What's cooking in git.git (Aug 2020, #05; Fri, 21)
To
git@vger.kernel.org
From
Junio C Hamano
Date
2020-08-21 21:40:31 UTC
Here are the topics that have been cooking.  Commits prefixed with '-' are
only in 'seen' (formerly 'pu'---proposed updates) while commits prefixed
with '+' are in 'next'.  The ones marked with '.' do not appear in any of
the integration branches, but I am still holding onto them.

You can find the changes described here in the integration branches of the
repositories listed at

    http://git-blame.blogspot.com/p/git-public-repositories.html

--------------------------------------------------
[Graduated to 'master']

* ak/sequencer-fix-find-uniq-abbrev (2020-08-13) 1 commit
  (merged to 'next' on 2020-08-17 at 6ce0f1d111)
 + rebase -i: fix possibly wrong onto hash in todo

 Ring buffer with size 4 used for bin-hex translation resulted in a
 wrong object name in the sequencer's todo output, which has been
 corrected.


* bc/sha-256-doc-updates (2020-08-13) 2 commits
  (merged to 'next' on 2020-08-17 at 7154a0ce3c)
 + docs: fix step in transition plan
 + docs: document SHA-256 pack and indices

 Further update of docs to adjust to the recent SHA-256 work.


* ds/sha256-leftover-bits (2020-08-17) 3 commits
  (merged to 'next' on 2020-08-17 at a8e6f9f3f4)
 + multi-pack-index: use hash version byte
 + commit-graph: use the "hash version" byte
 + t/README: document GIT_TEST_DEFAULT_HASH

 midx and commit-graph files now use the byte defined in their file
 format specification for identifying the hash function used for
 object names.


* en/merge-tests (2020-08-10) 11 commits
  (merged to 'next' on 2020-08-13 at eab952350b)
 + t6425: be more flexible with rename/delete conflict messages
 + t642[23]: be more flexible for add/add conflicts involving pair renames
 + t6422, t6426: be more flexible for add/add conflicts involving renames
 + t6423: add an explanation about why one of the tests does not pass
 + t6416, t6423: clarify some comments and fix some typos
 + t6422: fix multiple errors with the mod6 test expectations
 + t6423: fix test setup for a couple tests
 + t6416, t6422: fix incorrect untracked file count
 + t6422: fix bad check against missing file
 + t6418: tighten delete/normalize conflict testcase
 + Collect merge-related tests to t64xx

 Updates to "git merge" tests, in preparation for a new merge
 strategy backend.


* en/sequencer-merge-labels (2020-08-14) 1 commit
  (merged to 'next' on 2020-08-17 at 2010e329ed)
 + sequencer: avoid garbled merge machinery messages due to commit labels

 The commit labels used to explain each side of conflicted hunks
 placed by the sequencer machinery have been made more readable by
 humans.


* jb/commit-graph-doc-fix (2020-08-13) 1 commit
  (merged to 'next' on 2020-08-17 at d83ee98955)
 + docs: commit-graph: fix some whitespace in the diagram

 Docfix.


* jc/object-names-are-not-sha-1 (2020-08-14) 1 commit
  (merged to 'next' on 2020-08-17 at 400fe9e831)
 + messages: avoid SHA-1 in end-user facing messages

 A few end-user facing messages have been updated to be
 hash-algorithm agnostic.


* jh/mingw-unlink (2020-08-17) 1 commit
  (merged to 'next' on 2020-08-17 at fb53a3d1a1)
 + mingw: improve performance of mingw_unlink()

 "unlink" emulation on MinGW has been optimized.


* jk/blame-coalesce-fix (2020-08-13) 3 commits
  (merged to 'next' on 2020-08-17 at 122c701ec7)
 + blame: only coalesce lines that are adjacent in result
 + t8003: factor setup out of coalesce test
 + t8003: check output of coalesced blame

 When given more than one target line ranges, "git blame -La,b
 -Lc,d" was over-eager to coalesce groups of original lines and
 showed incorrect results, which has been corrected.


* ma/sha-256-docs (2020-08-17) 4 commits
  (merged to 'next' on 2020-08-17 at 6861142a20)
 + shallow.txt: document SHA-256 shallow format
 + protocol-capabilities.txt: clarify "allow-x-sha1-in-want" re SHA-256
 + index-format.txt: document SHA-256 index format
 + http-protocol.txt: document SHA-256 "want"/"have" format

 Further update of docs to adjust to the recent SHA-256 work.


* pb/set-url-docfix (2020-08-13) 1 commit
  (merged to 'next' on 2020-08-17 at 19b56c6ebb)
 + fetch, pull doc: correct description of '--set-upstream'

 Doc fix.


* pb/userdiff-fortran-update (2020-08-13) 2 commits
  (merged to 'next' on 2020-08-17 at 534af3f35a)
 + userdiff: improve Fortran xfuncname regex
 + userdiff: add tests for Fortran xfuncname regex

 The regexp to identify the function boundary for FORTRAN programs
 has been updated.


* rp/ita-diff-modefix (2020-08-09) 1 commit
  (merged to 'next' on 2020-08-17 at c03a9cfb6e)
 + diff-lib: use worktree mode in diffs from i-t-a entries

 "git diff [<tree-ish>] $path" for a $path that is marked with i-t-a
 bit was not showing the mode bits from the working tree.


* rs/preserve-merges-unused-code-removal (2020-08-12) 1 commit
  (merged to 'next' on 2020-08-17 at b96393455c)
 + rebase: remove unused function reschedule_last_action

 Code clean-up.


* rs/upload-pack-sigchain-fix (2020-08-11) 1 commit
  (merged to 'next' on 2020-08-17 at 997473f309)
 + upload-pack: remove superfluous sigchain_pop() call

 Code clean-up.

--------------------------------------------------
[New Topics]

* en/dir-clear (2020-08-18) 2 commits
  (merged to 'next' on 2020-08-19 at 18c5b69293)
 + dir: fix problematic API to avoid memory leaks
 + dir: make clear_directory() free all relevant memory

 Leakfix with code clean-up.

 Will merge to 'master'.


* hn/refs-pseudorefs (2020-08-21) 4 commits
 - sequencer: treat REVERT_HEAD as a pseudo ref
 - builtin/commit: suggest update-ref for pseudoref removal
 - sequencer: treat CHERRY_PICK_HEAD as a pseudo ref
 - refs: make refs_ref_exists public
 (this branch uses hn/refs-fetch-head-is-special.)

 Accesses to two pseudorefs have been updated to properly use ref
 API.

 Will merge to 'next'.


* rs/patch-id-with-incomplete-line (2020-08-18) 1 commit
  (merged to 'next' on 2020-08-19 at 72961d48d0)
 + patch-id: ignore newline at end of file in diff_flush_patch_id()

 The patch-id computation did not ignore the "incomplete last line"
 marker like whitespaces.

 Will merge to 'master'.


* rz/complete-more-options (2020-08-19) 2 commits
  (merged to 'next' on 2020-08-21 at ba8f4c8cb1)
 + completion: add GIT_COMPLETION_SHOW_ALL env var
 + parse-options: add --git-completion-helper-all

 Command line completion (in contrib/) usually omits redundant,
 deprecated and/or dangerous options from its output; it learned to
 optionally include all of them.

 Will merge to 'master'.


* jt/promisor-pack-fix (2020-08-20) 1 commit
 - fetch-pack: in partial clone, pass --promisor

 Updates into a lazy/partial clone with a submodule did not work
 well with transfer.fsckobjects set.


* hv/ref-filter-trailers-atom-parsing-fix (2020-08-21) 2 commits
 - ref-filter: 'contents:trailers' show error if `:` is missing
 - t6300: unify %(trailers) and %(contents:trailers) tests

 The parser for "git for-each-ref --format=..." was too loose when
 parsing the "%(trailers...)" atom, and forgot that "trailers" and
 "trailers:<modifers>" are the only two allowed forms, which has
 been corrected.

 Will merge to 'next'.


* jc/ident-whose-ident (2020-08-21) 1 commit
 - ident: say whose identity is missing when giving user.name hint

 Error message update.


* jk/index-pack-w-more-threads (2020-08-21) 3 commits
 - index-pack: adjust default threading cap
 - p5302: count up to online-cpus for thread tests
 - p5302: disable thread-count parameter tests by default

 Long ago, we decided to use 3 threads by default when running the
 index-pack task in parallel, which has been adjusted a bit upwards.

 Will merge to 'next'.


* rp/apply-cached-doc (2020-08-20) 1 commit
 - git-apply.txt: update descriptions of --cached, --index

 The description of --cached/--index options in "git apply --help"
 has been updated.

--------------------------------------------------
[Stalled]

* mt/grep-sparse-checkout (2020-06-12) 6 commits
 - config: add setting to ignore sparsity patterns in some cmds
 - grep: honor sparse checkout patterns
 - config: correctly read worktree configs in submodules
 - t/helper/test-config: facilitate addition of new cli options
 - t/helper/test-config: return exit codes consistently
 - doc: grep: unify info on configuration variables

 "git grep" has been tweaked to be limited to the sparse checkout
 paths.

 Review needed on 4/6; otherwise looking sane.
 cf. <CABPp-BGdEyEeajYZj_rdxp=MyEQdszuyjVTax=hhYj3fOtRQUQ@mail.gmail.com>


* ls/mergetool-meld-auto-merge (2020-07-12) 2 commits
 - SQUASH???
 - Support auto-merge for meld to follow the vim-diff behavior

 The 'meld' backend of the "git mergetool" learned to give the
 underlying 'meld' the '--auto-merge' option, which would help
 reduce the amount of text that requires manual merging.

 Expecting a reroll.


* mf/submodule-summary-with-correct-repository (2020-06-24) 2 commits
 - submodule: use submodule repository when preparing summary
 - revision: use repository from rev_info when parsing commits

 "git diff/show" on a change that involves a submodule used to read
 the information on commits in the submodule from a wrong repository
 and gave a wrong information when the commit-graph is involved.

 Needs tests.


* dr/push-remoteref-fix (2020-04-23) 1 commit
 - remote.c: fix handling of %(push:remoteref)

 The "%(push:remoteref)" placeholder in the "--format=" argument of
 "git format-patch" (and friends) only showed what got explicitly
 configured, not what ref at the receiving end would be updated when
 "git push" was used, as it ignored the default behaviour (e.g. update
 the same ref as the source).

 Expecting a reroll.
 cf. <20200416152145.wp2zeibxmuyas6y6@feanor>


* mr/bisect-in-c-2 (2020-07-17) 14 commits
 . SQUASH??? do not add new users of git_path_bisect_head()
 . bisect--helper: retire `--bisect-autostart` subcommand
 . bisect--helper: retire `--write-terms` subcommand
 . bisect--helper: retire `--check-expected-revs` subcommand
 . bisect--helper: reimplement `bisect_state` & `bisect_head` shell functions in C
 . bisect--helper: retire `--next-all` subcommand
 . bisect--helper: retire `--bisect-clean-state` subcommand
 . bisect--helper: finish porting `bisect_start()` to C
 . bisect--helper: reimplement `bisect_next` and `bisect_auto_next` shell functions in C
 . bisect: call 'clear_commit_marks_all()' in 'bisect_next_all()'
 . bisect--helper: reimplement `bisect_autostart` shell function in C
 . bisect--helper: introduce new `write_in_file()` function
 . bisect--helper: use '-res' in 'cmd_bisect__helper' return
 . bisect--helper: BUG() in cmd_*() on invalid subcommand

 Rewrite of the remainder of "git bisect" script in C continues.

 Needs more work.
 Ejected out of 'seen'; al/bisect-first-parent topic has a bit of
 textual conflict with this topic.


* mk/use-size-t-in-zlib (2018-10-15) 1 commit
 - zlib.c: use size_t for size

 The wrapper to call into zlib followed our long tradition to use
 "unsigned long" for sizes of regions in memory, which have been
 updated to use "size_t".

--------------------------------------------------
[Cooking]

* dd/diff-customize-index-line-abbrev (2020-08-21) 2 commits
 - diff: index-line: respect --abbrev in object's name
 - t4013: improve diff-post-processor logic

 The output from the "diff" family of the commands had abbreviated
 object names of blobs involved in the patch, but its length was not
 affected by the --abbrev option.  Now it is.

 Will merge to 'next'.


* hn/refs-fetch-head-is-special (2020-08-19) 4 commits
  (merged to 'next' on 2020-08-21 at def233ab43)
 + refs: read FETCH_HEAD and MERGE_HEAD generically
 + refs: move gitdir into base ref_store
 + refs: fix comment about submodule ref_stores
 + refs: split off reading loose ref data in separate function
 (this branch is used by hn/refs-pseudorefs.)

 The FETCH_HEAD is now always read from the filesystem regardless of
 the ref backend in use, as its format is much richer than the
 normal refs, and written directly by "git fetch" as a plain file..

 Will merge to 'master'.


* hv/ref-filter-misc (2020-08-17) 9 commits
 - ref-filter: add `sanitize` option for 'subject' atom
 - format-support: move `format_sanitized_subject()` from pretty
 - pretty: refactor `format_sanitized_subject()`
 - ref-filter: add `short` modifier to 'parent' atom
 - ref-filter: add `short` modifier to 'tree' atom
 - ref-filter: rename `objectname` related functions and fields
 - ref-filter: modify error messages in `grab_objectname()`
 - ref-filter: refactor `grab_objectname()`
 - ref-filter: support different email formats

 The "--format=" option to the "for-each-ref" command and friends
 learned a few more tricks, e.g. the ":short" suffix that applies to
 "objectname" now also can be used for "parent", "tree", etc.


* jk/leakfix (2020-08-17) 7 commits
  (merged to 'next' on 2020-08-21 at a8b25a2657)
 + submodule--helper: fix leak of core.worktree value
 + config: fix leak in git_config_get_expiry_in_days()
 + config: drop git_config_get_string_const()
 + config: fix leaks from git_config_get_string_const()
 + checkout: fix leak of non-existent branch names
 + submodule--helper: use strbuf_release() to free strbufs
 + clear_pattern_list(): clear embedded hashmaps

 Code clean-up.

 Will merge to 'master'.


* jk/refspecs-negative (2020-08-17) 3 commits
 - refspec: add support for negative refspecs
 - refspec: make sure stack refspec_item variables are zeroed
 - refspec: fix documentation referring to refspec_item

 "negative refspecs"


* jt/fetch-pack-loosen-validation-with-packfile-uri (2020-08-14) 1 commit
 - fetch-pack: make packfile URIs work with transfer.fsckobjects

 Bugfix for "git fetch" when the packfile URI capability is in use.

 Need to pick up a reroll.


* mr/diff-hide-stat-wo-textual-change (2020-08-19) 1 commit
 - diff: teach --stat to ignore uninteresting modifications

 Looking good.


* pw/add-p-allowed-options-fix (2020-08-17) 2 commits
 - add -p: fix checking of user input
 - add -p: use ALLOC_GROW_BY instead of ALLOW_GROW

 "git add -p" update.

 Doubts?
 cf. <pull.702.git.1597670589.gitgitgadget@gmail.com>
 cf. <744e464f-6378-ef68-01c1-3b8bf63c54a4@gmail.com>


* dl/subtree-docs (2020-08-18) 2 commits
  (merged to 'next' on 2020-08-19 at e1a8ea9d46)
 + contrib/subtree: document 'push' does not take '--squash'
 + contrib/subtree: fix "unsure" for --message in the document

 Doc updates for subtree (in contrib/)

 Will merge to 'master'.


* en/mem-pool (2020-08-18) 3 commits
  (merged to 'next' on 2020-08-19 at eff9ad46f0)
 + mem-pool: use consistent pool variable name
 + mem-pool: use more standard initialization and finalization
 + mem-pool: add convenience functions for strdup and strndup

 API update.

 Will merge to 'master'.


* jc/no-update-fetch-head (2020-08-18) 1 commit
  (merged to 'next' on 2020-08-19 at 68e1374ed6)
 + fetch: optionally allow disabling FETCH_HEAD update
 (this branch is used by ds/maintenance-part-1, ds/maintenance-part-2 and jt/lazy-fetch.)

 "git fetch" learned --no-write-fetch-head option to avoid writing
 the FETCH_HEAD file.

 Will merge to 'master'.


* jt/lazy-fetch (2020-08-18) 7 commits
 - fetch-pack: remove no_dependents code
 - promisor-remote: lazy-fetch objects in subprocess
 - fetch-pack: do not lazy-fetch during ref iteration
 - fetch: only populate existing_refs if needed
 - fetch: avoid reading submodule config until needed
 - fetch: allow refspecs specified through stdin
 - negotiator/noop: add noop fetch negotiator
 (this branch uses jc/no-update-fetch-head; is tangled with ds/maintenance-part-1 and ds/maintenance-part-2.)

 Updates to on-demand fetching code in lazily cloned repositories.


* mt/checkout-entry-dead-code-removal (2020-08-18) 1 commit
  (merged to 'next' on 2020-08-19 at 58866e5299)
 + checkout_entry(): remove unreachable error() call

 Code clean-up.

 Will merge to 'master'.


* jx/proc-receive-hook (2020-08-17) 10 commits
 - doc: add documentation for the proc-receive hook
 - transport: parse report options for tracking refs
 - t5411: test updates of remote-tracking branches
 - receive-pack: new config receive.procReceiveRefs
 - receive-pack: feed report options to post-receive
 - doc: add document for capability report-status-v2
 - New capability "report-status-v2" for git-push
 - receive-pack: add new proc-receive hook
 - t5411: add basic test cases for proc-receive hook
 - transport: not report a non-head push as a branch

 "git receive-pack" that accepts requests by "git push" learned to
 outsource most of the ref updates to the new "proc-receive" hook.

 Needs review.


* pw/rebase-i-more-options (2020-08-19) 5 commits
  (merged to 'next' on 2020-08-21 at ade71fd49b)
 + rebase: add --reset-author-date
 + rebase -i: support --ignore-date
 + rebase -i: support --committer-date-is-author-date
 + am: stop exporting GIT_COMMITTER_DATE
 + rebase -i: add --ignore-whitespace flag

 "git rebase -i" learns a bit more options.

 Will merge to 'master'.


* rs/more-buffered-io (2020-08-17) 3 commits
  (merged to 'next' on 2020-08-19 at 6d23a23bb2)
 + upload-pack: use buffered I/O to talk to rev-list
 + midx: use buffered I/O to talk to pack-objects
 + connected: use buffered I/O to talk to rev-list

 Use more buffered I/O where we used to call many small write(2)s.

 Will merge to 'master'.


* ds/midx-repack-to-batch-size (2020-08-11) 1 commit
  (merged to 'next' on 2020-08-17 at eee94634aa)
 + multi-pack-index: repack batches below --batch-size

 The "--batch-size" option of "git multi-pack-index repack" command
 is now used to specify that very small packfiles are collected into
 one until the total size roughly exceeds it.

 Will merge to 'master'.


* tb/bloom-improvements (2020-08-11) 14 commits
 - builtin/commit-graph.c: introduce '--max-new-filters=<n>'
 - commit-graph: rename 'split_commit_graph_opts'
 - commit-graph: add large-filters bitmap chunk
 - commit-graph.c: sort index into commits list
 - bloom/diff: properly short-circuit on max_changes
 - bloom: use provided 'struct bloom_filter_settings'
 - csum-file.h: introduce 'hashwrite_be64()'
 - bloom: split 'get_bloom_filter()' in two
 - commit-graph.c: store maximum changed paths
 - commit-graph: respect 'commitGraph.readChangedPaths'
 - t/helper/test-read-graph.c: prepare repo settings
 - commit-graph: pass a 'struct repository *' in more places
 - t4216: use an '&&'-chain
 - commit-graph: introduce 'get_bloom_filter_settings()'

 Misc Bloom filter improvements.

 Expecting a reroll.
 It seems that the review is getting closer to result in another update.
 cf. <20200811220503.GC66656@syl.lan>


* en/dir-nonbare-embedded (2020-08-12) 2 commits
  (merged to 'next' on 2020-08-17 at ab180b7fcb)
 + dir: avoid prematurely marking nonbare repositories as matches
 + t3000: fix some test description typos

 "ls-files -o" mishandled the top-level directory of another git
 working tree that hangs in the current git working tree.

 Will merge to 'master'.


* jk/slimmed-down (2020-08-13) 5 commits
 - drop vcs-svn experiment
 - make git-fast-import a builtin
 - make git-bugreport a builtin
 - make credential helpers builtins
 - Makefile: drop builtins from MSVC pdb list

 Trim an unused binary and turn a bunch of commands into built-in.

 In general this is a good thing to do, modulo 'bugreport'.


* jk/unleak-fixes (2020-08-13) 2 commits
  (merged to 'next' on 2020-08-17 at f9bd296b25)
 + ls-remote: simplify UNLEAK() usage
 + stop calling UNLEAK() before die()

 Fix some incorrect UNLEAK() annotations.

 Will merge to 'master'.


* ss/t7401-modernize (2020-08-21) 5 commits
 - t7401: add a NEEDSWORK
 - t7401: change indentation for enhanced readability
 - t7401: change syntax of test_i18ncmp calls for clarity
 - t7401: use 'short' instead of 'verify' and cut in rev-parse calls
 - t7401: modernize style

 Test clean-up.

 Looking good.


* ds/maintenance-part-2 (2020-08-18) 8 commits
 - maintenance: add incremental-repack auto condition
 - maintenance: auto-size incremental-repack batch
 - maintenance: add incremental-repack task
 - midx: use start_delayed_progress()
 - midx: enable core.multiPackIndex by default
 - maintenance: create auto condition for loose-objects
 - maintenance: add loose-objects task
 - maintenance: add prefetch task
 (this branch uses ds/maintenance-part-1 and jc/no-update-fetch-head; is tangled with jt/lazy-fetch.)

 "git maintenance", an extended big brother of "git gc", continues
 to evolve.


* ma/doc-sha-256-is-experimental (2020-08-17) 1 commit
  (merged to 'next' on 2020-08-19 at 9ccf6c399c)
 + Documentation: mark `--object-format=sha256` as experimental

 The recent addition of SHA-256 support is marked as experimental in
 the documentation.

 Will merge to 'master'.


* ss/submodule-summary-in-c (2020-08-12) 4 commits
  (merged to 'next' on 2020-08-17 at 9bc352cb70)
 + submodule: port submodule subcommand 'summary' from shell to C
 + t7421: introduce a test script for verifying 'summary' output
 + submodule: rename helper functions to avoid ambiguity
 + submodule: remove extra line feeds between callback struct and macro

 Yet another subcommand of "git submodule" is getting rewritten in C.

 Will merge to 'master'.


* am/ci-wsfix (2020-08-21) 1 commit
 - ci: fix inconsistent indentation

 Aesthetic fix to a CI configuration file.

 Will merge to 'next'.


* es/init-no-separate-git-dir-in-bare (2020-08-10) 1 commit
  (merged to 'next' on 2020-08-17 at 80498c8659)
 + init: disallow --separate-git-dir with bare repository

 The purpose of "git init --separate-git-dir" is to initialize a
 new project with the repository separate from the working tree,
 or, in the case of an existing project, to move the repository
 (the .git/ directory) out of the working tree. It does not make
 sense to use --separate-git-dir with a bare repository for which
 there is no working tree, so disallow its use with bare
 repositories.

 Will merge to 'master'.


* ds/maintenance-part-1 (2020-08-18) 11 commits
 - maintenance: add trace2 regions for task execution
 - maintenance: add auto condition for commit-graph task
 - maintenance: use pointers to check --auto
 - maintenance: create maintenance.<task>.enabled config
 - maintenance: take a lock on the objects directory
 - maintenance: add --task option
 - maintenance: add commit-graph task
 - maintenance: initialize task array
 - maintenance: replace run_auto_gc()
 - maintenance: add --quiet option
 - maintenance: create basic maintenance runner
 (this branch is used by ds/maintenance-part-2; uses jc/no-update-fetch-head; is tangled with jt/lazy-fetch.)

 A "git gc"'s big brother has been introduced to take care of more
 repository maintenance tasks, not limited to the object database
 cleaning.


* es/config-hooks (2020-07-30) 6 commits
 - hook: add 'run' subcommand
 - parse-options: parse into argv_array
 - hook: add --porcelain to list command
 - hook: add list command
 - hook: scaffolding for git-hook subcommand
 - doc: propose hooks managed by the config

 The "hooks defined in config" topic.

 Expecting a reroll.
 Now jk/strvec is in 'master', we may want to see the topic reworked
 on top of it.  Are there unresolved issues, or does the topic need
 a round of detailed review?
 cf. <xmqqmu3i9kvg.fsf@gitster.c.googlers.com>

--------------------------------------------------
[Discarded]

* rs/fast-export-anon-simplify (2020-08-13) 1 commit
 . fast-export: factor out print_oid()

 Code simplification.

 Retracted.
 cf. <6e2d4472-8293-4f10-0ba6-82ae83f7a465@web.de>


* mt/hash-to-hex-thread-safety (2020-06-26) 2 commits
 . hex: make hash_to_hex_algop() and friends thread-safe
 . compat/win32/pthread: add pthread_once()

 hash_to_hex() used a set of rotating static buffers, which was not
 safe to use in a threaded environment.  This has been made safer by
 using thread-local storage.

 Retracted.
 cf. <CAHd-oW7Wd8oSaMhPFeRcEeKTJ-k_hC7b6e28efhXT5LFu1E_Uw@mail.gmail.com>