fix: update Pushover alert message formatting

The commit fixes the formatting of the Pushover alert message by removing unnecessary information and adding a conditional check for the presence of an alert URL.

lgsm/modules/alert_pushover.sh

@@ -22,7 +22,11 @@ else
 	alertpriority="0"
 fi
 
-pushoversend=$(curl --connect-timeout 10 -sS -F token="${pushovertoken}" -F user="${pushoveruserkey}" -F html="1" -F sound="${alertsound}" -F priority="${alertpriority}" -F title="${alertemoji} ${alerttitle} ${alertemoji}" -F message=" <b>Server name</b><br>${servername}<br><br><b>Message</b><br>${alertmessage}<br><br><b>Game</b><br>${gamename}<br><br><b>Server IP</b><br><a href='https://www.gametracker.com/server_info/${alertip}:${port}'>${alertip}:${port}</a><br><br><b>Hostname</b><br>${HOSTNAME}<br><br><b>More info</b><br><a href='${alerturl}'>${alerturl}</a>" "https://api.pushover.net/1/messages.json" | grep errors)
+if [ -z "${alerturl}" ]; then
+	pushoversend=$(curl --connect-timeout 10 -sS -F token="${pushovertoken}" -F user="${pushoveruserkey}" -F html="1" -F sound="${alertsound}" -F priority="${alertpriority}" -F title="${alerttitle}" -F message=" <b>Server name</b><br>${servername}<br><br><b>Information</b><br>${alertmessage}<br><br><b>Game</b><br>${gamename}<br><br><b>Server IP</b><br>${alertip}:${port}<br><br><b>Hostname</b><br>${HOSTNAME}" "https://api.pushover.net/1/messages.json" | grep errors)
+else
+	pushoversend=$(curl --connect-timeout 10 -sS -F token="${pushovertoken}" -F user="${pushoveruserkey}" -F html="1" -F sound="${alertsound}" -F priority="${alertpriority}" -F title="${alerttitle}" -F message=" <b>Server name</b><br>${servername}<br><br><b>Information</b><br>${alertmessage}<br><br><b>Game</b><br>${gamename}<br><br><b>Server IP</b><br>${alertip}:${port}<br><br><b>Hostname</b><br>${HOSTNAME}<br><br><b>More info</b><br><a href='${alerturl}'>${alerturl}</a>" "https://api.pushover.net/1/messages.json" | grep errors)
+fi
 
 if [ -n "${pushoversend}" ]; then
 	fn_print_fail_nl "Sending Pushover alert: ${pushoversend}"