| Commit message (Collapse) | Author | Age | Files | Lines |
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* stable-5.1:
Prepare 5.1.9-SNAPSHOT builds
JGit v5.1.8.201906050907-r
Test detecting modified packfiles
Enhance fsTick() to use filesystem timer resolution
Add debug trace to measure time needed to open pack index
Extend FileSnapshot for packfiles to also use checksum to detect changes
Wait opening new packfile until it can't be racy anymore
Avoid null PackConfig in GC
Add FileSnapshot test testing recognition of file size changes
Capture reason for result of FileSnapshot#isModified
Skip FileSnapshotTest#testSimulatePackfileReplacement on Windows
Tune max heap size for tests
Fix FileSnapshotTest.testNewFileNoWait() to match its javadoc
ObjectDirectory: fix closing of obsolete packs
Include filekey file attribute when comparing FileSnapshots
Measure file timestamp resolution used in FileSnapshot
Fix FileSnapshot's consideration of file size
Fix API problem filters
Change-Id: I3ac77bfa03f7436de12ab86e1bba29afee5ccd01
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Test that JGit detects that packfiles have changed even if they are
repacked multiple times in one tick of the filesystem timer.
Test that this detection works also when repacking doesn't change the
length or the filekey of the packfile. In this case where a modified
file can't be detected by looking at file metadata JGit should still
detect too fast modification by racy git checks and trigger rescanning
the pack list and consequently rereading of packfile content.
Change-Id: I67682cfb807c58afc6de9375224ff7489d6618fb
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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If the attributes of FileSnapshot don't detect modification of a
packfile read the packfile's checksum and compare it against the
checksum cached in the loaded packfile.
Since reading the checksum needs less IO than reloading the complete
packfile this may help to reduce the overhead to detect modficiation
when a gc completes while ObjectDirectory scans for packfiles in another
thread.
Bug: 546891
Change-Id: I9811b497eb11b8a85ae689081dc5d949ca8c4be5
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Change-Id: Ibcd76a5e6e4183ada0be1d4436ce957243f2094d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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This allows to verify the expected behavior in
FileSnapshotTest#testSimulatePackfileReplacement and enables extending
FileSnapshot for packfiles to read the packfile's checksum as another
criterion to detect modifications without reading the full content.
Also add another field capturing the result of the last check if
lastModified was racily clean.
Remove unnecessary determination of raciness in the constructor. It was
determined twice in all relevant cases.
Change-Id: I100a2f49d7949693d7b72daa89437e166f1dc107
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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NTFS does not support FileKey hence ignore this test on Windows.
Change-Id: I7b53a591daa5e03eb5e401b5b26d612ab68ce10d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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testNewFileNoWait() was identical to testNewFileWithWait() but claims it
doesn't wait at all. Hence remove the waits.
Change-Id: I49b8ca5cb49a43c55fe61870c18c42f32fb4b74d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Due to finite filesystem timestamp resolution the last modified
timestamp of files cannot detect file changes which happened in the
immediate past (less than one filesystem timer tick ago).
Some filesystems expose unique file identifiers, e.g. inodes in Posix
filesystems which are named filekeys in Java's BasicFileAttributes. Use
them as another means to detect file modifications based on stat
information.
Running git gc on a repository yields a new packfile with the same id as
a packfile which existed before the gc if these packfiles contain the
same set of objects. The content of the old and the new packfile might
differ if a different PackConfig was used when writing the packfile.
Considering filekeys in FileSnapshot may help to detect such packfile
modifications.
Bug: 546891
Change-Id: I711a80328c55e1a31171d540880b8e80ec1fe095
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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FileSnapshot.notRacyClean() assumed a worst case filesystem timestamp
resolution of 2.5 sec (FAT has a resolution of 2 sec). Instead measure
timestamp resolution to avoid unnecessary IO caused by false positives
in detecting the racy git problem caused by finite filesystem timestamp
resolution [1].
Cache the measured resolution per FileStore since timestamp resolution
depends on the respective filesystem type. If timestamp resolution
cannot be measured or fails due to an exception fallback to the worst
case FAT timestamp resolution and avoid caching this value.
Add a 10% safety margin in FileSnapshot.notRacyClean(), though running
FsTest.testFsTimestampResolution() 1000 times which is not using a
safety margin didn't fail on Mac using APFS and Java 8, 11, 12.
Measured Java file timestamp resolution: [2]
[1] https://github.com/git/git/blob/master/Documentation/technical/racy-git.txt
[2] https://docs.google.com/spreadsheets/d/1imy0y6WmRqBf0kjCxzxj2X7M50eIVfa7oaUIzEOHmjo
Bug: 546891
Change-Id: I493f3b57b6b306285ffa7d392339d253e5966ab8
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Making gitlinks and folders match in a tree walk was the wrong
approach to fix bug 467631. The problem is that in such a conflict
the tree walk may then not descend into the folder.
Revert the changes to Paths.java and PathsTest.java from commit
4678f4b. Instead test for the problem case from bug 467631 explicitly
in IndexDiff. Add Daniel's test case from bug 545162, and add yet
another test case for DiffEntry.scan() that covers the problem
originally reported in bug 545162.
Bug: 545162
Change-Id: Ie2214c5d5ee32ac6596b621f0f1c7b86d38fa9b7
Also-by: Daniel Veihelmann <daniel.veihelmann@gmail.com>
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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* stable-5.1:
Fix GC to delete empty fanout directories after repacking
Change-Id: I0cf4d26bdee5ecee43e723c4176efbce777acabc
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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* stable-5.0:
Fix GC to delete empty fanout directories after repacking
Change-Id: I5c0e7d59f137c27e4588f20f4472d3ea450cd59c
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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* stable-4.11:
Fix GC to delete empty fanout directories after repacking
Change-Id: Idce894a24e126e0fbe7bc9b6a3c64318f1a8eb75
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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* stable-4.10:
Fix GC to delete empty fanout directories after repacking
Change-Id: I7118b9c668dcbb0f5435cc613e964c557bfebf01
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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* stable-4.9:
Fix GC to delete empty fanout directories after repacking
Change-Id: Ibdbfe08eb290286fa738010bad1c604e857885cd
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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The prune method did not delete empty fanout directories when loose
objects moved to a new pack file but only when loose unreferenced
objects were pruned.
Change-Id: Ia068f4914c54d9cf9f40b75e8ea50759402b5000
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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* stable-4.11:
Fix error log message in ObjectDirectory.handlePackError()
Properly format pack checksums in PackFile.idx()
Cancel gc if thread was interrupted
PackFile: report correct message for checksum mismatch
ObjectDirectory: Clean up logging
Bazel: Stop using native.git_repository
ObjectDirectory: extra logging on packfile exceptions
Change-Id: If75b149e693005dd3fe06b523e6e6784bedf44c1
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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* stable-4.10:
Fix error log message in ObjectDirectory.handlePackError()
Properly format pack checksums in PackFile.idx()
Cancel gc if thread was interrupted
PackFile: report correct message for checksum mismatch
ObjectDirectory: Clean up logging
Bazel: Stop using native.git_repository
ObjectDirectory: extra logging on packfile exceptions
Change-Id: I9052e318b5d920770f7c7121d36e3c58df9d5f5a
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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* stable-4.9:
Fix error log message in ObjectDirectory.handlePackError()
Properly format pack checksums in PackFile.idx()
Cancel gc if thread was interrupted
PackFile: report correct message for checksum mismatch
ObjectDirectory: Clean up logging
Bazel: Stop using native.git_repository
ObjectDirectory: extra logging on packfile exceptions
Change-Id: I0847251eb010616a705e0b91df4bdebc225fa95d
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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see
https://groups.google.com/d/msg/repo-discuss/oDB2rl3doDc/tFEh5Xt0CAAJ
Change-Id: Ia6d4631c64e065d8b9b09e0b45e7a9ea8ac3f41d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
(cherry picked from commit 882fed0d96c533513c43ae77aaff9cc07b94012c)
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* stable-5.1:
Fix error log message in ObjectDirectory.handlePackError()
Properly format pack checksums in PackFile.idx()
Cancel gc if thread was interrupted
PackFile: report correct message for checksum mismatch
ObjectDirectory: Clean up logging
Bazel: Stop using native.git_repository
Change-Id: I42b72a3bba3b4c9389d91a1a35a8004836567e7c
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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see
https://groups.google.com/d/msg/repo-discuss/oDB2rl3doDc/tFEh5Xt0CAAJ
Change-Id: Ia6d4631c64e065d8b9b09e0b45e7a9ea8ac3f41d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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* stable-5.1:
UploadPack: Avoid calling AdvertiseRefsHook twice
Prepare 5.1.5-SNAPSHOT builds
JGit v5.1.4.201812251853-r
UploadPack: Filter refs used for want-ref resolution
UploadPack: Defer want-ref resolution to after parsing
Call AdvertiseRefsHook for protocol v2
Prepare 4.11.7-SNAPSHOT builds
JGit v4.11.6.201812241910-r
Prepare 4.9.9-SNAPSHOT builds
JGit v4.9.8.201812241815-r
UploadPack: Test filtering by AdvertiseRefsHook in stateless transports
Prepare 4.7.8-SNAPSHOT builds
JGit v4.7.7.201812240805-r
Fix feature versions imported by feature org.eclipse.jgit.pgm
Prepare 4.5.6-SNAPSHOT builds
JGit v4.5.5.201812240535-r
Call AdvertiseRefsHook before validating wants
Change-Id: I5879df9b723a0dbf6a1eff89a34bbb269f3b773d
Signed-off-by: Jonathan Nieder <jrn@google.com>
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ProtocolV2Parser explains:
// TODO(ifrade): This validation should be done after the
// protocol parsing. It is not a protocol problem asking for an
// unexisting ref and we wouldn't need the ref database here.
Do so. This way all ref database accesses are in one place, in the
UploadPack class.
No user-visible change intended --- this is just to make the code
easier to manipulate.
Change-Id: I68e87dff7b9a63ccc169bd0836e8e8baaf5d1048
Signed-off-by: Jonathan Nieder <jrn@google.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Set GIT_DIR and GIT_WORK_TREE when calling hooks.
Bug: 541622
Change-Id: I6153d8a6a934ec37a3a5e7319c2d0e516f539ab7
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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After cloning a repo with a submodule, non-recursively, JGit would
encounter in its TreeWalk in IndexDiff:
* first, a missing gitlink (in index & HEAD, not in working tree)
* second, the untracked folder (not in index and head, in working tree)
As a result, it would report the submodule as missing. Canonical git
reports a clean workspace.
The root cause of this is that the path of a gitlink "x" did
not compare equal to the path of a tree "x" in JGit.
Correct Paths.compare() to account for that. If two paths are otherwise
equal, then let gitlinks match both trees and files. Matching trees
solves the bug. Matching files is necessary to handle the case where
the gitlink directory was replaced by a file; see the new test case
IndexDiffSubmoduleTest.testSubmoduleReplacedByFile(). Comparisons of
unequal paths are left untouched, so the sort order is unchanged.
After the fix, another bug(?) in WorkingTreeIterator became apparent:
with core.dirNoGitLinks = true, it was no longer possible to overwrite
a gitlink in the index. This is now fixed in WorkingTreeIterator.
Add new test cases for the bug itself and for some related cases
(submodule directory deleted or replaced by a file) in
IndexDiffSubmoduleTest. Add a test for missing files in IndexDiffTest,
and adapt the PathsTest to test matching gitlinks.
Bug: 467631
Change-Id: I0549d10d46b1858e5eec3cc15095aa9f1d5f5280
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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* stable-5.1:
Fix DescribeCommand with multiple match options
Fix git-describe tie-breakers
Change-Id: I64d9b0099fc0d8449ec08f0b5653572b5c2f840f
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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* stable-5.0:
Fix DescribeCommand with multiple match options
Fix git-describe tie-breakers
Change-Id: I63e7a56bb617b5ce8774e1dc7f5efdde25e7cd97
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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* stable-4.11:
Fix DescribeCommand with multiple match options
Fix git-describe tie-breakers
Change-Id: Ibb98f143ee0ce7635beb30ec404b4134a73788f6
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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when multiple match options are given in git describe the result must
not depend on the order of the match options. JGit wrongly picked the
first match using the match options in the order they were defined. Fix
this by concatenating the streams of matching tags for all match options
and then choosing the first match on the concatenated stream sorted in
tie break order.
See https://git-scm.com/docs/git-describe#git-describe---matchltpatterngt
Change-Id: Id01433d35fa16fb4c30526605bee041ac1d954b2
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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Correct behaviour as git 1.7.1.1 is to resolve tie-breakers to choose
the most recent tag.
https://github.com/git/git/blob/master/Documentation/RelNotes/1.7.1.1.txt:
* "git describe" did not tie-break tags that point at the same commit
correctly; newer ones are preferred by paying attention to the
tagger date now.
Bug: 538610
Change-Id: Ib0b2a301997bb7f75935baf7005473f4de952a64
Signed-off-by: HÃ¥vard Wall <haavardw@gmail.com>
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According to RFC 2616 [1] header field names are case insensitive.
Header fields defined as a comma separated list can have multiple header
fields with the same field name. Add a method to HttpConnection which
retrieves all values with a given header field name with the field name
compared case insensitive.
[1] https://tools.ietf.org/html/rfc2616#section-4.2"
Change-Id: I7f601b21cda99e84f43f866c7c7cb4cb0e3cf5c3
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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This partially reverts commit a551b646: revert the changes in
RawParseUtils.lineMap(). Forcing all blobs containing a NUL byte
as a single line causes blame to produce useless results as soon
as it hits any version containing a NUL byte.
Doing binary detection at this level also has the problem that the
user cannot control it. Not by setting the text attribute nor in any
other way.
This came up in bug 541036, where a Java source inadvertently
contained NUL bytes in strings. Even fixing this by using escapes
"\000" will not fix JGit's blame for this file because the past
versions will still contain the NUL byte.
Native git can blame that file from bug 541036 fine.
Added new tests verifying that blaming a text file containing a NUL
byte produces sensible results.
Bug: 541036
Change-Id: I8991bec88e9827cc096868c6026ea1890b6d0d32
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Change-Id: Ifece38132e0390931d33b5678bbbd4a43f9099da
Signed-off-by: Gunnar Wagenknecht <gunnar@wagenknecht.org>
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Add a new ssh client implementation based on Apach MINA sshd 2.0.0.
This implementation uses JGit's own config file parser and host entry
resolver. Code inspection of the Apache MINA implementation revealed
a few bugs or idiosyncrasies that immediately would re-introduce bugs
already fixed in the past in JGit.
Apache MINA sshd is not without quirks either, and I had to configure
and override more than I had expected. But at least it was all doable
in clean ways.
Apache MINA boasts support for Bouncy Castle, so in theory this should
open the way to using more ssh key algorithms, such as ed25519.
The implementation is in a separate bundle and is still not used in
the core org.eclipse.jgit bundle. The tests re-use the ssh tests from
the core test bundle.
Bug: 520927
Change-Id: Ib35e73c35799140fe050d1ff4fb18d0d3596580e
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Add support for git-receive-pack to the ssh git server and add two
new tests for pushing.
This actually uncovered an undocumented requirement in TransportSftp:
the FTP rename operation assumes POSIX semantics, i.e., that the
target is removed. This works as written only for servers that
support and advertise the "posix-rename@openssh.com" FTP extension.
Our little Apache MINA server does not advertise this extension.
Fix the FtpChannel implementation for Jsch to handle this case in a
meaningful way so that it can pass the new "push over sftp" test.
Add more tests to test the behavior of server host key checking.
Also refactor the tests generally to separate better the test
framework from the actual tests.
Bug: 520927
Change-Id: Ia4bb85e17ddacde7b36ee8c2d5d454bbfa66dfc3
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Suppose that a repository has the following commit graph:
B C
\ /
A
and it was cloned with --shallow-exclude=A. DepthGenerator does not mark
C as shallow, causing an invalid repository to be produced on the
client, because A is not sent. (A similar issue occurs when
--shallow-since is used to exclude A but neither B nor C.)
This happens whenever an excluded commit has more than one child that is
to be sent to the client. Fix DepthGenerator to handle this case
correctly.
While we're editing DepthWalk.Commit, fix the documentation of
DepthWalk.Commit#isBoundary.
Change-Id: I7068abf0fe0c864d1b0e56e1616dad1aa8719411
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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Change-Id: Id5ba87b24e8a29157d49e9e5b151d65bdbcab37a
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
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Move the bulk of the basic parsing and host entry handling into a
new class OpenSshConfigFile that has no dependencies on any concrete
ssh implementation. Make the existing OpenSshConfig use the new
parser.
Introduce a new class SshConstants collecting all the various ssh-
related string literals. Also use TreeMaps with a case-insensitive
key comparator instead of converting keys to uppercase. Add a test
to verify that keys are matched case-insensitively.
Most of the parsing code was simply moved, except that the new
parser supports looking up entries given host name, port, and user
name, and can thus handle more %-substitutions correctly. This
feature is not yet used and cannot be used with JSch since JSch
only has a ConfigRepository.getConfig(String) interface.
The split is still worth the trouble as it opens the way to using
another ssh client altogether. Apache MINA sshd, for instance,
resolves host entries giving host name, port, and user name.
(Apache MINA has a built-in ssh config handling, but that has
problems, too: its pattern matching is case-insensitive, and its
merging of host entries if several match is not the same as in
OpenSsh. But with this refactoring, it will be possible to plug in
OpenSshConfigFile into an Apache MINA sshd client without dragging
along JSch.)
One test case that doesn't make sense anymore has been removed. It
tested that repeatedly querying for a host entry returned the same
object. That is no longer true since the caching has been moved to
a deeper level.
Bug: 520927
Change-Id: I6381d52b29099595e6eaf8b05c786aeeaefbf9cc
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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Add a simple ssh git server based on Apache MINA sshd, and use it
in new tests that verify ssh operations and in particular a number
of bugs that had cropped up over time in JSch.
The git server supports fetching only, and sftp access.
The tests are all in an abstract base class; the concrete JschSshTest
class only provides ssh-specific test setup. So the same tests could
be run easily also with some other ssh client.
Bug: 520927
Change-Id: Ide6687b717fb497a29fc83f22b07390a26dfce1d
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
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* changes:
Add test for protocol v0 parser
ObjectIdMatcher: Custom matcher for sets of ObjectIds
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ProtocolV2Parser has unit tests but protocol v0/v1 is not covered.
Change-Id: I96022e8f8eb60d4da748d1042474fd1efd67e882
Signed-off-by: Ivan Frade <ifrade@google.com>
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Parsed requests represent object ids (SHA1) in ObjectId instances but tests
use strings for those ids because they are easier to define.
Create a custom matcher that hides the conversion from string to
ObjectId. Note that this reverses the existing code conversion (it was
transforming ObjectIds into string).
This produces more readable code, consistent with the other hamcrest
assertions.
Change-Id: I47ba1d25557d791fe74fb93c740ff7de9923cc00
Signed-off-by: Ivan Frade <ifrade@google.com>
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The copyfile entry in the manifest file copies the contents of the file
but doesn't keep the executable flag. This is inconsistent with repo
tool behaviour, plus is natural to expect that the copy of a executable
file is executable.
Transfer the executable bit when copying the file, aligning the
RepoCommand with repo tool and user expectations.
Change-Id: I01b24f482d5939e01d496f032388b3a5c02a912a
Signed-off-by: Ivan Frade <ifrade@google.com>
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The RepoCommand.RemoteReader interface doesn't offer access to the mode
of a file. Caller can only default to mark the copied objects as regular
files, losing e.g. the executable bit (if set).
Add a new method readFileWithMode that returns the contents and mode of
the remote file. It supersedes the readFile method, that is marked as
deprecated.
Now callers can set correctly the file mode of the copied file.
Change-Id: I8fce01e4bc5707434c0cbc4aebbae1b6b64756f0
Signed-off-by: Ivan Frade <ifrade@google.com>
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Many tests verify the contents of files in a try-with-resources
incantation that clutters the code.
Extract that verification to an "assertContents" method, that is easier
to read.
Change-Id: If430eac6f5b9ae352e42b2d43867ceb6cd618fbb
Signed-off-by: Ivan Frade <ifrade@google.com>
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Patterns should treat \r in file names as normal characters
Change-Id: Ica3e0fa4a58acf5326db46bb28571fe5f20f6cd2
Signed-off-by: Marc Strapetz <marc.strapetz@syntevo.com>
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This allows clients to use the --shallow-exclude parameter (producing a
"deepen-not <ref>" line when communicating with the server) in their fetch
commands when fetching against a JGit server using protocol v2.
Note that the implementation in this commit is somewhat inefficient, as
described in the TODO comment in DepthGenerator.
Change-Id: I9fad3ed9276b624d8f668356ffd99a067dc67ef7
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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|/ / / / / /
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In C Git, when a client fetches with "git fetch --shallow-since=<date>
origin <ref>", and all commits reachable from <ref> are older than
<date>, the server dies with a message "no commits selected for shallow
requests". That is, (1) the --shallow-since filter applies to the commit
pointed to by the ref itself, and (2) there is a check that at least one
commit is not filtered out. (The pack-protocol.txt documentation does
not describe this, but the C implementation does this.)
The implementation in commit 1bb430dc21 ("UploadPack: support
deepen-since in protocol v2", 2018-09-27) does neither (1) nor (2), so
do both of these.
Change-Id: I9946327a71627626ecce34ca2d017d2add8867fc
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
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