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20514004 JH |
1 | Git 2.28 Release Notes |
2 | ====================== | |
3 | ||
4 | Updates since v2.27 | |
5 | ------------------- | |
6 | ||
7 | Backward compatibility notes | |
8 | ||
bd42bbe1 JH |
9 | * "fetch.writeCommitGraph" is deemed to be still a bit too risky and |
10 | is no longer part of the "feature.experimental" set. | |
20514004 JH |
11 | |
12 | ||
13 | UI, Workflows & Features | |
14 | ||
15 | * The commands in the "diff" family learned to honor "diff.relative" | |
16 | configuration variable. | |
17 | ||
0313f36c JH |
18 | * The check in "git fsck" to ensure that the tree objects are sorted |
19 | still had corner cases it missed unsorted entries. | |
20514004 | 20 | |
c9c318d6 JH |
21 | * The interface to redact sensitive information in the trace output |
22 | has been simplified. | |
23 | ||
f402ea68 JH |
24 | * The command line completion (in contrib/) learned to complete |
25 | options that the "git switch" command takes. | |
26 | ||
27 | * "git diff" used to take arguments in random and nonsense range | |
28 | notation, e.g. "git diff A..B C", "git diff A..B C...D", etc., | |
29 | which has been cleaned up. | |
30 | ||
a08a83db JH |
31 | * "git diff-files" has been taught to say paths that are marked as |
32 | intent-to-add are new files, not modified from an empty blob. | |
33 | ||
4a0fcf9f JH |
34 | * "git status" learned to report the status of sparse checkout. |
35 | ||
36 | * "git difftool" has trouble dealing with paths added to the index | |
37 | with the intent-to-add bit. | |
38 | ||
39 | * "git fast-export --anonymize" learned to take customized mapping to | |
40 | allow its users to tweak its output more usable for debugging. | |
41 | ||
bd42bbe1 JH |
42 | * The command line completion support (in contrib/) used to be |
43 | prepared to work with "set -u" but recent changes got a bit more | |
44 | sloppy. This has been corrected. | |
45 | ||
b0668073 JH |
46 | * "git gui" now allows opening work trees from the start-up dialog. |
47 | ||
20514004 JH |
48 | |
49 | Performance, Internal Implementation, Development Support etc. | |
50 | ||
51 | * Code optimization for a common case. | |
52 | (merge 8777616e4d an/merge-single-strategy-optim later to maint). | |
53 | ||
54 | * We've adopted a convention that any on-stack structure can be | |
55 | initialized to have zero values in all fields with "= { 0 }", | |
56 | even when the first field happens to be a pointer, but sparse | |
57 | complained that a null pointer should be spelled NULL for a long | |
58 | time. Start using -Wno-universal-initializer option to squelch | |
59 | it (the latest sparse has it on by default). | |
60 | ||
0313f36c JH |
61 | * "git log -L..." now takes advantage of the "which paths are touched |
62 | by this commit?" info stored in the commit-graph system. | |
63 | ||
64 | * As FreeBSD is not the only platform whose regexp library reports | |
65 | a REG_ILLSEQ error when fed invalid UTF-8, add logic to detect that | |
66 | automatically and skip the affected tests. | |
67 | ||
68 | * "git bugreport" learns to report what shell is in use. | |
69 | ||
70 | * Support for GIT_CURL_VERBOSE has been rewritten in terms of | |
71 | GIT_TRACE_CURL. | |
20514004 | 72 | |
101b3204 JH |
73 | * Preliminary clean-ups around refs API, plus file format |
74 | specification documentation for the reftable backend. | |
75 | ||
76 | * Workaround breakage in MSVC build, where "curl-config --cflags" | |
77 | gives settings appropriate for GCC build. | |
78 | ||
f402ea68 JH |
79 | * Code clean-up of "git clean" resulted in a fix of recent |
80 | performance regression. | |
81 | ||
82 | * Code clean-up in the codepath that serves "git fetch" continues. | |
83 | ||
84 | * "git merge-base --is-ancestor" is taught to take advantage of the | |
85 | commit graph. | |
86 | ||
87 | * Rewrite of parts of the scripted "git submodule" Porcelain command | |
88 | continues; this time it is "git submodule set-branch" subcommand's | |
89 | turn. | |
90 | ||
91 | * The "fetch/clone" protocol has been updated to allow the server to | |
92 | instruct the clients to grab pre-packaged packfile(s) in addition | |
93 | to the packed object data coming over the wire. | |
94 | ||
a08a83db JH |
95 | * A misdesigned strbuf_write_fd() function has been retired. |
96 | ||
4a0fcf9f JH |
97 | * SHA-256 migration work continues, including CVS/SVN interface. |
98 | ||
99 | * A few fields in "struct commit" that do not have to always be | |
100 | present have been moved to commit slabs. | |
101 | ||
102 | * API cleanup for get_worktrees() | |
103 | ||
104 | * By renumbering object flag bits, "struct object" managed to lose | |
105 | bloated inter-field padding. | |
106 | ||
107 | * The name of the primary branch in existing repositories, and the | |
108 | default name used for the first branch in newly created | |
109 | repositories, is made configurable, so that we can eventually wean | |
110 | ourselves off of the hardcoded 'master'. | |
111 | ||
112 | * The effort to avoid using test_must_fail on non-git command continues. | |
a08a83db | 113 | |
3ddac3d6 JH |
114 | * In 2.28-rc0, we corrected a bug that some repository extensions are |
115 | honored by mistake even in a version 0 repositories (these | |
116 | configuration variables in extensions.* namespace were supposed to | |
117 | have special meaning in repositories whose version numbers are 1 or | |
118 | higher), but this was a bit too big a change. The behaviour in | |
3d20111c | 119 | recent versions of Git where certain extensions.* were honored by |
3ddac3d6 JH |
120 | mistake even in version 0 repositories has been restored. |
121 | ||
20514004 JH |
122 | |
123 | Fixes since v2.27 | |
124 | ----------------- | |
125 | ||
126 | * The "--prepare-p4-only" option of "git p4" is supposed to stop | |
127 | after replaying one changeset, but kept going (by mistake?) | |
128 | ||
129 | * The error message from "git checkout -b foo -t bar baz" was | |
130 | confusing. | |
131 | ||
132 | * Some repositories in the wild have commits that record nonsense | |
133 | committer timezone (e.g. rails.git); "git fast-import" learned an | |
134 | option to pass these nonsense timestamps intact to allow recreating | |
135 | existing repositories as-is. | |
136 | (merge d42a2fb72f en/fast-import-looser-date later to maint). | |
137 | ||
0313f36c JH |
138 | * The command line completion script (in contrib/) tried to complete |
139 | "git stash -p" as if it were "git stash push -p", but it was too | |
140 | aggressive and also affected "git stash show -p", which has been | |
141 | corrected. | |
142 | (merge fffd0cf520 vs/complete-stash-show-p-fix later to maint). | |
143 | ||
144 | * On-the-wire protocol v2 easily falls into a deadlock between the | |
145 | remote-curl helper and the fetch-pack process when the server side | |
146 | prematurely throws an error and disconnects. The communication has | |
147 | been updated to make it more robust. | |
148 | ||
149 | * "git checkout -p" did not handle a newly added path at all. | |
150 | (merge 2c8bd8471a js/checkout-p-new-file later to maint). | |
151 | ||
152 | * The code to parse "git bisect start" command line was lax in | |
153 | validating the arguments. | |
154 | (merge 4d9005ff5d cb/bisect-helper-parser-fix later to maint). | |
155 | ||
101b3204 JH |
156 | * Reduce memory usage during "diff --quiet" in a worktree with too |
157 | many stat-unmatched paths. | |
158 | (merge d2d7fbe129 jk/diff-memuse-optim-with-stat-unmatch later to maint). | |
159 | ||
160 | * The reflog entries for "git clone" and "git fetch" did not | |
161 | anonymize the URL they operated on. | |
162 | (merge 46da295a77 js/reflog-anonymize-for-clone-and-fetch later to maint). | |
163 | ||
164 | * The behaviour of "sparse-checkout" in the state "git clone | |
165 | --no-checkout" left was changed accidentally in 2.27, which has | |
166 | been corrected. | |
167 | ||
168 | * Use of negative pathspec, while collecting paths including | |
169 | untracked ones in the working tree, was broken. | |
170 | ||
c9c318d6 JH |
171 | * The same worktree directory must be registered only once, but |
172 | "git worktree move" allowed this invariant to be violated, which | |
173 | has been corrected. | |
174 | (merge 810382ed37 es/worktree-duplicate-paths later to maint). | |
175 | ||
176 | * The effect of sparse checkout settings on submodules is documented. | |
177 | (merge e7d7c73249 en/sparse-with-submodule-doc later to maint). | |
178 | ||
f402ea68 JH |
179 | * Code clean-up around "git branch" with a minor bugfix. |
180 | (merge dc44639904 dl/branch-cleanup later to maint). | |
181 | ||
182 | * A branch name used in a test has been clarified to match what is | |
183 | going on. | |
184 | (merge 08dc26061f pb/t4014-unslave later to maint). | |
185 | ||
a08a83db JH |
186 | * An in-code comment in "git diff" has been updated. |
187 | (merge c592fd4c83 dl/diff-usage-comment-update later to maint). | |
188 | ||
4a0fcf9f JH |
189 | * The documentation and some tests have been adjusted for the recent |
190 | renaming of "pu" branch to "seen". | |
191 | (merge 6dca5dbf93 js/pu-to-seen later to maint). | |
192 | ||
193 | * The code to push changes over "dumb" HTTP had a bad interaction | |
194 | with the commit reachability code due to incorrect allocation of | |
195 | object flag bits, which has been corrected. | |
196 | (merge 64472d15e9 bc/http-push-flagsfix later to maint). | |
197 | ||
bd42bbe1 JH |
198 | * "git send-email --in-reply-to=<msg>" did not use the In-Reply-To: |
199 | header with the value given from the command line, and let it be | |
200 | overridden by the value on In-Reply-To: header in the messages | |
201 | being sent out (if exists). | |
202 | (merge f9f60d7066 ra/send-email-in-reply-to-from-command-line-wins later to maint). | |
203 | ||
204 | * "git log -Lx,y:path --before=date" lost track of where the range | |
205 | should be because it didn't take the changes made by the youngest | |
206 | commits that are omitted from the output into account. | |
207 | ||
208 | * When "fetch.writeCommitGraph" configuration is set in a shallow | |
209 | repository and a fetch moves the shallow boundary, we wrote out | |
210 | broken commit-graph files that do not match the reality, which has | |
211 | been corrected. | |
212 | ||
213 | * "git checkout" failed to catch an error from fstat() after updating | |
214 | a path in the working tree. | |
215 | (merge 35e6e212fd mt/entry-fstat-fallback-fix later to maint). | |
216 | ||
b6a658bd JH |
217 | * When an aliased command, whose output is piped to a pager by git, |
218 | gets killed by a signal, the pager got into a funny state, which | |
219 | has been corrected (again). | |
220 | (merge c0d73a59c9 ta/wait-on-aliased-commands-upon-signal later to maint). | |
221 | ||
222 | * The code to produce progress output from "git commit-graph --write" | |
223 | had a few breakages, which have been fixed. | |
224 | ||
20514004 JH |
225 | * Other code cleanup, docfix, build fix, etc. |
226 | (merge 2c31a7aa44 jx/pkt-line-doc-count-fix later to maint). | |
227 | (merge d63ae31962 cb/t5608-cleanup later to maint). | |
101b3204 JH |
228 | (merge 788db145c7 dl/t-readme-spell-git-correctly later to maint). |
229 | (merge 45a87a83bb dl/python-2.7-is-the-floor-version later to maint). | |
230 | (merge b75a219904 es/advertise-contribution-doc later to maint). | |
a08a83db JH |
231 | (merge 0c9a4f638a rs/pull-leakfix later to maint). |
232 | (merge d546fe2874 rs/commit-reach-leakfix later to maint). | |
4a0fcf9f JH |
233 | (merge 087bf5409c mk/pb-pretty-email-without-domain-part-fix later to maint). |
234 | (merge 5f4ee57ad9 es/worktree-code-cleanup later to maint). | |
bd42bbe1 JH |
235 | (merge 0172f7834a cc/cat-file-usage-update later to maint). |
236 | (merge 81de0c01cf ma/rebase-doc-typofix later to maint). |