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A new "pre-merge-commit" hook has been introduced.
* js/pre-merge-commit-hook:
merge: --no-verify to bypass pre-merge-commit hook
git-merge: honor pre-merge-commit hook
merge: do no-verify like commit
t7503: verify proper hook execution
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"git rebase --rebase-merges" learned to drive different merge
strategies and pass strategy specific options to them.
* js/rebase-r-strategy:
t3427: accelerate this test by using fast-export and fast-import
rebase -r: do not (re-)generate root commits with `--root` *and* `--onto`
t3418: test `rebase -r` with merge strategies
t/lib-rebase: prepare for testing `git rebase --rebase-merges`
rebase -r: support merge strategies other than `recursive`
t3427: fix another incorrect assumption
t3427: accommodate for the `rebase --merge` backend having been replaced
t3427: fix erroneous assumption
t3427: condense the unnecessarily repetitive test cases into three
t3427: move the `filter-branch` invocation into the `setup` case
t3427: simplify the `setup` test case significantly
t3427: add a clarifying comment
rebase: fold git-rebase--common into the -p backend
sequencer: the `am` and `rebase--interactive` scripts are gone
.gitignore: there is no longer a built-in `git-rebase--interactive`
t3400: stop referring to the scripted rebase
Drop unused git-rebase--am.sh
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Device-tree files learned their own userdiff patterns.
* sb/userdiff-dts:
userdiff: add a builtin pattern for dts files
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"git fetch" learned "--set-upstream" option to help those who first
clone from their private fork they intend to push to, add the true
upstream via "git remote add" and then "git fetch" from it.
* cb/fetch-set-upstream:
pull, fetch: add --set-upstream option
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Typofix.
* bm/repository-layout-typofix:
repository-layout.txt: correct pluralization of 'object'
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We promoted the "indent heuristics" that decides where to split
diff hunks from experimental to the default a few years ago, but
some stale documentation still marked it as experimental, which has
been corrected.
* sg/diff-indent-heuristic-non-experimental:
diff: 'diff.indentHeuristic' is no longer experimental
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A mechanism to affect the default setting for a (related) group of
configuration variables is introduced.
* ds/feature-macros:
repo-settings: create feature.experimental setting
repo-settings: create feature.manyFiles setting
repo-settings: parse core.untrackedCache
commit-graph: turn on commit-graph by default
t6501: use 'git gc' in quiet mode
repo-settings: consolidate some config settings
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The command line parser learned "--end-of-options" notation; the
standard convention for scripters to have hardcoded set of options
first on the command line, and force the command to treat end-user
input as non-options, has been to use "--" as the delimiter, but
that would not work for commands that use "--" as a delimiter
between revs and pathspec.
* jk/eoo:
gitcli: document --end-of-options
parse-options: allow --end-of-options as a synonym for "--"
revision: allow --end-of-options to end option parsing
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc update.
* en/fast-import-merge-doc:
git-fast-import.txt: clarify that multiple merge commits are allowed
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Codepaths to walk tree objects have been audited for integer
overflows and hardened.
* jk/tree-walk-overflow:
tree-walk: harden make_traverse_path() length computations
tree-walk: add a strbuf wrapper for make_traverse_path()
tree-walk: accept a raw length for traverse_path_len()
tree-walk: use size_t consistently
tree-walk: drop oid from traverse_info
setup_traverse_info(): stop copying oid
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The Linux kernel receives many patches to the devicetree files each
release. The hunk header for those patches typically show nothing,
making it difficult to figure out what node is being modified without
applying the patch or opening the file and seeking to the context. Let's
add a builtin 'dts' pattern to git so that users can get better diff
output on dts files when they use the diff=dts driver.
The regex has been constructed based on the spec at devicetree.org[1]
and with some help from Johannes Sixt.
[1] https://github.com/devicetree-org/devicetree-specification/releases/latest
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the description of 'objects/pack', 'object' should be
pluralized to match the subject and agree with the
rest of the sentence.
Signed-off-by: Ben Milman <bpmilman@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the --set-upstream option to git pull/fetch
which lets the user set the upstream configuration
(branch.<current-branch-name>.merge and
branch.<current-branch-name>.remote) for the current branch.
A typical use-case is:
git clone http://example.com/my-public-fork
git remote add main http://example.com/project-main-repo
git pull --set-upstream main master
or, instead of the last line:
git fetch --set-upstream main master
git merge # or git rebase
This is mostly equivalent to cloning project-main-repo (which sets
upsteam) and then "git remote add" my-public-fork, but may feel more
natural for people using a hosting system which allows forking from
the web UI.
This functionality is analog to "git push --set-upstream".
Signed-off-by: Corentin BOMPARD <corentin.bompard@etu.univ-lyon1.fr>
Signed-off-by: Nathan BERBEZIER <nathan.berbezier@etu.univ-lyon1.fr>
Signed-off-by: Pablo CHABANNE <pablo.chabanne@etu.univ-lyon1.fr>
Signed-off-by: Matthieu Moy <git@matthieu-moy.fr>
Patch-edited-by: Matthieu Moy <git@matthieu-moy.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The indent heuristic started out as experimental, but it's now our
default diff heuristic since 33de716387 (diff: enable indent heuristic
by default, 2017-05-08). Alas, that commit didn't update the
documentation, and the description of the 'diff.indentHeuristic'
configuration variable still implies that it's experimental and not
the default.
Update the description of 'diff.indentHeuristic' to make it clear that
it's the default diff heuristic.
The description of the related '--indent-heuristic' option has already
been updated in bab76141da (diff: --indent-heuristic is no
longer experimental, 2017-10-29).
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'feature.experimental' setting includes config options that are
not committed to become defaults, but could use additional testing.
Update the following config settings to take new defaults, and to
use the repo_settings struct if not already using them:
* 'pack.useSparse=true'
* 'fetch.negotiationAlgorithm=skipping'
In the case of fetch.negotiationAlgorithm, the existing logic
would load the config option only when about to use the setting,
so had a die() statement on an unknown string value. This is
removed as now the config is parsed under prepare_repo_settings().
In general, this die() is probably misplaced and not valuable.
A test was removed that checked this die() statement executed.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The feature.manyFiles setting is suitable for repos with many
files in the working directory. By setting index.version=4 and
core.untrackedCache=true, commands such as 'git status' should
improve.
While adding this setting, modify the index version precedence
tests to check how this setting overrides the default for
index.version is unset.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The commit-graph feature has seen a lot of activity in the past
year or so since it was introduced. The feature is a critical
performance enhancement for medium- to large-sized repos, and
does not significantly hurt small repos.
Change the defaults for core.commitGraph and gc.writeCommitGraph
to true so users benefit from this feature by default.
There are several places in the test suite where the environment
variable GIT_TEST_COMMIT_GRAPH is disabled to avoid reading a
commit-graph, if it exists. The config option overrides the
environment, so swap these. Some GIT_TEST_COMMIT_GRAPH assignments
remain, and those are to avoid writing a commit-graph when a new
commit is created.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The grammar for commits used a '?' rather than a '*' on the `merge`
directive line, despite the fact that the code allows multiple `merge`
directives in order to support n-way merges. In fact, elsewhere in
git-fast-import.txt there is an explicit declaration that "an unlimited
number of `merge` commands per commit are permitted by fast-import".
Fix the grammar to match the intent and implementation.
Reported-by: Joachim Klein <joachim.klein@automata.tools>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Inspired by 21416f0a07 ("restore: fix typo in docs", 2019-08-03), I ran
"git grep -E '(\b[a-zA-Z]+) \1\b' -- Documentation/" to find other cases
where words were duplicated, e.g. "the the", and in most cases removed
one of the repeated words.
There were many false positives by this grep command, including
deliberate repeated words like "really really" or valid uses of "that
that" which I left alone, of course.
I also did not correct any of the legitimate, accidentally repeated
words in old RelNotes.
Signed-off-by: Mark Rushakoff <mark.rushakoff@gmail.com>
Acked-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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Doc update.
* sg/fsck-config-in-doc:
Documentation/git-fsck.txt: include fsck.* config variables
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Docfix.
* nd/switch-and-restore:
restore: fix typo in docs
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Docfix.
* mr/doc-can-not-to-cannot:
doc: typo: s/can not/cannot/ and s/is does/does/
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Analogous to commit, introduce a '--no-verify' option which bypasses the
pre-merge-commit hook. The shorthand '-n' is taken by '--no-stat'
already.
[js: * reworded commit message to reflect current state of --no-stat flag
and new hook name
* fixed flag documentation to reflect new hook name
* cleaned up trailing whitespace
* squashed test changes from the original series' patch 4/4
* modified tests to follow pattern from this series' patch 1/4
* added a test case for --no-verify with non-executable hook
* when testing that the merge hook did not run, make sure we
actually have a merge to perform (by resetting the "side" branch
to its original state).
]
Improved-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Michael J Gruber <git@grubix.eu>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-merge does not honor the pre-commit hook when doing automatic merge
commits, and for compatibility reasons this is going to stay.
Introduce a pre-merge-commit hook which is called for an automatic merge
commit just like pre-commit is called for a non-automatic merge commit
(or any other commit).
[js: * renamed hook from "pre-merge" to "pre-merge-commit"
* only discard the index if the hook is actually present
* expanded githooks documentation entry
* clarified that hook should write messages to stderr
* squashed test changes from the original series' patch 4/4
* modified tests to follow new pattern from this series' patch 1/4
* added a test case for non-executable merge hooks
* added a test case for failed merges
* when testing that the merge hook did not run, make sure we
actually have a merge to perform (by resetting the "side" branch
to its original state).
* reworded commit message
]
Improved-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Michael J Gruber <git@grubix.eu>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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f8b863598c ("builtin/merge: honor commit-msg hook for merges", 2017-09-07)
introduced the no-verify flag to merge for bypassing the commit-msg
hook, though in a different way from the implementation in commit.c.
Change the implementation in merge.c to be the same as in commit.c so
that both do the same in the same way. This also changes the output of
"git merge --help" to be more clear that the hook return code is
respected by default.
[js: * reworded commit message
* squashed documentation changes from original series' patch 3/4
]
Signed-off-by: Michael J Gruber <git@grubix.eu>
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that --end-of-options is available for any users of
setup_revisions() or parse_options(), which should be effectively
everywhere, we can guide people to use it for all their disambiguating
needs.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: William Chargin <wchargin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"Can not" suggests one has the option to not do something, whereas
"cannot" more strongly suggests something is disallowed or impossible.
Noticed "can not", mistakenly used instead of "cannot" in git help
glossary, then ran git grep 'can not' and found many other instances.
Only files in the Documentation folder were modified.
'Can not' also occurs in some source code comments and some test
assertion messages, and there is an error message and translation "can
not move directory into itself" which I may fix and submit separately
from the documentation change.
Also noticed and fixed "is does" in git help fetch, but there are no
other occurrences of that typo according to git grep.
Signed-off-by: Mark Rushakoff <mark.rushakoff@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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Doc update.
* sg/fsck-config-in-doc:
Documentation/git-fsck.txt: include fsck.* config variables
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Hotfix for making "git log" use the mailmap by default.
* jc/log-mailmap-flip-defaults:
log: really flip the --mailmap default
log: flip the --mailmap default unconditionally
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Update the docs, test the interaction between the new default,
configuration and command line option, in addition to actually
flipping the default.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All but one of the callers of make_traverse_path() allocate a new heap
buffer to store the path. Let's give them an easy way to write to a
strbuf, which saves them from computing the length themselves (which is
especially tricky when they want to add to the path). It will also make
it easier for us to change the make_traverse_path() interface in a
future patch to improve its bounds-checking.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix the spelling of the new "--no-show-forced-updates" option that "git
fetch/pull" learned. Similarly, spell "--function-context" correctly and
fix a few typos, grammos and minor mistakes.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
RelNotes/2.21.1: typofix
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Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It turns out that being cautious to warn against upcoming default
change was an unpopular behaviour, and such a care can easily be
defeated by distro packagers to render it ineffective anyway.
Just flip the default, with only a mention in the release notes.
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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We assume that if setup_traverse_info() is passed a non-empty "base"
string, that string is pointing into a tree object and we can read the
object oid by skipping past the trailing NUL.
As it turns out, this is not true for either of the two calls, and we
may end up reading garbage bytes:
1. In git-merge-tree, our base string is either empty (in which case
we'd never run this code), or it comes from our traverse_path()
helper. The latter overallocates a buffer by the_hash_algo->rawsz
bytes, but then fills it with only make_traverse_path(), leaving
those extra bytes uninitialized (but part of a legitimate heap
buffer).
2. In unpack_trees(), we pass o->prefix, which is some arbitrary
string from the caller. In "git read-tree --prefix=foo", for
instance, it will point to the command-line parameter, and we'll
read 20 bytes past the end of the string.
Interestingly, tools like ASan do not detect (2) because the process
argv is part of a big pre-allocated buffer. So we're reading trash, but
it's trash that's probably part of the next argument, or the
environment.
You can convince it to fail by putting something like this at the
beginning of common-main.c's main() function:
{
int i;
for (i = 0; i < argc; i++)
argv[i] = xstrdup_or_null(argv[i]);
}
That puts the arguments into their own heap buffers, so running:
make SANITIZE=address test
will find problems when "read-tree --prefix" is used (e.g., in t3030).
Doubly interesting, even with the hackery above, this does not fail
prior to ea82b2a085 (tree-walk: store object_id in a separate member,
2019-01-15). That commit switched setup_traverse_info() to actually
copying the hash, rather than simply pointing to it. That pointer was
always pointing to garbage memory, but that commit started actually
dereferencing the bytes, which is what triggers ASan.
That also implies that nobody actually cares about reading these oid
bytes anyway (or at least no path covered by our tests). And manual
inspection of the code backs that up (I'll follow this patch with some
cleanups that show definitively this is the case, but they're quite
invasive, so it's worth doing this fix on its own).
So let's drop the bogus hashcpy(), along with the confusing oversizing
in merge-tree.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already support merge strategies in the sequencer, but only for
`pick` commands.
With this commit, we now also support them in `merge` commands. The
approach is simple: if any merge strategy option is specified, or if any
merge strategy other than `recursive` is specified, we simply spawn the
`git merge` command. Otherwise, we handle the merge in-process just as
before.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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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* maint:
Merge fixes made on the 'master' front
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have been trying out a few language features outside c89; the
coding guidelines document did not talk about them and instead had
a blanket ban against them.
* jc/post-c89-rules-doc:
CodingGuidelines: spell out post-C89 rules
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The commit-graph file is now part of the "files that the runtime
may keep open file descriptors on, all of which would need to be
closed when done with the object store", and the file descriptor to
an existing commit-graph file now is closed before "gc" finalizes a
new instance to replace it.
* ds/close-object-store:
packfile: rename close_all_packs to close_object_store
packfile: close commit-graph in close_all_packs
commit-graph: use raw_object_store when closing
commit-graph: extract write_commit_graph_file()
commit-graph: extract copy_oids_to_commits()
commit-graph: extract count_distinct_commits()
commit-graph: extract fill_oids_from_all_packs()
commit-graph: extract fill_oids_from_commit_hex()
commit-graph: extract fill_oids_from_packs()
commit-graph: create write_commit_graph_context
commit-graph: remove Future Work section
commit-graph: collapse parameters into flags
commit-graph: return with errors during write
commit-graph: fix the_repository reference
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The "git clone" documentation refers to command line options in its
description in the short form; they have been replaced with long
forms to make them more recognisable.
* qn/clone-doc-use-long-form:
docs: git-clone: list short form of options first
docs: git-clone: refer to long form of options
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Junio C Hamano
Stephen Boyd
Ben Milman
Corentin BOMPARD
SZEDER Gábor
Derrick Stolee
Elijah Newren
Mark Rushakoff
Michael J Gruber
Michael J Gruber
Jeff King
William Chargin
Martin Ågren
Johannes Schindelin