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rebase backends currently behave differently with empty commit messages,
largely as a side-effect of the different underlying commands on which
they are based. am-based rebases apply commits with an empty commit
message without stopping or requiring the user to specify an extra flag.
(It is interesting to note that am-based rebases are the default rebase
type, and no one has ever requested a --no-allow-empty-message flag to
change this behavior.) merge-based and interactive-based rebases (which
are ultimately based on git-commit), will currently halt on any such
commits and require the user to manually specify what to do with the
commit and continue.
One possible rationale for the difference in behavior is that the purpose
of an "am" based rebase is solely to transplant an existing history, while
an "interactive" rebase is one whose purpose is to polish a series before
making it publishable. Thus, stopping and asking for confirmation for a
possible problem is more appropriate in the latter case. However, there
are two problems with this rationale:
1) merge-based rebases are also non-interactive and there are multiple
types of rebases that use the interactive machinery but are not
explicitly interactive (e.g. when either --rebase-merges or
--keep-empty are specified without --interactive). These rebases are
also used solely to transplant an existing history, and thus also
should default to --allow-empty-message.
2) this rationale only says that the user is more accepting of stopping
in the case of an explicitly interactive rebase, not that stopping
for this particular reason actually makes sense. Exploring whether
it makes sense, requires backing up and analyzing the underlying
commands...
If git-commit did not error out on empty commits by default, accidental
creation of commits with empty messages would be a very common occurrence
(this check has caught me many times). Further, nearly all such empty
commit messages would be considered an accidental error (as evidenced by a
huge amount of documentation across version control systems and in various
blog posts explaining how important commit messages are). A simple check
for what would otherwise be a common error thus made a lot of sense, and
git-commit gained an --allow-empty-message flag for special case
overrides. This has made commits with empty messages very rare.
There are two sources for commits with empty messages for rebase (and
cherry-pick): (a) commits created in git where the user previously
specified --allow-empty-message to git-commit, and (b) commits imported
into git from other version control systems. In case (a), the user has
already explicitly specified that there is something special about this
commit that makes them not want to specify a commit message; forcing them
to re-specify with every cherry-pick or rebase seems more likely to be
infuriating than helpful. In case (b), the commit is highly unlikely to
have been authored by the person who has imported the history and is doing
the rebase or cherry-pick, and thus the user is unlikely to be the
appropriate person to write a commit message for it. Stopping and
expecting the user to modify the commit before proceeding thus seems
counter-productive.
Further, note that while empty commit messages was a common error case for
git-commit to deal with, it is a rare case for rebase (or cherry-pick).
The fact that it is rare raises the question of why it would be worth
checking and stopping on this particular condition and not others. For
example, why doesn't an interactive rebase automatically stop if the
commit message's first line is 2000 columns long, or is missing a blank
line after the first line, or has every line indented with five spaces, or
any number of other myriad problems?
Finally, note that if a user doing an interactive rebase does have the
necessary knowledge to add a message for any such commit and wants to do
so, it is rather simple for them to change the appropriate line from
'pick' to 'reword'. The fact that the subject is empty in the todo list
that the user edits should even serve as a way to notify them.
As far as I can tell, the fact that merge-based and interactive-based
rebases stop on commits with empty commit messages is solely a by-product
of having been based on git-commit. It went without notice for a long
time precisely because such cases are rare. The rareness of this
situation made it difficult to reason about, so when folks did eventually
notice this behavior, they assumed it was there for a good reason and just
added an --allow-empty-message flag. In my opinion, stopping on such
messages not desirable in any of these cases, even the (explicitly)
interactive case.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a simple directory rename testcase, in conjunction with each of the
types of rebases:
git-rebase--interactive
git-rebase--am
git-rebase--merge
and also use the same testcase for
git am --3way
This demonstrates a difference in behavior between the different rebase
backends in regards to directory rename detection.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git rebase has three different types: am, merge, and interactive, all of
which are implemented in terms of separate scripts. am builds on git-am,
merge builds on git-merge-recursive, and interactive builds on
git-cherry-pick. We make use of features in those lower-level commands in
the different rebase types, but those features don't exist in all of the
lower level commands so we have a range of incompatibilities. Previously,
we just accepted nearly any argument and silently ignored whichever ones
weren't implemented for the type of rebase specified. Change this so the
incompatibilities are documented, included in the testsuite, and tested
for at runtime with an appropriate error message shown.
Some exceptions I left out:
* --merge and --interactive are technically incompatible since they are
supposed to run different underlying scripts, but with a few small
changes, --interactive can do everything that --merge can. In fact,
I'll shortly be sending another patch to remove git-rebase--merge and
reimplement it on top of git-rebase--interactive.
* One could argue that --interactive and --quiet are incompatible since
--interactive doesn't implement a --quiet mode (perhaps since
cherry-pick itself does not implement one). However, the interactive
mode is more quiet than the other modes in general with progress
messages, so one could argue that it's already quiet.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git rebase is split into three types: am, merge, and interactive. Various
options imply different types, and which mode we are using determine which
sub-script (git-rebase--$type) is executed to finish the work. Not all
options work with all types, so add tests for combinations where we expect
to receive an error rather than having options be silently ignored.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* cf/submodule-progress-dissociate:
t7400: encapsulate setup code in test_expect_success
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* js/rebase-i-root-fix:
t3404: check root commit in 'rebase -i --root reword root commit'
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When running t7400 in a shell you observe more output than expected:
...
ok 8 - setup - hide init subdirectory
ok 9 - setup - repository to add submodules to
ok 10 - submodule add
[master (root-commit) d79ce16] one
Author: A U Thor <author@example.com>
1 file changed, 1 insertion(+)
create mode 100644 one.t
ok 11 - redirected submodule add does not show progress
ok 12 - redirected submodule add --progress does show progress
ok 13 - submodule add to .gitignored path fails
...
Fix the output by encapsulating the setup code in test_expect_success
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When testing a reworded root commit, ensure that the squash-onto commit
which is created and amended is still the root commit.
Suggested-by: Phillip Wood <phillip.wood@talktalk.net>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fix.
* sg/t7406-chain-fix:
t7406-submodule-update: fix broken &&-chains
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A test title has been reworded to clarify it.
* ks/branch-set-upstream:
t3200: clarify description of --set-upstream test
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A regression to "rebase -i --root" introduced during this cycle has
been fixed.
* js/rebase-i-root-fix:
rebase --root: fix amending root commit messages
rebase --root: demonstrate a bug while amending root commit messages
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The code to read compressed bitmap was not careful to avoid reading
past the end of the file, which has been corrected.
* jk/ewah-bounds-check:
ewah: adjust callers of ewah_read_mmap()
ewah_read_mmap: bounds-check mmap reads
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"git p4" updates.
* ld/git-p4-updates:
git-p4: auto-size the block
git-p4: narrow the scope of exceptions caught when parsing an int
git-p4: raise exceptions from p4CmdList based on error from p4 server
git-p4: better error reporting when p4 fails
git-p4: add option to disable syncing of p4/master with p4
git-p4: disable-rebase: allow setting this via configuration
git-p4: add options --commit and --disable-rebase
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Three tests in 't7406-submodule-update' contain broken &&-chains, but
since they are all in subshells, chain-lint couldn't notice them.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code path that triggered that "BUG" really does not want to run
without an explicit commit message. In the case where we want to amend a
commit message, we have an *implicit* commit message, though: the one of
the commit to amend. Therefore, this code path should not even be
entered.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When splitting a repository, running `git rebase -i --root` to reword
the initial commit, Git dies with
BUG: sequencer.c:795: root commit without message.
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The on-disk ewah format tells us how big the ewah data is,
and we blindly read that much from the buffer without
considering whether the mmap'd data is long enough, which
can lead to out-of-bound reads.
Let's make sure we have data available before reading it,
both for the ewah header/footer as well as for the bit data
itself. In particular:
- keep our ptr/len pair in sync as we move through the
buffer, and check it before each read
- check the size for integer overflow (this should be
impossible on 64-bit, as the size is given as a 32-bit
count of 8-byte words, but is possible on a 32-bit
system)
- return the number of bytes read as an ssize_t instead of
an int, again to prevent integer overflow
- compute the return value using a pointer difference;
this should yield the same result as the existing code,
but makes it more obvious that we got our computations
right
The included test is far from comprehensive, as it just
picks a static point at which to truncate the generated
bitmap. But in practice this will hit in the middle of an
ewah and make sure we're at least exercising this code.
Reported-by: Luat Nguyen <root@l4w.io>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Support for the --set-upstream option was removed in 52668846ea
(builtin/branch: stop supporting the "--set-upstream" option,
2017-08-17). The change did not completely remove the command
due to an issue noted in the commit's log message.
So, a test was added to ensure that a command which uses the
'--set-upstream' option fails instead of silently acting as an alias
for the '--set-upstream-to' option due to option parsing features.
To avoid confusion, clarify that the option is disabled intentionally
in the corresponding test description.
The test is expected to be around as long as we intentionally fail
on seeing the '--set-upstream' option which in turn we expect to
do for a period of time after which we can be sure that existing
users of '--set-upstream' are aware that the option is no
longer supported.
Signed-off-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"index-pack --strict" has been taught to make sure that it runs the
final object integrity checks after making the freshly indexed
packfile available to itself.
* jk/index-pack-maint:
index-pack: correct install_packed_git() args
index-pack: handle --strict checks of non-repo packs
prepare_commit_graft: treat non-repository as a noop
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Finishing touches to a topic that already is in 'maint'.
* jk/submodule-fsck-loose-fixup:
fsck: avoid looking at NULL blob->object
t7415: don't bother creating commit for symlink test
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git-p4 originally would fetch changes in one query. On large repos this
could fail because of the limits that Perforce imposes on the number of
items returned and the number of queries in the database.
To fix this, git-p4 learned to query changes in blocks of 512 changes,
However, this can be very slow - if you have a few million changes,
with each chunk taking about a second, it can be an hour or so.
Although it's possible to tune this value manually with the
"--changes-block-size" option, it's far from obvious to ordinary users
that this is what needs doing.
This change alters the block size dynamically by looking for the
specific error messages returned from the Perforce server, and reducing
the block size if the error is seen, either to the limit reported by the
server, or to half the current block size.
That means we can start out with a very large block size, and then let
it automatically drop down to a value that works without error, while
still failing correctly if some other error occurs.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently when p4 fails to run, git-p4 just crashes with an obscure
error message.
For example, if the P4 ticket has expired, you get:
Error: Cannot locate perforce checkout of <path> in client view
This change checks whether git-p4 can talk to the Perforce server when
the first P4 operation is attempted, and tries to print a meaningful
error message if it fails.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On a daily work with multiple local git branches, the usual way to
submit only a specified commit was to cherry-pick the commit on
master then run git-p4 submit. It can be very annoying to switch
between local branches and master, only to submit one commit. The
proposed new way is to select directly the commit you want to
submit.
Add option --commit to command 'git-p4 submit' in order to submit
only specified commit(s) in p4.
On a daily work developping software with big compilation time, one
may not want to rebase on his local git tree, in order to avoid long
recompilation.
Add option --disable-rebase to command 'git-p4 submit' in order to
disable rebase after submission.
Thanks-to: Cedric Borgese <cedric.borgese@gmail.com>
Reviewed-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Romain Merland <merlorom@yahoo.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 159e7b080b (fsck: detect gitmodules files,
2018-05-02) taught fsck to look at the content of
.gitmodules files. If the object turns out not to be a blob
at all, we just complain and punt on checking the content.
And since this was such an obvious and trivial code path, I
didn't even bother to add a test.
Except it _does_ do one non-trivial thing, which is call the
report() function, which wants us to pass a pointer to a
"struct object". Which we don't have (we have only a "struct
object_id"). So we erroneously pass a NULL object to
report(), which gets dereferenced and causes a segfault.
It seems like we could refactor report() to just take the
object_id itself. But we pass the object pointer along to
a callback function, and indeed this ends up in
builtin/fsck.c's objreport() which does want to look at
other parts of the object (like the type).
So instead, let's just use lookup_unknown_object() to get
the real "struct object", and pass that.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Early versions of the fsck .gitmodules detection code
actually required a tree to be at the root of a commit for
it to be checked for .gitmodules. What we ended up with in
159e7b080b (fsck: detect gitmodules files, 2018-05-02),
though, finds a .gitmodules file in _any_ tree (see that
commit for more discussion).
As a result, there's no need to create a commit in our
tests. Let's drop it in the name of simplicity. And since
that was the only thing referencing $tree, we can pull our
tree creation out of a command substitution.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fix.
* bc/t3430-fixup:
t3430: test clean-up
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"git pull -recurse-submodules --rebase", when the submodule
repository's history did not have anything common between ours and
the upstream's, failed to execute. We need to fetch from them to
continue even in such a case.
* jt/submodule-pull-recurse-rebase:
submodule: do not pass null OID to setup_revisions
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Remove unnecessary test_tick etc...
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* bw/ref-prefix-for-configured-refspec:
fetch: do not pass ref-prefixes for fetch by exact SHA1
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When v2.18.0-rc0~10^2~1 (refspec: consolidate ref-prefix generation
logic, 2018-05-16) factored out the ref-prefix generation code for
reuse, it left out the 'if (!item->exact_sha1)' test in the original
ref-prefix generation code. As a result, fetches by SHA-1 generate
ref-prefixes as though the SHA-1 being fetched were an abbreviated ref
name:
$ GIT_TRACE_PACKET=1 bin-wrappers/git -c protocol.version=2 \
fetch origin 12039e008f9a4e3394f3f94f8ea897785cb09448
[...]
packet: fetch> ref-prefix 12039e008f9a4e3394f3f94f8ea897785cb09448
packet: fetch> ref-prefix refs/12039e008f9a4e3394f3f94f8ea897785cb09448
packet: fetch> ref-prefix refs/tags/12039e008f9a4e3394f3f94f8ea897785cb09448
packet: fetch> ref-prefix refs/heads/12039e008f9a4e3394f3f94f8ea897785cb09448
packet: fetch> ref-prefix refs/remotes/12039e008f9a4e3394f3f94f8ea897785cb09448
packet: fetch> ref-prefix refs/remotes/12039e008f9a4e3394f3f94f8ea897785cb09448/HEAD
packet: fetch> 0000
If there is another ref name on the command line or the object being
fetched is already available locally, then that's mostly harmless.
But otherwise, we error out with
fatal: no matching remote head
since the server did not send any refs we are interested in. Filter
out the exact_sha1 refspecs to avoid this.
This patch adds a test to check this behavior that notices another
behavior difference between protocol v0 and v2 in the process. Add a
NEEDSWORK comment to clear it up.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Quite a many tests assumed that newly created refs are made as
loose refs using the files backend, which have been updated to use
proper plumbing like rev-parse and update-ref, to avoid breakage
once we start using different ref backends.
* cc/tests-without-assuming-ref-files-backend:
t990X: use '.git/objects' as 'deep inside .git' path
t: make many tests depend less on the refs being files
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Hotfixes.
* js/rebase-recreate-merge:
sequencer: ensure labels that are object IDs are rewritten
git-rebase--interactive: fix copy-paste mistake
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"git rev-parse Y..." etc. misbehaved when given endpoints were
not committishes.
* en/rev-parse-invalid-range:
rev-parse: check lookup'ed commit references for NULL
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"git p4" learned to "unshelve" shelved commit from P4.
* ld/p4-unshelve:
git-p4: add unshelve command
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The list of commands with their various attributes were spread
across a few places in the build procedure, but it now is getting a
bit more consolidated to allow more automation.
* nd/command-list:
completion: allow to customize the completable command list
completion: add and use --list-cmds=alias
completion: add and use --list-cmds=nohelpers
Move declaration for alias.c to alias.h
completion: reduce completable command list
completion: let git provide the completable command list
command-list.txt: documentation and guide line
help: use command-list.txt for the source of guides
help: add "-a --verbose" to list all commands with synopsis
git: support --list-cmds=list-<category>
completion: implement and use --list-cmds=main,others
git --list-cmds: collect command list in a string_list
git.c: convert --list-* to --list-cmds=*
Remove common-cmds.h
help: use command-list.h for common command list
generate-cmds.sh: export all commands to command-list.h
generate-cmds.sh: factor out synopsis extract code
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Commit 73c3f0f704 (index-pack: check .gitmodules files with
--strict, 2018-05-04) added a call to add_packed_git(), with
the intent that the newly-indexed objects would be available
to the process when we run fsck_finish(). But that's not
what add_packed_git() does. It only allocates the struct,
and you must install_packed_git() on the result. So that
call was effectively doing nothing (except leaking a
struct).
But wait, we passed all of the tests! Does that mean we
don't need the call at all?
For normal cases, no. When we run "index-pack --stdin"
inside a repository, we write the new pack into the object
directory. If fsck_finish() needs to access one of the new
objects, then our initial lookup will fail to find it, but
we'll follow up by running reprepare_packed_git() and
looking again. That logic was meant to handle somebody else
repacking simultaneously, but it ends up working for us
here.
But there is a case that does need this, that we were not
testing. You can run "git index-pack foo.pack" on any file,
even when it is not inside the object directory. Or you may
not even be in a repository at all! This case fails without
doing the proper install_packed_git() call.
We can make this work by adding the install call.
Note that we should be prepared to handle add_packed_git()
failing. We can just silently ignore this case, though. If
fsck_finish() later needs the objects and they're not
available, it will complain itself. And if it doesn't
(because we were able to resolve the whole fsck in the first
pass), then it actually isn't an interesting error at all.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The parse_commit_buffer() function consults lookup_commit_graft()
to see if we need to rewrite parents. The latter will look
at $GIT_DIR/info/grafts. If you're outside of a repository,
then this will trigger a BUG() as of b1ef400eec (setup_git_env:
avoid blind fall-back to ".git", 2016-10-20).
It's probably uncommon to actually parse a commit outside of
a repository, but you can see it in action with:
cd /not/a/git/repo
git index-pack --strict /some/file.pack
This works fine without --strict, but the fsck checks will
try to parse any commits, triggering the BUG(). We can fix
that by teaching the graft code to behave as if there are no
grafts when we aren't in a repository.
Arguably index-pack (and fsck) are wrong to consider grafts
at all. So another solution is to disable grafts entirely
for those commands. But given that the graft feature is
deprecated anyway, it's not worth even thinking through the
ramifications that might have.
There is one other corner case I considered here. What
should:
cd /not/a/git/repo
export GIT_GRAFT_FILE=/file/with/grafts
git index-pack --strict /some/file.pack
do? We don't have a repository, but the user has pointed us
directly at a graft file, which we could respect. I believe
this case did work that way prior to b1ef400eec. However,
fixing it now would be pretty invasive. Back then we would
just call into setup_git_env() even without a repository.
But these days it actually takes a git_dir argument. So
there would be a fair bit of refactoring of the setup code
involved.
Given the obscurity of this case, plus the fact that grafts
are deprecated and probably shouldn't work under index-pack
anyway, it's not worth pursuing further. This patch at least
un-breaks the common case where you're _not_ using grafts,
but we BUG() anyway trying to even find that out.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our HTTP client code used to advertise that we accept gzip encoding
from the other side; instead, just let cURL library to advertise
and negotiate the best one.
* bw/remote-curl-compressed-responses:
remote-curl: accept compressed responses with protocol v2
remote-curl: accept all encodings supported by curl
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Many tests hardcode the raw object names, which would change once
we migrate away from SHA-1. While some of them must test against
exact object names, most of them do not have to use hardcoded
constants in the test. The latter kind of tests have been updated
to test the moral equivalent of the original without hardcoding the
actual object names.
* bc/hash-independent-tests: (28 commits)
t5300: abstract away SHA-1-specific constants
t4208: abstract away SHA-1-specific constants
t4045: abstract away SHA-1-specific constants
t4042: abstract away SHA-1-specific constants
t4205: sort log output in a hash-independent way
t/lib-diff-alternative: abstract away SHA-1-specific constants
t4030: abstract away SHA-1-specific constants
t4029: abstract away SHA-1-specific constants
t4029: fix test indentation
t4022: abstract away SHA-1-specific constants
t4020: abstract away SHA-1-specific constants
t4014: abstract away SHA-1-specific constants
t4008: abstract away SHA-1-specific constants
t4007: abstract away SHA-1-specific constants
t3905: abstract away SHA-1-specific constants
t3702: abstract away SHA-1-specific constants
t3103: abstract away SHA-1-specific constants
t2203: abstract away SHA-1-specific constants
t: skip pack tests if not using SHA-1
t4044: skip test if not using SHA-1
...
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Error codepath fix.
* jk/config-blob-sans-repo:
config: die when --blob is used outside a repository
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"git fetch $there $refspec" that talks over protocol v2 can take
advantage of server-side ref filtering; the code has been extended
so that this mechanism triggers also when fetching with configured
refspec.
* bw/ref-prefix-for-configured-refspec: (38 commits)
fetch: generate ref-prefixes when using a configured refspec
refspec: consolidate ref-prefix generation logic
submodule: convert push_unpushed_submodules to take a struct refspec
remote: convert check_push_refs to take a struct refspec
remote: convert match_push_refs to take a struct refspec
http-push: store refspecs in a struct refspec
transport: remove transport_verify_remote_names
send-pack: store refspecs in a struct refspec
transport: convert transport_push to take a struct refspec
push: convert to use struct refspec
push: check for errors earlier
remote: convert match_explicit_refs to take a struct refspec
remote: convert get_ref_match to take a struct refspec
remote: convert query_refspecs to take a struct refspec
remote: convert apply_refspecs to take a struct refspec
remote: convert get_stale_heads to take a struct refspec
fetch: convert prune_refs to take a struct refspec
fetch: convert get_ref_map to take a struct refspec
fetch: convert do_fetch to take a struct refspec
refspec: remove the deprecated functions
...
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When a short hexadecimal string is used to name an object but there
are multiple objects that share the string as the prefix of their
names, the code lists these ambiguous candidates in a help message.
These object names are now sorted according to their types for
easier eyeballing.
* ab/get-short-oid:
get_short_oid: sort ambiguous objects by type, then SHA-1
sha1-name.c: move around the collect_ambiguous() function
git-p4: change "commitish" typo to "committish"
sha1-array.h: align function arguments
sha1-name.c: remove stray newline
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Transfer protocol v2 learned to support the partial clone.
* jt/partial-clone-proto-v2:
{fetch,upload}-pack: support filter in protocol v2
upload-pack: read config when serving protocol v2
upload-pack: fix error message typo
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Conversion from uchar[20] to struct object_id continues.
* bc/object-id: (42 commits)
merge-one-file: compute empty blob object ID
add--interactive: compute the empty tree value
Update shell scripts to compute empty tree object ID
sha1_file: only expose empty object constants through git_hash_algo
dir: use the_hash_algo for empty blob object ID
sequencer: use the_hash_algo for empty tree object ID
cache-tree: use is_empty_tree_oid
sha1_file: convert cached object code to struct object_id
builtin/reset: convert use of EMPTY_TREE_SHA1_BIN
builtin/receive-pack: convert one use of EMPTY_TREE_SHA1_HEX
wt-status: convert two uses of EMPTY_TREE_SHA1_HEX
submodule: convert several uses of EMPTY_TREE_SHA1_HEX
sequencer: convert one use of EMPTY_TREE_SHA1_HEX
merge: convert empty tree constant to the_hash_algo
builtin/merge: switch tree functions to use object_id
builtin/am: convert uses of EMPTY_TREE_SHA1_BIN to the_hash_algo
sha1-file: add functions for hex empty tree and blob OIDs
builtin/receive-pack: avoid hard-coded constants for push certs
diff: specify abbreviation size in terms of the_hash_algo
upload-pack: replace use of several hard-coded constants
...
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"git blame" learns to unhighlight uninteresting metadata from the
originating commit on lines that are the same as the previous one,
and also paint lines in different colors depending on the age of
the commit.
* sb/blame-color:
builtin/blame: add new coloring scheme config
builtin/blame: highlight recently changed lines
builtin/blame: dim uninteresting metadata lines
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"git submodule update" and "git submodule add" supported the
"--reference" option to borrow objects from a neighbouring local
repository like "git clone" does, but lacked the more recent
invention "--dissociate". Also "git submodule add" has been taught
to take the "--progress" option.
* cf/submodule-progress-dissociate:
submodule: add --dissociate option to add/update commands
submodule: add --progress option to add command
submodule: clean up substitutions in script
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Command line completion (in contrib/) learned to complete pathnames
for various commands better.
* sg/complete-paths:
t9902-completion: exercise __git_complete_index_file() directly
completion: don't return with error from __gitcomp_file_direct()
completion: fill COMPREPLY directly when completing paths
completion: improve handling quoted paths in 'git ls-files's output
completion: remove repeated dirnames with 'awk' during path completion
t9902-completion: ignore COMPREPLY element order in some tests
completion: use 'awk' to strip trailing path components
completion: let 'ls-files' and 'diff-index' filter matching paths
completion: improve handling quoted paths on the command line
completion: support completing non-ASCII pathnames
completion: simplify prefix path component handling during path completion
completion: move __git_complete_index_file() next to its helpers
t9902-completion: add tests demonstrating issues with quoted pathnames
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"git update-ref A B" is supposed to ensure that ref A does not yet
exist when B is a NULL OID, but this check was not done correctly
for pseudo-refs outside refs/ hierarchy, e.g. MERGE_HEAD.
* ma/create-pseudoref-with-null-old-oid:
refs: handle zero oid for pseudorefs
t1400: add tests around adding/deleting pseudorefs
refs.c: refer to "object ID", not "sha1", in error messages
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"git status" learned to honor a new status.renames configuration to
skip rename detection, which could be useful for those who want to
do so without disabling the default rename detection done by the
"git diff" command.
* bp/status-rename-config:
add status config and command line options for rename detection
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Developer support update, by using BUG() macro instead of die() to
mark codepaths that should not happen more clearly.
* js/use-bug-macro:
BUG_exit_code: fix sparse "symbol not declared" warning
Convert remaining die*(BUG) messages
Replace all die("BUG: ...") calls by BUG() ones
run-command: use BUG() to report bugs, not die()
test-tool: help verifying BUG() code paths
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Elijah Newren
Junio C Hamano
Stefan Beller
Todd Zullinger
SZEDER Gábor
Johannes Schindelin
Jeff King
Kaartic Sivaraam
Luke Diamand
Romain Merland
brian m. carlson
Jonathan Nieder