Eighth batch for 2.17

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano committed Mar 8, 2018 at 12:42 UTC d0db9edba0050ada6f6eac68061599690d2a4333
1 file changed +40 -5
Documentation/RelNotes/2.17.0.txt
+40 -5
@@ -54,13 +54,19 @@ UI, Workflows & Features
54 refs/tags/ hierarchy, and allow fast-forwarding otherwise, to
55 mitigate the problem.
56
57 + * "git status" can spend a lot of cycles to compute the relation
58 + between the current branch and its upstream, which can now be
59 + disabled with "--no-ahead-behind" option.
60 +
61 + * "git diff" and friends learned funcname patterns for Go language
62 + source files.
63 +
64
65 Performance, Internal Implementation, Development Support etc.
66
67 * More perf tests for threaded grep
68
69 * "perf" test output can be sent to codespeed server.
63 - (merge 19cf57a92e cc/codespeed later to maint).
70
71 * The build procedure for perl/ part has been greatly simplified by
72 weaning ourselves off of MakeMaker.
@@ -87,13 +93,10 @@ Performance, Internal Implementation, Development Support etc.
93
94 * The tracing machinery learned to report tweaking of environment
95 variables as well.
90 - (merge 090a09272a nd/trace-with-env later to maint).
96
97 * Update Coccinelle rules to catch and optimize strbuf_addf(&buf, "%s", str)
93 - (merge cd9a4b6d93 rs/strbuf-cocci-workaround later to maint).
98
99 * Prevent "clang-format" from breaking line after function return type.
96 - (merge a3715d43e8 po/clang-format-functype-weight later to maint).
100
101 * The sequencer infrastructure is shared across "git cherry-pick",
102 "git rebase -i", etc., and has always spawned "git commit" when it
@@ -107,7 +110,6 @@ Performance, Internal Implementation, Development Support etc.
110
111 * Avoid mmapping small files while using packed refs (especially ones
112 with zero size, which would cause later munmap() to fail).
110 - (merge ba41a8b600 kg/packed-ref-cache-fix later to maint).
113
114 * Conversion from uchar[20] to struct object_id continues.
115
@@ -122,6 +124,16 @@ Performance, Internal Implementation, Development Support etc.
124 like this help use of code analysis tools that targets C++ on our
125 codebase.
126
127 + * The executable is now built in 'script' phase in Travis CI integration,
128 + to follow the established practice, rather than during 'before_script'
129 + phase. This allows the CI categorize the failures better ('failed'
130 + is project's fault, 'errored' is build environment's).
131 + (merge 3c93b82920 sg/travis-build-during-script-phase later to maint).
132 +
133 + * Writing out the index file when the only thing that changed in it
134 + is the untracked cache information is often wasteful, and this has
135 + been optimized out.
136 +
137
138 Also contains various documentation updates and code clean-ups.
139
@@ -271,6 +283,26 @@ Fixes since v2.16
283 * Y2k20 fix ;-) for our perl scripts.
284 (merge a40e06ee33 bw/perl-timegm-timelocal-fix later to maint).
285
286 + * Threaded "git grep" has been optimized to avoid allocation in code
287 + section that is covered under a mutex.
288 + (merge 38ef24dccf rv/grep-cleanup later to maint).
289 +
290 + * "git subtree" script (in contrib/) scripted around "git log", whose
291 + output got affected by end-user configuration like log.showsignature
292 + (merge 8841b5222c sg/subtree-signed-commits later to maint).
293 +
294 + * While finding unique object name abbreviation, the code may
295 + accidentally have read beyond the end of the array of object names
296 + in a pack.
297 + (merge 21abed500c ds/find-unique-abbrev-optim later to maint).
298 +
299 + * Micro optimization in revision traversal code.
300 + (merge ebbed3ba04 ds/mark-parents-uninteresting-optim later to maint).
301 +
302 + * "git commit" used to run "gc --auto" near the end, which was lost
303 + when the command was reimplemented in C by mistake.
304 + (merge 095c741edd ab/gc-auto-in-commit later to maint).
305 +
306 * Other minor doc, test and build updates and code cleanups.
307 (merge e2a5a028c7 bw/oidmap-autoinit later to maint).
308 (merge ec3b4b06f8 cl/t9001-cleanup later to maint).
@@ -305,3 +337,6 @@ Fixes since v2.16
337 (merge 1316416903 ms/non-ascii-ticks later to maint).
338 (merge 878056005e rs/strbuf-read-file-or-whine later to maint).
339 (merge 79f0ba1547 jk/strbuf-read-file-close-error later to maint).
340 + (merge edfb8ba068 ot/ref-filter-cleanup later to maint).
341 + (merge 11395a3b4b jc/test-must-be-empty later to maint).
342 + (merge 768b9d6db7 mk/doc-pretty-fill later to maint).