| Commit message (Collapse) | Author | Files | Lines |
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When advertising a bundle list over Git's protocol v2, we will use
packet lines. Each line will be of the form "key=value" representing a
bundle list. Connect the API necessary for Git's transport to the
key-value pair parsing created in the previous change.
We are not currently implementing this protocol v2 functionality, but
instead preparing to expose this parsing to be unit-testable.
Co-authored-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There will be two primary ways to advertise a bundle list: as a list of
packet lines in Git's protocol v2 and as a config file served from a
bundle URI. Both of these fundamentally use a list of key-value pairs.
We will use the same set of key-value pairs across these formats.
Create a new bundle_list_update() method that is currently unusued, but
will be used in the next change. It inspects each key to see if it is
understood and then applies it to the given bundle_list. Here are the
keys that we teach Git to understand:
* bundle.version: This value should be an integer. Git currently
understands only version 1 and will ignore the list if the version is
any other value. This version can be increased in the future if we
need to add new keys that Git should not ignore. We can add new
"heuristic" keys without incrementing the version.
* bundle.mode: This value should be one of "all" or "any". If this
mode is not understood, then Git will ignore the list. This mode
indicates whether Git needs all of the bundle list items to make a
complete view of the content or if any single item is sufficient.
The rest of the keys use a bundle identifier "<id>" as part of the key
name. Keys using the same "<id>" describe a single bundle list item.
* bundle.<id>.uri: This stores the URI of the bundle item. This
currently is expected to be an absolute URI, but will be relaxed to be
a relative URI in the future.
While parsing, return an error if a URI key is repeated, since we can
make that restriction with bundle lists.
Make the git_parse_int() method global so we can parse the integer
version value carefully.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It will likely be rare where a user uses a single bundle URI and expects
that URI to point to a bundle. Instead, that URI will likely be a list
of bundles provided in some format. Alternatively, the Git server could
advertise a list of bundles.
In anticipation of these two ways of advertising multiple bundles,
create a data structure that represents such a list. This will be
populated using a common API, but for now focus on what data can be
represented.
Each list contains a number of remote_bundle_info structs. These contain
an 'id' that is used to uniquely identify them in the list, and also a
'uri' that contains the location of its data. Finally, there is a strbuf
containing the filename used when Git downloads the contents to disk.
The list itself stores these remote_bundle_info structs in a hashtable
using 'id' as the key. The order of the structs in the input is
considered unimportant, but future modifications to the format and these
data structures will place ordering possibilities on the set. The list
also has a few "global" properties, including the version (used when
parsing the list) and the mode. The mode is one of these two options:
1. BUNDLE_MODE_ALL: all listed URIs are intended to be combined
together. The client should download all of the advertised data to
have a complete copy of the data.
2. BUNDLE_MODE_ANY: any one listed item is sufficient to have a complete
copy of the data. The client can choose arbitrarily from these
options. In the future, the client may use pings to find the closest
URI among geodistributed replicas, or use some other heuristic
information added to the format.
This API is currently unused, but will soon be expanded with parsing
logic and then be consumed by the bundle URI download logic.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The find_temp_filename() method was created in 53a50892be2 (bundle-uri:
create basic file-copy logic, 2022-08-09) and uses odb_mkstemp() to
create a temporary filename. The odb_mkstemp() method uses a strbuf in
its interface, but we do not need to continue carrying a strbuf
throughout the bundle URI code.
Convert the find_temp_filename() method to use a 'char *' and modify its
only caller. This makes sense that we don't actually need to modify this
filename directly later, so using a strbuf is overkill.
This change will simplify the data structure for tracking a bundle list
to use plain strings instead of strbufs.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --bundle-uri option was added in 55568919616 (clone: add
--bundle-uri option, 2022-08-09), but this also introduced a call to
repo_init() whose return value was ignored. Fix that ignored value by
warning that the bundle URI process could not continue if it failed.
Signed-off-by: Derrick Stolee <derrickstolee@github.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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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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The '--disk-usage' option for git-rev-list was introduced in 16950f8384
(rev-list: add --disk-usage option for calculating disk usage, 2021-02-09).
This is very useful for people inspect their git repo's objects usage
infomation, but the resulting number is quit hard for a human to read.
Teach git rev-list to output a human readable result when using
'--disk-usage'.
Signed-off-by: Li Linchao <lilinchao@oschina.cn>
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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The previous commit un-broke the "badFileMode" check; before then it was
literally testing nothing. And as far as I can tell, it has been so
since the very initial version of fsck.
The current severity of "badFileMode" is just "warning". But in the
--strict mode used by transfer.fsckObjects, that is elevated to an
error. This will potentially cause hassle for users, because historical
objects with bad modes will suddenly start causing pushes to many server
operators to be rejected.
At the same time, these bogus modes aren't actually a big risk. Because
we canonicalize them everywhere besides fsck, they can't cause too much
mischief in the real world. The worst thing you can do is end up with
two almost-identical trees that have different hashes but are
interpreted the same. That will generally cause things to be inefficient
rather than wrong, and is a bug somebody working on a Git implementation
would want to fix, but probably not worth inconveniencing users by
refusing to push or fetch.
So let's downgrade this to "info" by default, which is our setting for
"mention this when fscking, but don't ever reject, even under strict
mode". If somebody really wants to be paranoid, they can still adjust
the level using config.
Suggested-by: Xavier Morel <xavier.morel@masklinn.net>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use the normal tree_desc code to iterate over trees in fsck, meaning
we only see the canonicalized modes it returns. And hence we'd never see
anything unexpected, since it will coerce literally any garbage into one
of our normal and accepted modes.
We can use the new RAW_MODES flag to see the real modes, and then use
the existing code to actually analyze them. The existing code is written
as allow-known-good, so there's not much point in testing a variety of
breakages. The one tested here should be S_IFREG but with nonsense
permissions.
Do note that the error-reporting here isn't great. We don't mention the
specific bad mode, but just that the tree has one or more broken modes.
But when you go to look at it with "git ls-tree", we'll report the
canonicalized mode! This isn't ideal, but given that this should come up
rarely, and that any number of other tree corruptions might force you
into looking at the binary bytes via "cat-file", it's not the end of the
world. And it's something we can improve on top later if we choose.
Reported-by: Xavier Morel <xavier.morel@masklinn.net>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using init_tree_desc() and tree_entry() to iterate over a tree, we
always canonicalize the modes coming out of the tree. This is a good
thing to prevent bugs or oddities in normal code paths, but it's
counter-productive for tools like fsck that want to see the exact
contents.
We can address this by adding an option to avoid the extra
canonicalization. A few notes on the implementation:
- I've attached the new option to the tree_desc struct itself. The
actual code change is in decode_tree_entry(), which is in turn
called by the public update_tree_entry(), tree_entry(), and
init_tree_desc() functions, plus their "gently" counterparts.
By letting it ride along in the struct, we can avoid changing the
signature of those functions, which are called many times. Plus it's
conceptually simpler: you really want a particular iteration of a
tree to be "raw" or not, rather than individual calls.
- We still have to set the new option somewhere. The struct is
initialized by init_tree_desc(). I added the new flags field only to
the "gently" version. That avoids disturbing the much more numerous
non-gentle callers, and it makes sense that anybody being careful
about looking at raw modes would also be careful about bogus trees
(i.e., the caller will be something like fsck in the first place).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A previous change added the '--bundle-uri' option, but did not check
if the --depth parameter was included. Since bundles are not compatible
with shallow clones, provide an error message to the user who is
attempting this combination.
I am leaving this as its own change, separate from the one that
implements '--bundle-uri', because this is more of an advisory for the
user. There is nothing wrong with bootstrapping with bundles and then
fetching a shallow clone. However, that is likely going to involve too
much work for the client _and_ the server. The client will download all
of this bundle information containing the full history of the
repository only to ignore most of it. The server will get a shallow
fetch request, but with a list of haves that might cause a more painful
computation of that shallow pack-file.
Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous change created the 'git clone --bundle-uri=<uri>' option.
Currently, <uri> must be a filename.
Update copy_uri_to_file() to first inspect the URI for an HTTP(S) prefix
and use git-remote-https as the way to download the data at that URI.
Otherwise, check to see if file:// is present and modify the prefix
accordingly.
Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Cloning a remote repository is one of the most expensive operations in
Git. The server can spend a lot of CPU time generating a pack-file for
the client's request. The amount of data can clog the network for a long
time, and the Git protocol is not resumable. For users with poor network
connections or are located far away from the origin server, this can be
especially painful.
Add a new '--bundle-uri' option to 'git clone' to bootstrap a clone from
a bundle. If the user is aware of a bundle server, then they can tell
Git to bootstrap the new repository with these bundles before fetching
the remaining objects from the origin server.
Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Before implementing a way to fetch bundles into a repository, create the
basic logic. Assume that the URI is actually a file path. Future logic
will make this more careful to other protocols.
For now, we also only succeed if the content at the URI is a bundle
file, not a bundle list. Bundle lists will be implemented in a future
change.
Note that the discovery of a temporary filename is slightly racy because
the odb_mkstemp() relies on the temporary file not existing. With the
current implementation being limited to file copies, we could replace
the copy_file() with copy_fd(). The tricky part comes in future changes
that send the filename to 'git remote-https' and its 'get' capability.
At that point, we need the file descriptor closed _and_ the file
unlinked. If we were to keep the file descriptor open for the sake of
normal file copies, then we would pollute the rest of the code for
little benefit. This is especially the case because we expect that most
bundle URI use will be based on HTTPS instead of file copies.
Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A future change will want a way to download a file over HTTP(S) using
the simplest of download mechanisms. We do not want to assume that the
server on the other side understands anything about the Git protocol but
could be a simple static web server.
Create the new 'get' capability for the remote helpers which advertises
that the 'get' command is avalable. A caller can send a line containing
'get <url> <path>' to download the file at <url> into the file at
<path>.
Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous change introduced the bundle URI design document. It
creates a flexible set of options that allow bundle providers many ways
to organize Git object data and speed up clones and fetches. It is
particularly important that we have flexibility so we can apply future
advancements as new ideas for efficiently organizing Git data are
discovered.
However, the design document does not provide even an example of how
bundles could be organized, and that makes it difficult to envision how
the feature should work at the end of the implementation plan.
Add a section that details how a bundle provider could work, including
using the Git server advertisement for multiple geo-distributed servers.
This organization is based on the GVFS Cache Servers which have
successfully used similar ideas to provide fast object access and
reduced server load for very large repositories.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce the idea of bundle URIs to the Git codebase through an
aspirational design document. This document includes the full design
intended to include the feature in its fully-implemented form. This will
take several steps as detailed in the Implementation Plan section.
By committing this document now, it can be used to motivate changes
necessary to reach these final goals. The design can still be altered as
new information is discovered.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we wrap the tabdo command there's no need for a separate command
call.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Layouts with a single window other than "MERGED" do not work (e.g.
"LOCAL" or "MERGED+LOCAL").
This is because as the documentation of bufdo says:
The last buffer (or where an error occurred) becomes the current
buffer.
And we do always do bufdo the end.
Additionally, we do it only once, when it should be per tab.
Fix this by doing it once per tab right after it's created and before
any buffer is switched.
Cc: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we treat tabs especially, the logic becomes much simpler.
Cc: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When diffopt has hiddenoff set and there's only one window (as is the
case in the single window mode) the diff mode is turned off.
We don't want that, so turn that option off.
Cc: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using the single window mode we are greeted with the following
warning:
"./content_LOCAL_8975" 6L, 28B
"./content_BASE_8975" 6 lines, 29 bytes
"./content_REMOTE_8975" 6 lines, 29 bytes
"content" 16 lines, 115 bytes
Press ENTER or type command to continue
every time.
Silence that.
Suggested-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When vimdiff3 was added in 7c147b77d3 (mergetools: add vimdiff3 mode,
2014-04-20), the description made clear the intention:
It's similar to the default, except that the other windows are
hidden. This ensures that removed/added colors are still visible on
the main merge window, but the other windows not visible.
However, in 0041797449 (vimdiff: new implementation with layout support,
2022-03-30) this was broken by generating a command that never creates
windows, and therefore vim never shows the diff.
The layout support implementation broke the whole purpose of vimdiff3,
and simply shows MERGED, which is no different from simply opening the
file with vim.
In order to show the diff, the windows need to be created first, and
then when they are hidden the diff remains (if hidenoff isn't set), but
by setting the `hidden` option the initial buffers are marked as hidden
thus making the feature work.
Suggested-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The name of the variable is wrong, and it can be set to anything, like
1.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Reviewed-by: Fernando Ramos <greenfoo@u92.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Bug report
https://lore.kernel.org/git/AM0PR02MB56357CC96B702244F3271014E8DC9@AM0PR02MB5635.eurprd02.prod.outlook.com/
noted that a file containing /r/r/n needed renormalising twice.
This is by design. Lone CR characters, not paired with an LF, are left
unchanged. Note this limitation of the "clean" filter in the documentation.
Renormalize was introduced at 9472935d81e (add: introduce "--renormalize",
Torsten Bögershausen, 2017-11-16)
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Reviewed-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Enable the sparse index within the `git-rm` command.
The `p2000` tests demonstrate a ~92% execution time reduction for
'git rm' using a sparse index.
Test HEAD~1 HEAD
--------------------------------------------------------------------------
2000.74: git rm ... (full-v3) 0.41(0.37+0.05) 0.43(0.36+0.07) +4.9%
2000.75: git rm ... (full-v4) 0.38(0.34+0.05) 0.39(0.35+0.05) +2.6%
2000.76: git rm ... (sparse-v3) 0.57(0.56+0.01) 0.05(0.05+0.00) -91.2%
2000.77: git rm ... (sparse-v4) 0.57(0.55+0.02) 0.03(0.03+0.00) -94.7%
----
Also, normalize a behavioral difference of `git-rm` under sparse-index.
See related discussion [1].
`git-rm` a sparse-directory entry within a sparse-index enabled repo
behaves differently from a sparse directory within a sparse-checkout
enabled repo.
For example, in a sparse-index repo, where 'folder1' is a
sparse-directory entry, `git rm -r --sparse folder1` provides this:
rm 'folder1/'
Whereas in a sparse-checkout repo *without* sparse-index, doing so
provides this:
rm 'folder1/0/0/0'
rm 'folder1/0/1'
rm 'folder1/a'
Because `git rm` a sparse-directory entry does not need to expand the
index, therefore we should accept the current behavior, which is faster
than "expand the sparse-directory entry to match the sparse-checkout
situation".
Modify a previous test so such difference is not considered as an error.
[1] https://github.com/ffyuanda/git/pull/6#discussion_r934861398
Helped-by: Victoria Dye <vdye@github.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the `ensure_full_index()` method so `git-rm` does not always
expand the index when the expansion is unnecessary, i.e. when
<pathspec> does not have any possibilities to match anything outside
of sparse-checkout definition.
Expand the index when the <pathspec> needs an expanded index, i.e. the
<pathspec> contains wildcard that may need a full-index or the
<pathspec> is simply outside of sparse-checkout definition.
Notice that the test 'rm pathspec expands index when necessary' in
t1092 *is* testing this code change behavior, though it will be marked
as 'test_expect_success' only in the next patch, where we officially
mark `command_requires_full_index = 0`, so the index does not expand
unless we tell it to do so.
Notice that because we also want `ensure_full_index` to record the
stdout and stderr from Git command, a corresponding modification
is also included in this patch. The reason we want the "sparse-index-out"
and "sparse-index-err", is that we need to make sure there is no error
from Git command itself, so we can rely on the `test_region` result
and determine if the index is expanded or not.
Helped-by: Victoria Dye <vdye@github.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Method pathspec_needs_expanded_index() in reset.c from 4d1cfc1351
(reset: make --mixed sparse-aware, 2021-11-29) is reusable when we
need to verify if the index needs to be expanded when the command
is utilizing a pathspec rather than a literal path.
Move it to pathspec.h for reusability.
Add a few items to the function so it can better serve its purpose as
a standalone public function:
* Add a check in front so if the index is not sparse, return early since
no expansion is needed.
* It now takes an arbitrary 'struct index_state' pointer instead of
using `the_index` and `active_cache`.
* Add documentation to the function.
Helped-by: Victoria Dye <vdye@github.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add tests for `git-rm`, make sure it behaves as expected when
<pathspec> is both inside or outside of sparse-checkout definition.
Helped-by: Victoria Dye <vdye@github.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If 'unpack_single_entry()' is unpacking a new directory tree (that is, one
not already present in the index) into a sparse index, unpack the tree as a
sparse directory rather than traversing its contents and unpacking each file
individually. This helps keep the sparse index as collapsed as possible in
cases such as 'git reset --hard' restoring a outside-of-cone directory
removed with 'git rm -r --sparse'.
Without this patch, 'unpack_single_entry()' will only unpack a directory
into the index as a sparse directory (rather than traversing into it and
unpacking its files one-by-one) if an entry with the same name already
exists in the index. This patch allows sparse directory unpacking without a
matching index entry when the following conditions are met:
1. the directory's path is outside the sparse cone, and
2. there are no children of the directory in the index
If a directory meets these requirements (as determined by
'is_new_sparse_dir()'), 'unpack_single_entry()' unpacks the sparse directory
index entry and propagates the decision back up to 'unpack_callback()' to
prevent unnecessary tree traversal into the unpacked directory.
Reported-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add 'index_name_pos_sparse()', which behaves the same as 'index_name_pos()',
except that it does not expand a sparse index to search for an entry inside
a sparse directory.
'index_entry_exists()' was originally implemented in 20ec2d034c (reset: make
sparse-aware (except --mixed), 2021-11-29) as an alternative to
'index_name_pos()' to allow callers to search for an index entry without
expanding a sparse index. However, that particular use case only required
knowing whether the requested entry existed, so 'index_entry_exists()' does
not return the index positioning information provided by 'index_name_pos()'.
This patch implements 'index_name_pos_sparse()' to accommodate callers that
need the positioning information of 'index_name_pos()', but do not want to
expand the index.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update 'do_oneway_diff()' to perform a 'diff_tree_oid()' on removed sparse
directories, as it does for added or modified sparse directories (see
9eb00af562 (diff-lib: handle index diffs with sparse dirs, 2021-07-14)).
At the moment, this update is unreachable code because 'unpack_trees()'
(currently the only way 'oneway_diff()' can be called, via 'diff_cache()')
will always traverse trees down to the individual removed files of a deleted
sparse directory. A subsequent patch will change this to better preserve a
sparse index in other uses of 'unpack_tree()', e.g. 'git reset --hard'.
However, making that change without this patch would result in (among other
issues) 'git status' printing only the name of a deleted sparse directory,
not its contents. To avoid introducing that bug, 'do_oneway_diff()' is
updated before modifying 'unpack_trees()'.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the 'recursive' diff flag to the local changes reporting done by 'git
checkout' in 'show_local_changes()'. Without the flag enabled, unexpanded
sparse directories will not be recursed into to report the diff of each
file's contents, resulting in the reported local changes including
"modified" sparse directories.
The same issue was found and fixed for 'git status' in 2c521b0e49 (status:
fix nested sparse directory diff in sparse index, 2022-03-01)
Signed-off-by: Victoria Dye <vdye@github.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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When an Administrator creates a file or directory, the created
file/directory is owned not by the Administrator SID, but by the
_Administrators Group_ SID. The reason is that users with administrator
privileges usually run in unprivileged ("non-elevated") mode, and their
user SID does not change when running in elevated mode.
This is is relevant e.g. when running a GitHub workflow on a build
agent, which runs in elevated mode: cloning a Git repository in a script
step will cause the worktree to be owned by the Administrators Group
SID, for example.
Let's handle this case as following: if the current user is an
administrator, Git should consider a worktree owned by the
Administrators Group as if it were owned by said user.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The FAT file system has no concept of ACLs. Therefore, it cannot store
any ownership information anyway, and the `GetNamedSecurityInfoW()` call
pretends that everything is owned "by the world".
Let's special-case that scenario and tell the user what's going on.
This addresses https://github.com/git-for-windows/git/issues/3886
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When Git refuses to use an existing repository because it is owned by
someone else than the current user, it can be a bit tricky on Windows to
figure out what is going on.
Let's help with that by providing more detailed information.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When verifying the ownership of the Git directory, we sometimes would
like to say a bit more about it, e.g. when using a platform-dependent
code path (think: Windows has the permission model that is so different
from Unix'), but only when it is a appropriate to actually say
something.
To allow for that, collect that information and hand it back to the
caller (whose responsibility it is to show it or not).
Note: We do not actually fill in any platform-dependent information yet,
this commit just adds the infrastructure to be able to do so.
Based-on-an-idea-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for touching code that was introduced in 3b0bf2704980
(setup: tighten ownership checks post CVE-2022-24765, 2022-05-10) and
that was formatted differently than preferred in the Git project, fix
the indentation before actually modifying the code.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a logic error in a082345372e (hook API: fix v2.36.0 regression:
hooks should be connected to a TTY, 2022-06-07). When it started using
the "ungroup" API added in fd3aaf53f71 (run-command: add an "ungroup"
option to run_process_parallel(), 2022-06-07) it should have made the
same sort of change that fd3aaf53f71 itself made in
"t/helper/test-run-command.c".
The correct way to emit this "Couldn't start" output with "ungroup"
would be:
fprintf(stderr, _("Couldn't start hook '%s'\n"), hook_path);
But we should instead remove the emitting of this output. As the added
test shows we already emit output when we can't run the child. The
"cannot run" output here is emitted by run-command.c's
child_err_spew().
So the addition of the "Couldn't start hook" output here in
96e7225b310 (hook: add 'run' subcommand, 2021-12-22) was always
redundant. For the pre-commit hook we'll now emit exactly the same
output as we did before f443246b9f2 (commit: convert
{pre-commit,prepare-commit-msg} hook to hook.h, 2021-12-22) (and
likewise for others).
We could at this point add this to the pick_next_hook() callbacks in
hook.c:
assert(!out);
assert(!*pp_task_cb);
And this to notify_start_failure() and notify_hook_finished() (in the
latter case the parameter is called "pp_task_cp"):
assert(!out);
assert(!pp_task_cb);
But let's leave any such instrumentation for some eventual cleanup of
the "ungroup" API.
Reported-by: Ilya K <me@0upti.me>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Emily Shaffer <emilyshaffer@google.com>
Reviewed-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the http-protocol.txt documentation over. I'm renaming it to
"protocol-http" to be consistent with other things in the new
gitformat-protocol-* namespace.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Integrate the cruft packs documentation initially added in
3d89a8c1180 (Documentation/technical: add cruft-packs.txt, 2022-05-20)
to the newly created "gitformat-pack" documentation.
Like the "bitmap-format" added before it in
0d4455a3ab0 (documentation: add documentation for the bitmap format,
2013-11-14) the "cruft-packs" were documented in their own file.
As the diff move detection will show there is no change to
"Documentation/technical/cruft-packs.txt" here except to move it, and
to "indent" the existing sections by adding an extra "=" to them.
We could similarly convert the "bitmap-format.txt", but let's leave it
for now due to a conflict with the in-flight ac/bitmap-lookup-table
series.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the various documentation pertaining to the *.pack format and related
files, and updating things that refer to it to link to the new
location.
By moving these we can properly link from the newly created
gitformat-commit-graph to a gitformat-chunk-format page.
Integrating "Documentation/technical/bitmap-format.txt" and
"Documentation/technical/cruft-packs.txt" might logically be part of
this change, but as those cover parts of the wider "pack
format" (including associated files) that's documented outside of
"Documentation/technical/pack-format.txt" let's leave those for now,
subsequent commit(s) will address those.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the signature format documentation.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the index format documentation.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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