issue: 1310745 Add jenkins style verification

Codying style check is based on LLVM clang-format
tool.

Signed-off-by: Igor Ivanov <igor.ivanov.va@gmail.com>

contrib/jenkins_tests/globals.sh

@@ -34,6 +34,7 @@ rpm_dir=${WORKSPACE}/${prefix}/rpm
 cov_dir=${WORKSPACE}/${prefix}/cov
 cppcheck_dir=${WORKSPACE}/${prefix}/cppcheck
 csbuild_dir=${WORKSPACE}/${prefix}/csbuild
+style_dir=${WORKSPACE}/${prefix}/style
 
 
 nproc=$(grep processor /proc/cpuinfo|wc -l)

contrib/jenkins_tests/style.conf

@@ -0,0 +1,47 @@
+---
+# BasedOnStyle:  LLVM
+AccessModifierOffset: -4
+ConstructorInitializerIndentWidth: 4
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: false
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: false
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: true
+ColumnLimit:     100
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+DerivePointerBinding: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 60
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 120
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerBindsToType: false
+SpacesBeforeTrailingComments: 1
+Cpp11BracedListStyle: false
+Standard:        Cpp03
+IndentWidth:     4
+TabWidth:        4
+UseTab:          Never
+BreakBeforeBraces: Attach
+IndentFunctionDeclarationAfterType: false
+SpacesInParentheses: false
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpaceAfterControlStatementKeyword: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+...
+

contrib/jenkins_tests/style.sh

@@ -0,0 +1,56 @@
+#!/bin/bash -xeEl
+
+source $(dirname $0)/globals.sh
+
+do_check_filter "Checking for codying style ..." "on"
+
+cd $WORKSPACE
+
+rm -rf $style_dir
+mkdir -p $style_dir
+cd $style_dir
+
+test_app="clang-format"
+
+if [ $(command -v $test_app >/dev/null 2>&1 || echo $?) ]; then
+    echo can not find $test_app
+    exit 1
+fi
+
+style_tap=${WORKSPACE}/${prefix}/style_test.tap
+rm -rf $style_tap
+ln -sf $WORKSPACE/contrib/jenkins_tests/style.conf $WORKSPACE/.clang-format
+
+
+check_files=$(find $WORKSPACE/src/ -name '*.c' -o -name '*.cpp' -o -name '*.h')
+
+echo "1..$(echo $check_files | wc -w)" > $style_tap
+i=0
+nerrors=0
+
+for file in $check_files; do
+    set +eE
+    style_diff="${style_dir}/$(basename ${file}).diff"
+    eval "env $test_app -style=file \
+        ${file} \
+        | diff -u ${file} - | sed -e '1s|-- |--- a/|' -e '2s|+++ -|+++ b/$file|' \
+        > ${style_diff} 2>&1"
+    [ -s ${style_diff} ]
+    ret=$((1-$?))
+    nerrors=$((nerrors+ret))
+    set -eE
+    i=$((i+1))
+
+    file=$(basename ${file})
+    if [ $ret -gt 0 ]; then
+        echo "not ok $i $file # See: ${file}.diff" >> $style_tap
+    else
+        echo "ok $i $file" >> $style_tap
+    fi
+done
+
+do_archive "${style_dir}/*.diff"
+rc=$(($rc+$nerrors))
+
+echo "[${0##*/}]..................exit code = $rc"
+exit $rc

contrib/test_jenkins.sh

@@ -58,6 +58,7 @@ jenkins_test_cov=${jenkins_test_cov:="no"}
 jenkins_test_cppcheck=${jenkins_test_cppcheck:="yes"}
 jenkins_test_csbuild=${jenkins_test_csbuild:="no"}
 jenkins_test_run=${jenkins_test_run:="no"}
+jenkins_test_style=${jenkins_test_style:="no"}
 
 
 echo Starting on host: $(hostname)
@@ -157,6 +158,16 @@ for target_v in "${target_list[@]}"; do
 	        rc=$((rc + $ret))
 	    fi
     fi
+    if [ 7 -lt "$jenkins_opt_exit" -o "$rc" -eq 0 ]; then
+	    if [ "$jenkins_test_style" = "yes" ]; then
+	        $WORKSPACE/contrib/jenkins_tests/style.sh
+	        ret=$?
+	        if [ $ret -gt 0 ]; then
+	           do_err "case: [style: ret=$ret]"
+	        fi
+	        rc=$((rc + $ret))
+	    fi
+    fi
     set -e
 
     # Archive all logs in single file