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If 'git clone' couldn't execute 'transport_fetch_refs()' (e.g., because
of an error on the remote's side in 'git upload-pack'), then it will
silently ignore it.
Even though this has been the case at least since clone was ported to C
(way back in 8434c2f1af (Build in clone, 2008-04-27)), 'git fetch'
doesn't ignore these and reports any failures it sees.
That suggests that ignoring the return value in 'git clone' is simply an
oversight that should be corrected. That's exactly what this patch does.
(Noticing and fixing this is no coincidence, we'll want it in the next
patch in order to demonstrate a regression in 'git upload-pack' via a
'git clone'.)
There's no additional logging here, but that matches how 'git fetch'
handles the same case. An assumption there is that whichever part of
transport_fetch_refs() fails will complain loudly, so any additional
logging here is redundant.
Co-authored-by: Jeff King <peff@peff.net>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Simplify the logic to deal with a repack operation that ended up
creating the same packfile.
* tb/repack-simplify:
builtin/repack.c: don't move existing packs out of the way
builtin/repack.c: keep track of what pack-objects wrote
repack: make "exts" array available outside cmd_repack()
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"git pull --rebase --recurse-submodules" checked for local changes
in a wrong range and failed to run correctly when it should.
* pb/pull-rebase-recurse-submodules:
pull: check for local submodule modifications with the right range
t5572: describe '--rebase' tests a little more
t5572: add notes on a peculiar test
pull --rebase: compute rebase arguments in separate function
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Multiple "credential-store" backends can race to lock the same
file, causing everybody else but one to fail---reattempt locking
with some timeout to reduce the rate of the failure.
* sa/credential-store-timeout:
crendential-store: use timeout when locking file
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Error message fix.
* km/stash-error-message-fix:
stash: add missing space to an error message
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Fix formulation of an error message with two placeholders in "git
worktree add" subcommand.
* mt/worktree-error-message-fix:
worktree: fix order of arguments in error message
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Fix an option name in "gc" documentation.
* ab/gc-keep-base-option:
gc: rename keep_base_pack variable for --keep-largest-pack
gc docs: change --keep-base-pack to --keep-largest-pack
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UI improvement.
* js/pull-rebase-use-advise:
pull: colorize the hint about setting `pull.rebase`
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Fix broken sorting of maintenance tasks.
* rs/gc-sort-func-cast-fix:
gc: fix cast in compare_tasks_by_selection()
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The code was not prepared to deal with pack .idx file that is
larger than 4GB.
* jk/4gb-idx:
packfile: detect overflow in .idx file size checks
block-sha1: take a size_t length parameter
fsck: correctly compute checksums on idx files larger than 4GB
use size_t to store pack .idx byte offsets
compute pack .idx byte offsets using size_t
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The exchange between receive-pack and proc-receive hook did not
carefully check for errors.
* jx/t5411-flake-fix:
receive-pack: use default version 0 for proc-receive
receive-pack: gently write messages to proc-receive
t5411: new helper filter_out_user_friendly_and_stable_output
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When holding the lock for rewriting the credential file, use a timeout
to avoid race conditions when the credentials file needs to be updated
in parallel.
An example would be doing `fetch --all` on a repository with several
remotes that need credentials, using parallel fetching.
The timeout can be configured using "credentialStore.lockTimeoutMS",
defaulting to 1 second.
Signed-off-by: Simão Afonso <simao.afonso@powertools-tech.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Restore a space that was lost in 8a0fc8d19d (stash: convert apply to
builtin, 2019-02-25).
Signed-off-by: Kyle Meyer <kyle@kyleam.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A specialization of hashmap that uses a string as key has been
introduced. Hopefully it will see wider use over time.
* en/strmap:
shortlog: use strset from strmap.h
Use new HASHMAP_INIT macro to simplify hashmap initialization
strmap: take advantage of FLEXPTR_ALLOC_STR when relevant
strmap: enable allocations to come from a mem_pool
strmap: add a strset sub-type
strmap: split create_entry() out of strmap_put()
strmap: add functions facilitating use as a string->int map
strmap: enable faster clearing and reusing of strmaps
strmap: add more utility functions
strmap: new utility functions
hashmap: provide deallocation function names
hashmap: introduce a new hashmap_partial_clear()
hashmap: allow re-use after hashmap_free()
hashmap: adjust spacing to fix argument alignment
hashmap: add usage documentation explaining hashmap_free[_entries]()
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"git rev-parse" learned the "--end-of-options" to help scripts to
safely take a parameter that is supposed to be a revision, e.g.
"git rev-parse --verify -q --end-of-options $rev".
* jk/rev-parse-end-of-options:
rev-parse: handle --end-of-options
rev-parse: put all options under the "-" check
rev-parse: don't accept options after dashdash
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The maximum length of output filenames "git format-patch" creates
has become configurable (used to be capped at 64).
* jc/format-patch-name-max:
format-patch: make output filename configurable
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`git worktree add` (without --force) errors out when given a path
that is already registered as a worktree and the path is missing on
disk. But the `cmd` and `path` strings are switched on the error
message. Let's fix that.
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As noted in an earlier change the keep_base_pack variable name is a
relic from an earlier on-list version of ae4e89e549 ("gc: add
--keep-largest-pack option", 2018-04-15) before it was renamed to
--keep-largest-pack.
Let's change the variable name to avoid that confusion, it's easier to
read the code if there's a 1=1 mapping between the variable name and
option name.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In d18c950a69f (pull: warn if the user didn't say whether to rebase or
to merge, 2020-03-09), a new hint was introduced to encourage users to
make a conscious decision about whether they want their pull to merge or
to rebase by configuring the `pull.rebase` setting.
This warning was clearly intended to advise users, but as pointed out in
https://lore.kernel.org/git/87ima2rdsm.fsf%40evledraar.gmail.com, it
uses `warning()` instead of `advise()`.
One consequence is that the advice is not colorized in the same manner
as other, similar messages. So let's use `advise()` instead.
Pointed-out-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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compare_tasks_by_selection() is used with QSORT and gets passed pointers
to the elements of "static struct maintenance_task tasks[]". It casts
the *addresses* of these passed pointers to element pointers, though,
and thus effectively compares some unrelated values from the stack. Fix
the casts to actually compare array elements.
Detected by USan (make SANITIZE=undefined test).
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git blame -L :funcname -- path" did not work well for a path for
which a userdiff driver is defined.
* pb/blame-funcname-range-userdiff:
blame: simplify 'setup_blame_bloom_data' interface
blame: simplify 'setup_scoreboard' interface
blame: enable funcname blaming with userdiff driver
line-log: mention both modes in 'blame' and 'log' short help
doc: add more pointers to gitattributes(5) for userdiff
blame-options.txt: also mention 'funcname' in '-L' description
doc: line-range: improve formatting
doc: log, gitk: move '-L' description to 'line-range-options.txt'
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Preparation for a new merge strategy.
* en/merge-ort-api-null-impl:
merge,rebase,revert: select ort or recursive by config or environment
fast-rebase: demonstrate merge-ort's API via new test-tool command
merge-ort-wrappers: new convience wrappers to mimic the old merge API
merge-ort: barebones API of new merge strategy with empty implementation
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Parts of "git maintenance" to ease writing crontab entries (and
other scheduling system configuration) for it.
* ds/maintenance-part-3:
maintenance: add troubleshooting guide to docs
maintenance: use 'incremental' strategy by default
maintenance: create maintenance.strategy config
maintenance: add start/stop subcommands
maintenance: add [un]register subcommands
for-each-repo: run subcommands on configured repos
maintenance: add --schedule option and config
maintenance: optionally skip --auto process
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"git rebase -i" did not store ORIG_HEAD correctly.
* pw/rebase-i-orig-head:
rebase -i: simplify get_revision_ranges()
rebase -i: use struct object_id when writing state
rebase -i: use struct object_id rather than looking up commit
rebase -i: stop overwriting ORIG_HEAD buffer
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"git format-patch --output=there" did not work as expected and
instead crashed. The option is now supported.
* jk/format-patch-output:
format-patch: support --output option
format-patch: tie file-opening logic to output_directory
format-patch: refactor output selection
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"git log -L<range>:<path>" is documented to take no pathspec, but
this was not enforced by the command line option parser, which has
been corrected.
* jc/line-log-takes-no-pathspec:
log: diagnose -L used with pathspec as an error
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The code to see if "git stash drop" can safely remove refs/stash
has been made more carerful.
* rs/empty-reflog-check-fix:
stash: simplify reflog emptiness check
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When 'git repack' creates a pack with the same name as any existing
pack, it moves the existing one to 'old-pack-xxx.{pack,idx,...}' and
then renames the new one into place.
Eventually, it would be nice to have 'git repack' allow for writing a
multi-pack index at the critical time (after the new packs have been
written / moved into place, but before the old ones have been deleted).
Guessing that this option might be called '--write-midx', this makes the
following situation (where repacks are issued back-to-back without any
new objects) impossible:
$ git repack -adb
$ git repack -adb --write-midx
In the second repack, the existing packs are overwritten verbatim with
the same rename-to-old sequence. At that point, the current MIDX is
invalidated, since it refers to now-missing packs. So that code wants to
be run after the MIDX is re-written. But (prior to this patch) the new
MIDX can't be written until the new packs are moved into place. So, we
have a circular dependency.
This is all hypothetical, since no code currently exists to write a MIDX
safely during a 'git repack' (the 'GIT_TEST_MULTI_PACK_INDEX' does so
unsafely). Putting hypothetical aside, though: why do we need to rename
existing packs to be prefixed with 'old-' anyway?
This behavior dates all the way back to 2ad47d6 (git-repack: Be
careful when updating the same pack as an existing one., 2006-06-25).
2ad47d6 is mainly concerned about a case where a newly written pack
would have a different structure than its index. This used to be
possible when the pack name was a hash of the set of objects. Under this
naming scheme, two packs that store the same set of objects could differ
in delta selection, object positioning, or both. If this happened, then
any such packs would be unreadable in the instant between copying the
new pack and new index (i.e., either the index or pack will be stale
depending on the order that they were copied).
But since 1190a1a (pack-objects: name pack files after trailer hash,
2013-12-05), this is no longer possible, since pack files are named not
after their logical contents (i.e., the set of objects), but by the
actual checksum of their contents. So, this old- behavior can safely go,
which allows us to avoid our circular dependency above.
In addition to avoiding the circular dependency, this patch also makes
'git repack' a lot simpler, since we don't have to deal with failures
encountered when renaming existing packs to be prefixed with 'old-'.
This patch is mostly limited to removing code paths that deal with the
'old' prefixing, with the exception of files that include the pack's
name in their own filename, like .idx, .bitmap, and related files. The
exception is that we want to continue to trust what pack-objects wrote.
That is, it is not the case that we pretend as if pack-objects didn't
write files identical to ones that already exist, but rather that we
respect what pack-objects wrote as the source of truth. That cuts two
ways:
- If pack-objects produced an identical pack to one that already
exists with a bitmap, but did not produce a bitmap, we remove the
bitmap that already exists. (This behavior is codified in t7700.14).
- If pack-objects produced an identical pack to one that already
exists, we trust the just-written version of the coresponding .idx,
.promisor, and other files over the ones that already exist. This
ensures that we use the most up-to-date versions of this files,
which is safe even in the face of format changes in, say, the .idx
file (which would not be reflected in the .idx file's name).
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ever since 'git pull' learned '--recurse-submodules' in a6d7eb2c7a
(pull: optionally rebase submodules (remote submodule changes only),
2017-06-23), we check if there are local submodule modifications by
checking the revision range 'curr_head --not rebase_fork_point'.
The goal of this check is to abort the pull if there are submodule
modifications in the local commits being rebased, since this scenario is
not supported.
However, the actual range of commits being rebased is not
'rebase_fork_point..curr_head', as the logic in
'get_rebase_newbase_and_upstream' reveals, it is 'upstream..curr_head'.
If the 'git merge-base --fork-point' invocation in
'get_rebase_fork_point' fails to find a fork point between the current
branch and the remote-tracking branch we are pulling from,
'rebase_fork_point' is null and since 4d36f88be7 (submodule: do not pass
null OID to setup_revisions, 2018-05-24), 'submodule_touches_in_range'
checks 'curr_head' and all its ancestors for submodule modifications.
Since it is highly likely that there are submodule modifications in this
range (which is in effect the whole history of the current branch), this
prevents 'git pull --rebase --recurse-submodules' from succeeding if no
fork point exists between the current branch and the remote-tracking
branch being pulled. This can happen, for example, when the current
branch was forked from a commit which was never recorded in the reflog
of the remote-tracking branch we are pulling, as the last two paragraphs
of the "Discussion on fork-point mode" section in git-merge-base(1)
explain.
Fix this bug by passing 'upstream' instead of 'rebase_fork_point' as the
'excl_oid' argument to 'submodule_touches_in_range'.
Reported-by: Brice Goglin <bgoglin@free.fr>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function 'run_rebase' is responsible for constructing the
command line to be passed to 'git rebase'. This includes both forwarding
pass-through options given to 'git pull' as well computing the <newbase>
and <upstream> arguments to 'git rebase'.
A following commit will need to access the <upstream> argument in
'cmd_pull' to fix a bug with 'git pull --rebase --recurse-submodules'.
In order to do so, refactor the code so that the <newbase> and
<upstream> commits are computed in a new, separate function,
'get_rebase_newbase_and_upstream'.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the subsequent commit, it will become useful to keep track of which
metadata files were written by pack-objects. We already do this to an
extent with the 'exts' array, which only is used in the context of
existing packs.
Co-authored-by: Jeff King <peff@peff.net>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We'll use it in a helper function soon.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We sometimes store the offset into a pack .idx file as an "unsigned
long", but the mmap'd size of a pack .idx file can exceed 4GB. This is
sufficient on LP64 systems like Linux, but will be too small on LLP64
systems like Windows, where "unsigned long" is still only 32 bits. Let's
use size_t, which is a better type for an offset into a memory buffer.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A pack and its matching .idx file are limited to 2^32 objects, because
the pack format contains a 32-bit field to store the number of objects.
Hence we use uint32_t in the code.
But the byte count of even a .idx file can be much larger than that,
because it stores at least a hash and an offset for each object. So
using SHA-1, a v2 .idx file will cross the 4GB boundary at 153,391,650
objects. This confuses load_idx(), which computes the minimum size like
this:
unsigned long min_size = 8 + 4*256 + nr*(hashsz + 4 + 4) + hashsz + hashsz;
Even though min_size will be big enough on most 64-bit platforms, the
actual arithmetic is done as a uint32_t, resulting in a truncation. We
actually exceed that min_size, but then we do:
unsigned long max_size = min_size;
if (nr)
max_size += (nr - 1)*8;
to account for the variable-sized table. That computation doesn't
overflow quite so low, but with the truncation for min_size, we end up
with a max_size that is much smaller than our actual size. So we
complain that the idx is invalid, and can't find any of its objects.
We can fix this case by casting "nr" to a size_t, which will do the
multiplication in 64-bits (assuming you're on a 64-bit platform; this
will never work on a 32-bit system since we couldn't map the whole .idx
anyway). Likewise, we don't have to worry about further additions,
because adding a smaller number to a size_t will convert the other side
to a size_t.
A few notes:
- obviously we could just declare "nr" as a size_t in the first place
(and likewise, packed_git.num_objects). But it's conceptually a
uint32_t because of the on-disk format, and we correctly treat it
that way in other contexts that don't need to compute byte offsets
(e.g., iterating over the set of objects should and generally does
use a uint32_t). Switching to size_t would make all of those other
cases look wrong.
- it could be argued that the proper type is off_t to represent the
file offset. But in practice the .idx file must fit within memory,
because we mmap the whole thing. And the rest of the code (including
the idx_size variable we're comparing against) uses size_t.
- we'll add the same cast to the max_size arithmetic line. Even though
we're adding to a larger type, which will convert our result, the
multiplication is still done as a 32-bit value and can itself
overflow. I didn't check this with my test case, since it would need
an even larger pack (~530M objects), but looking at compiler output
shows that it works this way. The standard should agree, but I
couldn't find anything explicit in 6.3.1.8 ("usual arithmetic
conversions").
The case in load_idx() was the most immediate one that I was able to
trigger. After fixing it, looking up actual objects (including the very
last one in sha1 order) works in a test repo with 153,725,110 objects.
That's because bsearch_hash() works with uint32_t entry indices, and the
actual byte access:
int cmp = hashcmp(table + mi * stride, sha1);
is done with "stride" as a size_t, causing the uint32_t "mi" to be
promoted to a size_t. This is the way most code will access the index
data.
However, I audited all of the other byte-wise accesses of
packed_git.index_data, and many of the others are suspect (they are
similar to the max_size one, where we are adding to a properly sized
offset or directly to a pointer, but the multiplication in the
sub-expression can overflow). I didn't trigger any of these in practice,
but I believe they're potential problems, and certainly adding in the
cast is not going to hurt anything here.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* rs/clear-commit-marks-in-repo:
bisect: clear flags in passed repository
object: allow clear_commit_marks_all to handle any repo
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that hashamp has lazy initialization and a HASHMAP_INIT macro,
hashmaps allocated on the stack can be initialized without a call to
hashmap_init() and in some cases makes the code a bit shorter. Convert
some callsites over to take advantage of this.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the verison negotiation phase between "receive-pack" and
"proc-receive", "proc-receive" can send an empty flush-pkt to end the
negotiation and use default version 0. Capabilities (such as
"push-options") are not supported in version 0.
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Johannes found a flaky hang in `t5411/test-0013-bad-protocol.sh` in the
osx-clang job of the CI/PR builds, and ran into an issue when using
the `--stress` option with the following error messages:
fatal: unable to write flush packet: Broken pipe
send-pack: unexpected disconnect while reading sideband packet
fatal: the remote end hung up unexpectedly
In this test case, the "proc-receive" hook sends an error message and
dies earlier. While "receive-pack" on the other side of the pipe
should forward the error message of the "proc-receive" hook to the
client side, but it fails to do so. This is because "receive-pack"
uses `packet_write_fmt()` and `packet_flush()` to write pkt-line
message to "proc-receive" hook, and these functions die immediately
when pipe is broken. Using "gently" forms for these functions will get
more predicable output.
Add more "--die-*" options to test helper to test different stages of
the protocol between "receive-pack" and "proc-receive" hook.
Reported-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We taught rev-list a new way to separate options from revisions in
19e8789b23 (revision: allow --end-of-options to end option parsing,
2019-08-06), but rev-parse uses its own parser. It should know about
--end-of-options not only for consistency, but because it may be
presented with similarly ambiguous cases. E.g., if a caller does:
git rev-parse "$rev" -- "$path"
to parse an untrusted input, then it will get confused if $rev contains
an option-like string like "--local-env-vars". Or even "--not-real",
which we'd keep as an option to pass along to rev-list.
Or even more importantly:
git rev-parse --verify "$rev"
can be confused by options, even though its purpose is safely parsing
untrusted input. On the plus side, it will always fail the --verify
part, as it will not have parsed a revision, so the caller will
generally "fail closed" rather than continue to use the untrusted
string. But it will still trigger whatever option was in "$rev"; this
should be mostly harmless, since rev-parse options are all read-only,
but I didn't carefully audit all paths.
This patch lets callers write:
git rev-parse --end-of-options "$rev" -- "$path"
and:
git rev-parse --verify --end-of-options "$rev"
which will both treat "$rev" always as a revision parameter. The latter
is a bit clunky. It would be nicer if we had defined "--verify" to
require that its next argument be the revision. But we have not
historically done so, and:
git rev-parse --verify -q "$rev"
does currently work. I added a test here to confirm that we didn't break
that.
A few implementation notes:
- We don't document --end-of-options explicitly in commands, but rather
in gitcli(7). So I didn't give it its own section in git-rev-parse(1).
But I did call it out specifically in the --verify section, and
include it in the examples, which should show best practices.
- We don't have to re-indent the main option-parsing block, because we
can combine our "did we see end of options" check with "does it start
with a dash". The exception is the pre-setup options, which need
their own block.
- We do however have to pull the "--" parsing out of the "does it start
with dash" block, because we want to parse it even if we've seen
--end-of-options.
- We'll leave "--end-of-options" in the output. This is probably not
technically necessary, as a careful caller will do:
git rev-parse --end-of-options $revs -- $paths
and anything in $revs will be resolved to an object id. However, it
does help a slightly less careful caller like:
git rev-parse --end-of-options $revs_or_paths
where a path "--foo" will remain in the output as long as it also
exists on disk. In that case, it's helpful to retain --end-of-options
to get passed along to rev-list, s it would otherwise see just
"--foo".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The option-parsing loop of rev-parse checks whether the first character
of an arg is "-". If so, then it enters a series of conditionals
checking for individual options. But some options are inexplicably
outside of that outer conditional.
This doesn't produce the wrong behavior; the conditional is actually
redundant with the individual option checks, and it's really only its
fallback "continue" that we care about. But we should at least be
consistent.
One obvious alternative is that we could get rid of the conditional
entirely. But we'll be using the extra block it provides in the next
patch.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Because of the order in which we check options in rev-parse, there are a
few options we accept even after a "--". This is wrong, because the
whole point of "--" is to say "everything after here is a path". Let's
move the "did we see a dashdash" check (it's called "as_is" in the code)
to the top of the parsing loop.
Note there is one subtlety here. The options are ordered so that some
are checked before we even see if we're in a repository (they continue
the loop, and if we get past a certain point, then we do the repository
setup). By moving the as_is check higher, it's also in that "before
setup" section, even though it might look at the repository via
verify_filename(). However, this works out: we'd never set as_is until
we parse "--", and we don't parse that until after doing the setup.
An alternative here to avoid the subtlety is to put the as_is check at
the top of the post-setup options. But then every pre-setup option would
have to remember to check "if (!as_is && !strcmp(...))". So while this
is a bit magical, it's harder for future code to get wrong.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For the past 15 years, we've used the hardcoded 64 as the length
limit of the filename of the output from the "git format-patch"
command. Since the value is shorter than the 80-column terminal, it
could grow without line wrapping a bit. At the same time, since the
value is longer than half of the 80-column terminal, we could fit
two or more of them in "ls" output on such a terminal if we allowed
to lower it.
Introduce a new command line option --filename-max-length=<n> and a
new configuration variable format.filenameMaxLength to override the
hardcoded default.
While we are at it, remove a check that the name of output directory
does not exceed PATH_MAX---this check is pointless in that by the
time control reaches the function, the caller would already have
done an equivalent of "mkdir -p", so if the system does not like an
overly long directory name, the control wouldn't have reached here,
and otherwise, we know that the system allowed the output directory
to exist. In the worst case, we will get an error when we try to
open the output file and handle the error correctly anyway.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code simplification.
* jk/committer-date-is-author-date-fix-simplify:
am, sequencer: stop parsing our own committer ident
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Exit codes from "git remote add" etc. were not usable by scripted
callers.
* ab/git-remote-exit-code:
remote: add meaningful exit code on missing/existing
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"git checkout-index" did not consistently signal an error with its
exit status.
* jk/checkout-index-errors:
checkout-index: propagate errors to exit code
checkout-index: drop error message from empty --stage=all
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Rewriting "git bisect" in C continues.
* mr/bisect-in-c-3:
bisect--helper: retire `--bisect-autostart` subcommand
bisect--helper: retire `--write-terms` subcommand
bisect--helper: retire `--check-expected-revs` subcommand
bisect--helper: reimplement `bisect_state` & `bisect_head` shell functions in C
bisect--helper: retire `--next-all` subcommand
bisect--helper: retire `--bisect-clean-state` subcommand
bisect--helper: finish porting `bisect_start()` to C
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Now that all the external users of head_hash have been converted to
use a opts->orig_head instead we can stop returning head_hash from
get_revision_ranges().
Because we want to pass the full object names back to the caller in
`revisions` the find_unique_abbrev_r() call that was used to initialize
`head_hash` is replaced with oid_to_hex().
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rather than passing a string around pass the struct object_id that the
string was created from call oid_hex() when we write the file.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already have a struct object_id containing the oid that we want to
set ORIG_HEAD to so use that rather than converting it to a string and
then calling get_oid() on that string.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Taylor Blau
Junio C Hamano
Simão Afonso
Kyle Meyer
Matheus Tavares
Ævar Arnfjörð Bjarmason
Johannes Schindelin
René Scharfe
Philippe Blain
Jeff King
Elijah Newren
Jiang Xin
Phillip Wood