[zsh] open new shells in the last working directory

zsh/functions.zsh

@@ -102,3 +102,26 @@ sudoedit() {
 }
 alias sudoe="sudoedit"
 alias sue="sudoedit"
+
+# This idea was taken from <https://github.com/ohmyzsh/ohmyzsh/blob/706b2f3765d41bee2853b17724888d1a3f6f00d9/plugins/last-working-dir/last-working-dir.plugin.zsh>
+SYNC_WORKING_DIR_STORAGE="${ZSH_CACHE_DIR}/last-working-dir"
+
+autoload -Uz add-zsh-hook
+add-zsh-hook chpwd sync_working_dir_chpwd_hook
+sync_working_dir_chpwd_hook() {
+  if [[ "$ZSH_SUBSHELL" == 0 ]]; then
+    sync_working_dir_save
+  fi
+}
+
+sync_working_dir_save() {
+  pwd >| "$SYNC_WORKING_DIR_STORAGE"
+}
+
+sync_working_dir_load() {
+  local dir
+  if dir="$(<"$SYNC_WORKING_DIR_STORAGE")" 2>/dev/null && [[ -n "$dir" ]]; then
+    cd -- "$dir"
+  fi
+}
+alias cds="sync_working_dir_load"

zsh/zshrc

@@ -23,14 +23,17 @@ autoload -U colors && colors
   }
 
   _perf_timer_stop() {
+    # Record the stop time as precisely as possible even in the case of an error
+    local stop_time="$EPOCHREALTIME"
     local name="$1"
     if [[ -z "$name" ]]; then
       print >&2 "$0: usage: $0 <name>"
       return 1
     fi
-    local stop_time="$EPOCHREALTIME" start_time="${_perf_timers[$name]}"
+    local start_time="${_perf_timers[$name]}"
+    unset "_perf_timers[${(qq)name}]"
     local -i duration="$(( (stop_time - start_time) * 1000 ))"
-    print -- "$(print -P '%F{8}==>%f') ${name}: ${duration}ms"
+    print -r -- "$(print -P '%F{8}==>%f') ${name}: ${duration}ms"
   }
 
 # }}}
@@ -58,4 +61,10 @@ done
 
 _perf_timer_stop "total"
 
+if [[ -z "$DOTFILES_DISABLE_WELCOME" ]]; then
   welcome
+fi
+
+if [[ -z "$DOTFILES_SYNC_LAST_WORKING_DIR" ]]; then
+  sync_working_dir_load
+fi