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#!/bin/bash
declare -rg SELFPID=$$
perror () {
if [ -n "$IGNORE_ERRORS" ]; then
echo "[ERROR] $@"
return 0
fi
echo "[FATAL] $@"
[ "$$" != "$SELFPID" ] && kill "$SELFPID"
exit 1
}
#declare -rg TMPDIR=$(mktemp -d)
#[ -d "$TMPDIR" ] || perror "TMPDIR fail."
declare -rg UPDATER="updater.sh"
cp "updater.template.sh" "$UPDATER" || perror "could not copy template"
chmod +x "$UPDATER"
# Replace variables
# slxadmin version
echo -n "Includes SLX-Admin: "
if [ -e "files/slx-admin.tar.gz" ]; then
echo "yes"
VERS=$(tar -xOf "files/slx-admin.tar.gz" "inc/database.inc.php" | grep -A3 'function getExpectedSchemaVersion' | grep -o -E 'return [0-9]+' | grep -o -E '[0-9]+')
[ -n "$VERS" ] || perror "Could not extract slx-admin version!"
echo "Version: $VERS"
sed -i "s/%TARGET_WEBIF_VERSION%/${VERS}/" "$UPDATER" || perror "could not patch slxadmin version in updater"
else
echo "no"
fi
# Last patch: Payload offset
# Calc payload offset, which is tricky as the size changes as we patch
SIZE=$(stat -c %s "$UPDATER")
SIZE=$(( ( $SIZE / 1024 ) * 1024 + 1024 ))
sed -i "s/%PAYLOAD_OFFSET%/${SIZE}/" "$UPDATER" || perror "could not patch payload variable in updater"
# Truncate, append payload
truncate --size="$SIZE" "$UPDATER" || perror "Could not truncate updater to $SIZE bytes"
tar ckz files/* >> "$UPDATER" || perror "Could not append payload to updater"
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