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One of the most important use cases for the strict tag object checking
is when transfer.fsckobjects is set to true to catch invalid objects
early on. This new regression test essentially tests the same code path
by directly calling 'index-pack --strict' on a pack containing an
tag object without a 'tagger' line.
Technically, this test is not enough: it only exercises a code path that
*warns*, not one that *fails*. The reason is that hash-object and
pack-objects both insist on parsing the tag objects and would fail on
invalid tag objects at this time.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The intent of the new test case is to catch general breakages in
the fsck_tag() function, not so much to test it extensively, trying to
strike the proper balance between thoroughness and speed.
While it *would* have been nice to test the code path where fsck_object()
encounters an invalid tag object, this is not possible using git fsck: tag
objects are parsed already before fsck'ing (and the parser already fails
upon such objects).
Even worse: we would not even be able write out invalid tag objects
because git hash-object parses those objects, too, unless we resorted to
really ugly hacks such as using something like this in the unit tests
(essentially depending on Perl *and* Compress::Zlib):
hash_invalid_object () {
contents="$(printf '%s %d\0%s' "$1" ${#2} "$2")" &&
sha1=$(echo "$contents" | test-sha1) &&
suffix=${sha1#??} &&
mkdir -p .git/objects/${sha1%$suffix} &&
echo "$contents" |
perl -MCompress::Zlib -e 'undef $/; print compress(<>)' \
> .git/objects/${sha1%$suffix}/$suffix &&
echo $sha1
}
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We inspect commit objects pretty much in detail in git-fsck, but we just
glanced over the tag objects. Let's be stricter.
Since we do not want to limit 'tag' lines unduly, values that would fail
the refname check only result in warnings, not errors.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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So far, we assumed that the buffer is NUL terminated, but this is not
a safe assumption, now that we opened the fsck_object() API to pass a
buffer directly.
So let's make sure that there is at least an empty line in the buffer.
That way, our checks would fail if the empty line was encountered
prematurely, and consequently we can get away with the current string
comparisons even with non-NUL-terminated buffers are passed to
fsck_object().
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When fsck'ing an incoming pack, we need to fsck objects that cannot be
read via read_sha1_file() because they are not local yet (and might even
be rejected if transfer.fsckobjects is set to 'true').
For commits, there is a hack in place: we basically cache commit
objects' buffers anyway, but the same is not true, say, for tag objects.
By refactoring fsck_object() to take the object buffer and size as
optional arguments -- optional, because we still fall back to the
previous method to look at the cached commit objects if the caller
passes NULL -- we prepare the machinery for the upcoming handling of tag
objects.
The assumption that such buffers are inherently NUL terminated is now
wrong, of course, hence we pass the size of the buffer so that we can
add a sanity check later, to prevent running past the end of the buffer.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the next commits, we will enhance the fsck_tag() function to check
tag objects more thoroughly. To this end, we need a function to verify
that a given string is a valid object type, but that does not die() in
the negative case.
While at it, prepare type_from_string() for counted strings, i.e. strings
with an explicitly specified length rather than a NUL termination.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sp/pack-protocol-doc-on-shallow:
Document LF appearing in shallow command during send-pack/receive-pack
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* tf/imap-send-create:
imap-send: create target mailbox if it is missing
imap-send: clarify CRAM-MD5 vs LOGIN documentation
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The prompt script checked $GIT_DIR/ref/stash file to see if there
is a stash, which was a no-no.
* jk/prompt-stash-could-be-packed:
git-prompt: do not look for refs/stash in $GIT_DIR
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Documentation update.
* tb/pretty-format-cd-date-format:
pretty: note that %cd respects the --date= option
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* rs/inline-compat-path-macros:
turn path macros into inline function
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* rs/clean-menu-item-defn:
clean: use f(void) instead of f() to declare a pointer to a function without arguments
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* jc/config-mak-document-darwin-vs-macosx:
config.mak.uname: add hint on uname_R for MacOS X
config.mak.uname: set NO_APPLE_COMMON_CRYPTO on older systems
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* sb/mailsplit-dead-code-removal:
mailsplit.c: remove dead code
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May need further updates to the description to explain what makes
various modes of operation to decide that the request can become a
"no-op".
* so/rebase-doc:
Documentation/git-rebase.txt: -f forces a rebase that would otherwise be a no-op
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* sb/prepare-revision-walk-error-check:
prepare_revision_walk(): check for return value in all places
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* sb/blame-msg-i18n:
builtin/blame.c: add translation to warning about failed revision walk
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* nd/strbuf-utf8-replace:
utf8.c: fix strbuf_utf8_replace() consuming data beyond input string
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* sb/plug-leaks:
clone.c: don't leak memory in cmd_clone
remote.c: don't leak the base branch name in format_tracking_info
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"git add x" where x that used to be a directory has become a
symbolic link to a directory misbehaved.
* rs/refresh-beyond-symlink:
read-cache: check for leading symlinks when refreshing index
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* la/init-doc:
Documentation: git-init: flesh out example
Documentation: git-init: template directory: reword and cross-reference
Documentation: git-init: reword parenthetical statements
Documentation: git-init: --separate-git-dir: clarify
Documentation: git-init: template directory: reword
Documentation: git-init: list items facelift
Documentation: git-init: typographical fixes
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Teach "git stash list -p" to show the difference between the base
commit version and the working tree version, which is in line with
what "git show" gives.
* jk/stash-list-p:
stash: default listing to working-tree diff
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* mm/log-branch-desc-plug-leak:
builtin/log.c: fix minor memory leak
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"git bundle create" with date-range specification were meant to
exclude tags outside the range
* lf/bundle-exclusion:
bundle: fix exclusion of annotated tags
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Applying a patch not generated by Git in a subdirectory used to
check the whitespace breakage using the attributes for incorrect
paths. Also whitespace checks were performed even for paths
excluded via "git apply --exclude=<path>" mechanism.
* jc/apply-ws-prefix:
apply: omit ws check for excluded paths
apply: hoist use_patch() helper for path exclusion up
apply: use the right attribute for paths in non-Git patches
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"git -c section.var command" and "git -c section.var= command"
should pass the configuration differently (the former should be
a boolean true, the latter should be an empty string).
* jk/command-line-config-empty-string:
config: teach "git -c" to recognize an empty string
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* bc/imap-send-doc:
imap-send doc: omit confusing "to use imap-send" modifier
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We have been using NOT_{MINGW,CYGWIN} test prerequisites long
before Peff invented support for negated prerequisites e.g. !MINGW
and we still add more uses of the former. Convert them to the
latter to avoid confusion.
* jc/not-mingw-cygwin:
test prerequisites: enumerate with commas
test prerequisites: eradicate NOT_FOO
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reduce the use of fixed sized buffer passed to getcwd() calls
by introducing xgetcwd() helper.
* rs/strbuf-getcwd:
use strbuf_add_absolute_path() to add absolute paths
abspath: convert absolute_path() to strbuf
use xgetcwd() to set $GIT_DIR
use xgetcwd() to get the current directory or die
wrapper: add xgetcwd()
abspath: convert real_path_internal() to strbuf
abspath: use strbuf_getcwd() to remember original working directory
setup: convert setup_git_directory_gently_1 et al. to strbuf
unix-sockets: use strbuf_getcwd()
strbuf: add strbuf_getcwd()
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* ta/pretty-parse-config:
pretty.c: make git_pretty_formats_config return -1 on git_config_string failure
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Implementations of "tar" that do not understand an extended pax
header would extract the contents of it in a regular file; make
sure the permission bits of this file follows the same tar.umask
configuration setting.
* bc/archive-pax-header-mode:
archive: honor tar.umask even for pax headers
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Optimize remotes configuration look-up in a repository with very
many remotes defined.
* pr/remotes-in-hashmap:
use a hashmap to make remotes faster
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"git log --pretty/format=" with an empty format string did not mean
the more obvious "No output whatsoever" but "Use default format",
which was counterintuitive.
* jk/pretty-empty-format:
pretty: make empty userformats truly empty
pretty: treat "--format=" as an empty userformat
revision: drop useless string offset when parsing "--pretty"
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Add in-core caching layer to let us avoid reading the same
configuration files number of times.
* ta/config-set:
test-config: add tests for the config_set API
add `config_set` API for caching config-like files
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* rs/init-no-duplicate-real-path:
init: avoid superfluous real_path() calls
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Start "git config --edit --global" from a skeletal per-user
configuration file contents, instead of a total blank, when the
user does not already have any. This immediately reduces the need
for a later "Have you forgotten setting core.user?" and we can add
more to the template as we gain more experience.
* mm/config-edit-global:
commit: advertise config --global --edit on guessed identity
home_config_paths(): let the caller ignore xdg path
config --global --edit: create a template file if needed
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There are cases where you lock and open to write a file, close it to
show the updated contents to external processes, and then have to
update the file again while still holding the lock, but the lockfile
API lacked support for such an access pattern.
* jc/reopen-lock-file:
lockfile: allow reopening a closed but still locked file
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* git://github.com/git-l10n/git-po:
po/TEAMS: add new members to German translation team
l10n: de.po: translate 38 new messages
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Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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Translate 38 new messages came from git.pot update in fe05e19
(l10n: git.pot: v2.1.0 round 1 (38 new, 9 removed)).
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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The implementation sends an LF, but the protocol documentation was
missing this detail.
Signed-off-by: Shawn Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix (rarely used) "git diff-tree -t" regression in 2.0.
* jk/diff-tree-t-fix:
intersect_paths: respect mode in git's tree-sort
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Reachability bitmaps do not work with shallow operations.
Fixes regression in 2.0.
* jk/pack-shallow-always-without-bitmap:
pack-objects: turn off bitmaps when we see --shallow lines
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Fix profile-feedback build broken in 2.1 for tarball releases.
* jk/fix-profile-feedback-build:
Makefile: make perf tests optional for profile build
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Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move most of the code of absolute_path() into the new function
strbuf_add_absolute_path() and in the process transform it to use
struct strbuf and xgetcwd() instead of a PATH_MAX-sized buffer,
which can be too small on some file systems.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of dying of a segmentation fault if getcwd() returns NULL, use
xgetcwd() to make sure to write a useful error message and then exit
in an orderly fashion.
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert several calls of getcwd() and die() to use xgetcwd() instead.
This way we get rid of fixed-size buffers (which can be too small
depending on the used file system) and gain consistent error messages.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Johannes Schindelin
Junio C Hamano
Ralf Thielow
Shawn Pearce
René Scharfe