zsh: added auto-saving and auto-loading working dir functionality (may

adjust behavior later to become not automatic)

.zshrc

@@ -24,6 +24,9 @@
 
    export ZINIT_HOME_DIR=""
 
+   SAVE_WORKING_DIR=true
+   WORKING_DIR_SAVE_FILE="${XDG_CONFIG_HOME:-$HOME/.config}/shell/last-dir.save" 
+
    # (I know this shouldn't go here, but I needed it to happen early)
    # change cursor to beam by default
    echo -ne '\e[5 q'
@@ -50,6 +53,7 @@
    [ -x "$(command -v nvim)" ] && alias vim="nvim" vimdiff="nvim -d"
 
    alias vv="$EDITOR"
+   alias sedit="sudoedit"
 
    # I do this too much by accident smh my head
    alias :q='exit' \
@@ -97,7 +101,8 @@
    alias \
       nvc="(cd ~/.config/nvim/lua/blake && nvim ../../init.lua)" \
       zshrc="$EDITOR ~/.zshrc" \
-      fstab="sudo $EDITOR /etc/fstab" \
+      fstab="sudoedit /etc/fstab" \
+      sedit="sudoedit"
 
    # Git cLONE
    alias glone="git clone"
@@ -538,6 +543,27 @@ bindkey -M vicmd 'k' history-substring-search-up
 bindkey -M vicmd 'j' history-substring-search-down
 # <<<
 
+# automatically save and resume working directory >>>
+if $SAVE_WORKING_DIR; then
+   # load the directory  (and do validation to make sure it's actually a directory)
+   if test -f "$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() {
+      $SAVE_WORKING_DIR && pwd > "$WORKING_DIR_SAVE_FILE"
+   }
+   autoload -U add-zsh-hook
+   add-zsh-hook chpwd save_working_dir
+fi
+# <<<
 # Colors and compinit >>>
 export LESS_TERMCAP_mb=$'\E[01;32m'
 export LESS_TERMCAP_md=$'\E[01;32m'
@@ -547,16 +573,13 @@ export LESS_TERMCAP_so=$'\E[01;47;34m'
 export LESS_TERMCAP_ue=$'\E[0m'
 export LESS_TERMCAP_us=$'\E[01;36m'
 export LESS=-R
-
 autoload -U compinit colors zcalc
 compinit -d 2>&1 > /dev/null
 colors
 # <<<
 ### Various manjaro ZSH functions >>>
-
-# Set terminal window and tab/icon title
+# Set terminal window and tab/icon title >>>
 # usage: title short_tab_title [long_window_title]
-# >>>
 # See: http://www.faqs.org/docs/Linux-mini/Xterm-Title.html#ss3.1
 # Fully supports screen and probably most modern xterm and rxvt
 # (In screen, only short_tab_title is used)
@@ -594,14 +617,14 @@ function title {
 ZSH_THEME_TERM_TAB_TITLE_IDLE="%15<..<%~%<<" # 15 char left truncated PWD
 ZSH_THEME_TERM_TITLE_IDLE="%n@%m:%~"
 
-# Runs before showing the prompt
+# Runs before showing the prompt >>>
 function mzc_termsupport_precmd {
    [[ "${DISABLE_AUTO_TITLE:-}" == true ]] && return
    title $ZSH_THEME_TERM_TAB_TITLE_IDLE $ZSH_THEME_TERM_TITLE_IDLE
 }
+# <<<
 
-# Runs before executing the command
-# >>>
+# Runs before executing the command >>>
 function mzc_termsupport_preexec {
    [[ "${DISABLE_AUTO_TITLE:-}" == true ]] && return