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1 Git 2.28 Release Notes
2 ======================
3
4 Updates since v2.27
5 -------------------
6
7 Backward compatibility notes
8
9 * "feature.experimental" configuration variable is to let volunteers
10 easily opt into a set of newer features, which use of the v2
11 transport protocol is now a part of.
12
13
14 UI, Workflows & Features
15
16 * The commands in the "diff" family learned to honor "diff.relative"
17 configuration variable.
18
19 * The check in "git fsck" to ensure that the tree objects are sorted
20 still had corner cases it missed unsorted entries.
21
22
23 Performance, Internal Implementation, Development Support etc.
24
25 * Code optimization for a common case.
26 (merge 8777616e4d an/merge-single-strategy-optim later to maint).
27
28 * We've adopted a convention that any on-stack structure can be
29 initialized to have zero values in all fields with "= { 0 }",
30 even when the first field happens to be a pointer, but sparse
31 complained that a null pointer should be spelled NULL for a long
32 time. Start using -Wno-universal-initializer option to squelch
33 it (the latest sparse has it on by default).
34
35 * "git log -L..." now takes advantage of the "which paths are touched
36 by this commit?" info stored in the commit-graph system.
37
38 * As FreeBSD is not the only platform whose regexp library reports
39 a REG_ILLSEQ error when fed invalid UTF-8, add logic to detect that
40 automatically and skip the affected tests.
41
42 * "git bugreport" learns to report what shell is in use.
43
44 * Support for GIT_CURL_VERBOSE has been rewritten in terms of
45 GIT_TRACE_CURL.
46
47 * Preliminary clean-ups around refs API, plus file format
48 specification documentation for the reftable backend.
49
50 * Workaround breakage in MSVC build, where "curl-config --cflags"
51 gives settings appropriate for GCC build.
52
53
54 Fixes since v2.27
55 -----------------
56
57 * The "--prepare-p4-only" option of "git p4" is supposed to stop
58 after replaying one changeset, but kept going (by mistake?)
59
60 * The error message from "git checkout -b foo -t bar baz" was
61 confusing.
62
63 * Some repositories in the wild have commits that record nonsense
64 committer timezone (e.g. rails.git); "git fast-import" learned an
65 option to pass these nonsense timestamps intact to allow recreating
66 existing repositories as-is.
67 (merge d42a2fb72f en/fast-import-looser-date later to maint).
68
69 * The command line completion script (in contrib/) tried to complete
70 "git stash -p" as if it were "git stash push -p", but it was too
71 aggressive and also affected "git stash show -p", which has been
72 corrected.
73 (merge fffd0cf520 vs/complete-stash-show-p-fix later to maint).
74
75 * On-the-wire protocol v2 easily falls into a deadlock between the
76 remote-curl helper and the fetch-pack process when the server side
77 prematurely throws an error and disconnects. The communication has
78 been updated to make it more robust.
79
80 * "git checkout -p" did not handle a newly added path at all.
81 (merge 2c8bd8471a js/checkout-p-new-file later to maint).
82
83 * The code to parse "git bisect start" command line was lax in
84 validating the arguments.
85 (merge 4d9005ff5d cb/bisect-helper-parser-fix later to maint).
86
87 * Reduce memory usage during "diff --quiet" in a worktree with too
88 many stat-unmatched paths.
89 (merge d2d7fbe129 jk/diff-memuse-optim-with-stat-unmatch later to maint).
90
91 * The reflog entries for "git clone" and "git fetch" did not
92 anonymize the URL they operated on.
93 (merge 46da295a77 js/reflog-anonymize-for-clone-and-fetch later to maint).
94
95 * The behaviour of "sparse-checkout" in the state "git clone
96 --no-checkout" left was changed accidentally in 2.27, which has
97 been corrected.
98
99 * Use of negative pathspec, while collecting paths including
100 untracked ones in the working tree, was broken.
101
102 * Other code cleanup, docfix, build fix, etc.
103 (merge 2c31a7aa44 jx/pkt-line-doc-count-fix later to maint).
104 (merge d63ae31962 cb/t5608-cleanup later to maint).
105 (merge 788db145c7 dl/t-readme-spell-git-correctly later to maint).
106 (merge 45a87a83bb dl/python-2.7-is-the-floor-version later to maint).
107 (merge b75a219904 es/advertise-contribution-doc later to maint).