Fix interpolation

lib/mrsk/commands/accessory.rb

@@ -42,7 +42,7 @@ class Mrsk::Commands::Accessory < Mrsk::Commands::Base
   def follow_logs(grep: nil)
     run_over_ssh pipe(
       docker(:logs, service_name, "-t", "-n", "10", "-f", "2>&1"),
-      ("grep '#{grep}'" if grep)
+      (%(grep "#{grep}") if grep)
     ).join(" "), host: host
   end
 

lib/mrsk/commands/app.rb

@@ -67,7 +67,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
     run_over_ssh pipe(
       current_container_id,
       "xargs docker logs -t -n 10 -f 2>&1",
-      ("grep '#{grep}'" if grep)
+      (%(grep "#{grep}") if grep)
     ).join(" "), host: host
   end
 

lib/mrsk/commands/traefik.rb

@@ -33,7 +33,7 @@ class Mrsk::Commands::Traefik < Mrsk::Commands::Base
   def follow_logs(host:, grep: nil)
     run_over_ssh pipe(
       docker(:logs, "traefik", "-t", "-n", "10", "-f", "2>&1"),
-      ("grep '#{grep}'" if grep)
+      (%(grep "#{grep}") if grep)
     ).join(" "), host: host
   end