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|
#!/usr/bin/env bash
# AGPLv3 header template
# Get current year
CURRENT_YEAR=$(date +%Y)
LICENSE_HEADER_TEMPLATE="// Eko: A terminal-native social media platform
// Copyright (C) {YEARS} Kyren223
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>."
# List of paths to exclude (files or directories)
EXCLUDE_PATHS=("internal/data" "tools/test_rate_limit.go")
MODIFIED=false
CHECK_MODE=false
if [[ "$1" == "--check" ]]; then
CHECK_MODE=true
fi
# Check if .go files exist recursively
if ! find . -type f -name "*.go" | grep -q .; then
echo "No .go files found in the current directory or subdirectories."
exit 1
fi
# Apply header to all .go files recursively, excluding specified paths
while IFS= read -r file; do
# Check if file or its parent directories are in EXCLUDE_PATHS
skip=false
for exclude in "${EXCLUDE_PATHS[@]}"; do
if [[ "$file" == "./$exclude" || "$file" == ./"$exclude"/* ]]; then
skip=true
break
fi
done
if [ "$skip" = true ]; then
if [ $CHECK_MODE = false ]; then
echo "Skipped $file (in excluded path)"
fi
continue
fi
head_block=$(head -n 20 "$file")
license_block=$(echo "$head_block" | sed -n '/Copyright (C) [0-9]\{4\}/,/gnu.org\/licenses\/>/p')
copyright_line=$(echo "$license_block" | grep -E 'Copyright \(C\) [0-9]{4}')
START_YEAR=""
END_YEAR=""
if [[ -n "$copyright_line" ]]; then
# Parse years
if [[ "$copyright_line" =~ Copyright\ \(C\)\ ([0-9]{4})-([0-9]{4}) ]]; then
START_YEAR="${BASH_REMATCH[1]}"
END_YEAR="${BASH_REMATCH[2]}"
elif [[ "$copyright_line" =~ Copyright\ \(C\)\ ([0-9]{4}) ]]; then
START_YEAR="${BASH_REMATCH[1]}"
fi
fi
# Determine what the correct copyright line should be
if [[ -z "$START_YEAR" ]]; then
YEARS="$CURRENT_YEAR"
elif [[ "$START_YEAR" == "$CURRENT_YEAR" ]]; then
YEARS="$CURRENT_YEAR"
else
YEARS="$START_YEAR-$CURRENT_YEAR"
fi
HEADER="${LICENSE_HEADER_TEMPLATE//\{YEARS\}/$YEARS}"
existing_header=$(sed -n '1,/https:\/\/www\.gnu\.org\/licenses\/>/p' "$file")
# existing_header_trimmed=$(echo "$existing_header" | sed 's/[[:space:]]*$//')
# new_header_trimmed=$(echo "$HEADER" | sed 's/[[:space:]]*$//')
if [[ -z "$license_block" ]]; then
MODIFIED=true
if $CHECK_MODE; then
echo "Missing copyright: $file"
else
{ echo "$HEADER"; echo; cat "$file"; } > "$file.tmp" && mv "$file.tmp" "$file"
echo "Added license header to $file"
fi
elif [[ "$existing_header" != "$HEADER" ]]; then
MODIFIED=true
if $CHECK_MODE; then
echo "Needs update: $file"
else
awk -v header="$HEADER" '
BEGIN {skipping=1}
{
if (NR == 1) {
print header
next
}
if (skipping) {
if ($0 ~ /<https:\/\/www\.gnu\.org\/licenses\/>/) {
skipping = 0
next
} else {
next
}
}
print
}
' "$file" > "$file.tmp" && mv "$file.tmp" "$file"
echo "Updated license in $file"
fi
fi
done < <(find . -type f -name "*.go")
if $MODIFIED; then
exit 1
fi
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