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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git multi-pack-index repack" has been taught to honor some
repack.* configuration variables.
* sn/midx-repack-with-config:
multi-pack-index: respect repack.packKeptObjects=false
midx: teach "git multi-pack-index repack" honor "git repack" configurations
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Code cleanup and typofixes
* ds/bloom-cleanup:
completion: offer '--(no-)patch' among 'git log' options
bloom: use num_changes not nr for limit detection
bloom: de-duplicate directory entries
Documentation: changed-path Bloom filters use byte words
bloom: parse commit before computing filters
test-bloom: fix usage typo
bloom: fix whitespace around tab length
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Doc update.
* jc/codingstyle-compare-with-null:
CodingGuidelines: do not ==/!= compare with 0 or '\0' or NULL
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"git bugreport" learned to report enabled hooks in the repository.
* es/bugreport-with-hooks:
bugreport: collect list of populated hooks
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Random bits of FAQ.
* ss/faq-fetch-pull:
gitfaq: fetching and pulling a repository
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Random bits of FAQ.
* ss/faq-ignore:
gitfaq: files in .gitignore are tracked
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Minor in-code comments and documentation updates around credential
API.
* cb/credential-doc-fixes:
credential: document protocol updates
credential: update gitcredentials documentation
credential: correct order of parameters for credential_match
credential: update description for credential_from_url_gently
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In Documentation/technical/commit-graph-format.txt, the definition
of the BIDX chunk specifies the length is a number of 8-byte words.
During development we discovered that using 8-byte words in the
Murmur3 hash algorithm causes issues with big-endian versus little-
endian machines. Thus, the hash algorithm was adapted to work on a
byte-by-byte basis. However, this caused a change in the definition
of a "word" in bloom.h. Now, a "word" is a single byte, which allows
filters to be as small as two bytes. These length-two filters are
demonstrated in t0095-bloom.sh, and a larger filter of length 25 is
demonstrated as well.
The original point of using 8-byte words was for alignment reasons.
It also presented opportunities for extremely sparse Bloom filters
when there were a small number of changes at a commit, creating a
very low false-positive rate. However, modifying the format at this
point is unlikely to be a valuable exercise. Also, this use of
single-byte granularity does present opportunities to save space.
It is unclear if 8-byte alignment of the filters would present any
meaningful performance benefits.
Modify the format document to reflect reality.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When selecting a batch of pack-files to repack in the "git
multi-pack-index repack" command, Git should respect the
repack.packKeptObjects config option. When false, this option says that
the pack-files with an associated ".keep" file should not be repacked.
This config value is "false" by default.
There are two cases for selecting a batch of objects. The first is the
case where the input batch-size is zero, which specifies "repack
everything". The second is with a non-zero batch size, which selects
pack-files using a greedy selection criteria. Both of these cases are
updated and tested.
Reported-by: Son Luong Ngoc <sluongng@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.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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Doc update.
* bc/doc-credential-helper-value:
docs: document credential.helper allowed values
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Doc update.
* dl/doc-stash-remove-mention-of-reflog:
Doc: reference the "stash list" in autostash docs
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"git restore --staged --worktree" now defaults to take the contents
out of "HEAD", instead of erring out.
* es/restore-staged-from-head-by-default:
restore: default to HEAD when combining --staged and --worktree
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The coding guideline for shell scripts instructed to refer to a
variable with dollar-sign inside arithmetic expansion to work
around a bug in old versions of dash, which is a thing of the past.
Now we are not forbidden from writing $((var+1)).
* jk/arith-expansion-coding-guidelines:
CodingGuidelines: drop arithmetic expansion advice to use "$x"
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The samples in the credential documentation has been updated to
make it clear that we depict what would appear in the .git/config
file, by adding appropriate quotes as needed..
* jk/credential-sample-update:
gitcredentials(7): make shell-snippet example more realistic
gitcredentials(7): clarify quoting of helper examples
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The userdiff patterns for Markdown documents have been added.
* ah/userdiff-markdown:
userdiff: support Markdown
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With the recent tightening of the code that is used to parse
various parts of a URL for use in the credential subsystem, a
hand-edited credential-store file causes the credential helper to
die, which is a bit too harsh to the users. Demote the error
behaviour to just ignore and keep using well-formed lines instead.
* cb/credential-store-ignore-bogus-lines:
credential-store: ignore bogus lines from store file
credential-store: document the file format a bit more
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Occasionally a failure a user is seeing may be related to a specific
hook which is being run, perhaps without the user realizing. While the
contents of hooks can be sensitive - containing user data or process
information specific to the user's organization - simply knowing that a
hook is being run at a certain stage can help us to understand whether
something is going wrong.
Without a definitive list of hook names within the code, we compile our
own list from the documentation. This is likely prone to bitrot, but
designing a single source of truth for acceptable hooks is too much
overhead for this small change to the bugreport tool.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Document protocol changes after CVE-2020-11008, including the removal of
references to the override of attributes which is no longer recommended
after CVE-2020-5260 and that might be removed in the future.
While at it do some improvements for clarity and consistency.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Clarify the expected effect of all attributes and how the helpers
are expected to handle them and the context where they operate.
While at it, space the descriptions for clarity, and add a paragraph
mentioning the early termination in the list processing of helpers,
to complement the one about the special "quit" attribute.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add an issue in 'Common Issues' section which addresses the confusion
between performing a 'fetch' and a 'pull'.
Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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gitcredentials(7) already mentions several possible invocations that one
can use as the value for credential.helper. However, many people are
not aware that there are other options than a simple credential helper
name, so let's place some explanatory text in the documentation for
credential.helper as well.
We still refer the user to gitcredential(7) for additional explanations
and helpful examples.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add issue in 'Common Issues' section which addresses the problem of
Git tracking files/paths mentioned in '.gitignore'.
Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In documentation pertaining to autostash behavior, we refer to the
"stash reflog". This description is too low-level as the reflog refers
to an implementation detail of how the stash works and, for end-users,
they do not need to be aware of this at all.
Change references of "stash reflog" to "stash list", which should
provide more accessible terminology for end-users.
Signed-off-by: Denton Liu <liu.denton@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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The approxidate parser learns to parse seconds with fraction.
* dd/iso-8601-updates:
date.c: allow compact version of ISO-8601 datetime
date.c: skip fractional second part of ISO-8601
date.c: validate and set time in a helper function
date.c: s/is_date/set_date/
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By default, files are restored from the index for --worktree, and from
HEAD for --staged. When --worktree and --staged are combined, --source
must be specified to disambiguate the restore source[1], thus making it
cumbersome to restore a file in both the worktree and the index.
However, HEAD is also a reasonable default for --worktree when combined
with --staged, so make it the default anytime --staged is used (whether
combined with --worktree or not).
[1]: Due to an oversight, the --source requirement, though documented,
is not actually enforced.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The advice to use "$x" rather than "x" in arithmetric expansion was
working around a dash bug fixed in 0.5.4. Even Debian oldstable has
0.5.8 these days. And in the meantime, we've added almost two dozen
instances of the "x" form which you can find with:
git grep '$(([a-z]'
and nobody seems to have complained. Let's declare this workaround
obsolete and simplify our style guide.
Helped-by: Danh Doan <congdanhqx@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's typical to find Markdown documentation alongside source code, and
having better context for documentation changes is useful; see also
commit 69f9c87d4 (userdiff: add support for Fountain documents,
2015-07-21).
The pattern is based on the CommonMark specification 0.29, section 4.2
<https://spec.commonmark.org/> but doesn't match empty headings, as
seeing them in a hunk header is unlikely to be useful.
Only ATX headings are supported, as detecting setext headings would
require printing the line before a pattern matches, or matching a
multiline pattern. The word-diff pattern is the same as the pattern for
HTML, because many Markdown parsers accept inline HTML.
Signed-off-by: Ash Holland <ash@sorrel.sh>
Acked-by: Johannes Sixt <j6t@kdbg.org>
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 "bugreport" tool.
* es/bugreport:
bugreport: drop extraneous includes
bugreport: add compiler info
bugreport: add uname info
bugreport: gather git version and build info
bugreport: add tool to generate debugging info
help: move list_config_help to builtin/help
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Incompatible options "--root" and "--fork-point" of "git rebase"
have been marked and documented as being incompatible.
* en/rebase-root-and-fork-point-are-incompatible:
rebase: display an error if --root and --fork-point are both provided
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Docfix.
* mt/doc-worktree-ref:
config doc: fix reference to config.worktree info
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Introduce an extension to the commit-graph to make it efficient to
check for the paths that were modified at each commit using Bloom
filters.
* gs/commit-graph-path-filter:
bloom: ignore renames when computing changed paths
commit-graph: add GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS test flag
t4216: add end to end tests for git log with Bloom filters
revision.c: add trace2 stats around Bloom filter usage
revision.c: use Bloom filters to speed up path based revision walks
commit-graph: add --changed-paths option to write subcommand
commit-graph: reuse existing Bloom filters during write
commit-graph: write Bloom filters to commit graph file
commit-graph: examine commits by generation number
commit-graph: examine changed-path objects in pack order
commit-graph: compute Bloom filters for changed paths
diff: halt tree-diff early after max_changes
bloom.c: core Bloom filter implementation for changed paths.
bloom.c: introduce core Bloom filter constructs
bloom.c: add the murmur3 hash implementation
commit-graph: define and use MAX_NUM_CHUNKS
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"git commit-graph write" learned different ways to write out split
files.
* tb/commit-graph-split-strategy:
Revert "commit-graph.c: introduce '--[no-]check-oids'"
commit-graph.c: introduce '--[no-]check-oids'
commit-graph.h: replace 'commit_hex' with 'commits'
oidset: introduce 'oidset_size'
builtin/commit-graph.c: introduce split strategy 'replace'
builtin/commit-graph.c: introduce split strategy 'no-merge'
builtin/commit-graph.c: support for '--split[=<strategy>]'
t/helper/test-read-graph.c: support commit-graph chains
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There's an example of using your own bit of shell to act as a credential
helper, but it's not very realistic:
- It's stupid to hand out your secret password to _every_ host. In the
real world you'd use the config-matcher to limit it to a particular
host.
- We never provided a username. We can easily do that in another config
option (you can do it in the helper, too, but this is much more
readable).
- We were sending the secret even for store/erase operations. This
is OK because Git would just ignore it, but a real system would
probably be unlocking a password store, which you wouldn't want to do
more than necessary.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We give several helper config examples, but don't make clear that these
are raw values. It's up to the user to add the appropriate quoting to
put them into a config file (either by running with "git config" and
quoting against the shell, or by adding double-quotes as appropriate
within the git-config file).
Let's flesh them out as full config blocks, which makes the syntax more
clear (and makes it possible for people to just cut-and-paste them as a
starting point). I added double-quotes to any values larger than a
single word. That isn't strictly necessary in all cases, but it
sidesteps explaining the rules about exactly when you need to quote a
value.
The existing quotes can be converted to single-quotes in one instance,
and backslash-esccaped in the other. I also swapped out backticks for
our preferred $().
Reported-by: douglas.fuller@gmail.com
Signed-off-by: Jeff King <peff@peff.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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"git update-ref --stdin" learned a handful of new verbs to let the
user control ref update transactions more explicitly, which helps
as an ingredient to implement two-phase commit-style atomic
ref-updates across multiple repositories.
* ps/transactional-update-ref-stdin:
update-ref: implement interactive transaction handling
update-ref: read commands in a line-wise fashion
update-ref: move transaction handling into `update_refs_stdin()`
update-ref: pass end pointer instead of strbuf
update-ref: drop unused argument for `parse_refname`
update-ref: organize commands in an array
strbuf: provide function to append whole lines
git-update-ref.txt: add missing word
refs: fix segfault when aborting empty transaction
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"sparse-checkout" UI improvements.
* en/sparse-checkout:
sparse-checkout: provide a new reapply subcommand
unpack-trees: failure to set SKIP_WORKTREE bits always just a warning
unpack-trees: provide warnings on sparse updates for unmerged paths too
unpack-trees: make sparse path messages sound like warnings
unpack-trees: split display_error_msgs() into two
unpack-trees: rename ERROR_* fields meant for warnings to WARNING_*
unpack-trees: move ERROR_WOULD_LOSE_SUBMODULE earlier
sparse-checkout: use improved unpack_trees porcelain messages
sparse-checkout: use new update_sparsity() function
unpack-trees: add a new update_sparsity() function
unpack-trees: pull sparse-checkout pattern reading into a new function
unpack-trees: do not mark a dirty path with SKIP_WORKTREE
unpack-trees: allow check_updates() to work on a different index
t1091: make some tests a little more defensive against failures
unpack-trees: simplify pattern_list freeing
unpack-trees: simplify verify_absent_sparse()
unpack-trees: remove unused error type
unpack-trees: fix minor typo in comment
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The stash entry created by "git rebase --autosquash" to keep the
initial dirty state were discarded by mistake upon "git rebase
--quit", which has been corrected.
* dl/merge-autostash-rebase-quit-fix:
rebase: save autostash entry into stash reflog on --quit
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"git merge" learns the "--autostash" option.
* dl/merge-autostash: (22 commits)
pull: pass --autostash to merge
t5520: make test_pull_autostash() accept expect_parent_num
merge: teach --autostash option
sequencer: implement apply_autostash_oid()
sequencer: implement save_autostash()
sequencer: unlink autostash in apply_autostash()
sequencer: extract perform_autostash() from rebase
rebase: generify create_autostash()
rebase: extract create_autostash()
reset: extract reset_head() from rebase
rebase: generify reset_head()
rebase: use apply_autostash() from sequencer.c
sequencer: rename stash_sha1 to stash_oid
sequencer: make apply_autostash() accept a path
rebase: use read_oneliner()
sequencer: make read_oneliner() extern
sequencer: configurably warn on non-existent files
sequencer: make read_oneliner() accept flags
sequencer: make file exists check more efficient
sequencer: stop leaking buf
...
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This reverts commit 7a9ce0269bc0f4ef230f930b3910b70ac3142552,
which has not yet gained consensus.
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Reading a malformed credential URL line and silently ignoring it
does not mean that we support empty lines and/or "# commented" lines
forever. We should document it to avoid confusion.
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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Those fetching over protocol v2 from linux-next and other kernel
repositories are reporting that v2 often fetches way too much than
needed.
* jn/demote-proto2-from-default:
Revert "fetch: default to protocol version 2"
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Docfix.
* ms/doc-revision-illustration-fix:
docs: fix minor glitch in illustration
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Junio C Hamano
Derrick Stolee
Emily Shaffer
Carlo Marcelo Arenas Belón
Shourya Shukla
brian m. carlson
Denton Liu
Eric Sunshine
Jeff King
Ash Holland