| Commit message (Collapse) | Author | Age |
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The function write_extended_header() only ever returns 0. Simplify
it and its caller by dropping its return value, like we did with
write_global_extended_header() earlier.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Various small fixups to the "GIT_TRACE" facility.
* jk/trace-fixup:
trace: do not fall back to stderr
write_or_die: drop write_or_whine_pipe()
trace: disable key after write error
trace: correct variable name in write() error message
trace: cosmetic fixes for error messages
trace: use warning() for printing trace errors
trace: stop using write_or_whine_pipe()
trace: handle NULL argument in trace_disable()
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If the trace code cannot open a specified file, or does not
understand the contents of the GIT_TRACE variable, it falls
back to printing trace output to stderr.
This is an attempt to be helpful, but in practice it just
ends up annoying. The user was trying to get the output to
go somewhere else, so spewing it to stderr does not really
accomplish that. And as it's intended for debugging, they
can presumably re-run the command with their error
corrected.
So instead of falling back, this patch disables bogus trace
keys for the rest of the program, just as we do for write
errors. We can drop the "Defaulting to..." part of the error
message entirely; after seeing "cannot open '/foo'", the
user can assume that tracing is skipped.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function has no callers, and is not likely to gain any
because it's confusing to use.
It unconditionally complains to stderr, but _doesn't_ die.
Yet any caller which wants a "gentle" write would generally
want to suppress the error message, because presumably
they're going to write a better one, and/or try the
operation again.
And the check_pipe() call leads to confusing behaviors. It
means we die for EPIPE, but not for other errors, which is
confusing and pointless.
On top of all that, it has unusual error return semantics,
which makes it easy for callers to get it wrong.
Let's drop the function, and if somebody ever needs to
resurrect something like it, they can fix these warts.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we get a write error writing to a trace descriptor, the
error isn't likely to go away if we keep writing. Instead,
you'll just get the same error over and over. E.g., try:
GIT_TRACE_PACKET=42 git ls-remote >/dev/null
You don't really need to see:
warning: unable to write trace for GIT_TRACE_PACKET: Bad file descriptor
hundreds of times. We could fallback to tracing to stderr,
as we do in the error code-path for open(), but there's not
much point. If the user fed us a bogus descriptor, they're
probably better off fixing their invocation. And if they
didn't, and we saw a transient error (e.g., ENOSPC writing
to a file), it probably doesn't help anybody to have half of
the trace in a file, and half on stderr.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our error message for write() always mentions GIT_TRACE,
even though we may be writing for a different variable
entirely. It's also not quite accurate to say "fd given by
GIT_TRACE environment variable", as we may hit this error
based on a filename the user put in the variable (we do
complain and switch to stderr if the file cannot be opened,
but it's still possible to hit a write() error on the
descriptor later).
So let's fix those things, and switch to our more usual
"unable to do X: Y" format for the error.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The error messages for the trace code are often multi-line;
the first line gets a nice "warning:", but the rest are
left-aligned. Let's give them an indentation to make sure
they stand out as a unit.
While we're here, let's also downcase the first letter of
each error (our usual style), and break up a long line of
advice (since we're already using multiple lines, one more
doesn't hurt).
We also replace "What does 'foo' for GIT_TRACE mean?". While
cute, it's probably a good idea to give more context, and
follow our usual styles. So it's now "unknown trace value
for 'GIT_TRACE': foo".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Right now we just fprintf() straight to stderr, which can
make the output hard to distinguish. It would be helpful to
give it one of our usual prefixes like "error:", "warning:",
etc.
It doesn't make sense to use error() here, as the trace code
is "optional" debugging code. If something goes wrong, we
should warn the user, but saying "error" implies the actual
git operation had a problem. So warning() is the only sane
choice.
Note that this does end up calling warn_routine() to do the
formatting. This is probably a good thing, since they are
clearly trying to hook messages before they make it to
stderr. However, it also means that in theory somebody who
tries to trace from their warn_routine() could cause a loop.
This seems rather unlikely in practice (we've never even
overridden the default warn_builtin routine before, and
recent discussions to do so would just install a noop
routine).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The write_or_whine_pipe function does two things:
1. it checks for EPIPE and converts it into a signal death
2. it prints a message to stderr on error
The first thing does not help us, and actively hurts.
Generally we would simply die from SIGPIPE in this case,
unless somebody has taken the time to ignore SIGPIPE for the
whole process. And if they _did_ do that, it seems rather
silly for the trace code, which otherwise takes pains to
continue even in the face of errors (e.g., by not using
write_or_die!), to take down the whole process for one
specific type of error.
Nor does the second thing help us; it just makes it harder
to write our error message, because we have to feed bits of
it as an argument to write_or_whine_pipe(). Translators
never get to see the full message, and it's hard for us to
customize it.
Let's switch to just using write_in_full() and writing our
own error string. For now, the error is identical to what
write_or_whine_pipe() would say, but now that it's more
under our control, we can improve it in future patches.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All of the trace functions treat a NULL key as a synonym for
the default GIT_TRACE key. Except for trace_disable(), which
will segfault.
Fortunately, this can't cause any bugs, as the function has
no callers. But rather than drop it, let's fix the bug, as I
plan to add a caller.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A small code clean-up.
* rs/merge-recursive-string-list-init:
merge-recursive: use STRING_LIST_INIT_NODUP
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Initialize a string_list right when it's defined. That's shorter, saves
a function call and makes it more obvious that we're using the NODUP
variant here.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A small code clean-up.
* rs/merge-add-strategies-simplification:
merge: use string_list_split() in add_strategies()
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Call string_list_split() for cutting a space separated list into pieces
instead of reimplementing it based on struct strategy. The attr member
of struct strategy was not used split_merge_strategies(); it was a pure
string operation. Also be nice and clean up once we're done splitting;
the old code didn't bother freeing any of the allocated memory.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A small code clean-up.
* rs/child-process-init:
use CHILD_PROCESS_INIT to initialize automatic variables
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Initialize struct child_process variables already when they're defined.
That's shorter and saves a function call.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"import-tars" fast-import script (in contrib/) used to ignore a
hardlink target and replaced it with an empty file, which has been
corrected to record the same blob as the other file the hardlink is
shared with.
* js/import-tars-hardlinks:
import-tars: support hard links
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Previously, we simply treated hard links as if they were plain files
with size 0, ignoring the link type "1" and hence the link target.
What we should do instead, of course, is to use the link target to get
at the import mark for the contents, even if we cannot recreate the hard
link per se, as Git has no concept of hard links.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ms/document-pack-window-memory-is-per-thread:
document git-repack interaction of pack.threads and pack.windowMemory
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Signed-off-by: Michael Stahl <mstahl@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* vs/completion-branch-fully-spelled-d-m-r:
completion: complete --delete, --move, and --remotes for git branch
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Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix-up to an error codepath in a topic already in 'master'.
* sb/submodule-clone-retry:
submodule--helper: use parallel processor correctly
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When developing another patch series I had a temporary state in
which git-clone would segfault, when the call was prepared in
prepare_to_clone_next_submodule. This lead to the call failing,
i.e. in `update_clone_task_finished` the task was scheduled to be
tried again. The second call to prepare_to_clone_next_submodule
would return 0, as the segfaulted clone did create the .git file
already, such that was not considered to need to be cloned again. I
was seeing the "BUG: ce was a submodule before?\n" message, which
was the correct behavior at the time as my local code was
buggy. When trying to debug this failure, I tried to use printing
messages into the strbuf that is passed around, but these messages
were never printed as the die(..) doesn't flush the `err` strbuf.
When implementing the die() in 665b35ecc (2016-06-09, "submodule--helper:
initial clone learns retry logic"), I considered this condition to be
a severe condition, which should lead to an immediate abort as we do not
trust ourselves any more. However the queued messages in `err` are valuable
so let's not toss them out by immediately dying, but a graceful return.
Another thing to note: The error message itself was misleading. A return
value of 0 doesn't indicate the passed in `ce` is not a submodule any more,
but just that we do not consider cloning it any more.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Yet another batch for 2.9.3
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A minor documentation update.
This was split out from a stalled jh/clean-smudge-annex topic
before discarding it.
* jh/clean-smudge-f-doc:
clarify %f documentation
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* rs/use-strbuf-addstr:
use strbuf_addstr() instead of strbuf_addf() with "%s"
use strbuf_addstr() for adding constant strings to a strbuf
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* cp/completion-clone-recurse-submodules:
completion: add option '--recurse-submodules' to 'git clone'
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Test modernization.
* jk/t4205-cleanup:
t4205: indent here documents
t4205: drop top-level &&-chaining
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The API documentation for hashmap was unclear if hashmap_entry
can be safely discarded without any other consideration. State
that it is safe to do so.
* jc/hashmap-doc-init:
hashmap: clarify that hashmap_entry can safely be discarded
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Squelch compiler warnings for netmalloc (in compat/) library.
* js/nedmalloc-gcc6-warnings:
nedmalloc: work around overzealous GCC 6 warning
nedmalloc: fix misleading indentation
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FreeBSD can lie when asked mtime of a directory, which made the
untracked cache code to fall back to a slow-path, which in turn
caused tests in t7063 to fail because it wanted to verify the
behaviour of the fast-path.
* nd/fbsd-lazy-mtime:
t7063: work around FreeBSD's lazy mtime update feature
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The characters in the label shown for tags/refs for commits in
"gitweb" output are now properly escaped for proper HTML output.
* ab/gitweb-link-html-escape:
gitweb: escape link body in format_ref_marker
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Windows port was failing some tests in t4130, due to the lack of
inum in the returned values by its lstat(2) emulation.
* js/t4130-rename-without-ino:
t4130: work around Windows limitation
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"git -c grep.patternType=extended log --basic-regexp" misbehaved
because the internal API to access the grep machinery was not
designed well.
* jc/grep-commandline-vs-configuration:
grep: further simplify setting the pattern type
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There is an optimization used in "git diff $treeA $treeB" to borrow
an already checked-out copy in the working tree when it is known to
be the same as the blob being compared, expecting that open/mmap of
such a file is faster than reading it from the object store, which
involves inflating and applying delta. This however kicked in even
when the checked-out copy needs to go through the convert-to-git
conversion (including the clean filter), which defeats the whole
point of the optimization. The optimization has been disabled when
the conversion is necessary.
* jk/diff-do-not-reuse-wtf-needs-cleaning:
diff: do not reuse worktree files that need "clean" conversion
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The build procedure for "git persistent-https" helper (in contrib/)
has been updated so that it can be built with more recent versions
of Go.
* pm/build-persistent-https-with-recent-go:
contrib/persistent-https: use Git version for build label
contrib/persistent-https: update ldflags syntax for Go 1.7+
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"git merge" in Git v2.9 was taught to forbid merging an unrelated
lines of history by default, but that is exactly the kind of thing
the "--rejoin" mode of "git subtree" (in contrib/) wants to do.
"git subtree" has been taught to use the "--allow-unrelated-histories"
option to override the default.
* da/subtree-2.9-regression:
subtree: fix "git subtree split --rejoin"
t7900-subtree.sh: fix quoting and broken && chains
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"git commit --help" said "--no-verify" is only about skipping the
pre-commit hook, and failed to say that it also skipped the
commit-msg hook.
* os/no-verify-skips-commit-msg-too:
commit: describe that --no-verify skips the commit-msg hook in the help text
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The use of strbuf in "git rm" to build filename to remove was a bit
suboptimal, which has been fixed.
* rs/rm-strbuf-optim:
rm: reuse strbuf for all remove_dir_recursively() calls
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Users of the parse_options_concat() API function need to allocate
extra slots in advance and fill them with OPT_END() when they want
to decide the set of supported options dynamically, which makes the
code error-prone and hard to read. This has been corrected by tweaking
the API to allocate and return a new copy of "struct option" array.
* jk/parse-options-concat:
parse_options: allocate a new array when concatenating
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Allow http daemon tests in Travis CI tests.
* ls/travis-enable-httpd-tests:
travis-ci: enable web server tests t55xx on Linux
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Existing autoconf generated test for the need to link with pthread
library did not check all the functions from pthread libraries;
recent FreeBSD has some functions in libc but not others, and we
mistakenly thought linking with libc is enough when it is not.
* ew/autoconf-pthread:
configure.ac: stronger test for pthread linkage
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The .c/.h sources are marked as such in our .gitattributes file so
that "git diff -W" and friends would work better.
* rs/help-c-source-with-gitattributes:
.gitattributes: set file type for C files
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"git status" learned to suggest "merge --abort" during a conflicted
merge, just like it already suggests "rebase --abort" during a
conflicted rebase.
* mm/status-suggest-merge-abort:
status: suggest 'git merge --abort' when appropriate
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few updates to "git submodule update".
Use of "| wc -l" break with BSD variant of 'wc'.
* sb/submodule-update-dot-branch:
t7406: fix breakage on OSX
submodule update: allow '.' for branch value
submodule--helper: add remote-branch helper
submodule-config: keep configured branch around
submodule--helper: fix usage string for relative-path
submodule update: narrow scope of local variable
submodule update: respect depth in subsequent fetches
t7406: future proof tests with hard coded depth
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On OSX `wc` prefixes the output of numbers with whitespace, such
that the `commit_count` would be "SP <NUMBER>". When using that in
git submodule update --init --depth=$commit_count
the depth would be empty and the number is interpreted as the
pathspec. Fix this by not using `wc` and rather instruct rev-list
to count.
Another way to fix this is to remove the `=` sign after the
`--depth` argument as then we are allowed to have more than just one
whitespace between `--depth` and the actual number. Prefer the
solution of rev-list counting as that is expected to be slightly
faster and more self-contained within Git.
Reported-by: Lars Schneider <larsxschneider@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>,
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Gerrit has a "superproject subscription" feature[1], that triggers a
commit in a superproject that is subscribed to its submodules.
Conceptually this Gerrit feature can be done on the client side with
Git via (except for raciness, error handling etc):
while [ true ]; do
git -C <superproject> submodule update --remote --force
git -C <superproject> commit -a -m "Update submodules"
git -C <superproject> push
done
for each branch in the superproject. To ease the configuration in Gerrit
a special value of "." has been introduced for the submodule.<name>.branch
to mean the same branch as the superproject[2], such that you can create a
new branch on both superproject and the submodule and this feature
continues to work on that new branch.
Now we find projects in the wild with such a .gitmodules file.
The .gitmodules used in these Gerrit projects do not conform
to Gits understanding of how .gitmodules should look like.
This teaches Git to deal gracefully with this syntax as well.
The redefinition of "." does no harm to existing projects unaware of
this change, as "." is an invalid branch name in Git, so we do not
expect such projects to exist.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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