T05: shell integration for zsh, bash, fish, PowerShell; installed at start

assets/shell-integration/zsh/.zshenv

@@ -0,0 +1,19 @@
+# ELYTerminal: restore ZDOTDIR, load the user's .zshenv, report folder and title.
+if [[ -n "${ELY_ZSH_ZDOTDIR+set}" ]]; then
+  ZDOTDIR=$ELY_ZSH_ZDOTDIR
+  builtin unset ELY_ZSH_ZDOTDIR
+else
+  builtin unset ZDOTDIR
+fi
+[[ -r "${ZDOTDIR:-$HOME}/.zshenv" ]] && builtin source "${ZDOTDIR:-$HOME}/.zshenv"
+if [[ -o interactive ]]; then
+  _ely_precmd() {
+    builtin printf '\e]7;file://%s\a\e]2;%s\a' "${PWD//\%/%25}" "${${PWD:t}:-/}"
+  }
+  _ely_preexec() {
+    builtin printf '\e]2;%s\a' "${1//[[:cntrl:]]/}"
+  }
+  builtin autoload -Uz add-zsh-hook
+  add-zsh-hook precmd _ely_precmd
+  add-zsh-hook preexec _ely_preexec
+fi