Cask upgrade should dry run.

config/common/zsh/.zshrc

@@ -23,6 +23,7 @@ setopt HIST_REDUCE_BLANKS
 setopt HIST_SAVE_NO_DUPS
 setopt INC_APPEND_HISTORY
 setopt SHARE_HISTORY
+setopt RMSTARSILENT
 rm -rf "${ZDOTDIR}/.zsh_history" && ln -sf "${XDG_DATA_HOME}/zsh/history" "${ZDOTDIR}/.zsh_history"
 
 # set path

config/common/zsh/aliases.zsh

@@ -70,8 +70,11 @@ function ud() {
 
 function upgrade() {
   if [ $(uname -s) = "Darwin" ];  then
-    brew update && brew upgrade && brew upgrade --cask --greedy -f && brew autoremove && brew cleanup
+    brew update
+    brew upgrade
+    brew autoremove
     rm -rf ~/Library/Caches/Homebrew/*
+    brew upgrade --cask --greedy -f --dry-run
   elif [ $(uname -s) = "FreeBSD" ]; then
     pkg update -f
     pkg upgrade