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The purpose of chainlint.sed is to detect &&-chain breakage only within
subshells (one level deep); it doesn't bother checking for top-level
&&-chain breakage since the &&-chain checker built into t/test-lib.sh
should detect broken &&-chains outside of subshells by making them
magically exit with code 117.
Unfortunately, one of the chainlint.sed self-tests has overly intimate
knowledge of this particular division of responsibilities and only cares
about what chainlint.sed itself will produce, while ignoring the fact
that a more all-encompassing linter would complain about a broken
&&-chain outside the subshell. This makes it difficult to re-use the
test with a more capable chainlint implementation should one ever be
developed. Therefore, adjust the test and its "expected" output to
avoid being specific to the tunnel-vision of this one implementation.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The purpose of chainlint.sed is to detect &&-chain breakage only within
subshells (one level deep); it doesn't bother checking for top-level
&&-chain breakage since the &&-chain checker built into t/test-lib.sh
should detect broken &&-chains outside of subshells by making them
magically exit with code 117. However, this division of labor may not
always be the case if a more capable chainlint implementation is ever
developed. Beyond that, due to being sed-based and due to its use of
heuristics, chainlint.sed has several limitations (such as being unable
to detect &&-chain breakage in subshells more than one level deep since
it only manually emulates recursion into a subshell).
Some of the comments in the chainlint self-tests unnecessarily reflect
the limitations of chainlint.sed even though those limitations are not
what is being tested. Therefore, simplify and generalize the comments to
explain only what is being tested, thus ensuring that they won't become
outdated if a more capable chainlint is ever developed.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The chainlint self-test code snippets are supposed to represent the body
of a test_expect_success() or test_expect_failure(), yet the contents of
a few tests would have caused the shell to report syntax errors had they
been real test bodies due to the mix of single- and double-quotes.
Although chainlint.sed, with its simplistic heuristics, is blind to this
problem, a future more robust chainlint implementation might not have
such a limitation. Therefore, stop mixing quote types haphazardly in
those tests and unify quoting throughout. While at it, drop chunks of
tests which merely repeat what is already tested elsewhere but with
alternative quotes.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The chainlint self-test code snippets are supposed to represent the body
of a test_expect_success() or test_expect_failure(), yet the contents of
these tests would have caused the shell to report syntax errors had they
been real test bodies. Although chainlint.sed, with its simplistic
heuristics, is blind to these syntactic problems, a future more robust
chainlint implementation might not have such a limitation, so make these
snippets syntactically valid.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rebase -x" added an unnecessary 'exec' instructions before
'noop', which has been corrected.
* en/rebase-x-fix:
sequencer: avoid adding exec commands for non-commit creating commands
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The single-key-input mode in "git add -p" had some code to handle
keys that generate a sequence of input via ReadKey(), which did not
handle end-of-file correctly, which has been fixed.
* cb/add-p-single-key-fix:
add -p: avoid use of undefined $key when ReadKey -> EOF
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Build fix on Windows.
* cb/mingw-gmtime-r:
mingw: avoid fallback for {local,gm}time_r()
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The completion script (in contrib/) learns that the "--date"
option of commands from the "git log" family takes "human" and
"auto" as valid values.
* yn/complete-date-format-options:
completion: add human and auto: date format
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When a non-existent program is given as the pager, we tried to
reuse an uninitialized child_process structure and crashed, which
has been fixed.
* em/missing-pager:
pager: fix crash when pager program doesn't exist
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"git submodule deinit" for a submodule whose .git metadata
directory is embedded in its working tree refused to work, until
the submodule gets converted to use the "absorbed" form where the
metadata directory is stored in superproject, and a gitfile at the
top-level of the working tree of the submodule points at it. The
command is taught to convert such submodules to the absorbed form
as needed.
* mp/absorb-submodule-git-dir-upon-deinit:
submodule: absorb git dir instead of dying on deinit
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Weather balloon to break people with compilers that do not support
C99.
* bc/require-c99:
git-compat-util: add a test balloon for C99 support
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A small simplification of API.
* hn/create-reflog-simplify:
refs: drop force_create argument of create_reflog API
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Docfix.
* jt/midx-doc-fix:
Doc: no midx and partial clone relation
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The function to cull a child process and determine the exit status
had two separate code paths for normal callers and callers in a
signal handler, and the latter did not yield correct value when the
child has caught a signal. The handling of the exit status has
been unified for these two code paths. An existing test with
flakiness has also been corrected.
* jk/t7006-sigpipe-tests-fix:
t7006: simplify exit-code checks for sigpipe tests
t7006: clean up SIGPIPE handling in trace2 tests
run-command: unify signal and regular logic for wait_or_whine()
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Workaround for a false-alarm by gcc-11
* jk/refs-g11-workaround:
refs: work around gcc-11 warning with REF_HAVE_NEW
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"git fetch", when received a bad packfile, can fail with SIGPIPE.
This wasn't wrong per-se, but we now detect the situation and fail
in a more predictable way.
* jk/fetch-pack-avoid-sigpipe-to-index-pack:
fetch-pack: ignore SIGPIPE when writing to index-pack
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Comment fix.
* hk/ci-checkwhitespace-commentfix:
ci(check-whitespace): update stale file top comments
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Various operating modes of "git reset" have been made to work
better with the sparse index.
* vd/sparse-reset:
unpack-trees: improve performance of next_cache_entry
reset: make --mixed sparse-aware
reset: make sparse-aware (except --mixed)
reset: integrate with sparse index
reset: expand test coverage for sparse checkouts
sparse-index: update command for expand/collapse test
reset: preserve skip-worktree bit in mixed reset
reset: rename is_missing to !is_in_reset_tree
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Doc mark-up fix.
* tl/midx-docfix:
midx: fix a formatting issue in "multi-pack-index.txt"
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On platforms where ulong is shorter than size_t, code paths that
shifted 1 or 1U to the left lacked the necessary cast to size_t,
which have been corrected.
* po/size-t-for-vs:
object-file.c: LLP64 compatibility, upcast unity for left shift
diffcore-delta.c: LLP64 compatibility, upcast unity for left shift
repack.c: LLP64 compatibility, upcast unity for left shift
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Bitop fix for platforms whose "long" is 32-bit.
* rs/mergesort:
mergesort: avoid left shift overflow
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The advice message given by "git pull" when the user hasn't made a
choice between merge and rebase still said that the merge is the
default, which no longer is the case. This has been corrected.
* ah/advice-pull-has-no-preference-between-rebase-and-merge:
pull: don't say that merge is "the default strategy"
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Leakfix.
* ab/checkout-branch-info-leakfix:
checkout: fix "branch info" memory leaks
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Test fix.
* jk/t5319-midx-corruption-test-deflake:
t5319: corrupt more bytes of the midx checksum
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trace2 error code path fix.
* js/trace2-avoid-recursive-errors:
trace2: disable tr2_dst before warning on write errors
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The code to decode the length of packed object size has been
corrected.
* jt/pack-header-lshift-overflow:
packfile: avoid overflowing shift during decode
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The "merge" subcommand of "git jump" (in contrib/) silently ignored
pathspec and other parameters.
* jk/jump-merge-with-pathspec:
git-jump: pass "merge" arguments to ls-files
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Tighten code for testing pack-bitmap.
* jk/test-bitmap-fix:
test_bitmap_hashes(): handle repository without bitmaps
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Build optimization.
* ab/generate-command-list:
generate-cmdlist.sh: don't parse command-list.txt thrice
generate-cmdlist.sh: replace "grep' invocation with a shell version
generate-cmdlist.sh: do not shell out to "sed"
generate-cmdlist.sh: stop sorting category lines
generate-cmdlist.sh: replace for loop by printf's auto-repeat feature
generate-cmdlist.sh: run "grep | sort", not "sort | grep"
generate-cmdlist.sh: don't call get_categories() from category_list()
generate-cmdlist.sh: spawn fewer processes
generate-cmdlist.sh: trivial whitespace change
command-list.txt: sort with "LC_ALL=C sort"
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"git var GIT_DEFAULT_BRANCH" is a way to see what name is used for
the newly created branch if "git init" is run.
* tw/var-default-branch:
var: add GIT_DEFAULT_BRANCH variable
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The "--date=format:<strftime>" gained a workaround for the lack of
system support for a non-local timezone to handle "%s" placeholder.
* jk/strbuf-addftime-seconds-since-epoch:
strbuf_addftime(): handle "%s" manually
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CI has been taught to catch some Unicode directional formatting
sequence that can be used in certain mischief.
* js/ci-no-directional-formatting:
ci: disallow directional formatting
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Doc update.
* jc/fix-first-object-walk:
docs: add headers in MyFirstObjectWalk
docs: fix places that break compilation in MyFirstObjectWalk
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Redact the path part of packfile URI that appears in the trace output.
* if/redact-packfile-uri:
http-fetch: redact url on die() message
fetch-pack: redact packfile urls in traces
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Doc update.
* ja/doc-cleanup:
init doc: --shared=0xxx does not give umask but perm bits
doc: git-init: clarify file modes in octal.
doc: git-http-push: describe the refs as pattern pairs
doc: uniformize <URL> placeholders' case
doc: use three dots for indicating repetition instead of star
doc: git-ls-files: express options as optional alternatives
doc: use only hyphens as word separators in placeholders
doc: express grammar placeholders between angle brackets
doc: split placeholders as individual tokens
doc: fix git credential synopsis
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Code clean-up to eventually allow information on remotes defined
for an arbitrary repository to be read.
* gc/remote-with-fewer-static-global-variables:
remote: die if branch is not found in repository
remote: remove the_repository->remote_state from static methods
remote: use remote_state parameter internally
remote: move static variables into per-repository struct
t5516: add test case for pushing remote refspecs
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Ensure that the sparseness of the in-core index matches the
index.sparse configuration specified by the repository immediately
after the on-disk index file is read.
* vd/sparse-sparsity-fix-on-read:
sparse-index: update do_read_index to ensure correct sparsity
sparse-index: add ensure_correct_sparsity function
sparse-index: avoid unnecessary cache tree clearing
test-read-cache.c: prepare_repo_settings after config init
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Doc update.
* cw/protocol-v2-doc-fix:
protocol-v2.txt: align delim-pkt spec with usage
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The C99 standard was released in January 1999, now 22 years ago. It
provides a variety of useful features, including variadic arguments for
macros, declarations after statements, designated initializers, and a
wide variety of other useful features, many of which we already use.
We'd like to take advantage of these features, but we want to be
cautious. As far as we know, all major compilers now support C99 or a
later C standard, such as C11 or C17. POSIX has required C99 support as
a requirement for the 2001 revision, so we can safely assume any POSIX
system which we are interested in supporting has C99.
Even MSVC, long a holdout against modern C, now supports both C11 and
C17 with an appropriate update. Moreover, even if people are using an
older version of MSVC on these systems, they will generally need some
implementation of the standard Unix utilities for the testsuite, and GNU
coreutils, the most common option, has required C99 since 2009.
Therefore, we can safely assume that a suitable version of GCC or clang
is available to users even if their version of MSVC is not sufficiently
capable.
Let's add a test balloon to git-compat-util.h to see if anyone is using
an older compiler. We'll add a comment telling people how to enable
this functionality on GCC and Clang, even though modern versions of both
will automatically do the right thing, and ask people still experiencing
a problem to report that to us on the list.
Note that C89 compilers don't provide the __STDC_VERSION__ macro, so we
use a well-known hack of using "- 0". On compilers with this macro, it
doesn't change the value, and on C89 compilers, the macro will be
replaced with nothing, and our value will be 0.
For sparse, we explicitly request the gnu99 style because we've
traditionally taken advantage of some GCC- and clang-specific extensions
when available and we'd like to retain the ability to do that. sparse
also defaults to C89 without it, so things will fail for us if we don't.
Update the cmake configuration to require C11 for MSVC. We do this
because this will make MSVC to use C11, since it does not explicitly
support C99. We do this with a compiler options because setting the
C_STANDARD option does not work in our CI on MSVC and at the moment, we
don't want to require C11 for Unix compilers.
In the Makefile, don't set any compiler flags for the compiler itself,
since on some systems, such as FreeBSD, we actually need C11, and asking
for C99 causes things to fail to compile. The error message should make
it obvious what's going wrong and allow a user to set the appropriate
option when building in the event they're using a Unix compiler that
doesn't support it by default.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Visual Studio reports C4334 "was 64-bit shift intended" warning because
of size miss-match.
Promote unity to the matching type to fit with the assignment.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Visual Studio reports C4334 "was 64-bit shift intended" warning
because of size miss-match.
Promote unity to the matching type to fit with its subsequent operation.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Visual Studio reports C4334 "was 64-bit shift intended" warning
because of size mismatch.
Promote unity to the matching type to fit with the `&` operator.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `--exec <cmd>` is documented as
Append "exec <cmd>" after each line creating a commit in the final
history.
...
If --autosquash is used, "exec" lines will not be appended for the
intermediate commits, and will only appear at the end of each
squash/fixup series.
Unfortunately, it would also add exec commands after non-pick
operations, such as 'no-op', which could be seen for example with
git rebase -i --exec true HEAD
todo_list_add_exec_commands() intent was to insert exec commands after
each logical pick, while trying to consider a chains of fixup and squash
commits to be part of the pick before it. So it would keep an 'insert'
boolean tracking if it had seen a pick or merge, but not write the exec
command until it saw the next non-fixup/squash command. Since that
would make it miss the final exec command, it had some code that would
check whether it still needed to insert one at the end, but instead of a
simple
if (insert)
it had a
if (insert || <condition that is always true>)
That's buggy; as per the docs, we should only add exec commands for
lines that create commits, i.e. only if insert is true. Fix the
conditional.
There was one testcase in the testsuite that we tweak for this change;
it was introduced in 54fd3243da ("rebase -i: reread the todo list if
`exec` touched it", 2017-04-26), and was merely testing that after an
exec had fired that the todo list would be re-read. The test at the
time would have worked given any revision at all, though it would only
work with 'HEAD' as a side-effect of this bug. Since we're fixing this
bug, choose something other than 'HEAD' for that test.
Finally, add a testcase that verifies when we have no commits to pick,
that we get no exec lines in the generated todo list.
Reported-by: Nikita Bobko <nikitabobko@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.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 clean/smudge conversion code path has been prepared to better
work on platforms where ulong is narrower than size_t.
* mc/clean-smudge-with-llp64:
clean/smudge: allow clean filters to process extremely large files
odb: guard against data loss checking out a huge file
git-compat-util: introduce more size_t helpers
odb: teach read_blob_entry to use size_t
t1051: introduce a smudge filter test for extremely large files
test-lib: add prerequisite for 64-bit platforms
test-tool genzeros: generate large amounts of data more efficiently
test-genzeros: allow more than 2G zeros in Windows
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Make a few helper functions unused and then lose them.
* ab/sh-retire-helper-functions:
git-sh-setup: remove "sane_grep", it's not needed anymore
git-sh-setup: remove unused sane_egrep() function
git-instaweb: unconditionally assume that gitweb is mod_perl capable
Makefile: remove $(NO_CURL) from $(SCRIPT_DEFINES)
Makefile: remove $(GIT_VERSION) from $(SCRIPT_DEFINES)
Makefile: move git-SCRIPT-DEFINES adjacent to $(SCRIPT_DEFINES)
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Leakfix.
* tb/plug-pack-bitmap-leaks:
pack-bitmap.c: more aggressively free in free_bitmap_index()
pack-bitmap.c: don't leak type-level bitmaps
midx.c: write MIDX filenames to strbuf
builtin/multi-pack-index.c: don't leak concatenated options
builtin/repack.c: avoid leaking child arguments
builtin/pack-objects.c: don't leak memory via arguments
t/helper/test-read-midx.c: free MIDX within read_midx_file()
midx.c: don't leak MIDX from verify_midx_file
midx.c: clean up chunkfile after reading the MIDX
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The command line complation for "git send-email" options have been
tweaked to make it easier to keep it in sync with the command itself.
* tp/send-email-completion:
send-email docs: add format-patch options
send-email: programmatically generate bash completions
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The compatibility implementation for unsetenv(3) were written to
mimic ancient, non-POSIX, variant seen in an old glibc; it has been
changed to return an integer to match the more modern era.
* jc/unsetenv-returns-an-int:
unsetenv(3) returns int, not void
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Eric Sunshine
Junio C Hamano
brian m. carlson
Philip Oakley
Elijah Newren