feat: refacto aliases/completion kubectl, helm, stern

aliases.d/kubectl

@@ -1,11 +1,8 @@
 #!/bin/bash
 
-if (which kubectl &> /dev/null)
+if (command -v kubectl &> /dev/null)
 then
 
-  # activate completion
-  source <(kubectl completion bash)
-
   # create a quick alias
   alias k=kubectl
   alias ks="kubectl --namespace kube-system"

completion.d/helm

@@ -1,9 +1,6 @@
 #!/bin/bash
 
-if (which helm &> /dev/null)
+if (command -v helm &> /dev/null)
 then
-
-  # activate completion
   source <( helm completion bash )
-
 fi

completion.d/kubectl

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if ( which kubectl ) &> /dev/null
+if (command -v kubectl &> /dev/null)
 then
   source <(kubectl completion bash)
 fi

completion.d/stern

@@ -1,9 +1,6 @@
 #!/bin/bash
 
-if (which stern &> /dev/null)
+if (command -v stern &> /dev/null)
 then
-
-  # activate completion
   source <(stern --completion bash)
-
 fi