| Age | Commit message (Collapse) | Author | Files | Lines |
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Message tweak.
* bs/difftool-msg-tweak:
difftool: fix word spacing in the usage strings
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Leakfix.
* rs/close-pack-leakfix:
packfile: release bad_objects in close_pack()
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Doc update.
* ab/bundle-remove-verbose-option:
bundle: remove ignored & undocumented "--verbose" flag
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Improve build procedure for developers.
* ab/auto-depend-with-pedantic:
Makefile: make COMPUTE_HEADER_DEPENDENCIES=auto work with DEVOPTS=pedantic
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"make clean" has been updated to remove leftover .depend/
directories, even when it is not told to use them to compute header
dependencies.
* ab/make-clean-depend-dirs:
Makefile: clean .depend dirs under COMPUTE_HEADER_DEPENDENCIES != yes
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Perf test fix.
* ds/perf-test-built-path-fix:
t/perf/run: fix bin-wrappers computation
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Sensitive data in the HTTP trace were supposed to be redacted, but
we failed to do so in HTTP/2 requests.
* jk/http-redact-fix:
http: match headers case-insensitively when redacting
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Help text for "ls-files" options have been updated.
* bs/ls-files-opt-help-text-update:
ls-files: use imperative mood for -X and -z option description
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"git difftool --dir-diff" mishandled symbolic links.
* da/difftool-dir-diff-symlink-fix:
difftool: fix symlink-file writing in dir-diff mode
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Futz with the way 'errno' is relied on in the refs API to carry the
failure modes up the call chain.
* hn/refs-errno-cleanup:
refs: make errno output explicit for read_raw_ref_fn
refs/files-backend: stop setting errno from lock_ref_oid_basic
refs: remove EINVAL errno output from specification of read_raw_ref_fn
refs file backend: move raceproof_create_file() here
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Continued work on top of the hn/refs-errno-cleanup topic.
* ab/refs-files-cleanup:
refs/files: remove unused "errno != ENOTDIR" condition
refs/files: remove unused "errno == EISDIR" code
refs/files: remove unused "oid" in lock_ref_oid_basic()
refs API: remove OID argument to reflog_expire()
reflog expire: don't lock reflogs using previously seen OID
refs/files: add a comment about refs_reflog_exists() call
refs: make repo_dwim_log() accept a NULL oid
refs/debug: re-indent argument list for "prepare"
refs/files: remove unused "skip" in lock_raw_ref() too
refs/files: remove unused "extras/skip" in lock_ref_oid_basic()
refs: drop unused "flags" parameter to lock_ref_oid_basic()
refs/files: remove unused REF_DELETING in lock_ref_oid_basic()
refs/packet: add missing BUG() invocations to reflog callbacks
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"git cvsserver" had a long-standing bug in its authentication code,
which has finally been corrected (it is unclear and is a separate
question if anybody is seriously using it, though).
* cb/cvsserver:
Documentation: cleanup git-cvsserver
git-cvsserver: protect against NULL in crypt(3)
git-cvsserver: use crypt correctly to compare password hashes
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CI help for l10n.
* jx/ci-l10n:
ci: new github-action for git-l10n code review
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"git clone" from a repository whose HEAD is unborn into a bare
repository didn't follow the branch name the other side used, which
is corrected.
* jk/clone-unborn-head-in-bare:
clone: handle unborn branch in bare repos
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"git stash", where the tentative change involves changing a
directory to a file (or vice versa), was confused, which has been
corrected.
* en/stash-df-fix:
stash: restore untracked files AFTER restoring tracked files
stash: avoid feeding directories to update-index
t3903: document a pair of directory/file bugs
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Typofixes.
* en/typofixes:
merge-ort: fix completely wrong comment
trace2.h: fix trivial comment typo
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The unicode character width table (used for output alignment) has
been updated.
* cb/unicode-14:
unicode: update the width tables to Unicode 14
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Code cleanup to limit memory consumption and tighten protocol
message parsing.
* jk/reduce-malloc-in-v2-servers:
ls-refs: reject unknown arguments
serve: reject commands used as capabilities
serve: reject bogus v2 "command=ls-refs=foo"
docs/protocol-v2: clarify some ls-refs ref-prefix details
ls-refs: ignore very long ref-prefix counts
serve: drop "keys" strvec
serve: provide "receive" function for session-id capability
serve: provide "receive" function for object-format capability
serve: add "receive" method for v2 capabilities table
serve: return capability "value" from get_capability()
serve: rename is_command() to parse_command()
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Unusable entries of a damaged pack file are recorded in the oidset
bad_objects. Release it when we're done with the pack.
This doesn't affect intact packs because an empty oidset requires
no allocation.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 73c3253d75e (bundle: framework for options before bundle file,
2019-11-10) the "git bundle" command was refactored to use
parse_options(). In that refactoring it started understanding the
"--verbose" flag before the subcommand, e.g.:
git bundle --verbose verify --quiet
However, nothing ever did anything with this "verbose" variable, and
the change wasn't documented. It appears to have been something that
escaped the lab, and wasn't flagged by reviewers at the time. Let's
just remove it.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* rs/use-xopen-in-index-pack:
index-pack: use xopen in init_thread
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Header comment fix.
* kz/revindex-comment-fix:
pack-revindex.h: correct the time complexity descriptions
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Leakfix.
* cb/plug-leaks-in-alloca-emu-users:
t0000: avoid masking git exit value through pipes
tree-diff: fix leak when not HAVE_ALLOCA_H
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Code refactoring.
* jt/submodule-name-to-gitdir:
submodule: extract path to submodule gitdir func
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Doc update.
* ma/doc-git-version:
documentation: add documentation for 'git version'
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The error in "git help no-such-git-command" is handled better.
* ma/help-w-check-for-requested-page:
help: make sure local html page exists before calling external processes
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Adjust credential-cache helper to Windows.
* cb/unix-sockets-with-windows:
git-compat-util: include declaration for unix sockets in windows
credential-cache: check for windows specific errors
t0301: fixes for windows compatibility
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An oddball OPTION_ARGUMENT feature has been removed from the
parse-options API.
* ab/retire-option-argument:
parse-options API: remove OPTION_ARGUMENT feature
difftool: use run_command() API in run_file_diff()
difftool: prepare "diff" cmdline in cmd_difftool()
difftool: prepare "struct child_process" in cmd_difftool()
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Rewrite of "git bisect" in C continues.
* mr/bisect-in-c-4:
bisect--helper: retire `--bisect-next-check` subcommand
bisect--helper: reimplement `bisect_run` shell function in C
bisect--helper: reimplement `bisect_visualize()` shell function in C
run-command: make `exists_in_PATH()` non-static
t6030-bisect-porcelain: add test for bisect visualize
t6030-bisect-porcelain: add tests to control bisect run exit cases
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Code clean-up.
* ab/unused-script-helpers:
test-lib: remove unused $_x40 and $_z40 variables
git-bisect: remove unused SHA-1 $x40 shell variable
git-sh-setup: remove unused "pull with rebase" message
git-submodule: remove unused is_zero_oid() function
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Conditional compilation around versions of libcURL has been
straightened out.
* ab/http-drop-old-curl-plus:
http: don't hardcode the value of CURL_SOCKOPT_OK
http: centralize the accounting of libcurl dependencies
http: correct curl version check for CURLOPT_PINNEDPUBLICKEY
http: correct version check for CURL_HTTP_VERSION_2
http: drop support for curl < 7.18.0 (again)
Makefile: drop support for curl < 7.9.8 (again)
INSTALL: mention that we need libcurl 7.19.4 or newer to build
INSTALL: reword and copy-edit the "libcurl" section
INSTALL: don't mention the "curl" executable at all
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Doc update.
* po/git-config-doc-mentions-help-c:
doc: config, tell readers of `git help --config`
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Taking advantage of the CGI interface, http-backend has been
updated to enable protocol v2 automatically when the other side
asks for it.
* jk/http-server-protocol-versions:
docs/protocol-v2: point readers transport config discussion
docs/git: discuss server-side config for GIT_PROTOCOL
docs/http-backend: mention v2 protocol
http-backend: handle HTTP_GIT_PROTOCOL CGI variable
t5551: test v2-to-v0 http protocol fallback
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Code clean-up.
* ab/gc-remove-unused-call:
gc: remove unused launchctl_get_uid() call
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Code clean-up.
* ab/test-tool-run-command-cleanup:
test-tool run-command: fix flip-flop init pattern
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Test clean-up.
* en/tests-cleanup-leftover-untracked:
tests: remove leftover untracked files
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Correct nr and alloc members of strvec struct to be of type size_t.
* jk/strvec-typefix:
strvec: use size_t to store nr and alloc
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Code clean-up.
* rs/drop-core-compression-vars:
compression: drop write-only core_compression_* variables
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Replace a handcrafted data structure used to keep track of bad
objects in the packfile API by an oidset.
* rs/packfile-bad-object-list-in-oidset:
packfile: use oidset for bad objects
packfile: convert has_packed_and_bad() to object_id
packfile: convert mark_bad_packed_object() to object_id
midx: inline nth_midxed_pack_entry()
oidset: make oidset_size() an inline function
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When "git am --abort" fails to abort correctly, it still exited
with exit status of 0, which has been corrected.
* en/am-abort-fix:
am: fix incorrect exit status on am fail to abort
t4151: add a few am --abort tests
git-am.txt: clarify --abort behavior
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"git update-ref --stdin" failed to flush its output as needed,
which potentially led the conversation to a deadlock.
* ps/update-ref-batch-flush:
t1400: avoid SIGPIPE race condition on fifo
update-ref: fix streaming of status updates
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The difftool dir-diff mode handles symlinks by replacing them with their
readlink(2) values. This allows diff tools to see changes to symlinks
as if they were regular text diffs with the old and new path values.
This is analogous to what "git diff" displays when symlinks change.
The temporary diff directories that are created initially contain
symlinks because they get checked-out using a temporary index that
retains the original symlinks as checked-in to the repository.
A bug was introduced when difftool was rewritten in C that made
difftool write the readlink(2) contents into the pointed-to file rather
than the symlink itself. The write was going through the symlink and
writing to its target rather than writing to the symlink path itself.
Replace symlinks with raw text files by unlinking the symlink path
before writing the readlink(2) content into them.
When 18ec800512 (difftool: handle modified symlinks in dir-diff mode,
2017-03-15) added handling for modified symlinks this bug got recorded
in the test suite. The tests included the pointed-to symlink target
paths. These paths were being reported because difftool was erroneously
writing to them, but they should have never been reported nor written.
Correct the modified-symlinks test cases by removing the target files
from the expected output.
Add a test to ensure that symlinks are written with the readlink(2)
values and that the target files contain their original content.
Reported-by: Alan Blotz <work@blotz.org>
Helped-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "COMPUTE_HEADER_DEPENDENCIES" feature added in [1] was extended to
use auto-detection in [2], that "auto" detection has always piped
STDERR to /dev/null, so any failures on compilers that didn't support
these GCC flags would silently fall back to
"COMPUTE_HEADER_DEPENDENCIES=no".
Later when -Wpedantic support was added to DEVOPTS in [3] we started
passing -Wpedantic in combination with -Werror to the compiler
here. Note (to the pedantic): [3] actually passed "-pedantic", but it
and "-Wpedantic" are synonyms.
Turning on -Wpedantic in [3] broke the auto-detection, since this
relies on compiling an empty program. GCC would loudly complain on
STDERR:
/dev/null:1: error: ISO C forbids an empty translation unit
[-Werror=pedantic]
cc1: note: unrecognized command-line option
‘-Wno-pedantic-ms-format’ may have been intended to silence
earlier diagnostics
cc1: all warnings being treated as errors
But as that ended up in the "$(dep_check)" variable due to the "2>&1"
in [2] we didn't see it.
Then when [4] made DEVOPTS=pedantic the default specifying
"DEVELOPER=1" would effectively set "COMPUTE_HEADER_DEPENDENCIES=no".
To fix these issues let's unconditionally pass -Wno-pedantic after
$(ALL_CFLAGS), we might get a -Wpedantic via config.mak.dev after, or
the builder might specify it via CFLAGS. In either case this will undo
current and future problems with -Wpedantic.
I think it would make sense to simply remove the "2>&1", it would mean
that anyone using a non-GCC-like compiler would get warnings under
COMPUTE_HEADER_DEPENDENCIES=auto, e.g on AIX's xlc would emit:
/opt/IBM/xlc/13.1.3/bin/.orig/xlc: 1501-208 (S) command option D is missing a subargument
Non-zero 40 exit with COMPUTE_HEADER_DEPENDENCIES=auto, set it to "yes" or "no" to quiet auto-detect
And on Solaris with SunCC:
cc: Warning: Option -x passed to ld, if ld is invoked, ignored otherwise
cc: refused to overwrite input file by output file: /dev/null
cc: Warning: Option -x passed to ld, if ld is invoked, ignored otherwise
cc: refused to overwrite input file by output file: /dev/null
Non-zero 1 exit with COMPUTE_HEADER_DEPENDENCIES=auto, set it to "yes" or "no" to quiet auto-detect
Both could be quieted by setting COMPUTE_HEADER_DEPENDENCIES=no
explicitly, as suggested, but let's see if this'll fix it without
emitting too much noise at those that aren't using "gcc" or "clang".
1. f2fabbf76e4 (Teach Makefile to check header dependencies,
2010-01-26)
2. 111ee18c31f (Makefile: Use computed header dependencies if the
compiler supports it, 2011-08-18)
3. 729b3925ed9 (Makefile: add a DEVOPTS flag to get pedantic
compilation, 2018-07-24)
4. 6a8cbc41bac (developer: enable pedantic by default, 2021-09-03)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When HTTP/2 is in use, we fail to correctly redact "Authorization" (and
other) headers in our GIT_TRACE_CURL output.
We get the headers in our CURLOPT_DEBUGFUNCTION callback, curl_trace().
It passes them along to curl_dump_header(), which in turn checks
redact_sensitive_header(). We see the headers as a text buffer like:
Host: ...
Authorization: Basic ...
After breaking it into lines, we match each header using skip_prefix().
This is case-sensitive, even though HTTP headers are case-insensitive.
This has worked reliably in the past because these headers are generated
by curl itself, which is predictable in what it sends.
But when HTTP/2 is in use, instead we get a lower-case "authorization:"
header, and we fail to match it. The fix is simple: we should match with
skip_iprefix().
Testing is more complicated, though. We do have a test for the redacting
feature, but we don't hit the problem case because our test Apache setup
does not understand HTTP/2. You can reproduce the issue by applying this
on top of the test change in this patch:
diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index afa91e38b0..19267c7107 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -29,6 +29,9 @@ ErrorLog error.log
LoadModule setenvif_module modules/mod_setenvif.so
</IfModule>
+LoadModule http2_module modules/mod_http2.so
+Protocols h2c
+
<IfVersion < 2.4>
LockFile accept.lock
</IfVersion>
@@ -64,8 +67,8 @@ LockFile accept.lock
<IfModule !mod_access_compat.c>
LoadModule access_compat_module modules/mod_access_compat.so
</IfModule>
-<IfModule !mod_mpm_prefork.c>
- LoadModule mpm_prefork_module modules/mod_mpm_prefork.so
+<IfModule !mod_mpm_event.c>
+ LoadModule mpm_event_module modules/mod_mpm_event.so
</IfModule>
<IfModule !mod_unixd.c>
LoadModule unixd_module modules/mod_unixd.so
diff --git a/t/t5551-http-fetch-smart.sh b/t/t5551-http-fetch-smart.sh
index 1c2a444ae7..ff74f0ae8a 100755
--- a/t/t5551-http-fetch-smart.sh
+++ b/t/t5551-http-fetch-smart.sh
@@ -24,6 +24,10 @@ test_expect_success 'create http-accessible bare repository' '
git push public main:main
'
+test_expect_success 'prefer http/2' '
+ git config --global http.version HTTP/2
+'
+
setup_askpass_helper
test_expect_success 'clone http repository' '
but this has a few issues:
- it's not necessarily portable. The http2 apache module might not be
available on all systems. Further, the http2 module isn't compatible
with the prefork mpm, so we have to switch to something else. But we
don't necessarily know what's available. It would be nice if we
could have conditional config, but IfModule only tells us if a
module is already loaded, not whether it is available at all.
This might be a non-issue. The http tests are already optional, and
modern-enough systems may just have both of these. But...
- if we do this, then we'd no longer be testing HTTP/1.1 at all. I'm
not sure how much that matters since it's all handled by curl under
the hood, but I'd worry that some detail leaks through. We'd
probably want two scripts running similar tests, one with HTTP/2 and
one with HTTP/1.1.
- speaking of which, a later test fails with the patch above! The
problem is that it is making sure we used a chunked
transfer-encoding by looking for that header in the trace. But
HTTP/2 doesn't support that, as it has its own streaming mechanisms
(the overall operation works fine; we just don't see the header in
the trace).
Furthermore, even with the changes above, this test still does not
detect the current failure, because we see _both_ HTTP/1.1 and HTTP/2
requests, which confuse it. Quoting only the interesting bits from the
resulting trace file, we first see:
=> Send header: GET /auth/smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1
=> Send header: Connection: Upgrade, HTTP2-Settings
=> Send header: Upgrade: h2c
=> Send header: HTTP2-Settings: AAMAAABkAAQCAAAAAAIAAAAA
<= Recv header: HTTP/1.1 401 Unauthorized
<= Recv header: Date: Wed, 22 Sep 2021 20:03:32 GMT
<= Recv header: Server: Apache/2.4.49 (Debian)
<= Recv header: WWW-Authenticate: Basic realm="git-auth"
So the client asks for HTTP/2, but Apache does not do the upgrade for
the 401 response. Then the client repeats with credentials:
=> Send header: GET /auth/smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1
=> Send header: Authorization: Basic <redacted>
=> Send header: Connection: Upgrade, HTTP2-Settings
=> Send header: Upgrade: h2c
=> Send header: HTTP2-Settings: AAMAAABkAAQCAAAAAAIAAAAA
<= Recv header: HTTP/1.1 101 Switching Protocols
<= Recv header: Upgrade: h2c
<= Recv header: Connection: Upgrade
<= Recv header: HTTP/2 200
<= Recv header: content-type: application/x-git-upload-pack-advertisement
So the client does properly redact there, because we're speaking
HTTP/1.1, and the server indicates it can do the upgrade. And then the
client will make further requests using HTTP/2:
=> Send header: POST /auth/smart/repo.git/git-upload-pack HTTP/2
=> Send header: authorization: Basic dXNlckBob3N0OnBhc3NAaG9zdA==
=> Send header: content-type: application/x-git-upload-pack-request
And there we can see that the credential is _not_ redacted. This part of
the test is what gets confused:
# Ensure that there is no "Basic" followed by a base64 string, but that
# the auth details are redacted
! grep "Authorization: Basic [0-9a-zA-Z+/]" trace &&
grep "Authorization: Basic <redacted>" trace
The first grep does not match the un-redacted HTTP/2 header, because
it insists on an uppercase "A". And the second one does find the
HTTP/1.1 header. So as far as the test is concerned, everything is OK,
but it failed to notice the un-redacted lines.
We can make this test (and the other related ones) more robust by adding
"-i" to grep case-insensitively. This isn't really doing anything for
now, since we're not actually speaking HTTP/2, but it future-proofs the
tests for a day when we do (either we add explicit HTTP/2 test support,
or it's eventually enabled by default by our Apache+curl test setup).
And it doesn't hurt in the meantime for the tests to be more careful.
The change to use "grep -i", coupled with the changes to use HTTP/2
shown above, causes the test to fail with the current code, and pass
after this patch is applied.
And finally, there's one other way to demonstrate the issue (and how I
actually found it originally). Looking at GIT_TRACE_CURL output against
github.com, you'll see the unredacted output, even if you didn't set
http.version. That's because setting it is only necessary for curl to
send the extra headers in its HTTP/1.1 request that say "Hey, I speak
HTTP/2; upgrade if you do, too". But for a production site speaking
https, the server advertises via ALPN, a TLS extension, that it supports
HTTP/2, and the client can immediately start using it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove spaces in `non - zero` and add a space between the diff
format/mode and option parentheses in difftool's usage strings.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a logic error in dfea575017d (Makefile: lazily compute header
dependencies, 2010-01-26) where we'd make whether we cleaned the
.depend dirs contingent on the currently configured
COMPUTE_HEADER_DEPENDENCIES value. Before this running e.g.:
make COMPUTE_HEADER_DEPENDENCIES=yes grep.o
make COMPUTE_HEADER_DEPENDENCIES=no clean
Would leave behind the .depend directory, now it'll be removed.
Normally we'd need to use another variable, but in this case there's
no other uses of $(dep_dirs), as opposed to $(dep_args) which is used
as an argument to $(CC). So just deleting this line makes everything
work correctly.
See http://lore.kernel.org/git/xmqqmto48ufz.fsf@gitster.g for a report
about this issue.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The GIT_TEST_INSTALLED was moved from perf-lib.sh to run in df0f5021
(perf-lib.sh: remove GIT_TEST_INSTALLED from perf-lib.sh, 2019-05-07)
and that included a change to how it inspected the existence of a
bin-wrappers directory. However, that included a typo that made the
match of bin-wrappers never work. Specifically, the assignment was
mydir_abs_wrappers="$mydir_abs_wrappers/bin-wrappers"
which uses the same variable before it is initialized. By changing it to
mydir_abs_wrappers="$mydir_abs/bin-wrappers"
We can correctly use the bin-wrappers directory.
This is critical to successfully computing performance of commands that
execute subcommands. The bin-wrappers ensure that the --exec-path is set
correctly.
Reported-by: Victoria Dye <vdye@github.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Usage description for -X and -z options use descriptive instead of
imperative mood. Edit it for consistency with other options.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
René Scharfe
Ævar Arnfjörð Bjarmason
David Aguilar
Jeff King
Bagas Sanjaya
Derrick Stolee