| Age | Commit message (Collapse) | Author | Files | Lines |
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"git diff --color-moved --cc --stat -p" did not work well due to
funny interaction between a bug in color-moved and the rest, which
has been fixed.
* jk/diff-cc-stat-fixes:
combine-diff: treat --dirstat like --stat
combine-diff: treat --summary like --stat
combine-diff: treat --shortstat like --stat
combine-diff: factor out stat-format mask
diff: clear emitted_symbols flag after use
t4006: resurrect commented-out tests
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"git checkout -b <new> [HEAD]" to create a new branch from the
current commit and check it out ought to be a no-op in the index
and the working tree in normal cases, but there are corner cases
that do require updates to the index and the working tree. Running
it immediately after "git clone --no-checkout" is one of these
cases that an earlier optimization kicked in incorrectly, which has
been fixed.
* bp/checkout-new-branch-optim:
checkout: fix regression in checkout -b on intitial checkout
checkout: add test demonstrating regression with checkout -b on initial commit
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Asking "git check-attr" about a macro (e.g. "binary") on a specific
path did not work correctly, even though "git check-attr -a" listed
such a macro correctly. This has been corrected.
* jk/attr-macro-fix:
attr: do not mark queried macros as unset
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Test fix for Windows.
* js/test-git-installed:
tests: explicitly use `test-tool.exe` on Windows
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On a case-insensitive filesystem, we failed to compare the part of
the path that is above the worktree directory in an absolute
pathname, which has been corrected.
* js/abspath-part-inside-repo:
abspath_part_inside_repo: respect core.ignoreCase
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Fix namespace support in protocol v2.
* jt/namespaced-ls-refs-fix:
ls-refs: filter refs using namespace-stripped name
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The codepath to show progress meter while writing out commit-graph
file has been improved.
* ab/commit-graph-write-progress:
commit-graph write: emit a percentage for all progress
commit-graph write: add itermediate progress
commit-graph write: remove empty line for readability
commit-graph write: add more descriptive progress output
commit-graph write: show progress for object search
commit-graph write: more descriptive "writing out" output
commit-graph write: add "Writing out" progress output
commit-graph: don't call write_graph_chunk_extra_edges() unnecessarily
commit-graph: rename "large edges" to "extra edges"
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Test update.
* js/t6042-timing-fix:
t6042: work around speed optimization on Windows
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"git add --ignore-errors" did not work as advertised and instead
worked as an unintended synonym for "git add --renormalize", which
has been fixed.
* jk/add-ignore-errors-bit-assignment-fix:
add: use separate ADD_CACHE_RENORMALIZE flag
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In Git for Windows, "git clone \\server\share\path" etc. that uses
UNC paths from command line had bad interaction with its shell
emulation.
* js/mingw-unc-path-w-backslashes:
mingw: special-case arguments to `sh`
mingw (t5580): document bug when cloning from backslashed UNC paths
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An obvious typo in an assertion error message has been fixed.
* cc/test-ref-store-typofix:
helper/test-ref-store: fix "new-sha1" vs "old-sha1" typo
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"git fetch" and "git upload-pack" learned to send all exchange over
the sideband channel while talking the v2 protocol.
* jt/fetch-v2-sideband:
tests: define GIT_TEST_SIDEBAND_ALL
{fetch,upload}-pack: sideband v2 fetch response
sideband: reverse its dependency on pkt-line
pkt-line: introduce struct packet_writer
pack-protocol.txt: accept error packets in any context
Use packet_reader instead of packet_read_line
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The codepath to read from the commit-graph file attempted to read
past the end of it when the file's table-of-contents was corrupt.
* js/commit-graph-chunk-table-fix:
Makefile: correct example fuzz build
commit-graph: fix buffer read-overflow
commit-graph, fuzz: add fuzzer for commit-graph
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"git p4" failed to update a shelved change when there were moved
files, which has been corrected.
* ld/git-p4-shelve-update-fix:
git-p4: handle update of moved/copied files when updating a shelve
git-p4: add failing test for shelved CL update involving move/copy
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Update the protocol message specification to allow only the limited
use of scaled quantities. This is ensure potential compatibility
issues will not go out of hand.
* js/filter-options-should-use-plain-int:
filter-options: expand scaled numbers
tree:<depth>: skip some trees even when collecting omits
list-objects-filter: teach tree:# how to handle >0
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The in-core repository instances are passed through more codepaths.
* sb/more-repo-in-api: (23 commits)
t/helper/test-repository: celebrate independence from the_repository
path.h: make REPO_GIT_PATH_FUNC repository agnostic
commit: prepare free_commit_buffer and release_commit_memory for any repo
commit-graph: convert remaining functions to handle any repo
submodule: don't add submodule as odb for push
submodule: use submodule repos for object lookup
pretty: prepare format_commit_message to handle arbitrary repositories
commit: prepare logmsg_reencode to handle arbitrary repositories
commit: prepare repo_unuse_commit_buffer to handle any repo
commit: prepare get_commit_buffer to handle any repo
commit-reach: prepare in_merge_bases[_many] to handle any repo
commit-reach: prepare get_merge_bases to handle any repo
commit-reach.c: allow get_merge_bases_many_0 to handle any repo
commit-reach.c: allow remove_redundant to handle any repo
commit-reach.c: allow merge_bases_many to handle any repo
commit-reach.c: allow paint_down_to_common to handle any repo
commit: allow parse_commit* to handle any repo
object: parse_object to honor its repository argument
object-store: prepare has_{sha1, object}_file to handle any repo
object-store: prepare read_object_file to deal with any repo
...
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Custom userformat "log --format" learned %S atom that stands for
the tip the traversal reached the commit from, i.e. --source.
* it/log-format-source:
log: add %S option (like --source) to log --format
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"git fetch --deepen=<more>" has been corrected to work over v2
protocol.
* jt/upload-pack-deepen-relative-proto-v2:
upload-pack: teach deepen-relative in protocol v2
fetch-pack: do not take shallow lock unnecessarily
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Debugging help for http transport.
* ms/http-no-more-failonerror:
test: test GIT_CURL_VERBOSE=1 shows an error
remote-curl: unset CURLOPT_FAILONERROR
remote-curl: define struct for CURLOPT_WRITEFUNCTION
http: enable keep_error for HTTP requests
http: support file handles for HTTP_KEEP_ERROR
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"git rebase" internally runs "checkout" to switch between branches,
and the command used to call the post-checkout hook, but the
reimplementation stopped doing so, which is getting fixed.
* os/rebase-runs-post-checkout-hook:
rebase: run post-checkout hook on checkout
t5403: simplify by using a single repository
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Add sha-256 hash and plug it through the code to allow building Git
with the "NewHash".
* bc/sha-256:
hash: add an SHA-256 implementation using OpenSSL
sha256: add an SHA-256 implementation using libgcrypt
Add a base implementation of SHA-256 support
commit-graph: convert to using the_hash_algo
t/helper: add a test helper to compute hash speed
sha1-file: add a constant for hash block size
t: make the sha1 test-tool helper generic
t: add basic tests for our SHA-1 implementation
cache: make hashcmp and hasheq work with larger hashes
hex: introduce functions to print arbitrary hashes
sha1-file: provide functions to look up hash algorithms
sha1-file: rename algorithm to "sha1"
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"git fetch --recurse-submodules" may not fetch the necessary commit
that is bound to the superproject, which is getting corrected.
* sb/submodule-recursive-fetch-gets-the-tip:
fetch: ensure submodule objects fetched
submodule.c: fetch in submodules git directory instead of in worktree
submodule: migrate get_next_submodule to use repository structs
repository: repo_submodule_init to take a submodule struct
submodule: store OIDs in changed_submodule_names
submodule.c: tighten scope of changed_submodule_names struct
submodule.c: sort changed_submodule_names before searching it
submodule.c: fix indentation
sha1-array: provide oid_array_filter
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"git fetch-pack" now can talk the version 2 protocol.
* jt/fetch-pack-v2:
fetch-pack: support protocol version 2
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The v2 upload-pack protocol implementation failed to honor
hidden-ref configuration, which has been corrected.
An earlier attempt reverted out of 'next'.
* jk/proto-v2-hidden-refs-fix:
upload-pack: support hidden refs with protocol v2
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"git diff --color-moved-ws" updates.
* pw/diff-color-moved-ws-fix:
diff --color-moved-ws: handle blank lines
diff --color-moved-ws: modify allow-indentation-change
diff --color-moved-ws: optimize allow-indentation-change
diff --color-moved=zebra: be stricter with color alternation
diff --color-moved-ws: fix false positives
diff --color-moved-ws: demonstrate false positives
diff: allow --no-color-moved-ws
Use "whitespace" consistently
diff: document --no-color-moved
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"git rebase -i" learned to re-execute a command given with 'exec'
to run after it failed the last time.
* js/rebase-i-redo-exec:
rebase: introduce a shortcut for --reschedule-failed-exec
rebase: add a config option to default to --reschedule-failed-exec
rebase: introduce --reschedule-failed-exec
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Currently "--cc --dirstat" will show nothing for a merge. Like
--shortstat and --summary in the previous two patches, it probably makes
sense to treat it like we do --stat, and show a stat against the
first-parent.
This case is less obviously correct than for --shortstat and --summary,
as those are basically variants of --stat themselves. It's possible we
could develop a multi-parent combined dirstat format, in which case we
might regret defining this first-parent behavior. But the same could be
said for --stat, and in the 12+ years of it showing first-parent stats,
nobody has complained.
So showing the first-parent dirstat is at least _useful_, and if we
later develop a clever multi-parent stat format, we'd probably have to
deal with --stat anyway.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently "--cc --summary" on a merge shows nothing. Since we show "--cc
--stat" as a stat against the first parent, and because --summary is
typically used in combination with --stat, it makes sense to treat them
both the same way.
Note that we have to tweak t4013's setup a bit to test this case, as the
existing merges do not have any --summary results against their first
parent. But since the merge at the tip of 'master' does add and remove
files with respect to the second parent, we can just make a reversed
doppelganger merge where the parents are swapped.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --stat of a combined diff is defined as the first-parent stat,
going all the way back to 965f803c32 (combine-diff: show diffstat with
the first parent., 2006-04-17).
Naturally, we gave --numstat the same treatment in 74e2abe5b7 (diff
--numstat, 2006-10-12).
But --shortstat, which is really just the final line of --stat, does
nothing, which produces confusing results:
$ git show --oneline --stat eab7584e37
eab7584e37 Merge branch 'en/show-ref-doc-fix'
Documentation/git-show-ref.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
$ git show --oneline --shortstat eab7584e37
eab7584e37 Merge branch 'en/show-ref-doc-fix'
[nothing! We'd expect to see the "1 file changed..." line]
This patch teaches combine-diff to treats the two formats identically.
Reported-by: David Turner <novalis@novalis.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's an odd bug when "log --color-moved" is used with the combination
of "--cc --stat -p": the stat for merge commits is erroneously shown
with the diff of the _next_ commit.
The included test demonstrates the issue. Our history looks something
like this:
A-B-M--D
\ /
C
When we run "git log --cc --stat -p --color-moved" starting at D, we get
this sequence of events:
1. The diff for D is using -p, so diff_flush() calls into
diff_flush_patch_all_file_pairs(). There we see that o->color_moved
is in effect, so we point o->emitted_symbols to a static local
struct, causing diff_flush_patch() to queue the symbols instead of
actually writing them out.
We then do our move detection, emit the symbols, and clear the
struct. But we leave o->emitted_symbols pointing to our struct.
2. Next we compute the diff for M. This is a merge, so we use the
combined diff code. In find_paths_generic(), we compute the
pairwise diff between each commit and its parent. Normally this is
done with DIFF_FORMAT_NO_OUTPUT, since we're just looking for
intersecting paths. But since "--stat --cc" shows the first-parent
stat, and since we're computing that diff anyway, we enable
DIFF_FORMAT_DIFFSTAT for the first parent. This outputs the stat
information immediately, saving us from running a separate
first-parent diff later.
But where does that output go? Normally it goes directly to stdout,
but because o->emitted_symbols is set, we queue it. As a result, we
don't actually print the diffstat for the merge commit (yet), which
is wrong.
3. Next we compute the diff for C. We're actually showing a patch
again, so we end up in diff_flush_patch_all_file_pairs(), but this
time we have the queued stat from step 2 waiting in our struct.
We add new elements to it for C's diff, and then flush the whole
thing. And we see the diffstat from M as part of C's diff, which is
wrong.
So triggering the bug really does require the combination of all of
those options.
To fix it, we can simply restore o->emitted_symbols to NULL after
flushing it, so that it does not affect anything outside of
diff_flush_patch_all_file_pairs(). This intuitively makes sense, since
nobody outside of that function is going to bother flushing it, so we
would not want them to write to it either.
In fact, we could take this a step further and turn the local "esm"
struct into a non-static variable that goes away after the function
ends. However, since it contains a dynamically sized array, we benefit
from amortizing the cost of allocations over many calls. So we'll leave
it as static to retain that benefit.
But let's push the zero-ing of esm.nr into the conditional for "if
(o->emitted_symbols)" to make it clear that we do not expect esm to hold
any values if we did not just try to use it. With the code as it is
written now, if we did encounter such a case (which I think would be a
bug), we'd silently leak those values without even bothering to display
them. With this change, we'd at least eventually show them, and somebody
would notice.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This set of tests was added by 4434e6ba6c (tests: check --[short]stat
output after chmod, 2012-05-01), and is primarily about the handling of
binary versus text files.
Later, 74faaa16f0 (Fix "git diff --stat" for interesting - but empty -
file changes, 2012-10-17) changed the stat output so that the empty text
file is mentioned rather than omitted. That commit just comments out
these tests. There's no discussion in the commit message, but the
original email[1] says:
NOTE! This does break two of our tests, so we clearly did this on
purpose, or at least tested for it. I just uncommented the subtests
that this makes irrelevant, and changed the output of another one.
I don't think they're irrelevant, though. We should be testing this
"mode change only" case and making sure that it has the post-74faaa16f0
behavior. So this commit brings back those tests, with the current
expected output.
[1] https://public-inbox.org/git/CA+55aFz88GPJcfMSqiyY+u0Cdm48bEyrsTGxHVJbGsYsDg=Q5w@mail.gmail.com/
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When doing a 'checkout -b' do a full checkout including updating the working
tree when doing the initial checkout. As the new test involves an filesystem
access, do it later in the sequence to give chance to other cheaper tests to
leave early. This fixes the regression in behavior caused by fa655d8411
(checkout: optimize "git checkout -b <new_branch>", 2018-08-16).
Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit fa655d8411 (checkout: optimize "git checkout -b <new_branch>",
2018-08-16) introduced an unintentional change in behavior for 'checkout -b'
after doing 'clone --no-checkout'. Add a test to demonstrate the changed
behavior to be used in a later patch to verify the fix.
Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 60a12722ac (attr: remove maybe-real, maybe-macro from git_attr,
2017-01-27), we will always mark an attribute macro (e.g., "binary")
that is specifically queried for as "unspecified", even though listing
_all_ attributes would display it at set. E.g.:
$ echo "* binary" >.gitattributes
$ git check-attr -a file
file: binary: set
file: diff: unset
file: merge: unset
file: text: unset
$ git check-attr binary file
file: binary: unspecified
The problem stems from an incorrect conversion of the optimization from
06a604e670 (attr: avoid heavy work when we know the specified attr is
not defined, 2014-12-28). There we tried in collect_some_attrs() to
avoid even looking at the attr_stack when the user has asked for "foo"
and we know that "foo" did not ever appear in any .gitattributes file.
It used a flag "maybe_real" in each attribute struct, where "real" meant
that the attribute appeared in an actual file (we have to make this
distinction because we also create an attribute struct for any names
that are being queried). But as explained in that commit message, the
meaning of "real" was tangled with some special cases around macros.
When 60a12722ac later refactored the macro code, it dropped maybe_real
entirely. This missed the fact that "maybe_real" could be unset for two
reasons: because of a macro, or because it was never found during
parsing. This had two results:
- the optimization in collect_some_attrs() ceased doing anything
meaningful, since it no longer kept track of "was it found during
parsing"
- worse, it actually kicked in when the caller _did_ ask about a macro
by name, causing us to mark it as unspecified
It should be possible to salvage this optimization, but let's start with
just removing the remnants. It hasn't been doing anything (except
creating bugs) since 60a12722ac, and nobody seems to have noticed the
performance regression. It's more important to fix the correctness
problem clearly first.
I've added two tests here. The second one actually shows off the bug.
The test of "check-attr -a" is not strictly necessary, but we currently
do not test attribute macros much, and the builtin "binary" not at all.
So this increases our general test coverage, as well as making sure we
didn't mess up this related case.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 8abfdf44c882 (tests: explicitly use `git.exe` on Windows,
2018-11-14), we made sure to use the `.exe` file extension when
using an absolute path to `git.exe`, to avoid getting confused with a
file or directory in the same place that lacks said file extension.
For the same reason, we need to handle test-tool.exe the same way.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The optional 'Large Edge List' chunk of the commit graph file stores
parent information for commits with more than two parents, and the
names of most of the macros, variables, struct fields, and functions
related to this chunk contain the term "large edges", e.g.
write_graph_chunk_large_edges(). However, it's not a really great
term, as the edges to the second and subsequent parents stored in this
chunk are not any larger than the edges to the first and second
parents stored in the "main" 'Commit Data' chunk. It's the number of
edges, IOW number of parents, that is larger compared to non-merge and
"regular" two-parent merge commits. And indeed, two functions in
'commit-graph.c' have a local variable called 'num_extra_edges' that
refer to the same thing, and this "extra edges" term is much better at
describing these edges.
So let's rename all these references to "large edges" in macro,
variable, function, etc. names to "extra edges". There is a
GRAPH_OCTOPUS_EDGES_NEEDED macro as well; for the sake of consistency
rename it to GRAPH_EXTRA_EDGES_NEEDED.
We can do so safely without causing any incompatibility issues,
because the term "large edges" doesn't come up in the file format
itself in any form (the chunk's magic is {'E', 'D', 'G', 'E'}, there
is no 'L' in there), but only in the specification text. The string
"large edges", however, does come up in the output of 'git
commit-graph read' and in tests looking at its input, but that command
is explicitly documented as debugging aid, so we can change its output
and the affected tests safely.
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "--format=<placeholder>" option of for-each-ref, branch and tag
learned to show a few more traits of objects that can be learned by
the object_info API.
* ot/ref-filter-object-info:
ref-filter: give uintmax_t to format with %PRIuMAX
ref-filter: add docs for new options
ref-filter: add tests for deltabase
ref-filter: add deltabase option
ref-filter: add tests for objectsize:disk
ref-filter: add check for negative file size
ref-filter: add objectsize:disk option
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Flaky tests can now be repeatedly run under load with the
"--stress" option.
* sg/stress-test:
test-lib: add the '--stress' option to run a test repeatedly under load
test-lib-functions: introduce the 'test_set_port' helper function
test-lib: set $TRASH_DIRECTORY earlier
test-lib: consolidate naming of test-results paths
test-lib: parse command line options earlier
test-lib: parse options in a for loop to keep $@ intact
test-lib: extract Bash version check for '-x' tracing
test-lib: translate SIGTERM and SIGHUP to an exit
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An inherently racy test that caused intermittent failures has been
removed.
* tg/t5570-drop-racy-test:
Revert "t/lib-git-daemon: record daemon log"
t5570: drop racy test
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"git cherry-pick -m1" was forbidden when picking a non-merge
commit, even though there _is_ parent number 1 for such a commit.
This was done to avoid mistakes back when "cherry-pick" was about
picking a single commit, but is no longer useful with "cherry-pick"
that can pick a range of commits. Now the "-m$num" option is
allowed when picking any commit, as long as $num names an existing
parent of the commit.
Technically this is a backward incompatible change; hopefully
nobody is relying on the error-checking behaviour.
* so/cherry-pick-always-allow-m1:
t3506: validate '-m 1 -ff' is now accepted for non-merge commits
t3502: validate '-m 1' argument is now accepted for non-merge commits
cherry-pick: do not error on non-merge commits when '-m 1' is specified
t3510: stop using '-m 1' to force failure mid-sequence of cherry-picks
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"git worktree remove" and "git worktree move" refused to work when
there is a submodule involved. This has been loosened to ignore
uninitialized submodules.
* nd/worktree-remove-with-uninitialized-submodules:
worktree: allow to (re)move worktrees with uninitialized submodules
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The test suite tried to see if it is run under bash, but the check
itself failed under some other implementations of shell (notably
under NetBSD). This has been corrected.
* sg/test-bash-version-fix:
test-lib: check Bash version for '-x' without using shell arrays
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With zsh, "git cmd path<TAB>" was completed to "git cmd path name"
when the completed path has a special character like SP in it,
without any attempt to keep "path name" a single filename. This
has been fixed to complete it to "git cmd path\ name" just like
Bash completion does.
* cy/zsh-completion-SP-in-path:
completion: treat results of git ls-tree as file paths
zsh: complete unquoted paths with spaces correctly
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The core.worktree setting in a submodule repository should not be
pointing at a directory when the submodule loses its working tree
(e.g. getting deinit'ed), but the code did not properly maintain
this invariant.
* sb/submodule-unset-core-worktree-when-worktree-is-lost:
submodule deinit: unset core.worktree
submodule--helper: fix BUG message in ensure_core_worktree
submodule: unset core.worktree if no working tree is present
submodule update: add regression test with old style setups
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"git stripspace" should be usable outside a git repository, but
under the "-s" or "-c" mode, it didn't.
* jn/stripspace-wo-repository:
stripspace: allow -s/-c outside git repository
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"git submodule update" ought to use a single job unless asked, but
by mistake used multiple jobs, which has been fixed.
* sb/submodule-fetchjobs-default-to-one:
submodule update: run at most one fetch job unless otherwise set
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Code clean-up.
* nd/style-opening-brace:
style: the opening '{' of a function is in a separate line
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The MSYS2 runtime does its best to emulate the command-line wildcard
expansion and de-quoting which would be performed by the calling Unix
shell on Unix systems.
Those Unix shell quoting rules differ from the quoting rules applying to
Windows' cmd and Powershell, making it a little awkward to quote
command-line parameters properly when spawning other processes.
In particular, git.exe passes arguments to subprocesses that are *not*
intended to be interpreted as wildcards, and if they contain
backslashes, those are not to be interpreted as escape characters, e.g.
when passing Windows paths.
Note: this is only a problem when calling MSYS2 executables, not when
calling MINGW executables such as git.exe. However, we do call MSYS2
executables frequently, most notably when setting the use_shell flag in
the child_process structure.
There is no elegant way to determine whether the .exe file to be
executed is an MSYS2 program or a MINGW one. But since the use case of
passing a command line through the shell is so prevalent, we need to
work around this issue at least when executing sh.exe.
Let's introduce an ugly, hard-coded test whether argv[0] is "sh", and
whether it refers to the MSYS2 Bash, to determine whether we need to
quote the arguments differently than usual.
That still does not fix the issue completely, but at least it is
something.
Incidentally, this also fixes the problem where `git clone \\server\repo`
failed due to incorrect handling of the backslashes when handing the path
to the git-upload-pack process.
Further, we need to take care to quote not only whitespace and
backslashes, but also curly brackets. As aliases frequently go through
the MSYS2 Bash, and as aliases frequently get parameters such as
HEAD@{yesterday}, this is really important. As an early version of this
patch broke this, let's make sure that this does not regress by adding a
test case for that.
Helped-by: Kim Gybels <kgybels@infogroep.be>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Due to a quirk in Git's method to spawn git-upload-pack, there is a
problem when passing paths with backslashes in them: Git will force the
command-line through the shell, which has different quoting semantics in
Git for Windows (being an MSYS2 program) than regular Win32 executables
such as git.exe itself.
The symptom is that the first of the two backslashes in UNC paths of the
form \\myserver\folder\repository.git is *stripped off*.
Document this bug by introducing a test case.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If a user fetches refs/heads/master from a repo with namespace "ns", the
remote is expected to (1) not send the real refs/heads/master, and (2)
send refs/namespaces/ns/refs/heads/master with the name
refs/heads/master. (1) indeed happens now, but not (2) - Git only sends
refs that have the user-given prefix, but it checks them against the
full name of the ref (the one starting with refs/namespaces), and not
the namespace-stripped one.
This is demonstrated by the patch in the test. Currently, it results in
"fatal: couldn't find remote ref refs/heads/master" despite both
unnamespaced and namespaced master being present. With the code change,
it produces the expected result.
Check the ref prefixes against the namespace-stripped name.
This bug was discovered through applying patches [1] that override
protocol.version to 2 in repositories when running tests, allowing us to
notice differences in behavior across different protocol versions.
[1] https://public-inbox.org/git/cover.1547677183.git.jonathantanmy@google.com/
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Jeff King
Ben Peart
Johannes Schindelin
SZEDER Gábor
Jonathan Tan