home: zsh: customize completion

Once again, making it closer to my usual setup.

home/zsh.nix

@@ -41,6 +41,36 @@
       setopt autoresume
       # Those options aren't wanted
       unsetopt beep extendedglob notify
+
+      # Style the completion a bit
+      zstyle ':completion:*' list-colors ''${(s.:.)LS_COLORS}
+      # Show a prompt on selection
+      zstyle ':completion:*' select-prompt '%SScrolling active: current selection at %p%s'
+      # Use arrow keys in completion list
+      zstyle ':completion:*' menu select
+      # Group results by category
+      zstyle ':completion:*' group-name ""
+      # Keep directories and files separated
+      zstyle ': completion:*' list-dirs-first true
+      # Add colors to processes for kill completion
+      zstyle ': completion:*:*:kill:*:processes' list-colors '=(#b) #([0-9]#)*=0=01;31'
+
+      # match uppercase from lowercase
+      zstyle ':completion:*' matcher-list 'm:{a-z}={A-Z}'
+
+      # Filename suffixes to ignore during completion (except after rm command)
+      zstyle ':completion:*:*:(^rm):*:*files' ignored-patterns '*?.o' '*?.c~' '*?.old' '*?.pro'
+
+      # command for process lists, the local web server details and host completion
+      # on processes completion complete all user processes
+      zstyle ':completion:*:processes' command 'ps -au$USER'
+
+      # Completion formatting and messages
+      zstyle ':completion:*' verbose yes
+      zstyle ':completion:*:descriptions' format '%B%d%b'
+      zstyle ':completion:*:messages' format '%d'
+      zstyle ':completion:*:warnings' format 'No matches for: %d'
+      zstyle ':completion:*:corrections' format '%B%d (errors: %e)%b'
     '';
   };