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In the Git pack protocol definition, an error packet may appear only in
a certain context. However, servers can face a runtime error (e.g. I/O
error) at an arbitrary timing. This patch changes the protocol to allow
an error packet to be sent instead of any packet.
Without this protocol spec change, when a server cannot process a
request, there's no way to tell that to a client. Since the server
cannot produce a valid response, it would be forced to cut a connection
without telling why. With this protocol spec change, the server can be
more gentle in this situation. An old client may see these error packets
as an unexpected packet, but this is not worse than having an unexpected
EOF.
Following this protocol spec change, the error packet handling code is
moved to pkt-line.c. Implementation wise, this implementation uses
pkt-line to communicate with a subprocess. Since this is not a part of
Git protocol, it's possible that a packet that is not supposed to be an
error packet is mistakenly parsed as an error packet. This error packet
handling is enabled only for the Git pack protocol parsing code
considering this.
Signed-off-by: Masaya Suzuki <masayasuzuki@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Git 2.20.1
.gitattributes: ensure t/oid-info/* has eol=lf
t9902: 'send-email' test case requires PERL
t4256: mark support files as LF-only
parse-options: fix SunCC compiler warning
help -a: handle aliases with long names gracefully
help.h: fix coding style
run-command: report exec failure
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* en/rebase-consistency:
rebase docs: fix incorrect format of the section Behavioral Differences
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The text body of section Behavioral Differences is typeset as code,
but should be regular text. Remove the indentation to achieve that.
While here, prettify the language:
- use "the x backend" instead of "x-based rebase";
- use present tense instead of future tense;
and use subsections instead of a list.
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have three double-quote characters, which is one too many or too few.
Dropping the last one seems to match the original intention best.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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I had to read this sentence a few times to understand it. Let's try to
clarify it.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some items that should be in "Performance, Internal Implementation,
Development Support etc." have ended up in "UI, Workflows & Features"
and "Fixes since v2.19". Move them, and do s/uses/use/ while at it.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git diff --raw" lost ellipses to adjust the output columns for
some time now, but the documentation still showed them.
* gh/diff-raw-has-no-ellipses:
doc: update diff-format.txt for removed ellipses in --raw
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Doc updates.
* ma/reset-doc-rendering-fix:
git-reset.txt: render literal examples as monospace
git-reset.txt: render tables correctly under Asciidoctor
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Stop leaking how the primary output of format-patch is customized to
the range-diff machinery and instead let the latter use its own
"reasonable default", in order to correct the breakage introduced by
a5170794 ("Merge branch 'ab/range-diff-no-patch'", 2018-11-18) on
the 'master' front. "git format-patch --range-diff..." without any
weird diff option started to include the "range-diff --stat" output,
which is rather useless right now, that made the whole thing
unusable and this is probably the least disruptive way to whip the
codebase into a shippable shape.
We may want to later make the range-diff driven by format-patch more
configurable, but that would have to wait until we have a good
design.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Large parts of this document do not use `backticks` around literal
examples such as branch names (`topic/wip`), git usages, `HEAD` and
`<commit-ish>` so they render as ordinary text. Fix that.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Asciidoctor removes the indentation of each line in these tables, so the
last lines of each table have a completely broken alignment.
Similar to 379805051d ("Documentation: render revisions correctly under
Asciidoctor", 2018-05-06), use an explicit literal block to indicate
that we want to keep the leading whitespace in the tables.
Because this gives us some extra indentation, we can remove the one that
we have been carrying explicitly. That is, drop the first six spaces of
indentation on each line. With Asciidoc (8.6.10), this results in
identical rendering before and after this commit, both for git-reset.1
and git-reset.html.
Reported-by: Paweł Samoraj <samoraj.pawel@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 7cb6ac1e4b ("diff: diff_aligned_abbrev: remove ellipsis after
abbreviated SHA-1 value", 2017-12-03), the "--raw" format of diff
does not add ellipses in an attempt to align the output, but the
documentation was not updated to reflect this.
Signed-off-by: Greg Hurrell <greg@hurrell.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Belated documentation update to adjust to a new world order that
happened a yew years ago.
* uk/merge-subtree-doc-update:
howto/using-merge-subtree: mention --allow-unrelated-histories
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Doc updates.
* ah/doc-updates:
doc: fix formatting in git-update-ref
doc: fix indentation of listing blocks in gitweb.conf.txt
doc: fix descripion for 'git tag --format'
doc: fix inappropriate monospace formatting
doc: fix ASCII art tab spacing
doc: clarify boundaries of 'git worktree list --porcelain'
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Docfix.
* sg/doc-show-branch-typofix:
doc: fix small typo in git show-branch
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Doc update.
* mm/doc-no-dashed-git:
doc: fix a typo and clarify a sentence
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Doc update.
* jc/how-to-document-api:
CodingGuidelines: document the API in *.h files
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Typofixes.
* mw/doc-typofixes:
docs: typo: s/isimilar/similar/
docs: graph: remove unnecessary `graph_update()' call
docs: typo: s/go/to/
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Doc update.
* ma/mailing-list-address-in-git-help:
git doc: direct bug reporters to mailing list archive
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Doc update.
* nd/packobjectshook-doc-fix:
config.txt: correct the note about uploadpack.packObjectsHook
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Doc update.
* ma/commit-graph-docs:
Doc: refer to the "commit-graph file" with dash
git-commit-graph.txt: refer to "*commit*-graph file"
git-commit-graph.txt: typeset more in monospace
git-commit-graph.txt: fix bullet lists
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Doc update.
* dz/credential-doc-url-matching-rules:
doc: clarify gitcredentials path component matching
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Doc updates.
* fe/doc-updates:
git-describe.1: clarify that "human readable" is also git-readable
git-column.1: clarify initial description, provide examples
git-archimport.1: specify what kind of Arch we're talking about
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Doc fix.
* bw/protocol-v2:
config: document value 2 for protocol.version
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Docfix.
* sg/doc-trace-appends:
Documentation/git.txt: clarify that GIT_TRACE=/path appends
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Build tweak.
* ts/doc-build-manpage-xsl-quietly:
Documentation/Makefile: make manpage-base-url.xsl generation quieter
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Operations on promisor objects make sense in the context of only a
small subset of the commands that internally use the revisions
machinery, but the "--exclude-promisor-objects" option were taken
and led to nonsense results by commands like "log", to which it
didn't make much sense. This has been corrected.
* md/exclude-promisor-objects-fix:
exclude-promisor-objects: declare when option is allowed
Documentation/git-log.txt: do not show --exclude-promisor-objects
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The recently introduced commit-graph auxiliary data is incompatible
with mechanisms such as replace & grafts that "breaks" immutable
nature of the object reference relationship. Disable optimizations
based on its use (and updating existing commit-graph) when these
incompatible features are in use in the repository.
* ds/commit-graph-with-grafts:
commit-graph: close_commit_graph before shallow walk
commit-graph: not compatible with uninitialized repo
commit-graph: not compatible with grafts
commit-graph: not compatible with replace objects
test-repository: properly init repo
commit-graph: update design document
refs.c: upgrade for_each_replace_ref to be a each_repo_ref_fn callback
refs.c: migrate internal ref iteration to pass thru repository argument
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"git update-ref" learned to make both "--no-deref" and "--stdin"
work at the same time.
* en/update-ref-no-deref-stdin:
update-ref: allow --no-deref with --stdin
update-ref: fix type of update_flags variable to match its usage
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"git interpret-trailers" and its underlying machinery had a buggy
code that attempted to ignore patch text after commit log message,
which triggered in various codepaths that will always get the log
message alone and never get such an input.
* jk/trailer-fixes:
append_signoff: use size_t for string offsets
sequencer: ignore "---" divider when parsing trailers
pretty, ref-filter: format %(trailers) with no_divider option
interpret-trailers: allow suppressing "---" divider
interpret-trailers: tighten check for "---" patch boundary
trailer: pass process_trailer_opts to trailer_info_get()
trailer: use size_t for iterating trailer list
trailer: use size_t for string offsets
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A documentation page that is referred to by other pages was not
built by mistake, which has been corrected.
* tz/build-tech-midx-doc:
Documentation: build technical/multi-pack-index
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If a user explicitly sets
[index]
threads = true
to read the index using multiple threads, ensure that index writes
include the offset table by default to make that possible. This
ensures that the user's intent of turning on threading is respected.
In other words, permit the following configurations:
- index.threads and index.recordOffsetTable unspecified: do not write
the offset table yet (to avoid alarming the user with "ignoring IEOT
extension" messages when an older version of Git accesses the
repository) but do make use of multiple threads to read the index if
the supporting offset table is present.
This can also be requested explicitly by setting index.threads=true,
0, or >1 and index.recordOffsetTable=false.
- index.threads=false or 1: do not write the offset table, and do not
make use of the offset table.
One can set index.recordOffsetTable=false as well, to be more
explicit.
- index.threads=true, 0, or >1 and index.recordOffsetTable unspecified:
write the offset table and make use of threads at read time.
This can also be requested by setting index.threads=true, 0, >1, or
unspecified and index.recordOffsetTable=true.
Fortunately the complication is temporary: once most Git installations
have upgraded to a version with support for the IEOT and EOIE
extensions, we can flip the defaults for index.recordEndOfIndexEntries
and index.recordOffsetTable to true and eliminate the settings.
Helped-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The git-multi-pack-index doc links to technical/multi-pack-index.html.
Ensure it is built to prevent a broken link.
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As with EOIE, popular versions of Git do not support the new IEOT
extension yet. When accessing a Git repository written by a more
modern version of Git, they correctly ignore the unrecognized section,
but in the process they loudly warn
ignoring IEOT extension
resulting in confusion for users. Introduce the index extension more
gently by not writing it yet in this first version with support for
it. Soon, once sufficiently many users are running a modern version
of Git, we can flip the default so users benefit from this index
extension by default.
Introduce a '[index] recordOffsetTable' configuration variable to
control whether the new index extension is written.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 3b1d9e04 (eoie: add End of Index Entry (EOIE) extension,
2018-10-10) Git defaults to writing the new EOIE section when writing
out an index file. Usually that is a good thing because it improves
threaded performance, but when a Git repository is shared with older
versions of Git, it produces a confusing warning:
$ git status
ignoring EOIE extension
HEAD detached at 371ed0defa
nothing to commit, working tree clean
Let's introduce the new index extension more gently. First we'll roll
out the new version of Git that understands it, and then once
sufficiently many users are using such a version, we can flip the
default to writing it by default.
Introduce a '[index] recordEndOfIndexEntries' configuration variable
to allow interested users to benefit from this index extension early.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the title, we should state for which version this release notes
document is about.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The recently merged "rebase in C" has an escape hatch to use the
scripted version when necessary, but it hasn't been documented,
which has been corrected.
* ab/rebase-in-c-escape-hatch:
tests: add a special setup where rebase.useBuiltin is off
rebase doc: document rebase.useBuiltin
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Doc update.
* nd/doc-extensions:
doc: move extensions.worktreeConfig to the right place
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The "--no-patch" option, which can be used to get a high-level
overview without the actual line-by-line patch difference shown, of
the "range-diff" command was earlier broken, which has been
corrected.
* ab/range-diff-no-patch:
range-diff: make diff option behavior (e.g. --stat) consistent
range-diff: fix regression in passing along diff options
range-diff doc: add a section about output stability
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Various functions have been audited for "-Wunused-parameter" warnings
and bugs in them got fixed.
* jk/unused-parameter-fixes:
midx: double-check large object write loop
assert NOARG/NONEG behavior of parse-options callbacks
parse-options: drop OPT_DATE()
apply: return -1 from option callback instead of calling exit(1)
cat-file: report an error on multiple --batch options
tag: mark "--message" option with NONEG
show-branch: mark --reflog option as NONEG
format-patch: mark "--no-numbered" option with NONEG
status: mark --find-renames option with NONEG
cat-file: mark batch options with NONEG
pack-objects: mark index-version option as NONEG
ls-files: mark exclude options as NONEG
am: handle --no-patch-format option
apply: mark include/exclude options as NONEG
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The rebase.useBuiltin variable introduced in 55071ea248 ("rebase:
start implementing it as a builtin", 2018-08-07) was turned on by
default in 5541bd5b8f ("rebase: default to using the builtin rebase",
2018-08-08), but had no documentation.
Let's document it so that users who run into any stability issues with
the C rewrite know there's an escape hatch[1], and make it clear that
needing to turn off builtin rebase means you've found a bug in git.
1. https://public-inbox.org/git/87y39w1wc2.fsf@evledraar.gmail.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Masaya Suzuki
Junio C Hamano
Johannes Sixt
Martin Ågren
Greg Hurrell
Jonathan Nieder
Todd Zullinger
Ævar Arnfjörð Bjarmason