cat is no longer needed by plugn

plugins/git/receive-app

@@ -6,7 +6,7 @@ APP="$1"; REV="$2"
 
 # Don't trigger git build if there is no git repository.
 if [ ! -d "$DOKKU_ROOT/$APP/refs" ]; then
-  cat || true
+  true
 else
   dokku git-build $APP $REV
 fi

plugins/tar/commands

@@ -15,7 +15,7 @@ case "$1" in
     APP="$2"
     verify_app_name "$2"
     tee "$DOKKU_ROOT/$APP/src.tar" | wc -c
-    plugn trigger -p receive-app $APP
+    plugn trigger receive-app $APP
     ;;
 
   tar-build)

plugins/tar/receive-app

@@ -6,7 +6,7 @@ APP="$1"; REV="$2"
 
 # Don't trigger tar build if there is no tarball.
 if [ ! -f "$DOKKU_ROOT/$APP/src.tar" ]; then
-  cat || true
+  true
 else
   dokku tar-build $APP
 fi