Add carapace completion, remove fish and zsh

system/home/shell/default.nix

@@ -17,8 +17,8 @@
   ];
   programs = {
     bash.enable = true;
+    carapace.enable = true;
     fastfetch.enable = true;
-    fish.enable = true;
     fd.enable = true;
     jq.enable = true;
     nix-index.enable = true;
@@ -97,36 +97,5 @@
         copy_on_select = true;
       };
     };
-    zsh = {
-      enable = true;
-      enableCompletion = true;
-      autocd = true;
-      autosuggestion.enable = true;
-      defaultKeymap = "emacs";
-      syntaxHighlighting = {
-        enable = true;
-        highlighters = [
-          "brackets"
-          "cursor"
-        ];
-      };
-      historySubstringSearch.enable = true;
-      history = {
-        extended = true;
-        share = true;
-        ignoreDups = true;
-        ignoreAllDups = true;
-        ignoreSpace = true;
-        expireDuplicatesFirst = true;
-      };
-      initExtra = ''
-        ## completion config and styling
-        zstyle ':completion:*' matcher-list 'm:{a-z}={A-Za-z}'
-        zstyle ':completion:*' menu 'select=long-list'
-
-        ## transient prompt
-        source ${./transient.zsh}
-      '';
-    };
   };
 }

system/home/shell/transient.zsh

@@ -1,31 +0,0 @@
-#!/usr/bin/env zsh
-
-zle-line-init() {
-    emulate -L zsh
-
-    [[ $CONTEXT == start ]] || return 0
-
-    while true; do
-        zle .recursive-edit
-        local -i ret=$?
-        [[ $ret == 0 && $KEYS == $'\4' ]] || break
-        [[ -o ignore_eof ]] || exit 0
-    done
-
-    local saved_prompt=$PROMPT
-    local saved_rprompt=$RPROMPT
-    PROMPT='󰁔 '
-    RPROMPT=''
-    zle .reset-prompt
-    PROMPT=$saved_prompt
-    RPROMPT=$saved_rprompt
-
-    if ((ret)); then
-        zle .send-break
-    else
-        zle .accept-line
-    fi
-    return ret
-}
-
-zle -N zle-line-init