address review comments

aliases/available/kubectl.aliases.bash

@@ -5,12 +5,11 @@
 cite 'about-alias'
 about-alias 'kubectl aliases'
 
-# set apt aliases
 function _set_pkg_aliases()
 {
-	if [ -x $(which kubectl) ]; then
-		alias kc='kubectl'
-		alias kcgp='kubectl get pods'
+  if _command_exists kubectl; then
+    alias kc='kubectl'
+    alias kcgp='kubectl get pods'
     alias kcgd='kubectl get deployments'
     alias kcgn='kubectl get nodes'
     alias kcdp='kubectl describe pod'
@@ -18,8 +17,9 @@ function _set_pkg_aliases()
     alias kcdn='kubectl describe node'
     alias kcgpan='kubectl get pods --all-namespaces'
     alias kcgdan='kubectl get deployments --all-namespaces'
+    # launches a disposable netshoot pod in the k8s cluster
     alias kcnetshoot='kubectl run --generator=run-pod/v1 netshoot-$(date +%s) --rm -i --tty --image nicolaka/netshoot -- /bin/bash'
-	fi
+  fi
 }
 
 _set_pkg_aliases

aliases/available/uuidgen.aliases.bash

@@ -1,10 +1,10 @@
-# cite 'uuid-alias'
-# about-alias 'uuidgen aliases'
+cite 'uuid-alias'
+about-alias 'uuidgen aliases'
 
-if [ "$(uuid 2>/dev/null)" != "" ]; then # Linux
+if _command_exists uuid; then # Linux
   alias uuidu="uuid | tr '[:lower:]' '[:upper:]'"
   alias uuidl=uuid
-elif [ "$(uuidgen 2>/dev/null)" != "" ]; then # macOS/BSD
+elif _command_exists uuidgen; then # macOS/BSD
   alias uuidu="uuidgen"
   alias uuid="uuidgen | tr '[:upper:]' '[:lower:]'" # because upper case is like YELLING
   alias uuidl=uuid