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The t/README file now gives a hint on running individual tests in
the "t/" directory with "make t<num>-*.sh t<num>-*.sh".
* pb/test-scripts-are-build-targets:
t/README: mention test files are make targets
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Documentation updates.
* ds/grep-doc-updates:
grep docs: describe --no-index further and improve formatting a bit
grep docs: describe --recurse-submodules further and improve formatting a bit
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Error message clarification.
* az/grep-group-error-message-update:
grep: improve errors for unmatched ( and )
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Introduce an experimental protocol for contributors to propose the
topic description to be used in the "What's cooking" report, the
merge commit message for the topic, and in the release notes and
document it in the SubmittingPatches document.
* jc/release-notes-entry-experiment:
SubmittingPatches: release-notes entry experiment
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The implementation and documentation of "object-format" option
exchange between the Git itself and its remote helpers did not
quite match, which has been corrected.
* jk/remote-helper-object-format-option-fix:
transport-helper: send "true" value for object-format option
transport-helper: drop "object-format <algo>" option
transport-helper: use write helpers more consistently
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There are a handful of related test breakages which are found when
running t/t7700-repack.sh with GIT_TEST_MULTI_PACK_INDEX set to "1" in
your environment.
Both test failures are the result of something like:
git repack --write-midx --write-bitmap-index [...] &&
test_path_is_file $midx &&
test_path_is_file $midx-$(midx_checksum $objdir).bitmap
, where we repack instructing Git to write a new MIDX and corresponding
MIDX bitamp.
The error occurs when GIT_TEST_MULTI_PACK_INDEX=1 is found in the
enviornment. This causes Git to write out a second MIDX (after
processing the builtin's `--write-midx` argument) which is identical to
the first, but does not request a bitmap (since we did not set the
GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP variable in the environment).
Since c528e179662 (pack-bitmap: write multi-pack bitmaps, 2021-08-31),
the MIDX machinery will drop an existing MIDX bitmap when rewriting an
identical MIDX which does not itself request a corresponding bitmap,
which is similar to the way repack itself behaves in the pack-bitmap
case.
Correct these issues (which date back to [1] and [2], respectively) by
explicitly setting GIT_TEST_MULTI_PACK_INDEX to zero before running each
command.
In the future, we should consider removing GIT_TEST_MULTI_PACK_INDEX,
and in general clean up unused GIT_TEST_-variables. But that is a larger
effort, and this ensures that we can cleanly run:
$ GIT_TEST_MULTI_PACK_INDEX=1 make test
in the meantime.
[1]: 324efc90d1b (builtin/repack.c: pass `--refs-snapshot` when writing
bitmaps, 2021-10-01)
[2]: 197443e80ab (repack: don't remove .keep packs with
`--pack-kept-objects`, 2022-10-17).
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When searching over restart points in a block we decode the key of each
of the records, which results in a memory allocation. This is quite
pointless though given that records it restart points will never use
prefix compression and thus store their keys verbatim in the block.
Refactor the code so that we can avoid decoding the keys, which saves us
some allocations.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're about to refactor the binary search over restart points so that it
does not need to fully decode the record keys anymore. To do so we will
need to decode the record key lengths, which is non-trivial logic.
Extract the logic to decode these lengths from `refatble_decode_key()`
so that we can reuse it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When doing the binary search over restart points in a block we need to
decode the record keys. This decoding step can result in an error when
the block is corrupted, which we indicate to the caller of the binary
search by setting `args.error = 1`. But the only caller that exists
mishandles this because it in fact performs the error check before
calling `binsearch()`.
Fix this bug by checking for errors at the right point in time.
Furthermore, refactor `binsearch()` so that it aborts the search in case
the callback function returns a negative value so that we don't
needlessly continue to search the block.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When seeking a record in our block reader we perform a binary search
over the block's restart points so that we don't have to do a linear
scan over the whole block. The logic to do so is quite intricate though,
which makes it hard to understand.
Improve documentation and rename some of the functions and variables so
that the code becomes easier to understand overall. This refactoring
should not result in any change in behaviour.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is comparatively hard to understand how exactly the binary search
over refnames works given that the function and variable names are not
exactly easy to grasp. Rename them to make this more obvious. This
should not result in any change in behaviour.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `binsearch()` test is somewhat weird in that it doesn't explicitly
spell out its expectations. Instead it does so in a rather ad-hoc way
with some hard-to-understand computations.
Refactor the test to spell out the needle as well as expected index for
all testcases. This refactoring highlights that the `binsearch_func()`
is written somewhat weirdly to find the first integer smaller than the
needle, not smaller or equal to it. Adjust the function accordingly.
While at it, rename the callback function to better convey its meaning.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `binsearch()` function can be used to find the first element for
which a callback functions returns a truish value. But while the array
size is of type `size_t`, the function in fact returns an `int` that is
supposed to index into that array.
Fix the function signature to return a `size_t`. This conversion does
not change any semantics given that the function would only ever return
a value in the range `[0, sz]` anyway.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test names like "basic" are mentioned seven times in the code (ignoring
case): Twice when defining the input and result macros, thrice when
defining the test function, and twice again when calling it. Reduce
that to a single time by using compound literals to pass the input and
result arrays via TEST_INPUT to test_prio_queue().
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our documentation claims we support curl versions back to 7.19.5. But we
can no longer compile with that version since adding an unconditional
use of CURLOPT_RESOLVE in 511cfd3bff (http: add custom hostname to IP
address resolutions, 2022-05-16). That feature wasn't added to libcurl
until 7.21.3.
We could add #ifdefs to make this work back to 7.19.5. But given that
nobody noticed the compilation failure in the intervening two years, it
makes more sense to bump the version in the documentation to 7.21.3
(which is itself over 13 years old).
We could perhaps go forward even more (which would let us drop some
cruft from git-curl-compat.h), but this should be an obviously safe
jump, and we can move forward later.
Note that user-visible syntax for CURLOPT_RESOLVE has grown new features
in subsequent curl versions. Our documentation mentions "+" and "-"
entries, which require more recent versions than 7.21.3. We could
perhaps clarify that in our docs, but it's probably not worth cluttering
them with restrictions of ancient curl versions.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In get_active_slot(), we return a CURL handle that may have been used
before (reusing them is good because it lets curl reuse the same
connection across many requests). We set a few curl options back to
defaults that may have been modified by previous requests.
We reset POSTFIELDS to NULL, but do not reset POSTFIELDSIZE (which
defaults to "-1"). This usually doesn't matter because most POSTs will
set both fields together anyway. But there is one exception: when
handling a large request in remote-curl's post_rpc(), we don't set
_either_, and instead set a READFUNCTION to stream data into libcurl.
This can interact weirdly with a stale POSTFIELDSIZE setting, because
curl will assume it should read only some set number of bytes from our
READFUNCTION. However, it has worked in practice because we also
manually set a "Transfer-Encoding: chunked" header, which libcurl uses
as a clue to set the POSTFIELDSIZE to -1 itself.
So everything works, but we're better off resetting the size manually
for a few reasons:
- there was a regression in curl 8.7.0 where the chunked header
detection didn't kick in, causing any large HTTP requests made by
Git to fail. This has since been fixed (but not yet released). In
the issue, curl folks recommended setting it explicitly to -1:
https://github.com/curl/curl/issues/13229#issuecomment-2029826058
and it indeed works around the regression. So even though it won't
be strictly necessary after the fix there, this will help folks who
end up using the affected libcurl versions.
- it's consistent with what a new curl handle would look like. Since
get_active_slot() may or may not return a used handle, this reduces
the possibility of heisenbugs that only appear with certain request
patterns.
Note that the recommendation in the curl issue is to actually drop the
manual Transfer-Encoding header. Modern libcurl will add the header
itself when streaming from a READFUNCTION. However, that code wasn't
added until 802aa5ae2 (HTTP: use chunked Transfer-Encoding for HTTP_POST
if size unknown, 2019-07-22), which is in curl 7.66.0. We claim to
support back to 7.19.5, so those older versions still need the manual
header.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use tabs to indent, not two or four spaces.
These days, even the test fixture preparation should be done inside
test_expect_success block.
Address these two style violations in this test.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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nfsnprintf() wraps vsnprintf(3) and reports attempts to use too small a
buffer using BUG(), just like xsnprintf().
It has an extra check that makes sure the buffer size (converted to int)
is positive. vsnprintf(3) is supposed to handle a buffer size of zero
or bigger than INT_MAX just fine, so this extra comparison doesn't make
us any safer. If a platform has a broken implementation, we'd need to
work around it in our compat code.
Call xsnprintf() instead to reduce code duplication and make the caller
slightly more readable by using this more common helper.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Similar to the previous commit, rename {old,new}-value in the 'githooks'
documentation to {old,new}-oid. This improves clarity and also ensures
consistency within the document.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `git-update-ref` command is used to modify references. The usage of
{old,new}value in the documentation refers to the OIDs. This is fine
since the command only works with regular references which hold OIDs.
But if the command is updated to support symrefs, we'd also be dealing
with {old,new}-refs.
To improve clarity around what exactly {old,new}value mean, let's rename
it to {old,new}-oid.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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d208bfdfef (credential: new attribute password_expiry_utc, 2023-02-18)
and a5c76569e7 (credential: new attribute oauth_refresh_token,
2023-04-21) introduced new credential attributes but support was missing
from git-credential-osxkeychain.
Support these attributes by appending the data to the password in the
keychain, separated by line breaks. Line breaks cannot appear in a git
credential password so it is an appropriate separator.
Fixes the remaining test failures with osxkeychain:
18 - helper (osxkeychain) gets password_expiry_utc
19 - helper (osxkeychain) overwrites when password_expiry_utc
changes
21 - helper (osxkeychain) gets oauth_refresh_token
Signed-off-by: Bo Anderson <mail@boanderson.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Other credential helpers support deleting credentials that match a
specified password. See 7144dee3ec (credential/libsecret: erase matching
creds only, 2023-07-26) and cb626f8e5c (credential/wincred: erase
matching creds only, 2023-07-26).
Support this in osxkeychain too by extracting, decrypting and comparing
the stored password before deleting.
Fixes the following test failure with osxkeychain:
11 - helper (osxkeychain) does not erase a password distinct from
input
Signed-off-by: Bo Anderson <mail@boanderson.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Other credential managers erased all matching credentials, as indicated
by a test case that osxkeychain failed:
15 - helper (osxkeychain) erases all matching credentials
Signed-off-by: Bo Anderson <mail@boanderson.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The SecKeychain API was deprecated in macOS 10.10, nearly 10 years ago.
The replacement SecItem API however is available as far back as macOS
10.6.
While supporting older macOS was perhaps prevously a concern,
git-credential-osxkeychain already requires a minimum of macOS 10.7
since 5747c8072b (contrib/credential: avoid fixed-size buffer in
osxkeychain, 2023-05-01) so using the newer API should not regress the
range of macOS versions supported.
Adapting to use the newer SecItem API also happens to fix two test
failures in osxkeychain:
8 - helper (osxkeychain) overwrites on store
9 - helper (osxkeychain) can forget host
The new API is compatible with credentials saved with the older API.
Signed-off-by: Bo Anderson <mail@boanderson.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When constructing a new pack `git multi-pack-index repack` provides a
list of objects which is the union of objects in all MIDX'd packs which
were "included" in the repack.
Though correct, this typically yields a poorly structured pack, since
providing the objects list over stdin does not give pack-objects a
chance to discover the namehash values for each object, leading to
sub-optimal delta selection.
We can use `--stdin-packs` instead, which has a couple of benefits:
- it does a supplemental walk over objects in the supplied list of
packs to discover their namehash, leading to higher-quality delta
selection
- it requires us to list far less data over stdin; instead of listing
each object in the resulting pack, we need only list the
constituent packs from which those objects were selected in the MIDX
Of course, this comes at a slight cost: though we save time on listing
packs versus objects over stdin[^1] (around ~650 milliseconds), we add a
non-trivial amount of time walking over the given objects in order to
find better deltas.
In general, this is likely to more closely match the user's expectations
(i.e. that packs generated via `git multi-pack-index repack` are written
with high-quality deltas). But if not, we can always introduce a new
option in pack-objects to disable the supplemental object walk, which
would yield a pure CPU-time savings, at the cost of the on-disk size of
the resulting pack.
[^1]: In a patched version of Git that doesn't perform the supplemental
object walk in `pack-objects --stdin-packs`, we save around ~650ms
(from 5.968 to 5.325 seconds) when running `git multi-pack-index
repack --batch-size=0` on git.git with all objects packed, and all
packs in a MIDX.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In both fill_included_packs_all() and fill_included_packs_batch(), we
accumulate a list of packs whose contents we want to repack together,
and then use that information to feed a list of objects as input to
pack-objects.
In both cases, the `fill_included_packs_` functions keep track of how
many packs they want to repack together, and only execute pack-objects
if there are at least two packs that need repacking.
Having both of these functions keep track of this information themselves
is not strictly necessary, since they also log which packs to repack via
the `include_pack` array, so we can simply count the non-zero entries in
that array after either function is done executing, reducing the overall
amount of code necessary.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When performing a 'git multi-pack-index repack', the MIDX machinery
tries to aggregate MIDX'd packs together either to (a) fill the given
`--batch-size` argument, or (b) combine all packs together.
In either case (using the `midx-write.c::fill_included_packs_batch()` or
`midx-write.c::fill_included_packs_all()` function, respectively), we
evaluate whether or not we want to repack each MIDX'd pack, according to
whether or it is loadable, kept, cruft, or non-empty.
Between the two `fill_included_packs_` callers, they both care about the
same conditions, except for `fill_included_packs_batch()` which also
cares that the pack is non-empty.
We could extract two functions (say, `want_included_pack()` and a
`_nonempty()` variant), but this is not necessary. For the case in
`fill_included_packs_all()` which does not check the pack size, we add
all of the pack's objects assuming that the pack meets all other
criteria. But if the pack is empty in the first place, we add all of its
zero objects, so whether or not we "accept" or "reject" it in the first
place is irrelevant.
This change improves the readability in both `fill_included_packs_`
functions.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a new midx-write.c source file, which holds all of the
functionality from the MIDX sub-system related to writing new MIDX files.
Similar to the relationship between "pack-bitmap.c" and
"pack-bitmap-write.c", this source file will hold code that is specific
to writing MIDX files as opposed to reading them (the latter will remain
in midx.c).
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* rs/midx-use-strvec-pushf:
midx: use strvec_pushf() for pack-objects base name
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An additional test to demonstrate that clone would not choke on a
global configuration file that uses includeIf.onbranch:*.path.
* ps/clone-with-includeif-onbranch:
t5601: exercise clones with "includeIf.*.onbranch"
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Leakfix.
* jk/rebase-apply-leakfix:
rebase: use child_process_clear() to clean
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Fix the way recently added tests interpolate variables defined
outside them, and document the best practice to help future
developers.
* ps/t7800-variable-interpolation-fix:
t/README: document how to loop around test cases
t7800: use single quotes for test bodies
t7800: improve test descriptions with empty arguments
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A unit test for reftable code tried to enumerate all files in a
directory after reftable operations and expected to see nothing but
the files it wanted to leave there, but was fooled by .nfs* cruft
files left, which has been corrected.
* ps/reftable-unit-test-nfs-workaround:
reftable: fix tests being broken by NFS' delete-after-close semantics
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Documentation mark-up fix.
* jk/doc-remote-helpers-markup-fix:
doc/gitremote-helpers: fix more missing single-quotes
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Hints that suggest what to do after resolving conflicts can now be
squelched by disabling advice.mergeConflict.
Acked-by: Phillip Wood <phillip.wood123@gmail.com>
cf. <e040c631-42d9-4501-a7b8-046f8dac6309@gmail.com>
* pb/advice-merge-conflict:
builtin/am: allow disabling conflict advice
sequencer: allow disabling conflict advice
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"git config" corrupted literal HT characters written in the
configuration file as part of a value, which has been corrected.
* ds/config-internal-whitespace-fix:
config.txt: describe handling of whitespace further
t1300: add more tests for whitespace and inline comments
config: really keep value-internal whitespace verbatim
config: minor addition of whitespace
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Code clean-up in the "git log" machinery that implements custom log
message formatting.
* jk/pretty-subject-cleanup:
format-patch: fix leak of empty header string
format-patch: simplify after-subject MIME header handling
format-patch: return an allocated string from log_write_email_headers()
log: do not set up extra_headers for non-email formats
pretty: drop print_email_subject flag
pretty: split oneline and email subject printing
shortlog: stop setting pp.print_email_subject
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"git checkout --conflict=bad" reported a bad conflictStyle as if it
were given to a configuration variable; it has been corrected to
report that the command line option is bad.
* pw/checkout-conflict-errorfix:
checkout: fix interaction between --conflict and --merge
checkout: cleanup --conflict=<style> parsing
merge options: add a conflict style member
merge-ll: introduce LL_MERGE_OPTIONS_INIT
xdiff-interface: refactor parsing of merge.conflictstyle
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As it stands, the only call site of `__git_ps1_show_upstream` checks
that the `GIT_PS1_SHOWUPSTREAM` variable is set, so this is effectively
a no-op. However, that might change, and chances of noticing the
unprotected use might not be that high when it does.
Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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`GIT_PS1_SHOWCONFLICTSTATE` is a user variable that might not be set,
causing errors when the shell is in `nounset` mode.
Take into account on access by falling back to an empty string.
Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix some small capitalization issues, as spotted while going through the
documentation. In general, a semicolon doesn't start a new sentence, and
"this" has no meaning of a proper noun in this context.
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If len is INT_MAX in mem_pool_strvfmt(), then len + 1 overflows.
Casting it to size_t would prevent that. Use st_add() to go a step
further and make the addition *obviously* safe. The compiler can
optimize the check away on platforms where SIZE_MAX > INT_MAX, i.e.
basically everywhere.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When environment variable GIT_TEST_MAINT_SCHEDULER is set, `git
maintenance` invokes the command specified as the variable's value
rather than invoking the actual underlying platform-specific scheduler
management command. By setting GIT_TEST_MAINT_SCHEDULER to some suitable
value, test authors can therefore validate behavior of "destructive"
`git maintenance` commands without having to worry about clobbering the
user's own local scheduler configuration.
In order to protect an absent-minded test author from forgetting to set
GIT_TEST_MAINT_SCHEDULER in the local test script (and thus clobbering
his or her own scheduler configuration), t/test-lib.sh assigns an
"immediately error-out" value to GIT_TEST_MAINT_SCHEDULER by default
which should ensure that the problem will be caught and reported before
any damage can be done to the configuration of the person running the
tests.
Unfortunately, however, t/test-lib.sh neglects to export
GIT_TEST_MAINT_SCHEDULER, which renders the default "error-out"
assignment worthless. Fix this by exporting the variable as
originally intended.
Reported-by: Junio C Hamano <gitster@pobox.com>
Signed-of-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By following a similar reasoning as in previous commits, there are no
reason why we should not use the advise_if_enabled() API to display the
ADVICE_ADD_EMBEDDED_REPO advice.
This advice was introduced in 532139940c (add: warn when adding an
embedded repository, 2017-06-14). Some tests were included in the
commit, but none is testing this advice. Which, note, we only want to
display once per run.
So, use the advise_if_enabled() machinery to show the
ADVICE_ADD_EMBEDDED_REPO advice and include a test to notice any
possible breakage.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 93b0d86aaf (git-add: error out when given no arguments.,
2006-12-20) we display a message when no arguments are given to "git
add".
Part of that message was converted to advice in bf66db37f1 (add: use
advise function to display hints, 2020-01-07).
Following the same line of reasoning as in the previous commit, it is
sensible to use advise_if_enabled() here.
Therefore, use advise_if_enabled() in builtin/add.c to show the
ADVICE_ADD_EMPTY_PATHSPEC advice, and don't bother checking there the
visibility of the advice or displaying the instruction on how to disable
it.
Also add a test for these messages, in order to detect a possible
change in them.
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since b3b18d1621 (advice: revamp advise API, 2020-03-02), we can use
advise_if_enabled() to display an advice. This API encapsulates three
actions:
1.- checking the visibility of the advice
2.- displaying the advice when appropriate
3.- displaying instructions on how to disable the advice, when
appropriate
The code we have in builtin/add.c to display the ADVICE_ADD_IGNORED_FILE
advice, is doing these three things. However, the instructions
displayed on how to disable the hint are not shown in the normalized way
that advise_if_enabled() introduced. This may cause distraction.
There is no reason not to use the new API here. On the contrary, by
using it we gain simplicity in the code and avoid possible distractions.
For these reasons, use the newer advise_if_enabled() machinery to show
the ADVICE_ADD_IGNORED_FILE advice, and don't bother checking the
visibility or displaying the instruction on how to disable the advice.
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By definition, a detached HEAD state is tentative and there is no
configured "upstream" that it always wants to integrate with. But
if you detach from a branch that is behind its upstream, e.g.,
$ git checkout -t -b main origin/main
$ git checkout main
$ git reset --hard HEAD^
$ git checkout --detach main
you'd see "you are behind your upstream origin/main". This does not
happen when you replace the last step in the above with any of these
$ git checkout HEAD^0
$ git checkout --detach HEAD
$ git checkout --detach origin/main
Before 32669671 (checkout: introduce --detach synonym for "git
checkout foo^{commit}", 2011-02-08) introduced the "--detach"
option, the rule to decide if we show the tracking information
used to be:
If --quiet is not given, and if the given branch name is a real
local branch (i.e. the one we can compute the file path under
.git/, like 'refs/heads/master' or "HEAD" which stand for the
name of the current branch", then give the tracking information.
to exclude things like "git checkout master^0" (which was the
official way to detach HEAD at the commit before that commit) and
"git checkout origin/master^0" from showing tracking information,
but still do show the tracking information for the current branch
for "git checkout HEAD". The introduction of an explicit option
"--detach" broke this subtley. The new rule should have been
If --quiet is given, do not bother with tracking info.
If --detach is given, do not bother with tracking info.
Otherwise, if we know that the branch name given is a real local
branch, or if we were given "HEAD" and "HEAD" is not detached,
then attempt to show the tracking info.
but it allowed "git checkout --detach master" to also show the
tracking info by mistake. Let's tighten the rule to fix this.
Reported-by: mirth hickford <mirth.hickford@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git tools all consistently encourage users to avoid whitespaces at
the end of line by giving them features like "git diff --check" and
"git am --whitespace=fix". Make sure that the advice messages we
give users avoid trailing whitespaces. We shouldn't be wasting
vertical screen real estate by adding blank lines in advice messages
that are supposed to be concise hints, but as long as we write such
blank line in our "hints", we should do it right.
A test that expects the current behaviour of leaving trailing
whitespaces has been adjusted.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Auto-reference in man pages is a confusion factor.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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