imag/scripts/license-headers-updated

#!/usr/bin/env bash

curr_year=$(date +%Y || exit 1)

line() {
    head -n "$1" | tail -n 1
}

check() {
    local file="$1"
    local line="$2"
    local mtch="$3"
    local desc="$4"

    cat "$file" | line "$line" | grep "$mtch" 2>/dev/null >/dev/null || {
        echo "[LICENSE ERROR]: '$desc' is missing or wrong in '$file'"
        return 1
    }
}

find lib bin -name "*.rs" -type f | grep -v target | while read filename; do
    check "$filename" 2                                                        \
        "imag - the personal information management suite for the commandline" \
        "Description line"                                                     \
        || exit 1

    check "$filename" 3                     \
        "Copyright (C) 2015-${curr_year}"   \
        "Copyright name"                    \
        || exit 1

    check "$filename" 5                 \
        "This library is free software" \
        "License"                       \
        || exit 1

    echo "[LICENSE OK]: $filename"
done