bundlewrap/bundles/left4dead2/files/scripts/overlays/l4d2center_maps

128 lines
3.5 KiB
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#!/bin/bash
set -xeuo pipefail
source /opt/l4d2/scripts/helpers
overlay=$(basename "$0")
steam mkdir -p /opt/l4d2/overlays/$overlay/left4dead2/addons
cd /opt/l4d2/overlays/$overlay/left4dead2/addons
# https://l4d2center.com/maps/servers/l4d2center_maps_sync.sh.txt ->
# Exit immediately if a command exits with a non-zero status.
set -e
# Function to print error messages
error_exit() {
echo "Error: $1" >&2
exit 1
}
# Check if the current directory ends with /left4dead2/addons
current_dir=$(pwd)
expected_dir="/left4dead2/addons"
if [[ ! "$current_dir" == *"$expected_dir" ]]; then
error_exit "Script must be run from your L4D2 \"addons\" folder. Current directory: $current_dir"
fi
# Check for required commands
for cmd in curl md5sum 7z; do
if ! command -v "$cmd" >/dev/null 2>&1; then
error_exit "Required command '$cmd' is not installed. Please install it and retry."
fi
done
# URL of the CSV file
CSV_URL="https://l4d2center.com/maps/servers/index.csv"
# Temporary file to store CSV
TEMP_CSV=$(mktemp)
# Ensure temporary file is removed on exit
trap 'rm -f "$TEMP_CSV"' EXIT
echo "Downloading CSV from $CSV_URL..."
curl -sSL -o "$TEMP_CSV" "$CSV_URL" || error_exit "Failed to download CSV."
declare -A map_md5
declare -A map_links
# Read CSV and populate associative arrays
{
# Skip the first line (header)
IFS= read -r header
while IFS=';' read -r Name Size MD5 DownloadLink || [[ $Name ]]; do
# Trim whitespace
Name=$(echo "$Name" | xargs)
MD5=$(echo "$MD5" | xargs)
DownloadLink=$(echo "$DownloadLink" | xargs)
# Populate associative arrays
map_md5["$Name"]="$MD5"
map_links["$Name"]="$DownloadLink"
done
} < "$TEMP_CSV"
# Get list of expected VPK files
expected_vpk=("${!map_md5[@]}")
# Remove VPK files not in expected list or with mismatched MD5
echo "Cleaning up existing VPK files..."
for file in *.vpk; do
# Check if it's a regular file
if [[ -f "$file" ]]; then
if [[ -z "${map_md5["$file"]}" ]]; then
echo "Removing unexpected file: $file"
rm -f "$file"
else
# Calculate MD5
echo "Calculating MD5 for existing file: $file..."
current_md5=$(md5sum "$file" | awk '{print $1}')
expected_md5="${map_md5["$file"]}"
if [[ "$current_md5" != "$expected_md5" ]]; then
echo "MD5 mismatch for $file. Removing."
rm -f "$file"
fi
fi
fi
done
# Download and extract missing or updated VPK files
echo "Processing required VPK files..."
for vpk in "${expected_vpk[@]}"; do
if [[ ! -f "$vpk" ]]; then
echo "Downloading and extracting $vpk..."
download_url="${map_links["$vpk"]}"
if [[ -z "$download_url" ]]; then
echo "No download link found for $vpk. Skipping."
continue
fi
encoded_url=$(echo "$download_url" | sed 's/ /%20/g')
# Download the .7z file to a temporary location
TEMP_7Z=$(mktemp --suffix=.7z)
curl -# -L -o "$TEMP_7Z" "$encoded_url"
# Check if the download was successful
if [[ $? -ne 0 ]]; then
echo "Failed to download $download_url. Skipping."
rm -f "$TEMP_7Z"
continue
fi
# Extract the .7z file
7z x -y "$TEMP_7Z" || { echo "Failed to extract $TEMP_7Z. Skipping."; rm -f "$TEMP_7Z"; continue; }
# Remove the temporary .7z file
rm -f "$TEMP_7Z"
else
echo "$vpk is already up to date."
fi
done
echo "Synchronization complete."