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What's cooking in git.git (Jul 2018, #01; Wed, 11)




Here are the topics that have been cooking.  Commits prefixed with
'-' are only in '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.

The tip of 'next' has been rewound and it currently has only 4
topics.  Quite a many topics are cooking in 'pu' and need to be
sifted into good bins (for 'next') and the remainder.  Help is
appreciated in that area ;-)

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

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

* ag/rebase-i-in-c (2018-07-10) 13 commits
 - rebase -i: rewrite the rest of init_revisions_and_shortrevisions in C
 - rebase -i: implement the logic to initialize the variable $revision in C
 - rebase--interactive: remove unused modes and functions
 - rebase--interactive: rewrite complete_action() in C
 - sequencer: change the way skip_unnecessary_picks() returns its result
 - sequencer: refactor append_todo_help() to write its message to a buffer
 - rebase -i: rewrite checkout_onto() in C
 - rebase -i: rewrite setup_reflog_action() in C
 - sequencer: add a new function to silence a command, except if it fails
 - rebase-interactive: rewrite the edit-todo functionality in C
 - editor: add a function to launch the sequence editor
 - rebase--interactive: rewrite append_todo_help() in C
 - sequencer: make two functions and an enum from sequencer.c public

 Piecemeal rewrite of the remaining "rebase -i" machinery in C.  

 Expecting a reroll.

 The early parts of the series seem solidifying; perhaps with a
 reroll or two, they become 'next' material?


* en/apply-comment-fix (2018-06-28) 1 commit
 - apply: fix grammar error in comment

 Will merge to 'next'.


* en/t5407-rebase-m-fix (2018-06-28) 1 commit
 - t5407: fix test to cover intended arguments

 Will merge to 'next'.


* sb/mailmap (2018-06-29) 1 commit
  (merged to 'next' on 2018-07-11 at d9dc53e374)
 + .mailmap: merge different spellings of names

 Will merge to 'master'.


* sb/object-store-lookup (2018-06-29) 33 commits
 - commit.c: allow lookup_commit_reference to handle arbitrary repositories
 - commit.c: allow lookup_commit_reference_gently to handle arbitrary repositories
 - tag.c: allow deref_tag to handle arbitrary repositories
 - object.c: allow parse_object to handle arbitrary repositories
 - object.c: allow parse_object_buffer to handle arbitrary repositories
 - commit.c: allow get_cached_commit_buffer to handle arbitrary repositories
 - commit.c: allow set_commit_buffer to handle arbitrary repositories
 - commit.c: migrate the commit buffer to the parsed object store
 - commit-slabs: remove realloc counter outside of slab struct
 - commit.c: allow parse_commit_buffer to handle arbitrary repositories
 - tag: allow parse_tag_buffer to handle arbitrary repositories
 - tag: allow lookup_tag to handle arbitrary repositories
 - commit: allow lookup_commit to handle arbitrary repositories
 - tree: allow lookup_tree to handle arbitrary repositories
 - blob: allow lookup_blob to handle arbitrary repositories
 - object: allow lookup_object to handle arbitrary repositories
 - object: allow object_as_type to handle arbitrary repositories
 - tag: add repository argument to deref_tag
 - tag: add repository argument to parse_tag_buffer
 - tag: add repository argument to lookup_tag
 - commit: add repository argument to get_cached_commit_buffer
 - commit: add repository argument to set_commit_buffer
 - commit: add repository argument to parse_commit_buffer
 - commit: add repository argument to lookup_commit
 - commit: add repository argument to lookup_commit_reference
 - commit: add repository argument to lookup_commit_reference_gently
 - tree: add repository argument to lookup_tree
 - blob: add repository argument to lookup_blob
 - object: add repository argument to object_as_type
 - object: add repository argument to parse_object_buffer
 - object: add repository argument to lookup_object
 - object: add repository argument to parse_object
 - Merge branch 'sb/object-store-grafts' into sb/object-store-lookup
 (this branch uses sb/object-store-grafts.)

 lookup_commit_reference() and friends have been updated to find
 in-core object for a specific in-core repository instance.

 Will merge to 'next'.


* ag/rebase-p (2018-07-06) 1 commit
 - git-rebase--preserve-merges: fix formatting of todo help message

 The help message shown in the editor to edit todo list in "rebase -p"
 has regressed recently, which has been corrected.

 Will merge to 'next'.


* bb/pedantic (2018-07-09) 8 commits
 - utf8.c: avoid char overflow
 - string-list.c: avoid conversion from void * to function pointer
 - sequencer.c: avoid empty statements at top level
 - convert.c: replace "\e" escapes with "\033".
 - fixup! refs/refs-internal.h: avoid forward declaration of an enum
 - refs/refs-internal.h: avoid forward declaration of an enum
 - fixup! connect.h: avoid forward declaration of an enum
 - connect.h: avoid forward declaration of an enum

 The codebase has been updated to compile cleanly with -pedantic
 option.

 Will merge to 'next'.


* bb/unicode-11-width (2018-07-09) 1 commit
 - unicode: update the width tables to Unicode 11

 The character display width table has been updated to match the
 latest Unicode standard.

 Will merge to 'next'.


* bc/object-id (2018-07-09) 17 commits
 - pretty: switch hard-coded constants to the_hash_algo
 - sha1-file: convert constants to uses of the_hash_algo
 - log-tree: switch GIT_SHA1_HEXSZ to the_hash_algo->hexsz
 - diff: switch GIT_SHA1_HEXSZ to use the_hash_algo
 - builtin/merge-recursive: make hash independent
 - builtin/merge: switch to use the_hash_algo
 - builtin/fmt-merge-msg: make hash independent
 - builtin/update-index: simplify parsing of cacheinfo
 - builtin/update-index: convert to using the_hash_algo
 - refs/files-backend: use the_hash_algo for writing refs
 - commit: increase commit message buffer size
 - sha1-name: use the_hash_algo when parsing object names
 - strbuf: allocate space with GIT_MAX_HEXSZ
 - commit: express tree entry constants in terms of the_hash_algo
 - hex: switch to using the_hash_algo
 - tree-walk: replace hard-coded constants with the_hash_algo
 - cache: update object ID functions for the_hash_algo

 Conversion from uchar[40] to struct object_id continues.

 Expecting a reroll.
 cf. <20180709232656.GA535220@xxxxxxxxxxxxxxxxxxxxxxxxxx>


* bc/send-email-auto-cte (2018-07-09) 4 commits
 - docs: correct RFC specifying email line length
 - send-email: automatically determine transfer-encoding
 - send-email: accept long lines with suitable transfer encoding
 - send-email: add an auto option for transfer encoding

 The content-transfer-encoding of the message "git send-email" sends
 out by default was 8bit, which can cause trouble when there is an
 overlong line to bust RFC 5322/2822 limit.  A new option 'auto' to
 automatically switch to quoted-printable when there is such a line
 in the payload has been introduced and is made the default.

 Will merge to 'next'.


* en/dirty-merge-fixes (2018-07-11) 9 commits
 - merge: fix misleading pre-merge check documentation
 - merge-recursive: enforce rule that index matches head before merging
 - t6044: add more testcases with staged changes before a merge is invoked
 - merge-recursive: fix assumption that head tree being merged is HEAD
 - merge-recursive: make sure when we say we abort that we actually abort
 - t6044: add a testcase for index matching head, when head doesn't match HEAD
 - t6044: verify that merges expected to abort actually abort
 - index_has_changes(): avoid assuming operating on the_index
 - read-cache.c: move index_has_changes() from merge.c

 The recursive merge strategy did not properly ensure there was no
 change between HEAD and the index before performing its operation,
 which has been corrected.

 Will merge to 'next'.


* en/t6036-merge-recursive-tests (2018-07-11) 6 commits
 - t6036: add a failed conflict detection case: regular files, different modes
 - t6036: add a failed conflict detection case with conflicting types
 - t6036: add a failed conflict detection case with submodule add/add
 - t6036: add a failed conflict detection case with submodule modify/modify
 - t6036: add a failed conflict detection case with symlink add/add
 - t6036: add a failed conflict detection case with symlink modify/modify

 Tests to cover various conflicting cases have been added for
 merge-recursive.

 Will merge to 'next'.


* en/t6036-recursive-corner-cases (2018-07-06) 1 commit
 - t6036: add lots of detail for directory/file conflicts in recursive case

 Tests to cover more D/F conflict cases have been added for
 merge-recursive.

 Will merge to 'next'.


* en/t6042-insane-merge-rename-testcases (2018-07-03) 3 commits
 - t6042: add testcase covering long chains of rename conflicts
 - t6042: add testcase covering rename/rename(2to1)/delete/delete conflict
 - t6042: add testcase covering rename/add/delete conflict type

 Various glitches in the heuristics of merge-recursive strategy have
 been documented in new tests.

 Will merge to 'next'.

 I am not sure if there is a single "correct" answer everybody can
 agree on for each of these "insane" cases, though.


* en/t7405-recursive-submodule-conflicts (2018-07-11) 3 commits
 - t7405: verify 'merge --abort' works after submodule/path conflicts
 - t7405: add a directory/submodule conflict
 - t7405: add a file/submodule conflict

 Tests to cover conflict cases that involve submodules have been
 added for merge-recursive.

 Will merge to 'next'.


* es/test-fixes (2018-07-03) 25 commits
 - t9119: fix broken &&-chains
 - t9000-t9999: fix broken &&-chains
 - t7000-t7999: fix broken &&-chains
 - t6000-t6999: fix broken &&-chains
 - t5000-t5999: fix broken &&-chains
 - t4000-t4999: fix broken &&-chains
 - t3030: fix broken &&-chains
 - t3000-t3999: fix broken &&-chains
 - t2000-t2999: fix broken &&-chains
 - t1000-t1999: fix broken &&-chains
 - t0000-t0999: fix broken &&-chains
 - t9814: simplify convoluted check that command correctly errors out
 - t9001: fix broken "invoke hook" test
 - t7810: use test_expect_code() instead of hand-rolled comparison
 - t7400: fix broken "submodule add/reconfigure --force" test
 - t7201: drop pointless "exit 0" at end of subshell
 - t6036: fix broken "merge fails but has appropriate contents" tests
 - t5505: modernize and simplify hard-to-digest test
 - t5406: use write_script() instead of birthing shell script manually
 - t5405: use test_must_fail() instead of checking exit code manually
 - t/lib-submodule-update: fix "absorbing" test
 - t: drop unnecessary terminating semicolon in subshell
 - t: use sane_unset() rather than 'unset' with broken &&-chain
 - t: use test_write_lines() instead of series of 'echo' commands
 - t: use test_might_fail() instead of manipulating exit code manually

 Test clean-up and corrections.

 Will merge to 'next'.


* jk/empty-pick-fix (2018-07-11) 2 commits
 - sequencer: don't say BUG on bogus input
 - sequencer: handle empty-set cases consistently

 Handling of an empty range by "git cherry-pick" was inconsistent
 depending on how the range ended up to be empty, which has been
 corrected.

 Will merge to 'next'.


* jk/fetch-all-peeled-fix (2018-07-06) 1 commit
 - t5500: prettify non-commit tag tests

 Test modernization.

 Will merge to 'next'.


* jk/for-each-ref-icase (2018-07-03) 3 commits
 - ref-filter: avoid backend filtering with --ignore-case
 - for-each-ref: consistently pass WM_IGNORECASE flag
 - t6300: add a test for --ignore-case

 The "--ignore-case" option of "git for-each-ref" (and its friends)
 did not work correctly, which has been fixed.

 Will merge to 'next'.


* jk/fsck-gitmodules-gently (2018-07-03) 5 commits
 - fsck: silence stderr when parsing .gitmodules
 - fsck: silence stderr when parsing .gitmodules
 - config: add options parameter to git_config_from_mem
 - config: add CONFIG_ERROR_SILENT handler
 - config: turn die_on_error into caller-facing enum

 What's the status of this one?


* js/range-diff (2018-07-09) 20 commits
 - range-diff: make --dual-color the default mode
 - range-diff: left-pad patch numbers
 - completion: support `git range-diff`
 - range-diff: add a man page
 - range-diff --dual-color: work around bogus white-space warning
 - range-diff: offer to dual-color the diffs
 - diff: add an internal option to dual-color diffs of diffs
 - color: add the meta color GIT_COLOR_REVERSE
 - range-diff: use color for the commit pairs
 - range-diff: add tests
 - range-diff: do not show "function names" in hunk headers
 - range-diff: adjust the output of the commit pairs
 - range-diff: suppress the diff headers
 - range-diff: indent the diffs just like tbdiff
 - range-diff: right-trim commit messages
 - range-diff: also show the diff between patches
 - range-diff: improve the order of the shown commits
 - range-diff: first rudimentary implementation
 - Introduce `range-diff` to compare iterations of a topic branch
 - linear-assignment: a function to solve least-cost assignment problems

 "git tbdiff" that lets us compare individual patches in two
 iterations of a topic has been rewritten and made into a built-in
 command.

 Supersedes js/branch-diff topic that added a similar command under
 a different name.


* jt/commit-graph-per-object-store (2018-07-09) 6 commits
 . commit-graph: add repo arg to graph readers
 . commit-graph: store graph in struct object_store
 . commit-graph: add free_commit_graph
 . commit-graph: add missing forward declaration
 . object-store: add missing include
 . commit-graph: refactor preparing commit graph
 (this branch uses ds/commit-graph-fsck.)

 The singleton commit-graph in-core instance is made per in-core
 repository instance.

 Expecting a reroll, as it breaks 32-bit build.
 cf. https://travis-ci.org/git/git/jobs/402422108
 

* jt/partial-clone-fsck-connectivity (2018-07-09) 2 commits
 - clone: check connectivity even if clone is partial
 - upload-pack: send refs' objects despite "filter"
 (this branch uses bw/ref-in-want and jt/connectivity-check-after-unshallow.)

 Partial clone support of "git clone" has been updated to correctly
 validate the objects it receives from the other side.  The server
 side has been corrected to send objects that are directly
 requested, even if they may match the filtering criteria (e.g. when
 doing a "lazy blob" partial clone).

 Will merge to 'next'.


* kg/gc-auto-windows-workaround (2018-07-09) 1 commit
 - gc --auto: release pack files before auto packing

 "git gc --auto" opens file descriptors for the packfiles before
 spawning "git repack/prune", which would upset Windows that does
 not want a process to work on a file that is open by another
 process.  The issue has been worked around.

 Will merge to 'next'.


* kn/userdiff-php (2018-07-06) 2 commits
 - userdiff: support new keywords in PHP hunk header
 - t4018: add missing test cases for PHP

 The userdiff pattern for .php has been updated.

 Will merge to 'next'.


* lt/date-human (2018-07-09) 1 commit
 - Add 'human' date format


* mh/fast-import-no-diff-delta-empty (2018-07-06) 1 commit
 - fast-import: do not call diff_delta() with empty buffer

 "git fast-import" has been updated to avoid attempting to create
 delta against a zero-byte-long string, which is pointless.

 Will merge to 'next'.


* ot/ref-filter-object-info (2018-07-09) 4 commits
 . ref-filter: use oid_object_info() to get object
 . ref-filter: merge get_obj and get_object
 . ref-filter: add empty values to technical fields
 . ref-filter: add info_source to valid_atom

 Expecting a reroll, as it breaks compilation with uninitialized var.
 cf. https://travis-ci.org/git/git/jobs/402422102


* pk/rebase-in-c (2018-07-09) 4 commits
 - builtin/rebase: support running "git rebase <upstream>"
 - sequencer: refactor the code to detach HEAD to checkout.c
 - rebase: refactor common shell functions into their own file
 - rebase: start implementing it as a builtin

 Piecemeal rewrite of the "rebase" machinery in C.  

 Expecting a reroll, but it seems that this is getting quite close.
 cf. <CAOZc8M8YmLwJOzG-1jyz8ft4W_tJMwNs6kSV8inX1q_zmDW8Sg@xxxxxxxxxxxxxx>


* tb/config-default (2018-07-06) 1 commit
 - builtin/config: work around an unsized array forward declaration

 Compilation fix.

 Will merge to 'next'.


* bp/log-ref-write-fd-with-strbuf (2018-07-10) 1 commit
 - convert log_ref_write_fd() to use strbuf

 Code clean-up.

 Will merge to 'next'.


* hs/push-cert-check-cleanup (2018-07-11) 2 commits
 - gpg-interface: make parse_gpg_output static and remove from interface header
 - builtin/receive-pack: use check_signature from gpg-interface

 Code clean-up.

 Will merge to 'next'.


* mk/merge-in-sparse-checkout (2018-07-11) 1 commit
 - unpack-trees: do not fail reset because of unmerged skipped entry

 "git reset --merge" (hence "git merge ---abort") and "git reset --hard"
 had trouble working correctly in a sparsely checked out working
 tree after a conflict, which has been corrected.

 Will merge to 'next'.

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

* pw/add-p-select (2018-03-16) 3 commits
 - add -p: optimize line selection for short hunks
 - add -p: allow line selection to be inverted
 - add -p: select individual hunk lines

 "git add -p" interactive interface learned to let users choose
 individual added/removed lines to be used in the operation, instead
 of accepting or rejecting a whole hunk.

 Expecting a reroll to reignite the discussion.
 cf. <9895c7b7-eac4-28c1-90c6-443acd1131b7@xxxxxxxxxxxx>


* jh/json-writer (2018-06-13) 1 commit
 - json_writer: new routines to create JSON data

 Preparatory code to later add json output for unspecified telemetry
 data.

 We do not add random code that does not have real users to our
 codebase, so let's have it wait until such a real code materializes
 before too long.


* hn/bisect-first-parent (2018-04-21) 1 commit
 - bisect: create 'bisect_flags' parameter in find_bisection()

 Preliminary code update to allow passing more flags down the
 bisection codepath in the future.

 We do not add random code that does not have real users to our
 codebase, so let's have it wait until such a real code materializes
 before too long.


* av/fsmonitor-updates (2018-01-04) 6 commits
 - fsmonitor: use fsmonitor data in `git diff`
 - fsmonitor: remove debugging lines from t/t7519-status-fsmonitor.sh
 - fsmonitor: make output of test-dump-fsmonitor more concise
 - fsmonitor: update helper tool, now that flags are filled later
 - fsmonitor: stop inline'ing mark_fsmonitor_valid / _invalid
 - dir.c: update comments to match argument name

 Code clean-up on fsmonitor integration, plus optional utilization
 of the fsmonitor data in diff-files.

 Waiting for an update.
 cf. <alpine.DEB.2.21.1.1801042335130.32@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>


* pb/bisect-helper-2 (2018-06-13) 8 commits
 - t6030: make various test to pass GETTEXT_POISON tests
 - bisect--helper: `bisect_start` shell function partially in C
 - bisect--helper: `get_terms` & `bisect_terms` shell function in C
 - bisect--helper: `bisect_next_check` shell function in C
 - bisect--helper: `check_and_set_terms` shell function in C
 - wrapper: move is_empty_file() and rename it as is_empty_or_missing_file()
 - bisect--helper: `bisect_write` shell function in C
 - bisect--helper: `bisect_reset` shell function in C

 Expecting a reroll.
 cf. <0102015f5e5ee171-f30f4868-886f-47a1-a4e4-b4936afc545d-000000@xxxxxxxxxxxxxxxxxxxxxxx>

 I just rebased the topic to a newer base as it did not build
 standalone with the base I originally queued the topic on, but
 otherwise there is no update to address any of the review comments
 in the thread above---we are still waiting for a reroll.


* mk/http-backend-content-length (2018-06-11) 3 commits
 - http-backend: respect CONTENT_LENGTH for receive-pack
 - http-backend: respect CONTENT_LENGTH as specified by rfc3875
 - http-backend: cleanup writing to child process

 The http-backend (used for smart-http transport) used to slurp the
 whole input until EOF, without paying attention to CONTENT_LENGTH
 that is supplied in the environment and instead expecting the Web
 server to close the input stream.  This has been fixed.


* jk/drop-ancient-curl (2017-08-09) 5 commits
 - http: #error on too-old curl
 - curl: remove ifdef'd code never used with curl >=7.19.4
 - http: drop support for curl < 7.19.4
 - http: drop support for curl < 7.16.0
 - http: drop support for curl < 7.11.1

 Some code in http.c that has bitrot is being removed.

 Expecting a reroll.


* mk/use-size-t-in-zlib (2017-08-10) 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".

 Needs resurrecting by making sure the fix is good and still applies
 (or adjusted to today's codebase).

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

* ao/config-from-gitmodules (2018-06-26) 6 commits
  (merged to 'next' on 2018-07-11 at 5d88dc6fb7)
 + submodule-config: reuse config_from_gitmodules in repo_read_gitmodules
 + submodule-config: pass repository as argument to config_from_gitmodules
 + submodule-config: make 'config_from_gitmodules' private
 + submodule-config: add helper to get 'update-clone' config from .gitmodules
 + submodule-config: add helper function to get 'fetch' config from .gitmodules
 + config: move config_from_gitmodules to submodule-config.c

 Tighten the API to make it harder to misuse in-tree .gitmodules
 file, even though it shares the same syntax with configuration
 files, to read random configuration items from it.

 Will merge to 'master'.


* as/sequencer-customizable-comment-char (2018-06-28) 1 commit
 - sequencer: use configured comment character

 Honor core.commentchar when preparing the list of commits to replay
 in "rebase -i".

 Needs inter-contributor coordination.
 cf. <e8973797-fc5f-2ca5-1881-5ee66fc8279b@xxxxxxxxxxxxx>


* dj/runtime-prefix (2018-06-26) 1 commit
  (merged to 'next' on 2018-07-11 at 27d99fef94)
 + Makefile: tweak sed invocation

 POSIX portability fix in Makefile to fix a glitch introduced a few
 releases ago.

 Will merge to 'master'.


* ds/commit-graph (2018-06-28) 1 commit
  (merged to 'next' on 2018-07-11 at d579f733ed)
 + commit-graph: fix documentation inconsistencies

 Docfix.

 Will merge to 'master'.


* en/rebase-i-microfixes (2018-06-27) 3 commits
  (merged to 'next' on 2018-07-11 at d913ca0f77)
 + git-rebase--merge: modernize "git-$cmd" to "git $cmd"
 + Fix use of strategy options with interactive rebases
 + t3418: add testcase showing problems with rebase -i and strategy options

 Will merge to 'master'.


* js/enhanced-version-info (2018-06-29) 1 commit
  (merged to 'next' on 2018-07-11 at 815b2ea2bc)
 + Makefile: fix the "built from commit" code

 Build fix.

 Will merge to 'master'.


* js/rebase-recreate-merge (2018-06-27) 1 commit
  (merged to 'next' on 2018-07-11 at eb8f33aaef)
 + rebase: fix documentation formatting

 Docfix.

 Will merge to 'master'.


* jt/connectivity-check-after-unshallow (2018-07-03) 1 commit
 - fetch-pack: write shallow, then check connectivity
 (this branch is used by jt/partial-clone-fsck-connectivity; uses bw/ref-in-want.)

 "git fetch" failed to correctly validate the set of objects it
 received when making a shallow history deeper, which has been
 corrected.

 Will merge to 'next'.


* jt/fetch-nego-tip (2018-07-03) 1 commit
 - fetch-pack: support negotiation tip whitelist
 (this branch uses jt/fetch-pack-negotiator.)

 "git fetch" learned a new option "--negotiation-tip" to limit the
 set of commits it tells the other end as "have", to reduce wasted
 bandwidth and cycles, which would be helpful when the receiving
 repository has a lot of refs that have little to do with the
 history at the remote it is fetching from.

 Will merge to 'next'.


* mb/filter-branch-optim (2018-06-26) 1 commit
  (merged to 'next' on 2018-07-11 at e43a0136c2)
 + filter-branch: skip commits present on --state-branch

 "git filter-branch" when used with the "--state-branch" option
 still attempted to rewrite the commits whose filtered result is
 known from the previous attempt (which is recorded on the state
 branch); the command has been corrected not to waste cycles doing
 so.

 Will merge to 'master'.


* ms/core-icase-doc (2018-06-28) 1 commit
  (merged to 'next' on 2018-07-11 at 8f0d71c32d)
 + Documentation: declare "core.ignoreCase" as internal variable

 Clarify that setting core.ignoreCase to deviate from reality would
 not turn a case-incapable filesystem into a case-capable one.

 Will merge to 'master'.


* rj/submodule-fsck-skip (2018-07-03) 1 commit
  (merged to 'next' on 2018-07-11 at 985f88cf7e)
 + fsck: check skiplist for object in fsck_blob()

 "fsck.skipList" did not prevent a blob object listed there from
 being inspected for is contents (e.g. we recently started to
 inspect the contents of ".gitmodules" for certain malicious
 patterns), which has been corrected.

 Will merge to 'master'.


* tb/grep-only-matching (2018-07-09) 2 commits
 - grep.c: teach 'git grep --only-matching'
 - grep.c: extract show_line_header()
 (this branch uses tb/grep-column.)

 "git grep" learned the "--only-matching" option.

 Will merge to 'next'.


* tz/exclude-doc-smallfixes (2018-06-27) 2 commits
  (merged to 'next' on 2018-07-11 at 5134f1ca72)
 + dir.c: fix typos in core.excludesfile comment
 + gitignore.txt: clarify default core.excludesfile path

 Doc updates.

 Will merge to 'master'.


* ld/p423 (2018-06-19) 6 commits
  (merged to 'next' on 2018-06-29 at af76acb664)
 + git-p4: python3: fix octal constants
 + git-p4: python3: use print() function
 + git-p4: python3: basestring workaround
 + git-p4: python3: remove backticks
 + git-p4: python3: replace dict.has_key(k) with "k in dict"
 + git-p4: python3: replace <> with !=

 Code preparation to make "git p4" closer to be usable with Python 3.

 Will merge to 'master'.


* pw/rebase-i-keep-reword-after-conflict (2018-06-19) 1 commit
  (merged to 'next' on 2018-06-29 at 538337be74)
 + sequencer: do not squash 'reword' commits when we hit conflicts

 Bugfix for "rebase -i" corner case regression.

 Will merge to 'master'.


* xy/format-patch-prereq-patch-id-fix (2018-06-19) 1 commit
  (merged to 'next' on 2018-06-29 at 0dffc46ce2)
 + format-patch: clear UNINTERESTING flag before prepare_bases

 Recently added "--base" option to "git format-patch" command did
 not correctly generate prereq patch ids.

 Will merge to 'master'.


* bw/config-refer-to-gitsubmodules-doc (2018-06-21) 1 commit
  (merged to 'next' on 2018-06-29 at da6f49d292)
 + docs: link to gitsubmodules

 Docfix.

 Will merge to 'master'.


* bw/ref-in-want (2018-06-28) 8 commits
 - fetch-pack: implement ref-in-want
 - fetch-pack: put shallow info in output parameter
 - fetch: refactor to make function args narrower
 - fetch: refactor fetch_refs into two functions
 - fetch: refactor the population of peer ref OIDs
 - upload-pack: test negotiation with changing repository
 - upload-pack: implement ref-in-want
 - test-pkt-line: add unpack-sideband subcommand
 (this branch is used by jt/connectivity-check-after-unshallow and jt/partial-clone-fsck-connectivity.)

 Protocol v2 has been updated to allow slightly out-of-sync set of
 servers to work together to serve a single client, which would be
 useful with load-balanced servers that talk smart HTTP transport.

 Will merge to 'next'.


* en/rebase-consistency (2018-06-27) 9 commits
 - git-rebase: make --allow-empty-message the default
 - t3401: add directory rename testcases for rebase and am
 - git-rebase.txt: document behavioral differences between modes
 - directory-rename-detection.txt: technical docs on abilities and limitations
 - git-rebase.txt: address confusion between --no-ff vs --force-rebase
 - git-rebase: error out when incompatible options passed
 - t3422: new testcases for checking when incompatible options passed
 - git-rebase.sh: update help messages a bit
 - git-rebase.txt: document incompatible options

 "git rebase" behaved slightly differently depending on which one of
 the three backends gets used; this has been documented and an
 effort to make them more uniform has begun.

 Will merge to 'next'.


* jt/remove-pack-bitmap-global (2018-06-21) 2 commits
  (merged to 'next' on 2018-06-29 at 852857b04e)
 + pack-bitmap: add free function
 + pack-bitmap: remove bitmap_git global variable

 The effort to move globals to per-repository in-core structure
 continues.

 Will merge to 'master'.


* sb/submodule-move-head-error-msg (2018-06-25) 1 commit
 - submodule.c: report the submodule that an error occurs in

 Will merge to 'next'.


* bw/protocol-v2 (2018-06-22) 1 commit
  (merged to 'next' on 2018-06-29 at 78090cc343)
 + protocol-v2 doc: put HTTP headers after request

 Doc fix.

 Will merge to 'master'.


* jk/branch-l-1-repurpose (2018-06-22) 1 commit
 - branch: make "-l" a synonym for "--list"
 (this branch uses jk/branch-l-0-deprecation.)

 Updated plan to repurpose the "-l" option to "git branch".

 Will hold in 'pu' until jk/branch-l-0-deprecation progresses sufficiently.


* vs/typofixes (2018-06-22) 1 commit
  (merged to 'next' on 2018-06-29 at 665c8db2f7)
 + Documentation: spelling and grammar fixes

 Doc fix.

 Will merge to 'master'.


* cc/remote-odb (2018-07-06) 10 commits
 - SQUASH??? error: unused variable 'o' [-Werror=unused-variable]
 - Documentation/config: add odb.<name>.promisorRemote
 - t0410: test fetching from many promisor remotes
 - Use odb.origin.partialclonefilter instead of core.partialclonefilter
 - Use remote_odb_get_direct() and has_remote_odb()
 - remote-odb: add remote_odb_reinit()
 - remote-odb: implement remote_odb_get_many_direct()
 - remote-odb: implement remote_odb_get_direct()
 - Add initial remote odb support
 - fetch-object: make functions return an error code

 Needs a reroll.


* ds/multi-pack-index (2018-07-09) 24 commits
 . midx: clear midx on repack
 . packfile: skip loading index if in multi-pack-index
 . midx: prevent duplicate packfile loads
 . midx: use midx in approximate_object_count
 . midx: use existing midx when writing new one
 . midx: use midx in abbreviation calculations
 . midx: read objects from multi-pack-index
 . midx: prepare midxed_git struct
 . config: create core.multiPackIndex setting
 . midx: write object offsets
 . midx: write object id fanout chunk
 . midx: write object ids in a chunk
 . midx: sort and deduplicate objects from packfiles
 . midx: read pack names into array
 . multi-pack-index: write pack names in chunk
 . multi-pack-index: read packfile list
 . packfile: generalize pack directory list
 . multi-pack-index: expand test data
 . multi-pack-index: load into memory
 . midx: write header information to lockfile
 . multi-pack-index: add 'write' verb
 . multi-pack-index: add builtin
 . multi-pack-index: add format details
 . multi-pack-index: add design document

 When there are too many packfiles in a repository (which is not
 recommended), looking up an object in these would require
 consulting many pack .idx files; a new mechanism to have a single
 file that consolidates all of these .idx files is introduced.

 Expecting a reroll to fix documentation build.
 cf. https://travis-ci.org/git/git/jobs/402422110


* tb/grep-column (2018-06-22) 7 commits
  (merged to 'next' on 2018-06-29 at 25dc70426e)
 + contrib/git-jump/git-jump: jump to exact location
 + grep.c: add configuration variables to show matched option
 + builtin/grep.c: add '--column' option to 'git-grep(1)'
 + grep.c: display column number of first match
 + grep.[ch]: extend grep_opt to allow showing matched column
 + grep.c: expose {,inverted} match column in match_line()
 + Documentation/config.txt: camel-case lineNumber for consistency
 (this branch is used by tb/grep-only-matching.)

 "git grep" learned the "--column" option that gives not just the
 line number but the column number of the hit.

 Will merge to 'master'.


* jt/fetch-pack-negotiator (2018-06-15) 7 commits
 - fetch-pack: introduce negotiator API
 - fetch-pack: move common check and marking together
 - fetch-pack: make negotiation-related vars local
 - fetch-pack: use ref adv. to prune "have" sent
 - fetch-pack: directly end negotiation if ACK ready
 - fetch-pack: clear marks before re-marking
 - fetch-pack: split up everything_local()
 (this branch is used by jt/fetch-nego-tip.)

 Code restructuring and a small fix to transport protocol v2 during
 fetching.

 Will merge to 'next'.


* sb/submodule-core-worktree (2018-06-19) 3 commits
  (merged to 'next' on 2018-06-28 at 96e1a8dbd1)
 + submodule deinit: unset core.worktree
 + submodule: ensure core.worktree is set after update
 + submodule: unset core.worktree if no working tree is present

 Originally merged to 'next' on 2018-06-22

 "git submodule" did not correctly adjust core.worktree setting that
 indicates whether/where a submodule repository has its associated
 working tree across various state transitions, which has been
 corrected.

 Will merge to 'master'.


* ds/ewah-cleanup (2018-06-21) 10 commits
  (merged to 'next' on 2018-06-28 at 9cd7c0d54a)
 + ewah: delete unused 'rlwit_discharge_empty()'
 + ewah: drop ewah_serialize_native function
 + ewah: drop ewah_deserialize function
 + ewah_io: delete unused 'ewah_serialize()'
 + ewah_bitmap: delete unused 'ewah_or()'
 + ewah_bitmap: delete unused 'ewah_not()'
 + ewah_bitmap: delete unused 'ewah_and_not()'
 + ewah_bitmap: delete unused 'ewah_and()'
 + ewah/bitmap.c: delete unused 'bitmap_each_bit()'
 + ewah/bitmap.c: delete unused 'bitmap_clear()'

 Originally merged to 'next' on 2018-06-22

 Remove unused function definitions and declarations from ewah
 bitmap subsystem.

 Will merge to 'master'.


* is/parsing-line-range (2018-06-15) 2 commits
 - log: prevent error if line range ends past end of file
 - blame: prevent error if range ends past end of file

 Parsing of -L[<N>][,[<M>]] parameters "git blame" and "git log"
 take has been tweaked.

 Will merge to 'next'.


* en/merge-recursive-cleanup (2018-06-12) 6 commits
  (merged to 'next' on 2018-06-28 at 1a3646eb7d)
 + merge-recursive: add pointer about unduly complex looking code
 + merge-recursive: rename conflict_rename_*() family of functions
 + merge-recursive: clarify the rename_dir/RENAME_DIR meaning
 + merge-recursive: align labels with their respective code blocks
 + merge-recursive: fix numerous argument alignment issues
 + merge-recursive: fix miscellaneous grammar error in comment

 Originally merged to 'next' on 2018-06-19

 Code cleanup.

 Will merge to 'master'.


* ab/checkout-default-remote (2018-06-11) 8 commits
 - checkout & worktree: introduce checkout.defaultRemote
 - checkout: add advice for ambiguous "checkout <branch>"
 - builtin/checkout.c: use "ret" variable for return
 - checkout: pass the "num_matches" up to callers
 - checkout.c: change "unique" member to "num_matches"
 - checkout.c: introduce an *_INIT macro
 - checkout.h: wrap the arguments to unique_tracking_name()
 - checkout tests: index should be clean after dwim checkout

 "git checkout" and "git worktree add" learned to honor
 checkout.defaultRemote when auto-vivifying a local branch out of a
 remote tracking branch in a repository with multiple remotes that
 have tracking branches that share the same names.

 Will merge to 'next'.


* ds/commit-graph-fsck (2018-06-27) 22 commits
 - commit-graph: update design document
 - gc: automatically write commit-graph files
 - commit-graph: add '--reachable' option
 - commit-graph: use string-list API for input
 - fsck: verify commit-graph
 - commit-graph: verify contents match checksum
 - commit-graph: test for corrupted octopus edge
 - commit-graph: verify commit date
 - commit-graph: verify generation number
 - commit-graph: verify parent list
 - commit-graph: verify root tree OIDs
 - commit-graph: verify objects exist
 - commit-graph: verify corrupt OID fanout and lookup
 - commit-graph: verify required chunks are present
 - commit-graph: verify catches corrupt signature
 - commit-graph: add 'verify' subcommand
 - commit-graph: load a root tree from specific graph
 - commit: force commit to parse from object database
 - commit-graph: parse commit from chosen graph
 - commit-graph: fix GRAPH_MIN_SIZE
 - commit-graph: UNLEAK before die()
 - t5318-commit-graph.sh: use core.commitGraph
 (this branch is used by jt/commit-graph-per-object-store.)

 "git fsck" learns to make sure the optional commit-graph file is in
 a sane state.

 Will merge to 'next'.


* ma/wrapped-info (2018-05-28) 2 commits
 - usage: prefix all lines in `vreportf()`, not just the first
 - usage: extract `prefix_suffix_lines()` from `advise()`

 An attempt to help making multi-line messages fed to warning(),
 error(), and friends more easily translatable.

 Will discard and wait for a cleaned-up rewrite.
 cf. <20180529213957.GF7964@xxxxxxxxxxxxxxxxxxxxx>


* jm/cache-entry-from-mem-pool (2018-07-03) 8 commits
 - block alloc: add validations around cache_entry lifecyle
 - block alloc: allocate cache entries from mem_pool
 - mem-pool: fill out functionality
 - mem-pool: add life cycle management functions
 - mem-pool: only search head block for available space
 - block alloc: add lifecycle APIs for cache_entry structs
 - read-cache: teach make_cache_entry to take object_id
 - read-cache: teach refresh_cache_entry to take istate

 For a large tree, the index needs to hold many cache entries
 allocated on heap.  These cache entries are now allocated out of a
 dedicated memory pool to amortize malloc(3) overhead.

 Will merge to 'next'.

 This makes each cache-entry larger by either 4 or 8 bytes, which is
 a bit sad, though.


* sb/object-store-grafts (2018-05-18) 19 commits
  (merged to 'next' on 2018-06-28 at 02f70d6302)
 + commit: allow lookup_commit_graft to handle arbitrary repositories
 + commit: allow prepare_commit_graft to handle arbitrary repositories
 + shallow: migrate shallow information into the object parser
 + path.c: migrate global git_path_* to take a repository argument
 + cache: convert get_graft_file to handle arbitrary repositories
 + commit: convert read_graft_file to handle arbitrary repositories
 + commit: convert register_commit_graft to handle arbitrary repositories
 + commit: convert commit_graft_pos() to handle arbitrary repositories
 + shallow: add repository argument to is_repository_shallow
 + shallow: add repository argument to check_shallow_file_for_update
 + shallow: add repository argument to register_shallow
 + shallow: add repository argument to set_alternate_shallow_file
 + commit: add repository argument to lookup_commit_graft
 + commit: add repository argument to prepare_commit_graft
 + commit: add repository argument to read_graft_file
 + commit: add repository argument to register_commit_graft
 + commit: add repository argument to commit_graft_pos
 + object: move grafts to object parser
 + object-store: move object access functions to object-store.h
 (this branch is used by sb/object-store-lookup.)

 Originally merged to 'next' on 2018-06-22

 The conversion to pass "the_repository" and then "a_repository"
 throughout the object access API continues.

 Will merge to 'master'.


* sb/diff-color-move-more (2018-06-29) 9 commits
 - diff.c: add white space mode to move detection that allows indent changes
 - diff.c: factor advance_or_nullify out of mark_color_as_moved
 - diff.c: decouple white space treatment from move detection algorithm
 - diff.c: add a blocks mode for moved code detection
 - diff.c: adjust hash function signature to match hashmap expectation
 - diff.c: do not pass diff options as keydata to hashmap
 - t4015: avoid git as a pipe input
 - xdiff/xdiffi.c: remove unneeded function declarations
 - xdiff/xdiff.h: remove unused flags

 "git diff --color-moved" feature has further been tweaked.

 Will merge to 'next'.


* jk/branch-l-0-deprecation (2018-06-22) 3 commits
  (merged to 'next' on 2018-06-29 at fac676dfb9)
 + branch: deprecate "-l" option
 + t: switch "branch -l" to "branch --create-reflog"
 + t3200: unset core.logallrefupdates when testing reflog creation
 (this branch is used by jk/branch-l-1-repurpose.)

 The "-l" option in "git branch -l" is an unfortunate short-hand for
 "--create-reflog", but many users, both old and new, somehow expect
 it to be something else, perhaps "--list".  This step warns when "-l"
 is used as a short-hand for "--create-reflog" and warns about the
 future repurposing of the it when it is used.

 Will merge to 'master'.

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

* ag/rebase-i-append-todo-help (2018-06-14) 2 commits
 . rebase--interactive: rewrite append_todo_help() in C
 . Merge branch 'ag/rebase-p' into ag/rebase-i-append-todo-help
 (this branch is used by ag/rebase-i-rewrite-todo.)

 Stepwise rewriting of the machinery of "rebase -i" into C continues.

 Now part of ag/rebase-i-in-c


* ag/rebase-i-rewrite-todo (2018-06-15) 3 commits
 . rebase--interactive: rewrite the edit-todo functionality in C
 . editor: add a function to launch the sequence editor
 . Merge branch 'bc/t3430-fixup' into ag/rebase-i-rewrite-todo
 (this branch uses ag/rebase-i-append-todo-help.)

 Stepwise rewriting of the machinery of "rebase -i" into C continues.

 Now part of ag/rebase-i-in-c


* ab/fetch-tags-noclobber (2018-05-16) 9 commits
 - fixup! push tests: assert re-pushing annotated tags
 - fetch: stop clobbering existing tags without --force
 - fetch tests: add a test clobbering tag behavior
 - fetch tests: correct a comment "remove it" -> "remove them"
 - push doc: correct lies about how push refspecs work
 - push tests: assert re-pushing annotated tags
 - push tests: add more testing for forced tag pushing
 - push tests: fix logic error in "push" test assertion
 - push tests: remove redundant 'git push' invocation

 Discarded per request.
 cf. <87po09cnir.fsf@xxxxxxxxxxxxxxxxxxx>


* nd/use-the-index-compat-less (2018-06-25) 13 commits
 . wt-status.c: stop using index compat macros
 . sha1-name.c: stop using index compat macros
 . sequencer.c: stop using index compat macros
 . revision.c: stop using index compat macros
 . rerere.c: stop using index compat macros
 . merge.c: stop using index compat macros
 . merge-recursive.c: stop using index compat macros
 . entry.c: stop using index compat macros
 . diff.c: stop using index compat macros
 . diff-lib.c: stop using index compat macros
 . check-racy.c: stop using index compat macros
 . blame.c: stop using index compat macros
 . apply.c: stop using index compat macros

 Retracted to be replaced with a more vertical approach where the
 lower-level helper functions are taught to be capable of working on
 an istate instance that is not the_index first, and then upwards to
 support the application layer that wants to work on an arbitrary
 istate instance, as the goal is not a mechanical replacement of
 foo_cache(...) to foo_index(&the_index, ...).


* js/branch-diff (2018-05-16) 19 commits
 . fixup! Add a function to solve least-cost assignment problems
 . completion: support branch-diff
 . branch-diff: add a man page
 . branch-diff --dual-color: work around bogus white-space warning
 . branch-diff: offer to dual-color the diffs
 . diff: add an internal option to dual-color diffs of diffs
 . color: provide inverted colors, too
 . branch-diff: use color for the commit pairs
 . branch-diff: add tests
 . branch-diff: do not show "function names" in hunk headers
 . branch-diff: adjust the output of the commit pairs
 . branch-diff: suppress the diff headers
 . branch-diff: indent the diffs just like tbdiff
 . branch-diff: right-trim commit messages
 . branch-diff: also show the diff between patches
 . branch-diff: improve the order of the shown commits
 . branch-diff: first rudimentary implementation
 . Add a new builtin: branch-diff
 . Add a function to solve least-cost assignment problems

 "git tbdiff" that lets us compare individual patches in two
 iterations of a topic has been rewritten and made into a built-in
 command.