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Rather than pulling the session-id string from the list of collected
capabilities, we can handle it as soon as we receive it. This gets us
closer to dropping the collected list entirely.
The behavior should be the same, with one exception. Previously if the
client sent us multiple session-id lines, we'd report only the first.
Now we'll pass each one along to trace2. This shouldn't matter in
practice, since clients shouldn't do that (and if they do, it's probably
sensible to log them all).
As this removes the last caller of the static has_capability(), we can
remove it, as well (and in fact we must to avoid -Wunused-function
complaining).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We get any "object-format" specified by the client by searching for it
in the collected list of capabilities the client sent. We can instead
just handle it as soon as they send it. This is slightly more efficient,
and gets us one step closer to dropping that collected list.
Note that we do still have to do our final hash check after receiving
all capabilities (because they might not have sent an object-format line
at all, and we still have to check that the default matches our
repository algorithm). Since the check_algorithm() function would now be
down to a single if() statement, I've just inlined it in its only
caller.
There should be no change of behavior here, except for two
broken-protocol cases:
- if the client sends multiple conflicting object-format capabilities
(which they should not), we'll now choose the last one rather than
the first. We could also detect and complain about the duplicates
quite easily now, which we could not before, but I didn't do so
here.
- if the client sends a bogus "object-format" with no equals sign,
we'll now say so, rather than "unknown object format: ''"
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a capabilities table that tells us what we should tell the
client we are capable of, and what to do when a client gives us a
particular command (e.g., "command=ls-refs"). But it doesn't tell us
what to do when the client sends us back a capability (e.g.,
"object-format=sha256"). We just collect them all in a strvec and hope
somebody can use them later.
Instead, let's provide a function pointer in the table to act on these.
This will eventually help us avoid collecting the strings, which will be
more efficient and less prone to mischief.
Using the new method is optional, which helps in two ways:
- we can move existing capabilities over to this new system gradually
in individual commits
- some capabilities we don't actually do anything with anyway. For
example, the client is free to say "agent=git/1.2.3" to us, but we
do not act on the information in any way.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the client sends v2 capabilities, they may be simple, like:
foo
or have a value like:
foo=bar
(all of the current capabilities actually expect a value, but the
protocol allows for boolean ones).
We use get_capability() to make sure the client's pktline matches a
capability. In doing so, we parse enough to see the "=" and the value
(if any), but we immediately forget it. Nobody cares for now, because they end
up parsing the values out later using has_capability(). But in
preparation for changing that, let's pass back a pointer so the callers
know what we found.
Note that unlike has_capability(), we'll return NULL for a "simple"
capability. Distinguishing these will be useful for some future patches.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The is_command() function not only tells us whether the pktline is a
valid command string, but it also parses out the command (and complains
if we see a duplicate). Let's rename it to make those extra functions
a bit more obvious.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ab/serve-cleanup:
upload-pack: document and rename --advertise-refs
serve.[ch]: remove "serve_options", split up --advertise-refs code
{upload,receive}-pack tests: add --advertise-refs tests
serve.c: move version line to advertise_capabilities()
serve: move transfer.advertiseSID check into session_id_advertise()
serve.[ch]: don't pass "struct strvec *keys" to commands
serve: use designated initializers
transport: use designated initializers
transport: rename "fetch" in transport_vtable to "fetch_refs"
serve: mark has_capability() as static
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The logic for auto-correction of misspelt subcommands learned to go
interactive when the help.autocorrect configuration variable is set
to 'prompt'.
* ab/help-autocorrect-prompt:
help.c: help.autocorrect=prompt waits for user action
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CI update.
* cb/ci-build-pedantic:
ci: run a pedantic build as part of the GitHub workflow
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Tie-break branches that point at the same object in the list of
branches on GitWeb to show the one pointed at by HEAD early.
* gh/gitweb-branch-sort:
gitweb: use HEAD as secondary sort key in git_get_heads_list()
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Code cleanup.
* rs/archive-use-object-id:
archive: convert queue_directory to struct object_id
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Code cleanup.
* rs/show-branch-simplify:
show-branch: simplify rev_is_head()
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Doc update plus improved error reporting.
* jk/log-warn-on-bogus-encoding:
docs: use "character encoding" to refer to commit-object encoding
logmsg_reencode(): warn when iconv() fails
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Build fix.
* cb/remote-ndebug-fix:
remote: avoid -Wunused-but-set-variable in gcc with -DNDEBUG
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Code clean up to migrate callers from older advice_config[] based
API to newer advice_if_enabled() and advice_enabled() API.
* ab/retire-advice-config:
advice: move advice.graftFileDeprecated squashing to commit.[ch]
advice: remove use of global advice_add_embedded_repo
advice: remove read uses of most global `advice_` variables
advice: add enum variants for missing advice variables
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After "git clone --recurse-submodules", all submodules are cloned
but they are not by default recursed into by other commands. With
submodule.stickyRecursiveClone configuration set, submodule.recurse
configuration is set to true in a repository created by "clone"
with "--recurse-submodules" option.
* mk/clone-recurse-submodules:
clone: set submodule.recurse=true if submodule.stickyRecursiveClone enabled
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Leakfix.
* ab/mailmap-leakfix:
mailmap.c: fix a memory leak in free_mailap_{info,entry}()
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A pathname in an advice message has been made cut-and-paste ready.
* ab/gc-log-rephrase:
gc: remove trailing dot from "gc.log" line
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Update the userdiff pattern for PHP.
* uk/userdiff-php-enum:
userdiff: support enum keyword in PHP hunk header
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The output from "git fast-export", when its anonymization feature
is in use, showed an annotated tag incorrectly.
* tk/fast-export-anonymized-tag-fix:
fast-export: fix anonymized tag using original length
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Leakfix.
* ba/object-info:
protocol-caps.c: fix memory leak in send_info()
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Fixes on usage message from "git commit-graph".
* ab/commit-graph-usage:
commit-graph: show "unexpected subcommand" error
commit-graph: show usage on "commit-graph [write|verify] garbage"
commit-graph: early exit to "usage" on !argc
multi-pack-index: refactor "goto usage" pattern
commit-graph: use parse_options_concat()
commit-graph: remove redundant handling of -h
commit-graph: define common usage with a macro
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Even when running "git send-email" without its own threaded
discussion support, a threading related header in one message is
carried over to the subsequent message to result in an unwanted
threading, which has been corrected.
* mh/send-email-reset-in-reply-to:
send-email: avoid incorrect header propagation
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Code simplification.
* rs/more-fspathcmp:
merge-recursive: use fspathcmp() in path_hashmap_cmp()
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Buggy tests could damage repositories outside the throw-away test
area we created. We now by default export GIT_CEILING_DIRECTORIES
to limit the damage from such a stray test.
* sg/set-ceiling-during-tests:
test-lib: set GIT_CEILING_DIRECTORIES to protect the surrounding repository
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The sparse-index support can corrupt the index structure by storing
a stale and/or uninitialized data, which has been corrected.
* jh/sparse-index-resize-fix:
sparse-index: copy dir_hash in ensure_full_index()
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Typofix.
* es/walken-tutorial-fix:
doc: fix syntax error and the format of printf
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Code simplification with reduced memory usage.
* tb/add-objects-in-unpacked-packs-simplify:
builtin/pack-objects.c: remove duplicate hash lookup
builtin/pack-objects.c: simplify add_objects_in_unpacked_packs()
object-store.h: teach for_each_packed_object to ignore kept packs
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"git fetch --quiet" optimization to avoid useless computation of
info that will never be displayed.
* ps/fetch-omit-formatting-under-quiet:
fetch: skip formatting updated refs with `--quiet`
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"git upload-pack" which runs on the other side of "git fetch"
forgot to take the ref namespaces into account when handling
want-ref requests.
* ka/want-ref-in-namespace:
docs: clarify the interaction of transfer.hideRefs and namespaces
upload-pack.c: treat want-ref relative to namespace
t5730: introduce fetch command helper
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The advice message that "git cherry-pick" gives when it asks
conflicted replay of a commit to be resolved by the end user has
been updated.
* zh/cherry-pick-advice:
cherry-pick: use better advice message
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"git rebase" by default skips changes that are equivalent to
commits that are already in the history the branch is rebased onto;
give messages when this happens to let the users be aware of
skipped commits, and also teach them how to tell "rebase" to keep
duplicated changes.
* js/advise-when-skipping-cherry-picked:
sequencer: advise if skipping cherry-picked commit
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The parser for the "--nl" option of "git column" has been
corrected.
* sg/column-nl:
column: fix parsing of the '--nl' option
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Build update for Apple clang.
* cb/makefile-apple-clang:
build: catch clang that identifies itself as "$VENDOR clang"
build: clang version may not be followed by extra words
build: update detect-compiler for newer Xcode version
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Micro-optimization for the wire protocol driver.
* ps/ls-refs-strbuf-optim:
ls-refs: reuse buffer when sending refs
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"git branch -D <branch>" used to refuse to remove a broken branch
ref that points at a missing commit, which has been corrected.
* rs/branch-allow-deleting-dangling:
branch: allow deleting dangling branches with --force
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The delayed checkout code path in "git checkout" etc. were chatty
even when --quiet and/or --no-progress options were given.
* mt/quiet-with-delayed-checkout:
checkout: make delayed checkout respect --quiet and --no-progress
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Error diagnostics improvement.
* rs/xopen-reports-open-failures:
use xopen() to handle fatal open(2) failures
xopen: explicitly report creation failures
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"git diff --relative" segfaulted and/or produced incorrect result
when there are unmerged paths.
* dd/diff-files-unmerged-fix:
diff-lib: ignore paths that are outside $cwd if --relative asked
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Test fix.
* dd/t6300-wo-gpg-fix:
t6300: check for cat-file exit status code
t6300: don't run cat-file on non-existent object
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Leak fix.
* mh/credential-leakfix:
credential: fix leak in credential_apply_config()
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Test fix.
* jk/t5323-no-pack-test-fix:
t5323: drop mentions of "master"
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"git maintenance" scheduler fix for macOS.
* js/maintenance-launchctl-fix:
maintenance: skip bootout/bootstrap when plist is registered
maintenance: create `launchctl` configuration using a lock file
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Error message fix.
* ab/rebase-fatal-fatal-fix:
rebase: emit one "fatal" in "fatal: fatal: <error>"
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Debugging aid fix.
* ab/ls-remote-packet-trace:
ls-remote: set packet_trace_identity(<name>)
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mmap() imitation used to call xmalloc() that dies upon malloc()
failure, which has been corrected to just return an error to the
caller to be handled.
* rs/git-mmap-uses-malloc:
compat: let git_mmap use malloc(3) directly
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Test fix.
* ga/send-email-sendmail-cmd:
t9001: PATH must not use Windows-style paths
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Test fix.
* me/t5582-cleanup:
t5582: remove spurious 'cd "$D"' line
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Jeff King
Junio C Hamano