App details view log button if corrupted

etc/viewlog

@@ -5,6 +5,9 @@
 DIRECTORY="$(readlink -f "$(dirname "$(dirname "$0")")")"
 
 file="$6"
+if [ -z "$file" ];then
+  file="$1"
+fi
 echo "$file" > "$DIRECTORY/data/current-viewed-logfile"
 
 if command -v mousepad ;then
@@ -20,7 +23,8 @@ else
   pid=$!
 fi
 
-while [ "$(cat "$DIRECTORY/data/current-viewed-logfile")" == "$file" ];do
+#while the user-selection stays the same, AND the text editor is still running, wait.
+while [ "$(cat "$DIRECTORY/data/current-viewed-logfile")" == "$file" ] && kill -0 $pid;do
   sleep 1
 done
 kill $pid 2>/dev/null

gui

@@ -424,6 +424,13 @@ This app installed these packages: $(cat "${DIRECTORY}/data/installed-packages/$
         #if disabled, display no buttons
         whichbutton+=("--button=<b>Enable</b>!!Force this app to install on your system."$'\n'"This app was disabled for a reason so if you enable it..."$'\n'"YOU HAVE BEEN WARNED.:12")
       else
+        #if app status is 'corrupted', and a log file exists for this app, then display a button to view the log file
+        if [ "$(app_status "${output}")" == 'corrupted' ];then
+          logfile="$(ls "$DIRECTORY/logs"/* -t | grep "fail-${output}" | head -n1)"
+          if [ ! -z "$logfile" ];then
+            whichbutton+=("--button=Errors!${DIRECTORY}/icons/log-file.png!$output failed to $(echo "$(basename "$logfile")" | awk -F'-' '{print $1}'). Click this button to view the error output saved in the log file.:14")
+          fi
+        fi
         #if status is corrupted or unknown, then show both buttons
         whichbutton+=("--button=!${DIRECTORY}/icons/uninstall.png:2" "--button=!${DIRECTORY}/icons/install.png:4")
       fi
@@ -483,6 +490,11 @@ This app installed these packages: $(cat "${DIRECTORY}/data/installed-packages/$
         #remove status file containing 'disabled'
         rm -f "${DIRECTORY}/data/status/${app}"
         ;;
+      14)
+        echo "Viewing error log of $output..."
+        echo "Log filepath: $logfile"
+        "${DIRECTORY}/etc/viewlog" "$logfile"
+        ;;
       *)
         error 'unknown button. Exiting now.'
         exit 1