emqx/scripts/update-copyright-years.sh

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#!/usr/bin/env bash
## run this script once a year
set -euo pipefail
THIS_YEAR="$(date +'%Y')"
fix_copyright_year() {
local file="$1"
local copyright_line
copyright_line="$(head -2 "$file" | grep -E "Copyright\s\(c\)\s.+\sEMQ" || true)"
if [ -z "$copyright_line" ]; then
## No Copyright info, it is not intended to add one from this script
echo "Ignored $file"
return 0
fi
local begin_year
begin_year="$(echo "$copyright_line" | sed -E 's#(.*Copyright \(c\)) (20..).*#\2#g')"
if [ "$begin_year" = "$THIS_YEAR" ]; then
## new file added this year
return 0
fi
sed -E "s#(.*Copyright \(c\) 20..)(-20.. | )(.*)#\1-$THIS_YEAR \3#g" -i "$file"
}
while read -r file; do
if [[ $file != *.erl ]] && \
[[ $file != *.ex ]] && \
[[ $file != *.hrl ]] && \
[[ $file != *.proto ]]; then
## Ignore other file
continue
fi
fix_copyright_year "$file"
done < <(git ls-files)
fix_copyright_year apps/emqx/NOTICE
fix_copyright_year NOTICE