Fixed omp prompt

Fixed: .envrc shows up when `direnv` does not exists

_home/private_dot_poshtheme.omp.json

@@ -81,9 +81,9 @@
           "style": "powerline",
           "properties": {
             "shell": "bash",
-            "command": "type -t direnv *>/dev/null && { direnv status *>&1 || true; } | grep \"Found RC allowed\"; true"
+            "command": "type -t direnv 2>/dev/null && { direnv status 2>&1 || true; } | grep \"Found RC allowed\"; true"
           },
-          "template": "."
+          "template": "{{ if .Output }}.{{ end }}"
         },
         {
           "type": "command",
@@ -100,9 +100,9 @@
           "trailing_diamond": "▓",
           "properties": {
             "shell": "bash",
-            "command": "type -t direnv *>/dev/null && { direnv status *>&1 || true; } | grep \"Found RC allowed\"; true"
+            "command": "type -t direnv 2>/dev/null && { direnv status 2>&1 || true; } | grep \"Found RC allowed\"; true"
           },
-          "template": "envrc"
+          "template": "{{ if .Output }}envrc{{ end }}"
         }
       ]
     },