#!/bin/bash

# Script for checking license at begin of files for bash.

# Run with:

# chmod u+x check_for_license.sh

# ./check_for_license.sh

# Change directory to the root of the Git repository

cd "$(git rev-parse --show-cdup)"

# Ignore list (directories or subdirectories to ignore)

ignore_list=("cpp/memilio/ad" "_skbuild" "build" "thirdparty", ".*")

print_diff=false

current_year=$(date +'%Y')

# Define the multiline pattern for c++ files with regex for author and contact lines

cpp_pattern=(

"/\*"

"\* Copyright \(C\) 2020-$current_year MEmilio"

"\*"

"\* Authors:( .+( <[^@<>]+@[^@<>]+>)?(, .+( <[^@<>]+@[^@<>]+>)?)*)?"

"\*"

"\* Contact:( .+( <[^@<>]+@[^@<>]+>)?(, .+( <[^@<>]+@[^@<>]+>)?)*)?"

"\*"

"\* 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\."

"\*/"

)

# Define the multiline pattern for python files with regex for author and contact lines

py_pattern=(

"#+"

"# Copyright \(C\) 2020-$current_year MEmilio"

"#"

"# Authors:( .+( <[^@<>]+@[^@<>]+>)?(, .+( <[^@<>]+@[^@<>]+>)?)*)?"

"#"

"# Contact:( .+( <[^@<>]+@[^@<>]+>)?(, .+( <[^@<>]+@[^@<>]+>)?)*)?"

"#"

"# 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\."

"#+"

)

# Function to check the first few lines of a file

check_lines() {

local file=$1

shift

local patterns=("$@")

local line_number=1

for pattern in "${patterns[@]}"; do

line=$(sed -n "${line_number}p" "$file")

if [[ ! "$line" =~ $pattern ]]; then

echo "$file"

if $print_diff; then

diff <(echo "$line") <(echo "$pattern")

fi

return

fi

((line_number++))

done

}

# Find all .cpp, .h, and .py files

files=$(find . \( -name "*.cpp" -o -name "*.h" -o -name "*.py" \))

# Filter out files in the ignore list

filtered_files=()

for file in $files; do

ignore=false

for ignore_dir in "${ignore_list[@]}"; do

if [[ $file == */$ignore_dir/* ]]; then

ignore=true

break

fi

done

if ! $ignore; then

filtered_files+=("$file")

fi

done

# Check the filtered files

for file in "${filtered_files[@]}"; do

if [[ $file == *.cpp || $file == *.h ]]; then

check_lines "$file" "${cpp_pattern[@]}"

elif [[ $file == *.py ]]; then

check_lines "$file" "${py_pattern[@]}"

fi

done