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OpenFOAM-dev

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#---------------------------------*- sh -*-------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     | Website:  https://openfoam.org
#   \\  /    A nd           | Copyright (C) 2011-2025 OpenFOAM Foundation
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
#
# Script
#     HookFunctions
#
# Description
#     Functions for automatically checking code pre commit and receive
#
#------------------------------------------------------------------------------

if [ -z "$sourceBanner" ]
then
    sourceBanner="(\
/\*---------------------------------------------------------------------------\*\\\\|\
/\*--------------------------------\*- C\+\+ -\*----------------------------------\*\\\\|\
/\*---------------------------------\*- C -\*-----------------------------------\*\\\\)
  =========                 \|
  \\\\\\\\      /  F ield         \| OpenFOAM: The Open Source CFD Toolbox
   \\\\\\\\    /   O peration     \| Website:  https://openfoam\.org
    \\\\\\\\  /    A nd           \| Copyright \(C\) [0-9-]+ OpenFOAM Foundation
     \\\\\\\\/     M anipulation  \|
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM\.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    \(at your option\) any later version\.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE\.  See the GNU General Public License
    for more details\.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM\.  If not, see <http://www\.gnu\.org/licenses/>\.
(.|
)*?
\\\\\*---------------------------------------------------------------------------\*/"
fi

if [ -z "$scriptBanner" ]
then
    scriptBanner="(\
#------------------------------------------------------------------------------|\
#---------------------------------\*- sh -\*-------------------------------------|\
#----------------------------------\*-sh-\*--------------------------------------|\
#----------------------------\*- makefile-gmake -\*------------------------------)
# =========                 \|
# \\\\\\\\      /  F ield         \| OpenFOAM: The Open Source CFD Toolbox
#  \\\\\\\\    /   O peration     \| Website:  https://openfoam\.org
#   \\\\\\\\  /    A nd           \| Copyright \(C\) [0-9-]+ OpenFOAM Foundation
#    \\\\\\\\/     M anipulation  \|
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM\.
#
#     OpenFOAM is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     \(at your option\) any later version\.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE\.  See the GNU General Public License
#     for more details\.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM\.  If not, see <http://www\.gnu\.org/licenses/>\.
(.|
)*?
#------------------------------------------------------------------------------"
fi

if [ -z "$dictBanner" ]
then
    dictBanner="(\
/\*---------------------------------------------------------------------------\*\\\\|\
/\*--------------------------------\*- C\+\+ -\*----------------------------------\*\\\\)
  =========                 \|
  \\\\\\\\      /  F ield         \| OpenFOAM: The Open Source CFD Toolbox
   \\\\\\\\    /   O peration     \| Website:  https://openfoam\.org
    \\\\\\\\  /    A nd           \| Version:  (dev|[0-9\.x]+)
     \\\\\\\\/     M anipulation  \|(.|
)*?
\\\\\*---------------------------------------------------------------------------\*/"
fi

#-----------------------------------------------------------------------------

gitIsRevision() # commit
{
    git rev-parse --verify "$1" > /dev/null 2>&1
    return $?
}


scopeGit() # scope, cacheScope
{
    if [ "$1" == "--cached" ]
    then
        echo "$2"
    elif gitIsRevision "$1"
    then
        echo "$1:"
    else
        echo "$(basename "$0"): $1 is not a valid scope"
        exit 1
    fi
}


scopeGitGrep() # scope
{
    scopeGit "$1" "--cached -- "
}


scopeGitShow() # scope
{
    scopeGit "$1" ":"
}


reportStart() # startMessage
{
    echo -n "$1 ... " 1>&2
}


reportEnd() # failMessage, errorCount, errorMessages...
{
    local failMessage errorCount

    failMessage=$1
    shift
    errorCount=$1
    shift
    if [ "$errorCount" -eq 0 ]
    then
        echo PASSED 1>&2
    else
        echo "FAILED with $errorCount errors:" 1>&2
        echo "$failMessage" | sed "s/^/    /g" 1>&2
        for errorMessage in "$@"
        do
            echo "$errorMessage" | sed "s/^/        /g" 1>&2
        done
    fi
}


checkPattern() # scope, pattern, include, exclude, files...
{
    local scope pattern include exclude lines errorCount=0

    scope=$(scopeGitGrep "$1")
    shift
    pattern="$1"
    shift
    include="$1"
    shift
    exclude="$1"
    shift

    shopt -s extglob

    # Loop files, accumulating errors
    for file in "$@"
    do
        case "$file" in
            ($exclude)
                ;;
            ($include)
                if [ "$(file -b "$file")" != "data" ]
                then
                    lines=$( \
                        eval "git grep -E -hn $pattern $scope\"$file\"" \
                      | sed -e "s/:.*//" \
                      | tr "\n" " " \
                    )
                    if [ -n "$lines" ]
                    then
                        echo "$file: Lines $lines"
                        ((++errorCount))
                    fi
                fi
                ;;
        esac
    done

    return $errorCount
}


checkTabs() # scope, files...
{
    reportStart "Check for tabs"

    local scope pattern include exclude errorCount errorMessages

    scope=$1
    shift
    pattern="-e $'\t'"
    include="*"
    exclude="@(*[Mm]akefile*|wmake/rules/*|bin/tools/gtagsrc|*.html|*.css|*.pdf|*.png|*.gz)"

    errorMessages="$(checkPattern "$scope" "$pattern" "$include" "$exclude" "$@")"
    errorCount=$?

    reportEnd "Remove <TAB> characters from the following files:" $errorCount "$errorMessages"
    return $errorCount
}


checkLineEnds() # scope, files...
{
    reportStart "Check for bad line endings"

    local scope pattern include exclude errorCount errorMessages

    scope=$1
    shift
    pattern="-e \"[ ]+$\" --or -e $'\r'"
    include="*"
    exclude="@(*.md|*.pdf|*.png|*.gz)"

    errorMessages="$(checkPattern "$scope" "$pattern" "$include" "$exclude" "$@")"
    errorCount=$?

    reportEnd "Remove trailing whitespace and <CR> characters in the following files:" $errorCount "$errorMessages"
    return $errorCount
}


checkLineLength() # scope, files...
{
    reportStart "Check line lengths"

    local scope pattern include exclude errorCount errorMessages

    scope=$1
    shift
    pattern="-e \"^.{81,}\" --and --not -e \"^ *#\""
    include="*.[CH]"
    exclude=""

    errorMessages="$(checkPattern "$scope" "$pattern" "$include" "$exclude" "$@")"
    errorCount=$?

    reportEnd "Limit lines to 80 characters in the following files:" $errorCount "$errorMessages"
    return $errorCount
}


checkNonStandardCode() # scope, files...
{
    reportStart "Check for non-standard code"

    local scope pattern include exclude errorCount errorMessages

    scope=$1
    shift
    pattern="-e \"> >\" --or -e \"NULL\""
    include="*.[CH]"
    exclude=""

    errorMessages="$(checkPattern "$scope" "$pattern" "$include" "$exclude" "$@")"
    errorCount=$?

    reportEnd "$(cat << EOF
The following is considered non-standard code:

    1. Spaced ending of multi-level template parameters. For example,

        List<List<scalar> >

    should instead be written:

        List<List<scalar>>

    2. The 'NULL' macro. This should be replaced by 'nullptr'.

Remove these patterns from the following files:
EOF
)" $errorCount "$errorMessages"

    return $errorCount
}


checkHeaderIfndefNames() # scope, fix, files...
{
    reportStart "Check header file #ifndef/#define names"

    local scopeGrep fix correctDefine currentDefine failMessage errorCount=0 errorMessages=()

    scopeGrep=$(scopeGitGrep "$1")
    shift
    fix=$1
    shift

    for file in "$@"
    do
        case "$file" in
            (*.H)
                correctDefine=$(basename "${file%.H}" | sed 's/\./_/')

                if git grep -q -e "#ifndef .*_H$" --and --not -e "#ifndef \(\|.\+_\)${correctDefine}.*_H" $scopeGrep"$file"
                then
                    ((++errorCount))
                    errorMessages+=("$file")

                    currentDefine=$(grep "#ifndef .*_H$" "$file" | sed 's/#ifndef\s*//')

                    if $fix
                    then
                        sed -i -e "s/$currentDefine/${correctDefine}_H/" "$file"
                    fi
                fi
                ;;
        esac
    done

    if $fix
    then
        failMessage="The following files have been automatically updated so that the
#ifndef/#define statements match the file name. Check and re-add them
before pushing:"
    else
        failMessage="Revise the following files so that the #ifndef/#define statements match
the file name:"
    fi

    reportEnd "$failMessage" $errorCount "${errorMessages[@]}"
    return $errorCount
}


checkBanner() # scope, files...
{
    reportStart "Check banners"

    local scopeGrep scopeShow fileName fileExtension errorCount=0 errorMessages=()

    scopeGrep=$(scopeGitGrep "$1")
    scopeShow=$(scopeGitShow "$1")
    shift

    for file in "$@"
    do
        fileName=$(basename "$file")
        fileExtension=${fileName##*.}

        # Skip links
        if [ -h "$file" ]
        then
            :

        # Copyrighted source and script files
        elif git grep -q -e "Copyright (C) [0-9-]\+ OpenFOAM Foundation" $scopeGrep"$file"
        then
            case "$fileExtension" in
                (c|C|Cver|cxx|dox|H|h|l|L)
                    if ! git show $scopeShow"$file" | pcre2grep -q -M "$sourceBanner"
                    then
                        ((++errorCount))
                        errorMessages+=("$file")
                    fi
                    ;;
                (''|awk|csh|gnuplot|sed|sh)
                    if ! git show $scopeShow"$file" | pcre2grep -q -M "$scriptBanner"
                    then
                        ((++errorCount))
                        errorMessages+=("$file")
                    fi
                    ;;
                (*)
                    :
                    #((++errorCount))
                    #errorMessages+=("$file: Unknown extension")
                    ;;
            esac

        # Versioned case files
        elif git grep -q -e "Version:  \(dev\|[0-9.]+\)" $scopeGrep"$file"
        then
            if ! git show $scopeShow"$file" | pcre2grep -q -M "$dictBanner"
            then
                ((++errorCount))
                errorMessages+=("$file")
            fi

        # Unknown files
        elif git grep -q -e "OpenFOAM: The Open Source CFD Toolbox" $scopeGrep"$file"
        then
            :
            #((++errorCount))
            #errorMessages+=("$file: Missing copyright or version")
        fi
    done

    reportEnd "Correct the banner formatting in the following files:" $errorCount "${errorMessages[@]}"
    return $errorCount
}


checkMode() # scope, fix, files...
{
    reportStart "Check for executables"

    local scope scopeGrep fix gitLs failMessage errorCount=0 errorMessages=()

    scope="$1"
    scopeGrep=$(scopeGitGrep "$scope")
    shift
    fix=$1
    shift

    if [ "$scope" == "--cached" ]
    then
        gitLs="git ls-files --stage"
    else
        gitLs="git ls-tree"
    fi

    for file in "$@"
    do
        if git grep -qe "\(^#\!.*/bin/.*\)" $scopeGrep"$file"
        then
            if [[ ! $($gitLs "$scope" "$file") =~ ^100(755|775|777) ]]
            then
                ((++errorCount))
                errorMessages+=("$file")
                if $fix
                then
                    chmod a+x "$file"
                fi
            fi
        fi
    done

    if $fix
    then
        failMessage="The following files have been made executable automatically. Check and
re-add them before pushing:"
    else
        failMessage="Make the following files executable:"
    fi

    reportEnd "$failMessage" $errorCount "${errorMessages[@]}"
    return $errorCount
}


checkCopyright() # scope, fix, files...
{
    reportStart "Check copyright"

    local scopeGrep fix year startYear endYear errorCount=0 errorMessages=() failMessage

    scopeGrep=$(scopeGitGrep "$1")
    shift
    fix=$1
    shift
    year=$(date +%Y)

    for file in "$@"
    do
        startYear=$( \
            git grep -h -e "Copyright.*OpenFOAM" $scopeGrep"$file" \
          | head -n 1 \
          | sed 's/[^0-9]*\([0-9]*\).*/\1/g'
        )
        endYear=$( \
            git grep -h -e "Copyright.*-.*OpenFOAM" $scopeGrep"$file" \
          | head -n 1 \
          | sed 's/[^-]*-\([0-9]*\).*/\1/g'
        )

        if [ "$startYear" != "" ]
        then
            if [ "$endYear" != "" ]
            then
                # Date is of type 2011-2012 OpenFOAM Foundation
                if [ "$year" != "$endYear" ]
                then
                    ((++errorCount))
                    errorMessages+=("$file")
                    if $fix
                    then
                        sed -i -e "s/$startYear-$endYear OpenFOAM/$startYear-$year OpenFOAM/g" "$file"
                    fi
                fi
            else
                # Date is of type 2011 OpenFOAM Foundation
                if [ "$year" != "$startYear" ]
                then
                    ((++errorCount))
                    errorMessages+=("$file")
                    if $fix
                    then
                        sed -i -e "s/$startYear OpenFOAM/$startYear-$year OpenFOAM/g" "$file"
                    fi
                fi
            fi
        fi
    done

    if $fix
    then
        failMessage="The following files have had their copyright dates automatically
updated. Check and re-add them before pushing:"
    else
        failMessage="Update the copyright dates in the following files:"
    fi

    reportEnd "$failMessage" $errorCount "${errorMessages[@]}"
    return $errorCount

}


checkAllNoCopyright() # scope, fix, files...
{
    local scope fix returnCode=0

    scope="$1"
    shift
    fix="$1"
    shift

    # Check for tabs
    checkTabs "$scope" "$@" || returnCode=1

    # Check line endings
    checkLineEnds "$scope" "$@" || returnCode=1

    # Ensure code line lengths do not exceed 80 columns
    checkLineLength "$scope" "$@" || returnCode=1

    # Check for non-standard code patterns
    checkNonStandardCode "$scope" "$@" || returnCode=1

    # Check if #ifndef/#define bounds are named correctly
    checkHeaderIfndefNames "$scope" "$fix" "$@" || returnCode=1

    # Check banner
    checkBanner "$scope" "$@" || returnCode=1

    # Check mode
    checkMode "$scope" "$fix" "$@" || returnCode=1

    return $returnCode
}


checkAll() # scope, fix, files...
{
    local scope fix returnCode=0

    scope="$1"
    shift
    fix="$1"
    shift

    # Check all except copyright
    checkAllNoCopyright "$scope" "$fix" "$@" || returnCode=1

    # Check copyright
    checkCopyright "$scope" "$fix" "$@" || returnCode=1

    return $returnCode
}

#------------------------------------------------------------------------------