Merge branch 'stable-5.2' into stable-5.3

* stable-5.2:
  Run JMH benchmarks using bazel
  Benchmark for creating files and FileSnapshots
  Implement benchmark for looking up FileStore of a given Path
  JMH benchmark for SimpleLruCache
  Update API problem filters
  Remove unused API problem filters
  Silence API errors for new API added since 5.1.0

Change-Id: I00615958ab6fbdff601e87a9792aba5606cda12a
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

WORKSPACE

@@ -22,6 +22,36 @@ load(
     "maven_jar",
 )
 
+JMH_VERS = "1.21"
+
+maven_jar(
+    name = "jmh-core",
+    artifact = "org.openjdk.jmh:jmh-core:" + JMH_VERS,
+    attach_source = False,
+    sha1 = "442447101f63074c61063858033fbfde8a076873",
+)
+
+maven_jar(
+    name = "jmh-annotations",
+    artifact = "org.openjdk.jmh:jmh-generator-annprocess:" + JMH_VERS,
+    attach_source = False,
+    sha1 = "7aac374614a8a76cad16b91f1a4419d31a7dcda3",
+)
+
+maven_jar(
+    name = "jopt",
+    artifact = "net.sf.jopt-simple:jopt-simple:5.0.4",
+    attach_source = False,
+    sha1 = "4fdac2fbe92dfad86aa6e9301736f6b4342a3f5c",
+)
+
+maven_jar(
+    name = "math3",
+    artifact = "org.apache.commons:commons-math3:3.6.1",
+    attach_source = False,
+    sha1 = "e4ba98f1d4b3c80ec46392f25e094a6a2e58fcbf",
+)
+
 maven_jar(
     name = "eddsa",
     artifact = "net.i2p.crypto:eddsa:0.3.0",

lib/jmh/BUILD

@@ -0,0 +1,12 @@
+load("@rules_java//java:defs.bzl", "java_library")
+
+java_library(
+    name = "jmh",
+    visibility = ["//visibility:public"],
+    exports = [
+        "@jmh-annotations//jar",
+        "@jmh-core//jar",
+        "@jopt//jar",
+        "@math3//jar",
+    ],
+)

org.eclipse.jgit.benchmarks/.classpath

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry 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-1.8">
+		<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"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

org.eclipse.jgit.benchmarks/.gitignore

@@ -0,0 +1,2 @@
+/target/
+/.apt_generated/

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>

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

org.eclipse.jgit.benchmarks/.settings/org.eclipse.core.runtime.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+line.separator=\n

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

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=12
+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

org.eclipse.jgit.benchmarks/.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

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

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

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

org.eclipse.jgit.benchmarks/.settings/org.eclipse.pde.core.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+resolve.requirebundle=false

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

org.eclipse.jgit.benchmarks/BUILD

@@ -0,0 +1,13 @@
+load("//tools:bzl/jmh.bzl", "jmh_java_benchmarks")
+
+SRCS = glob(
+    ["src/**/*.java"],
+)
+
+jmh_java_benchmarks(
+    name = "benchmarks",
+    srcs = SRCS,
+    deps = [
+        "//org.eclipse.jgit:jgit",
+    ],
+)