Improve file searching and variable usage

- Count files using find and grep instead of ls and wc
- Use the same variable to find files and move files, allowing files to
be in a subdirectory

plugins/nginx-vhosts/commands

@@ -162,23 +162,30 @@ EOF
     cd $TEMP_DIR
     tar xvf - <&0
 
-    CRT_FILE_COUNT=$(ls -1 ./*.crt | wc -l)
+    CRT_FILE_SEARCH=$(find . -type f -name "*.crt")
+    CRT_FILE_COUNT=$(printf "%s" "$CRT_FILE_SEARCH" | grep -c '^')
     if [[ $CRT_FILE_COUNT -lt 1 ]]; then
       echo "Tar archive is missing .crt file" && exit 1
     elif [[ $CRT_FILE_COUNT -gt 1 ]]; then
       echo "Tar archive contains more than one .crt file" && exit 1
+    else
+      CRT_FILE=$CRT_FILE_SEARCH
     fi
 
-    KEY_FILE_COUNT=$(ls -1 ./*.key | wc -l)
+    KEY_FILE_SEARCH=$(find . -type f -name "*.key")
+    KEY_FILE_COUNT=$(printf "%s" "$KEY_FILE_SEARCH" | grep -c '^')
     if [[ $KEY_FILE_COUNT -lt 1 ]]; then
       echo "Tar archive is missing .key file" && exit 1
     elif [[ $KEY_FILE_COUNT -gt 1 ]]; then
       echo "Tar archive contains more than one .key file" && exit 1
+    else
+      KEY_FILE=$KEY_FILE_SEARCH
     fi
 
+
     mkdir -p "$DOKKU_ROOT/$APP/tls"
-    mv "$TEMP_DIR/*.crt" "$DOKKU_ROOT/$APP/tls/server.crt"
-    mv "$TEMP_DIR/*.key" "$DOKKU_ROOT/$APP/tls/server.key"
+    mv "$CRT_FILE" "$DOKKU_ROOT/$APP/tls/server.crt"
+    mv "$KEY_FILE" "$DOKKU_ROOT/$APP/tls/server.key"
     cd $DOKKU_ROOT
     rm -rf $TEMP_DIR
     dokku nginx:build-config $APP