Use a file rather than variables to indicate adding an app

src/freedombone-addremove

@@ -29,29 +29,46 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-local_hostname=$(grep 'host-name' /etc/avahi/avahi-daemon.conf | awk -F '=' '{print $2}').local
-webadmin_install_dir="/var/www/${local_hostname}/htdocs/admin"
-pending_installs="$webadmin_install_dir/pending_installs.txt"
-
 arg1="$1"
 arg2="$2"
 
+adding_app_file=/root/.addremove_app_command
+if [ -f "$adding_app_file" ]; then
+    rm "$adding_app_file"
+fi
+
+if [[ "$arg1" == 'add' ]]; then
+    if [ "$arg2" ]; then
+        touch "$adding_app_file"
+    fi
+fi
+
 /usr/local/bin/freedombone-addremove-base "$arg1" "$arg2" || \
     (
-        if [[ "$arg1" == 'add' ]]; then
-            if [ "$arg2" ]; then
-                echo $"Failed to add app: $arg2"
-                # show the installation failed screen
-                sed -i "/install_$arg2/d" "$pending_installs"
-                #web_admin_create_add_apps
-                cp "$webadmin_install_dir/app_installing_failed.html" "$webadmin_install_dir/index.html"
-                cp "$webadmin_install_dir/app_installing_failed.html" "$webadmin_install_dir/installing_progress.html"
-            else
-                exit 0
-            fi
+        echo $'addremove fail state'
+
+        if [ -f "$adding_app_file" ]; then
+            echo $'Failed to add app'
+            rm "$adding_app_file"
+
+            local_hostname=$(grep 'host-name' /etc/avahi/avahi-daemon.conf | awk -F '=' '{print $2}').local
+            webadmin_install_dir="/var/www/${local_hostname}/htdocs/admin"
+            pending_installs="$webadmin_install_dir/pending_installs.txt"
+
+            # show the installation failed screen
+            sed -i "/install_$arg2/d" "$pending_installs"
+            #web_admin_create_add_apps
+            cp "$webadmin_install_dir/app_installing_failed.html" "$webadmin_install_dir/index.html"
+            cp "$webadmin_install_dir/app_installing_failed.html" "$webadmin_install_dir/installing_progress.html"
+
+            exit 1
         else
             exit 0
         fi
     )
 
+if [ -f "$adding_app_file" ]; then
+    rm "$adding_app_file"
+fi
+
 exit 0