Compute how much disk IO a DfsReader is performing, and how long the
sum of those operations took on this reader instance. Implementations
of DFS and interested applications can get the stats by calling the
new DfsReader.getIoStats() method at or after close().
Change-Id: If585741301f29182617933d6406d4a70497f2ca7
The API exception should have the same javadoc like the internal
exception org.eclipse.jgit.errors.TooLargeObjectInPackException
Change-Id: Ia7508c77609e53c8e808412ac523a93194648e49
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Commit db77610 ensured that all refs/tags commits are added to the
primary GC pack. It did that by adding all of the refs/tags commits
to the primary GC pack PackWriter's "interesting" object set.
Unfortunately, all commit objects in the "interesting" set are
selected as commits for which bitmap indices will be built. In a
repository like chromium with lots of tags, this changed the number of
bitmaps created from <700 to >10000. That puts huge memory pressure on
the GC task.
This change restores the original behavior of ignoring tags when
selecting commits for bitmaps.
In the "uninteresting" set, commits for refs/heads and refs/tags for
unannotated tags can not be differentiated. We instead identify
refs/tags commits by passing their ObjectIds as a new "noBitmaps"
parameter to the PackWriter.preparePack() methods.
PackWriterBitmapPreparer.setupTipCommitBitmaps() can then use that
"noBitmaps" parameter to exclude those commits.
Change-Id: Icd287c6b04fc1e48de773033fe432a9b0e904ac5
Signed-off-by: Terry Parker <tparker@google.com>
CloneCommand.call() has three stages: preparation, then the actual
clone (init/fetch), and finally maybe checking out the working
directory.
Restructure such that if we fail or are cancelled during the actual
clone (middle phase), we do clean up the disk again. This prevents
leaving behind a partial clone in an inconsistent state: either we
have a fully successfully built clone, or nothing at all.
Bug: 516303
Change-Id: I9b18c60f8f99816d42a3deb7d4a33a9f22eeb709
Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>
* Adapt to API removals in jetty 9.4+
* Manifests changed to restrict jetty to [9.4.5,10.0.0)
Bug: 514336
Bug: 516514
Change-Id: Ifcfd968084dfa6db0ae07cf541d33a6cdedc1ee2
Signed-off-by: Mat Booth <mat.booth@redhat.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Maven version 3.3.1 is the minimum required version as reported
by running:
mvn versions:display-plugin-updates
Change-Id: I9514013dcffa6cb945496515c3eb4894c9043d7b
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
DirCacheCheckout is generating names for temporary files. It was not checking
the length of this filenames. It may happen that a generated filename is
longer than 255 chars which causes problems on certain platforms. Make sure
that filenames for temporary files do not exceed 255 chars.
Bug: 508823
Change-Id: I9475c04351ce3faebdc6ad40ea4faa3c326815f4
The ObjectWalker in PackWriterBitmapWalker needs to be reset whenever it
starts a new walk. Move this responsibility from the caller to the
method when the new walk starts.
Change-Id: Ib66003be1b5bdc80f46b9bbbb17d45e616714912
Signed-off-by: Zhen Chen <czhen@google.com>
Some repository topologies can cause carryOntoHistory to overflow the
thread stack, due to its strategy of recursing into the 2nd+ parents
of a merge commit. This can easily happen if a project maintains a
local fork, and frequently pulls from the upstream repository, which
itself may have a branchy history.
Rewrite the carryOntoHistory algorithm to use a fixed amount of thread
stack, pushing the save points onto the heap. By using heap space the
thread stack depth is no longer a concern. Repositories are instead
limited by available memory.
The algorithm is now structured as two loops:
carryOntoHistory: This outer loop pops saved commits off the top of
the stack, allowing the inner loop algorithm to dive down that path
and carry bits onto commits along that part of the graph. The loop
ends when there are no more stack elements.
carryOntoHistoryInner: The inner loop walks along a single path of
the graph. For a string of pearls (commits with one parent each)
r <- s <- t <- u
the algorithm walks backwards from u to r by iteratively updating
its local variable 'c'. This avoids heap allocation along a simple
path that does not require remembering state.
The inner loop breaks in the HAVE_ALL case, when all bits have been
found to be previously set on the commit. This occurs when a prior
iteration of the outer loop (carryOntoHistory) explored a different
path to this same commit, and copied the bits onto it.
When the inner loop encounters a merge commit, it pushes all parents
onto the heap based stack by allocating individual CarryStack
elements for each parent. Parents are pushed in order, allowing
side branches to be explored first.
A small optimization is taken for the last parent, avoiding pushing
it and instead updating 'c', allowing the side branch to be entered
without allocating a CarryStack.
Change-Id: Ib7b67d90f141c497fbdc61a31b0caa832e4b3c04
Add the --recurse-submodules option on the command, which causes
submodules to also be initialized and updated.
Add a callback interface on CloneCommand and SubmoduleUpdateCommand to
them to provide progress feedback for clone operations.
Change-Id: I41b1668bc0d0bdfa46a9a89882c9657ea3063fc1
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Delete the condition to check whether the garbage pack creation time
is older than the last GC operation, because it's not possible to
find the last GC operation time when there is no GC pack.
Add additional tests to make sure the contents of the expired garbage
packs are considered during the GC operation and any actively
referenced objects from the garbage packs are copied successfully
into the GC pack before deleting the garbage pack.
Change-Id: I09e8b2656de8ba7f9b996724ad1961d908e937b6
Signed-off-by: Thirumala Reddy Mutchukota <thirumala@google.com>
It is quite common to want to parse a commit without already having a
RevWalk. Provide a shortcut to do so to make it more convenient, and to
ensure that the RevWalk is released afterwards.
Signed-off-by: Martin Fick<mfick@codeaurora.org>
Change-Id: I9528e80063122ac318f115900422a24ae49a920e
Android wants them to work, and we're only interested in them for bare
repos, so add them just for that.
Make sure to use symlinks instead of just using the copyfile
implementation. Some scripts look up where they're actually located in
order to find related files, so they need the link back to their
project.
Change-Id: I929b69b2505f03036f69e25a55daf93842871f30
Signed-off-by: Dan Willemsen <dwillemsen@google.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Jeff Gaston <jeffrygaston@google.com>
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
Because objects described by the client using "have" lines do not need
to be reachable by any ref on the server, it is possible for them to
point to missing objects in the reachability graph. When such an
object is encountered, I1097a2defa4a9dcf502ca8baca5d32880378818f (Only
throw MissingObjectException when necessary, 2017-03-29) aborts the
"have" walk early to salvage the fetch. The downside of that change
is that remaining "have"s are ignored unless they pointed directly to
an object with a bitmap. In the worst case this can increase the
bandwidth cost of a fetch to the cost of a clone because most "have"s
are ignored.
Avoid this cost by bypassing the failed "have" completely and moving
on to the remaining "have"s.
Change-Id: Iac236b6d05f735078c9935abfa6e58d1eb47f388
When looping through alternates, prevent visiting the same object
directory twice. This could happen when the objects/info/alternates file
includes itself directly or indirectly via a another repo and its
alternates file.
Change-Id: I79bb3da099ebc3c262d2e6c61ed4578eb1aa3474
Signed-off-by: James Melvin <jmelvin@codeaurora.org>
Signed-off-by: Martin Fick <mfick@codeaurora.org>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
- japicmp-maven-plugin to 0.8.1
- maven-surefire-plugin to 2.20
- maven-surefire-report-plugin to 2.20
- tycho-extras to 1.0.0
Change-Id: Iecc9a5aeb7811a8ecc8198c8836a4a739be3cc08
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Generating the src list with an unrestricted wildcard causes all
files in the source tree to be included. This results in junk files
such as .orig (generated during merge conflict resolution) to be
included, which causes in a build error:
in srcs attribute of java_library rule //org.eclipse.jgit:jgit:
file '//org.eclipse.jgit:src/org/eclipse/jgit/gitrepo/RepoCommand.java.orig'
is misplaced here (expected .java, .srcjar or .properties).
Modify the globs to only include Java source files.
Change-Id: Iaef3db33ac71d71047cd28acb0378e15cb09ece9
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
This is necessary for deploying submodules on android.googlesource.com.
* Allow an empty base URL. This is useful if the 'fetch' field is "."
and all names are relative to some host root.
* The URLs in the resulting superproject are relative to the
superproject's URL. Add RepoCommand#setDestinationURI to
set this. If unset, the existing behavior is maintained.
* Add two tests for the Android and Gerrit case, checking the URL
format in .gitmodules; the tests use a custom RemoteReader which is
representative of the use of this class in Gerrit's Supermanifest
plugin.
Change-Id: Ia75530226120d75aa0017c5410fd65d0563e91b
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
* stable-4.7:
Cleanup and test trailing slash handling in ManifestParser
ManifestParser: Throw exception if remote does not have fetch attribute
Change-Id: Ia9dc3110bcbdae05175851ce647ffd11c542f4c0
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
This is a workaround for
https://bugs.openjdk.java.net/browse/JDK-4666701.
Change-Id: Idd04657e8d95a841d72230f8881b6b899daadbc2
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
In the repo manifest documentation [1] the fetch attribute is marked
as "#REQUIRED".
If the fetch attribute is not specified, this would previously result in
NullPointerException. Throw a SAXException instead.
[1] https://gerrit.googlesource.com/git-repo/+/master/docs/manifest-format.txt
Change-Id: Ib8ed8cee6074fe6bf8f9ac6fc7a1664a547d2d49
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>
We detect API changes during the Maven build using japicmp. Update the
reference version to the latest minor version 4.7.0.201704051617-r.
Change-Id: Iab354fbf745cdfe44f71ce0bb64bb838b8bcd57d
Silence the many duplicate code warnings for this generated class.
Change-Id: I3ecb0f986c809dad962b821c5de7cf18865642d3
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Zhen Chen
David Pursehouse
Shawn Pearce
Matthias Sohn
Terry Parker
Thomas Wolf
Mat Booth
Christian Halstrick
Mickael Istria
Thirumala Reddy Mutchukota
Martin Fick
Dan Willemsen
Jonathan Nieder
Han-Wen Nienhuys
Dave Borowitz