Initial commit

.clang-format

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+---
+Language:        Cpp
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: true
+AlignConsecutiveDeclarations: true
+AlignEscapedNewlinesLeft: true
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: true
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     120
+CommentPragmas:  '^ IWYU pragma:'
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IncludeCategories:
+  - Regex:           '^<.*\.h>'
+    Priority:        1
+  - Regex:           '^<.*'
+    Priority:        2
+  - Regex:           '.*'
+    Priority:        3
+IncludeIsMainRegex: '([-_](test|unittest))?$'
+IndentCaseLabels: true
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+ReflowComments:  false
+SortIncludes:    true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  false
+SpacesInContainerLiterals: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Cpp11
+TabWidth:        4
+UseTab:          Never
+JavaScriptQuotes: Leave
+...

.github/scripts/clang-format-hook

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+#!/usr/bin/env bash
+
+# Thin wrapper around clang-format for easier to parse output from the
+# pre-commit hook.
+#
+# Needs to work with multiple input files as pre-commit passes multiple files to
+# the "executables"
+
+# Make sure that diff is actually recent enough (diffutils >= 3.4) to support
+# colored output
+COLOR_OUTPUT=$(diff --color=always <(echo) <(echo) > /dev/null 2>&1 && echo "--color=always")
+
+success=0
+for file in ${@}; do
+    if ! $(clang-format --style=file --Werror --dry-run ${file} > /dev/null 2>&1); then
+        echo "Necessary changes for: '${file}' (run 'clang-format --style=file -i ${file}' to fix it)"
+        diff ${COLOR_OUTPUT} -u ${file} <(clang-format --style=file ${file}) | tail -n +3
+        success=1
+    fi
+done
+exit ${success}

.github/templates/apache-2.tmpl

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+Copyright (c) ${years} ${owner}.
+
+This file is part of ${projectname}.
+See ${projecturl} for further info.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

.github/workflows/pre-commit.yaml

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+name: pre-commit
+
+on: [push, pull_request]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cvmfs-contrib/github-action-cvmfs@v3
+    - name: Run pre-commit
+      run: |
+        source /cvmfs/sw-nightlies.hsf.org/key4hep/setup.sh
+        cd ${GITHUB_WORKSPACE}
+        pre-commit run --show-diff-on-failure \
+          --color=always \
+          --all-files

.github/workflows/test.yml

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+name: linux
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        SETUP: ['/cvmfs/sw.hsf.org/key4hep/setup.sh', '/cvmfs/sw-nightlies.hsf.org/key4hep/setup.sh']
+    steps:
+    - uses: actions/checkout@v2
+    - uses: cvmfs-contrib/github-action-cvmfs@v2
+    - name: Start container
+      run: |
+        docker run -it --name CI_container -v ${GITHUB_WORKSPACE}:/Package -v /cvmfs:/cvmfs:shared -d ghcr.io/aidasoft/centos7:latest /bin/bash
+    - name: CMake Configure
+      run: |
+        docker exec CI_container /bin/bash -c 'cd Package;\
+         mkdir -p build install;\
+         source ${{ matrix.SETUP }};\
+         cd build;\
+         cmake -DCMAKE_INSTALL_PREFIX=../install -DCMAKE_CXX_STANDARD=17  -DCMAKE_CXX_FLAGS=" -fdiagnostics-color=always " -G Ninja ..;'
+    - name: Compile
+      run: |
+        docker exec CI_container /bin/bash -c 'cd ./Package;\
+        source ${{ matrix.SETUP }};\
+        cd build;\
+        ninja -k0;'
+    - name: Install
+      run: |
+        docker exec CI_container /bin/bash -c 'cd ./Package;\
+          source ${{ matrix.SETUP }};\
+          cd build;\
+          ninja -k0 install;'
+    - name: Test
+      run: |
+        docker exec CI_container /bin/bash -c 'cd ./Package;\
+        source ${{ matrix.SETUP }};\
+        cd build;\
+        ninja -k0 && ctest --output-on-failure;'
+