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Diffstat (limited to 'Documentation/RelNotes/2.15.0.txt')
| -rw-r--r-- | Documentation/RelNotes/2.15.0.txt | 231 |
1 files changed, 214 insertions, 17 deletions
diff --git a/Documentation/RelNotes/2.15.0.txt b/Documentation/RelNotes/2.15.0.txt index 9b5c417b0e..cdd761bcc2 100644 --- a/Documentation/RelNotes/2.15.0.txt +++ b/Documentation/RelNotes/2.15.0.txt @@ -8,12 +8,12 @@ Backward compatibility notes and other notable changes. more explicit '.' for that instead. The hope is that existing users will not mind this change, and eventually the warning can be turned into a hard error, upgrading the deprecation into removal of - this (mis)feature. That is now scheduled to happen in the upcoming - release. + this (mis)feature. That is now scheduled to happen in Git v2.16, + the next major release after this one. * Git now avoids blindly falling back to ".git" when the setup sequence said we are _not_ in Git repository. A corner case that - happens to work right now may be broken by a call to die("BUG"). + happens to work right now may be broken by a call to BUG(). We've tried hard to locate such cases and fixed them, but there might still be cases that need to be addressed--bug reports are greatly appreciated. @@ -61,7 +61,11 @@ UI, Workflows & Features other options to make it easier for scripts to grab existing trailer lines from a commit log message. - * "gitweb" shows a link to visit the 'raw' contents of blbos in the + * The "--format=%(trailers)" option "git log" and its friends take + learned to take the 'unfold' and 'only' modifiers to normalize its + output, e.g. "git log --format=%(trailers:only,unfold)". + + * "gitweb" shows a link to visit the 'raw' contents of blobs in the history overview page. * "[gc] rerereResolved = 5.days" used to be invalid, as the variable @@ -80,19 +84,38 @@ UI, Workflows & Features * The codepath to call external process filter for smudge/clean operation learned to show the progress meter. + * "git rev-parse" learned "--is-shallow-repository", that is to be + used in a way similar to existing "--is-bare-repository" and + friends. + + * "git describe --match <pattern>" has been taught to play well with + the "--all" option. + + * "git branch" learned "-c/-C" to create a new branch by copying an + existing one. + + * Some commands (most notably "git status") makes an opportunistic + update when performing a read-only operation to help optimize later + operations in the same repository. The new "--no-optional-locks" + option can be passed to Git to disable them. + + * "git for-each-ref --format=..." learned a new format element, + %(trailers), to show only the commit log trailer part of the log + message. + Performance, Internal Implementation, Development Support etc. * Conversion from uchar[20] to struct object_id continues. * Start using selected c99 constructs in small, stable and - essentialpart of the system to catch people who care about + essential part of the system to catch people who care about older compilers that do not grok them. * The filter-process interface learned to allow a process with long latency give a "delayed" response. - * Many uses of comparision callback function the hashmap API uses + * Many uses of comparison callback function the hashmap API uses cast the callback function type when registering it to hashmap_init(), which defeats the compile time type checking when the callback interface changes (e.g. gaining more parameters). @@ -110,7 +133,6 @@ Performance, Internal Implementation, Development Support etc. * A helper function to read a single whole line into strbuf mistakenly triggered OOM error at EOF under certain conditions, which has been fixed. - (merge 642956cf45 rs/strbuf-getwholeline-fix later to maint). * The "ref-store" code reorganization continues. @@ -167,6 +189,55 @@ Performance, Internal Implementation, Development Support etc. * Many leaks of strbuf have been fixed. + * "git imap-send" has our own implementation of the protocol and also + can use more recent libCurl with the imap protocol support. Update + the latter so that it can use the credential subsystem, and then + make it the default option to use, so that we can eventually + deprecate and remove the former. + + * "make style" runs git-clang-format to help developers by pointing + out coding style issues. + + * A test to demonstrate "git mv" failing to adjust nested submodules + has been added. + (merge c514167df2 hv/mv-nested-submodules-test later to maint). + + * On Cygwin, "ulimit -s" does not report failure but it does not work + at all, which causes an unexpected success of some tests that + expect failures under a limited stack situation. This has been + fixed. + + * Many codepaths have been updated to squelch -Wimplicit-fallthrough + warnings from Gcc 7 (which is a good code hygiene). + + * Add a helper for DLL loading in anticipation for its need in a + future topic RSN. + + * "git status --ignored", when noticing that a directory without any + tracked path is ignored, still enumerated all the ignored paths in + the directory, which is unnecessary. The codepath has been + optimized to avoid this overhead. + + * The final batch to "git rebase -i" updates to move more code from + the shell script to C has been merged. + + * Operations that do not touch (majority of) packed refs have been + optimized by making accesses to packed-refs file lazy; we no longer + pre-parse everything, and an access to a single ref in the + packed-refs does not touch majority of irrelevant refs, either. + + * Add comment to clarify that the style file is meant to be used with + clang-5 and the rules are still work in progress. + + * Many variables that points at a region of memory that will live + throughout the life of the program have been marked with UNLEAK + marker to help the leak checkers concentrate on real leaks.. + + * Plans for weaning us off of SHA-1 has been documented. + + * A new "oidmap" API has been introduced and oidset API has been + rewritten to use it. + Also contains various documentation updates and code clean-ups. @@ -270,7 +341,6 @@ Fixes since v2.14 was taught to "git send-email" as a valid way to tell it that it needs to also send a carbon copy to <a@dd.re.ss> in the trailer section. - (merge cc90750677 mm/send-email-cc-cruft later to maint). * "git branch -M a b" while on a branch that is completely unrelated to either branch a or branch b misbehaved when multiple worktree @@ -284,7 +354,6 @@ Fixes since v2.14 garbage collection. * A regression to "gitk --bisect" by a recent update has been fixed. - (merge 1d0538e486 mh/packed-ref-store-prep later to maint). * "git -c submodule.recurse=yes pull" did not work as if the "--recurse-submodules" option was given from the command line. @@ -294,18 +363,146 @@ Fixes since v2.14 pass the contents of the file verbatim and instead completed an incomplete line at the end, if exists. The latter has been updated to match the behaviour of the former. - (merge c818e74332 rk/commit-tree-make-F-verbatim later to maint). + + * Many codepaths did not diagnose write failures correctly when disks + go full, due to their misuse of write_in_full() helper function, + which have been corrected. + (merge f48ecd38cb jk/write-in-full-fix later to maint). + + * "git help co" now says "co is aliased to ...", not "git co is". + (merge b3a8076e0d ks/help-alias-label later to maint). + + * "git archive", especially when used with pathspec, stored an empty + directory in its output, even though Git itself never does so. + This has been fixed. + + * API error-proofing which happens to also squelch warnings from GCC. + + * The explanation of the cut-line in the commit log editor has been + slightly tweaked. + (merge 8c4b1a3593 ks/commit-do-not-touch-cut-line later to maint). + + * "git gc" tries to avoid running two instances at the same time by + reading and writing pid/host from and to a lock file; it used to + use an incorrect fscanf() format when reading, which has been + corrected. + + * The scripts to drive TravisCI has been reorganized and then an + optimization to avoid spending cycles on a branch whose tip is + tagged has been implemented. + (merge 8376eb4a8f ls/travis-scriptify later to maint). + + * The test linter has been taught that we do not like "echo -e". + + * Code cmp.std.c nitpick. + + * A regression fix for 2.11 that made the code to read the list of + alternate object stores overrun the end of the string. + (merge f0f7bebef7 jk/info-alternates-fix later to maint). + + * "git describe --match" learned to take multiple patterns in v2.13 + series, but the feature ignored the patterns after the first one + and did not work at all. This has been fixed. + + * "git filter-branch" cannot reproduce a history with a tag without + the tagger field, which only ancient versions of Git allowed to be + created. This has been corrected. + (merge b2c1ca6b4b ic/fix-filter-branch-to-handle-tag-without-tagger later to maint). + + * "git cat-file --textconv" started segfaulting recently, which + has been corrected. + + * The built-in pattern to detect the "function header" for HTML did + not match <H1>..<H6> elements without any attributes, which has + been fixed. + + * "git mailinfo" was loose in decoding quoted printable and produced + garbage when the two letters after the equal sign are not + hexadecimal. This has been fixed. + + * The machinery to create xdelta used in pack files received the + sizes of the data in size_t, but lost the higher bits of them by + storing them in "unsigned int" during the computation, which is + fixed. + + * The delta format used in the packfile cannot reference data at + offset larger than what can be expressed in 4-byte, but the + generator for the data failed to make sure the offset does not + overflow. This has been corrected. + + * The documentation for '-X<option>' for merges was misleadingly + written to suggest that "-s theirs" exists, which is not the case. + + * "git fast-export" with -M/-C option issued "copy" instruction on a + path that is simultaneously modified, which was incorrect. + (merge b3e8ca89cf jt/fast-export-copy-modify-fix later to maint). + + * Many codepaths have been updated to squelch -Wsign-compare + warnings. + (merge 071bcaab64 rj/no-sign-compare later to maint). + + * Memory leaks in various codepaths have been plugged. + (merge 4d01a7fa65 ma/leakplugs later to maint). + + * Recent versions of "git rev-parse --parseopt" did not parse the + option specification that does not have the optional flags (*=?!) + correctly, which has been corrected. + (merge a6304fa4c2 bc/rev-parse-parseopt-fix later to maint). + + * The checkpoint command "git fast-import" did not flush updates to + refs and marks unless at least one object was created since the + last checkpoint, which has been corrected, as these things can + happen without any new object getting created. + (merge 30e215a65c er/fast-import-dump-refs-on-checkpoint later to maint). + + * Spell the name of our system as "Git" in the output from + request-pull script. + + * Fixes for a handful memory access issues identified by valgrind. + + * Backports a moral equivalent of 2015 fix to the poll() emulation + from the upstream gnulib to fix occasional breakages on HPE NonStop. + + * Users with "color.ui = always" in their configuration were broken + by a recent change that made plumbing commands to pay attention to + them as the patch created internally by "git add -p" were colored + (heh) and made unusable. This has been fixed by reverting the + offending change. + + * In the "--format=..." option of the "git for-each-ref" command (and + its friends, i.e. the listing mode of "git branch/tag"), "%(atom:)" + (e.g. "%(refname:)", "%(body:)" used to error out. Instead, treat + them as if the colon and an empty string that follows it were not + there. + + * An ancient bug that made Git misbehave with creation/renaming of + refs has been fixed. + + * "git fetch <there> <src>:<dst>" allows an object name on the <src> + side when the other side accepts such a request since Git v2.5, but + the documentation was left stale. + (merge 83558a412a jc/fetch-refspec-doc-update later to maint). + + * Update the documentation for "git filter-branch" so that the filter + options are listed in the same order as they are applied, as + described in an earlier part of the doc. + (merge 07c4984508 dg/filter-branch-filter-order-doc later to maint). + + * A possible oom error is now caught as a fatal error, instead of + continuing and dereferencing NULL. + (merge 55d7d15847 ao/path-use-xmalloc later to maint). * Other minor doc, test and build updates and code cleanups. (merge f094b89a4d ma/parse-maybe-bool later to maint). - (merge 39b00fa4d4 jk/drop-sha1-entry-pos later to maint). (merge 6cdf8a7929 ma/ts-cleanups later to maint). (merge 7560f547e6 ma/up-to-date later to maint). (merge 0db3dc75f3 rs/apply-epoch later to maint). - (merge 74f1bd912b dw/diff-highlight-makefile-fix later to maint). - (merge f991761eb8 jk/config-lockfile-leak-fix later to maint). - (merge 150efef1e7 ma/pkt-line-leakfix later to maint). - (merge 5554451de6 mg/timestamp-t-fix later to maint). (merge 276d0e35c0 ma/split-symref-update-fix later to maint). - (merge 3bc4b8f7c7 bb/doc-eol-dirty later to maint). - (merge c1bb33c99c jk/system-path-cleanup later to maint). + (merge f777623514 ks/branch-tweak-error-message-for-extra-args later to maint). + (merge 33f3c683ec ks/verify-filename-non-option-error-message-tweak later to maint). + (merge 7cbbf9d6a2 ls/filter-process-delayed later to maint). + (merge 488aa65c8f wk/merge-options-gpg-sign-doc later to maint). + (merge e61cb19a27 jc/branch-force-doc-readability-fix later to maint). + (merge 32fceba3fd np/config-path-doc later to maint). + (merge e38c681fb7 sb/rev-parse-show-superproject-root later to maint). + (merge 4f851dc883 sg/rev-list-doc-reorder-fix later to maint). |