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Change-Id: Ic7a6a87dd3a21351e60fbf6cd330456adf1f6800
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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If the configuration variable uploadpack.allowfilter is true, advertise
that "filter" is supported, and support it if the client sends such an
argument.
Change-Id: I7de66c0a0ada46ff71c5ba124d4ffa7c47254c3b
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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A subsequent patch will dynamically generate the capability
advertisement, so the capability advertisements produced are not always
the same. Separate the checking of the advertisements into its own test
method.
Change-Id: I768d14b9d1a244d5d886c42ffd62ef3957b518fb
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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JGit's implementation of the fetch command of protocol v2, unlike its
implementation of ls-refs, currently tolerates unknown arguments.
Tighten fetch to not allow unrecognized arguments and add tests to
verify this behavior for both ls-refs and fetch.
Change-Id: I321161d568bd638252fab1a47b06b924d472a669
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Add support for the "shallow" and "deepen" parameters in the "fetch"
command in the fetch-pack/upload-pack protocol v2. Advertise support for
this in the capability advertisement.
TODO: implement deepen-relative, deepen-since, deepen-not
Change-Id: I7ffd80d6c38872f9d713ac7d6e0412106b3766d7
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jonathan Nieder <jrn@google.com>
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Change-Id: I9c4a0465f8e85041d24da97f4b4c7ad5f5eed3e4
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Change-Id: Ifad678794525c01838b03e52bada66e1c089c5ae
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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The canonical implementation also doesn't. Compare current
code in remote.c, function get_stale_heads_cb.[1] Not handling
symrefs in this case was introduced in canonical git in [2]
in 2008.
[1] https://github.com/git/git/blob/v2.17.0/remote.c#L2259
[2] https://github.com/git/git/commit/740fdd27f0
Bug: 533549
Change-Id: If348d56bb4a96b8aa7141f7e7b5a0d3dd4e7808b
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Change-Id: Ie343ccf37f46168041046500a2e19acc80814cfe
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Change-Id: Ie2c35fab87f294b00f9754b07b60a848bf256b10
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Callers should use getRefDatabase().peel(ref) instead since it
doesn't swallow the IOException.
Adapt all trivial callers to user the alternative.
DescribeCommand still uses the deprecated method and is not adapted in
this change since it will require more refactoring to add handling of
the IOException.
Change-Id: I14d4a95a5e0570548753b9fc5c03d024dc3ff832
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Make FileTreeIterator not enter ignored directories by default. We
only need to enter ignored directories if we do some operation against
git, and there is at least one tracked file underneath an ignored
directory.
Walking ignored directories should be avoided as much as possible as
it is a potential performance bottleneck. Some projects have a lot of
files or very deep hierarchies in ignored directories; walking those
may be costly (especially so on Windows). See for instance also bug
500106.
Provide a FileTreeIterator.setWalkIgnoredDirectories() operation to
force the iterator to iterate also through otherwise ignored
directories. Useful for tests (IgnoreNodeTest, CGitIgnoreTest), or
to implement things like "git ls-files --ignored".
Add tests in DirCacheCheckoutTest, and amend IndexDiffTest to test a
little bit more.
Bug: 388582
Change-Id: I6ff584a42c55a07120a4369fd308409431bdb94a
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Callers should use getRefDatabase().getRefsByPrefix(R_TAGS) instead.
Adjust the tests accordingly.
Bug: 534731
Change-Id: Ib28ae365e42720268996ff46e34cae1745ad545c
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Remove it from
* package private functions.
* try blocks
* for loops
this was done with the following python script:
$ cat f.py
import sys
import re
import os
def replaceFinal(m):
return m.group(1) + "(" + m.group(2).replace('final ', '') + ")"
methodDecl = re.compile(r"^([\t ]*[a-zA-Z_ ]+)\(([^)]*)\)")
def subst(fn):
input = open(fn)
os.rename(fn, fn + "~")
dest = open(fn, 'w')
for l in input:
l = methodDecl.sub(replaceFinal, l)
dest.write(l)
dest.close()
for root, dirs, files in os.walk(".", topdown=False):
for f in files:
if not f.endswith('.java'):
continue
full = os.path.join(root, f)
print full
subst(full)
Change-Id: If533a75a417594fc893e7c669d2c1f0f6caeb7ca
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
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Add support for the "ofs-delta" parameter in the "fetch" command in
the fetch-pack/upload-pack protocol v2.
Change-Id: I728cf986082fce4ddeb6a6435897692e15e60cc7
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Add support for the "include-tag" parameter in the "fetch" command in
the fetch-pack/upload-pack protocol v2.
In order to determine which tags to include, only objects pointed to by
refs starting with "refs/tags/" are checked. This restriction is for
performance reasons and to match the behavior of Git (see add_ref_tag()
in builtin/pack-objects.c).
Change-Id: I7d70aa09bcc8a525218ff1559e286c2a610258ca
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jonathan Nieder <jrn@google.com>
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Change-Id: Id924f79c8b2c720297ebc49bf9c5d4ddd6d52547
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
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This makes binary detection exact in ResolveMerger and DiffFormatter
This has the same intention as
Id4342a199628d9406bfa04af1b023c27a47d4014 but preserves backward
compatibility of the signature of RawParseUtils.lineMap.
Change-Id: Ia24a4e716592bab3363ae24e3a46315a7511154f
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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It often fails on my machine, both in maven and bazel.
This patch marks the test flaky[1] in bazel so that "bazel test" can
run it a few times before declaring failure.
[1] https://docs.bazel.build/versions/master/be/common-definitions.html#test.flaky
Bug: 534285
Change-Id: Ibe5414fefbffe4e8f86af7047608d51cf5df5c47
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Change-Id: I2d3e426a3391923f8a690ac68fcc33851f3eb419
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Change-Id: I90226674320841774ad691c84609e3fe71bf7852
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Change-Id: I3677ecb106ade209e756cec2c6f4232a416bfb44
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Eclipse reports these as errors, so remove them.
Change-Id: Ic53d8003f9faef38fe776af5a73794e7bb1dfc49
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Add support for the "no-progress" parameter in the "fetch" command in
the fetch-pack/upload-pack protocol v2.
Change-Id: I6a6d6b1534f44845254b81d0e1f5c4ba2ac3d10b
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Add support for the "thin-pack" parameter in the "fetch" command in
the fetch-pack/upload-pack protocol v2.
Change-Id: I39a37b2b66a16929137d35c718a3acf2afb6b0b5
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Add basic support for the "fetch" command in the fetch-pack/upload-pack
protocol v2. This patch teaches "have" and "done".
The protocol specification (Documentation/technical/protocol-v2.txt in
the Git project) states:
want <oid>
Indicates to the server an object which the client wants to
retrieve. Wants can be anything and are not limited to
advertised objects.
It is unspecified whether the server should respect the
uploadpack.allowtipsha1inwant option etc. when serving packfiles. This
patch is conservative in that the server respects them.
Change-Id: I3dbec172239712ef9286a15b8407e86b87ea7863
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Add support for the "ref-prefix" parameter in the "ls-refs" command in
the fetch-pack/upload-pack protocol v2.
Change-Id: If9cf93b2646f75d50a11b5f482594f014d59a836
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Implement support for Git protocol v2's "ls-refs" command and its
"symrefs" and "peel" parameters.
This adds support for this command to UploadPack but the git://,
ssh://, and git:// transports do not make use of it yet. That will
have to wait for later patches.
Change-Id: I8abc6bcc6ed4a88c165677ff1245625aca01267b
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jonathan Nieder <jrn@google.com>
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Add initial support for protocol v2 of the fetch-pack/upload-pack
protocol. This protocol is described in the Git project in
"Documentation/technical/protocol-v2.txt".
This patch adds support for protocol v2 (without any capabilities) to
UploadPack. Adaptations of callers to make use of this support will
come in subsequent patches.
[jn: split from a larger patch; tweaked the API to make UploadPack
handle parsing the extra parameters and config instead of requiring
each caller to do such parsing]
Change-Id: I79399fa0dce533fdc8c1dbb6756748818cee45b0
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jonathan Nieder <jrn@google.com>
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Most pkt-lines (data-pkts) have the form
pkt-len pkt-payload
where pkt-len is a string of 4 hexadecimal digits representing the
size in bytes of the pkt-line. Since this size includes the size of
the pkt-len, no data-pkt has a length less than 4.
A pkt-line with a length field less than 4 can thus be used for
other purposes. In Git protocol v1, the only such pkt-line was
flush-pkt = "0000"
which was used to mark the end of a stream. Protocol v2 (see
Documentation/technical/protocol-v2.txt in git.git) introduces a
second special pkt-line type:
delim-pkt = "0001"
used to mark the end of a section within a stream, for example to
separate capabilities from the content of a command.
[jn: split out from a larger patch that made use of this support]
Change-Id: I10e7824fa24ed74c4f45624bd490bba978cf5c34
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jonathan Nieder <jrn@google.com>
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The existing RefDatabase#getRefs abstract method (to be implemented by
ref database backends) has the following issues:
- It returns a map with a key (the name of the ref with the prefix
removed) which is potentially superfluous (it can be derived by the
caller if need be) and confusing (in that the prefix is removed).
- The prefix is required to end with a '/', but some backends (e.g.
reftable) have fast search by prefix regardless of what the last
character of the prefix is.
Add a new method #getRefsByPrefix that does not have these issues. This
is non-abstract with a default implementation that uses #getRefs (for
backwards compatibility), but ref database backends can reimplement it.
This also prepares for supporting "ref-prefix" in the "ls-refs" command
in the fetch-pack/upload-pack protocol v2, which does not require that
the prefix end with a '/'.
Change-Id: I4c92f852e8c1558095dd460b5fd7b602c1d82df1
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jonathan Nieder <jrn@google.com>
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Otherwise successful, non-conflicting merges will never get a
Gerrit Change-Id.
Bug: 358206
Change-Id: I9b599ad01d9f7332200c1d81a1ba6ce5ef990ab5
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Various places on the client side of the push were creating unordered
maps and sets of ref names, resulting in ReceivePack processing commands
in an order other than what the client provided. This is normally not
problematic for clients, who don't typically care about the order in
which ref updates are applied to the storage layer.
However, it does make it difficult to write deterministic tests of
ReceivePack or hooks whose output depends on the order in which commands
are processed, for example if informational per-ref messages are written
to a sideband.[1]
Add a test that ensures the ordering of commands both internally in
ReceivePack and in the output PushResult.
[1] Real-world example:
https://gerrit-review.googlesource.com/c/gerrit/+/171871/1/javatests/com/google/gerrit/acceptance/git/PushPermissionsIT.java#149
Change-Id: I7f1254b4ebf202d4dcfc8e59d7120427542d0d9e
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Previously @ was allowed e.g. in branch names, but not as the last
character. The case that @ is the last character was not handled.
Change-Id: Ic33870b22236f7a5ec7b54007f1b0cefd9354bfb
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Getting attributes of files on Windows is an expensive operation.
Windows stores file attributes in the directory, so they are
basically available "for free" when a directory is listed. The
implementation of Java's Files.walkFileTree() takes advantage of
that (at least in the OpenJDK implementation for Windows) and
provides the attributes from the directory to a FileVisitor.
Using Files.walkFileTree() with a maximum depth of 1 is thus a
good approach on Windows to get both the file names and the
attributes in one go.
In my tests, this gives a significant speed-up of FileTreeIterator
over the "normal" way: using File.listFiles() and then reading the
attributes of each file individually. The speed-up is hard to
quantify exactly, but in my tests I've observed consistently 30-40%
for staging 500 files one after another, each individually, and up
to 50% for individual TreeWalks with a FileTreeIterator.
On Unix, this technique is detrimental. Unix stores file attributes
differently, and getting attributes of individual files is not costly.
On Unix, the old way of doing a listFiles() and getting individual
attributes (both native operations) is about three times faster than
using walkFileTree, which is implemented in Java.
Therefore, move the operation to FS/FS_Win32 and call it from
FileTreeIterator, so that we can have different implementations
depending on the file system.
A little performance test program is included as a JUnit test (to be
run manually).
While this does speed up things on Windows, it doesn't solve the basic
problem of bug 532300: the iterator always gets the full directory
listing and the attributes of all files, and the more files there are
the longer that takes.
Bug: 532300
Change-Id: Ic5facb871c725256c2324b0d97b95e6efc33282a
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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The class names imply that RecursiveMergerTest tests the RecursiveMerger
and ResolveMergerTest tests the ResolveMerger.
In fact, both of them include coverage of both strategies; the difference
is that RecursiveMergerTest is only testing criss-cross merges.
The tests cannot be combined into a single class because the criss-cross
test methods have additional data points.
Instead, rename the classes to more meaningful names.
Change-Id: I7ca8a03a3b7e351e2d4fcaca3b3186c098a3ca66
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Define strategiesUnderTest as an array of MergeStrategy using the
@DataPoints annotation, rather than two separate variables each
annotated as @DataPoint.
This makes the implementation consistent with RecursiveMergerTest.
Change-Id: I9f1d525b38cb59634ba054c7779dc4af1fc46e25
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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The local variable 'remote' hides the class scope variable
of the same name.
Change-Id: I7410c33678677ce2a14691772466d91e8139e3fa
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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* stable-4.11:
ObjectIdSerializer: Support serialization of known non-null ObjectId
Change-Id: Ie430fa2c5d13ae698d884a37d0d03884ebbf25ec
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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The implementation of ObjectIdSerializer, added in change I7599cf8bd,
is not equivalent to the original implementation in Gerrit [1].
The Gerrit implementation provides separate methods to (de)serialize
instances of ObjectId that are known to be non-null. In these methods,
no "marker" is written to the stream. Replacing Gerrit's implementation
with ObjectIdSerializer [2] broke persistent caches because it started
writing markers where they were not expected [3].
Since ObjectIdSerializer is included in JGit 4.11 we can't change the
existing #write and #read methods. Keep those as-is, but extend the
Javadoc to clarify that they support possibly null ObjectId instances.
Add new methods #writeWithoutMarker and #readWithoutMarker to support
the cases where the ObjectId is known to be non-null and the marker
should not be written to the serialization stream.
Also:
- Replace the hard-coded `0` and `1` markers with constants that can
be linked from the Javadocs.
- Include the marker value in the "Invalid flag before ObjectId"
exception message.
[1] https://gerrit-review.googlesource.com/c/gerrit/+/9792
[2] https://gerrit-review.googlesource.com/c/gerrit/+/165851
[3] https://gerrit-review.googlesource.com/c/gerrit/+/165952
Change-Id: Iaf84c3ec32ecf83efffb306fdb4940cc85740f3f
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Teach UploadPack to advertise the filter capability and support a
"filter" line in the request, accepting blob sizes only, if the
configuration variable "uploadpack.allowfilter" is true. This feature is
currently in the "master" branch of Git, and as of the time of writing,
this feature is to be released in Git 2.17.
This is incomplete in that the filter-by-sparse-specification feature
also supported by Git is not included in this patch.
If a JGit server were to be patched with this commit, and a repository
on that server configured with RequestPolicy.ANY or
RequestPolicy.REACHABLE_COMMIT_TIP, a Git client built from the "master"
branch would be able to perform a partial clone.
Change-Id: If72b4b422c06ab432137e9e5272d353b14b73259
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Change-Id: I72756d92dc5ea54ad009dddb9cebbcd6d1a0b4f8
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Change-Id: If37ce4447feb431169a75594194a7ef02e362d4e
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Change-Id: I198ff2ff36de482445141b5ce489204a9c2f4933
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Change-Id: I162bfa6b2f87f2ce9154f3ed6bb628c4cda88f50
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Change-Id: I63ad25e1ebd94081c8848f4d21044cf9041f971d
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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In most of the tests, the temporary buffer is explicitly destroyed in
a finally block after being closed. This is not possible if using the
try-with-resource construct, because the variable is not accessible in
the finally block scope.
Change-Id: I3bab30695ddd12e1a0ae107989638428fe3ef551
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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When an auto-closeable resources is not opened in try-with-resource,
the warning "should be managed by try-with-resource" is emitted by
Eclipse.
Fix the ones that can be silenced simply by moving the declaration of
the variable into a try-with-resource.
In cases where we explicitly call the close() method, for example in
tests where we are testing specific behavior caused by the close(),
suppress the warning.
Leave the ones that will require more significant refcactoring to fix.
They can be done in separate commits that can be reviewed and tested
in isolation.
Change-Id: I9682cd20fb15167d3c7f9027cecdc82bc50b83c4
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Change-Id: I42cdb57b8fb54ce466d1958391f12f911045327f
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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