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d7d8841f JH |
1 | Git v2.42 Release Notes |
2 | ======================= | |
3 | ||
4 | UI, Workflows & Features | |
5 | ||
6 | * "git pack-refs" learns "--include" and "--exclude" to tweak the ref | |
7 | hierarchy to be packed using pattern matching. | |
8 | ||
0bfa463d JH |
9 | * 'git worktree add' learned how to create a worktree based on an |
10 | orphaned branch with `--orphan`. | |
11 | ||
6ff33418 JH |
12 | * "git pack-objects" learned to invoke a new hook program that |
13 | enumerates extra objects to be used as anchoring points to keep | |
14 | otherwise unreachable objects in cruft packs. | |
15 | ||
a646b86c JH |
16 | * Add more "git var" for toolsmiths to learn various locations Git is |
17 | configured with either via the configuration or hardcoded defaults. | |
18 | ||
061c5864 JH |
19 | * 'git notes append' was taught '--separator' to specify string to insert |
20 | between paragraphs. | |
21 | ||
830b4a04 JH |
22 | * The "git for-each-ref" family of commands learned placeholders |
23 | related to GPG signature verification. | |
24 | ||
5e238546 JH |
25 | * "git diff --no-index" learned to read from named pipes as if they |
26 | were regular files, to allow "git diff <(process) <(substitution)" | |
27 | some shells support. | |
28 | ||
a80be152 JH |
29 | * Help newbies by suggesting that there are cases where force-pushing |
30 | is a valid and sensible thing to update a branch at a remote | |
31 | repository, rather than reconciling with merge/rebase. | |
32 | ||
ac83bc50 JH |
33 | * "git blame --contents=file" has been taught to work in a bare |
34 | repository. | |
35 | ||
36 | * "git branch -f X" to repoint the branch X said that X was "checked | |
37 | out" in another worktree, even when branch X was not and instead | |
38 | being bisected or rebased. The message was reworded to say the | |
39 | branch was "in use". | |
40 | ||
a82fb66f JH |
41 | * Tone down the warning on SHA-256 repositories being an experimental |
42 | curiosity. We do not have support for them to interoperate with | |
43 | traditional SHA-1 repositories, but at this point, we do not plan | |
44 | to make breaking changes to SHA-256 repositories and there is no | |
45 | longer need for such a strongly phrased warning. | |
46 | ||
d7d8841f JH |
47 | |
48 | Performance, Internal Implementation, Development Support etc. | |
49 | ||
50 | * "git diff-tree" has been taught to take advantage of the | |
51 | sparse-index feature. | |
52 | ||
6640c2d0 JH |
53 | * Clang's sanitizer implementation seems to work better than GCC's. |
54 | (merge d88d727143 jk/ci-use-clang-for-sanitizer-jobs later to maint). | |
55 | ||
0bfa463d JH |
56 | * The object traversal using reachability bitmap done by |
57 | "pack-object" has been tweaked to take advantage of the fact that | |
58 | using "boundary" commits as representative of all the uninteresting | |
59 | ones can save quite a lot of object enumeration. | |
60 | ||
6ff33418 JH |
61 | * discover_git_directory() no longer touches the_repository. |
62 | ||
63 | * "git worktree" learned to work better with sparse index feature. | |
64 | ||
9748a682 JH |
65 | * When the external merge driver is killed by a signal, its output |
66 | should not be trusted as a resolution with conflicts that is | |
67 | proposed by the driver, but the code did. | |
68 | ||
a646b86c JH |
69 | * The set-up code for the get_revision() API now allows feeding |
70 | options like --all and --not in the --stdin mode. | |
71 | ||
061c5864 JH |
72 | * Move functions that are not about pure string manipulation out of |
73 | strbuf.[ch] | |
74 | ||
830b4a04 JH |
75 | * "imap-send" codepaths got cleaned up to get rid of unused |
76 | parameters. | |
77 | ||
e43f4fd0 JH |
78 | * Enumerating refs in the packed-refs file, while excluding refs that |
79 | match certain patterns, has been optimized. | |
80 | ||
a80be152 JH |
81 | * Mark-up unused parameters in the code so that we can eventually |
82 | enable -Wunused-parameter by default. | |
83 | ||
1b0a5129 JH |
84 | * Instead of inventing a custom counter variables for debugging, |
85 | use existing trace2 facility in the fsync customization codepath. | |
86 | ||
87 | * "git branch --list --format=<format>" and friends are taught | |
88 | a new "%(describe)" placeholder. | |
89 | ||
ac83bc50 JH |
90 | * Clarify how to choose the starting point for a new topic in |
91 | developer guidance document. | |
92 | ||
93 | * The implementation of "get_sha1_hex()" that reads a hexadecimal | |
94 | string that spells a full object name has been extended to cope | |
95 | with any hash function used in the repository, but the "sha1" in | |
96 | its name survived. Rename it to get_hash_hex(), a name that is | |
97 | more consistent within its friends like get_hash_hex_algop(). | |
98 | ||
99 | * Command line parser fix, and a small parse-options API update. | |
100 | ||
d7d8841f JH |
101 | |
102 | Fixes since v2.41 | |
103 | ----------------- | |
104 | ||
105 | * "git tag" learned to leave the "$GIT_DIR/TAG_EDITMSG" file when the | |
106 | command failed, so that the user can salvage what they typed. | |
107 | (merge 08c12ec1d0 kh/keep-tag-editmsg-upon-failure later to maint). | |
108 | ||
109 | * The "-s" (silent, squelch) option of the "diff" family of commands | |
110 | did not interact with other options that specify the output format | |
111 | well. This has been cleaned up so that it will clear all the | |
112 | formatting options given before. | |
113 | (merge 9d484b92ed jc/diff-s-with-other-options later to maint). | |
114 | ||
115 | * Update documentation regarding Coccinelle patches. | |
116 | (merge 3bd0097cfc gc/doc-cocci-updates later to maint). | |
117 | ||
118 | * Some atoms that can be used in "--format=<format>" for "git ls-tree" | |
119 | were not supported by "git ls-files", even though they were relevant | |
120 | in the context of the latter. | |
121 | (merge 4d28c4f75f zh/ls-files-format-atoms later to maint). | |
122 | ||
6640c2d0 JH |
123 | * Document more pseudo-refs and teach the command line completion |
124 | machinery to complete AUTO_MERGE. | |
125 | (merge 982ff3a649 pb/complete-and-document-auto-merge-and-friends later to maint). | |
126 | ||
127 | * "git submodule" code trusted the data coming from the config (and | |
128 | the in-tree .gitmodules file) too much without validating, leading | |
129 | to NULL dereference if the user mucks with a repository (e.g. | |
130 | submodule.<name>.url is removed). This has been corrected. | |
131 | (merge fbc806acd1 tb/submodule-null-deref-fix later to maint). | |
132 | ||
133 | * The value of config.worktree is per-repository, but has been kept | |
134 | in a singleton global variable per process. This has been OK as | |
135 | most Git operations interacted with a single repository at a time, | |
136 | but not right for operations like recursive "grep" that want to | |
137 | access multiple repositories from a single process without forking. | |
138 | ||
139 | The global variable has been eliminated and made into a member in | |
140 | the per-repository data structure. | |
141 | (merge 3867f6d650 vd/worktree-config-is-per-repository later to maint). | |
142 | ||
143 | * "git [-c log.follow=true] log [--follow] ':(glob)f**'" used to barf. | |
144 | (merge 8260bc5902 jk/log-follow-with-non-literal-pathspec later to maint). | |
145 | ||
0bfa463d JH |
146 | * Introduce a mechanism to disable replace refs globally and per |
147 | repository. | |
148 | (merge 9c7d1b057f ds/disable-replace-refs later to maint). | |
149 | ||
150 | * "git cat-file --batch" and friends learned "-Z" that uses NUL | |
151 | delimiter for both input and output. | |
152 | (merge f79e18849b ps/cat-file-null-output later to maint). | |
153 | ||
154 | * The reimplemented "git add -i" did not honor color.ui configuration. | |
155 | (merge 6f74648cea ds/add-i-color-configuration-fix later to maint). | |
156 | ||
157 | * Compilation fix for platforms without D_TYPE in struct dirent. | |
158 | (merge 03bf92b9bf as/dtype-compilation-fix later to maint). | |
159 | ||
160 | * Suggest to refrain from using hex literals that are non-portable | |
161 | when writing printf(1) format strings. | |
162 | (merge f0b68f0546 jt/doc-use-octal-with-printf later to maint). | |
163 | ||
6ff33418 JH |
164 | * Simplify error message when run-command fails to start a command. |
165 | (merge 6d224ac286 rs/run-command-exec-error-on-noent later to maint). | |
166 | ||
167 | * Gracefully deal with a stale MIDX file that lists a packfile that | |
168 | no longer exists. | |
169 | (merge 06f3867865 tb/open-midx-bitmap-fallback later to maint). | |
170 | ||
171 | * Even when diff.ignoreSubmodules tells us to ignore submodule | |
172 | changes, "git commit" with an index that already records changes to | |
173 | submodules should include the submodule changes in the resulting | |
174 | commit, but it did not. | |
175 | (merge 5768478edc js/defeat-ignore-submodules-config-with-explicit-addition later to maint). | |
176 | ||
a9e066fa JH |
177 | * When "git commit --trailer=..." invokes the interpret-trailers |
178 | machinery, it knows what it feeds to interpret-trailers is a full | |
179 | log message without any patch, but failed to express that by | |
180 | passing the "--no-divider" option, which has been corrected. | |
181 | (merge be3d654343 jk/commit-use-no-divider-with-interpret-trailers later to maint). | |
182 | ||
183 | * Avoid breakage of "git pack-objects --cruft" due to inconsistency | |
184 | between the way the code enumerates packfiles in the repository. | |
185 | (merge 73320e49ad tb/collect-pack-filenames-fix later to maint). | |
186 | ||
9748a682 JH |
187 | * We create .pack and then .idx, we consider only packfiles that have |
188 | .idx usable (those with only .pack are not ready yet), so we should | |
189 | remove .idx before removing .pack for consistency. | |
190 | (merge 0dd1324a73 ds/remove-idx-before-pack later to maint). | |
191 | ||
061c5864 JH |
192 | * Partially revert a sanity check that the rest of the config code |
193 | was not ready, to avoid triggering it in a corner case. | |
194 | (merge a53f43f900 gc/config-partial-submodule-kvi-fix later to maint). | |
195 | ||
196 | * "git apply" punts when it is fed too large a patch input; the error | |
197 | message it gives when it happens has been clarified. | |
198 | (merge 42612e18d2 pw/apply-too-large later to maint). | |
199 | ||
200 | * During a cherry-pick or revert session that works on multiple | |
201 | commits, "git status" did not give correct information, which has | |
202 | been corrected. | |
203 | (merge a096a889f4 jk/cherry-pick-revert-status later to maint). | |
204 | ||
955c2b1c | 205 | * A few places failed to differentiate the case where the index is |
aa9166bc JH |
206 | truly empty (nothing added) and we haven't yet read from the |
207 | on-disk index file, which have been corrected. | |
208 | (merge 2ee045eea1 js/empty-index-fixes later to maint). | |
209 | ||
830b4a04 JH |
210 | * "git bugreport" tests did not test what it wanted to test, which |
211 | has been corrected. | |
212 | (merge 1aa92b8500 ma/t0091-fixup later to maint). | |
213 | ||
5e238546 JH |
214 | * Code snippets in a tutorial document no longer compiled after |
215 | recent header shuffling, which have been corrected. | |
216 | (merge bbd7c7b7c0 vd/adjust-mfow-doc-to-updated-headers later to maint). | |
217 | ||
218 | * "git ls-files '(attr:X)D/'" that triggers the common prefix | |
219 | optimization codepath failed to read from "D/.gitattributes", | |
220 | which has been corrected. | |
221 | (merge f4a8fde057 jc/pathspec-match-with-common-prefix later to maint). | |
222 | ||
cba07a32 JH |
223 | * "git fsck --no-progress" still spewed noise from the commit-graph |
224 | subsystem, which has been corrected. | |
225 | (merge 9281cd07f0 tb/fsck-no-progress later to maint). | |
226 | ||
a80be152 JH |
227 | * Various offset computation in the code that accesses the packfiles |
228 | and other data in the object layer has been hardened against | |
229 | arithmetic overflow, especially on 32-bit systems. | |
230 | (merge 9a25cad7e0 tb/object-access-overflow-protection later to maint). | |
231 | ||
232 | * Names of MinGW header files are spelled in mixed case in some | |
233 | source files, but the build host can be using case sensitive | |
234 | filesystem with header files with their name spelled in all | |
235 | lowercase. | |
236 | (merge 4a53d0d0bc mh/mingw-case-sensitive-build later to maint). | |
237 | ||
238 | * Update message mark-up for i18n in "git bundle". | |
239 | (merge bbb6acd998 dk/bundle-i18n-more later to maint). | |
240 | ||
241 | * "git tag --list --points-at X" showed tags that directly refers to | |
242 | object X, but did not list a tag that points at such a tag, which | |
243 | has been corrected. | |
244 | ||
1b0a5129 JH |
245 | * "./configure --with-expat=no" did not work as a way to refuse use |
246 | of the expat library on a system with the library installed, which | |
247 | has been corrected. | |
248 | (merge fb8f7269c2 ah/autoconf-fixes later to maint). | |
249 | ||
250 | * When the user edits "rebase -i" todo file so that it starts with a | |
251 | "fixup", which would make it invalid, the command truncated the | |
252 | rest of the file before giving an error and returning the control | |
253 | back to the user. Stop truncating to make it easier to correct | |
254 | such a malformed todo file. | |
255 | (merge 9645a087c2 ah/sequencer-rewrite-todo-fix later to maint). | |
256 | ||
ac83bc50 JH |
257 | * Rewrite the description of giving a custom command to the |
258 | submodule.<name>.update configuration variable. | |
259 | (merge 7cebc5bd78 pv/doc-submodule-update-settings later to maint). | |
260 | ||
fac96dfb JH |
261 | * Adjust to OpenSSL 3+, which deprecates its SHA-1 functions based on |
262 | its traditional API, by using its EVP API instead. | |
263 | (merge bda9c12073 ew/hash-with-openssl-evp later to maint). | |
264 | ||
265 | * Exclude "." from the set of characters to be removed from the | |
266 | beginning and the end of the human-readable name. | |
267 | (merge 1c04cb0744 bc/ident-dot-is-no-longer-crud-letter later to maint). | |
268 | ||
269 | * "git bisect visualize" stopped running "gitk" on Git for Windows | |
270 | when the command was reimplemented in C around Git 2.34 timeframe. | |
271 | This has been corrected. | |
272 | (merge fff1594fa7 ma/locate-in-path-for-windows later to maint). | |
273 | ||
274 | * "git rebase -i" with a series of squash/fixup, when one of the | |
275 | steps stopped in conflicts and ended up getting skipped, did not | |
276 | handle the accumulated commit log messages, which has been | |
277 | corrected. | |
278 | (merge 6ce7afe163 pw/rebase-skip-commit-message-fix later to maint). | |
279 | ||
f1ed9d7d JH |
280 | * Adjust to newer Term::ReadLine to prevent it from breaking |
281 | the interactive prompt code in send-email. | |
282 | (merge c016726c2d jk/send-email-with-new-readline later to maint). | |
283 | ||
284 | * Windows updates. | |
285 | (merge 0050f8e401 ds/maintenance-on-windows-fix later to maint). | |
286 | ||
287 | * Correct use of lstat() that assumed a failing call would not | |
288 | clobber the statbuf. | |
289 | (merge 72695d8214 st/mv-lstat-fix later to maint). | |
290 | ||
d7d8841f JH |
291 | * Other code cleanup, docfix, build fix, etc. |
292 | (merge 51f9d2e563 sa/doc-ls-remote later to maint). | |
293 | (merge c6d26a9dda jk/format-patch-message-id-unleak later to maint). | |
6640c2d0 JH |
294 | (merge f7e063f326 ps/fetch-cleanups later to maint). |
295 | (merge e4cf013468 tl/quote-problematic-arg-for-clarity later to maint). | |
296 | (merge 20025fdfc7 tz/test-ssh-verifytime-fix later to maint). | |
297 | (merge e48a21df65 tz/test-fix-pthreads-prereq later to maint). | |
298 | (merge 68b51172e3 mh/commit-reach-get-reachable-plug-leak later to maint). | |
299 | (merge aeee1408ce kh/use-default-notes-doc later to maint). | |
300 | (merge 3b8724bce6 jc/test-modernization later to maint). | |
301 | (merge 447a3b7331 jc/test-modernization-2 later to maint). | |
302 | (merge d57fa7fc73 la/doc-interpret-trailers later to maint). | |
0bfa463d JH |
303 | (merge 548afb0d9a la/docs-typofixes later to maint). |
304 | (merge 3744ffcbcd rs/doc-ls-tree-hex-literal later to maint). | |
6ff33418 JH |
305 | (merge 6c26da8404 mh/credential-erase-improvements later to maint). |
306 | (merge 78e56cff69 tz/lib-gpg-prereq-fix later to maint). | |
307 | (merge 80d32e84b5 rj/leakfixes later to maint). | |
061c5864 JH |
308 | (merge 0a868031ed pb/complete-diff-options later to maint). |
309 | (merge d4f28279ad jc/doc-hash-object-types later to maint). | |
aa9166bc JH |
310 | (merge 1876a5ae15 ks/t4205-test-describe-with-abbrev-fix later to maint). |
311 | (merge 6e6a529b57 jk/fsck-indices-in-worktrees later to maint). | |
5e238546 | 312 | (merge 3e81b896f7 rs/packet-length-simplify later to maint). |
cba07a32 | 313 | (merge 4c9cb51fe7 mh/doc-credential-helpers later to maint). |
b4fce4b6 JH |
314 | (merge 3437f549dd jr/gitignore-doc-example-markup later to maint). |
315 | (merge 947ebd62a0 jc/am-parseopt-fix later to maint). | |
316 | (merge e12cb98e1e jc/branch-parseopt-fix later to maint). | |
bfce02c2 JH |
317 | (merge d6f598e443 jc/gitignore-doc-pattern-markup later to maint). |
318 | (merge a2dad4868b jc/transport-parseopt-fix later to maint). | |
319 | (merge 68cbb20e73 jc/parse-options-show-branch later to maint). | |
320 | (merge 3821eb6c3d jc/parse-options-reset later to maint). | |
ee48e70a JH |
321 | (merge c48af99a3e bb/trace2-comment-fix later to maint). |
322 | (merge c95ae3ff9c rs/describe-parseopt-fix later to maint). | |
323 | (merge 36f76d2a25 rs/pack-objects-parseopt-fix later to maint). | |
1b0a5129 | 324 | (merge 30c8c55cbf jc/tree-walk-drop-base-offset later to maint). |
a82fb66f JH |
325 | (merge d089a06421 rs/bundle-parseopt-cleanup later to maint). |
326 | (merge 823839bda1 ew/sha256-gcrypt-leak-fixes later to maint). | |
fac96dfb | 327 | (merge a5c01603b3 bc/ignore-clangd-cache later to maint). |
f1ed9d7d JH |
328 | (merge 12009a182b js/allow-t4000-to-be-indented-with-spaces later to maint). |
329 | (merge b3dcd24b8a jc/send-email-pre-process-fix later to maint). |