The sixth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano committed
Feb 5, 2021 at 16:40 UTC
4527ecdc8d0c5117137925afadf877125c873d3e
1 file changed
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Documentation/RelNotes/2.31.0.txt
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@@ -48,6 +48,13 @@ UI, Workflows & Features
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standard input. Also, it now does not lose refs whey they point
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at the same object.
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+ * "git log" learned a new "--diff-merges=<how>" option.
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+
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+ * "git ls-files" can and does show multiple entries when the index is
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+ unmerged, which is a source for confusion unless -s/-u option is in
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+ use. A new option --deduplicate has been introduced.
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+
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+
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Performance, Internal Implementation, Development Support etc.
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* A 3-year old test that was not testing anything useful has been
@@ -80,6 +87,38 @@ Performance, Internal Implementation, Development Support etc.
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* The .use_shell flag in struct child_process that is passed to
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run_command() API has been clarified with a bit more documentation.
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+ * Document, clean-up and optimize the code around the cache-tree
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+ extension in the index.
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+
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+ * The ls-refs protocol operation has been optimized to narrow the
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+ sub-hierarchy of refs/ it walks to produce response.
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+
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+ * When removing many branches and tags, the code used to do so one
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+ ref at a time. There is another API it can use to delete multiple
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+ refs, and it makes quite a lot of performance difference when the
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+ refs are packed.
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+
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+ * The "pack-objects" command needs to iterate over all the tags when
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+ automatic tag following is enabled, but it actually iterated over
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+ all refs and then discarded everything outside "refs/tags/"
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+ hierarchy, which was quite wasteful.
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+
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+ * A perf script was made more portable.
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+ (merge f08b6c553d jk/p5303-sed-portability-fix later to maint).
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+
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+ * Our setting of GitHub CI test jobs were a bit too eager to give up
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+ once there is even one failure found. Tweak the knob to allow
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+ other jobs keep running even when we see a failure, so that we can
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+ find more failures in a single run.
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+ (merge 2b0e14f640 pb/ci-matrix-wo-shortcut later to maint).
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+
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+ * We've carried compatibility codepaths for compilers without
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+ variadic macros for quite some time, but the world may be ready for
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+ them to be removed. Force compilation failure on exotic platforms
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+ where variadic macros are not available to find out who screams in
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+ such a way that we can easily revert if it turns out that the world
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+ is not yet ready.
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+
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Fixes since v2.30
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-----------------
@@ -159,3 +198,4 @@ Fixes since v2.30
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(merge a4a1ca22ef tb/local-clone-race-doc later to maint).
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(merge 6a8c89d053 ma/more-opaque-lock-file later to maint).
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(merge 4a5ec7d166 js/skip-dashed-built-ins-from-config-mak later to maint).
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+ (merge 6eaf624dea pb/blame-funcname-range-userdiff later to maint).