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-rw-r--r--org.eclipse.jgit.benchmarks/.classpath25
-rw-r--r--org.eclipse.jgit.benchmarks/.gitignore2
-rw-r--r--org.eclipse.jgit.benchmarks/.project23
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/edu.umd.cs.findbugs.core.prefs145
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.resources.prefs3
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.runtime.prefs2
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.apt.core.prefs5
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs524
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.ui.prefs66
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.m2e.core.prefs4
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.tasks.ui.prefs3
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.team.ui.prefs2
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.api.tools.prefs104
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.core.prefs2
-rw-r--r--org.eclipse.jgit.benchmarks/.settings/org.jboss.tools.maven.apt.prefs3
-rw-r--r--org.eclipse.jgit.benchmarks/BUILD18
-rw-r--r--org.eclipse.jgit.benchmarks/findBugs/FindBugsExcludeFilter.xml8
-rw-r--r--org.eclipse.jgit.benchmarks/pom.xml250
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java75
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java134
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/GetRefsBenchmark.java200
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java61
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/RawTextBenchmark.java454
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java99
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java77
-rw-r--r--org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/revwalk/DateRevQueueBenchmark.java137
26 files changed, 2426 insertions, 0 deletions
diff --git a/org.eclipse.jgit.benchmarks/.classpath b/org.eclipse.jgit.benchmarks/.classpath
new file mode 100644
index 0000000000..51158bf533
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.classpath
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry including="**/*.java" kind="src" output="target/classes" path="src">
+ <attributes>
+ <attribute name="optional" value="true"/>
+ <attribute name="maven.pomderived" value="true"/>
+ </attributes>
+ </classpathentry>
+ <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+ <attributes>
+ <attribute name="maven.pomderived" value="true"/>
+ </attributes>
+ </classpathentry>
+ <classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+ <attributes>
+ <attribute name="maven.pomderived" value="true"/>
+ </attributes>
+ </classpathentry>
+ <classpathentry kind="src" path=".apt_generated">
+ <attributes>
+ <attribute name="optional" value="true"/>
+ </attributes>
+ </classpathentry>
+ <classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/org.eclipse.jgit.benchmarks/.gitignore b/org.eclipse.jgit.benchmarks/.gitignore
new file mode 100644
index 0000000000..4972e7d795
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.gitignore
@@ -0,0 +1,2 @@
+/target/
+/.apt_generated/
diff --git a/org.eclipse.jgit.benchmarks/.project b/org.eclipse.jgit.benchmarks/.project
new file mode 100644
index 0000000000..59be0016d3
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>org.eclipse.jgit.benchmarks</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.jdt.core.javabuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.m2e.core.maven2Builder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>org.eclipse.jdt.core.javanature</nature>
+ <nature>org.eclipse.m2e.core.maven2Nature</nature>
+ </natures>
+</projectDescription>
diff --git a/org.eclipse.jgit.benchmarks/.settings/edu.umd.cs.findbugs.core.prefs b/org.eclipse.jgit.benchmarks/.settings/edu.umd.cs.findbugs.core.prefs
new file mode 100644
index 0000000000..1c0a3448ae
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/edu.umd.cs.findbugs.core.prefs
@@ -0,0 +1,145 @@
+#SpotBugs User Preferences
+#Fri Dec 04 10:39:51 CET 2020
+detectorExplicitSerialization=ExplicitSerialization|true
+detectorMultithreadedInstanceAccess=MultithreadedInstanceAccess|true
+detectorConfusionBetweenInheritedAndOuterMethod=ConfusionBetweenInheritedAndOuterMethod|true
+detectorWrongMapIterator=WrongMapIterator|true
+detectorUnnecessaryMath=UnnecessaryMath|true
+detectorUselessSubclassMethod=UselessSubclassMethod|false
+filter_settings=Medium|BAD_PRACTICE,CORRECTNESS,EXPERIMENTAL,I18N,MALICIOUS_CODE,MT_CORRECTNESS,PERFORMANCE,SECURITY,STYLE|false|15
+detectorURLProblems=URLProblems|true
+detectorIteratorIdioms=IteratorIdioms|true
+detectorMutableEnum=MutableEnum|true
+detectorFindNonShortCircuit=FindNonShortCircuit|true
+detectorSynchronizeAndNullCheckField=SynchronizeAndNullCheckField|true
+detectorVolatileUsage=VolatileUsage|true
+detectorFindNakedNotify=FindNakedNotify|true
+detectorFindUninitializedGet=FindUninitializedGet|true
+detectorFindUseOfNonSerializableValue=FindUseOfNonSerializableValue|true
+detectorFindJSR166LockMonitorenter=FindJSR166LockMonitorenter|true
+detectorQuestionableBooleanAssignment=QuestionableBooleanAssignment|true
+detectorSwitchFallthrough=SwitchFallthrough|true
+detectorFindLocalSelfAssignment2=FindLocalSelfAssignment2|true
+detectorConfusedInheritance=ConfusedInheritance|true
+detectorSynchronizationOnSharedBuiltinConstant=SynchronizationOnSharedBuiltinConstant|true
+detectorMutableStaticFields=MutableStaticFields|true
+detectorInvalidJUnitTest=InvalidJUnitTest|true
+detectorInfiniteLoop=InfiniteLoop|true
+detectorFindRunInvocations=FindRunInvocations|true
+detectorBadSyntaxForRegularExpression=BadSyntaxForRegularExpression|true
+detectorXMLFactoryBypass=XMLFactoryBypass|true
+detectorFindOpenStream=FindOpenStream|true
+detectorCheckExpectedWarnings=CheckExpectedWarnings|false
+detectorHugeSharedStringConstants=HugeSharedStringConstants|true
+detectorLostLoggerDueToWeakReference=LostLoggerDueToWeakReference|true
+detectorStringConcatenation=StringConcatenation|true
+detectorLoadOfKnownNullValue=LoadOfKnownNullValue|true
+detectorFinalizerNullsFields=FinalizerNullsFields|true
+detectorFindFieldSelfAssignment=FindFieldSelfAssignment|true
+detectorInefficientToArray=InefficientToArray|false
+detectorDontCatchIllegalMonitorStateException=DontCatchIllegalMonitorStateException|true
+detectorInconsistentAnnotations=InconsistentAnnotations|true
+detectorBadlyOverriddenAdapter=BadlyOverriddenAdapter|true
+detectorInstantiateStaticClass=InstantiateStaticClass|true
+detectorCheckRelaxingNullnessAnnotation=CheckRelaxingNullnessAnnotation|true
+detectorMethodReturnCheck=MethodReturnCheck|true
+detectorEqualsOperandShouldHaveClassCompatibleWithThis=EqualsOperandShouldHaveClassCompatibleWithThis|true
+detectorFindDoubleCheck=FindDoubleCheck|true
+detectorFindBadForLoop=FindBadForLoop|true
+detectorDefaultEncodingDetector=DefaultEncodingDetector|true
+detectorFindInconsistentSync2=FindInconsistentSync2|true
+detectorFindSpinLoop=FindSpinLoop|true
+detectorFindMaskedFields=FindMaskedFields|true
+detectorBooleanReturnNull=BooleanReturnNull|true
+detectorFindUnsyncGet=FindUnsyncGet|true
+detectorCrossSiteScripting=CrossSiteScripting|true
+detectorDroppedException=DroppedException|true
+detectorFindDeadLocalStores=FindDeadLocalStores|true
+detectorCheckImmutableAnnotation=CheckImmutableAnnotation|true
+detectorInfiniteRecursiveLoop=InfiniteRecursiveLoop|true
+detectorFindRefComparison=FindRefComparison|true
+detectorFindRoughConstants=FindRoughConstants|true
+detectorMutableLock=MutableLock|true
+detectorFindNullDeref=FindNullDeref|true
+detectorFindReturnRef=FindReturnRef|true
+detectorSynchronizeOnClassLiteralNotGetClass=SynchronizeOnClassLiteralNotGetClass|true
+detectorFindUselessControlFlow=FindUselessControlFlow|true
+detectorOverridingEqualsNotSymmetrical=OverridingEqualsNotSymmetrical|true
+detectorIDivResultCastToDouble=IDivResultCastToDouble|true
+detectorReadOfInstanceFieldInMethodInvokedByConstructorInSuperclass=ReadOfInstanceFieldInMethodInvokedByConstructorInSuperclass|true
+detectorFindSelfComparison=FindSelfComparison|true
+detectorFindFloatEquality=FindFloatEquality|true
+detectorFindComparatorProblems=FindComparatorProblems|true
+detectorRepeatedConditionals=RepeatedConditionals|true
+filter_settings_neg=NOISE|
+detectorInefficientMemberAccess=InefficientMemberAccess|false
+detectorFindUncalledPrivateMethods=FindUncalledPrivateMethods|true
+detectorNumberConstructor=NumberConstructor|true
+detectorDontAssertInstanceofInTests=DontAssertInstanceofInTests|true
+detectorFindFinalizeInvocations=FindFinalizeInvocations|true
+detectorFindNullDerefsInvolvingNonShortCircuitEvaluation=FindNullDerefsInvolvingNonShortCircuitEvaluation|true
+detectorDontIgnoreResultOfPutIfAbsent=DontIgnoreResultOfPutIfAbsent|true
+detectorFindUnconditionalWait=FindUnconditionalWait|true
+detectorFindTwoLockWait=FindTwoLockWait|true
+detectorFindSleepWithLockHeld=FindSleepWithLockHeld|true
+detectorFindUnreleasedLock=FindUnreleasedLock|true
+detectorInefficientIndexOf=InefficientIndexOf|false
+detectorDoInsideDoPrivileged=DoInsideDoPrivileged|true
+detectorFindEmptySynchronizedBlock=FindEmptySynchronizedBlock|true
+detectorOverridingMethodsMustInvokeSuperDetector=OverridingMethodsMustInvokeSuperDetector|true
+detectorWaitInLoop=WaitInLoop|true
+detectorIntCast2LongAsInstant=IntCast2LongAsInstant|true
+detectorBadUseOfReturnValue=BadUseOfReturnValue|true
+detectorFindSqlInjection=FindSqlInjection|true
+detectorUnreadFields=UnreadFields|true
+detectorSynchronizingOnContentsOfFieldToProtectField=SynchronizingOnContentsOfFieldToProtectField|true
+detectorFindUselessObjects=FindUselessObjects|true
+detectorBadAppletConstructor=BadAppletConstructor|false
+detectorInheritanceUnsafeGetResource=InheritanceUnsafeGetResource|true
+detectorSerializableIdiom=SerializableIdiom|true
+detectorNaming=Naming|true
+detectorNoteUnconditionalParamDerefs=NoteUnconditionalParamDerefs|true
+detectorFormatStringChecker=FormatStringChecker|true
+detectorSuspiciousThreadInterrupted=SuspiciousThreadInterrupted|true
+detectorEmptyZipFileEntry=EmptyZipFileEntry|false
+detectorFindCircularDependencies=FindCircularDependencies|false
+detectorPreferZeroLengthArrays=PreferZeroLengthArrays|true
+detectorAtomicityProblem=AtomicityProblem|true
+detectorRuntimeExceptionCapture=RuntimeExceptionCapture|true
+detectorInitializationChain=InitializationChain|true
+detectorInitializeNonnullFieldsInConstructor=InitializeNonnullFieldsInConstructor|true
+detectorOptionalReturnNull=OptionalReturnNull|true
+detectorStartInConstructor=StartInConstructor|true
+detectorFindUnsatisfiedObligation=FindUnsatisfiedObligation|true
+detectorRedundantConditions=RedundantConditions|true
+effort=default
+detectorRedundantInterfaces=RedundantInterfaces|true
+detectorDuplicateBranches=DuplicateBranches|true
+detectorCheckTypeQualifiers=CheckTypeQualifiers|true
+detectorComparatorIdiom=ComparatorIdiom|true
+detectorFindBadCast2=FindBadCast2|true
+detectorFindMismatchedWaitOrNotify=FindMismatchedWaitOrNotify|true
+excludefilter0=findBugs/FindBugsExcludeFilter.xml|true
+detectorBadResultSetAccess=BadResultSetAccess|true
+detectorIncompatMask=IncompatMask|true
+detectorCovariantArrayAssignment=CovariantArrayAssignment|false
+detectorDumbMethodInvocations=DumbMethodInvocations|true
+run_at_full_build=false
+detectorStaticCalendarDetector=StaticCalendarDetector|true
+detectorUncallableMethodOfAnonymousClass=UncallableMethodOfAnonymousClass|true
+detectorVarArgsProblems=VarArgsProblems|true
+detectorInefficientInitializationInsideLoop=InefficientInitializationInsideLoop|false
+detectorCloneIdiom=CloneIdiom|true
+detectorFindHEmismatch=FindHEmismatch|true
+detectorAppendingToAnObjectOutputStream=AppendingToAnObjectOutputStream|true
+detectorFindSelfComparison2=FindSelfComparison2|true
+detectorLazyInit=LazyInit|true
+detectorFindUnrelatedTypesInGenericContainer=FindUnrelatedTypesInGenericContainer|true
+detectorDontUseEnum=DontUseEnum|true
+detectorFindPuzzlers=FindPuzzlers|true
+detectorCallToUnsupportedMethod=CallToUnsupportedMethod|false
+detectorSuperfluousInstanceOf=SuperfluousInstanceOf|true
+detectorReadReturnShouldBeChecked=ReadReturnShouldBeChecked|true
+detector_threshold=2
+detectorPublicSemaphores=PublicSemaphores|false
+detectorDumbMethods=DumbMethods|true
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.resources.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000000..7a53139284
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
+encoding/src=UTF-8
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.runtime.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.runtime.prefs
new file mode 100644
index 0000000000..5a0ad22d2a
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.runtime.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+line.separator=\n
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.apt.core.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.apt.core.prefs
new file mode 100644
index 0000000000..66f6a56a10
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.apt.core.prefs
@@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.apt.aptEnabled=true
+org.eclipse.jdt.apt.genSrcDir=.apt_generated
+org.eclipse.jdt.apt.genTestSrcDir=target/generated-test-sources/test-annotations
+org.eclipse.jdt.apt.reconcileEnabled=true
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000000..1fe550b269
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,524 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations=disabled
+org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore
+org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull
+org.eclipse.jdt.core.compiler.annotation.nonnull.secondary=
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=org.eclipse.jdt.annotation.NonNullByDefault
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault.secondary=
+org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nullable
+org.eclipse.jdt.core.compiler.annotation.nullable.secondary=
+org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.doc.comment.support=enabled
+org.eclipse.jdt.core.compiler.problem.APILeak=warning
+org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.autoboxing=warning
+org.eclipse.jdt.core.compiler.problem.comparingIdentical=error
+org.eclipse.jdt.core.compiler.problem.deadCode=error
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=warning
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=warning
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=disabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=error
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=error
+org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=enabled
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=warning
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=warning
+org.eclipse.jdt.core.compiler.problem.invalidJavadoc=warning
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTags=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsDeprecatedRef=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsNotVisibleRef=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsVisibility=private
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=error
+org.eclipse.jdt.core.compiler.problem.missingDefaultCase=ignore
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=ignore
+org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault=disabled
+org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=error
+org.eclipse.jdt.core.compiler.problem.missingJavadocComments=ignore
+org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility=protected
+org.eclipse.jdt.core.compiler.problem.missingJavadocTagDescription=return_tag
+org.eclipse.jdt.core.compiler.problem.missingJavadocTags=warning
+org.eclipse.jdt.core.compiler.problem.missingJavadocTagsMethodTypeParameters=disabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocTagsOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocTagsVisibility=private
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
+org.eclipse.jdt.core.compiler.problem.nonnullParameterAnnotationDropped=warning
+org.eclipse.jdt.core.compiler.problem.nonnullTypeVariableFromLegacyInvocation=warning
+org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
+org.eclipse.jdt.core.compiler.problem.nullReference=error
+org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.nullUncheckedConversion=warning
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.pessimisticNullAnalysisForFreeTypeVariables=warning
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=warning
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=ignore
+org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=warning
+org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=warning
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=error
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
+org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntacticNullAnalysisForFields=disabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.terminalDeprecation=warning
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=enabled
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=warning
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unlikelyCollectionMethodArgumentType=warning
+org.eclipse.jdt.core.compiler.problem.unlikelyCollectionMethodArgumentTypeStrict=disabled
+org.eclipse.jdt.core.compiler.problem.unlikelyEqualsArgumentType=info
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=error
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unstableAutoModuleName=warning
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=error
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedImport=warning
+org.eclipse.jdt.core.compiler.problem.unusedLabel=error
+org.eclipse.jdt.core.compiler.problem.unusedLocal=error
+org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameter=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=error
+org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
+org.eclipse.jdt.core.compiler.processAnnotations=enabled
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.formatter.align_assignment_statements_on_columns=false
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+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_annotation_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_anonymous_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_array_initializer=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_block=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_constructor_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_constant=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_method_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_record_constructor=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_record_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_if=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_parenthesized_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_record_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_try=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_while=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_throw=insert
+org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_relational_operator=insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_try_resources=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_shift_operator=insert
+org.eclipse.jdt.core.formatter.insert_space_before_string_concatenation=insert
+org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.join_lines_in_comments=true
+org.eclipse.jdt.core.formatter.join_wrapped_lines=true
+org.eclipse.jdt.core.formatter.keep_annotation_declaration_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_anonymous_type_declaration_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_code_block_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_enum_constant_declaration_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_enum_declaration_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_if_then_body_block_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_lambda_body_block_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_loop_body_block_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_method_body_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_record_constructor_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_record_declaration_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.keep_simple_do_while_body_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_simple_for_body_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_simple_getter_setter_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_simple_while_body_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_type_declaration_on_one_line=one_line_never
+org.eclipse.jdt.core.formatter.lineSplit=80
+org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.number_of_blank_lines_after_code_block=0
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_code_block=0
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_end_of_code_block=0
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_end_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_blank_lines_before_code_block=0
+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=1
+org.eclipse.jdt.core.formatter.parentheses_positions_in_annotation=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_catch_clause=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_enum_constant_declaration=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_for_statment=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_if_while_statement=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_lambda_declaration=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_method_delcaration=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_method_invocation=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_record_declaration=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_switch_statement=common_lines
+org.eclipse.jdt.core.formatter.parentheses_positions_in_try_clause=common_lines
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true
+org.eclipse.jdt.core.formatter.tabulation.char=tab
+org.eclipse.jdt.core.formatter.tabulation.size=4
+org.eclipse.jdt.core.formatter.text_block_indentation=0
+org.eclipse.jdt.core.formatter.use_on_off_tags=true
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
+org.eclipse.jdt.core.formatter.wrap_before_additive_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_assertion_message_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_assignment_operator=false
+org.eclipse.jdt.core.formatter.wrap_before_bitwise_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_conditional_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_logical_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_multiplicative_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true
+org.eclipse.jdt.core.formatter.wrap_before_relational_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_shift_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_string_concatenation=true
+org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.ui.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000000..5cfb8b6ac6
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,66 @@
+eclipse.preferences.version=1
+editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
+formatter_profile=_JGit Format
+formatter_settings_version=21
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=java;javax;org;com;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8"?><templates/>
+sp_cleanup.add_default_serial_version_id=true
+sp_cleanup.add_generated_serial_version_id=false
+sp_cleanup.add_missing_annotations=true
+sp_cleanup.add_missing_deprecated_annotations=true
+sp_cleanup.add_missing_methods=false
+sp_cleanup.add_missing_nls_tags=false
+sp_cleanup.add_missing_override_annotations=true
+sp_cleanup.add_missing_override_annotations_interface_methods=true
+sp_cleanup.add_serial_version_id=false
+sp_cleanup.always_use_blocks=true
+sp_cleanup.always_use_parentheses_in_expressions=false
+sp_cleanup.always_use_this_for_non_static_field_access=false
+sp_cleanup.always_use_this_for_non_static_method_access=false
+sp_cleanup.convert_functional_interfaces=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.correct_indentation=false
+sp_cleanup.format_source_code=true
+sp_cleanup.format_source_code_changes_only=true
+sp_cleanup.insert_inferred_type_arguments=false
+sp_cleanup.make_local_variable_final=false
+sp_cleanup.make_parameters_final=false
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=false
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.organize_imports=false
+sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
+sp_cleanup.remove_private_constructors=true
+sp_cleanup.remove_redundant_type_arguments=true
+sp_cleanup.remove_trailing_whitespaces=true
+sp_cleanup.remove_trailing_whitespaces_all=true
+sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
+sp_cleanup.remove_unnecessary_casts=true
+sp_cleanup.remove_unnecessary_nls_tags=true
+sp_cleanup.remove_unused_imports=false
+sp_cleanup.remove_unused_local_variables=false
+sp_cleanup.remove_unused_private_fields=true
+sp_cleanup.remove_unused_private_members=false
+sp_cleanup.remove_unused_private_methods=true
+sp_cleanup.remove_unused_private_types=true
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.use_anonymous_class_creation=false
+sp_cleanup.use_blocks=false
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_lambda=false
+sp_cleanup.use_parentheses_in_expressions=false
+sp_cleanup.use_this_for_non_static_field_access=false
+sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true
+sp_cleanup.use_this_for_non_static_method_access=false
+sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=true
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.m2e.core.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.m2e.core.prefs
new file mode 100644
index 0000000000..f897a7f1cb
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.m2e.core.prefs
@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.tasks.ui.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.tasks.ui.prefs
new file mode 100644
index 0000000000..3dec4d97c7
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.tasks.ui.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+project.repository.kind=bugzilla
+project.repository.url=https\://bugs.eclipse.org/bugs
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.team.ui.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.team.ui.prefs
new file mode 100644
index 0000000000..ce7a0f0478
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.mylyn.team.ui.prefs
@@ -0,0 +1,2 @@
+commit.comment.template=${task.description} \n\nBug\: ${task.key}
+eclipse.preferences.version=1
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.api.tools.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.api.tools.prefs
new file mode 100644
index 0000000000..c0030ded71
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.api.tools.prefs
@@ -0,0 +1,104 @@
+ANNOTATION_ELEMENT_TYPE_ADDED_FIELD=Error
+ANNOTATION_ELEMENT_TYPE_ADDED_METHOD_WITHOUT_DEFAULT_VALUE=Error
+ANNOTATION_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+ANNOTATION_ELEMENT_TYPE_REMOVED_FIELD=Error
+ANNOTATION_ELEMENT_TYPE_REMOVED_METHOD=Error
+ANNOTATION_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_API_TYPE=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_REEXPORTED_API_TYPE=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_REEXPORTED_TYPE=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_TYPE=Error
+API_USE_SCAN_FIELD_SEVERITY=Error
+API_USE_SCAN_METHOD_SEVERITY=Error
+API_USE_SCAN_TYPE_SEVERITY=Error
+CLASS_ELEMENT_TYPE_ADDED_FIELD=Error
+CLASS_ELEMENT_TYPE_ADDED_METHOD=Error
+CLASS_ELEMENT_TYPE_ADDED_RESTRICTIONS=Error
+CLASS_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+CLASS_ELEMENT_TYPE_CHANGED_CONTRACTED_SUPERINTERFACES_SET=Error
+CLASS_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+CLASS_ELEMENT_TYPE_CHANGED_NON_ABSTRACT_TO_ABSTRACT=Error
+CLASS_ELEMENT_TYPE_CHANGED_NON_FINAL_TO_FINAL=Error
+CLASS_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+CLASS_ELEMENT_TYPE_REMOVED_CONSTRUCTOR=Error
+CLASS_ELEMENT_TYPE_REMOVED_FIELD=Error
+CLASS_ELEMENT_TYPE_REMOVED_METHOD=Error
+CLASS_ELEMENT_TYPE_REMOVED_SUPERCLASS=Error
+CLASS_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+CLASS_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+CONSTRUCTOR_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+CONSTRUCTOR_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+CONSTRUCTOR_ELEMENT_TYPE_CHANGED_VARARGS_TO_ARRAY=Error
+CONSTRUCTOR_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+ENUM_ELEMENT_TYPE_CHANGED_CONTRACTED_SUPERINTERFACES_SET=Error
+ENUM_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+ENUM_ELEMENT_TYPE_REMOVED_ENUM_CONSTANT=Error
+ENUM_ELEMENT_TYPE_REMOVED_FIELD=Error
+ENUM_ELEMENT_TYPE_REMOVED_METHOD=Error
+ENUM_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+FIELD_ELEMENT_TYPE_ADDED_VALUE=Error
+FIELD_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+FIELD_ELEMENT_TYPE_CHANGED_FINAL_TO_NON_FINAL_STATIC_CONSTANT=Error
+FIELD_ELEMENT_TYPE_CHANGED_NON_FINAL_TO_FINAL=Error
+FIELD_ELEMENT_TYPE_CHANGED_NON_STATIC_TO_STATIC=Error
+FIELD_ELEMENT_TYPE_CHANGED_STATIC_TO_NON_STATIC=Error
+FIELD_ELEMENT_TYPE_CHANGED_TYPE=Error
+FIELD_ELEMENT_TYPE_CHANGED_VALUE=Error
+FIELD_ELEMENT_TYPE_REMOVED_TYPE_ARGUMENT=Error
+FIELD_ELEMENT_TYPE_REMOVED_VALUE=Error
+ILLEGAL_EXTEND=Warning
+ILLEGAL_IMPLEMENT=Warning
+ILLEGAL_INSTANTIATE=Warning
+ILLEGAL_OVERRIDE=Warning
+ILLEGAL_REFERENCE=Warning
+INTERFACE_ELEMENT_TYPE_ADDED_DEFAULT_METHOD=Error
+INTERFACE_ELEMENT_TYPE_ADDED_FIELD=Error
+INTERFACE_ELEMENT_TYPE_ADDED_METHOD=Error
+INTERFACE_ELEMENT_TYPE_ADDED_RESTRICTIONS=Error
+INTERFACE_ELEMENT_TYPE_ADDED_SUPER_INTERFACE_WITH_METHODS=Error
+INTERFACE_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+INTERFACE_ELEMENT_TYPE_CHANGED_CONTRACTED_SUPERINTERFACES_SET=Error
+INTERFACE_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_FIELD=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_METHOD=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+INVALID_ANNOTATION=Ignore
+INVALID_JAVADOC_TAG=Ignore
+INVALID_REFERENCE_IN_SYSTEM_LIBRARIES=Error
+LEAK_EXTEND=Warning
+LEAK_FIELD_DECL=Warning
+LEAK_IMPLEMENT=Warning
+LEAK_METHOD_PARAM=Warning
+LEAK_METHOD_RETURN_TYPE=Warning
+METHOD_ELEMENT_TYPE_ADDED_RESTRICTIONS=Error
+METHOD_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+METHOD_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+METHOD_ELEMENT_TYPE_CHANGED_NON_ABSTRACT_TO_ABSTRACT=Error
+METHOD_ELEMENT_TYPE_CHANGED_NON_FINAL_TO_FINAL=Error
+METHOD_ELEMENT_TYPE_CHANGED_NON_STATIC_TO_STATIC=Error
+METHOD_ELEMENT_TYPE_CHANGED_STATIC_TO_NON_STATIC=Error
+METHOD_ELEMENT_TYPE_CHANGED_VARARGS_TO_ARRAY=Error
+METHOD_ELEMENT_TYPE_REMOVED_ANNOTATION_DEFAULT_VALUE=Error
+METHOD_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+MISSING_EE_DESCRIPTIONS=Warning
+TYPE_PARAMETER_ELEMENT_TYPE_ADDED_CLASS_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_ADDED_INTERFACE_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_CHANGED_CLASS_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_CHANGED_INTERFACE_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_REMOVED_CLASS_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_REMOVED_INTERFACE_BOUND=Error
+UNUSED_PROBLEM_FILTERS=Warning
+automatically_removed_unused_problem_filters=false
+changed_execution_env=Error
+eclipse.preferences.version=1
+incompatible_api_component_version=Error
+incompatible_api_component_version_include_major_without_breaking_change=Disabled
+incompatible_api_component_version_include_minor_without_api_change=Disabled
+incompatible_api_component_version_report_major_without_breaking_change=Warning
+incompatible_api_component_version_report_minor_without_api_change=Ignore
+invalid_since_tag_version=Error
+malformed_since_tag=Error
+missing_since_tag=Error
+report_api_breakage_when_major_version_incremented=Disabled
+report_resolution_errors_api_component=Warning
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.core.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.core.prefs
new file mode 100644
index 0000000000..923c37fb8d
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.core.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+resolve.requirebundle=false
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.jboss.tools.maven.apt.prefs b/org.eclipse.jgit.benchmarks/.settings/org.jboss.tools.maven.apt.prefs
new file mode 100644
index 0000000000..a5b4e1352f
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/.settings/org.jboss.tools.maven.apt.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+org.jboss.tools.maven.apt.aptProcessDuringReconcile=true
+org.jboss.tools.maven.apt.mode=jdt_apt
diff --git a/org.eclipse.jgit.benchmarks/BUILD b/org.eclipse.jgit.benchmarks/BUILD
new file mode 100644
index 0000000000..7c311e7994
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/BUILD
@@ -0,0 +1,18 @@
+load("//tools:bzl/jmh.bzl", "jmh_java_benchmarks")
+
+SRCS = glob(
+ ["src/**/*.java"],
+)
+
+jmh_java_benchmarks(
+ name = "benchmarks",
+ srcs = SRCS,
+ testonly = 1,
+ deps = [
+ "//lib:javaewah",
+ "//lib:junit",
+ "//lib:slf4j-api",
+ "//org.eclipse.jgit:jgit",
+ "//org.eclipse.jgit.junit:junit",
+ ],
+)
diff --git a/org.eclipse.jgit.benchmarks/findBugs/FindBugsExcludeFilter.xml b/org.eclipse.jgit.benchmarks/findBugs/FindBugsExcludeFilter.xml
new file mode 100644
index 0000000000..ad63e8f877
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/findBugs/FindBugsExcludeFilter.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<FindBugsFilter>
+ <!-- Silence warnings in classes generated by apt -->
+ <Match>
+ <Package name="org.eclipse.jgit.benchmarks.generated" />
+ <Bug pattern="DLS_DEAD_LOCAL_STORE" />
+ </Match>
+</FindBugsFilter>
diff --git a/org.eclipse.jgit.benchmarks/pom.xml b/org.eclipse.jgit.benchmarks/pom.xml
new file mode 100644
index 0000000000..da20ef4f33
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/pom.xml
@@ -0,0 +1,250 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (C) 2019, Matthias Sohn <matthias.sohn@sap.com> and others
+
+ This program and the accompanying materials are made available under the
+ terms of the Eclipse Distribution License v. 1.0 which is available at
+ http://www.eclipse.org/org/documents/edl-v10.php.
+
+ SPDX-License-Identifier: BSD-3-Clause
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.eclipse.jgit</groupId>
+ <artifactId>org.eclipse.jgit-parent</artifactId>
+ <version>7.4.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>org.eclipse.jgit.benchmarks</artifactId>
+ <packaging>jar</packaging>
+
+ <name>JGit - JMH based benchmarks</name>
+
+ <properties>
+ <java.version>17</java.version>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <jmh.version>1.37</jmh.version>
+ <uberjar.name>benchmarks</uberjar.name>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.openjdk.jmh</groupId>
+ <artifactId>jmh-core</artifactId>
+ <version>${jmh.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.openjdk.jmh</groupId>
+ <artifactId>jmh-generator-annprocess</artifactId>
+ <version>${jmh.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.eclipse.jgit</groupId>
+ <artifactId>org.eclipse.jgit</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.eclipse.jgit</groupId>
+ <artifactId>org.eclipse.jgit.junit</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <sourceDirectory>src/</sourceDirectory>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>enforce-maven</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <configuration>
+ <rules>
+ <requireMavenVersion>
+ <version>3.6.3</version>
+ </requireMavenVersion>
+ </rules>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <encoding>UTF-8</encoding>
+ <release>${java.version}</release>
+ <fork>true</fork>
+ <compilerArgs>
+ <arg>-XDcompilePolicy=simple</arg>
+ <arg>-Xplugin:ErrorProne</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED</arg>
+ <arg>-J--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED</arg>
+ <arg>-J--add-opens=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED</arg>
+ <arg>-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED</arg>
+ </compilerArgs>
+ <annotationProcessorPaths>
+ <path>
+ <groupId>org.openjdk.jmh</groupId>
+ <artifactId>jmh-generator-annprocess</artifactId>
+ <version>${jmh.version}</version>
+ </path>
+ <path>
+ <groupId>com.google.errorprone</groupId>
+ <artifactId>error_prone_core</artifactId>
+ <version>2.9.0</version>
+ </path>
+ </annotationProcessorPaths>
+ <generatedSourcesDirectory>.apt_generated</generatedSourcesDirectory>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-shade-plugin</artifactId>
+ <executions>
+ <execution>
+ <phase>package</phase>
+ <goals>
+ <goal>shade</goal>
+ </goals>
+ <configuration>
+ <finalName>${uberjar.name}</finalName>
+ <transformers>
+ <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+ <mainClass>org.openjdk.jmh.Main</mainClass>
+ </transformer>
+ </transformers>
+ <filters>
+ <filter>
+ <!-- Shading signed JARs will fail without this.
+ http://stackoverflow.com/questions/999489/invalid-signature-file-when-attempting-to-run-a-jar -->
+ <artifact>*:*</artifact>
+ <excludes>
+ <exclude>META-INF/*.SF</exclude>
+ <exclude>META-INF/*.DSA</exclude>
+ <exclude>META-INF/*.RSA</exclude>
+ </excludes>
+ </filter>
+ </filters>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <configuration>
+ <!-- We check javadoc when compiling with ecj (option -Pecj) and configurations
+ set in .settings/org.eclipse.jdt.core.prefs. This allows more fine grained
+ configuration and fails the build on missing javadoc for protected and
+ public but not for private classes, methods and fields. We don't want
+ to check javadoc on tests. We can reconsider to configure this on javadoc
+ when it starts supporting access specifiers so that we can set
+ -Xdoclint:all,-missing/private -->
+ <additionalJOption>-Xdoclint:none</additionalJOption>
+ <encoding>${project.build.sourceEncoding}</encoding>
+ <quiet>true</quiet>
+ <failOnWarnings>false</failOnWarnings>
+ </configuration>
+ <executions>
+ <execution>
+ <goals>
+ <goal>jar</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ <pluginManagement>
+ <plugins>
+ <!--This plugin's configuration is used to store Eclipse m2e settings only.
+ It has no influence on the Maven build itself. -->
+ <plugin>
+ <groupId>org.eclipse.m2e</groupId>
+ <artifactId>lifecycle-mapping</artifactId>
+ <version>1.0.0</version>
+ <configuration>
+ <lifecycleMappingMetadata>
+ <pluginExecutions>
+ <pluginExecution>
+ <pluginExecutionFilter>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-antrun-plugin</artifactId>
+ <versionRange>[1.8,)</versionRange>
+ <goals>
+ <goal>run</goal>
+ </goals>
+ </pluginExecutionFilter>
+ <action>
+ <ignore></ignore>
+ </action>
+ </pluginExecution>
+ </pluginExecutions>
+ </lifecycleMappingMetadata>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-site-plugin</artifactId>
+ <dependencies>
+ <dependency><!-- add support for ssh/scp -->
+ <groupId>org.apache.maven.wagon</groupId>
+ <artifactId>wagon-ssh-external</artifactId>
+ <version>3.5.3</version>
+ </dependency>
+ </dependencies>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-report-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jxr-plugin</artifactId>
+ <version>${maven-jxr-plugin-version}</version>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-project-info-reports-plugin</artifactId>
+ <version>${maven-project-info-reports-plugin-version}</version>
+ </plugin>
+ </plugins>
+ </pluginManagement>
+ </build>
+ <distributionManagement>
+ <repository>
+ <id>repo.eclipse.org</id>
+ <name>JGit Maven Repository - Releases</name>
+ <url>https://repo.eclipse.org/content/repositories/jgit-releases/</url>
+ </repository>
+ <snapshotRepository>
+ <id>repo.eclipse.org</id>
+ <name>JGit Maven Repository - Snapshots</name>
+ <url>https://repo.eclipse.org/content/repositories/jgit-snapshots/</url>
+ <uniqueVersion>true</uniqueVersion>
+ </snapshotRepository>
+ <site>
+ <id>jgit.website</id>
+ <name>JGit Website</name>
+ <url>${jgit.website.url}</url>
+ </site>
+ </distributionManagement>
+</project>
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java
new file mode 100644
index 0000000000..913ca5a9e8
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/CreateFileSnapshotBenchmark.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2019, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.internal.storage.file.FileSnapshot;
+import org.eclipse.jgit.util.FileUtils;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class CreateFileSnapshotBenchmark {
+
+ Path path;
+
+ Path testDir;
+
+ @Setup
+ public void setupBenchmark() throws IOException {
+ testDir = Files.createTempDirectory("dir");
+ path = testDir.resolve("toSnapshot");
+ Files.createFile(path);
+ }
+
+ @TearDown
+ public void teardown() throws IOException {
+ FileUtils.delete(testDir.toFile(), FileUtils.RECURSIVE | FileUtils.RETRY);
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 5, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 5, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ public Path testCreateFile() throws IOException {
+ return Files.createTempFile(testDir, "create", "");
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public FileSnapshot testCreateFileSnapshot() {
+ return FileSnapshot.save(path.toFile());
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(CreateFileSnapshotBenchmark.class.getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java
new file mode 100644
index 0000000000..2ec5f1f19a
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/FileMoveBenchmark.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2020, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.util.FileUtils;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class FileMoveBenchmark {
+ int i;
+
+ Path testDir;
+
+ Path targetDir;
+
+ @Setup
+ public void setupBenchmark() throws IOException {
+ testDir = Files.createTempDirectory("dir");
+ targetDir = testDir.resolve("target");
+ Files.createDirectory(targetDir);
+ }
+
+ @TearDown
+ public void teardown() throws IOException {
+ FileUtils.delete(testDir.toFile(),
+ FileUtils.RECURSIVE | FileUtils.RETRY);
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 5, time = 1000, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 5, time = 5000, timeUnit = TimeUnit.MILLISECONDS)
+ public Path moveFileToExistingDir() throws IOException {
+ i++;
+ Path tmp = testDir.resolve("tmp" + i++);
+ Files.createFile(tmp);
+ Path targetDirectory = targetDir;
+ Path targetFile = targetDirectory.resolve("tmp" + i);
+ try {
+ return Files.move(tmp, targetFile, StandardCopyOption.ATOMIC_MOVE);
+ } catch (NoSuchFileException e) {
+ Files.createDirectory(targetDirectory);
+ return Files.move(tmp, targetFile, StandardCopyOption.ATOMIC_MOVE);
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 5, time = 1000, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 5, time = 5000, timeUnit = TimeUnit.MILLISECONDS)
+ public Path moveFileToExistingDirExists() throws IOException {
+ Path tmp = testDir.resolve("tmp" + i++);
+ Files.createFile(tmp);
+ Path targetDirectory = targetDir;
+ Path targetFile = targetDir.resolve("tmp" + i);
+ if (!targetDirectory.toFile().exists()) {
+ Files.createDirectory(targetDirectory);
+ }
+ return Files.move(tmp, targetFile, StandardCopyOption.ATOMIC_MOVE);
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 5, time = 1000, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 5, time = 5000, timeUnit = TimeUnit.MILLISECONDS)
+ public Path moveFileToMissingDir() throws IOException {
+ i++;
+ Path tmp = testDir.resolve("tmp" + i);
+ Files.createFile(tmp);
+ Path targetDirectory = testDir.resolve("target" + i);
+ Path targetFile = targetDirectory.resolve("tmp" + i);
+ try {
+ return Files.move(tmp, targetFile, StandardCopyOption.ATOMIC_MOVE);
+ } catch (NoSuchFileException e) {
+ Files.createDirectory(targetDirectory);
+ return Files.move(tmp, targetFile, StandardCopyOption.ATOMIC_MOVE);
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 5, time = 1000, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 5, time = 5000, timeUnit = TimeUnit.MILLISECONDS)
+ public Path moveFileToMissingDirExists() throws IOException {
+ i++;
+ Path tmp = testDir.resolve("tmp" + i);
+ Files.createFile(tmp);
+ Path targetDirectory = testDir.resolve("target" + i);
+ Path targetFile = targetDirectory.resolve("tmp" + i);
+ if (!targetDirectory.toFile().exists()) {
+ Files.createDirectory(targetDirectory);
+ }
+ return Files.move(tmp, targetFile, StandardCopyOption.ATOMIC_MOVE);
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(FileMoveBenchmark.class
+ .getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+} \ No newline at end of file
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/GetRefsBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/GetRefsBenchmark.java
new file mode 100644
index 0000000000..44e862e7c8
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/GetRefsBenchmark.java
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2021, Luca Milanesio <luca.milanesio@gmail.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import static org.eclipse.jgit.transport.ReceiveCommand.Type.CREATE;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.eclipse.jgit.internal.storage.file.FileReftableDatabase;
+import org.eclipse.jgit.internal.storage.file.FileRepository;
+import org.eclipse.jgit.lib.BatchRefUpdate;
+import org.eclipse.jgit.lib.ConfigConstants;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.lib.CoreConfig.TrustStat;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.RepositoryCache;
+import org.eclipse.jgit.lib.StoredConfig;
+import org.eclipse.jgit.lib.TextProgressMonitor;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.transport.ReceiveCommand;
+import org.eclipse.jgit.util.FS;
+import org.eclipse.jgit.util.FileUtils;
+import org.junit.Assume;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class GetRefsBenchmark {
+
+ ThreadLocalRandom branchIndex = ThreadLocalRandom.current();
+
+ @State(Scope.Benchmark)
+ public static class BenchmarkState {
+
+ @Param({ "true", "false" })
+ boolean useRefTable;
+
+ @Param({ "true", "false" })
+ boolean autoRefresh;
+
+ @Param({ "100", "1000", "10000", "100000" })
+ int numBranches;
+
+ @Param({ "ALWAYS", "AFTER_OPEN", "NEVER" })
+ TrustStat trustStat;
+
+ List<String> branches = new ArrayList<>(numBranches);
+
+ Path testDir;
+
+ Repository repo;
+
+ @Setup
+ @SuppressWarnings("boxing")
+ public void setupBenchmark() throws IOException, GitAPIException {
+ // if we use RefDirectory skip autoRefresh = false
+ Assume.assumeTrue(useRefTable || autoRefresh);
+
+ String firstBranch = "firstbranch";
+ testDir = Files.createDirectory(Paths.get("testrepos"));
+ String repoName = "branches-" + numBranches + "-trustStat-"
+ + trustStat + "-" + refDatabaseType();
+ Path workDir = testDir.resolve(repoName);
+ Path repoPath = workDir.resolve(".git");
+ Git git = Git.init().setDirectory(workDir.toFile()).call();
+ RevCommit firstCommit = git.commit().setMessage("First commit")
+ .call();
+ git.branchCreate().setName(firstBranch).call();
+
+ StoredConfig cfg = git.getRepository().getConfig();
+ if (useRefTable) {
+ ((FileRepository) git.getRepository()).convertRefStorage(
+ ConfigConstants.CONFIG_REF_STORAGE_REFTABLE, false,
+ false);
+ FileReftableDatabase refdb = (FileReftableDatabase) git
+ .getRepository().getRefDatabase();
+ refdb.setAutoRefresh(autoRefresh);
+ } else {
+ cfg.setEnum(ConfigConstants.CONFIG_CORE_SECTION, null,
+ ConfigConstants.CONFIG_KEY_TRUST_STAT,
+ trustStat);
+ }
+ cfg.setInt(ConfigConstants.CONFIG_RECEIVE_SECTION, null,
+ "maxCommandBytes", Integer.MAX_VALUE);
+ cfg.save();
+
+ repo = RepositoryCache.open(RepositoryCache.FileKey
+ .lenient(repoPath.toFile(), FS.DETECTED));
+
+ System.out.println("Preparing test");
+ System.out.println("- repository: \t\t" + repoPath);
+ System.out.println("- refDatabase: \t\t" + refDatabaseType());
+ System.out.println("- autoRefresh: \t\t" + autoRefresh);
+ System.out.println("- trustStat: \t" + trustStat);
+ System.out.println("- branches: \t\t" + numBranches);
+
+ BatchRefUpdate u = repo.getRefDatabase().newBatchUpdate();
+
+ branches = IntStream.range(0, numBranches)
+ .mapToObj(i -> "branch/" + i % 100 + "/" + i)
+ .collect(Collectors.toList());
+ for (String branch : branches) {
+ u.addCommand(new ReceiveCommand(ObjectId.zeroId(),
+ firstCommit.toObjectId(), Constants.R_HEADS + branch,
+ CREATE));
+ }
+
+ System.out.println();
+ System.out.print(
+ String.format("Creating %d branches ... ", numBranches));
+
+ try (RevWalk rw = new RevWalk(repo)) {
+ u.execute(rw, new TextProgressMonitor());
+ }
+ System.out.println("DONE");
+ }
+
+ private String refDatabaseType() {
+ return useRefTable ? "reftable" : "refdir";
+ }
+
+ @TearDown
+ public void teardown() throws IOException {
+ repo.close();
+ FileUtils.delete(testDir.toFile(),
+ FileUtils.RECURSIVE | FileUtils.RETRY);
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 2, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(2)
+ public void testGetExactRef(Blackhole blackhole, BenchmarkState state)
+ throws IOException {
+ String branchName = state.branches
+ .get(branchIndex.nextInt(state.numBranches));
+ blackhole.consume(state.repo.exactRef(branchName));
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 2, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(2)
+ public void testGetRefsByPrefix(Blackhole blackhole, BenchmarkState state)
+ throws IOException {
+ String branchPrefix = "refs/heads/branch/" + branchIndex.nextInt(100)
+ + "/";
+ blackhole.consume(
+ state.repo.getRefDatabase().getRefsByPrefix(branchPrefix));
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(GetRefsBenchmark.class.getSimpleName())
+ // .addProfiler(StackProfiler.class)
+ // .addProfiler(GCProfiler.class)
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java
new file mode 100644
index 0000000000..e9c9ef36a0
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/LookupFileStoreBenchmark.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2019, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import java.io.IOException;
+import java.nio.file.FileStore;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.util.FileUtils;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class LookupFileStoreBenchmark {
+
+ Path path;
+
+ @Setup
+ public void setupBenchmark() throws IOException {
+ path = Files.createTempFile("test", "x");
+ }
+
+ @TearDown
+ public void teardown() throws IOException {
+ FileUtils.delete(path.toFile(), FileUtils.RETRY);
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public FileStore testLookupFileStore() throws IOException {
+ FileStore fs = Files.getFileStore(path);
+ return fs;
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(LookupFileStoreBenchmark.class.getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/RawTextBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/RawTextBenchmark.java
new file mode 100644
index 0000000000..19297ebebb
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/RawTextBenchmark.java
@@ -0,0 +1,454 @@
+/*
+ * Copyright (C) 2022, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+import java.util.concurrent.TimeUnit;
+
+import static org.eclipse.jgit.diff.RawText.getBufferSize;
+import static org.eclipse.jgit.diff.RawText.isBinary;
+import static org.eclipse.jgit.diff.RawText.isCrLfText;
+
+@State(Scope.Thread)
+public class RawTextBenchmark {
+
+ @State(Scope.Benchmark)
+ public static class BenchmarkState {
+
+ @Param({"1", "2", "3", "4", "5", "6"})
+ int testIndex;
+
+ @Param({"false", "true"})
+ boolean complete;
+
+ byte[] bytes;
+
+ @Setup
+ public void setupBenchmark() {
+ switch (testIndex) {
+ case 1: {
+ byte[] tmpBytes = "a".repeat(102400).getBytes();
+ bytes = tmpBytes;
+ break;
+ }
+ case 2: {
+ byte[] tmpBytes = "a".repeat(102400).getBytes();
+ byte[] tmpBytes2 = new byte[tmpBytes.length + 1];
+ System.arraycopy(tmpBytes, 0, tmpBytes2, 0, tmpBytes.length);
+ tmpBytes2[500] = '\0';
+ tmpBytes2[tmpBytes.length] = '\0';
+ bytes = tmpBytes2;
+ break;
+ }
+ case 3: {
+ byte[] tmpBytes = "a".repeat(102400).getBytes();
+ byte[] tmpBytes2 = new byte[tmpBytes.length + 1];
+ System.arraycopy(tmpBytes, 0, tmpBytes2, 0, tmpBytes.length);
+ tmpBytes2[500] = '\r';
+ tmpBytes2[tmpBytes.length] = '\r';
+ bytes = tmpBytes2;
+ break;
+ }
+ case 4: {
+ byte[] tmpBytes = "a".repeat(102400).getBytes();
+ byte[] tmpBytes2 = new byte[tmpBytes.length + 1];
+ System.arraycopy(tmpBytes, 0, tmpBytes2, 0, tmpBytes.length);
+ tmpBytes2[499] = '\r';
+ tmpBytes2[500] = '\n';
+ tmpBytes2[tmpBytes.length - 1] = '\r';
+ tmpBytes2[tmpBytes.length] = '\n';
+ bytes = tmpBytes2;
+ break;
+ }
+ case 5: {
+ byte[] tmpBytes = "a".repeat(102400).getBytes();
+ tmpBytes[0] = '\0';
+ bytes = tmpBytes;
+ break;
+ }
+ case 6: {
+ byte[] tmpBytes = "a".repeat(102400).getBytes();
+ tmpBytes[0] = '\r';
+ bytes = tmpBytes;
+ break;
+ }
+ default:
+ }
+ }
+
+ @TearDown
+ public void teardown() {
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsCrLfTextOld(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isCrLfTextOld(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsCrLfTextNewCandidate1(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isCrLfTextNewCandidate1(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsCrLfTextNewCandidate2(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isCrLfTextNewCandidate2(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsCrLfTextNewCandidate3(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isCrLfTextNewCandidate3(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsCrLfTextNew(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isCrLfText(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsBinaryOld(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isBinaryOld(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+
+ @Benchmark
+ @BenchmarkMode({Mode.AverageTime})
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testIsBinaryNew(Blackhole blackhole, BenchmarkState state) {
+ blackhole.consume(
+ isBinary(
+ state.bytes,
+ state.bytes.length,
+ state.complete
+ )
+ );
+ }
+
+
+ /**
+ * Determine heuristically whether a byte array represents binary (as
+ * opposed to text) content.
+ *
+ * @param raw
+ * the raw file content.
+ * @param length
+ * number of bytes in {@code raw} to evaluate. This should be
+ * {@code raw.length} unless {@code raw} was over-allocated by
+ * the caller.
+ * @param complete
+ * whether {@code raw} contains the whole data
+ * @return true if raw is likely to be a binary file, false otherwise
+ * @since 6.0
+ */
+ public static boolean isBinaryOld(byte[] raw, int length, boolean complete) {
+ // Similar heuristic as C Git. Differences:
+ // - limited buffer size; may be only the beginning of a large blob
+ // - no counting of printable vs. non-printable bytes < 0x20 and 0x7F
+ int maxLength = getBufferSize();
+ boolean isComplete = complete;
+ if (length > maxLength) {
+ // We restrict the length in all cases to getBufferSize() to get
+ // predictable behavior. Sometimes we load streams, and sometimes we
+ // have the full data in memory. With streams, we never look at more
+ // than the first getBufferSize() bytes. If we looked at more when
+ // we have the full data, different code paths in JGit might come to
+ // different conclusions.
+ length = maxLength;
+ isComplete = false;
+ }
+ byte last = 'x'; // Just something inconspicuous.
+ for (int ptr = 0; ptr < length; ptr++) {
+ byte curr = raw[ptr];
+ if (isBinary(curr, last)) {
+ return true;
+ }
+ last = curr;
+ }
+ if (isComplete) {
+ // Buffer contains everything...
+ return last == '\r'; // ... so this must be a lone CR
+ }
+ return false;
+ }
+
+ /**
+ * Determine heuristically whether a byte array represents text content
+ * using CR-LF as line separator.
+ *
+ * @param raw the raw file content.
+ * @param length number of bytes in {@code raw} to evaluate.
+ * @param complete whether {@code raw} contains the whole data
+ * @return {@code true} if raw is likely to be CR-LF delimited text,
+ * {@code false} otherwise
+ * @since 6.0
+ */
+ public static boolean isCrLfTextOld(byte[] raw, int length, boolean complete) {
+ boolean has_crlf = false;
+ byte last = 'x'; // Just something inconspicuous
+ for (int ptr = 0; ptr < length; ptr++) {
+ byte curr = raw[ptr];
+ if (isBinary(curr, last)) {
+ return false;
+ }
+ if (curr == '\n' && last == '\r') {
+ has_crlf = true;
+ }
+ last = curr;
+ }
+ if (last == '\r') {
+ if (complete) {
+ // Lone CR: it's binary after all.
+ return false;
+ }
+ // Tough call. If the next byte, which we don't have, would be a
+ // '\n', it'd be a CR-LF text, otherwise it'd be binary. Just decide
+ // based on what we already scanned; it wasn't binary until now.
+ }
+ return has_crlf;
+ }
+
+ /**
+ * Determine heuristically whether a byte array represents text content
+ * using CR-LF as line separator.
+ *
+ * @param raw
+ * the raw file content.
+ * @param length
+ * number of bytes in {@code raw} to evaluate.
+ * @return {@code true} if raw is likely to be CR-LF delimited text,
+ * {@code false} otherwise
+ * @param complete
+ * whether {@code raw} contains the whole data
+ * @since 6.0
+ */
+ public static boolean isCrLfTextNewCandidate1(byte[] raw, int length, boolean complete) {
+ boolean has_crlf = false;
+
+ // first detect empty
+ if (length <= 0) {
+ return false;
+ }
+
+ // next detect '\0'
+ for (int reversePtr = length - 1; reversePtr >= 0; --reversePtr) {
+ if (raw[reversePtr] == '\0') {
+ return false;
+ }
+ }
+
+ // if '\r' be last, then if complete then return non-crlf
+ if (raw[length - 1] == '\r' && complete) {
+ return false;
+ }
+
+ for (int ptr = 0; ptr < length - 1; ptr++) {
+ byte curr = raw[ptr];
+ if (curr == '\r') {
+ byte next = raw[ptr + 1];
+ if (next != '\n') {
+ return false;
+ }
+ // else
+ // we have crlf here
+ has_crlf = true;
+ // as next is '\n', it can never be '\r', just skip it from next check
+ ++ptr;
+ }
+ }
+
+ return has_crlf;
+ }
+
+ /**
+ * Determine heuristically whether a byte array represents text content
+ * using CR-LF as line separator.
+ *
+ * @param raw
+ * the raw file content.
+ * @param length
+ * number of bytes in {@code raw} to evaluate.
+ * @return {@code true} if raw is likely to be CR-LF delimited text,
+ * {@code false} otherwise
+ * @param complete
+ * whether {@code raw} contains the whole data
+ * @since 6.0
+ */
+ public static boolean isCrLfTextNewCandidate2(byte[] raw, int length, boolean complete) {
+ boolean has_crlf = false;
+
+ // first detect empty
+ if (length <= 0) {
+ return false;
+ }
+
+ // if '\r' be last, then if complete then return non-crlf
+ byte last = raw[length - 1];
+ if (last == '\0' || last == '\r' && complete) {
+ return false;
+ }
+
+ for (int ptr = 0; ptr < length - 1; ptr++) {
+ byte b = raw[ptr];
+ switch (b) {
+ case '\0':
+ return false;
+ case '\r': {
+ ++ptr;
+ b = raw[ptr];
+ if (b != '\n') {
+ return false;
+ }
+ // else
+ // we have crlf here
+ has_crlf = true;
+ // as next is '\n', it can never be '\r', just skip it from next check
+ break;
+ }
+ default:
+ // do nothing;
+ break;
+ }
+ }
+
+ return has_crlf;
+ }
+
+ /**
+ * Determine heuristically whether a byte array represents text content
+ * using CR-LF as line separator.
+ *
+ * @param raw
+ * the raw file content.
+ * @param length
+ * number of bytes in {@code raw} to evaluate.
+ * @return {@code true} if raw is likely to be CR-LF delimited text,
+ * {@code false} otherwise
+ * @param complete
+ * whether {@code raw} contains the whole data
+ * @since 6.0
+ */
+ public static boolean isCrLfTextNewCandidate3(byte[] raw, int length, boolean complete) {
+ boolean has_crlf = false;
+
+ int ptr = -1;
+ byte current;
+ while (ptr < length - 2) {
+ current = raw[++ptr];
+ if ('\0' == current || '\r' == current && (raw[++ptr] != '\n' || !(has_crlf = true))) {
+ return false;
+ }
+ }
+
+ if (ptr == length - 2) {
+ // if '\r' be last, then if isComplete then return binary
+ current = raw[++ptr];
+ if('\0' == current || '\r' == current && complete){
+ return false;
+ }
+ }
+
+ return has_crlf;
+ }
+
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(RawTextBenchmark.class.getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java
new file mode 100644
index 0000000000..a2b59339bb
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SHA1Benchmark.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2022, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.junit.MockSystemReader;
+import org.eclipse.jgit.util.SystemReader;
+import org.eclipse.jgit.util.sha1.SHA1;
+import org.eclipse.jgit.util.sha1.SHA1.Sha1Implementation;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class SHA1Benchmark {
+
+ @State(Scope.Benchmark)
+ public static class BenchmarkState {
+
+ @Param({ "1", "2", "4", "8", "16", "32", "64" })
+ int size;
+
+ @Param({ "false", "true" })
+ boolean detectCollision;
+
+ @Param({ "java", "jdkNative" })
+ String impl;
+
+ private SecureRandom rnd;
+
+ byte[] content;
+
+ @Setup
+ public void setupBenchmark() {
+ SystemReader.setInstance(new MockSystemReader());
+ if (impl.equalsIgnoreCase(Sha1Implementation.JDKNATIVE.name())) {
+ System.setProperty("org.eclipse.jgit.util.sha1.implementation",
+ Sha1Implementation.JDKNATIVE.name());
+ }
+ content = new byte[size * 1024];
+ try {
+ rnd = SecureRandom.getInstanceStrong();
+ } catch (NoSuchAlgorithmException e) {
+ // ignore
+ }
+ rnd.nextBytes(content);
+ }
+
+ @TearDown
+ public void teardown() {
+ SystemReader.setInstance(null);
+ rnd = null;
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ @Warmup(iterations = 2, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 2, time = 5, timeUnit = TimeUnit.SECONDS)
+ @Fork(1)
+ public void testSHA1(Blackhole blackhole, BenchmarkState state) {
+ SHA1 hash = SHA1.newInstance();
+ hash.setDetectCollision(state.detectCollision);
+ hash.update(state.content);
+ blackhole.consume(hash.digest());
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(SHA1Benchmark.class.getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java
new file mode 100644
index 0000000000..caefd75d9b
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/benchmarks/SimpleLruCacheBenchmark.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2019, Matthias Sohn <matthias.sohn@sap.com> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.benchmarks;
+
+import java.security.SecureRandom;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.util.SimpleLruCache;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Group;
+import org.openjdk.jmh.annotations.GroupThreads;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Benchmark)
+public class SimpleLruCacheBenchmark {
+
+ SecureRandom rnd = new SecureRandom();
+
+ private volatile SimpleLruCache<String, String> cache = new SimpleLruCache<>(
+ 100, 0.2f);
+
+ private volatile int i;
+
+ @Setup
+ public void setupBenchmark() {
+ i = rnd.nextInt(250);
+ }
+
+ @TearDown
+ public void teardown() {
+ cache = null;
+ }
+
+ @Benchmark
+ @Group("readwrite")
+ @GroupThreads(1)
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public SimpleLruCache<String, String> testCacheWrite() {
+ cache.put("k" + i, "v" + i);
+ return cache;
+ }
+
+ @Benchmark
+ @Group("readwrite")
+ @GroupThreads(1)
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ public SimpleLruCache<String, String> testCacheRead() {
+ cache.get("k" + i);
+ return cache;
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(SimpleLruCacheBenchmark.class.getSimpleName())
+ .forks(1).jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+}
diff --git a/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/revwalk/DateRevQueueBenchmark.java b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/revwalk/DateRevQueueBenchmark.java
new file mode 100644
index 0000000000..71075a8b4c
--- /dev/null
+++ b/org.eclipse.jgit.benchmarks/src/org/eclipse/jgit/revwalk/DateRevQueueBenchmark.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2023, GerritForge Ltd
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.revwalk;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.concurrent.TimeUnit;
+
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.junit.TestRepository;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.util.FileUtils;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class DateRevQueueBenchmark {
+
+ ThreadLocalRandom commitsIndex = ThreadLocalRandom.current();
+
+ @State(Scope.Benchmark)
+ public static class BenchmarkState {
+
+ @Param({ "5", "10", "50", "100", "500", "1000", "5000", "10000",
+ "50000", "100000", "500000" })
+ int numCommits;
+
+ @Param({ "true", "false" })
+ boolean usePriorityQueue;
+
+ int low, count;
+
+ RevCommit[] commits = new RevCommit[numCommits];
+
+ private Path testDir;
+
+ private TestRepository<Repository> repoUtil;
+
+ DateRevQueue queue;
+
+ @Setup
+ public void setupBenchmark() throws Exception {
+ testDir = Files.createTempDirectory("testrepos");
+ String repoName = "commits-" + numCommits + "-usePriorityQueue-"
+ + usePriorityQueue;
+ Path workDir = testDir.resolve(repoName);
+ Git git = Git.init().setDirectory(workDir.toFile()).call();
+ repoUtil = new TestRepository<>(git.getRepository());
+
+ RevCommit parent = repoUtil.commit().create();
+ commits = new RevCommit[numCommits];
+ commits[0] = parent;
+ for (int i = 1; i < numCommits; i++) {
+ parent = repoUtil.parseBody(repoUtil.commit(i, parent));
+ commits[i] = parent;
+ if (i % 10000 == 0) {
+ System.out.println(" " + i + " done");
+ }
+ }
+
+ if (usePriorityQueue) {
+ queue = new DateRevPriorityQueue(false);
+ } else {
+ queue = new DateRevQueue(false);
+ }
+
+ low = 9 * numCommits / 10;
+ ThreadLocalRandom random = ThreadLocalRandom.current();
+ // add 90% * numCommits commits, benchmark adding commits from
+ // 90-100%
+ for (int i = 0; i < low; i++) {
+ RevCommit commit = commits[random.nextInt(numCommits)];
+ queue.add(commit);
+ ++count;
+ }
+ }
+
+ @TearDown(Level.Invocation)
+ public void check() {
+ // if queue is full remove 10% of its entries
+ if (++count == numCommits) {
+ do {
+ queue.next();
+ } while (--count > low);
+ }
+ }
+
+ @TearDown
+ public void teardown() throws IOException {
+ repoUtil.close();
+ FileUtils.delete(testDir.toFile(),
+ FileUtils.RECURSIVE | FileUtils.RETRY);
+ }
+ }
+
+ @Benchmark
+ @BenchmarkMode({ Mode.AverageTime })
+ @OutputTimeUnit(TimeUnit.NANOSECONDS)
+ @Warmup(iterations = 2, time = 100, timeUnit = TimeUnit.MILLISECONDS)
+ @Measurement(iterations = 10, time = 10, timeUnit = TimeUnit.SECONDS)
+ public void testDataRevQueue(BenchmarkState state) throws Exception {
+ RevCommit commit = state.commits[commitsIndex
+ .nextInt(state.numCommits)];
+ state.queue.add(commit);
+ }
+
+ public static void main(String[] args) throws RunnerException {
+ Options opt = new OptionsBuilder()
+ .include(DateRevQueueBenchmark.class.getSimpleName()).forks(1)
+ .jvmArgs("-ea").build();
+ new Runner(opt).run();
+ }
+
+}