zsh: better save/load working directory behavior

.zshrc

@@ -24,9 +24,9 @@
 
    export ZINIT_HOME_DIR=""
 
-   AUTO_SAVE_WORKING_DIR=true
-   AUTO_LOAD_LAST_WORKING_DIR=false
-   WORKING_DIR_SAVE_FILE="${XDG_CONFIG_HOME:-$HOME/.config}/shell/last-dir.save" 
+   WORKING_DIR_SAVE_FILE="${XDG_CACHE_HOME:-$HOME/.cache}/zsh/last-working-dir"
+   # make the dir for the file if needed
+   ! test -d "$(dirname "$WORKING_DIR_SAVE_FILE")" && mkdir -p "$(dirname "$WORKING_DIR_SAVE_FILE")"
 
    # (I know this shouldn't go here, but I needed it to happen early)
    # change cursor to beam by default
@@ -79,6 +79,7 @@
 
    # <<<
    ## Program improvements (ex: ls = ls -h) >>>
+   alias sudo="sudo "       # allow using aliases in sudo commands
    alias df='df -h'         # Human-readable sizes
    alias free='free -m'     # Show sizes in MB
    alias bc="bc -ql"        # Make bc usable for fast math
@@ -88,7 +89,6 @@
       ls="ls -hN --color=auto --group-directories-first" \
       grep="grep --color=auto" \
       diff="diff --color=auto" \
-      ccat="highlight --out-format=ansi" \
       pacman="pacman --color=auto" \
       paru="paru --color=auto --sudoloop --newsonupgrade --pgpfetch --upgrademenu --bottomup --skipreview" \
 
@@ -228,36 +228,6 @@
       fi
    }
 
-   # Loads the last working directory (or the one you're in)
-   alias lwd=load_working_dir
-   load_working_dir() {
-      # load the directory  (and do validation to make sure it's actually a directory)
-      if test -f "$WORKING_DIR_SAVE_FILE"; then
-         local PREVIOUS_WORKING_DIR="$(cat "$WORKING_DIR_SAVE_FILE")"
-         if test -d "$(cat "$WORKING_DIR_SAVE_FILE")"; then
-            cd "$PREVIOUS_WORKING_DIR" || error $LINENO
-         else
-            echo "Invalid saved working directory ($PREVIOUS_WORKING_DIR)"
-         fi
-      else
-         echo "Invalid working directory save file ($WORKING_DIR_SAVE_FILE)"
-      fi
-   }
-
-   # Saves the CWD to a file
-   alias swd=save_working_dir
-   save_working_dir() {
-      $SAVE_WORKING_DIR && pwd > "$WORKING_DIR_SAVE_FILE"
-   }
-
-   # automatically save and resume working directory >>>
-   $AUTO_LOAD_LAST_WORKING_DIR && load_working_dir
-   if $AUTO_SAVE_WORKING_DIR; then
-      autoload -U add-zsh-hook
-      add-zsh-hook chpwd save_working_dir
-   fi
-   # <<<
-
    # Simple extraction script. Taken from manjaro's .bashrc
    ex() {
       if [ -f $1 ] ; then
@@ -503,7 +473,7 @@
 
 [ -z "$HISTFILE" ] && HISTFILE="$HOME/.zsh_history"
 
-## ZSH Options          (opening this fold causes lag in vim for some reason) >>>
+## ZSH Options >>>
 {
    # setopt correct                                                 # Auto correct mistakes
    setopt extendedglob                                            # Extended globbing. Allows using regular expressions with *
@@ -704,7 +674,29 @@ autoload -U add-zsh-hook
 add-zsh-hook precmd mzc_termsupport_precmd
 add-zsh-hook preexec mzc_termsupport_preexec
 # <<<
-# allow `cd -` on loading zsh >>>
+# auto save and load working dir (allow `cd -` on start) >>>
+# Load the last working directory
+load_working_dir() {
+   # load the directory  (and do validation to make sure it's actually a directory)
+   if test -f "$WORKING_DIR_SAVE_FILE"; then
+      local PREVIOUS_WORKING_DIR="$(cat "$WORKING_DIR_SAVE_FILE")"
+      if test -d "$(cat "$WORKING_DIR_SAVE_FILE")"; then
+         cd "$PREVIOUS_WORKING_DIR" || error $LINENO
+      else
+         echo "Invalid saved working directory ($PREVIOUS_WORKING_DIR)"
+      fi
+   else
+      echo "Invalid working directory save file ($WORKING_DIR_SAVE_FILE)"
+   fi
+}
+
+save_working_dir() {
+   pwd > "$WORKING_DIR_SAVE_FILE"
+}
+
+autoload -U add-zsh-hook
+add-zsh-hook chpwd save_working_dir
+
 load_working_dir
 cd - > /dev/null
 # <<<