cleanup in alias handling

powerlevel9k.zsh-theme

@@ -10,54 +10,43 @@
 # https://github.com/robbyrussell/oh-my-zsh/blob/74177c5320b2a1b2f8c4c695c05984b57fd7c6ea/themes/agnoster.zsh-theme
 ################################################################
 
-################################################################
-# For basic documentation, please refer to the README.md in the
-# top-level directory.
-################################################################
-
-## Turn on for Debugging
-#PS4='%s%f%b%k%F{blue}%{λ%}%L %F{240}%N:%i%(?.. %F{red}%?) %1(_.%F{yellow}%-1_ .)%s%f%b%k '
-#zstyle ':vcs_info:*+*:*' debug true
-#set -o xtrace
+if [[ -o 'aliases' ]]; then
+  'builtin' 'unsetopt' 'aliases'
+  local _p9k_restore_aliases=1
+else
+  local _p9k_restore_aliases=0
+fi
 
 () {
-  'builtin' 'emulate' '-L' 'zsh'
+  emulate -L zsh
 
-  'builtin' 'local' "_p9k_aliases=$(
-      'builtin' 'alias' '-rL'
-      'builtin' 'alias' '-gL'
-      'builtin' 'alias' '-sL')"
+  if (( $+_p9k_sourced )); then
+    prompt_powerlevel9k_setup
+    return
+  fi
+  typeset -gr _p9k_sourced=1
+  typeset -g _p9k_installation_dir=''
 
-  'builtin' 'unalias' '-m' '*'
-
-  {
-    if (( $+_p9k_sourced )); then
-      prompt_powerlevel9k_setup
-      return
-    fi
-    typeset -gr _p9k_sourced=1
-    typeset -g _p9k_installation_dir=''
-
-    if [[ -n $POWERLEVEL9K_INSTALLATION_DIR ]]; then
-      _p9k_installation_dir=${POWERLEVEL9K_INSTALLATION_DIR:A}
-    else
-      if [[ ${(%):-%N} == '(eval)' ]]; then
-        if [[ $0 == '-antigen-load' && -r powerlevel9k.zsh-theme ]]; then
-          # Antigen uses eval to load things so it can change the plugin (!!)
-          # https://github.com/zsh-users/antigen/issues/581
-          _p9k_installation_dir=$PWD
-        else
-          >&2 print -P '%F{red}[ERROR]%f Powerlevel10k cannot figure out its installation directory.'
-          >&2 print -P 'Please set %F{green}POWERLEVEL9K_INSTALLATION_DIR.%f'
-          return 1
-        fi
+  if [[ -n $POWERLEVEL9K_INSTALLATION_DIR ]]; then
+    _p9k_installation_dir=${POWERLEVEL9K_INSTALLATION_DIR:A}
+  else
+    if [[ ${(%):-%N} == '(eval)' ]]; then
+      if [[ $0 == '-antigen-load' && -r powerlevel9k.zsh-theme ]]; then
+        # Antigen uses eval to load things so it can change the plugin (!!)
+        # https://github.com/zsh-users/antigen/issues/581
+        _p9k_installation_dir=$PWD
       else
-        _p9k_installation_dir=${${(%):-%x}:A:h}
+        >&2 print -P '%F{red}[ERROR]%f Powerlevel10k cannot figure out its installation directory.'
+        >&2 print -P 'Please set %F{green}POWERLEVEL9K_INSTALLATION_DIR.%f'
+        return 1
       fi
+    else
+      _p9k_installation_dir=${${(%):-%x}:A:h}
     fi
+  fi
 
-    source $_p9k_installation_dir/internal/p10k.zsh
-  } always {
-    eval "$_p9k_aliases"
-  }
+  source $_p9k_installation_dir/internal/p10k.zsh
 }
+
+(( ! _p9k_restore_aliases )) || setopt aliases
+'builtin' 'unset' '_p9k_restore_aliases'