rust update. + + * Userdiff for CSS update. + + * The command line completion script (in contrib/) learned that "git + stash show" takes the options "git diff" takes. + + * "git worktree list" now shows if each worktree is locked. This + possibly may open us to show other kinds of states in the future. + + * "git maintenance", an extended big brother of "git gc", continues + to evolve. + + * "git push --force-with-lease[=<ref>]" can easily be misused to lose + commits unless the user takes good care of their own "git fetch". + A new option "--force-if-includes" attempts to ensure that what is + being force-pushed was created after examining the commit at the + tip of the remote ref that is about to be force-replaced. + + * "git clone" learned clone.defaultremotename configuration variable + to customize what nickname to use to call the remote the repository + was cloned from. + + * "git checkout" learned to use checkout.guess configuration variable + and enable/disable its "--[no-]guess" option accordingly. + + * "git resurrect" script (in contrib/) learned that the object names + may be longer than 40-hex depending on the hash function in use. + + * "git diff A...B" learned "git diff --merge-base A B", which is a + longer short-hand to say the same thing. + + * A sample 'push-to-checkout' hook, that performs the same as + what the built-in default action does, has been added. + + * "git diff" family of commands learned the "-I<regex>" option to + ignore hunks whose changed lines all match the given pattern. + + * The userdiff pattern learned to identify the function definition in + POSIX shells and bash. + + * "git checkout-index" did not consistently signal an error with its + exit status, but now it does. + + * A commit and tag object may have CR at the end of each and + every line (you can create such an object with hash-object or + using --cleanup=verbatim to decline the default clean-up + action), but it would make it impossible to have a blank line + to separate the title from the body of the message. We are now + more lenient and accept a line with lone CR on it as a blank line, + too. + + * Exit codes from "git remote add" etc. were not usable by scripted + callers, but now they are. + + * "git archive" now allows compression level higher than "-9" + when generating tar.gz output. + + * Zsh autocompletion (in contrib/) update. + + * The maximum length of output filenames "git format-patch" creates + has become configurable (used to be capped at 64). + + * "git rev-parse" learned the "--end-of-options" to help scripts to + safely take a parameter that is supposed to be a revision, e.g. + "git rev-parse --verify -q --end-of-options $rev". + + * The command line completion script (in contrib/) learned to expand + commands that are alias of alias. + + * "git update-ref --stdin" learns to take multiple transactions in a + single session. + + * Various subcommands of "git config" that take value_regex + learned the "--literal-value" option to take the value_regex option + as a literal string. + + * The transport layer was taught to optionally exchange the session + ID assigned by the trace2 subsystem during fetch/push transactions. + + * "git imap-send" used to ignore configuration variables like + core.askpass; this has been corrected. + + * "git $cmd $args", when $cmd is not a recognised subcommand, by + default tries to see if $cmd is a typo of an existing subcommand + and optionally executes the corrected command if there is only one + possibility, depending on the setting of help.autocorrect; the + users can now disable the whole thing, including the cycles spent + to find a likely typo, by setting the configuration variable to + 'never'. + + * "@" sometimes worked (e.g. "git push origin @:there") as a part of + a refspec element, but "git push origin @" did not work, which has + been corrected. + + +Performance, Internal Implementation, Development Support etc. + + * Use "git archive" more to produce the release tarball. + + * GitHub Actions automated test improvement to skip tests on a tree + identical to what has already been tested. + + * Test-coverage for running commit-graph task "git maintenance" has + been extended. + + * Our test scripts can be told to run only individual pieces while + skipping others with the "--run=..." option; they were taught to + take a substring of test title, in addition to numbers, to name the + test pieces to run. + + * Adjust tests so that they won't scream when the default initial + branch name is different from 'master'. + + * Rewriting "git bisect" in C continues. + + * More preliminary tests have been added to document desired outcomes + of various "directory rename" situations. + + * Micro clean-up of a couple of test scripts. + + * "git diff" and other commands that share the same machinery to + compare with working tree files have been taught to take advantage + of the fsmonitor data when available. + + * The code to detect premature EOF in the sideband demultiplexer has + been cleaned up. + + * "git fetch --depth=<n>" over the stateless RPC / smart HTTP + transport handled EOF from the client poorly at the server end. + + * A specialization of hashmap that uses a string as key has been + introduced. Hopefully it will see wider use over time. + + * "git bisect start/next" in a large span of history spends a lot of + time trying to come up with exactly the half-way point; this can be + optimized by stopping when we see a commit that is close enough to + the half-way point. + + * A lazily defined test prerequisite can now be defined in terms of + another lazily defined test prerequisite. + + * Expectation for the original contributor after responding to a + review comment to use the explanation in a patch update has been + described. + + * Multiple "credential-store" backends can race to lock the same + file, causing everybody else but one to fail---reattempt locking + with some timeout to reduce the rate of the failure. + + * "git-parse-remote" shell script library outlived its usefulness. + + * Like die() and error(), a call to warning() will also trigger a + trace2 event. + + * Use of non-reentrant localtime() has been removed. + + * Non-reentrant time-related library functions and ctime/asctime with + awkward calling interfaces are banned from the codebase. + + +Fixes since v2.29 +----------------- + + * In 2.29, "--committer-date-is-author-date" option of "rebase" and + "am" subcommands lost the e-mail address by mistake, which has been + corrected. + (merge 5f35edd9d7 jk/committer-date-is-author-date-fix later to maint). + + * "git checkout -p A...B [-- <path>]" did not work, even though the + same command without "-p" correctly used the merge-base between + commits A and B. + (merge 35166b1fb5 dl/checkout-p-merge-base later to maint). + + * The side-band status report can be sent at the same time as the + primary payload multiplexed, but the demultiplexer on the receiving + end incorrectly split a single status report into two, which has + been corrected. + (merge 712b0377db js/avoid-split-sideband-message later to maint). + + * "git fast-import" wasted a lot of memory when many marks were in use. + (merge 3f018ec716 jk/fast-import-marks-alloc-fix later to maint). + + * A test helper "test_cmp A B" was taught to diagnose missing files A + or B as a bug in test, but some tests legitimately wanted to notice + a failure to even create file B as an error, in addition to leaving + the expected result in it, and were misdiagnosed as a bug. This + has been corrected. + (merge 262d5ad5a5 es/test-cmp-typocatcher later to maint). + + * When "git commit-graph" detects the same commit recorded more than + once while it is merging the layers, it used to die. The code now + ignores all but one of them and continues. + (merge 85102ac71b ds/commit-graph-merging-fix later to maint). + + * The meaning of a Signed-off-by trailer can vary from project to + project; this and also what it means to this project has been + clarified in the documentation. + (merge 3abd4a67d9 bk/sob-dco later to maint). + + * "git credential' didn't honor the core.askPass configuration + variable (among other things), which has been corrected. + (merge 567ad2c0f9 tk/credential-config later to maint). + + * Dev support to catch a tentative definition of a variable in our C + code as an error. + (merge 5539183622 jk/no-common later to maint). + + * "git rebase --rebase-merges" did not correctly pass --gpg-sign + command line option to underlying "git merge" when replaying a merge + using non-default merge strategy or when replaying an octopus merge + (because replaying a two-head merge with the default strategy was + done in a separate codepath, the problem did not trigger for most + users), which has been corrected. + (merge 43ad4f2eca sc/sequencer-gpg-octopus later to maint). + + * "git apply -R" did not handle patches that touch the same path + twice correctly, which has been corrected. This is most relevant + in a patch that changes a path from a regular file to a symbolic + link (and vice versa). + (merge b0f266de11 jt/apply-reverse-twice later to maint). + + * A recent oid->hash conversion missed one spot, breaking "git svn". + (merge 03bb366de4 bc/svn-hash-oid-fix later to maint). + + * The documentation on the "--abbrev=<n>" option did not say the + output may be longer than "<n>" hexdigits, which has been + clarified. + (merge cda34e0d0c jc/abbrev-doc later to maint). + + * "git p4" now honors init.defaultBranch configuration. + (merge 1b09d1917f js/p4-default-branch later to maint). + + * Recently the format of an internal state file "rebase -i" uses has + been tightened up for consistency, which would hurt those who start + "rebase -i" with old git and then continue with new git. Loosen + the reader side a bit (which we may want to tighten again in a year + or so). + (merge c779386182 jc/sequencer-stopped-sha-simplify later to maint). + + * The code to see if "git stash drop" can safely remove refs/stash + has been made more careful. + (merge 4f44c5659b rs/empty-reflog-check-fix later to maint). + + * "git log -L<range>:<path>" is documented to take no pathspec, but + this was not enforced by the command line option parser, which has + been corrected. + (merge 39664cb0ac jc/line-log-takes-no-pathspec later to maint). + + * "git format-patch --output=there" did not work as expected and + instead crashed. The option is now supported. + (merge dc1672dd10 jk/format-patch-output later to maint). + + * Define ARM64 compiled with MSVC to be little-endian. + (merge 0c038fc65a dg/bswap-msvc later to maint). + + * "git rebase -i" did not store ORIG_HEAD correctly. + (merge 8843302307 pw/rebase-i-orig-head later to maint). + + * "git blame -L :funcname -- path" did not work well for a path for + which a userdiff driver is defined. + + * "make DEVELOPER=1 sparse" used to run sparse and let it emit + warnings; now such warnings will cause an error. + (merge 521dc56270 jc/sparse-error-for-developer-build later to maint). + + * "git blame --ignore-revs-file=<file>" learned to ignore a + non-existent object name in the input, instead of complaining. + (merge c714d05875 jc/blame-ignore-fix later to maint). + + * Running "git diff" while allowing external diff in a state with + unmerged paths used to segfault, which has been corrected. + (merge d66851806f jk/diff-release-filespec-fix later to maint). + + * Build configuration cleanup. + (merge b990f02fd8 ab/config-mak-uname-simplify later to maint). + + * Fix regression introduced when nvimdiff support in mergetool was added. + (merge 12026f46e7 pd/mergetool-nvimdiff later to maint). + + * The exchange between receive-pack and proc-receive hook did not + carefully check for errors. + + * The code was not prepared to deal with pack .idx file that is + larger than 4GB. + (merge 81c4c5cf2e jk/4gb-idx later to maint). + + * Since jgit does not yet work with SHA-256 repositories, mark the + tests that use it not to run unless we are testing with ShA-1 + repositories. + (merge ea699b4adc sg/t5310-jgit-wants-sha1 later to maint). + + * Config parser fix for "git notes". + (merge 45fef1599a na/notes-displayref-is-not-boolean later to maint). + + * Move a definition of compatibility wrapper from cache.h to + git-compat-util.h + (merge a76b138daa hn/sleep-millisec-decl later to maint). + + * Error message fix. + (merge eaf5341538 km/stash-error-message-fix later to maint). + + * "git pull --rebase --recurse-submodules" checked for local changes + in a wrong range and failed to run correctly when it should. + (merge 5176f20ffe pb/pull-rebase-recurse-submodules later to maint). + + * "git push" that is killed may leave a pack-objects process behind, + still computing to find a good compression, wasting cycles. This + has been corrected. + (merge 8b59935114 jk/stop-pack-objects-when-push-is-killed later to maint). + + * "git fetch" that is killed may leave a pack-objects process behind, + still computing to find a good compression, wasting cycles. This + has been corrected. + (merge 309a4028e7 jk/stop-pack-objects-when-fetch-is-killed later to maint). + + * "git add -i" failed to honor custom colors configured to show + patches, which has been corrected. + (merge 96386faa03 js/add-i-color-fix later to maint). + + * Processes that access packdata while the .idx file gets removed + (e.g. while repacking) did not fail or fall back gracefully as they + could. + (merge 506ec2fbda tb/idx-midx-race-fix later to maint). + + * "git apply" adjusted the permission bits of working-tree files and + directories according to core.sharedRepository setting by mistake and + for a long time, which has been corrected. + (merge eb3c027e17 mt/do-not-use-scld-in-working-tree later to maint). + + * "fetch-pack" could pass NULL pointer to unlink(2) when it sees an + invalid filename; the error checking has been tightened to make + this impossible. + (merge 6031af387e rs/fetch-pack-invalid-lockfile later to maint). + + * "git maintenance run/start/stop" needed to be run in a repository + to hold the lockfile they use, but didn't make sure they are + actually in a repository, which has been corrected. + + * The glossary described a branch as an "active" line of development, + which is misleading---a stale and non-moving branch is still a + branch. + (merge eef1ceabd8 so/glossary-branch-is-not-necessarily-active later to maint). + + * Newer versions of xsltproc can assign IDs in HTML documents it + generates in a consistent manner. Use the feature to help format + HTML version of the user manual reproducibly. + (merge 3569e11d69 ae/doc-reproducible-html later to maint). + + * Tighten error checking in the codepath that responds to "git fetch". + (merge d43a21bdbb jk/check-config-parsing-error-in-upload-pack later to maint). + + * "git pack-redundant" when there is only one packfile used to crash, + which has been corrected. + (merge 0696232390 jx/pack-redundant-on-single-pack later to maint). + + * Other code cleanup, docfix, build fix, etc. + (merge 3e0a5dc9af cc/doc-filter-branch-typofix later to maint). + (merge 32c83afc2c cw/ci-ghwf-check-ws-errors later to maint). + (merge 5eb2ed691b rs/tighten-callers-of-deref-tag later to maint). + (merge 6db29ab213 jk/fast-import-marks-cleanup later to maint). + (merge e5cf6d3df4 nk/dir-c-comment-update later to maint). + (merge 5710dcce74 jk/report-fn-typedef later to maint). + (merge 9a82db1056 en/sequencer-rollback-lock-cleanup later to maint). + (merge 4e1bee9a99 js/t7006-cleanup later to maint). + (merge f5bcde6c58 es/tutorial-mention-asciidoc-early later to maint). + (merge 714d491af0 so/format-patch-doc-on-default-diff-format later to maint). + (merge 0795df4b9b rs/clear-commit-marks-in-repo later to maint). + (merge 9542d56379 sd/prompt-local-variable later to maint). + (merge 06d43fad18 rs/pack-write-hashwrite-simplify later to maint). + (merge b7e20b4373 mc/typofix later to maint). + (merge f6bcd9a8a4 js/test-whitespace-fixes later to maint). + (merge 53b67a801b js/test-file-size later to maint). + (merge 970909c2a7 rs/hashwrite-be64 later to maint). + (merge 5a923bb1f0 ma/list-object-filter-opt-msgfix later to maint). + (merge 1c3e412916 rs/archive-plug-leak-refname later to maint). + (merge d44e5267ea rs/plug-diff-cache-leak later to maint). + (merge 793c1464d3 ab/gc-keep-base-option later to maint). + (merge b86339b12b mt/worktree-error-message-fix later to maint). + (merge e01ae2a4a7 js/pull-rebase-use-advise later to maint). + (merge e63d774242 sn/config-doc-typofix later to maint). + (merge 08e9df2395 jk/multi-line-indent-style-fix later to maint). + (merge e66590348a da/vs-build-iconv-fix later to maint). + (merge 7fe07275be js/cmake-extra-built-ins-fix later to maint). + (merge 633eebe142 jb/midx-doc-update later to maint). + (merge 5885367e8f jh/index-v2-doc-on-fsmn later to maint). + (merge 14639a4779 jc/compat-util-setitimer-fix later to maint). + (merge 56f56ac50b ab/unreachable-break later to maint). + (merge 731d578b4f rb/nonstop-config-mak-uname-update later to maint). + (merge f4698738f9 es/perf-export-fix later to maint). + (merge 773c694142 nk/refspecs-negative-fix later to maint). diff --git a/Documentation/RelNotes/2.30.1.txt b/Documentation/RelNotes/2.30.1.txt new file mode 100644 index 0000000000..249ef1492f --- /dev/null +++ b/Documentation/RelNotes/2.30.1.txt @@ -0,0 +1,55 @@ +Git v2.30.1 Release Notes +========================= + +This release is primarily to merge fixes accumulated on the 'master' +front to prepare for 2.31 release that are still relevant to 2.30.x +maintenance track. + +Fixes since v2.30 +----------------- + + * "git fetch --recurse-submodules" failed to update a submodule + when it has an uninitialized (hence of no interest to the user) + sub-submodule, which has been corrected. + + * Command line error of "git rebase" are diagnosed earlier. + + * "git stash" did not work well in a sparsely checked out working + tree. + + * Some tests expect that "ls -l" output has either '-' or 'x' for + group executable bit, but setgid bit can be inherited from parent + directory and make these fields 'S' or 's' instead, causing test + failures. + + * "git for-each-repo --config=<var> <cmd>" should not run <cmd> for + any repository when the configuration variable <var> is not defined + even once. + + * "git mergetool --tool-help" was broken in 2.29 and failed to list + all the available tools. + + * Fix for procedure to building CI test environment for mac. + + * Newline characters in the host and path part of git:// URL are + now forbidden. + + * When more than one commit with the same patch ID appears on one + side, "git log --cherry-pick A...B" did not exclude them all when a + commit with the same patch ID appears on the other side. Now it + does. + + * Documentation for "git fsck" lost stale bits that has become + incorrect. + + * Doc for packfile URI feature has been clarified. + + * The implementation of "git branch --sort" wrt the detached HEAD + display has always been hacky, which has been cleaned up. + + * Our setting of GitHub CI test jobs were a bit too eager to give up + once there is even one failure found. Tweak the knob to allow + other jobs keep running even when we see a failure, so that we can + find more failures in a single run. + +Also contains minor documentation updates and code clean-ups. diff --git a/Documentation/RelNotes/2.30.2.txt b/Documentation/RelNotes/2.30.2.txt new file mode 100644 index 0000000000..bada398501 --- /dev/null +++ b/Documentation/RelNotes/2.30.2.txt @@ -0,0 +1,8 @@ +Git v2.30.2 Release Notes +========================= + +This release merges up the fixes that appear in v2.17.6, v2.18.5, +v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4, v2.25.5, +v2.26.3, v2.27.1, v2.28.1 and v2.29.3 to address the security +issue CVE-2021-21300; see the release notes for these versions +for details. diff --git a/Documentation/RelNotes/2.31.0.txt b/Documentation/RelNotes/2.31.0.txt new file mode 100644 index 0000000000..cf0c7d8d40 --- /dev/null +++ b/Documentation/RelNotes/2.31.0.txt @@ -0,0 +1,365 @@ +Git 2.31 Release Notes +====================== + +Updates since v2.30 +------------------- + +Backward incompatible and other important changes + + * The "pack-redundant" command, which has been left stale with almost + unusable performance issues, now warns loudly when it gets used, as + we no longer want to recommend its use (instead just "repack -d" + instead). + + * The development community has adopted Contributor Covenant v2.0 to + update from v1.4 that we have been using. + + * The support for deprecated PCRE1 library has been dropped. + + * Fixes for CVE-2021-21300 in Git 2.30.2 (and earlier) is included. + + +UI, Workflows & Features + + * The "--format=%(trailers)" mechanism gets enhanced to make it + easier to design output for machine consumption. + + * When a user does not tell "git pull" to use rebase or merge, the + command gives a loud message telling a user to choose between + rebase or merge but creates a merge anyway, forcing users who would + want to rebase to redo the operation. Fix an early part of this + problem by tightening the condition to give the message---there is + no reason to stop or force the user to choose between rebase or + merge if the history fast-forwards. + + * The configuration variable 'core.abbrev' can be set to 'no' to + force no abbreviation regardless of the hash algorithm. + + * "git rev-parse" can be explicitly told to give output as absolute + or relative path with the `--path-format=(absolute|relative)` option. + + * Bash completion (in contrib/) update to make it easier for + end-users to add completion for their custom "git" subcommands. + + * "git maintenance" learned to drive scheduled maintenance on + platforms whose native scheduling methods are not 'cron'. + + * After expiring a reflog and making a single commit, the reflog for + the branch would record a single entry that knows both @{0} and + @{1}, but we failed to answer "what commit were we on?", i.e. @{1} + + * "git bundle" learns "--stdin" option to read its refs from the + standard input. Also, it now does not lose refs whey they point + at the same object. + + * "git log" learned a new "--diff-merges=<how>" option. + + * "git ls-files" can and does show multiple entries when the index is + unmerged, which is a source for confusion unless -s/-u option is in + use. A new option --deduplicate has been introduced. + + * `git worktree list` now annotates worktrees as prunable, shows + locked and prunable attributes in --porcelain mode, and gained + a --verbose option. + + * "git clone" tries to locally check out the branch pointed at by + HEAD of the remote repository after it is done, but the protocol + did not convey the information necessary to do so when copying an + empty repository. The protocol v2 learned how to do so. + + * There are other ways than ".." for a single token to denote a + "commit range", namely "<rev>^!" and "<rev>^-<n>", but "git + range-diff" did not understand them. + + * The "git range-diff" command learned "--(left|right)-only" option + to show only one side of the compared range. + + * "git mergetool" feeds three versions (base, local and remote) of + a conflicted path unmodified. The command learned to optionally + prepare these files with unconflicted parts already resolved. + + * The .mailmap is documented to be read only from the root level of a + working tree, but a stray file in a bare repository also was read + by accident, which has been corrected. + + * "git maintenance" tool learned a new "pack-refs" maintenance task. + + * The error message given when a configuration variable that is + expected to have a boolean value has been improved. + + * Signed commits and tags now allow verification of objects, whose + two object names (one in SHA-1, the other in SHA-256) are both + signed. + + * "git rev-list" command learned "--disk-usage" option. + + * "git {diff,log} --{skip,rotate}-to=<path>" allows the user to + discard diff output for early paths or move them to the end of the + output. + + * "git difftool" learned "--skip-to=<path>" option to restart an + interrupted session from an arbitrary path. + + * "git grep" has been tweaked to be limited to the sparse checkout + paths. + + * "git rebase --[no-]fork-point" gained a configuration variable + rebase.forkPoint so that users do not have to keep specifying a + non-default setting. + + +Performance, Internal Implementation, Development Support etc. + + * A 3-year old test that was not testing anything useful has been + corrected. + + * Retire more names with "sha1" in it. + + * The topological walk codepath is covered by new trace2 stats. + + * Update the Code-of-conduct to version 2.0 from the upstream (we've + been using version 1.4). + + * "git mktag" validates its input using its own rules before writing + a tag object---it has been updated to share the logic with "git + fsck". + + * Two new ways to feed configuration variable-value pairs via + environment variables have been introduced, and the way + GIT_CONFIG_PARAMETERS encodes variable/value pairs has been tweaked + to make it more robust. + + * Tests have been updated so that they do not to get affected by the + name of the default branch "git init" creates. + + * "git fetch" learns to treat ref updates atomically in all-or-none + fashion, just like "git push" does, with the new "--atomic" option. + + * The peel_ref() API has been replaced with peel_iterated_oid(). + + * The .use_shell flag in struct child_process that is passed to + run_command() API has been clarified with a bit more documentation. + + * Document, clean-up and optimize the code around the cache-tree + extension in the index. + + * The ls-refs protocol operation has been optimized to narrow the + sub-hierarchy of refs/ it walks to produce response. + + * When removing many branches and tags, the code used to do so one + ref at a time. There is another API it can use to delete multiple + refs, and it makes quite a lot of performance difference when the + refs are packed. + + * The "pack-objects" command needs to iterate over all the tags when + automatic tag following is enabled, but it actually iterated over + all refs and then discarded everything outside "refs/tags/" + hierarchy, which was quite wasteful. + + * A perf script was made more portable. + + * Our setting of GitHub CI test jobs were a bit too eager to give up + once there is even one failure found. Tweak the knob to allow + other jobs keep running even when we see a failure, so that we can + find more failures in a single run. + + * We've carried compatibility codepaths for compilers without + variadic macros for quite some time, but the world may be ready for + them to be removed. Force compilation failure on exotic platforms + where variadic macros are not available to find out who screams in + such a way that we can easily revert if it turns out that the world + is not yet ready. + + * Code clean-up to ensure our use of hashtables using object names as + keys use the "struct object_id" objects, not the raw hash values. + + * Lose the debugging aid that may have been useful in the past, but + no longer is, in the "grep" codepaths. + + * Some pretty-format specifiers do not need the data in commit object + (e.g. "%H"), but we were over-eager to load and parse it, which has + been made even lazier. + + * Get rid of "GETTEXT_POISON" support altogether, which may or may + not be controversial. + + * Introduce an on-disk file to record revindex for packdata, which + traditionally was always created on the fly and only in-core. + + * The commit-graph learned to use corrected commit dates instead of + the generation number to help topological revision traversal. + + * Piecemeal of rewrite of "git bisect" in C continues. + + * When a pager spawned by us exited, the trace log did not record its + exit status correctly, which has been corrected. + + * Removal of GIT_TEST_GETTEXT_POISON continues. + + * The code to implement "git merge-base --independent" was poorly + done and was kept from the very beginning of the feature. + + * Preliminary changes to fsmonitor integration. + + * Performance improvements for rename detection. + + * The common code to deal with "chunked file format" that is shared + by the multi-pack-index and commit-graph files have been factored + out, to help codepaths for both filetypes to become more robust. + + * The approach to "fsck" the incoming objects in "index-pack" is + attractive for performance reasons (we have them already in core, + inflated and ready to be inspected), but fundamentally cannot be + applied fully when we receive more than one pack stream, as a tree + object in one pack may refer to a blob object in another pack as + ".gitmodules", when we want to inspect blobs that are used as + ".gitmodules" file, for example. Teach "index-pack" to emit + objects that must be inspected later and check them in the calling + "fetch-pack" process. + + * The logic to handle "trailer" related placeholders in the + "--format=" mechanisms in the "log" family and "for-each-ref" + family is getting unified. + + * Raise the buffer size used when writing the index file out from + (obviously too small) 8kB to (clearly sufficiently large) 128kB. + + * It is reported that open() on some platforms (e.g. macOS Big Sur) + can return EINTR even though our timers are set up with SA_RESTART. + A workaround has been implemented and enabled for macOS to rerun + open() transparently from the caller when this happens. + + +Fixes since v2.30 +----------------- + + * Diagnose command line error of "git rebase" early. + + * Clean up option descriptions in "git cmd --help". + + * "git stash" did not work well in a sparsely checked out working + tree. + + * Some tests expect that "ls -l" output has either '-' or 'x' for + group executable bit, but setgid bit can be inherited from parent + directory and make these fields 'S' or 's' instead, causing test + failures. + + * "git for-each-repo --config=<var> <cmd>" should not run <cmd> for + any repository when the configuration variable <var> is not defined + even once. + + * Fix 2.29 regression where "git mergetool --tool-help" fails to list + all the available tools. + + * Fix for procedure to building CI test environment for mac. + + * The implementation of "git branch --sort" wrt the detached HEAD + display has always been hacky, which has been cleaned up. + + * Newline characters in the host and path part of git:// URL are + now forbidden. + + * "git diff" showed a submodule working tree with untracked cruft as + "Submodule commit <objectname>-dirty", but a natural expectation is + that the "-dirty" indicator would align with "git describe --dirty", + which does not consider having untracked files in the working tree + as source of dirtiness. The inconsistency has been fixed. + + * When more than one commit with the same patch ID appears on one + side, "git log --cherry-pick A...B" did not exclude them all when a + commit with the same patch ID appears on the other side. Now it + does. + + * Documentation for "git fsck" lost stale bits that has become + incorrect. + + * Doc fix for packfile URI feature. + + * When "git rebase -i" processes "fixup" insn, there is no reason to + clean up the commit log message, but we did the usual stripspace + processing. This has been corrected. + (merge f7d42ceec5 js/rebase-i-commit-cleanup-fix later to maint). + + * Fix in passing custom args from "git clone" to "upload-pack" on the + other side. + (merge ad6b5fefbd jv/upload-pack-filter-spec-quotefix later to maint). + + * The command line completion (in contrib/) completed "git branch -d" + with branch names, but "git branch -D" offered tagnames in addition, + which has been corrected. "git branch -M" had the same problem. + (merge 27dc071b9a jk/complete-branch-force-delete later to maint). + + * When commands are started from a subdirectory, they may have to + compare the path to the subdirectory (called prefix and found out + from $(pwd)) with the tracked paths. On macOS, $(pwd) and + readdir() yield decomposed path, while the tracked paths are + usually normalized to the precomposed form, causing mismatch. This + has been fixed by taking the same approach used to normalize the + command line arguments. + (merge 5c327502db tb/precompose-prefix-too later to maint). + + * Even though invocations of "die()" were logged to the trace2 + system, "BUG()"s were not, which has been corrected. + (merge 0a9dde4a04 jt/trace2-BUG later to maint). + + * "git grep --untracked" is meant to be "let's ALSO find in these + files on the filesystem" when looking for matches in the working + tree files, and does not make any sense if the primary search is + done against the index, or the tree objects. The "--cached" and + "--untracked" options have been marked as mutually incompatible. + (merge 0c5d83b248 mt/grep-cached-untracked later to maint). + + * Fix "git fsck --name-objects" which apparently has not been used by + anybody who is motivated enough to report breakage. + (merge e89f89361c js/fsck-name-objects-fix later to maint). + + * Avoid individual tests in t5411 from getting affected by each other + by forcing them to use separate output files during the test. + (merge 822ee894f6 jx/t5411-unique-filenames later to maint). + + * Test to make sure "git rev-parse one-thing one-thing" gives + the same thing twice (when one-thing is --since=X). + (merge a5cdca4520 ew/rev-parse-since-test later to maint). + + * When certain features (e.g. grafts) used in the repository are + incompatible with the use of the commit-graph, we used to silently + turned commit-graph off; we now tell the user what we are doing. + (merge c85eec7fc3 js/commit-graph-warning later to maint). + + * Objects that lost references can be pruned away, even when they + have notes attached to it (and these notes will become dangling, + which in turn can be pruned with "git notes prune"). This has been + clarified in the documentation. + (merge fa9ab027ba mz/doc-notes-are-not-anchors later to maint). + + * The error codepath around the "--temp/--prefix" feature of "git + checkout-index" has been improved. + (merge 3f7ba60350 mt/checkout-index-corner-cases later to maint). + + * The "git maintenance register" command had trouble registering bare + repositories, which had been corrected. + + * A handful of multi-word configuration variable names in + documentation that are spelled in all lowercase have been corrected + to use the more canonical camelCase. + (merge 7dd0eaa39c dl/doc-config-camelcase later to maint). + + * "git push $there --delete ''" should have been diagnosed as an + error, but instead turned into a matching push, which has been + corrected. + (merge 20e416409f jc/push-delete-nothing later to maint). + + * Test script modernization. + (merge 488acf15df sv/t7001-modernize later to maint). + + * An under-allocation for the untracked cache data has been corrected. + (merge 6347d649bc jh/untracked-cache-fix later to maint). + + * Other code cleanup, docfix, build fix, etc. + (merge e3f5da7e60 sg/t7800-difftool-robustify later to maint). + (merge 9d336655ba js/doc-proto-v2-response-end later to maint). + (merge 1b5b8cf072 jc/maint-column-doc-typofix later to maint). + (merge 3a837b58e3 cw/pack-config-doc later to maint). + (merge 01168a9d89 ug/doc-commit-approxidate later to maint). + (merge b865734760 js/params-vs-args later to maint). |